LG PQNUD1S00 Owners & Installation Manual page 9

I Operation with PC Central controller
- Connect the product as shown in the below connection diagram.
(00) (01)
Indoor unit
address setup
(7C) (7D)
Indoor unit
address setup
❈ NOTE : PI-485 must be connected for PDI.
(PI-485 must be purchased separately.)
When CNU power off or out of order with PC central controller, the PDI can not distribute the power
consumption.
3Ø 380VAC or
1Ø 220VAC
(02) (03)
(7E) (7F)
Watt meter
PDI
Multi/ Multi V Outdoor unit
Watt meter
PDI
Multi/ Multi V Outdoor unit
G/W(PNF-G14B0)
Wiring Diagram
Address setup
Start -> End
(00) -> (03)
PI-485
Address setup
Start -> End
(7C) -> (7F)
PI-485
PC central controller
with PDI.
User's Manual 9