LG Electronics 3828A20025V installation manual Connecting pipings to the outdoor unit

Page 15

Installation of Unit

Connectingpipings tothe outdoor unit .

1.Align the center of the pipings and sufficiently tighten the flare nut with fingers.

2.Finally tighten the flare nut with torque wrench until the wrench clicks.

When tightening the flare nut with torque wrench, ensure the direction for tightening follows the arrow on the wrench.

PIPE SIZE

TORQUE

1/4"

1.8~2.5 kgf·m

3/8"

3.4~4.2 kgf·m

1/2"

5.5~6.6 kgf·m

5/8"

6.3~8.2 kgf·m

3/4"

9.9~12.1 kgf·m

Gas side piping

Outdoor unit

Liquid side piping

Torque wrench

Connecting the cables to the outdoor unit

1. Open the control board cover from the outdoor unit by removing the screws.

2. Connect wires to the terminals on the control board individually and secure the cables onto the control board with clamp.

3. Secure the control board cover to the original position with the screws.

CAUTION: Perform grounding

This product should be grounded.

• Defective grounding could cause an electric shock.

Terminals on the indoor unit

3(L1) 4(L2)

5

6

7

Terminals on the outdoor unit 1(L1) 2(L2)

3(L1) 4(L2)

5

(America, Canada Only)

POWER INPUT

(America, Canada Only)

Installation Manual 15

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Contents LG Floor Standing Type Air Conditioner Table of Contents Use the correctly rated breaker or fuse Always ground the productOperation Be sure the installation area does not deteriorate with ageUse two or more people to lift and transport the product Keep level even when installing the productSelection of the best location Installation of UnitPiping length and the elevation Indoor Unit Installation Outdoor unit InstallationRefrigerant amount Selecting the locationOutdoor Unit Installation guide at the seasideInstallation works Descriptions Installation MethodInstallation Parts, Tools Use Preparation of installation parts and toolsCut the pipes and the cable Preparation of PipingPrecautions in bending Connection of pipingMove the indoor tubing and drain hose to the hole Connecting the Cable to Indoor Unit Connecting the cables to the outdoor unit Connecting pipings to the outdoor unitPower supply Power Supply and WiringVacuum Drying of the Connecting Pipes and the Indoor Unit Form the Piping Final Check and Test Run Memo Floor Standing type Air Conditioner