Wiring Connection - LG MULTI V PRHR022 Installation Manual

Wiring Connection

Connect the wires to the terminals on the control board individually according to the outdoor unit
connection.
- Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of
HR Unit respectively.
Terminal Block Terminal Block
HR Unit
L(L1) N(L2)
HR UNIT POWER INPUT
WARNING
!
Loose wiring may cause the terminal to overheat or result in unit malfunction.
A fire hazzard may also exist.
Therefore, be sure all wiring is tightly connected.
WARNING
!
Make sure that the screws of the terminal are free from looseness.
HR Unit
SODU. B SODU. A
A B
Lock nut
Conduit
IDU. B IDU. A CEN. B CEN. A DRY1
INSTALLATION
Master
DRY2 GND 12V
Outdoor Unit
13