Service/ Parts Manual Floating Air Select FSHW091 FSHW121 FSHW183 FSHW243 FSHW363 1 96621400_00 - 9,000 12,000 18,000 24,000 36,000 BTU BTU BTU BTU BTU Single Single Single Single Single Zone Zone Zone Zone Zone - 110V 110V 230V 230V 230V
TABLE OF CONTENTS 2 INTRODUCTION‑ 4 Important Safety Information‑ 4 Personal injury or death hazards‑ 6 Model identification guide‑ 7 Indoor Units‑ 8 Outdoor Units‑ 9 Remote Control‑ 9 SPECIFICATIONS‑ 10 Product Specifications‑ 10 Capacities and selection data‑ 14 9-12K Operation Characteristics curve‑ 18 18-24kK Operation Characteristics curve‑ 18 36K Operation Characteristics curve‑ 19 9-12K Capacity Variation Ratio According to Temperature‑ 20 18-24 K Capacity Variation Ratio According to T
TABLE OF CONTENTS Malfunction of IDU Fan Motor U8‑ 122 Malfunction of Communication E6 ‑ 124 Malfunction of Power Supply from Indoor to Outdoor Unit‑ 125 Malfunction of Detecting Plate (WIFI) JF‑ 126 Indoor fan does not rotate and there is no Feedback‑ 127 Temperature sensor malfunction‑ 128 Malfunction diagnosis of startup failure‑ 129 Diagnosis of losing synchronism for compressor ‑ 130 9-12k, 36k Diagnosis of overload and discharge malfunction‑ 131 18-24k Diagnosis of overload and discharge malf
INTRODUCTION Important Safety Information The information in this manual is intended for use by a qualified technician who is familiar with the safety procedures required for installation and repair, and who is equipped with the proper tools and test instruments required to service this product.
Important Safety Information INTRODUCTION CAUTION DO NOT OPERATE EQUIPMENT DURING ACTIVE STAGES OF CONSTRUCTION To ensure proper operation, Friedrich requires that all equipment is not operated during active construction phases. This includes active stages of completing framing, drywalling, spackling, sanding, painting, flooring, and moulding in the equipment’s designated conditioning space.
Personal injury or death hazards INTRODUCTION WARNING SAFETY FIRST Do not remove, disable or bypass this unit’s safety devices. Doing so may cause injuries, or death. AVERTISSEMENT Ne pas supprime, désactiver ou contourner cette l´unité des dispositifs de sécurité, faire vous risqueriez de provoquer le feu, les blessures ou la mort. ADVERTENCIA No eliminar, desactivar o pasar por alto los dispositivos de seguridad de la unidad. Si lo hace podría producirse fuego, lesiones o muerte.
INTRODUCTION Model identification guide MODEL IDENTIFICATION GUIDE Model Type: FR- Floating Air Premier FP - Floating Air Pro FS- F loating Air Select Function : HS – H ea t Pump Single HM – Heat Pump Multi HF – H eat Pump F lex Single and Multizon e FP HS Approximate Cooling BTU/HR Voltag e 1- 115 Volts 3- 230 Volts W 09 A 1 A - A Application : W- Wallmounted D- Ducted (Insider ) C- Cassette R- Remo te Condenser Model Introductory Chara cter: A- 2019 B- 202 0 C- 202 1 D- 202 2 Marketing Suffix : L
INTRODUCTION FSHSW09A1A FSHSW12A1A FSHSW18A3A FSHSW24A3A FSHSW36A3A Figure 102 Indoor Units 8
INTRODUCTION FSHSR09A1A FSHSR12A1A FSHSR18A3A FSHSR24A3A FSHSR36A3A Figure 103 Outdoor Units FSHSW09A1A FSHSW12A1A FSHSW18A3A FSHSW24A3A FSHSW36A3A Figure 104 Remote Control 9
Friedrich Indoor Model Number Unit SPECIFICATIONS FSHSW09A1A FSHSW12A1A FSHSW18A3A FSHSW24A3A FSHSW36A3A Friedrich Outdoor Model Number FSHSR09A1A FSHSR12A1A FSHSR18A3A FSHSR24A3A FSHSR36A3A Friedrich Indoor UPC code 724587438710 724587438727 724587438734 724587438741 724587438758 Friedrich Outdoor UPC code 724587438765 724587438772 724587438789 724587438796 724587438802 Product Code CB425008200 CB425007900 CB425007400 CB425007700 CB432008100 Rated Voltage V 115 115 208/23
SPECIFICATIONS Friedrich Indoor Model Number Unit Friedrich Outdoor Model Number FSHSW09A1A FSHSW12A1A FSHSW18A3A FSHSW24A3A FSHSW36A3A FSHSR09A1A FSHSR12A1A FSHSR18A3A FSHSR24A3A FSHSR36A3A Dehumidifying Volume L/h 0.8 1.4 1.8 2 3.5 Dehumidifying Volume PINT/D 1.69 2.96 3.8 4.23 7.
SPECIFICATIONS Friedrich Indoor Model Number Unit FSHSW09A1A FSHSW12A1A FSHSW18A3A FSHSW24A3A FSHSW36A3A FSHSR09A1A FSHSR12A1A FSHSR18A3A FSHSR24A3A FSHSR36A3A Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO.,LTD ZHUHAI LANDA COMPRESSOR CO.,LTD ZHUHAI LANDA COMPRESSOR CO.,LTD ZHUHAI LANDA COMPRESSOR CO.,LTD ZHUHAI LANDA COMPRESSOR CO.
SPECIFICATIONS Friedrich Indoor Model Number Unit FSHSW09A1A FSHSW12A1A FSHSW18A3A FSHSW24A3A FSHSW36A3A FSHSR09A1A FSHSR12A1A FSHSR18A3A FSHSR24A3A FSHSR36A3A -4~75 -4~75 -13～75 -13～75 -4～75 Electron expansion Electron expansion Electron expansion Electron expansion Electron expansion valve valve valve valve valve Defrosting Method Automatic Defrosting Automatic Defrosting Automatic Defrosting / Automatic Defrosting Climate Type T1 T1 T1 T1 T1 Climate Zone Temperate
SPECIFICATIONS Capacities anddata selection data Capacities and selection Capacity characteristic charts The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. This data is obtained with Free-Spin of the Condenser and not in a testing mode Conditions: 1- Pipe length / height difference : 25 ft. (7.6m) / 0 ft.
SPECIFICATIONS Capacities and selection data Cooling Template Indoor units(Btu) FSHSW09A1A Heating Template Indoor units(Btu) FSHSW09A1A Cooling Template Indoor units(Btu) FSHSW12A1A Heating Template Indoor units(Btu) FSHSW12A1A Outdoor Air Temp. (°F DB) 14 23 32 41 50 59 67 77 87 95 104 115 64 / 54 TC SHC kBtu/h 3.83 4.19 4.37 4.91 5.45 5.90 6.08 7.97 8.42 7.61 6.66 6.300 2.81 3.10 3.25 3.68 4.11 4.48 4.65 6.13 6.52 5.93 5.23 4.
SPECIFICATIONS Capacities and selection data Cooling Template Indoor units(Btu) FSHSW18A3A Heating Template Indoor units(Btu) FSHSW18A3A Cooling Template Indoor units(Btu) FSHSW24A3A Heating Template Indoor units(Btu) FSHSW24A3A Outdoor Air Temp. (°F DB) 14 23 32 41 50 59 67 77 87 95 104 115 64 / 54 TC SHC kBtu/h 9.82 10.85 12.03 12.52 13.00 14.53 17.00 16.23 15.02 14.31 14.00 13.52 6.23 6.88 8.86 9.03 9.38 10.53 12.12 11.65 11.08 10.56 10.02 10.
Capacities and selection data Cooling Template Indoor units(Btu) FSHSW36A3A Heating Template Indoor units(Btu) FSHSW36A3A 17 Outdoor Air Temp. (°F DB) 14 23 32 41 50 59 67 77 87 95 104 115 64 / 54 TC SHC kBtu/h 11.40 12.80 13.80 14.80 16.50 17.50 18.80 22.80 24.20 20.50 19.80 16.10 Outdoor Air °F DB °F WB -15 -5 5 10 14 23 32 41 47 50 59 68 75 -17 -7 3 8 12 19 28 37 43 47 50 59 65 8.40 9.50 10.30 11.10 12.50 13.30 14.40 17.60 18.80 16.00 15.50 12.70 PI kW 2.01 2.12 2.26 2.37 2.48 2.66 2.77 2.
SPECIFICATIONS Heating Cooling • Conditions Indoor : DB80˚F/WB66.9˚F Outdoor : DB95˚F Indoor air flow : High Pipe lengt : 24.6ft 10 9 Current (A) 8 7 11 220V 9 8 6 230V 5 4 3 230V 6 5 240V 4 • Conditions Indoor : DB70˚F/WB60˚F Outdoor : DB19.94˚F/WB19.04˚F Indoor air flow : High Pipe lengt : 24.
SPECIFICATIONS 24K Heating 14 14 12 12 10 10 Current(A) Current(A) Cooling 8 6 4 0 0 20 40 60 80 100 6 Condition Indoor:DB 70°F Indoor air flow: Super High Pipe length:24 39/64ft 4 Condition Indoor:DB 80°F WB66°F Indoor air flow: Super High Pipe length:24 39/64ft 2 8 2 0 120 Compressor Frequency(Hz) 0 20 40 80 Compressor Frequency(Hz) Figure 205 36K Operation Characteristics curve 19 60 100 120
SPECIFICATIONS Cooling Heating 105 110 100 100 95 90 85 80 75 70 Conditions Indoor:DB80°F/WB66.9°F Outdoor:DB95°F Indoor air flow:Super High Pipe length:24.6ft 65 60 55 50 89.6 91.4 93.2 95 96.8 Capacity ratio (%) Capacity ratio (%) 90 80 70 Conditions Indoor:DB70°F Outdoor:DB19.94°F/WB19.04°F Indoor air flow:Super High Pipe length:24.6ft 60 50 40 -4 98.6 100.4 102.2 104 105.8 107.6 109.4 5 14 Outdoor temp.(°F) 23 32 41 50 Outdoor temp.
SPECIFICATIONS Cooling Heating 105 110 100 100 Capacity ratio (%) Capacity ratio (%) 95 90 85 80 75 70 Conditions Indoor: DB 80°F WB66 °F Indoor air flow: Super High Pipe length : 24 39/64ft 65 60 55 50 90 95 100 105 90 80 70 Conditions Indoor:DB 70°F Indoor air flow:Super High Pipe length: 24 39/64ft 60 50 40 -4 110 5 Outdoor temp. (˚F) 14 23 32 41 50 Outdoor temp.
SPECIFICATIONS Indoor side noise Outdoor side noise 60 50 58 Heating 56 40 Noise dB(A) Noise/dB(A) 24K 18K 30 54 Cooling 52 50 48 20 L M H 46 20 SH 30 40 50 60 70 80 90 100 Compressor frequency(Hz) Indoor fan motor rating speed Figure 210 18-24K Noise Curve Indoor side noise Outdoor side noise 60 80 36K 70 50 Noise dB(A) Noise/dB(A) 75 30K 40 36K 65 60 30K 55 50 30 L M H SH 30 40 50 60 70 80 Compressor frequency(Hz) Indoor fan motor rating speed Fi
SPECIFICATIONS Rated cooling connecting indoor and (DB/WB) Indoor Outdoor 80/67 95/75 Model 9k Pressure of gas pipe con‑ necting indoor and outdoor unit Inlet and outlet pipe tempera‑ ture of heat exchanger PSI T1 (°F) T2 (°F) 130.44~144.93 in:46.4~51.8 in:167~181.4 out:51.8~57.2 out:98.6~118.4 in:46.4~51.8 in:167~181.4 Super High High 75 out:51.8~57.2 out:98.6~118.4 Super High High 87 46.8 to 52.8 127 to 96.
SPECIFICATIONS Unit: “ (inches) W D H 09K 12K 6 5/8 18 1/4 6 1/4 4 7/8 1 3/8 2 1/8 2 1/8 Models 09K 12K W 31 1/8 33 1/4 H 10 13/16 11 3/8 Figure 224 9-12K Indoor Unit Dimensions 24 1 3/8 3 1/4 4 15/16 3 9/16 5 7/8 7 1/16 Φ2 3/16 Φ2 3/16 Φ2 3/16 Φ2 3/16 21 5/16 D 7 7/8 8 1/4
SPECIFICATIONS Unit: “ (inches) W H D 4 27 7 3/16 18K Φ2 3/16 Φ2 3/16 1 1/2 7 1/2 24K 5 1/2 8 1/8 27 7 5/16 Φ2 3/4 Φ2 3/4 1 11/16 6 Models 18K 24K 3 1/8 W 38 3/16 42 7/16 H 11 13/16 12 13/16 D 8 13/16 9 11/16 Figure 225 18-24K Indoor Unit Dimensions 25
SPECIFICATIONS 12 53/64 Unit: “ (inches) 53 9/64 1 37/64 13 25/32 10 29 3/8 10 Φ2 3/4 Φ2 3/4 11 19/32 3 1/2 Figure 226 36K indoor Unit Dimensions 30 10 21 1/4 Unit: “ (inches) 12 5/8 33 3/8 21 1/4 11 1/4 Figure 227 26 9-12K Outdoor Unit Dimensions
SPECIFICATIONS Unit: “ (inches) 13 3/8 27 9/16 35 38 15 5/8 14 5/16 22 Figure 228 18-24K Outdoor Unit Dimensions Unit: “ (inches) 36 7/32 31 7/64 14 37/64 39 1/2 15 9/16 24 Figure 229 27 36K Outdoor Unit Dimensions 16 13/16
OPERATION 69700657 / 69700623 ON/OFF button 2 MODE button 3 FAN button 4 SWING button 5 TURBO button 5 6 ▲/ 6 7 SLEEP button 8 8 TEMP button 10 9 WiFi button 3 2 4 7 9 11 12 button ▲ 1 1 10 LIGHT button 11 CLOCK button 12 TIMER ON / TIMER OFF button Introduction for icons on display screen Set fan speed I feel Send signal Turbo mode Operation mode Auto mode Cool mode 8 heating function Set temperature Dry mode Fan mode WiFi have this function while some { models do n
OPERATION Remote Control Description 1. ON/OFF button Press this button to turn on the unit. Press this button again to turn off the unit. 2. MODE button Press this button to select your required operation mode. AUTO COOL DRY FAN HEAT ● When selecting auto mode, air conditioner will operate automatically according to ex-factory setting. Set temperature can't be adjusted and will not be displayed as well. Press "FAN" button can adjust fan speed. Press "SWING" button can adjust fan blowing angle.
Remote Control Description button " button once increase or decrease set temperature 1°F. Holding "▲" or " ▲ (Temperature can't be adjusted under auto mode) ● When setting TIMER ON, TIMER OFF or CLOCK, press "▲" or " buttons) " button, 2s later, set temperature on remote " button to adjust time. (Refer to CLOCK, TIMER ON, TIMER OFF ▲ ▲ ● Press "▲" or " ▲ 6. ▲/ OPERATION 7. SLEEP button Under COOL, HEAT mode, press this button to start up sleep function.
Remote Control Description OPERATION Note: ● Under on and off status, you can set TIMER OFF or TIMER ON simultaneously. ● Before setting TIMER ON or TIMER OFF, please adjust the clock time. ● After starting up TIMER ON or TIMER OFF, set the constant circulating valid. After that, air conditioner will be turned on or turned off according to setting time. ON/OFF button has no effect on setting. If you Don't need this function, please use remote controller to cancel it.
Remote Control Description OPERATION Operation guide 1. After putting through the power, press "ON/OFF" button on remote controller to turn on the air conditioner. 2. Press "MODE" button to select your required mode: AUTO, COOL, DRY, FAN, HEAT. 3. Press "▲" or " " button to set your required temperature. (Temperature can't be adjusted under auto mode). 4. Press "FAN" button to set your required fan speed: auto, low, medium and high speed. 5. Press "SWING" button to select fan blowing angle.
9-24k Sequence of Operation OPERATION 1.Basic function of system (1)Cooling mode (1) Under this mode, fan and swing operates at setting status. Temperature setting range is 60.8~86.0OF. (2) During malfunction of outdoor unit or the unit is stopped because of protection, indoor unit keeps original operation status. (2)Drying mode (1) Under this mode, fan operates at low speed and swing operates at setting status. Temperature setting range is 60.8~86.0OF.
9-24k Sequence of Operation OPERATION (8)I feel control mode After controller received I feel control signal and ambient temperature sent by remote controller, controller will work according to the ambient temperature sent by remote controller. (9)Compulsory defrosting function (1) Start up compulsory defrosting function Under ON status, set heating mode with remote controller and adjust the temperature to 60.8OF.
9-24k Sequence of Operation OPERATION Outdoor Units 1. Input Parameter Compensation and Calibration (1) Check the ambient temperature compensation function Indoor ambient temperature compensation function. a. In cooling mode, the indoor ambient temperature participating in computing control = (Tindoor ambient temperature – ⊿ Tcooling indoor ambient temperature compensation) b.
9-24k Sequence of Operation OPERATION 3. Special Functions Defrosting Control ① Conditions for starting defrosting the defrosting operation will start. ② ③ Toutdoor pipe temperature ≥ (Toutdoor ambient temperature – [T ]; ④ The continuous running time of defrosting reaches [tmax. defrosting time]. 4.
9-24k Sequence of Operation OPERATION 1. Starting estimation: After the compressor stopped working for 180s, if Tinner pipe> [Tfrozen-preventing frequency-limited temperature (the temperature of hysteresis is 35.6ºF )], the machine is only allowed to start for operating, otherwise it should not be started, and should be stopped to treat according to the frozenpreventing protection: Clear the trouble under the mode of power turn-off / heating, and the protection times are not counted. 2.
9-24k Sequence of Operation OPERATION 1. Frequency limited If [Theating overload frequency-limited temperature]≤Tinner pipe <[Theating overload frequency reducing temperature at normal speed] , you should limit the frequency raising of compressor. 2.
9-24k Sequence of Operation OPERATION (6)Voltage sag protection After start the compressor, if the time of DC link Voltage sag [USagging protection voltage] is measured to be less than t Voltage sag protection time , the machine should be stop at once, hand on the voltage sag trouble, reboot automatically after 30 minutes. (7)Communication fault When you have not received any correct signal from the inner machine in three minutes, the machine will stop for communication fault.
9-24k Sequence of Operation OPERATION (12) Starting-up Failure Protection for Compressor Stop the compressor after staring fails, then restart it after 20s if the fault doesn't show.If starting fails 3 consecutive times, it shall be reported as Starting-up Failure, and then restart up it after 3 min. When it still not be able to operate through carry out the above process for 5 times, it is available if you press ON/OFF. The compressor should be cleared after it runs 2 min.
9-24k Sequence of Operation OPERATION 6. Electric Heating Function of Chassis (1) When Toutdoor amb.≤32ºF , the electric heating of chassis will operate; (2) When Toutdoor amb.>35.6ºF , the electric heating of chassis will stop operation; (3)When 32ºF
OPERATION 36k Sequence of Operation 1. Temperature Parameters Indoor preset temperature (Tpreset) Indoor ambient temperature (Tamb.) 2. Basic Functions Once energized, in no case should the compressor be restarted within less than 3 minutes.
36k Sequence of Operation OPERATION When duration of successive heating operation is more than 45 minutes, or accumulated heating time more than 90 minutes, and one of the following conditions is reached, the unit will enter the defrost mode after 3 minutes. a. T outdoor amb. ≥ 41°F, T outdoor pipe ≤ 28.4°F; b. 28.4°F ≤ T outdoor amb. c. 23.4°F < T outdoor amb. ≤ 28.4°F, T outdoor pipe ≤ 17.6°F; d. 14°F < T outdoor amb. < 23°F, T outdoor pipe- T compensation ≤ T outdoor amb.-5.4°F; e. T outdoor amb.
36k Sequence of Operation OPERATION c. If Ttube ≥ 136°F, the compressor will run at reduced frequency. d. If Ttube ≥ 144°F, the compressor will stop and the indoor fan will run at preset speed. 2) Heating overload a. If Ttube ≤ 126°F, the unit will return to its original operation state. b. If Ttube ≥ 131°F, frequency rise is not allowed. c. If Ttube ≥ 136°F, the compressor will run at reduced frequency. d. If Ttube ≥ 144°F,the compressor will stop and the indoor fan will blow residue heat and then stop.
OPERATION Outdoor unit Indoor unit Gas pipe side Valve 4-Way valve Discharge Heat exchanger (evaporator) Suction Accumlator Compressor Heat exchanger (condenser) Liquid pipe side Valve Strainer Electron expansion valve Strainer COOLING HEATING Figure 302 9-12K Refrigerant System Diagram Outdoor unit Indoor unit Gas pipe side Valve 4-Way valve Discharge Heat exchanger (evaporator) Accumlator Suction Compressor Heat exchanger (condenser) Liquid pipe side Valve Strainer Electron Capillary
OPERATION Gas pipe side Valve 4-Way valve Discharge Heat exchanger (evaporator) Suction Accumlator Compressor Heat exchanger (condenser) Liquid pipe side Valve Strainer Electron expansion valve Liquid pipe:1/4 inch Gas pipe:5/8 inch Figure 304 46 36K Refrigerant System Diagram Strainer COOLING HEATING
INSTALLATION 47
Installation Tools 48 INSTALLATION
INSTALLATION At least 5 inches(”) Space to the ceiling Installation Dimension Diagram Space to the wall Space to the wall At least 4 inches(”) At least 78 inches(”) str At l eas ob the ace At l to the eas t 12 At least 24 inches(”) Sp Space to the obstruction Sp ace to t 60 uc tio n inch es( ”) S p a c e to the flo o r At least 4 inches(”) S ll inch o t ce pa wa ion ct ru At eo th st lea t bs ) s(” che in 12 es(” ) Drainage pipe ace Sp 49 t he ot o cti
INSTALLATION Installation Work Flow Start installation Preparation before installation Read the requirements for electric connection select installation location Prepare tools Select indoor unit installation location Select outdoor unit installation location Install the support of outdoor unit (select it according to the actual situation) Install wall-mounting frame, drill wall holes Connect pipes of indoor unit and drainage pipe Fix outdoor unit Connect wires of indoor unit Install drainage jo
INSTALLATION Installation Parts Checklist 1. Indoor Unit 2. Outdoor Unit 3. Connection Pipe 4. Drainage pipe 5. Wall Mounting Frame 6. Connecting Cable (power cord) 7. Wall Pipe 8. Sealing gim 9. Wrapping Tape 10. Outdoor unit support 11. Fixing screw 12. Drainage plug (cooling and heating unit) 13. Owner’s Manual 14. Remote Control Selection of Installation Location Basic Requirement Installing the unit in the following places may cause malfunction.
INSTALLATION Outdoor Unit 1. Select a location where the noise and outflow air emitted by the outdoor unit will not affect neighborhood. 2. The location should be well ventilated and dry, in which the outdoor unit won’t be exposed directly to sunlight or strong wind. 3. The location should be able to withstand the weight of outdoor unit. 4. Make sure that the installation follows the requirement of installation dimension diagram. 5.
INSTALLATION Installation of Indoor Unit Install Wall Mounting Frame 1. Hang the wall-mounting frame on the wall; adjust it in horizontal position with the level meter and then point out the screw fixing holes on the wall. 2. Drill the screw fixing holes on the wall with impact drill (the specification of drill head should be the same as the plastic expansion particle) and then fill the plastic expansion particles in the holes. 3. Fix the wall-mounting frame on the wall with tapping screws (ST4.
INSTALLATION Installation of Indoor Unit Connect the Pipe of the Indoor Unit 1. Aim the pipe joint at the corresponding bellmouth.(As show in Fig.5) 2. Pretightening the union nut with hand. 3. Adjust the torque force by referring to Figure 22a. Place the open-end wrench on the pipe joint and place the torque wrench on the union nut. Tighten the union nut with torque wrench.(As show in Fig.6) 4. Wrap the indoor pipe and joint of connection pipe with insulating pipe, and then wrap it with tape.
INSTALLATION Installation of Indoor Unit Connect Wire of Indoor Unit 1. Open the panel, remove the screw on the wiring cover and then take down the cover.(As show in Fig.11) 2. Fix the wire crossing board on connection wire sleeve at the bottom case; let the connection wire sleeve go through the wire crossing hole at the back of indoor unit, and then pull it out from the front.(As show in Fig.12) Screw Panel connection wire sleeve Fig.11 Fig.12 Wiring cover 3.
INSTALLATION Installation of Indoor Unit Hang the Indoor Unit 1. Put the bound pipes in the wall pipe and then make them pass through the wall hole. 2. Hang the indoor unit on the wall-mounting frame. 3. Stuff the gap between pipes and wall hole with sealing gum. 4. Fix the wall pipe. (As show in Fig.16) 5. Check if the indoor unit is installed firmly and closed to the wall.(As show in Fig.17) NOTE Do not bend the drain hose too excessively in order to prevent blocking.
INSTALLATION Installation of the Outdoor Unit Install the Outdoor Support 1. Select installation location according to the house structure. 2. Fix the support of outdoor unit on the selected location with expansion screws. Notes 1. Take sufficient protective measures when installing the outdoor unit. 2. Make sure the support can withstand at least four times the unit weight. 3. The outdoor unit should be installed at least 1 1/6inch above the floor in order to install drain joint.(As show in Fig.
Installation of the Outdoor Unit INSTALLATION Connect Outdoor Electric Wire 1. Put power connection wire and power wire through the wire--passing hole. 2. Remove the wire clip; connect the power connection wire and power wire to the wiring terminal; fix them with screws.(As show in Fig.23) 3. Fix the power connection wire and power wire with wire clip. 4. Install the cable cross plate sub-assy. Notes 1. After tightening the screw, pull the power cord slightly to check if it is firm. 2.
Installation of the Outdoor Unit INSTALLATION Neaten the Pipes 1. The pipes should be placed along the wall, bent reasonably and hidden possibly. Min. semidiameter of bending the pipe is 4 inch. 2. If the outdoor unit is higher than the wall hole, you must set a U-shaped curve in the pipe before pipe goes into the room, in order to prevent rain from getting into the room. (As show in Fig.24) Notes: 1. The through-wall height of drain hose shouldn’t be higher than the outlet pipe hole of indoor unit.
INSTALLATION Leak Check, Evacuation, and Charging (Triple Evacuation) Friedrich requires all installations are Leak Checked and Evacuated in accordance to the “triple evacuation” process. This process pro‑ motes a dry tight refrigeration system before opening the service valves. It recommended that a single port refrigeration manifold and hoses rated over 800psi be used.
INSTALLATION Leak Check, Evacuation, and Charging (Triple Evacuation) EVACUATE BREAK VACUUM WITH DRY NITROGEN WAIT EVACUATE BREAK VACUUM WITH DRY NITROGEN WAIT EVACUATE CHECK FOR TIGHT, DRY SYSTEM (IF IT HOLDS A VACUUM) CHARGE SYSTEM 61
Checklist and Operation Test Check Unit following Installation No.
REMOVAL Indoor Unit Step Procedure Front panel the groove on the front panel. Front case respectively. Groove 2. Remove horizontal louver Push out the axile bush on horizontal louver. Bend the horizontal louver with hand and then separate the horizontal louver from the crankshaft of step motor to remove it. Location of step motor Horizontal louver Axile bush 3. Remove panel A1 display a (1)A1 display: Screw off the 2 screws that are locking the display board.
REMOVAL Indoor Unit Step Procedure 4. Remove electric box cover 2 and detecting plate(WIFI) Remove the screws on the electric box cover 2 and detecting plate(WIFI), then remove the electric box cover 2 and detecting plate(WIFI). Detecting plate(WIFI) 2 Note:the position of detection board(WIFI) may be different for different models. 5. Remove front case sub-assy Screws a Note: 1.Open the screw caps before removing the screws around the air outlet. 2.
REMOVAL Indoor Unit Steps Procedure 7. Remove vertical louver Loosen the connection clasps between vertical louver and bottom case to remove vertical louver. Bottom case Vertical louver Vertical louver Clasps 8. Remove electric box assy a Screw Clasps Loosen the connection clasps between shield cover of electric box sub-assy and electric box, and then remove the shield cover of electric box sub-assy. Shield cover of electric box sub-assy Grounding screw b ① Take off the water retaining sheet.
REMOVAL Indoor Unit Steps Procedure Instruction: Some wiring terminal of this product is with lock catch and other devices. Circlip The pulling method is as below: Holder ① Remove the soft sheath for some terminals terminals. ② Pull out the holder for some terminals at Connector Soft sheath terminal), hold the connector and then pull the terminal. 9.
REMOVAL Indoor Unit Steps a Procedure Remove the screws fixing motor clamp and then remove the motor clamp. Screws Motor clamp b Remove the screws at the connection place of cross flow blade and motor; lift the motor and cross flow blade upwards to remove them. Remove the bearing holder sub-assy. Screw Holder sub-assy Motor then remove the step motor.
Outdoor Unit REMOVAL Steps Procedure 1.Remove cable cross plate sub-assy and valve cover cable cross plate sub-assy Remove the screws fixing cable cross plate sub-assy and then remove the cable cross plate sub-assy. Remove the screws fixing valve cover and then remove the valve cover. valve cover 2.Remove top cover top cover Remove connection screws connecting the top cover plate with the front panel and the right side plate,and then remove the top cover. 3.
Outdoor Unit REMOVAL Steps Procedure 4.Remove front panel Remove connection screws connecting the front panel front panel with the chassis and the motor support, and then remove the front panel. 5.Remove right side plate Remove connection screws connecting the right side plate with the valve support and the electric box. Then remove the right side plate. 6.
Outdoor Unit REMOVAL Steps Procedure 7.Remove motor and motor support motor support tor Pull out the lead-out wire and remove themotor. Remove the 2 tapping screws re-move it. motor 8.Remove electric box assy electric box assy Remove the 2 screws fixing the cover of elec-tric box. Lift to remove the cover. Loosen thewire and disconnect the terminal. Lift to re-move the electric box assy. 9.Remove clapboard sub-assy Loosen the screws of the clapboard subassy .
REMOVAL Outdoor Unit Steps Procedure 10.Remove 4-way valve assy Unscrew the fastening nut of the 4-way 4-way valve assy Valve Assy coil and remove the coil. Wrap the 4-way Valve Assy with wet cotton and unsolder the 4 weld spots connecting the 4-way Valve Assy to take it out (Note: Refrigerant shouldbe discharged firstly.) Welding process should be as quickly as possible and keep wrapping cotton wet all the time. Be sure not to burn out the lead-out wire of compressor. 11.
Display 72 WIRED CONTROLLER
WIRED CONTROLLER Display Wired Controller FSWC1 Owner's Manual 1.2 Instructions for Related Displayed Symbols No.
Wired Controller FSWC1 Owner's Manual Buttons 2 Buttons WIRED CONTROLLER 2.1 Button Graphics 1 4 2 5 10 6 7 8 3 9 Fig. 2 Button graphics 2.2 Function Instructions of Buttons No. Button name 1 FAN 2 ∧ 6 ∨ 3 ON/OFF/BACK 4 SWING 5 ＜ 8 ＞ 7 MENU/OK 9 MODE 10 Remote control receiver window Button Function Set low speed, medium speed,high speed, turbo and auto speed.
Operation Instructions WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual Main menu User function menu Fresh air function setting Sleep function setting Health function setting I-DEMAND function setting Absence function setting Memory function setting Fixed-angle swing function setting Save function setting Auxiliary heat function setting Dry function setting Quiet function setting Air function setting Fahrenheit Temperature Setting Timer setting menu Once Daily Weekly timer Two week timer Countdown ti
WIRED CONTROLLER Controller FSWC1 Owner's Manual Operation Wired Instructions 3.2 On/Off When the wired control is on main page, press ON/OFF button to turn on the unit. Press ON/OFF button again to turn off the unit. The interfaces of On/Off status are shown in Fig. 4 and Fig. 5. MON MON SET 26 SET 26 C Fig. 4 Off interface C AUTO Fig. 5 On interface 3.
WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual Operation Instructions 3.6 Swing Setting In unit on status, press SWING button for swing setting. Two swing modes are available: fixed-angle swing and simple swing. When fixed-angle swing mode is set, swing operation is as follows: In unit on status, press SWING button to select up&down swing . Up&down swing angle will be adjusted circularly as below: → → → → → → closed → Select up&down swing and left&right swing through “＜” or “＞” button.
WIRED CONTROLLER Operation Instructions Wired Controller FSWC1 Owner's Manual MON MON SET 26 SET C 26 AUTO C Press SWING button to turn on or turn off simple up&down swing and fixed-angle up&down swing. Press SWING button to enter swing setting status. MON MON SET SET 26 C 26 AUTO Press SWING button to turn on or turn off simple left&right swing and fixed-angle left&right swing. MON C AUTO After finishing setting, setting status will be exited automatically after 5s. Fig.
WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual Operation Instructions 3.7 Functions Setting Press MENU/OK button on main page to enter main menu page. Press “∧” or “∨” or “＜” or “＞” button to select the function setting symbol. Then press MENU/OK button to enter user function setting page. Press “∧” or “∨” button to select specific function item. Press “＜” or “＞” button to turn on or turn off this function. If the function item cann’t be set, it will displays with gray color.
Operation Instructions WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual 3.7.1 Fresh Air Function Setting After entering user function page, press “ function and press “ ” or “ ” button to select fresh air ” or “ ” button to turn on or turn off air function. Press MENU button to adjust the mode of fresh air. After entering fresh air mode setting, press “ ” or “ ” button to adjust the mode in the range of 1~10. After setting, press MENU button to save the setting. 3.7.
WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual Operation Instructions 3.7.3 Health Function Setting After entering user function page, press “∧” or “∨” button to select health function and press “＜” or “＞” button to turn on or turn off health function with auto saving. 3.7.4 I-DEMAND Function Setting After entering user function page, press “∧” or “∨” button to select IDEMAND function option and press “ ＜” or “＞” button to turn on or turn off this function with auto saving.
Operation Instructions WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual 3.7.8 Save Function Setting After entering user function page, press “∧” or “∨” button to select save function and press “＜” or “＞” button to turn on or turn off save function. Press MENU button to enter save function setting page. After entering save function setting page, press “＜” or “＞” button to select cooling or heating limitation temperature.
WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual Operation Instructions 3.7.13 Air Function Setting After entering user function page, press “∧” or “∨” button to select Air Function and press “＜” or “＞” button to turn on or turn off air function. Press MENU button to adjust the mode of Air Function . After entering Air Function mode setting, press “∧” or “∨” button to adjust the mode in the range of 1~2. After setting, press MENU button to save the setting.
WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual Operation Instructions 3.9 Current Error View When error occurs in the unit, error symbol will be displayed on the main page of wired controller to indicate that the unit is with error. In this case, you can enter error view page to view the current error. Press MENU button to enter the menu and select the function symbol to be viewed. Then press MENU button to enter view function page. Press “∧” or “∨” button to select error information.
WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual Operation Instructions Error Return air temperature sensor open/ short circuited evaporator temperature sensor open/ short circuited Indoor unit liquid valve temperature sensor open/short circuited Indoor gas valve temperature sensor open/ short circuited IPM temperature sensor open/short circuited Outdoor ambient temperature sensor open/ short circuited Outdoor unit condenser mid-tube temperature sensor open/short circuited Discharge temperature senso
WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual Operation Instructions Error Communication error between IDU and grid connection Communication error between ODU and grid connection Main error at grid connection side Error Code Error Code Error Ln IDU network address error y3 LM Ip address allocation overflow yb y2 3.
WIRED CONTROLLER Controller FSWC1 Owner's Manual OperationWired Instructions ONCE 12:46 ON Fig. 12 Setting page of one time clock timer Note: If this timer function is turned on, when the unit is turned on or turned off, this timer function will be cancelled automatically. 3.10.2 Daily Timer In daily timer, user can set eight segments of timer individually. The individual segment will be valid only when it is turned on.
WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual Operation Instructions After entering weekly timer setting page, press “＜” or “＞” button to select the day to be set. Then press MENU button to enter timer programming of that day. Press “＜” or “＞” button to select the item to be set. Press “∧” or “∨” button to adjust the content. Press MENU button to save setting. Please refer to Fig. 14.
WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual Operation Instructions 3.10.4 Two Week Timer The user can set the everyday timer content for two weeks. In each day, the user can set eight segments of timer content. The unit will execute corresponding timer setting in two weeks. In timer function setting page, press “∧” or “∨” button to select two week timer setting and then press MENU button to enter two week timer menu page.
Operation Instructions WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual After entering timer on setting page, press “ ∧” or “ ∨” button to increases or decreases timer time by 0.5h. Press MENU button to save setting. Press BACK button to return to the last page. Please refer to Fig. 16. TIMER ON 0.5 HOURS ON Fig. 16 Countdown timer on After entering timer off setting page, press “ ∧” or “ ∨” button to increases or decreases timer time by 0.5h. Press MENU button to save setting.
WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual Operation Instructions This timer function will be carried out for only once and then it will be cancelled automatically. Note: If this timer function is turned on, when the unit is turned on or turned off, this timer function will be cancelled automatically. 3.11 Clock Setting 3.11.1 Time Format Setting The user can set the time format in 12-hour system or 24-hour system.
Operation Instructions WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual CLOCK CLOCK FORMAT CLOCK SEARCH TIMER FUNCTION CLOCK 12 24 LOCK CLOCK TIME : 12 :05 DATE : 2014/10/08 3.12 Lock Setting Fig. 19 Clock setting Select lock symbol in menu page and then press MENU button to enter lock setting page. Press “∧” or “∨” button to select the item to be locked and then press “＜” or “＞” button to lock or unlock. Please refer to Fig. 20.
WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual Installation Instructions Fig. 20 Lock setting 4 Installation Instructions 4.1 Parts and Dimension of Wired Controller Fig. 21 Dimension of wired controller 1 2 unit：mm 3 Fig. 22 Parts of wired controller No.
Installation Instructions WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual 4.2 Installation Requirements (1) Prohibit installing the wired controller at wet places. (2) Prohibit installing the wired controller at the places with direct sunshine. (3) Prohibit installing the wired controller at the place near high temperature objects or water-splashing places. 4.3 Installation Methods CN4 CN3 CN2 CN4 CN3 CN2 CN2 terminal is used for connecting indoor unit and it must be connected.
WIRED CONTROLLER Installation Instructions Fig. 23 Installation diagram for wired controller Fig. 23 is the simple installation process of wired controller; please pay attention to the following items: (1) Before installation, please cut off the power for indoor unit; (2) Pull out the four-core twisted pair line from the installation holes and then let it go Wired Controller FSWC1 Owner's Manual through the rectangular hole behind the soleplate of the wired controller.
Installation Instructions WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual Only use the connection wire (fig. B) in the packing box of wired controller. Connect the terminal ② to the terminal ④ of patch cord which has been installed on the air conditioner; insert terminal ① to needle stand CN2 of wired controller. If there’s protection terminal ③, pull out the protection terminal at first and then install it. Fig.
WIRED CONTROLLER Wired Controller FSWC1 Owner's Manual Installation Instructions 4.4 Disassembly CN4 CN3 CN2 CN4 CN3 CN2 Fig.
R-410A SEALED SYSTEM REPAIR Service Valves Appearance 2-way Valve (Liquid Side) Hexagonal wrench (4mm) Flare nut Open position Closed position To piping connection 1.
Pumping Down R-410A SEALED SYSTEM REPAIR Liquid side Indoor unit 2-Way valve Open Outdoor unit Gas side 3-Way valve Closed Lo CLOSE CLOSE Purge the air Fig. 505 – Do this quickly so that the gauge ends up indicating 0-15 PSI. – Remove the valve stem caps and confirm that the valve stems are in the raised position. – Be sure to use a hexagonal wrench to operate the valve stems. – Tighten the service port nut. – Be sure to check for gas leakage.
R-410A SEALED SYSTEM REPAIR Gas Charging (After Repair) Liquid side Indoor unit 3-Way valve Outdoor unit Open Gas side 3-Way valve Open Lo OPEN CLOSE Fig. 506 – Connect the charge hose which you dis-connected from the vacuum pump to the valve at the bottom of the cylinder. – If you are using a gas cylinder, also use a scale and reverse the cylinder so that the system can be charged with liquid.
COMPONENTS TESTING Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units (15kΩ) 101 Temp. (°F) Resistance (kΩ) Temp. (°F) Resistance( kΩ) Temp. (°F) Resistance (kΩ) Temp. (°F) Resistance (kΩ) -2.2 138.1 68 18.75 138.2 3.848 208.4 1.071 -0.4 128.6 69.8 17.93 140 3.711 210.2 1.039 1.4 121.6 71.6 17.14 141.8 3.579 212 1.009 3.2 115 73.4 16.39 143.6 3.454 213.8 0.98 5 108.7 75.2 15.68 145.4 3.333 215.6 0.952 6.8 102.9 77 15 147.2 3.
COMPONENTS TESTING Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units (20kΩ) 102 Temp. (°F) Resistance (kΩ) Temp. (°F) Resistance( kΩ) Temp. (°F) Resistance (kΩ) Temp. (°F) Resistance (kΩ) -2.2 181.4 68 25.01 138.2 5.13 208.4 1.427 -0.4 171.4 69.8 23.9 140 4.948 210.2 1.386 1.4 162.1 71.6 22.85 141.8 4.773 212 1.346 3.2 153.3 73.4 21.85 143.6 4.605 213.8 1.307 5 145 75.2 20.9 145.4 4.443 215.6 1.269 6.8 137.2 77 20 147.2 4.
COMPONENTS TESTING Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units (50kΩ) 103 Temp. (°F) Resistance (kΩ) Temp. (°F) Resistance( kΩ) Temp. (°F) Resistance (kΩ) Temp. (°F) Resistance (kΩ) -20.2 853.5 50 98 120.2 18.34 190.4 4.754 -18.4 799.8 51.8 93.42 122 17.65 192.2 4.609 -16.6 750 53.6 89.07 123.8 16.99 194 4.469 -14.8 703.8 55.4 84.95 125.6 16.36 195.8 4.334 -13 660.8 57.2 81.05 127.4 15.75 197.6 4.204 -11.2 620.8 59 77.
COMPONENTS TESTING ● Top view 15 3 4 6 5 7 8 No 14 1 2 3 4 5 13 6 2 9 1 10 11 Name Interface of communication wire for indoor unit and outdoor unit Interface of live wire Interface of neutral wire Interface of fan Jumper cap Interface of health function live wire (only for the mode with this function) Up&down swing interface Feedback interface of indoor unit 7 8 9 10 Interface of tube temperature sensor Wired controller 11 (only for the mode with this function) 12 Display interface 13 Fuse In
COMPONENTS TESTING Top view 15 9 8 7 6 10 5 11 14 12 4 13 3 2 No.
COMPONENTS TESTING Top view 15 9 8 7 6 10 5 11 14 12 4 13 3 2 No.
COMPONENTS TESTING ● Top view 19 18 17 16 15 14 13 12 11 10 20 21 22 9 8 7 6 1 2 3 4 5 NO. Name 1 Compressor output port 2 3 4 5 6 7 8 NO. Name NO.
COMPONENTS TESTING Outdoor Unit ● Top view 1 2 3 4 5 6 7 8 9 10 No.
COMPONENTS TESTING ● Top view 1 2 3 4 5 6 7 8 9 10 11 12 13 15 14 No. Name No.
TROUBLESHOOTING Diagnostic Codes No. Malfunction Display Method of Indoor Unit Display Method of Outdoor Unit Name Dual-8 Indicator Display (During blinking, Indicator has 3 kinds of display status A/C status Possible Causes Code ON 0.5s and OFF 0.5s) and during blinking, ON 0.5s and OFF 3s During cooling and drying Pressure and blink operation, except indoor Protectioon once fan operates, all loads stop Possible reasons: 1.Refrigerant was super‑ abundant; 2.
TROUBLESHOOTING Diagnostic Codes No. Malfunction Display Method of Indoor Unit Display Method of Outdoor Unit Name Dual-8 Indicator Display (During blinking, Indicator has 3 kinds of display status Code ON 0.5s and OFF 0.5s) and during blinking, ON 0.
TROUBLESHOOTING Diagnostic Codes No. Malfunction Display Method of Indoor Unit Display Method of Outdoor Unit Name Dual-8 Indicator Display (During blinking, Indicator has 3 kinds of display status Code ON 0.5s and OFF 0.5s) and during blinking, ON 0.5s and Display 14 15 16 17 18 outdoor Possible Causes OFF 0.
TROUBLESHOOTING Diagnostic Codes No. Malfunction Display Method of Indoor Unit Display Method of Outdoor Unit Name Dual-8 Indicator Display (During blinking, Indicator has 3 kinds of display status Code ON 0.5s and OFF 0.5s) and during blinking, ON 0.5s and Display 21 voltage for PH A/C status Possible Causes OFF 0.5s Power Cool Heating Yellow Red Green Indicator Indicator Indicator Indicator Indicator Indicator OFF 3s OFF 1s During cooling and drying op‑ 1.
TROUBLESHOOTING Diagnostic Codes No. Malfunction Display Method of Indoor Unit Display Method of Outdoor Unit Name Dual-8 Indicator Display (During blinking, Indicator has 3 kinds of display status Code ON 0.5s and OFF 0.5s) and during blinking, ON 0.5s and Display 26 27 28 A/C status Possible Causes OFF 0.
TROUBLESHOOTING Diagnostic Codes No. Malfunction Display Method of Indoor Unit Display Method of Outdoor Unit Name Dual-8 Indicator Display (During blinking, Indicator has 3 kinds of display status Code ON 0.5s and OFF 0.5s) and during blinking, ON 0.5s and Display 33 overload protection for compres‑ sor A/C status Possible Causes During cooling and drying op‑ 1.Wiring terminal OVC-COMP eration, compressor will stop is loosened.
TROUBLESHOOTING Diagnostic Codes No. Malfunction Display Method of Indoor Unit Display Method of Outdoor Unit Name Dual-8 Indicator Display (During blinking, Indicator has 3 kinds of display status Code ON 0.5s and OFF 0.5s) and during blinking, ON 0.5s and Display 40 41 outdoor DC Possible Causes OFF 0.
TROUBLESHOOTING Diagnostic Codes No. Malfunction Display Method of Indoor Unit Display Method of Outdoor Unit Name A/C status Possible Causes Dual-8 Indicator Display (During blinking, Indicator has 3 kinds of display status Code ON 0.5s and OFF 0.5s) and during blinking, ON 0.
TROUBLESHOOTING Malfunction of Temperature Sensor F1, F2 Indoor unit (1) Malfunction of Temperature Sensor F1, F2 Main detection points: ● Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? ● Is there short circuit due to trip-over of the parts? ● Is the temperature sensor broken? ● Is mainboard broken? Malfunction diagnosis process: Start Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? Yes Insert
TROUBLESHOOTING 9-12k Malfunction of blocked Protection of IDU Fan Motor H6 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Main detection points: ● SmoothlyIs the control terminal of PG motor connected tightly? ● SmoothlyIs the feedback interface of PG motor connected tightly? ● The fan motor cant operate? ● The motor is broken? Malfunction diagnosis process: Start Turn the fan blades by hand under power-off condition Whether the fan blades can run smoothly? Yes smoothly.
TROUBLESHOOTING 18-36k Malfunction of blocked Protection of IDU Fan Motor H6 2.Malfunction of Blocked Protection of IDU Fan Motor H6 Start Turn the fan blades by hand under power-off condition Whether the fan blades can run smoothly? Yes smoothly. Turn unit on to check whether the malfunction is eliminated. No Under power-off condition, check whether the wiring terminal between indoor fan and main board is loose.
TROUBLESHOOTING Malfunction of Protection of Jumper Cap C5 Troubleshooting for C5 malfunction Is there jumper cap on the mainboard ? no Appearance of the jumper cap Assemble the jumper cap with the same model yes Is malfunction eliminated no Is the jumper cap inserted correctly and tightly ? no Insert the jumper cap tightly yes no Is malfunction eliminated yes Replace the jumper cap with the same model yes Is malfunction eliminated no Replace the mainboard with the same model.
TROUBLESHOOTING Malfunction of Service IDU FanManual Motor U8 Start No End 122
TROUBLESHOOTING Overcurrent Protection E5 Malfunction of Overcurrent Protection E5 Main detection points: ● Is the supply voltage too low with overload? ● Hardware trouble? Malfunction diagnosis process: Start Is the supply voltage unstable Yes of the rated voltage on the nameplate No Is the supply voltage too low with overload? Yes Yes Yes No Replace the mainboard with the same model End 123 Clean the indoor and outdoor heat exchangers and remove the blockage of air inlet and outlet Check the
TROUBLESHOOTING Malfunction of Communication E6 Malfunction of communication E6 Main detection points: ● Check if the connection wire and the built-in wiring of indoor and outdoor unit are connected well and without damage; ● If the communication circuit of indoor mainboard is damaged? If the communication circuit of outdoor mainboard (AP1) is damaged? Malfunction diagnosis process: Start Cut off power supply.
TROUBLESHOOTING Malfunction of Power Supply from Indoor to Outdoor Unit Inspect the power supply plug seat wit hAC voltage guage to check if voltage between L and N is within 200VAC-240 VAC.
TROUBLESHOOTING Malfunction of Detecting Plate (WIFI) JF Malfunction of detecting plate(WIFI) JF Start check if the connection wire are correctly connected Yes Replace the detecting plate with the same model Is malfunction eliminated Replace the mainboard with the same model No Yes The end 126
TROUBLESHOOTING Indoor fan does not rotate and there is no Feedback Is the control panel reliably connected with the motor? Is it loose? Is the connecting sequence correct? Is the input voltage within the normal range (measure the voltage between L and N of the wiring block XT with AC voltage gauge.
TROUBLESHOOTING Temperature sensor malfunction Is outdoor ambient temperature within the normal range? Is indoor and outdoor fan running normally? Is the radiating environment inside and outside the unit good enough? Energize the unit and start it Indoor unit display F1/F2 Check connecting state of indoor temperature sensor Y N reliable connected? Indoor unit display F4/F5 N Adjust connecting state Y Check connecting state of outdoor temperature sensor Reliable connected? Y N Adjust connecting
TROUBLESHOOTING Malfunction diagnosis of startup failure Is wiring of compressor correct.
TROUBLESHOOTING Diagnosis of losing synchronism for compressor (AP1 below is control board of outdoor unit) ● If the system pressure is over-high? ● If the work voltage is over-low? Malfunction diagnosis process: Synchronism after energize the unit and start it Synchronism occurred during operation If the stop time of compressor is more than 3min If the outdoor fan works normally? N N Check if the fan terminal OFAN is connected well Replace fan capacitor C1 Y Y If the radiating of unit is well? If
TROUBLESHOOTING 9-12k, 36k Diagnosis of overload and discharge malfunction Is electric expansion valve well connected? Is it damaged? Is refrigerant leaked? Is overload wire connection normal? Are resistances between the first four pins close to the terminal hole and the 5th pin almost the same.? They should be less than 100 ohm.
TROUBLESHOOTING 18-24k Diagnosis of overload and discharge malfunction Diagnosis for overload and discharge malfunction (AP1 below is control board of outdoor unit) Main detection point: ● If the electron expansion valve is connected well? Is the expansion valve damaged? ● If the refrigerant is leakage? ● If the overload protector is damaged? Malfunction diagnosis process: After the unit de-energized for 20min If the overload protector SAT is well connected? N Y Under ambient temperature, test the resi
TROUBLESHOOTING Capacity Charging malfunction - Outdoor unit 1) Capacitor charge fault (Fault with outdoor unit) (AP1 below refers to the outdoor control panel) Main Check Points: Use AC voltmeter to check if the voltage between terminal L and N on the wiring board is within 210VAC~240VAC.
TROUBLESHOOTING 9-24k PM protection, phase current overcurrent (the control board as below indicates the control board of outdoor unit) H5/P5 Mainly detect: (1) Compressor COMP terminal (2) voltage of power supply (3) compressor (4) Refrigerant-charging volume (5) air outlet and air inlet of outdoor/indoor unit Troubleshooting: Turn on the unit after energization Check the connection between the control board and the compressor by referring to the electric wiring diagram Whether IPM protection occurs af
TROUBLESHOOTING 36k IPM Protection, Out-of-Step Fault, Compressor Phase Overcurrent If the connection between control panel AP1 and compressor COMP is secure? If loose? If the connection is in correct order? If the voltage input of the machine is within normal range? (Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT) If the compressor coil resistance is normal? If the insulation of compressor coil against the copper tube is in good condition?If the working load of th
TROUBLESHOOTING High temperature and Overload Protection Diagnosis Is outdoor ambient temperature in normal range? Are the outdoor and indoor fans operating normally? Is the heat dissipation environment inside and outside the unit is good? (AP1 below refers to the outdoor control panel) Overheat and high temperature protection Is outdoor ambient temperature higher than 127.4˚F Y Normal protection, please operate it after the outdoor ambient temperature is normalized.
TROUBLESHOOTING PFC (Correction Power Factor) Outdor Unit Malfuction AP1 hereinafter refers to the control board of the outdoor unit Check if the reactor (L) of the outdoor unit and the PFC capacitor are broken Start Check wiring of the reactor (L) of the outdoor unit and the PFC capacitor Whether there is any damage or short-circuit? Y Replace it as per the wiring diagram and reconnect the wires If the fault is eliminated? N Disconnect the terminals for the reactor and measure the resistance betw
TROUBLESHOOTING Communication malfunction: (following AP1 for outdoor unit control board) (8) Communication malfunction: (following AP1 for outdoor unit control board) Mainly detect: Is there any damage for the indoor unit mainboard communication circuit? Is communication circuit damaged? Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not, if is there any damage? Fault diagnosis process: Start Y Did the equipment operate normally before
TROUBLESHOOTING High-pressure Protection High-pressure Protection High-pressure protection Use pressure gauge to measure if the pressure is really high? no Measure if the pressure switch is normal Replace the mainboard of outdoor unit no yes Check if the operation mode of indoor unit is set properly? yes no Set the correct operation mode Replace the pressure switch yes Check if the gas valve and liquid valve are fully open ? no Fully open the valve yes Check if the front panel of outdoor
TROUBLESHOOTING Troubleshooting for Malfunction without Active Error Code Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Air Conditioner will not start up No power supply, or poor connection for power plug After energization, operation indicator isn’t bright and the buzzer can't give out sound Confirm whether it's due to power failure. If yes, wait for power recovery. If not, check power supply circuit and make sure the power plug is connected well.
TROUBLESHOOTING Troubleshooting for Malfunction without Active Error Code Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Malfunction of the IDU fan motor The IDU fan motor can’t operate Refer to troubleshooting for H6 for mainte‑ nance method in details Malfunction of the ODU fan motor The ODU fan motor can't operate Refer to point 4 of maintenance method for details Malfunction of compressor Compressor can't operate Refer to point 5 of maintenance method for detai
TROUBLESHOOTING Troubleshooting for Malfunction without Active Error Code Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Cylinder of compressor is blocked Compressor can't operate Repair or replace compressor Drain pipe is blocked Water leaking from indoor unit "Eliminate the foreign objects inside the drain pipe" Drain pipe is broken Water leaking from drain pipe Replace drain pipe Wrapping is not tight "Water leaking from the pipe connection place of indoor uni
WIRING DIAGRAMS Symbol WH Symbol Color Symbol Symbol Color Symbol Name White GN Green CAP Jumper cap YE Yellow BN Brown COMP Compressor RD Red BU Blue Yellow/Green BK Black / / Violet OG Orange / / YEGN VT Grounding wire 600007000575 Figure 801 9-12K Indoor Unit Wiring Diagram 143
WIRING DIAGRAMS Symbol Symbol Color Symbol Symbol Color Symbol Name WH White GN Green CAP Jumper cap YE Yellow BN Brown COMP Compressor RD Red BU Blue YEGN Yellow/Green BK Black / / VT Violet OG Orange / / Grounding wire Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model.
WIRING DIAGRAMS Symbol Symbol Color Symbol Symbol Color Symbol Name WH White GN Green CAP Jumper cap COMP YE Yellow BN Brown RD Red BU Blue Compressor YEGN Yellow/Green BK Black / / VT Violet OG Orange / / Grounding wire Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model.
WIRING DIAGRAMS N(1) 2 3 C3 C4 60000706067401 Figure 8054 9-12K Outdoor Unit Wiring Diagrams 146
WIRING DIAGRAMS Figure 805 18-24k Outdoor Unit Wiring Diagrams 6361000047001 Figure 806 36k Outdoor Unit Wiring Diagrams 147
PARTS CATALOG 9K Indoor Unit 27 28 29 30 11 10 9 12 8 13 7 14 6 31 5 4 15 3 16 2 1 19 6 20 22 21 23 24 26 25 FIgure 901 148 18 17
PARTS CATALOG 9k Indoor Unit FIGURE 901 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL QTY 1 69700627 300036 - Front Panel Assy FSHW09A1A 1 2 69700628 30565260 - Display Board FSHW09A1A 2 3 69700629 2002249501 - Front Case Assy FSHW09A1A 1 4 69700630 26112508 - Helicoid Tongue FSHW09A1A 1 5 69700631 10512037 - Left Axile Bush FSHW09A1A 1 6 69700632 100066 - Rear Case assy FSHW09A1A 1 7 69700633 523001408 - Drainage Hose FSHW09A1A 1 8 69700666 26152022 - Ring of B
PARTS CATALOG 12k Indoor Unit 27 28 29 30 11 10 9 12 8 13 7 14 6 31 5 4 15 3 16 2 1 19 6 20 22 21 23 24 26 25 FIgure 902 150 18 17
PARTS CATALOG 12k Indoor Unit FIGURE 902 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL QTY 1 69700659 300022 - Front Panel Assy FSHSW12A1A 1 2 69700628 30565260 - Display Board FSHSW12A1A 2 3 69700661 200022 - Front Case Assy FSHSW12A1A 1 4 69700662 26112436 - Helicoid Tongue FSHSW12A1A 1 5 69700631 10512037 - Left Axile Bush FSHSW12A1A 1 6 69700664 100093 - Rear Case assy FSHSW12A1A 1 7 69700665 5230014 - Drainage Hose FSHSW12A1A 1 8 69700666 26152022 - Ring of
PARTS CATALOG 18K Indoor Unit 18K Unit 36 35 37 15 16 38 14 39 17 13 18 12 19 8 6 9 10 11 20 7 21 5 22 23 4 24 3 26 2 1 25 27 10 29 28 30 31 34 32 33 Figure 903 152 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL QTY 1 69700691 20192703P - Decorative Strip FSHW18A3A 1 2 69700692 300035 - Front Panel Assy FSHW18A3A 1 3 69700628 30565260 - Display Board FSHW18A3A 1 4 69700694 11122089 - Filter Sub-Assy FSHW18A3A 2 5 69700695 2019261201 - Decorati
PARTS CATALOG 18K Indoor Unit Figure 903 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL QTY 10 69700700 26112512 - Helicoid Tongue FSHW18A3A 1 11 69700631 10512037 - Left Axile Bush FSHW18A3A 1 12 69700702 22202571 - Rear Case assy FSHW18A3A 1 13 69700481 76712012 - Rubber Plug (Water Tray) FSHW18A3A 1 14 69700635 7651205102 - O-Gasket sub-assy of Bearing FSHW18A3A 1 15 69700741 26152025 - Ring of Bearing FSHW18A3A 1 16 69700706 24212177 - Evaporator Support FSHW18A3
PARTS CATALOG 24K Indoor Unit 14 37 36 35 38 39 16 15 13 12 17 11 10 8 5 1 8 2 3 6 9 18 7 19 20 4 21 22 25 27 23 24 26 28 34 33 29 32 31 30 Figure 904 154 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL QTY 1 69700732 300021 - Front Panel Assy FSHW24A3A 1 2 69700733 11012007 - Filter Sub-Assy FSHW24A3A 1 3 69700734 2425245301 - Screw Cover FSHW24A3A 1 4 69700735 200116 - Front Case Assy FSHW24A3A 1 5 69700736 10512737 - Air Louver(Manual) FSHW24A3A
PARTS CATALOG 24K Indoor Unit Figure 904 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL QTY 11 69700635 7651205102 - O-Gasket sub-assy of Bearing FSHW24A3A 1 12 69700743 10352057 - Cross Flow Fan FSHW24A3A 1 13 69700744 24212178 - Evaporator Support FSHW24A3A 1 14 69700745 11001000095 - Evaporator Assy FSHW24A3A 1 15 #N/A #N/A FSHW24A3A 1 16 69700747 1252229 - Wall Mounting Frame FSHW24A3A 1 17 69700748 26112515 - Motor Press Plate FSHW24A3A 1 18 69700749 1501214
PARTS CATALOG 36K Indoor Unit 22 21 20 19 18 17 16 5 3 6 7 8 9 12 11 10 13 15 14 23 24 25 26 27 28 4 2 36 37 1 35 34 33 32 31 30 29 38 39 B2 pa A3 ne l pa ne l 42 41 40 Figure 905 156 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL QTY 1 69700592 22430024 - Receiver Window/DIS‑ PLAY COVER FSHSW36A3A 1 2 69700593 20000300022S - Front Panel FSHSW36A3A 1 3 69700594 2421212001 - Stand Bar FSHSW36A3A 1 4 69700470 11122106 - Filter Sub-Assy FSHSW36A3A 1
PARTS CATALOG 36K Indoor Unit Figure 905 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL QTY 7 69700598 1051216701 - Lower Guide Louver FSHSW36A3A 1 8 69700599 1051216902 - Air Louver 2 FSHSW36A3A 1 9 69700600 1051216802 - Air Louver 1 FSHSW36A3A 1 10 69700477 10582086 - Connecting Rod/LOUVER ROD FSHSW36A3A 1 11 69700478 26112158 - Louver Clamp FSHSW36A3A 1 12 69700603 2018213802 - Water Tray/DRAIN PAN FSHSW36A3A 1 13 69700604 2425200506 - Screw Cover/SCREW PLUGS FSHS
9K Outdoor Unit PARTS CATALOG 32 31 30 29 28 27 FIgure 906 158
PARTS CATALOG 9K Outdoor Unit Figure 906 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL QTY 1 69700000 1473012 - Front Grill FSHSR09A1A 1 2 69700772 153304901 - Front Panel Assy FSHSR09A1A 1 3 69700773 10333004 - Axial Flow Fan FSHSR09A1A 1 4 69700774 1501308507 - Fan Motor FSHSR09A1A 1 5 69700775 0120388105P - Chassis Sub-assy FSHSR09A1A 1 6 #N/A #N/A FSHSR09A1A 1 7 69700777 76710302 - Compressor Gasket FSHSR09A1A 1 8 69700268 103862 - Compressor and Fittings F
12k Outdoor Unit PARTS CATALOG 32 31 30 29 28 27 FIgure 907 160
PARTS CATALOG 12k Outdoor Unit Figure 907 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL QTY 1 69700000 1473012 - Front Grill FSHSR12A1A 1 2 69700772 153304901 - Front Panel Assy FSHSR12A1A 1 3 69700773 10333004 - Axial Flow Fan FSHSR12A1A 1 4 69700774 1501308507 - Fan Motor FSHSR12A1A 1 5 69700808 0120388103P - Chassis Sub-assy FSHSR12A1A 1 6 #N/A #N/A FSHSR12A1A 1 7 69700777 76710302 - Compressor Gasket FSHSR12A1A 1 8 69700268 103862 - Compressor and Fittings
PARTS CATALOG 18k Outdoor Unit 31 25 24 22 23 20 21 19 18 30 29 32 17 28 27 16 26 15 14 13 12 11 1 2 3 4 5 FIgure 908 162 6 7 8 9 10
18kOutdoor Unit PARTS CATALOG Figure 908 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL QTY 1 69700837 16004000006 - Front Grill FSHSR18A3A 1 2 69700838 3060055 - Front Panel Assy FSHSR18A3A 1 3 69700839 10335008 - Axial Flow Fan FSHSR18A3A 1 4 69700840 01700000093P - Chassis Sub-assy FSHSR18A3A 1 5 69700164 6123401 - Drainage Connecter FSHSR18A3A 1 6 69700842 00105249G - Compressor and Fittings FSHSR18A3A 1 7 69700843 30152000291 - 4-Way Valve Assy FSHSR18A3A 1 8
PARTS CATALOG 24k Outdoor Unit 31 25 24 22 23 20 21 19 18 30 29 32 17 28 27 16 26 15 14 13 12 11 1 2 3 4 5 FIgure 909 164 6 7 8 9 10
PARTS CATALOG 24k Outdoor Unit Figure 909 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL 1 69700837 16004000006 - Front Grill FSHSR24A3A 1 2 69700838 3060055 - Front Panel Assy FSHSR24A3A 1 3 69700839 10335008 - Axial Flow Fan FSHSR24A3A 1 4 #N/A #N/A FSHSR24A3A 1 5 69700870 01700000161P - Chassis Sub-assy FSHSR24A3A 1 6 #N/A #N/A FSHSR24A3A 1 7 69700842 00105249G - Compressor and Fittings FSHSR24A3A 1 8 69700873 430004032 - 4-Way Valve FSHSR24A3A 1 9 69700874
PARTS CATALOG 36k Outdoor Unit 28 35 29 36 27 26 24 25 23 22 21 30 37 31 38 32 39 33 40 34 20 41 19 18 17 1 2 3 4 5 6 7 FIgure 910 166 8 9 10 16 11 12 13 14 15
PARTS CATALOG 36k Outdoor Unit Figure 910 ITEM PART NUMBER PART DESCRIPTION USED ON MODEL QTY 1 69700572 16004060005 - Front Grill FSHSR36A3A 1 2 69700573 153501405 - Front Panel Assy FSHSR36A3A 1 3 69700514 01303249P - Front Side Plate SubAssy FSHSR36A3A 1 4 69700515 10335014 - Axial Flow Fan FSHSR36A3A 1 5 #N/A #N/A FSHSR36A3A 1 6 #N/A #N/A FSHSR36A3A 1 7 #N/A #N/A FSHSR36A3A 1 8 69700575 205200003 - Compressor FSHSR36A3A 1 9 69700576 7651873209 - Electrica
APPENDIX Appendix 1: Reference Sheet of Celsius and Farenheit . Fahrenheit display temperature Fahrenheit 61 62/63 64/65 66/67 68 60.8 62.6 64.4 66.2 68 Fahrenheit display temperature Fahrenheit 32/33 34/35 36 37/38 39/40 41/42 43/44 45 46/47 48/49 50/51 52/53 54 32 33.8 35.6 37.4 39.2 41 42.8 44.6 46.4 48.2 50 51.8 53.6 Celsius 16 17 18 19 20 Celsius 0 1 2 3 4 5 6 7 8 9 10 11 12 Fahrenheit Fahrenheit display Celsius temperature 69/70 71/72 73/74 75/76 77 69.8 71.6 73.4 75.2 77 55.4 57.
Appendix 3: Pipe Expanding Method APPENDIX Pipe Pipe cutter Leaning A:Cut the pip Confirm the pipe length according to the distance of indoor unit and outdoor unit. Cut the required pipe with pipe cutter. B:Remove the burrs Remove the burrs with shaper and prevent the burrs from getting into the pipe.
Friedrich Air Conditioning Company 10001 Reunion Place, Suite 500 San Antonio, TX 78216 800-541-6645 www.friedrich.com FLOATING AIR DUCTLESS SPLIT SYSTEMS LIMITED WARRANTY 1. A) FIVE YEAR WARRANTY - FRIEDRICH AIR CONDITIONING CO.
CUSTOMER SATISFACTION and QUALITY ASSURANCE Friedrich is a conscientious manufacturer, concerned about customer satisfaction, product quality, and controlling warranty costs. As an Authorized Service Provider you play a vital role in these areas. By adhering to the policies and procedures you provide us with vital information on each warranty repair you complete.
