ENGLISH-44
Wiring work
1 phase
3 phase
Booster heater (DHW, assembly in factory)
1 Phase
ELCB
1 Phase
ELCB
3 Phase
ELCB
DHW Tank
Connection of the thermostat
Description
No. of wires
Max. current
Thickness
Supply Scope
Room Thermostat
4
22mA
> 0 .75 mm
2
, H05RN-F or
H07RH-F
Field supply (220-240V~,
Input)
N L C1 H1
N L C2 H2
B24 : THERMOSTAT02_HEATING (H2)
THERMOSTAT01
THERMOSTAT02
B23 : THERMOSTAT02_COOLING (C2)
B22 : THERMOSTAT01_HEATING (H1)
B21 : THERMOSTAT01_COOLING (C1)
B20 : Live (L)
B19: Neutral (N)
1 . Before the installation, hydro unit should be turned off .
2 . Using the appropriate equipment to correct position of terminal
block as shown on the diagram .
3 . Make sure what type is you use .
- Contact signal must be “ L “ . When you install two thermostats,
thermostat2 is prior to thermostat1 .
• Product will not operate when signal for cooling and
heating mode is inputted at the same time .
CAUTION
Connection of the 2-way valve
Description
No. of wires
Min. / Max. current
Thickness
Supply Scope
Motorized 2-way valve to shut off
UFH loops during cooling .
2+ground
10mA / 50mA
> 0 .75 mm
2
, H05RN-F
or H07RH-F
Field supply (220-
240V~, Output)