Accessories Installation
ENGLISH
Hydro Kit
Installation Manual
27
General Information
Hydro Kit
supports following thermostats.
(1) There is no electric circuit inside the thermostat and electric power supply to the thermostat is not
required.
(2) Electric circuit such as display, LED, buzzer, etc is included in the thermostat and electric power
supply is required.
(3) Thermostat generates "Heating ON or Heating OFF" signal according to user"s heating target
temperature.
Type
Power
Operating Mode
Supported
Mechanical (1)
1~ 230 V
Heating Only (3)
Yes
Electrical (2)
1~ 230 V
Heating Only (3)
Yes
How to Wire Thermostat
Follow below procedures Step 1 ~ Step 4.
Step 1.
Uncover front cover of the unit and open the control box.
Step 2.
Identify the power specification of the thermostat.
1~230V thermostat is used in the Hydro Kit (For High Temperature).
Step 3.
If it is Heating Only Thermostat, go to step 4.
Step 4.
Find terminal block and connect wire as below.
WARNING :
Mechanical type Thermostat.
Do not connect wire (N) as mechanical type thermostat does not re-
quire 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)
7
L
BR
8
N
BL
9
L1
WH
10
L2
BK
Summary of Contents for ARNH08GK3A2
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