Hydro Kit
Installation Manual
33
ENGLISH
Accessories Installation
How to Wire Thermostat
Follow below procedures Step 1 ~ Step 6.
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 1~ 230 V, go to Step 4. Otherwise, if
it is 1~ 24 V, go to step 3.
Step 3.
Find thermostat connecting cable A and C. Disconnect cable A and C, then connect cable B and C.
Step 4.
If it is Heating Only Thermostat, go to step 5. Otherwise, if it is Heating / Cooling Thermostat,
go to step 6.
Step 5.
Find terminal block and connect wire as below. After connecting, go to step 6.
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 ther-
mostat.
Never connect external electric loads such as valves, fan coil units, etc.
If connected, Main PCB Assembly 1 can be seriously damaged.
(L) : Live signal from PCB to Thermostat
(N) : Neutral signal from PCB to Thermostat
(H) : Heating signal from Thermostat to PCB
Thermostat
(L)
(N)
(H)
THERMOSTAT
(Default : 1~ 230 V)
1
L
BR
2
N
BL
3
L1
WH
4
L2
BK
Second:
Connect
B and C
First:
Disconnect
A and C
A
B
C
Содержание ARNH04GK2A2
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