Table of Contents
Advertisement
Quick Links
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.
P/NO : 3828A22235A
www.lg.com
Advertisement
Table of Contents
Related Manuals for LG MC12AHR
Summary of Contents for LG MC12AHR
- Page 1 • 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. www.lg.com P/NO : 3828A22235A...
-
Page 2: Table Of Contents
Multi Type Air Conditioner Installation Manual TABLE OF CONTENTS Installation Requirements Required Tools The following should be always observed for safety ........3~5 Installation of indoor, outdoor unit .....6~10 Level gauge Screw driver Electric drill Hole core drill (ø50mm) Horizontal meter Flaring work and connection of piping.....11~14 Flaring tool set Specified torque wrenches... -
Page 3: The Following Should Be Always Observed For Safety
Installation Parts Provided Installation Parts Provided Standard Type Installation plate Type "A" screws and plastic anchors Type "B" screws Holder Remote Control 5. Copper pipe (Liquid side) 6. Copper pipe (Gas side) more than more than more than 20cm 20cm 20cm 7. - Page 4 Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury.
- Page 5 Safety Precautions Always intstall an circuit breaker and main Do not touch(operate) product with wet breaker. hands. • No installation may cause fire and electric • Otherwise, it may cause fire or electric shock. shock. If strange sound, smell or smoke come from Do not put the heater, etc.
-
Page 6: Installation Of Indoor, Outdoor Unit
Installation of Indoor, Outdoor Unit Installation of Indoor, Outdoor Unit Read completely, then follow step by step. Select the best location Indoor unit 1. Do not have any heat or steam near the unit. 2. Select a place where there are no obstacles More than in front of the unit. - Page 7 Installation of Indoor, Outdoor Unit Piping length and elevation Multi Piping Type Max Elevation In - In Elevation Capacity(Btu/h) Total Length Max Length(A/B) (h1) (h2) 14k/16k Distributor Type Capacity Max Main Pipe Total Branch Max Branch Max Elevation In - In Elevation Total Length (Btu/h) Length (A/B)
- Page 8 Installation of Indoor, Outdoor Unit How to fix installation plate The wall you select should be strong and solid Installation Plate 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 9 Installation of Indoor, Outdoor Unit 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.
- Page 10 Installation of Indoor, Outdoor Unit Check 1. Compare the flared work with the figure by. Smooth all round Inside is shiny without scratches 2. If a flared section is defective, cut it off and do flaring work again. = Improper flaring = Inclined Surface Cracked Uneven...
-
Page 11: Flaring Work And Connection Of Piping
Installation of Indoor, Outdoor Unit 4. Indoor unit installation Hook the indoor unit onto the upper portion of the installation plate.(Engage the two hooks Connecting of the rear top of the indoor unit with the cable upper edge of the installation plate.) Ensure that the hooks are properly seated on the Drain hose installation plate by moving it left and right. - Page 12 Installation of Indoor, Outdoor Unit For left rear piping 1. Route the indoor tubing and the drain hose to the required piping hole position. Connecting 2. Insert the piping, drain hose, and the cable connecting cable into the piping hole. 3.
- Page 13 Installation of Indoor, Outdoor Unit Wrap the insulation material around the Plastic bands Insulation material connecting portion. 1. Overlap the connection pipe heat insulation and the indoor unit pipe heat insulation material. Bind them together with vinyl tape so that there may be no gap. 2.
- Page 14 Installation of Indoor, Outdoor Unit Installation Information. For left piping. Follow the instruction below. Good case • Press on the upper side of clamp and unfold the tubing to downward slowly. Bad case • Following bending type from right to left may cause damage to the tubing. Connection of piping - Outdoor Align the center of the piping and sufficiently tighten the flare nut by hand.
-
Page 15: Connecting The Cable Between Indoor Unit And Outdoor Unit
Connecting the Cable between Indoor Unit and Outdoor Unit Connecting the Cable between Indoor Unit and Outdoor Unit Connect the cable to the Indoor unit. Connect the cable to the indoor unit by connecting the wires to the terminals on the control board individually according to the outdoor unit connection. - Page 16 Connecting the Cable between Indoor Unit and Outdoor Unit Connect the cable to the Outdoor unit. 1. Remove the cover control from the unit by Outdoor unit loosening the screw. Terminal block Connect the wires to the terminals on the control board individually as the following.
-
Page 17: Checking The Drainage, Forming The Pipings And Long Pipe Setting
Checking the Drainage, Forming the Pipings and Long Pipe Setting Checking the Drainage, Forming the Pipings and Long Pipe Setting Checking the drainage To check the drainage. 1. Pour a glass of water on the evaporator. 2. Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit. - Page 18 Checking the Drainage, Forming the Pipings and Long Pipe Setting Forming the piping Form the piping by wrapping the connecting portion of the indoor Seal a small unit with insulation material and Taping opening around the pipings with secure it with two kinds of vinyl Drain hose gum type sealer.
-
Page 19: Air Purging
Air Purging and Evacuation Air Purging and Evacuation 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. - Page 20 Air Purging and Evacuation Soap water method Outdoor unit A-UNIT 1. Remove the caps from the 2-way and 3-way valves. 3-way valve Gas side piping 2. Remove the service-port cap from the 3-way valve. (Close) 3. To open the 2-way valve turn the valve stem 2-way valve B-UNIT (Open)
-
Page 21: Use Of Front Panel
Use of Front Panel Use of Front Panel Connecting the Cables How to use the front panel 1. Front panel opening Hold the two ends of the front panel at the bottom and move it upward. Front panel 2. Front panel closing Move the link upward and close the front panel. -
Page 22: Test Running
Test Running Test Running 1. Check that all tubing and wiring have been properly connected. 2. Check that the gas and liquid side service valves are fully open. Prepare remote control Remove the battery cover by pulling it according to the arrow direction. Insert new batteries making sure that the (+) and (–) of battery are installed correctly. -
Page 23: Combination Indoor Units
Combination indoor units Combination indoor units The indoor units connectable to the outdoor unit are shown below. Model Name Chassis Type Capacity, Btu/h Name 7000 9000 12000 18000 24000 Standard Type Artcool Deluxe Type tcool Type Mirror Type Ceiling Mounted Cassete Type 1Way Ceiling Mounted Cassete Type 4Way... -
Page 24: Combination Table Of Models
Combination table of Models Combination table of Models Combination table of Models This table shows available combination. Above standard combination, suitable performance may not be obtained depending on operating condition. 18k (2 rooms) Combination Unit-A Unit-B Total 1 UNIT 2 UNIT 24k (3 rooms) Combination Unit-A... - Page 25 Combination table of Models 30k (4 rooms) Combination Unit-A Unit-B Unit-C Unit-D Total 1 UNIT 2 UNIT 3 UNIT 4 UNIT Installation Manual 25...
- Page 26 Combination table of Models 40k (6 rooms) Combination Unit-A Unit-B Unit-C Unit-D Unit-E Unit-F Total 1 UNIT 2 UNIT 3 UNIT 4 UNIT 26 Multi Type Air Conditioner...
- Page 27 Combination table of Models Combination Unit-A Unit-B Unit-C Unit-D Unit-E Unit-F Total 4 UNIT 5 UNIT 6 UNIT Installation Manual 27...
- Page 28 Memo 28 Multi Type Air Conditioner...