SINGLE ZONE Heat pump 60Hz/R410A 6CSL0-01B (Replaces 6CSL0-01A)
SINGLE ZONE • General Information • Indoor Units • Outdoor Units • Design and installation
SINGLE ZONE Introduction Preface New era brings more sophisticated and advanced buildings which in turn demands specialized and optimized direct expansion air conditioning systems. Also energy efficiency, environment friendly, low noise and low maintenance cost are the features which are essential for these systems. As a part of vertical integration LG makes all the key components in house, which gives an edge to LG to make better and latest technology products with best quality in optimized time.
SINGLE ZONE Step by step SINGLE ZONE system selection process (reference) (1) Calculate or obtain the maximum heat load for the area(s) to be air conditioned Indoor unit specifications (2) Outdoor unit specifications Capacity coefficient factor Air flow and temperature distributions Selection of the control system (3) Control wiring method Description of devices Electrical wiring Electrical characteristics (4) Field wiring CAUTION 1.
SINGLE ZONE Part 1 General information 1. Model Line up 2. Nomenclature 3.
SINGLE ZONE 1. Model Line up 1.1 Indoor Units Category Type Chassis Capacity, Btu/h(kW) 24,000 (7.03) TP Ceiling cassette 42,000 (12.3) ATNH24GPLE2 [LCN247HV] 4way ATNH42GMLE2 [LCN427HV] TM 1.2 Outdoor Units Btu/h 24,000 42,000 kW 7.03 12.
SINGLE ZONE 2. Nomenclature General Information of Outdoor Units 2.1 Indoor Units (Global) A T N H 2 4 G P L E 2 Serial number Functions E : Elevation grille Look L : Basic Chassis name Electric ratings (Volts, Phase, Freq) G : 220-240V, 1Ø, 50Hz 208/230V, 1Ø, 60Hz Nominal cooling capacity in kBtu/h 24 : 24kBtu/h 42 : 42kBtu/h Model type H : Heat Pump Indicates that this is a indoor unit for R410A ATN : Ceiling cassette type indoor unit 2.
SINGLE ZONE 3. Individual Control System 3.1 Control systems (standard) Type Individual controller Wired remote controller Applicable model Ceiling cassette PQRCVSL0QW Heat pump 60Hz/R410A _ 3 General Information of Outdoor Units These controllers will be provided with the respective indoor units.
SINGLE ZONE Part 2 Product data n Indoor units n Outdoor units
SINGLE ZONE n Indoor units Ceiling cassette 4-way 1.1 List of functions 1.2 Specifications 1.3 Dimensions 1.4 Piping diagrams 1.5 Wiring Diagrams 1.6 Air flow and temperature distributions (reference data) 1.7 Sound levels 1.
SINGLE ZONE 1. Ceiling cassette 4-way 1.
SINGLE ZONE 1. Ceiling cassette 4-way 1.2 Specifications V, Ø, Hz W A mm inch kg (lbs) ATNH24GPLE2 [LCN247HV] 208/230, 1, 60 60 0.60 840 × 204 × 840 33-1/16 x 8-1/32 x 33-1/16 20.5 (45.2) ATNH42GMLE2 [LCN427HV] 208/230, 1, 60 120 1.00 840 × 288 × 840 33-1/16 x 11-11/32 x 33-1/16 24.6 (54.
SINGLE ZONE 1. Ceiling cassette 4-way ATNH24GPLE2 [LCN247HV] TP Chassis 1.
SINGLE ZONE ATNH42GMLE2 [LCN427HV] Indoor Units TM Chassis 1.
SINGLE ZONE 1. Ceiling cassette 4-way 1.
SINGLE ZONE 1. Ceiling cassette 4-way 1.
SINGLE ZONE 1. Ceiling cassette 4-way 1.6 Air flow and temperature distributions (reference data) Models : ATNH24GPLE2 [LCN247HV] Cooling Heating Discharge angle: 40° Discharge angle: 50° Air velocity [ft/s] Air velocity [ft/s] 9ft 6.6 6.6 9ft 7ft 7ft 6.6 4.6 10ft 3.3 3.3 3.3 13ft 3ft 4.6 7ft 3ft 0ft 3ft 0ft 13ft 10ft 13ft 10ft 7ft 3ft 3.3 1.6 1.
SINGLE ZONE 1. Ceiling cassette 4-way 1.7 Sound levels Overall Notes: - Sound measured at 4.9ft away from the center of the unit. - Data is valid at free field condition. - Data is valid at nominal operation condition. - Reference accoustic pressure 0dB=20μPa. - Sound level will vary depending on a range of factors such as the construction(acoustic absorption coefficient) of particular room in which the equipment is installed. - The operating conditions are assumed to be standard. Ceiling 4.
SINGLE ZONE 1. Ceiling cassette 4-way 1.8 Controller Wired remote controller Model name : PQRCVSL0QW (White Color_Supplied) / PQRCVSL0 (Black Color_Accessory) 1 10 9 8 2 3 7 4 11 12 13 5 Indoor Units 6 14 15 Please attach the inform label inside of the door. Please choose proper language depend on your country.
SINGLE ZONE n Outdoor units DC Inverter SINGLE ZONE 1. Power supply 2. List of functions 3. Specifications 4. Dimensions 5. Piping diagrams 6. Wiring diagrams 7. Capacity tables 8. Capacity coefficient factor 9. Operation range 10. Electrical characteristics 11. Field wiring diagram 12.
SINGLE ZONE 1. DC Inverter SINGLE ZONE 1.1 Power supply Type Outdoor unit Capacity (kBtu/h) Circuit breaker capacity 1Phase AUUW24GD2 [LUU247HV] 24.0 30A Inverter AUUW42GD2 [LUU427HV] 42.0 40A Power supply Voltage range 208/230V, 1Ø, 60Hz MIN.:187 MAX.:253 External wiring procedure - The power supply work is needed only to the outdoor unit. The power supply to the BD unit and the indoor unit is conducted through the communication wiring.
SINGLE ZONE 1. DC Inverter SINGLE ZONE 1.
SINGLE ZONE 1. DC Inverter SINGLE ZONE 1.3 Specifications kW Min.∼Rated∼Max. Btu/h 9,700 ~ 24,000 ~ 26,700 17,100 ~ 42,000 ~ 47,100 Min.∼Rated∼Max. kW 3.20 ~ 7.91 ~ 8.80 5.00 ~ 13.8 ~ 15.4 Min.∼Rated∼Max. Btu/h 10,900 ~ 27,000 ~ 30,000 17,100 ~ 47,000 ~ 52,600 Rated Rated Rated Rated kW kW A A Btu/h·W Btu/h·W 1.91 2.60 10.5 14.2 12.56 / 17.00 / 9.70 4.07 4.05 19.0 22.0 10.31 / 17.00 / 8.
SINGLE ZONE 1. DC Inverter SINGLE ZONE Model Name AUUW24GD2 [LUU247HV] AUUW42GD2 [LUU427HV] V , Ø , Hz Cooling Max. A Starting Current Heating Max. A Wiring Connections Power Supply Cable (included Earth) No. x mm2 (AWG) 208/230, 1, 60 3C x 2.5 (12) 208/230, 1, 60 3C x 5.0 (10) Warm Gray 950 × 834 × 330 37-13/32 x 32-27/32 x 13 60.0 (132.3) Twin Rotary GJT240MAA x 1 BLDC 2,137 x 1 R410A 2,000 (70.5) 7.6 (25.0) 40 (0.
SINGLE ZONE 1. DC Inverter SINGLE ZONE AUUW24GD2 [LUU247HV] U4 Chassis 1.
SINGLE ZONE AUUW42GD2 [LUU427HV] Outdoor Units U3 Chassis 1.
SINGLE ZONE 1. DC Inverter SINGLE ZONE 1.5 Piping diagrams Outdoor Unit Refrigerant Flow Condenser Out Temperature Thermistor Cooling Heating Inlet Air Temperature Thermistor Condensing Temperature Thermistor Ø9.52 (3/8) Flare Connection M Strainer Liquid Side Piping Strainer M 42k model only Outdoor Units Electronic Expansion Valve Pressure Sensor Gas Side Piping 4 way Valve Ø15.
SINGLE ZONE 1. DC Inverter SINGLE ZONE 1.
SINGLE ZONE 1. DC Inverter SINGLE ZONE 1.7 Capacity tables Models : AUUW24GD2 [LUU247HV] + ATNH24GPLE2 [LCN247HV] • Cooling Capacity 68.0 / 57.2 TC SHC PI 23.53 19.68 1.05 22.51 19.05 1.10 21.13 18.28 1.48 20.49 17.66 1.65 19.59 17.12 1.81 19.05 16.52 1.78 18.51 16.01 1.59 17.43 15.23 1.37 71.6 / 60.8 TC SHC PI 24.98 19.94 1.43 23.95 19.34 1.44 22.57 18.63 1.75 21.92 18.03 1.87 21.02 17.53 1.95 20.48 16.95 1.86 19.94 16.46 1.61 18.80 15.68 1.35 Indoor Air Temperature : °FDB / °FWB 77.0 / 64.4 80.6 / 66.
SINGLE ZONE 1. DC Inverter SINGLE ZONE Models : AUUW42GD2 [LUU427HV] + ATNH42GMLE2 [LCN427HV] Outdoor Units • Cooling Capacity Outdoor Air Temperature °FDB 68.0 77.0 89.6 95.0 104.0 109.4 114.8 118.4 68.0 / 57.2 TC SHC PI 41.18 34.00 2.25 39.39 32.90 2.35 36.98 31.57 3.15 35.86 30.51 3.52 34.29 29.58 3.86 33.34 28.54 3.79 32.40 27.65 3.40 30.50 26.31 2.93 71.6 / 60.8 TC SHC PI 43.72 34.45 3.05 41.91 33.41 3.07 39.50 32.18 3.72 38.36 31.14 3.99 36.78 30.28 4.16 35.84 29.27 3.96 34.90 28.42 3.44 32.
SINGLE ZONE 1. DC Inverter SINGLE ZONE 1.8 Capacity coefficient factor 1) Rate of change in capacity due to the Main piping length Rate of change in cooling capacity Piping length(m(ft)) Rate of change in capacity(%) 5(16.4) 10(32.8) 15(49.2) 20(65.6) 30(98.4) 40(131.2) 50(164.0) 60(196.9) 70(229.7) 75(246.0) 24k 100 99.3 97.9 96.6 93.8 91.1 88.4 - - - 42k 100 99.3 97.9 96.6 93.8 91.1 88.4 85.6 82.9 81.5 Rate of change in heating capacity Piping length(m(ft)) 24k 100 99.7 99.
SINGLE ZONE 1. DC Inverter SINGLE ZONE 1.9 Operation range Cooling Heating 122 118.4 113 95 86 77 77 Continuous Operation 68 64.4 59 59 50 41 32 23 14 41 32 23 Continuous Operation 14 5 -0.4 -4 5 -4 41 50 Warming up Operation 68 Outdoor Temp. [°F WB] Outdoor Temperature [°F DB] Outdoor Units 104 50 53.6 59 68 73.4 77 Indoor Temperature [°F WB] 12 _ Heat pump 60Hz/R410A 82.4 -13 50 59 60.8 68 77 Indoor Temp. [°F DB] 86 91.
SINGLE ZONE 1. DC Inverter SINGLE ZONE 1.10 Electric characteristics Unit Model AUUW24GD2 [LUU247HV] AUUW42GD2 [LUU427HV] Power Phase Hz Voltage MCA MOP 1Ø 60 Min.:187, Max.:253 18.1 31.6 24.1 41.6 - 15.5 17.5 OFM kW FLA 0.124 0.6 0.124 x 2 0.
SINGLE ZONE 1. DC Inverter SINGLE ZONE 1.11 Field wiring diagrams 1. All wiring must comply with LOCAL REGULATIONS. 2. Select a power source that is capable of supplying the current as required by the air conditioner. 3. Feed the power source to the unit via a distribution switch board designed for this purpose. 4. The terminal screws inside the control box may be loose due to vibration during transport. Check the screws for loose connection.
SINGLE ZONE 1. DC Inverter SINGLE ZONE 1.12 Sound levels Overall Notes: - Sound measured at 3.3ft away from the center of the unit. - Data is valid at free field condition - Data is valid at nominal operation condition - Reference accoustic pressure 0dB = 20μPa - Sound level will vary depending on a range of factors such as the construction(acoustic absorption coefficient) of particular room in which the equipment is installed. - The operating conditions are assumed to be standard 4.9ft D 3.
SINGLE ZONE Design and installation 1. General installation guideline 2. Guideline for each installation process 3. Installation of indoor unit 4.
SINGLE ZONE 1. General installation guideline 1.1 Installation process & Guideline Striking a balance between system installation & general construction work.
SINGLE ZONE 1. General installation guideline 1.2 Checking the drawing Installation procedure Determination of work scope Check and confirm required loads calculation, model selection, drawings etc. Preparation of contract drawings Make a relationship between outdoor ,indoor controller and option connection clear.
SINGLE ZONE 2. Guideline for each installation process 2.1 Sleeve and insert work 2.1.1 Positioning of the pipe holes 1. The through holes for the drain piping should be positioned such that pipes have a downward gradient (the gradient must be at least 1/100.The thickness of the insulating materials must also be taken into consideration.) 2. The diameter of the through holes for the refrigerant piping should include an allowance for the thickness of the heat insulation materials. 3.
SINGLE ZONE 2. Guideline for each installation process 2.1.3 Sleeve type Sleeve Insulation Pipe NOTE Sleeve type should be considered as per local regulation & laws. CAUTION 1. In high voltage generation places, water-proof flexible conduit should be used. (in substation room, in elevator room) 2. Conduit should be chosen in accordance with electrical installation regulation. NOTE Cable conduit should be considered under the local regulation & laws.
SINGLE ZONE 2. Guideline for each installation process 2. Support work. Insulated U-bolt type supporting Insulated O-ring band type supporting Bolt Foam resin Bolt 1.5t plate PVC PVC Saddle supporting Supporting interval 1.5(4.92)~2.0(6.56) m(ft) CAUTION During saddle supporting work, insulation should not be pressed by saddle as this can lead to tearing of insulation and thus falling of condensed water during product operation.
SINGLE ZONE 2. Guideline for each installation process 2.2 Refrigerant piping work 2.2.1 Principles of refrigerant piping The “ principles of refrigerant piping “ must be strictly observed.
SINGLE ZONE 2. Guideline for each installation process 2.2.2 Flaring work Main cause for gas leakage is due to defect in flaring work. Carry out correct flaring work in the following procedure. Cut the pipes and the cable. ① Use the piping kit accessory or the pipes purchased locally. ② Measure the distance between the indoor and the outdoor unit. Copper tube Slanted Uneven Rough 90° ③ Cut the pipes a little longer than measured distance. ④ Cut the cable 1.5(4.92) m(ft) longer than the pipe length.
SINGLE ZONE 2. Guideline for each installation process NOTE Choice of material for refrigerant piping Copper pipe selection a. The wall thickness of the refrigerant piping should comply with relevant local and national regulation for R410A the design pressure is 3.8MPa(551.1psi) b. If not, we recommend to use with phosphorus deoxidized copper type c. Generally used copper pipe specifications as follows; Unit : mm(inch) Thickness Size(ø)mm(inch) R22 R410A 6.35(1/4) 0.7(0.028) 0.8(0.031) 9.52(3/8) 0.
SINGLE ZONE 2. Guideline for each installation process NOTE Flange connection and procedure 1) Cut the pipe using a pipe cutter. 7) Apply refrigerant oil on the inside and outside of the flared section. (Do not apply SUNISO oil) (Be careful to keep dust away) 2) The cut edge has burrs. (the amount of burrs becomes larger when pipe wall is thick) 8) Tighten the flare nut.
SINGLE ZONE 2. Guideline for each installation process 2.2.3 Pipe connection flaring NOTE 1. After installation completion make sure to open the valve. operating the unit with the valve shut off will destroy the compressor (Refer to the Additional refrigerant charge detail information) 2. Use R410A to add refrigerant. All field piping must be installed by a licensed refrigeration technician 3. Must comply with local and national standard regulations.
SINGLE ZONE 2. Guideline for each installation process 2.2.4 Brazing work CAUTION Brazing of refrigerant piping : The following precaution should be taken. 1. Do not use flux when brazing copper to copper refrigerant piping. (Particularly for the HFC refrigerant piping) Therefore, use the phosphor copper brazing filler metal (BCuP) which does not require flux. (Flux has extremely harmful influence on refrigerant piping systems.
SINGLE ZONE 2. Guideline for each installation process Brazing work should be carried out either downwards or sideways. An upward direction should be avoided wherever possible(to prevent leakage). over 10(3/8) mm(inch) over 10(3/8) mm(inch) N2 N2 (Expending pipe brazing) (Pipe brazing with socket) N2 N2 (Flare part brazing) (Butt-brazing) Table 1: Correlation of nozzle tip and size of refrigeration piping [Unit:mm(inch] Brazing filler diameter Ø Nozzle tip No.
SINGLE ZONE 2. Guideline for each installation process 2.2.5 Refrigerant pipe flushing Flushing is a method of cleaning extraneous matter out of pipes using pressurized gas. NOTE Refrigerant pipe flushing of 3 major effects 1. Removal of oxidation bubbles formed inside copper pipes when “nitrogen replacement is insufficient” during soldering work 2. Removal of extraneous material and moisture from pipes when covering has been insufficient 3.
SINGLE ZONE 2. Guideline for each installation process 2.3 Drain piping work The purpose of drain piping is to prevent damage of products and ceiling materials by proper draining of dew condensation which is generated from the evaporator of indoor unit when the hot vapors come in contact with the evaporator. 1.
SINGLE ZONE 2. Guideline for each installation process 2.3.1 Drain pipe slope and support • Slope gradient for drain should be 1/50~1/100 and PVC pipes should be used. • Support hanger should be at 1(3.28)~1.5(4.92) (m(ft)) interval to prevent from loosing and dropping. • Drain pipe insulation : The inside temperature of drain pipe is about 10℃(50℉). When high temperature and humidity air touches the surface of pipe, dew condensation occurs.
SINGLE ZONE 2. Guideline for each installation process 2.3.2 Drain pipe trap Models with drain pump: 300(11 13/16) or less PVC elbow Max.
SINGLE ZONE 2. Guideline for each installation process 2.3.3 Caution for drain piping work Notice on drain working 1. Drain pipe should be insulated all connected joints and ends. Sharp crook Sharp crook CAUTION Flexible tube should be connected with clamp concentrically. If not, water will leak from the connection. Installation of Outdoor Units 2.
SINGLE ZONE 2. Guideline for each installation process Drain pipe insulation - Drain pipe should be insulated all connected joints and ends. Insulation not required Insulation required Loose fitting wrong insulation - Do not use the loose fitting insulation. Drain water leakage test - Water leakage test should be performed 24 hours later after drain work finishing. Installation of Outdoor Units - In the test, only water should be used. Other liquids are unacceptable.
SINGLE ZONE 2. Guideline for each installation process 2.4 Insulation work 2.4.1 Insulation 1) Operational steps 1 EPDM length should be more longer than pipe length. Do not extend EPDM by force. 2 Put the pipe in EPDM insulation carefully so that the pipe will not get damaged with EPDM. 3 Bond on both side of cut surfaces 4 Dry it until it becomes thick, sticky of move sure to use the correct type and does not get detached. of bond for EPDM cut surface attaching.
SINGLE ZONE 2. Guideline for each installation process 2.4.2 Forming the piping 1) Form the piping by wrapping the connecting portion of the indoor unit with insulation material and secure it with two kinds of vinyl tape. • If you want to connect an additional drain hose, the end of the drain outlet should be routed above the ground. Secure the drain hose appropriately. 2) In cases where the outdoor unit is installed below the indoor unit perform the following.
SINGLE ZONE 2. Guideline for each installation process 2.4.3 Essential points of thermal insulation 1) Thermal insulation of refrigerant piping Be sure to give insulation work to refrigerant piping by covering liquid pipe and gas pipe separately with enough thickness heat-resistant insulation materials, so that no gap is observed in the joint between indoor unit and insulating material, and insulating materials themselves.
SINGLE ZONE 2. Guideline for each installation process 3) Insulation tube thickness ① Thickness decision of insulation tube • Insulation material: EPDM or polyethylene foam • Thermal conductivity 0.035 kcal~0.040kcal/m·h°C(0.024~0.027Btu/ft·h℉) • Heat resistance = 212°F(Cooling only) or more 248°F(Heat pump) or over ② The thickness of the thermal insulation material must be determined in the light of the pipe sizes. Pipe size Thickness of insulation material 6.35(1/4) ~ 25.
SINGLE ZONE 2. Guideline for each installation process 2.5 Electrical work 2.5.1 Precautions CAUTION When knocking out knock holes • To punch a knock hole, hit on it with a hammer. • After knocking out the holes, we recommend you paint the edges and areas around the edges using paint to prevent rusting. • When passing electrical wiring through the knock holes, remove any burrs from the knock holes and wrap the wiring with protective tape to prevent damage.
SINGLE ZONE 2. Guideline for each installation process • Use only copper wires. • Make sure to shut down the power before starting the electric wiring work. Do not set ON any switch until the work is completed. • The outdoor unit has an inverter compresser which generates noise and charges the outer casing with the leakag current. The outdoor unit should be grounded so that the effect of the generated noise on othe equipment can be reduced, and that the outer casing can be discharged.
SINGLE ZONE 2. Guideline for each installation process 2.5.2 Control wiring / power supply 1) All wiring must comply with LOCAL REGULATIONS. 2) Select a power source that is capable of supplying the current as required by the air conditioner. 3) Feed the power source to the unit via a distribution switch board designed for this purpose. 4) The terminal screws inside the control box may be loose due to vibration during transport. Check the screws for loose connection.
SINGLE ZONE 2. Guideline for each installation process Connecting the cable to Outdoor Unit • Remove the side panel for wiring connection. • Use the cord clamp to fix the cord. • Earthing work - Case 1 :Terminal block of Outdoor Unit have mark. 2 • Connect the cable of diameter 1.6mm (15AWG) or more to the earthing terminal provided in the control box and do earthing. - Case 2 :Terminal block of Outdoor Unit don't have mark. 2 and fasten with earth screw. • Connect the cable of diameter 1.
SINGLE ZONE 2. Guideline for each installation process 2.6 Leakage test 2.6.1 Leakage test CAUTION Air and moisture remaining in the refrigerant system have undesirable effects as indicated below. ① Pressure in the system rises. ② Operating current rises. ③ Cooling (or heating) efficiency drops. ④ Moisture in the refrigerant circuit may freeze and block capillary tubing. ⑤ Water may lead to corrosion of parts in the refrigeration system.
SINGLE ZONE 2. Guideline for each installation process 2.6.2 Essential points of testing The key to successful testing is strict adherence to the following procedure: a) The liquid and gas piping in each refrigerant system should be pressurized in turn in accordance with the following steps. (Nitrogen gas must be used.) Step 1: increase pressure to 0.3MPa(43.5psi) for 3 minutes or more Indicates existence of major leaks Step 2: increase pressure to 1.5MPa(217.
SINGLE ZONE 2. Guideline for each installation process 2.6.3 Checking for leakage [Check 1] (Where pressure falls while carrying out Steps 1 to 3 described on previous page) ▶ Check by measure gage......gas detector. ▶ Check by ear......Listen for the sound of a major leakage. ▶ Check by hand......Check for leak by feeling around jointed sections with hand. ▶ Bubble check ......Bubbles will reveal the presence of a leakage.
SINGLE ZONE 2. Guideline for each installation process 2.7 Vacuum drying works 2.7.1 What is Vacuum drying? Vacuum drying is : The use of a vacuum pump to vaporize(gasify) the moisture (liquid) inside the pipe and expel it leaving the pipes completely dry inside. At 1 atm(760mmHg) the boiling point (evaporating temperature) of water is 100℃(212℉) but if a vacuum is created inside the pipes using a vacuum pump then the boiling point is rapidly reduced as the degree of the vacuum is increased.
SINGLE ZONE 2. Guideline for each installation process 2.7.2 Evacuation 1. Connect the manifold hose end described in the preceding steps to the vacuum pump to evacuate the tubing and indoor unit. Confirm the "Lo" knob of the manifold valve is open. Then, run the vacuum pump. The operation time for evacuation varies with tubing length and capacity of the pump. The following table shows the time required for evacuation. 2.
SINGLE ZONE 2. Guideline for each installation process 2.7.3 Choosing a vacuum pump The necessity for counter flow prevention After the vacuum process of the refrigerant cycle, the inside of the hose will be vacuumed after stopping the vacuum pump, the oil of vacuumpump may flow back. Moreover, if the vacuum pump stops during the operation for some reason. Therefore, in order to prevent the counter flow from the vacuum pump, a check valve is reguired.
SINGLE ZONE 2. Guideline for each installation process 2) Vacuum pump maintenance Because of their nature, most vacuum pumps contain large amounts of oil which lubricates bearings, etc., and functions to enhance airtightness of pistons. When using a vacuum pump to discharge air from refrigerant piping, moisture in the air tends to get mixed in with the oil. You must therefore change oil periodically and make sure the proper oil level is maintained.
SINGLE ZONE 2. Guideline for each installation process 2.7.4 Vacuum drying procedure There are two vacuum drying methods and the appropriate one should always be chosen to confirm with individual local conditions. [Normal vacuum drying]........The standard method [Operational steps] 1. Vacuum drying (1st time): Connect a manifold gauge to the service port of the liquid or gas pipe and operate the vacuum pump for at least 2 hours.
SINGLE ZONE 2. Guideline for each installation process 2.8 Additional charge of refrigerant 2.8.1 Refrigerant charging instructions Refrigerant charging 1. The results of all calculations must be recorded. (make a list) 2. The refrigerant will need to be additionally charged when the distance between the outdoor Unit and the most distant indoor unit is more than length (refer to section 8 outdoor unit installation condition) 3.
SINGLE ZONE 2. Guideline for each installation process 2.9 Trial test run operation 2.9.
SINGLE ZONE 2. Guideline for each installation process 2.9.3 Transfer to customer with explanation 1. Operational step Complete test run Make final report (test run inspection sheet) Explain how to operate and maintain equipment Hand over relevant printed materials a) The measurements taken during the test run should be recorded and kept on a test run inspection sheet.
SINGLE ZONE 3. Installation of indoor unit 3.1 Ceiling cassette 4-way • Please read the instruction sheets completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Anti-bacteria Air Outlet Air Inlet Wired Remote Controller (included) 3.1.
SINGLE ZONE 3. Installation of indoor unit 3.1.2 Selection of the best location • There should not be any heat source or steam near the unit. • There should not be any obstacles to the air circulation. • There should be provision of easy condensate drain. • Taking into accounting the noise prevention criteria, spot the installation location. • Do not install the unit near the door way. • Keep proper distances, of the unit, from ceiling, fence, floor, walls and other obstacles as shown in figure.
SINGLE ZONE 3. Installation of indoor unit • Countermeasure: - Use the carpet on the floor (compared to the tiles the carpet over it will have a 3 degree rise in temperature) - Insulating the floor. • In case of the multi flow type, use the high humidity kit. Otherwise the dew drops can be seen in the unit body. • Refrigerant piping: Increase the piping insulation thickness with thickness above 20(25/32)mm(inch).
SINGLE ZONE 3. Installation of indoor unit 3.1.4 Ceiling opening dimensions and hanging bolt location ① The dimensions of the paper pattern for installation are the same as those of the ceiling opening dimensions. ② Select and mark the position for fixing bolts and piping hole. 1) Install the suspension bolts.
SINGLE ZONE 3. Installation of indoor unit 3.1.5 Indoor unit installation < Ceiling work > • Installing of the accessories (except for the decoration panel) before installing the indoor unit is easier. (2) Adjust the unit to the right position for installation. 1) Install the indoor unit temporarily. • Attach the hanger bracket to the suspension bolt. Be sure to fix it securely by using a nut and washer from the upper and lower sides of the hanger bracket.
SINGLE ZONE 3. Installation of indoor unit 3) Indoor unit drain piping • TP/TM Chassis • Drain piping must have downward (1/50 to 1/100): be sure not to provide up-and-down slope to prevent reverse flow. • During drain piping connection, be careful not to exert extra force on the drain port on the indoor unit. • The outside diameter of the drain connection on the indoor unit is 32mm(1-1/4inch).
SINGLE ZONE 3. Installation of indoor unit 2) Wiring Connection CAUTION ① Open the control box cover and connect the Remote controller cord and Indoor power wires. Install certainly the decoration panel. Cool air leakage causes sweating. ‘ Water drops fall.
SINGLE ZONE 3. Installation of indoor unit WARNING • Make sure that the screws of the terminal are not loose. 3) Conduit connection ① Remove the busing rubber product attached on the indoor unit. ② Join the conduit and the conduit bracket together using nut. ③ Set the connecting cable into the terminal block of indoor unit, and tighten set screw to lock the conduit bracket to the indoor unit. Lock nut Conduit 3. Do not connect wires of different gauge to the same grounding terminal.
SINGLE ZONE 4. Installation of outdoor unit 4.1 Safety Precautions Please strictly follow the instructions given in the Installation manual .Improper installation by ignoring the instructions can lead to damage to life and property. Make sure to read the following safety instructions very carefully and throughly . WARNING This symbol indicates the possibility of death or serious injury. CAUTION This symbol indicates the possibility of injury or damage to properties.
SINGLE ZONE 4. Installation of outdoor unit Be sure to use only those parts which are listed in the svc parts list. Never attempt to modify the equipment. • The use of inappropriate parts can cause an electrical shock, excessive heat generation or fire. Indoor/outdoor wiring connections must be secured tightly and the cable should be routed properly so that there is no force pulling the cable at the connection terminals. • Improper or loose connections can cause excessive heat heat generation or fire.
SINGLE ZONE 4. Installation of outdoor unit CAUTION Use two or more people to lift and transport the product. • Avoid personal injury. Do not install the product where it will be exposed to sea wind (salt spray) directly. • It may cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient operation. Keep level even when installing the product. • To avoid vibration or noise.
SINGLE ZONE 4. Installation of outdoor unit 4.1.1 Points for explanation about operations The items with WARNING and CAUTION marks in the operation manual are the items pertaining to possibillties for bodily injury and material damage in addition to the general usage of the product. Accordingly, it is necessary that you make a full explanation about the described contents and also ask your customers to read the operation manual. 4.1.
SINGLE ZONE 4. Installation of outdoor unit 4.1.4 For the following items, take special care during construction and check after installation is finished 1. Items to be checked after completion of work Unit Items to be checked If not properly done, what is likely to occur Are the indoor and outdoor unit fixed firmly? The units may drop, vibrate or make noise. Is the gas leak test finished? It may result in insufficient cooling. Is the unit fully insulated? Condensate water may drip.
SINGLE ZONE 4. Installation of outdoor unit 4.1.5 Before installation • During product unpacking and removing it from the packing case, be sure to lift it without exerting any pressure on other parts, especially, horizontal flaps, the refrigerant piping, drain piping, and other resin parts. • Be sure to remove a cushion (corrugated paper) located between the heat exchanger and the right air filter. • Be sure to check the type of R410A refrigerant to be used before installing the unit.
SINGLE ZONE 4. Installation of outdoor unit 4.2 Introduction This installation guidance describes the procedures for outdoor unit installation, piping, wiring, and control between outdoor units, indoor units and controller. Installation of the indoor units is not described in this part. Please refer to the installation guidance manual which supplied with indoor units for their respective installation. 4.2.1 Lifting method 1.
SINGLE ZONE 4. Installation of outdoor unit 4.3 Foundation SINGLE ZONE For good drain of outdoor unit, keep the bottom height from icing upward.
SINGLE ZONE 4. Installation of outdoor unit 4.4 Settlement of the outdoor unit • Anchor the outdoor unit with a bolt and nut tightly and horizontally on a concrete or rigid mount. • When installing on the wall, roof or rooftop, anchor the mounting base securely with a nail or wire assuming the influence of wind and earthquake. • In the case when the vibration of the unit is conveyed to the house, secure the unit with an anti-vibration rubber.
SINGLE ZONE 4. Installation of outdoor unit 4.5 Selection of the best location This SINGLE ZONE unit is suitable for installation in a residential and commercial environmental situation. If installed near a household appliance it can cause electromagnetic interference. The units should be installed in a location that meets the following requirements: 1. A robust and strong base which can support the weight of the unit and will not degrade easily 2.
SINGLE ZONE 4. Installation of outdoor unit 4.6 Clearance space 4.6.1 Clearance around outdoor unit SINGLE ZONE 300(11-13/16) or more 300(11-13/16) or more 300(11-13/16) or more Su nro of Fe ob nce sta or cle s • Ensure that the space around the back is more than 300mm(11-13/16inch) on the opposite to the PCB side and secure 600mm(23-5/8inch) space near the compressor and PCB side of the air conditioner for service.
SINGLE ZONE 4.
SINGLE ZONE 4. Installation of outdoor unit n Where the obstacles on the discharge side is lower than the unit: • No obstacle above /16) 1 13 0(1 ore 0 3 ) /16 or m -11 (19 500 r more o (1 6) o r les s L H 500 1/1 9-1 1000(39-3/8) or more • Obstacle above, too ʻLʼ should be lower than ʻHʼ. Close the bottom of the installation frame to prevent the discharged air from being bypassed.
SINGLE ZONE 4. Installation of outdoor unit 4.7 Outdoor unit piping 4.7.1 Outdoor unit piping Required tools Screw Driver Soap Foam Drill M/C f 3.5/F14.5 Measuring Tape, Blade Hexagonal wrench(4mm, 5mm) Thermometer Core drill Hook Meter Spanner Multi Tester Torque Wrench Flare Set 4.7.2 Connecting piping Tighten the flare nut with torque wrench until the wrench clicks. • When tightening the flare nut with torque wrench, ensure the direction for tightening follows the arrow on the wrench.
SINGLE ZONE 4. Installation of outdoor unit 4.8 Outdoor unit installation requirments 4.8.1 Piping elevation and length Pipe Size Unit : mm(inch) Length A Unit : [m(ft)] Elevation Unit : [m(ft)] Gas Liquid Standard Max. Standard Max. *Additional refrigerant Unit: g/m(oz/ft) 24,000 Btu/h 15.88 (5/8) 9.52 (3/8) 7.6(25.0) 50(164.0) 5(16) 30(98.4) 40(0.43) 42,000 Btu/h 15.88 (5/8) 9.52 (3/8) 7.6(25.0) 75(246.1) 5(16) 30(98.4) 40(0.43) Capacity CAUTION 1.
SINGLE ZONE 4. Installation of outdoor unit 4.9 Outdoor unit cabin 4.9.1 Outdoor Cabin louver requirement 1. Outdoor cabin type : Manual door open type Max15 (Recommended) 2. Louver angle : less than 15° on the horizontal base 3. Louver interval: over 100(3-15/16) mm(inch) (recommend) 4. Louver shape : wing type or plane type Louver Over 100(3-15/16) mm(inch) (Recommended) Section CAUTION • Opening rate and suction should be considered for louvered outdoor room. • Do not use 'S' type louver.
P/No.: MFL67502802 Air Conditioner 20 Yeouido-dong, Yeongdeungpo-gu, Yeouido P.O.Box 335 Seoul, 150-721, Korea. http://www.lgeaircon.com All rights reserved Printed in Korea December / 2012 The specifications, designs, and information in this brochure are subject to change without notice. The air conditioners manufactured by LG have received ISO9001 certificate for quality assurance and ISO14001 certificate for environmental management system.
