Connection Of Wiring - LG A7UW40GFA0 Installation Manual

CONNECTING THE CABLE BETWEEN INDOOR UNIT AND OUTDOOR UNIT
24

Connection of Wiring

- 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.
NOTE
!
The terminal board numbers are arranged
from top to bottom in order of 1, 2 and 3.
In Case of 3 rooms
ROOM A
ROOM B
ROOM C
Connection wire for
indoor units
(H05VV, 4 wires, 0.75 mm)
WARNING
!
Do not use tapped wires, stand wires,
extensioncords, or starbust connections,
as they may cause overtheating, electrical
shock, or fire.
A
B
C
CN-PWR
Connection wire
for outdoor units
(H05RV, 4 wires, 1.2 mm)
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.