LG HM031M User Manual

Air-to-Water Heat Pump _ 2
Part 3. Accessories
1. Dry Contact (PQDSA)* Supplied by accessory
1.2 Part Description
1
2
3 4 5 6
CN-POWER : AC 220 V Connector
CN-CC : Indoor PCB Connector
CN_DRY (L) : DRY CONTROLLER Connector
CN_DRY (SIG) : DRY CONTROLLER Connector
CN_DRY (ERROR CHECK) : ERROR Check Display Connector
CN_DRY(OPER STATE): Operation Display Connector
1
2
3
4
5
6
• These cable using for connection between Dry contact and Indoor unit.
• So before using these things Please check the connector type first and use cables on proper indoor unit.
NOTE
1.3 Installation Guide
1.3.1 Step 1
- DRY CONTACT PCB is installed as factory default.
- Connection of Dry contact & LG Central Controller in case of single constant models.
4
3
2
4
3
2
1 1
2
2
1
1
DRY CONTACT
PCB
Indoor
PCB
CN-CC CN-CC
AC 220 V
Connection PCB
(6871A30056A)
PI485 PCB : Special purchase for
Central Control
(Ex : PHNFP14A0 or PSNFP14A0...)
S1
BR1
TANS01Y
ZNR01Y
U02YU04YU03Y
SWITCH
LED1 LED01G LED02G LED03G
OSC01B L02D L01D
C01A
IC01A
CN_COMM
C03Y
C04Y
ON
L1 2 3 4
* Single Only
- When you install single product this PCB have to be added.

LG HM031M Specifications

General

Brand	LG
Model	HM031M
Category	Heat Pump
Language	English