Table Of Contents - LG LMCN125HV Instructions Manual

Multi Air Conditioner Installation Manual

TABLE OF CONTENTS

Installation Requirements
Installation Parts Provided ...................................................3
Product Introduction .............................................................4
Indoor Unit.........................................................................4
Outdoor Unit......................................................................4
Safety Precautions ................................................................5
Installation of Indoor, Outdoor Unit .....................................8
Select the best location ....................................................8
Seaside Applications and Installation .............................10
Piping length and elevation .............................................11
Installation............................................................................12
Connecting the piping .....................................................12
How To Fix.......................................................................15
Wiring Connection...........................................................16
Conduit connection .........................................................16
Ceiling dimension and hanging bolt location ..................17
How to Fix .......................................................................18
Wiring Connection...........................................................18
Conduit connection .........................................................18
Installation of wired Remote Controller ...........................20
Wired remote controller switch information .....................21
Trial Operation.................................................................22
Celsius/Fahrenheit Switching ..........................................23
Setting the Central-Control Address ...............................24
ESP Function ..................................................................25
Ceiling dimension and hanging bolt location ..................26
Wiring Connection...........................................................27
Conduit connection .........................................................27
Installation of Wired Remote Controller(Optional)...........28
Installation of Decorative Panel.......................................30
Drain Piping.....................................................................32
Flaring Work and Connection of Piping ............................35
Flaring work.....................................................................35
Connection of piping - Outdoor .......................................36
Connecting the Cable between Indoor Unit and
Outdoor Unit.........................................................................37
Connect the cable to the Indoor unit...............................37
Connect the cable to the Outdoor unit. ...........................38
Connection method of the connecting cable(Example) ..39
Checking the Drainage, Insulating the Pipe and Special
Piping Applications .............................................................40
Insulating the Pipe and Special Piping Applications .......40
Long Pipe Setting ................................................................41
Air Purging and Evacuation ...............................................42
Leak Checking.................................................................42
Evacuation.......................................................................43
Charging ...............................................................................44
Combination indoor units...................................................45
2 Multi Air Conditioner
Required Tools
❏ Level gauge
❏ Screw driver
❏ Electric drill
❏ Hole core drill (ø50mm)
❏ Flaring tool set
❏ Specified torque wrenches
1.8kg.m, 4.2kg.m, 5.5kg.m, 6.6kg.m
(different depending on model No.)
❏ Adjustable wrench
❏ A glass of water
❏ Screw driver
❏ Hexagonal wrench(4mm)
❏ Refrigerant Gas Leak Detector
❏ Vacuum pump
❏ Gauge manifold
❏ Owner's manual
❏ Thermometer
❏ Remote Control Holder