3Rd Party Controller - LG THERMA V HN0913T Installation Manual

ACCESSORIES INSTALLATION
82
rd
3 Party Controller
The product can also be linked to 3
Modbus protocol except for LG controller. If 3
applied to AWHP simultaneously.
rd
How to wire 3 party controller
Follow below procedures step 1 ~ step 4.
Step 1. Check if the power of the unit is turned off.
Step 2. Disassemble front panels and distinguish control box(Indoor) of the unit.
Step 3. Check if the harness(White) is inserted fully to the indoor unit PCB.
Step 4. Connect the 3 rd
module)
Indoor PCB
rd
party controller. You can connect external controllers using
rd
party controller to terminal block 4 completely. (including Meter interface
party controller is used, LG controller is not
CN_MODBUS
21 22
A B
3rd PARTY
CONTROLLER
(DC 5 V)
1(L) 2(N)
rd
3 PARTY
CONTROLLER
or METER
INTERFACE(LG)