LG HM031M User Manual

Part 3. Accessories
3 _ Air-to-Water Heat Pump
1. Dry Contact (PQDSA)* Supplied by accessory
1.3.2 Step 2
Connect CN_DRY with Control Unit. (Fix SUB PCB into the proper location.)
- To apply power source through Dry Contact PCB.
- To apply power source directly to external source.
Dry contact
Controller
CN-CC
DRY CONTACT
PCB
INPUT
AC 220V
LG does not
supply this section
4 4
3 3
2 2
1 1
2 2
1 1
RY1
RY2
CN_DRY
NL
Operation Display
Error Check Display
DRY CONTACT
PCB
LG does not
supply this section
Dry contact
Controller
CN_DRY
4
3
2
4
3
2
1 1
2
2
1
1
L
N
AC 220V
RY1
RY2
CN-CC
DRY CONTACT
PCB
Operation Display
Error Check Display

LG HM031M Specifications

General

Brand	LG
Model	HM031M
Category	Heat Pump
Language	English