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Related Manuals for LG 36k
Summary of Contents for LG 36k
- Page 2 • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. • Please retain this installation manual for future reference after reading it thoroughly. TYPE : FLOOR STANDING (Cooling Only Inverter) www.lg.com P/NO : MFL67646203...
- Page 3 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: •...
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Page 4: Important Safety Instructions
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 5 IMPORTANT SAFETY INSTRUCTIONS • Do not install the product on a defective installation stand. - It may cause injury, accident, or damage to the product. • Be sure the installation area does not deteriorate with age. - If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury.
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Page 6: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS TIPS FOR SAVING EN- LEAKAGE TEST AND ERGY EVALUATION Preparation Leakage test IMPORTANT SAFETY IN- Evacuation STRUCTIONS WIRING CONNECTION INSTALLATION PLACE Electrical Wiring Select the best Location Connecting the cable - Indoor unit - Indoor unit - Outdoor unit - Outdoor unit Piping length and elevation... -
Page 7: Installation Place
INSTALLATION PLACE INSTALLATION PLACE Select the best Location Outdoor unit - If an awning is built over the unit to prevent Indoor unit direct sunlight or rain exposure, be careful that heat radiation from the condenser is not - There should not be any heat source or restricted. -
Page 8: Piping Length And Elevation
INSTALLATION PLACE Piping length and elevation Additional Pipe Size(mm(inch)) Length ’A’ (m) Elevation ’B’ (m) Capacity refrigerant (Btu/h) Gas Side Liquid Side (g/m) 15.88(5/8) 9.52(3/8) 15.88(5/8) 9.52(3/8) Indoor unit Outdoor unit Indoor unit Outdoor unit CAUTION • Capacity is based on standard length and maximum allowance length is on the basis of reliability. -
Page 9: Installation
Piping length charge Wall INSIDE OUTSIDE 7.5m 30g/m 7.5m 40g/m Tilt Plastic tube (Bushing) Example) 36k Cut if In case of 15m long pipe necessary the amount of refrigerant to be replenished More (15-7.5) X 30 = 225g than 15mm... -
Page 10: Installation Method
INSTALLATION Installation method Installation works Descriptions Preparation of tools and installation parts Preparation of installation To insert the flare nuts, mounted on the Flaring the pipes connection parts of both indoor and out- door unit, onto the copper pipes. To reduce the flow resistance of refriger- Pipe bending ant. -
Page 11: Installation Tools And Parts
INSTALLATION Installation tools and parts Installation tools Figure Name Figure Name Screw driver Multi-meter Electric drill Hexagonal wrench Measuring tape, Knife Ammeter Hole core drill Gas-leak detector Thermometer, Spanner Level Torque wrench Flaring tool set Manifold gauges Vacuum pump Installation parts Connecting pipe Set anchor Cable... -
Page 12: Preparation Of Piping
INSTALLATION Preparation of piping Flaring work - Carry out flaring work using dedicated flaring Main cause of gas leakage is defect in flaring tool for R410A as shown below. work. Carry out correct flaring work in the fol- lowing procedure. Handle "A"... -
Page 13: Plumbing Materials And Storage Methods
INSTALLATION Plumbing materials and storage methods Pipe must be able to obtain the specified thickness and should be used with low impurities. Also when handling storage, pipe must be careful to prevent a fracture, deformity and wound. Should not be mixed with contaminations such as dust, moisture. Refrigerant piping on three principles Drying Cleanliness... - Page 14 INSTALLATION Continuous Torque wrench Indoor unit tubing (250mm) Pipings Flare nut Outside diameter Torque inch N·m Ø6.35 16±2 Ø9.52 38±4 Ø12.7 55±6 Ø15.88 75±7 Spanner (fixed) Flare nut Pipe Size Torque Torque wrench Connection pipe 1/4" 16±2 N·m Indoor unit tubing 3/8"...
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Page 15: Forming The Piping
INSTALLATION Preventing foreign objects from entering (refer to figure 2) Seal a small Seal a small Seal a small opening around opening around opening around - Plug the pipe through-holes with putty or the pipings with the pipings with the pipings with insulation material(procured locally)to stop up Taping gum type sealer. -
Page 16: Leakage Test And
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 refriger- - Pressure in the system rises. ant system in a liquid state, the top of the cylinder must be higher than its bot- - Operating current rises. -
Page 17: Evacuation
LEAKAGE TEST AND EVACUATION Evacuation - Connect the charge hose end described in the preceding steps to the vacuum pump to evacuate the tubing and indoor unit. Confirm the "Lo and Hi" knob of the manifold valve is open. Then, run the vacuum pump. The operation time for evacuation varies with Indoor unit tubing length and capacity of the pump. -
Page 18: Wiring Connection
WIRING CONNECTION WIRING CONNECTION Electrical Wiring Precautions when laying power wiring Use round pressure terminals for connections Perform the electrical wiring work according to the power terminal block. to the electrical wiring connection. - All wiring must comply with local require- Power wire ments. -
Page 19: Connecting The Cable
WIRING CONNECTION Connecting the cable Outdoor unit Open The side panel(control board cover) Indoor unit from the outdoor unit by removing the screws. * The inside and outside connecting cable can be connected after opening the inlet grille. Connect wires to the terminals on the con- trol board individually and secure the ca- Open the inlet grille manually. -
Page 20: Power Supply And Wiring
WIRING CONNECTION - Provide a recognized circuit breaker as below CAUTION between power source and unit. A disconnection device to adequately discon- Perform grounding nect all supply lines must be fitted. • This product should be grounded. (for service operations) •... -
Page 21: Test Running
TEST RUNNING TEST RUNNING Precautions in test running M4..118N.cm{12kgf.cm} M5..196N.cm{20kgf.cm} - The initial power supply must provide at least M6..245N.cm{25kgf.cm} 90% of the rated voltage. M8..588N.cm{60kgf.cm} Otherwise, the air conditioner should not be operated. CAUTION Connection of power supply Connect the power supply cord to the inde- •... - Page 22 TEST RUNNING HAND OVER CAUTION Teach the customer the operation and mainte- After the confirmation of the above con- nance procedures, using the operation manual ditions, prepare the wiring as follows: (air filter cleaning, temperature control, etc.). • Never fail to have an individual power specialized for the air conditioner.
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Page 23: Night Silent Operation Setting
2. Set the DIP Switch as below Fig. DIP Switch Function Night Silent Operation -ON Night Silent Operation - OFF [36K] : DIP Switch 2 DIP SW01N [48K] : DIP Switch 5 3. Close the panel WARNING • Do not open the panel when operating the product. -
Page 24: Self-Diagnosis Function
SELF-DIAGNOSIS FUNCTION SELF-DIAGNOSIS FUNCTION Error Indicator (Outdoor) Outdoor Unit Error Ex) Error 21 (DC Peak) 2 Times 2 Times 2 Times LED01G (RED) 1 Sec. 1 Sec. 1 Sec. 1 Time 1 Time 1 Time LED02G (GREEN) 2 Sec. 2 Sec. Error LED 1 LED 2... -
Page 25: Installation Guide At The Seaside
Select a well-drained place. - If you can’t meet above guide line in the seaside installation, please contact LG Electronics for the additional anticorro- sion. Sea wind - Periodic ( more than once/year ) clean-...