LG AHBW Series, Руководство по установке

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Accessories Installation
54 Air-to-Water Heat Pump
LG Dry Contact is a solution for automatic control of air conditioning system at the owner's behest.
In simple words, it's a switch which can be used to turn the unit On/Off after getting the signal from
external sources like key-in lock, door or window switch etc specially used in Hotel rooms.
How to Install Dry Contact
Connect CN_DRY with Control Unit.
- To apply power source through Dry Contact PCB.
Dry Contact
Dry contact
Controller
CN-CC
DRY CONTACT
PCB
DRY CONTACT
PCB
INPUT
AC 220V
LG does not
supply this section
LG does not
supply this section
4 4
3 3
2 2
1 1
2 2
1 1
RY1
RY2
CN_DRY
N L
Operation Display
Error Check Display
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
- To apply power source directly to external source.