Table of Contents
Advertisement
Quick Links
LG
Room Air Conditioner
INSTALLATION MANUAL
http://www.lgservice.com
IMPORTANT
• Please read this instruction manual completely before
installing the product.
• When the power cord is damaged, replacement should be
performed by authorized personnel only.
• 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.
LG
Advertisement
Table of Contents
Related Manuals for LG 3828A30087S
Summary of Contents for LG 3828A30087S
-
Page 1: Room Air Conditioner
Room Air Conditioner INSTALLATION MANUAL http://www.lgservice.com IMPORTANT • Please read this instruction manual completely before installing the product. • When the power cord is damaged, replacement should be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards by authorized personnel only. -
Page 2: Table Of Contents
Room Air Conditioner Installation Manual TABLE OF CONTENTS Installation Requirements Safety Precautions ...3 Introduction ...9 Symbols Ued in This Manual...9 Features ...9 Installation ...10 Installation Parts ...10 Installation Tools ...10 Installation Map...11 Confirm The Refrigerant ...12 Select The Best Location ...13 Piping Length And Elevation...14... -
Page 3: Safety Precautions
Safety Precautions To prevent the injury of the user or other people and property damage, the following instructions must be followed. I Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. This symbol indicates the possibility of death or serious injury. - Page 4 I Operation Use a dedicated outlet for this appliance. • There is risk of fire or electric shock. 4 Room Air Conditioner For installation, always contact the dealer or an Authorized Service Center. • There is risk of fire, electric shock, explosion, or injury.
-
Page 5: Installation Manual
• There is risk of property damage, failure of product, or electric shock. Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open. - Page 6 • There is risk of electric shock. Do not insert hands or other objects through the air inlet or outlet while the air conditioner is plugged • There are sharp and moving parts that could cause personal injury. Install the drain hose to ensure that water is drained away properly.
- Page 7 • There is risk of fire, electric shock or damage to the plastic parts of the product. Use two or more people to lift and transport the air conditioner • Avoid personal injury. Do not use the product for special purposes, such as preserving foods, works of art, etc.
- Page 8 Always insert the filter securely. Clean the filter every two weeks or more often if necessary. • A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage. Use a firm stool or ladder when cleaning or maintaining the air conditioner.
-
Page 9: Introduction
Introduction Symbols Used In This Manual This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that may cause harm to the air conditioner. NOTICE This symbol indicates special notes. Features Air Inlet Front Panel... -
Page 10: Installation
Remote Control Holder Type "B" screw Installation Tools Figure Name Figure Name Screw driver Ohmmeter Electric Drill Hexagonal wrench Measuring Tape, Knife Ammeter Hole Core Drill Gas Leak Detector Thermometer, Spanner Level Torque wrench Flaring Tool Set 10 Room Air Conditioner... -
Page 11: Installation Map
Installation Map NOTICE Installation parts you should purchase. Air Discarge Vertical Air deflector Operation Indication Lamps/ Signal Receptor Forced Operation Button Air Inlet Vents Air Outlet Vents NOTE: refrigerant line wall thickness must be at least 0.8 mm (0.031 inch) Installation plate Sleeve Bushing-Sleeve... -
Page 12: Confirm The Refrigerant
R-22 -40.8 Do not handle the pipe by yourself (customer) High-pressure refrigerant may cause personal injury. - manifold gauge ,charging and any piping tools must be dedicated to R-410A systems. 12 Room Air Conditioner 100% Vapor pressure(25°C)(kg f/cnf) 15.9 Vapor density(25°C)(kg/m... -
Page 13: Select The Best Location
70cm(27.6in) of space. 3. Do not place animals and plants in the path of the warm air. 4. Take the air conditioner weight into account and select a place where noise and vibration are minimum. Rooftop Installations If the outdoor unit is installed on a roof structure, be sure to level the unit. -
Page 14: Piping Length And Elevation
Indoor unit Outdoor unit • Capacity is based on standard length and maximum allowance length is on the basis of reliability. • Oil trap should be installed every 5~7meters (16.4~23.0ft). 14 Room Air Conditioner Max. Elevation Standard Length m(ft) Evap 7.5(25) -
Page 15: How To Mount Installation Plate
How To Mount Installation Plate The wall you select should be strong and solid enough to prevent vibration 1. Mount the installation plate on the wall with type "A" screws. If mounting the unit on a concrete wall, use anchor bolts. •... -
Page 16: Flaring Work
• Carry out flaring work using flaring tool as shown below. Outside diameter inch Ø6.35 1.1~1.3 Ø9.52 1.5~1.7 Ø12.7 1.6~1.8 Ø15.88 1.6~1.8 Ø19.05 1.9~2.1 16 Room Air Conditioner inch 0.043~0.051 0.059~0.066 0.063~0.070 0.063~0.070 0.074~0.082 Copper Slanted Uneven Rough pipe 90¡ Pipe Point down Flare nut... -
Page 17: Connecting The Piping
Connecting The Piping Connecting the Piping Indoor 1. Prepare the indoor unit's piping and drain hose for installation through the wall. 2. Remove the plastic tubing retainer(see the illustration by) and pull the tubing and drain hose away from chassis. 3. -
Page 18: For Right Rear Piping
• When extending the drain hose at the indoor unit, install the drain pipe. Drain pipe Vinyl tape(narrow) Adhesive 18 Room Air Conditioner Wrap the insulation material around the connecting portion. • Overlap the connection pipe insulation material and the indoor unit pipe insulation material. Bind them together with vinyl tape so that there is no gap. - Page 19 Insert the connecting cable into the indoor unit. • Don't connect the cable to the indoor unit. • Make a small loop with the cable for easy connection later. Tape the drain hose and the connecting cable. • Connecting cable Connecting pipe Drain hose...
- Page 20 • Bundle the piping and drain hose together by wrapping them with cloth tape over the range within which they fit into the rear piping housing section. Drain hose 20 Room Air Conditioner Reroute the pipings and the drain hose across the back of the chassis. Indoor...
- Page 21 Installation Installation Information. For left piping. Follow the instruction below. Correct case • Press on the upper side of clamp and unfold the tubing to downward slowly. Incorrect case • Following bending type from right to left may cause damage to the tubing. Installation Manual 21...
-
Page 22: Connection Of The Drain Hose
• When tightening the flare nut with torque wrench, ensure the direction for tightening follows the arrow on the wrench. Outside diameter inch Ø6.35 Ø9.52 Ø12.7 Ø15.88 Ø19.05 22 Room Air Conditioner Outdoor unit Torque kgf·cm 180~250 340~420 550~660 630~820 980~1210 Suction Line piping... -
Page 23: Connection Of The Cable
Connecting the Piping Connection Of The Cable 1. Remove the cover control from the unit by loosening the 3 screws. 2. Dismount caps on the conduit panel. 3. Temporarily mount the conduit tubes on the conduit panel. 4. Properly connect both the power supply and low voltage lines to the corresponding terminals on the terminal block. - Page 24 After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have an individual power circuit specifically for the air conditioner. As for the method of wiring, be guided by the circuit diagram posted on the inside of control cover.
-
Page 25: Checking The Drainage
Checking The Drainage • Pour a glass of water on the drain pan. • Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit. Leakage checking Drain piping • The drain hose should point downward for easy drain flow. Downward slope •... -
Page 26: Forming The Piping
Trap is required to prevent water from entering into electrical parts. 26 Room Air Conditioner In cases where the Outdoor unit is installed above the Indoor unit perform the following. • Tape the piping and connecting cable from down to •... -
Page 27: Air Purging
Air Purging 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. •... - Page 28 • Replace the valve caps at both gas and liquid side service valves and fasten them tight. This completes air purging with a vacuum pump. The air conditioner is now ready to test run. 28 Room Air Conditioner 3-way valve...
-
Page 29: Charging
Charging Each outdoor unit is factory charged (nameplate charge) for the evaporator as well as a 7.5m(25ft) line set. Any time a line set is used either shorter or longer then the nominal 7.5m(25ft) line set length the refrigerant charge has to be adjusted. Whether the line set is made shorter or longer you must adjust the charge based on how many ft of tubing are either added or removed based on 30g(0.32oz) of R-410A per meter(foot). -
Page 30: Test Running
Outside ambient TEMP. 95°F(35°C) NOTE: If the actual pressure are higher than The air conditioner is now ready for use. PUMP DOWN This is performed when the unit is to be relocated or the refrigerant circuit is serviced. -
Page 31: Installation Guide At The Seaside
3) Select a well-drained place. 1. If you can’t meet above guide line in the seaside installation, please contact LG Electronics for the additional anticorrosion treatment. 2. Periodic ( more than once/year ) cleaning of the dust or salt particles stuck on the heat exchanger by using water... - Page 32 32 Room Air Conditioner...
- Page 33 P/No.: 3828A30087S...