LG MU3M21.UE0R0 User Manual download pdf (Page 24)

24 Multi Air Conditioner

Connecting the Cable between Indoor Unit and Outdoor Unit

(1) Remove the control cover. Loosen the two

screws, and slide the cover in the direction

of the arrow.

(2) Perform wiring with reference the wiring

diagram on a control cover of outdoor unit.

Allow 300 mm for the pulling-out section of

harness. Fix the wires completely with wire

clamps(4 locations).

(3) Put in the cover in the direction of the arrow

then tighten the screws.

• Connect refrigerant pipes and connection wires to the appropriate ports maked with matching

alphabets (A, B and C) on this unit.

• Follow the instructions on the wiring nameplate to connect the connection wires of indoor/outdoor

units to terminal board numbers.(1, 2 and 3) Always fix each ground wire separately with a ground

screw.(See the figure below.)

• After completing the wiring, fix the outer coating of wires securely with wire clamps. The wire

clamp on indoor unit side is furnished. Follow the procedure below to install.

• Refer to the circuit diagram on the control cover inside outdoor unit.

The terminal board numbers are arranged from top to bottom in order of 1, 2 and 3.

NOTICE

WARNING

Do not use tapped wires,

stand wires, extensioncords,

or starbust connections, as

they may cause

overtheating, electrical

shock, or fire.

A room

B room

C room

CN-PWR

Connection wire for indoor units

(H05VV, 4wires, 0.75mm)

Connection wire for outdoor units

(H05RV, 4wires, 1.2mm)

In Case of 3 rooms

Connection of Wiring

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 36 37

No comments

LG MU3M21.UE0R0 User Manual Page 24