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Related Manuals for LG UU37WISL
Summary of Contents for LG UU37WISL
- Page 1 CONDITIONER www.lg.com P/NO.:MFL70541921 REV.00_220111...
- Page 2 TIPS FOR SAVING ENERGY TIPS FOR SAVING ENERGY Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below: •...
- Page 3 IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE. Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product WARNING It can result in serious injury or death when the directions are ignored CAUTION It can result in minor injury or product damage when the directions are ignored WARNING...
- Page 4 IMPORTANT SAFETY INSTRUCTIONS Operation...
- Page 5 IMPORTANT SAFETY INSTRUCTIONS CAUTION Installation • Install the drain hose to ensure that drain can be securely done. Otherwise, it may cause water leakage. • Install the product so that the noise or hot wind from the outdoor unit may not cause any damage to the neighbors.
- Page 6 TABLE OF CONTENTS TABLE OF CONTENTS TIPS FOR SAVING ENERGY LEAKAGE TEST AND EVACU- ATION IMPORTANT SAFETY Preparation INSTRUCTIONS Leakage test INSTALLATION OF OUT- Evacuation DOOR UNIT TEST RUNNING WIRING CONNECTION INSTALLATION GUIDE AT Electrical Wiring THE SEASIDE Connecting Cables between Indoor Unit CONVENIENT FUNCTIONS and Outdoor Unit Connecting the cable to Outdoor Unit...
- Page 7 INSTALLATION OF OUTDOOR UNIT INSTALLATION OF OUTDOOR UNIT Installation Places - If an awning is built over the unit to prevent direct sunlight or rain exposure, make sure that heat radiation from the condenser is not restricted. - Ensure that the spaces indicated by arrows around front, back and side of the unit. - Do not place animals and plants in the path of the warm air.
- Page 8 Liquid Standard Max. Standard Max. (g/m) UU37WISL Ø15.88 (5/8) Ø9.52(3/8) If installed tube is shorter than Standard length, additional charging is not necessary. Additional Refrigerant = (Max. Length – Standard Length) × Additional refrigerant (g) Indoor unit Outdoor unit Indoor unit...
- Page 9 - Use a recognized ELCB(Electric Leakage Circuit Breaker) between the power source and the unit. A disconnection device to ade- quately disconnect all supply lines must be fitted. - Model of circuit breaker recommended by authorized personnel only Model Phase(ø) ELCB UU37WISL...
- Page 10 The power cable connected to the outdoor unit should be complied with IEC 60245 or HD 22.4 S4 (This equipment shall be provided with a cable set complying with the national regulation. NORMAL CROSS-SECTIONAL AREA 3 Phase(Ø) Model Phase(Ø) Area(mm 10±3 mm UU37WISL...
- Page 11 10±3 mm Model Phase(Ø) Area(mm UU37WISL When the connection line between the indoor unit and out- dooor unit is over 40 m, connect the telecommunication line and power line separately. If the supply cable is damaged, it must be replaced by a special cable or assembly availible...
- Page 12 WIRING CONNECTION Precautions when laying power wiring Use round pressure terminals for connections to the power terminal block. Power wire Round pressure terminal When none are available, follow the instructions below. - Do not connect wiring of different thicknesses to the power terminal block. (Slack in the power wiring may cause abnormal heat.) - When connecting wiring which is the same thickness, do as shown in the figure below.
- Page 13 WIRING CONNECTION Connecting the cable to Outdoor Unit Power connecting cable Power cord * Make sure the rubber bushes are properly used in knock-out holes after connecting main power. CAUTION...
- Page 14 CONNECTING PIPES CONNECTING PIPES Preparation of Piping Main cause of gas leakage is defect in flaring work. Carry out correct flaring work in the following procedure. Cut the pipes and the cable - Use the piping kit accessory or the pipes pur- chased locally.
- Page 15 CONNECTING PIPES Connecting the pipes to the Outdoor unit Align the center of the piping and sufficiently Liquid side piping tighten the flare nut by hand. (Smaller diameter) Finally, tighten the flare nut with torque wrench until the wrench clicks. - When tightening the flare nut with torque Gas side piping wrench, ensure the direction for tightening...
- Page 16 CONNECTING PIPES Forming the Piping In cases where the Outdoor unit is installed above the Indoor unit perform the following. Form the piping by wrapping the connecting Tape the piping and connecting cable from portion of the indoor unit with insulation mate- down to up.
- Page 17 LEAKAGE TEST AND EVACUATION LEAKAGE TEST AND EVACUATION Air and moisture remaining in the refrigerant CAUTION system have undesirable effects as indicated below. To avoid nitrogen entering the refrigerant - Pressure in the system rises. system in a liquid state, the top of the cylinder must be higher than its bottom - Operating current rises.
- Page 18 LEAKAGE TEST AND EVACUATION Evacuation - Replace the valve caps at both gas and liquid side service valves and fasten them tight. - Connect the charge hose end described in This completes air purging with a vacuum pump. the preceding steps to the vacuum pump to The air conditioner is now ready to test run.
- Page 19 TEST RUNNING TEST RUNNING Precautions In Test Running - The initial power supply must provide at least 90 % of the rated voltage. Otherwise, the air conditioner should not be operated. CAUTION For test run, carry out the cooling operation firstly even during heating season. If heating operation is carried out firstly, it leads to the trouble of compressor.
- Page 20 TEST RUNNING CAUTION After the confirmation of the above conditions, prepare the wiring as follows: Never fail to have an individual power specialized for the air conditioner. As for the method of wiring, be guided by the circuit diagram pasted on the inside of control box cover.
- Page 21 INSTALLATION GUIDE AT THE SEASIDE INSTALLATION GUIDE AT THE SEASIDE CAUTION In case, to install the outdoor unit on the seaside, set up a windbreak not to be exposed to the sea wind. • Air conditioners should not be installed in areas where corrosive gases, such as acid or alkaline gas, are produced.
- Page 22 Set the dip switch as follow after shutting the power source down. Open the side panel or top cover of outdoor unit. Set the DIP_SW01 D like below image. UU37WISL 7 segments indicate each status and data like below image. Press tact switch...
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