LG Electronics MFL39817303 installation manual Front panel removing

Page 20

Installation

2.Front panel removing

Raise the link up to hook hanger and remove front panel forward.

The circuit diagram is not subject to change without notice.

Be sure to connect wires according to the wiring diagram.

The earth wire should be longer than the common wires.

When installing, refer to the electrical diagram behind the front panel of Indoor Unit.

The wiring for the outdoor unit can be found on the inside of the Outdoor Unit control cover.

Connect the wires firmly, so that not to be pulled out easily.

Connect the wires according to color codes by referring to the wiring diagram.

Provide a circuit breaker between power source and the outdoor unit as shown below.

Circuit

 

Grade(Btu/h)

 

Breaker

9k~12k

18k

 

24k

(A)

15

20

 

25

 

 

 

 

 

 

 

Main power source

 

Air

Circuit Breaker

Conditioner

Use a circuit breaker

 

or time delay fuse.

The power cord connected to the outdoor unit should be complied with the following specifications (ETL recognized and CSA certified).

AWG_"A"

±3mm

10

Power supply cable (208~230V) GN/YL

20mm

Power

Grade(Btu/h)

9/12/18k

24k

 

 

 

 

"A"

14

12

 

 

 

The power connecting cable connected to the indoor and outdoor unit should be complied with the following specifications (ETL recognized and CSA certified).

AWG_"B"

±3mm

 

10

Connecting cable (208~230V)

 

GN/YL

 

 

20mm

Grade(Btu/h)

Power

9/12/18k/24k

"B"

18

When using the separate wire as the power cord, please fix the separate wire into the control box panel by using tie wrap as the fixture.

20Room Air Conditioner

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Contents Room Air Conditioner Table of Contents Installation Instructions It may cause injury or an accident No installation may cause a fire and electrical shockBe sure not to do Be sure to follow the instruction Operation Otherwise, it may cause water leakage Otherwise, it may cause dispute with the neighborsOtherwise, it may cause vibration or water leakage Otherwise, it may do harm to your healthSymbols used in this Manual FeaturesRead carefully, and then follow step by step Installation PartsInstallation Tools Installation Map Outdoor unit Select the best LocationIndoor unit Piping Length and Elevation Type Fixing Installation PlateDrill a Hole in the Wall Flaring Work Cutting TubesBurrs removal Putting nut onConnecting the Piping CheckIndoor Foamed polyethylene or equivalent is recommendedIndoor unit installation Lbf .ftFor left rear piping Piping for passage through piping hole Good case Bad caseConnecting the Cables How to use the front panelOutdoor Move the link upward and close the front panelFront panel removing With the screw Connect the wires to the terminals onRefix the cover control to the original position Connecting cable How to connect wiring to the terminalsFor strand wiring Checking the Drainage To check the drainageDrain piping Pour a glass of water on the evaporatorForming the Piping Air purging with vacuum pump Air PurgingAir purging Soap water method EvacuationFinishing the job If bubbles come out, the pipes have leakagePrepare remote controller Test RunningSettlement of outdoor unit Evaluation of the performancePump Down Procedure Pump DownInstallation guide at the seaside Selecting the locationOutdoor UnitMemo Room Air Conditioner No. MFL39817303