TECHNICAL & SERVICE MANUAL SAP-KRV94EHDX + SAP-CRV94EHDX SAP-KRV124EHDX + SAP-CRV124EHDX FILE NO. Destination: Europe Northern Europe DC INVERTER SPLIT SYSTEM AIR CONDITIONER Indoor Model No. Product Code No. Outdoor Model No. Product Code No.
Table of Contents Page 1. OPERATING RANGE ................................................................................................................... 5 2. SPECIFICATIONS 2-1. Unit Specifications ............................................................................................................. 2-2. Major Component Specifications ....................................................................................... 2-3. Other Component Specifications .....................................
Page 10. TROUBLESHOOTING 10-1. Precautions before Performing Inspection or Repair ........................................................... 10-2. Method of Self-Diagnostics ................................................................................................. 10-3. Checking the Indoor and Outdoor Units .............................................................................. 10-4. Trouble Diagnosis of Indoor and Outdoor Fan Motor ..........................................................
When Transporting Important! Please Read Before Starting Be careful when picking up and moving the indoor and outdoor units. Get a partner to help, and bend your knees when lifting to reduce strain on your back. Sharp edges or thin aluminum fins on the air conditioner can cut your fingers. This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently.
1. OPERATING RANGE Cooling Heating Temperature Indoor Air Intake Temp. Maximum 32 C D.B. / 23 C W.B. 43 C D.B. Minimum 19 C D.B. / 14 C W.B. -15 C D.B. Maximum 27 C D.B. Minimum 16 C D.B. 24 C D.B. / 18 C W.B. _ D.B. / -15 C W.B. 5 Outdoor Air Intake Temp.
2. SPECIFICATIONS 2-1. Unit Specifications Indoor Unit Outdoor Unit SAP-KRV94EHDX SAP-CRV94EHDX Voltage Rating 230 V Performance Capacity kW BTU/h m 3/h Liters/h Air Circulation (High) Moisture Removal (High) Electrical Rating Available Voltage Range Running Amperes Power Input Power Factor E.E.R. C.O.P.
Indoor Unit Outdoor Unit SAP-KRV124EHDX SAP-CRV124EHDX Power Source 220 to 240V Single-Phase 50Hz Voltage Rating 230 V Performance Capacity Air Circulation (High) Moisture Removal (High) Electrical Rating Available Voltage Range Running Amperes Power Input Power Factor E.E.R. C.O.P.
2-2. Major Component Specifications 2-2-1. Indoor Unit Indoor Unit SAP-KRV94EHDX Control PCB Part No. Controls Control Circuit Fuse CB-KRV94EHDX Microprocessor 250V 3.15A Remote Control Unit RCS-4HVPDXS4EE Fan Type Q'ty ... Dia. and Length Fan Motor Type Model ... Q'ty No. of Poles Rough Measure RPM (Cool / Heat ) Nominal Output Coil Resistance (Ambient Temp. 20 oC) Safety Device Type Over- Current Protection Over-Heat Protection Run Capacitor Flap Motor Type Model mm Cross-Flow 1 ...
Indoor Unit SAP-KRV124EHDX Control PCB Part No. Controls Control Circuit Fuse CB-KRV124EHDX Microprocessor 250V 3.15A Remote Control Unit RCS-4HVPDXS4EE Fan Type Q'ty ... Dia. and Length Fan Motor Type Model ... Q'ty No. of Poles Rough Measure RPM (Cool / Heat ) Nominal Output Coil Resistance (Ambient Temp. 20 oC) Safety Device Type Over- Current Protection Over-Heat Protection Run Capacitor Flap Motor Type Model mm Cross-Flow 1 ... D100 / L677 W Ohm DC Motor SIC-39CVL-D847-3 ...
2-2-2. Outdoor Unit Outdoor Unit SAP-CRV94EHDX Control PCB Part No. Controls Control Circuit Fuse Compressor Type Compressor Model / Nominal Output Compressor Oil ... Amount Coil Resistance (Ambient Temp. 20 oC) CB-CRV94EHDX Microprocessor 250V 25A CC Ohm DC Twin Rotary (Hermetic) C-6RVN93H0Q / 1,050W FV50S ... 350 R - S : 0.482 S - T : 0.482 T - R : 0.482 Safety Device CT (Peak current cut-off control) Compressor Discharge Temp. Control Operation cut-off control in abnormal ambient Temp.
Outdoor Unit SAP-CRV124EHDX Control PCB Part No. Controls Control Circuit Fuse Compressor Type Compressor Model / Nominal Output Compressor Oil ... Amount Coil Resistance (Ambient Temp. 20 oC) CB-CRV124EHDX Microprocessor 250V 25A CC Ohm DC Twin Rotary (Hermetic) C-6RVN93H0Q / 1,050W FV50S ... 350 R - S : 0.482 S - T : 0.482 T - R : 0.482 Safety Device CT (Peak current cut-off control) Compressor Discharge Temp. Control Operation cut-off control in abnormal ambient Temp.
2-3.
60 22 75 898 890 68 54 300 55 243 200 55 During Operation Air Outlet 60 41 (dia.65) 3 10 13 41 50 399 70 Power Cord 48 59 898 450 24 134 80 355 70 50 Drainhose dia.18 (dia.65) Narrow tube dia.6.35 (1/4") Wide tube dia.9.52 (3/8") 17.5 30 Indoor Unit 41 Air Intake 3.
Outdoor Unit SAP-CRV94EHDX SAP-CRV124EHDX ID:12 295 608 85 ID:12 336 310 285 46 ID:18 ID:19 25 12 Wide tube service valve dia. 9.25 (3/8") Narrow tube service valve dia. 6.
4. REFRIGERANT FLOW DIAGRAM 4-1. Refrigerant Flow Diagram SAP-KRV94EHDX SAP-KRV124EHDX Outdoor Unit SAP-CRV94EHDX SAP-CRV124EHDX Outdoor unit Wide tube 4-way valve Muffler Heat exchanger O.D. 9.52 mm (3/8 ") Accumulator Wide tube service valve 2-way valve Modulator Narrow tube O.D. 6.
5. PERFORMANCE DATA 5-1. Temperature Charts Indoor Unit SAP-KRV94EHDX Outdoor Unit SAP-CRV94EHDX 1.3 (12.2) Heating Characteristics High pressure at wide tube service valve MPa (kgf/cm2G) Low pressure at wide tube service valve MPa (kgf/cm2G) Cooling Characteristics Outdoor fan speed Low High 1.2 (11.2) 0°C emp.3 r Air T Indoo 27°C 1.1 (10.2) 24°C 1.0 (9.2) 30 25 35 r oo °C 2.5 (24.5) 2.0 (19.4) 0 5 10 15 20 25 7 Operating current (A) Operating current (A) 17 8 High °C .
Indoor Unit SAP-KRV124EHDX Outdoor Unit SAP-CRV124EHDX 1.3 (12.2) Heating Characteristics High pressure at wide tube service valve MPa (kgf/cm2G) Low pressure at wide tube service valve MPa (kgf/cm2G) Cooling Characteristics Outdoor fan speed Low High p.30°C ir Tem 1.2 (11.2) rA Indoo 27°C 1.1 (10.2) 24°C 1.0 (9.2) 25 30 35 3.5 (34.7) or o Ind °C 2.0 (19.4) 0 5 10 15 20 25 8 °C .
5-2. Air Throw Distance Charts Indoor Unit SAP-KRV94EHDX Cooling Room air temp. : Fan speed : 27 C High Horizontal distance (m) 0 1 2 3 4 5 6 7 8 9 10 Axis air velocity (m/s) Vertical distance (m) 0 1 2 3 4 : Flap angle 0 , : Flap angle 30 , : Axis air velocity 0 : Axis air velocity 30 Heating Room air temp.
Indoor Unit SAP-KRV124EHDX Cooling Room air temp. : Fan speed : 27 C High Horizontal distance (m) 0 1 2 3 4 5 6 7 8 9 10 Axis air velocity (m/s) Vertical distance (m) 0 1 2 3 4 : Flap angle 0 , : Flap angle 30 , : Axis air velocity 0 : Axis air velocity 30 Heating Room air temp.
6. ELECTRICAL DATA 6-1. Electrical Characteristics Indoor Unit SAP-KRV94EHDX Outdoor Unit SAP-CRV94EHDX Cooling Indoor Unit Fan Motor Performance at Rating conditions Rating conditions: Running amp. Power input Indoor air temperature: Outdoor air temperature: A kW 0.35 0.028 Outdoor Unit Fan Motor + Compressor 230V Single-phase 50Hz 2.05 0.502 Complete Unit Outdoor Unit Fan Motor + Compressor 230V Single-phase 50Hz 2.95 0.
1 2 3 4 5 1 2 3 4 5 21 1 1 BLK 3 3 4 4 (WHT) 2 2 ION UNIT ION TERMINAL 1 2 (WHT) 3 4 5 6 SW ASSY FM 1 2 3 4 5 6 WHT GRY GRY GRY GRY WHT BLU BLU BLU BLU BLK BLK RED WHT WHT BL U BL U BL U BL U BL U BLK WHT YEL BLU RED WHT BLU BLU BLU BLU WHT GRY GRY GRY GRY 1 3 5 7 1 3 5 7 1 2 3 SW 4 (WHT) 5 6 1 2 3 DCM 4 (BLU) 5 6 (WHT) 1 2 3 4 5 5 6 6 1 1 2 2 PANEL 3 3 (WHT) 4 4 BRN RED ORG YEL PNK BLU WHT BLK SW2 1 1 (BLU) 2 2 4 4 1 1 BLK BLK 1 2 3 4 5 6 7 8 9 HUM 1 1 (RED) 2 2 WHT GRY
7. INSTALLATION INSTRUCTIONS 7-1. Installation Site Selection 7-1-1. Indoor Unit WARNING To prevent abnormal heat generation and the possibility of fire, do not place obstacles, enclosures and grilles in front of or surrounding the air conditioner in a way that may block air flow. 15 cm min. 5 cm min. 5 cm min. Front View AVOID: Fig. 1 direct sunlight. nearby heat sources that may affect performance of Tubing length (L) INDOOR UNIT the unit. areas where leakage of flammable gas may be expected.
7-1-2. Outdoor Unit NO AVOID: Exhaust fan Hot air Heat source heat sources, exhaust fans, etc. (Fig. 4) damp, humid or uneven locations. Outdoor unit DO: position the outdoor unit in a protected location where snow will not blow into it. choose a place as cool as possible. Fig. 4 choose a place that is well ventilated. allow enough room around the unit for air intake/ Obstacle above exhaust and possible maintenance. (Fig. 5a) 40 cm beams or equal), a minimum of Air intake Min.
7-2. Recommended Wire Length and Diameter Regulations on wiring diameter differ from locality to locality. For field wiring requirements, please refer to your local electrical codes. Carefully observe these regulations when carrying out the installation. Table 2 lists recommended wire lengths and diameters for power supply systems. NOTE Refer to the wiring system diagram (Fig. 6) for the meaning of (A), (B) and (C) in Table 2.
7-3. Remote Control Unit Installation Position The remote control unit can be operated from either a non-fixed position or a wall-mounted position.
7-4. How to Test Run the Air Conditioner FILTER RESET IMPORTANT Use a sharp object when accessing ON/OFF and TEST buttons in the indoor unit. After turning on power to the air conditioner, use the remote controller and follow the steps below to conduct the test run. (1) Either press the ON/OFF button on the indoor unit or use the remote controller to start the Air Conditioner. (Figs. 8a and 8b) (2) Press and hold down the TEST RUN button on the indoor main unit controller until a beep is heard.
7-5. Remove the Grille to Install the Indoor Unit Front panel Basically, these models can be installed and wired without removing the grille. If access to any internal part is needed, follow the steps as given below. Arm How to remove the grille (1) Open the front panel until it is nearly horizontal, grasp the sections near the front panel arms on both sides, and then pull forward to remove the front panel. (Fig. 9) Fig. 9 (2) Remove the screw from the top right of the main unit.
8. MAINTENANCE Address-setting tab 8-1. Address Setting of the Remote Control Unit The address can be set in order to prevent interference between remote controllers when two Sanyo indoor units are installed near each other. The address is normally set to "A." To set a different address, it is necessary to change the address on the second remote controller. Cover Fig. 13 NOTE Once changed, you cannot restore the original address setting of the air conditioner.
8-2. Removing and Mounting the Drain Hose (1) Before removing the drain hose, remove the cramp from the stopper to check the location of the drain cramp at the end of the hose, and pull the hose out while turning it. (2) To mount the drain hose, insert the hose all the way into the outlet of the drain pan with the drain cramp face down. Then put it in place so that the drain cramp is placed beneath the stopper. After mounting it, be sure to check that the drain hose is firmly mounted.
8-3. Removing the Electrical Component Box (Before replacing the P.C.Board with another, remove the electrical component box from the main body and its cover plate.) (1) Remove the grille. (2) Prior to remove the electrical component box, carry out the following: (2-1) Remove the operating box of the main body and electrical component box pad plate 1. (2-2) Disconnect all the connectors located on the P.C.Board. (2-3) Take wiring out of the electrical component box.
(3) Removing the electrical component box. (3-1) Slightly expand the side of the main body to the right side and unhook the tabs. (3-2) Holding the bottom of the electrical component box while keeping the main body as it is in (3-1) above, release the tab at the top of the electrical component box. Hook Tab Electrical component box Tab Hook Electrical component box (4) Removing the P.C.Board (4-1) Remove the indicator lamp, electrical component box pad plates 3 and 2.
(4-3) Disconnect all the connectors on the P.C.Board. (4-4) Replace the P.C.Board. Tab Remove this tab first, and then remove other tabs while slightly raising the P.C.Board. P.C.Board Electrical component box cover (4-5) Pulling out the lead wire after replacing the P.C.Board. 8-4. Removing the Panel Motor Remove the electrical component box cover according to the previous section. And carry out the procedure up to the "step (4-2) in 8-3. Removing the electrical component box.
8-5. Removing and Mounting the Drain Pan (Air Outlet Ass'y) 8-5-1. Removing the Drain Pan (Air Outlet Ass'y) (1) Remove the hooks (1-1) to (1-3) which secure the drain pan. B. Apply an upper push around here (insulation material), and the hook can be removed. (1-1) Center part below the air outlet A. Frame center lower lever Remove it by sliding toward you. (1-2) Right side drain pan Drain pan Press the back right in the arrow direction, and the hooked part can be released.
(2) Remove the drain pan from the main body so as to roll over the left side first toward you. Heat exchanger Drain pan If it is hard to remove, try to pull down either of these two edges first. NOTE (3) Remove the drain hose according to "(1) of 8-2. Removing and Mounting the Drain Hose." Be careful not to spill the remaining water in the drain pan. 8-5-2. Mounting the Drain Pan (Air Outlet Ass'y) (1) Insert the drain pan from the bottom of the heat exchanger.
(2) Secure the drain pan to the hook. (2-1) Push up A and B in the figure one by one from underneath to secure them to the hook. (2-2) Also secure C to the hook. C. B. Bottom of left back of the drain pan A. Bottom of right back of the drain pan 8-6. Removing the Negative Ion Generator Remove the negative ion electrodes and negative ion P.C.Board from the drain pan (Air Outlet Ass'y). Negative ion electrodes Negative ion P.C.Board Remove the lead wire connector.
8-7. Removing and Mounting the Fan Motor Fan 8-7-1. Removing the Fan Motor Fan mounting screw Remove the electrical component box cover according to the previous section. (1) Loosen the fan mounting screw with a hex wrench of 2.5mm opposite side distance. (2) Remove three screws which secure the fan motor. (3) While removing the fan motor mounting bracket, pull out the fan motor shaft as well.
8-8. Removing the Fan NOTE Be sure to proceed after having removed the drain pan (Air Outlet Ass'y) and fan motor according to sections "8-5. and 8-7." (1) Remove three screws. (2) Uphold the left side of the heat exchanger so that it is not seated anywhere (so as to remove the fan). Pull the fan bearing toward you and remove it, and remove the fan as pulling it from underneath.
8-9. Disconnecting and Connecting Positive Connector for Outdoor Unit One of the two types of connectors illustrated at left is used. Their basic structure is the same for each. How to Disconnect Hold the resin connector cover, and pull the connector off. You cannot disconnect the connector by pulling the wire since it is locked inside. Always hold the cover to disconnect. (See illustration at left.) For the connector without the resin cover, push the lock in the direction of "2" while pulling it off.
9. FUNCTIONS 9-1. Operation Functions Emergency operation SENSOR DRY Emergency operation is available when the remote controller malfunctions, has been lost, or otherwise cannot be used. During DRY operation, the system adjusts the room temperature and fan speed according to the conditions in the room, in order to maintain a comfortable room environment. SENSOR DRY operation DRY operation is as shown in the figure below.
HIGH POWER NIGHT SETBACK This function acts to raise the power but keeps the AC system in the same operating mode. This function is set with the HIGH POWER button on the remote controller. (It can be set regardless of the temperature and fan speed settings.) When NIGHT SETBACK operation is set, the temperature and fan speed settings will be adjusted automatically to allow comfortable sleep. When NIGHT SETBACK operation is set, " mark" appears on the remote controller.
9-2. Protective Functions Overload prevention during heating Cold-air prevention during heating Indoor heat exchanger temperature ( C) During HEAT operation, the temperature of the indoor heat exchanger is used to control the frequency and lessen the load on the compressor before the protective device is activated. Indoor heat exchanger A. Control start B. Control end A Approx. 53 During heating, the fan speed is set to "LL" (very low) or stopped.
Defrost detection and release CT (Peak current cut-off control) This function prevents the circuit breaker or fuse from operating to open the circuit. This function works when electrical current has increased due to an increase in the cooling / heating load, or to a decrease in the power supply voltage. In these cases, operation frequency is reduced or operation is interrupted automatically to control the electrical current for operation.
10. TROUBLESHOOTING 10-1. Precautions before Performing Inspection or Repair After checking the self-diagnostics monitor, turn the power OFF before starting inspection or repair. High-capacity electrolytic capacitors are used inside the outdoor unit controller (inverter).They retain an electrical charge (charging voltage DC 310 V) even after the power is turned OFF, and some time is required for the charge to dissipate. Be careful not to touch any electrified parts before the controller LED (red) turns OFF.
(1) Self-diagnostics Lamps (3) ION lamp (2) TIMER lamp (1) OPERATION lamp If there is no trouble, the lamps neither blink nor illuminate. Since the indications cover various units, the corresponding parts listed below may not be present in some models. .... OFF Indication on indoor unit Ion Timer Operation (3) (2) (1) Code Diagnostics item S01 Room temperature sensor failure S02 Indoor heat exchanger sensor failure S03 Humidity sensor failure S04 NOTE .... Blinking ....
(2) If the self-diagnostics function fails to operate No indicators illuminate and the indoor fan does not rotate. Check the power voltage. Check the indoor unit. Blown Is the fuse blown? Normal Replace the circuit board or the fuse. Replace the controller. 10-3. Checking the Indoor and Outdoor Units (1) Checking the indoor unit No. Control Check items (unit operation) 1 Press EMERGENCY OPERATION button of main unit controller, or start operation using the remote controller.
10-4. Trouble Diagnosis of Indoor and Outdoor Fan Motor 10-4-1. Indoor Fan Motor This indoor DC fan motor contains an internal control PCB. Therefore, it is not possible to measure the coil resistance, and the following procedure should be used to check the motor. To perform diagnosis, operate the unit in cooling mode with indoor fan speed "High". Next, make sure that the indoor unit receive the signals from the remote controller when the ON/OFF operation button is pressed.
10-4-2. Outdoor Fan Motor This outdoor DC fan motor contains an internal control PCB. Therefore, it is not possible to measure the coil resistance, and the following procedure should be used to check the motor. To perform diagnosis, follow the instructions in "Checking the Outdoor Unit" on the previous page and set the outdoor unit to Test Run mode (compressor ON, outdoor fan motor ON). Important: (A) Turn OFF the power before connecting or disconnecting the motor connectors.
10-5. Noise Malfunction and Electromagnetic Interference An inverter A/C operates using pulse signal control and high frequencies. Therefore, it is susceptible to the effects of external noise, and is likely to cause electromagnetic interference with nearby wireless devices. A noise filter is installed for ordinary use, preventing these problems. However, depending on the installation conditions, these effects may still occur. Please pay attention to the points listed below.
10-6. Checking and Troubleshooting when the Front Panel fails to work 10-6-1. Checking the Front Panel when it fails to work during operation (1) Is the grille mounted in place? (Check in particular that the upper right screw is adequately tightened.) Upper right screw Grille Screw Flap Screw cover (2) Are the five levers on the rear of the front panel tightened? The figure shows the loosened condition. If the levers are in loosen, the front panel does not work correctly.
10-6-2. Making a Diagnosis of the Panel Motor (1) If no abnormality was found in (1) to (3) of the previous section, then carry out diagnosis of the panel motor, which activated the front panel. (2) Remove the panel motor connector from the indoor P.C. Board. P.C.Board Panel motor Panel motor connector Electrical component box cover NOTE For details, see "8-3. Removing the electrical component box" in Maintenance section.
11. CHECKING ELECTRICAL COMPONENTS 11-1. Measurement of Insulation Resistance Ground wire Clip The insulation is in good condition if the resistance exceeds 1M ohm. Probe 11-1-1. Power Supply Cord Insulation tester Clamp the grounding wire of power cord with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of the two power wires. (Fig. 1) Then also measure the resistance between the grounding and other power terminals. (Fig. 1) Fig.
11-2. Checking Continuity of Fuse on PCB Ass'y Fuse Remove the PCB Ass'y from the electrical component box. Then pull out the fuse from the PCB Ass'y. (Fig. 5) Check for continuity using a multimeter as shown in Fig. 6. PCB Ass'y Fig. 5 Fuse Fig.
12. REFRIGERANT R410A: SPECIAL PRECAUTIONS WHEN SERVICING UNIT 12-1. Characteristics of New Refrigerant R410A 12-1-1. What is New Refrigerant R410A? R410A is a new refrigerant that contains two types of pseudo-non-azeotropic refrigerant mixture. Its refrigeration capacity and energy efficiency are about the same level as the conventional refrigerant, R22. 12-1-2. Components (mixing proportions) HFC32 (50%) / HFC125 (50%) 12-1-3.
Tubing precautions Refrigerant R410A is more easily affected by dust or moisture compared with R22, thus be sure to temporarily cover the ends of the tubing with caps or tape prior to installation. Never use 0.7mm-thick copper tubing or tubing which is less than 0.8mm in thickness, since air conditioners with R410A are subject to higher pressure than those using R22 and R407C. No addition of compressor oil for R410A No additional charge of compressor oil is permitted.
12-3. Tools Specifically for R410A For servicing, use the following tools for R410A Tool Distinction Tool Name Gauge manifold Charging hose Gas leak detector Refrigerant cylinder Charging cylinder Refrigerant recovery unit Tools specifically for R410A Vacuum pump with anti-reverse flow (*1) (Solenoid valve-installed type, which prevents oil from flowing back into the unit when the power is off, is recommended.) Vacuum pump (*2)...can be used if the following adapter is attached.
12-5. In Case of Compressor Malfunction CAUTION Should the compressor malfunction, be sure to make the switch to a replacement compressor as quickly as possible. Use only the tools indicated exclusively for R410A. Specifically for R410A." See "12-3. Tools 12-5-1. Procedure for Replacing Compressor (1) Recovering refrigerant Any remaining refrigerant inside the unit should not be released to the atmosphere, but recovered using the refrigerant recovery unit for R410A.
(5) Recharging Configuration and characteristics of cylinders Be sure to charge the specified amount of refrigerant in liquid state using the service port of the wide tube service valve. The proper amount is listed on the unit's nameplate. Valve When the entire amount cannot be charged all at once, charge gradually while operating the unit in Cooling Operation. Liquid CAUTION Never charge a large amount of liquid refrigerant at once to the unit. This may cause damage to the compressor.
12-6. In Case Refrigerant is Leaking CAUTION Never attempt to charge additional refrigerant when refrigerant has been leaking from the unit. Follow the procedure described below to locate points of leaks and carry out repairs, then recharge the refrigerant. (1) Detecting Leaks Use the detector for R410A to locate refrigerant leak points.
12-7. Charging Additional Refrigerant 12-7-1. When Tubes are Extended Observe the proper amount of refrigerant as stated in this service manual or the installation manual that came with the indoor unit. Charge additional refrigerant in liquid state only. CAUTION Never charge additional refrigerant if refrigerant is leaking from the unit. Follow instructions given in "12-6. In Case Refrigerant is Leaking" and completely carry out repairs. Only then should you recharge the refrigerant. 12-8.
APPENDIX INSTRUCTION MANUAL SAP-KRV94EHDX + SAP-CRV94EHDX SAP-KRV124EHDX + SAP-CRV124EHDX (OI-852-6-4180-791-00-0) 60
01_SAP-KRV94EHDX_EN.fm Page 2 Monday, August 15, 2005 7:05 PM Features This air conditioner is an inverter type unit that automatically adjusts capability as appropriate. Details on these functions are provided below; refer to these descriptions when using the air conditioner. • Microprocessor Controlled Operation The interior compartment of the remote control unit contains several features to facilitate automatic operation, easy logically displayed for easy use.
01_SAP-KRV94EHDX_EN.fm Page 3 Monday, August 15, 2005 7:05 PM Contents Page Features ............................................................................................................ 2 Product Information........................................................................................... 3 Alert Symbols.................................................................................................... 3 Installation Location ................................................................
01_SAP-KRV94EHDX_EN.fm Page 4 Monday, August 15, 2005 7:05 PM Installation Location • We recommend that this air conditioner be installed properly by qualified installation technicians in accordance with the Installation Instructions provided with the unit. Before installation, check that the voltage of the electric supply in your home or office is the same as the voltage shown on the nameplate.
01_SAP-KRV94EHDX_EN.fm Page 5 Monday, August 15, 2005 7:05 PM Names of Parts Air intakes INDOOR UNIT Air outlet Remote control unit Drain hose Refrigerant tubes OUTDOOR UNIT Air outlet NOTE This illustration is based on the external view of a standard model. Consequently, the shape may differ from that of the air conditioner which you have selected. This air conditioner consists of an indoor unit and an outdoor unit. You can control the air conditioner with the remote control unit.
01_SAP-KRV94EHDX_EN.fm Page 6 Monday, August 15, 2005 7:05 PM Unit Display and Operation Button IMPORTANT FI TER FILTE RESET INDOOR UNIT Avoid using radio equipment such as mobile phone near (within 1 m) the remote control receiver. Some radio equipment may cause malfunction of the unit. FILTER RESET button OPERATION button ON / OFF TEST TEST mode button REMOTE CONTROL receiver If the trouble happens, disconnect power and restart the air conditioner after a few minutes.
01_SAP-KRV94EHDX_EN.fm Page 7 Monday, August 15, 2005 7:05 PM Remote Control Unit (Display) Displayed when transmitting data Displayed when setting temperature Displayed when indoor unit sensor is in use Displayed when temperature is shown Displayed when setting timer Displayed when the time display is set to 12-hour time Symbols (1) Operation mode AUTO ........................................ (5) NIGHT SETBACK ..................... HEAT .........................................
01_SAP-KRV94EHDX_EN.fm Page 8 Tuesday, August 30, 2005 6:40 PM Remote Control Unit Transmitter Sensor Display NIGHT SETBACK button LED CLEAN button ON/OFF operation button FAN SPEED HIGH POWER selector button button SENSOR button 1.2.3.5HR.
01_SAP-KRV94EHDX_EN.fm Page 9 Monday, August 15, 2005 7:05 PM Remote Control Unit (continued) ON TIME/OFF TIME setting buttons MODE selector button No display: The timer does not operate. : The air conditioner starts at the set time. : The air conditioner stops at the set time. : The air conditioner stops and starts, or starts and stops, at the set times every day. For details, see “Setting the Timer”. Use this button to select AUTO, HEAT, DRY, COOL or FAN mode.
01_SAP-KRV94EHDX_EN.fm Page 10 Monday, August 15, 2005 7:05 PM Remote Control Unit (continued) SENSOR button NOTE When you press this button (use a small-tipped object such as a ballpoint pen), the mark will appear at the display. And the room temperature is detected by the sensor which is built into the indoor unit and the air conditioner is controlled accordingly.
01_SAP-KRV94EHDX_EN.fm Page 11 Tuesday, August 23, 2005 8:45 AM Using the Remote Control Unit (continued) NOTE • • • • How to Use the Remote Control Unit The batteries last about six months, depending on how much you use the remote control unit. Replace the batteries when the remote control unit’s display fails to light, or when the remote control cannot be used to change the air conditioner’s settings. Use two fresh leak-proof type-AAA alkaline batteries.
01_SAP-KRV94EHDX_EN.fm Page 12 Monday, August 15, 2005 7:05 PM Operation with the Remote Control Unit 1. Automatic Operation This unit automatically switches between cooling operation and heating operation according to the difference between the room temperature and the temperature setting. STEP 2 STEP 1 NOTE Check that the circuit breaker on the power panel is turned on.
01_SAP-KRV94EHDX_EN.fm Page 13 Monday, August 15, 2005 7:05 PM Operation with the Remote Control Unit (continued) 2. Manual Operation (Cover closed) (Cover opened) STEP 2 STEP 1 STEP 4 STEP 5 STEP 3 NOTE Check that the circuit breaker on the power panel is turned on. If the automatic operation settings of the unit do not meet your needs, press the setting buttons as described below and change the settings as desired. STEP 1 Press the MODE selector button and select the desired mode.
01_SAP-KRV94EHDX_EN.fm Page 14 Monday, August 15, 2005 7:05 PM Operation with the Remote Control Unit (continued) NOTE • Choose the best position in the room for the remote control unit, which also acts as the sensor for room comfort and transmits the operating instructions. Once you’ve found this best position, always keep the remote control unit there. • This appliance has a built-in 5-minute time delay circuit to ensure reliable operation.
01_SAP-KRV94EHDX_EN.fm Page 15 Monday, August 15, 2005 7:05 PM Operation with the Remote Control Unit (continued) 5. Night Setback Mode Night Setback Mode is used for saving energy. Press the NIGHT SETBACK button while operation. The mark appears in the display. To release the night setback function, press the NIGHT SETBACK button again. A.
01_SAP-KRV94EHDX_EN.fm Page 16 Tuesday, August 30, 2005 6:41 PM Operation with the Remote Control Unit (continued) 6. QUIET Mode QUIET Mode is used to reduce the fan sound of the indoor unit. Press the QUIET button. The mark appears in the display. To cancel, press QUIET button again. • • In QUIET Mode, the fan rotates at a slower speed than the fan speed setting. If the unit is already operating with a very low airflow, the fan sound may not change even if the QUIET button is pressed. 7.
01_SAP-KRV94EHDX_EN.fm Page 17 Tuesday, August 30, 2005 6:43 PM Special Remarks ‘‘DRY’’ ( ) Operation How it works? • • • Heating ( Once the room temperature reaches the level that was set, the unit’s operation frequency is changed automatically. During DRY operation, the fan speed is automatically set to Low speed for providing a comfortable breeze. ‘‘DRY’’ operation is not possible if the indoor temperature is 15 °C or less.
01_SAP-KRV94EHDX_EN.fm Page 18 Monday, August 15, 2005 7:05 PM Setting the Timer NOTE 1. How to set the present time In the descriptions below, the following settings are used for the temperature and time indicator selector button on the bottom front section of the remote control. • Temperature: °C (Example) To set to 22:30. Operation 2. How to set the OFF time 18 Indication 1. Press the CLOCK button once if the time indicator is not flashing. The time indication alone flashes. 2.
01_SAP-KRV94EHDX_EN.fm Page 19 Monday, August 15, 2005 7:05 PM Setting the Timer (continued) 3. How to set the ON time (Example) To start operation at 6:10. Operation 4. How to set DAILY ON/OFF REPEAT timer Indication 1. Press the ON TIME setting button once. The timer indication is displayed, and the present ON time is shown. 2. Press the Advance, Return ( , ) button until 6:10 is displayed. The timer indication blinks. The time can be set in 10-minute increments.
01_SAP-KRV94EHDX_EN.fm Page 20 Monday, August 15, 2005 7:05 PM Using the 1.2.3.5-Hour OFF Timer 1. 1.2.3.5-Hour OFF Timer This function causes the unit to operate for 1, 2, 3 or 5 hours and then stop, regardless of whether the unit is on or off when the button is pressed. The timer indicator in the display indicates that this function is operating. Setting procedure: Regardless of whether the unit is on or off, press the 1.2.3.5-Hour Timer button and select as desired, 1, 2, 3 or 5 hours.
01_SAP-KRV94EHDX_EN.fm Page 21 Monday, August 15, 2005 7:05 PM Adjusting the Airflow Direction The horizontal and vertical airflow can be adjusted by moving the vertical vanes and the flap with the remote control unit. Confirm that the remote control unit has been turned on. Use the FLAP button to set either the sweep function or one of the six airflow direction settings. CAUTION When the humidity is high, the vertical vanes should be in the front position during the cooling or dehumidifying operation.
01_SAP-KRV94EHDX_EN.fm Page 22 Monday, August 15, 2005 7:05 PM Operation without the Remote Control Unit INDOOR UNIT If you have lost the remote control unit or it has trouble, follow the steps below. FILTER FI RESET ON / OFF TEST FILTER RESET button When the air conditioner is not running Each time the OPERATION button is pressed with a small pointed OPERATION button tool, the operation mode changes cyclically, by changing the color of the OPERATION lamp.
01_SAP-KRV94EHDX_EN.fm Page 23 Monday, August 15, 2005 7:05 PM Care and Cleaning (continued) Remounting the front panel • • • CAUTION Anti-Mold Filter How to remove the anti-mold filter Reattach the subgrille onto the front panel then tighten the five levers. Support the nearest point of the front panel keeping it horizontal then push arm axis to the grooves at the top of the indoor unit. Press the locations marked by the arrows and close the front panel.
01_SAP-KRV94EHDX_EN.fm Page 24 Tuesday, August 23, 2005 8:46 AM Care and Cleaning (continued) Air Clean Filter The air clean filter removes dust and dirt from the air, and reduces odors and smoke from tobacco. This air clean filter cannot remove harmful gases or vapors nor ventilate air in the room. You must open doors or windows frequently when you use gas or oil heating appliances. Otherwise there is a risk of suffocation in extreme cases.
01_SAP-KRV94EHDX_EN.fm Page 25 Monday, August 15, 2005 7:05 PM Troubleshooting If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work properly, contact your dealer or service center. Trouble Air conditioner does not run at all. Possible Cause Remedy 1. Power failure. 1. Restore power. 2. Leakage circuit breaker tripped. 2. Contact service center. 3. Line voltage is too low. 3. Consult your electrician or dealer. 4.
SANYO Electrric co., Ltd. Osaka, Japan Sept.
