LG Electronics MFL39817303 installation manual Indoor unit installation, Lbf .ft

Page 15

Installation

4.Indoor unit installation

Hook the indoor unit onto the upper portion of the installation plate.(Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate.) Ensure that the hooks are properly seated on the installation plate by moving it left and right.

Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots(clicking sound).

Connecting the piping to the indoor unit and drain hose to drain pipe.

1.Align the center of the pipes and sufficiently tighten the flare nut by hand.

2.Tighten the flare nut with a wrench.

Outside diameter

Torque

 

 

 

 

mm

inch

kgf.m

lbf.ft

Ø6.35

1/4

1.8~2.5

13~18

Ø9.52

3/8

3.4~4.2

24.6~30.4

Ø12.7

1/2

5.5~6.6

39.8~47.7

Ø15.88

5/8

6.3~8.2

45.6~59.3

Connecting cable

Drain hose

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indoor unit tubing

Flare nut Pipes

 

 

 

 

 

 

 

 

 

 

Open-end wrench (fixed)

Flare nut

Wrench

Connection pipe

Indoor unit tubing

ENGLISH

3.When extending the drain hose at the indoor unit, install the drain pipe.

Wrap the insulation material around the connecting portion.

1.Overlap the connection pipe insulation material and the indoor unit pipe insulation material. Bind them together with vinyl tape so that there may be no gap.

2.Wrap the area which accommodates the rear piping housing section with vinyl tape.

3.Bundle the piping and drain hose together by wrapping them with vinyl tape for enough to cover where they fit into the rear piping housing section.

Drain pipe

Indoor unit drain hose

Adhesive Vinyl tape(narrow)

Plastic bands Insulation material

Connection pipe

Indoor unit pipe

Vinyl tape (wide)

Wrap with vinyl tape

Connecting cable

Pipe

Vinyl tape(narrow)

Wrap with vinyl tape

Pipe

Vinyl tape(wide)

Drain hose

Installation Manual 15

Image 15
Contents Room Air Conditioner Table of Contents Installation Instructions No installation may cause a fire and electrical shock Be sure not to do Be sure to follow the instructionIt may cause injury or an accident Operation Otherwise, it may do harm to your health Otherwise, it may cause water leakageOtherwise, it may cause dispute with the neighbors Otherwise, it may cause vibration or water leakageFeatures Symbols used in this ManualInstallation Parts Installation ToolsRead carefully, and then follow step by step Installation Map Select the best Location Indoor unitOutdoor unit Piping Length and Elevation Fixing Installation Plate Drill a Hole in the WallType Putting nut on Flaring WorkCutting Tubes Burrs removalFoamed polyethylene or equivalent is recommended Connecting the PipingCheck IndoorLbf .ft Indoor unit installationFor left rear piping Piping for passage through piping hole Bad case Good caseMove the link upward and close the front panel Connecting the CablesHow to use the front panel OutdoorFront panel removing Connect the wires to the terminals on Refix the cover control to the original positionWith the screw How to connect wiring to the terminals For strand wiringConnecting cable Pour a glass of water on the evaporator Checking the DrainageTo check the drainage Drain pipingForming the Piping Air Purging Air purgingAir purging with vacuum pump If bubbles come out, the pipes have leakage Soap water methodEvacuation Finishing the jobEvaluation of the performance Prepare remote controllerTest Running Settlement of outdoor unitPump Down Pump Down ProcedureSelecting the locationOutdoor Unit Installation guide at the seasideMemo Room Air Conditioner No. MFL39817303