LG GHP SUPER - Page 45

ELECTRICAL WIRING
ENGLISH
45
Control Box and Connecting Position of Wiring
- Remove all of the screws from the right front panel, and remove the panel by pulling it forward.
- Connect the transmission cable between the main and the sub outdoor unit through the termi-
nal block. When the central control system is connected to the outdoor unit, a dedicated PCB
must be connected between them.
- When connecting the transmission cable between the outdoor and indoor units with shielded
wire, make sure to connect the shield ground to the grounding screw.
- When connecting to the central control system with shielded wire, make sure to connect the
shield ground to the grounding screw.
Cycle POWER
Noise Filter
Control panel
IDU Communication
Module
Oil Pump Power
ECU
External PCB
ECU Power
Starter T/R
Cycle PCB
ELCB
(Earth Leakage
Circuit Breaker)
CT Module
for Starter Current
CT Module
for Pump Current
Fan PCB
Reactor
T/R for Gas V/V
M/C for Coolant Pump
M/C for Starter T/R