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INSTALLATION MANUAL
AIR
CONDITIONER
Please read this installation manual completely before installing the product.
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.
This product contains Fluorinated Greenhouse Gases. (R410A)
Single Inverter Outdoor Unit
Original instruction
[Representative] LG Electronics Inc. EU Representative : LG Electronics European Shared Service Center B.V.
Krijgsman 1, 1186 DM Amstelveen, The Netherlands
[Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu, Changwon-si,
Gyeongsangnam-do, KOREA
P/NO : MFL68907813
Copyright © 2017 LG Electronics Inc. All Rights Reserved.
www.lg.com
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Related Manuals for LG UU09W
Summary of Contents for LG UU09W
- Page 1 This product contains Fluorinated Greenhouse Gases. (R410A) Single Inverter Outdoor Unit Original instruction [Representative] LG Electronics Inc. EU Representative : LG Electronics European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands [Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA www.lg.com...
- 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: •...
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Page 3: 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 Serious injury or death can result if directions are ignores. CAUTION Minor injury or product damage can result if directions are ignored. - Page 4 IMPORTANT SAFETY INSTRUCTIONS • Do not modify or extend the power cable. If power cable is dam- aged or has deteriorated, then it must be replaced. There is risk of fire or electric shock. • For installation, removal or reinstall , always contact the dealer or an Authorized Service Center.
- Page 5 IMPORTANT SAFETY INSTRUCTIONS • Be sure to use only those parts which are listed in the svc parts list. Never attempt to modify the equipment. The use of inappropri- ate parts can cause an electrical shock, excessive heat generation or fire.
- Page 6 IMPORTANT SAFETY INSTRUCTIONS CAUTION Installation • Two or more people must 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. •...
- Page 7 IMPORTANT SAFETY INSTRUCTIONS • Do not insert hands or other objects through the air inlet or outlet while the product is operating. There are sharp and moving parts that could cause personal injury. • Be cautious when unpacking and installing the product. Sharp edges could cause injury.
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Page 8: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS TIPS FOR SAVING ENER- TEST RUNNING INSTALLATION PI485 IMPORTANT SAFETY FUNCTION INSTRUCTIONS Dip S/W Setting (UU09W/UU12W/UU18W/UU24W INSTALLATION /UU30W) Forced Cooling Operation INSTALLATION OF OUT- Saving Power Consumption DOOR UNIT Night Quiet Mode Mode Lock... -
Page 9: Installation
INSTALLATION INSTALLATION 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 more than 30cm more than 30cm... -
Page 10: Installation Of Outdoor Unit
• Single Operation Additional Pipe Size mm(inch) Length A(m) Elevation B(m) Model refrigerant Liquid Standard Max. Standard Max. (g/m) UU09W Ø9.52 (3/8) Ø6.35 (1/4) UU12W Ø9.52 (3/8) Ø6.35 (1/4) UU18WE Ø12.7 (1/2) Ø6.35 (1/4) UU18W Ø12.7 (1/2) Ø6.35 (1/4) UU24WE Ø15.88 (5/8) -
Page 11: Connecting Pipes
CONNECTING PIPESINSTALLATION OF INDOOR, OUTDOOR UNIT 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 accessory piping kit or the pipes pur- Copper Slanted Uneven Rough tube... -
Page 12: Connection Of Piping - Outdoor
CONNECTING PIPES Connection of piping - - When connecting in a downward direction, knock out the knock-out hole of the base Outdoor pan. (refer to figure 2) - Align the center of the piping and sufficiently <Figure 2> tighten the flare nut by hand. - Finally, tighten the flare nut with torque Torque wrench... -
Page 13: Forming The Piping
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 14: Wiring Connection
- Use a recognized ELCB(Electric Leakage Circuit Breaker) between the power source and the unit. A disconnection device to ade- Model Phase(Ø) ELCB quately disconnect all supply lines must be UU09W fitted. UU12W - Model of circuit breaker recommended by UU18WE authorized personnel only UU18W... - Page 15 The power cord connected to the outdoor unit should comply to IEC 60245 or HD 22.4 S4 (This equipment shall be provided with a cord set complying with the national regulation.) NORMAL CROSS-SECTIONAL AREA 1 Phase(Ø) Model Phase(Ø) Area(mm UU09W UU12W UU18WE UU18W 3 Phase(Ø) UU24WE UU24W...
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Page 16: Connecting The Cable To Outdoor Unit
Power cord terminal Cord clamp Tubing Cover UU09W/UU12W CAUTION • The circuit diagram is not subject to change without notice. • Be sure to connect wires according to the wiring diagram. • Connect the wires firmly, so that They won’t be pulled out easily. -
Page 17: Leakage Test And Evacuation
LEAKAGE TEST AND EVACUATION LEAKAGE TEST AND EVACUATION Air and moisture remaining in the refrigerant system have undesirable effects as indicated below. - Pressure in the system rises. - Operating current rises. - Cooling (or heating) efficiency drops. - Moisture in the refrigerant circuit may freeze and block capillary tubing. - Water may lead to corrosion of parts in the refrigeration system. -
Page 18: Evacuation
LEAKAGE TEST AND EVACUATION Indoor unit Do a leakage test of all joints of the tubing (both Indoor unit and outdoor unit) and Outdoor unit both gas and liquid side service valves. Bubbles indicate a leak. Be sure to wipe off the soap with a clean cloth. -
Page 19: Test Running
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 oper- ation 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. Provide a circuit breaker switch between power source and the unit.
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Page 21: Installation Pi485
INSTALLATION PI485 INSTALLATION PI485 Fix the PI485 PCB as shown in below images. For detailed installation method refer to PI485 Installation Manual. UU18W UU24W / UU30W... -
Page 22: Function
FUNCTION Dip S/W Setting If you set the Dip Switch when power is on, the change in set- ting is not applicable. The changing setting is enabled only when Power is reset. UU09W/UU12W UU18W/UU24W/ UU30W Dip Switch Function Normal Operation (No Function) -
Page 23: Forced Cooling Operation
Forced Cooling Operation Adding the refrigerant in winter. Setting Procedure Set the Dip Switch as follow after shutting the power source down. UU09W/UU12W UU18W/UU24W/UU30W Reset the power. Red LED and Green LED of PCB lights during work. (The indoor unit is operated by force.) If operation is done, Red LED will be turned off. -
Page 24: Saving Power Consumption
Night Quiet Mode operation lowers the noise level of the outdoor unit by changing the Compressor’s frequency and fan speed. This function is operated all night long. Setting Procedure Set the Dip Switch as follow after shutting the power source down. UU09W/UU12W UU18W/UU24W/UU30W Step 1 Step 2 h Noise level :Step 1 >... -
Page 25: Mode Lock
FUNCTION Night Quiet Mode with Mode Lock (UU18W/UU24W/UU30W) Mode Lock (Cooling) Mode Lock (Cooling) + Night Quiet Mode + Night Quiet Mode (step 1) (step 2) CAUTION • If compressor’s frequency and fan speed are down, the cooling capacity may decrease accord- ingly. -
Page 26: Installation Guide At The Seaside
INSTALLATION GUIDE AT THE SEASIDE INSTALLATION GUIDE AT THE SEASIDE Windbreak CAUTION Sea wind • Air conditioners should not be installed in areas where corrosive gases, such as acid or alkaline gas, are produced. • Do not install the product where it could be exposed to sea wind (salty wind) directly. - Page 27 Airborne Noise Emission The A-weighted sound pressure emitted by this product is below 70 dB. ** The noise level can vary depending on the site. The figures quoted are emission level and are not necessarily safe working levels. Whilst there is a correlation between the emission and exposure levels, this cannot be used reliably to determine whether or not further precautions are required.
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