LG THERMA V HN0613M Installation Manual page 81

Air-to-water heat pump
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How to wire Heating / Cooling / DHW Heating thermostat
Follow below procedures Step 1 ~ Step 3.
Step 1. Uncover front cover of the unit and open the control box.
Step 2. Identify the power specification of the thermostat. If it is 220-240 V~, go to Step 3.
Step 3. Find terminal block and connect wire as below.
23
24
25
26
L
N
L1
L2
THERMOSTAT
(Default : 230 V AC)
(L)
(N)
(C)
Thermostat
WARNING
!
Mechanical type thermostat. Do not connect wire (N) as mechanical type thermostat does
not require electric power supply.
CAUTION
!
Do not connect external electric loads.
Wire (L) and (N) should be used only for operation electric type thermostat.
Never connect external electric loads such as valves, fan coil units, etc. If connected, Main
PCB (Heater) can be seriously damaged.
Final check
• DIP switch setting :
Set DIP switch No. 8 to 'ON'. Otherwise, the unit can not recognize the thermostat.
• Remote Controller :
- 'Thermostat' text is displayed on the remote controller.
- Only the water temperature setting is available and the other button input is prohibited.
- In case of Heating / Cooling / DHW Heating thermostat, select 'Heat&Cool / DHW' as the
Thermostat Control Type in the remote controller installer settings.
- The product operates according to Thermo On / Off conditions of the thermostat and remote
controller.
Thermostat
Thermo Off
Thermo Off
Thermo On
Thermo On
27
(L) : Live signal from PCB to thermostat
L3
(N) : Neutral signal from PCB to thermostat
(C) : Cooling signal from thermostat to PCB
(H) : Heating signal from thermostat to PCB
(H)
(D)
(D) : DHW Heating signal from thermostat to PCB
Thermo On / Off Condition
ACCESSORIES INSTALLATION
Remote Controller
Thermo Off
Thermo On
Thermo Off
Thermo On
81
Product
Thermo Off
Thermo Off
Thermo Off
Thermo On

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