45
Terminals
Function
Explanation
25X1
Circulation pump, external
heat generator
Boiler option
Connection values
■ Max. output: 4000 W/ 2200 W
■ Voltage:
400 V~/230 V~
■ Max. switching current: 9 A (AC3)
Connect on site.
40X0
Circulation pump, residual
heat, primary circuit
Residual heat option
Connection values
■ Max. output: 4000 W/ 2200 W
■ Voltage:
400 V~/230 V~
■ Max. switching current: 9 A (AC3)
Connect on site.
34X2
Circulation pump, cold wa-
ter, cylinder loading
Cold water option
Connection values
■ Max. output: 4000 W/ 2200 W
■ Voltage:
400 V~/230 V~
■ Max. switching current: 9 A (AC3)
Connect on site.
40X2
Safety pressure switch,
brine pressure
Residual heat
Residual heat option
Connect on site.
Insert jumper if no safety components
are installed.
Circuit protection from load MCB 7F5 (observe the total current of 8 A)
Terminals
Function
Explanation
28X2 (DC) /
31X2 (AC)
Mixing valve, heating circuit
1
Heating circuit 1 option
Connection values
■ Max. output: 180 VA
■ Voltage:
24 VAC/DC/0-10 V
Connect on site.
29X2 (DC) /
32X2 (AC)
Mixing valve, heating circuit
2
Heating circuit 2 option
Connection values
■ Max. output: 180 VA
■ Voltage:
24 VAC/DC/0-10 V
Connect on site.
Installation sequence
Overview of electrical connections
(cont.)
5848 246 GB
Installation