52
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/fuse 7F5 (observe the total current of 8 A)
Terminals
Function
Explanation
28X2 (DC) /
31X2 (AC)
Mixing valve, heating circuit
1
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
Connection values
■ Max. output: 180 VA
■ Voltage:
24 VAC/DC/0-10 V
Connect on site.
Installation sequence
Overview of electrical connections
(cont.)
5848 449 GB
