LG Hydro Kit - Dry Contact

Accessories Installation
Hydro Kit Installation Manual 47
ENGLISH
LG Dry Contact is a solution for automatic control of HVAC system at the owner's best.
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.
PDRYCB100
Dry Contact
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
220 - 240 V
RY1
RY2
CN-CC
DRY CONTACT
PCB
Operation Display
Error Check Display
CN-CC
DRY CONTACT
PCB
INPUT
220 - 240 V
LG does not
supply this section
4 4
3 3
2 2
1 1
2 2
1 1
RY1
RY2
CN_DRY
NL
Dry contact
Controller
Operation Display
Error Check Display
- To apply power source directly to external source.