54
Terminals
Function
Explanation
22X0
Diverter valve
Loading, DHW cylinder
DHW cylinder option
Connection values
■ Voltage:
24 VDC
■ Max. switching current:
4 A
Connect on site.
23K8/11;14 Potential-free activation sig-
nal, emergency heating,
DHW cylinder
Contact closed in the case of
a demand
DHW cylinder option
Connection values
■ Max. voltage:
250 V
∼
■ Max. switching current:
4 A (AC1)
Connect on site.
25K5/11;14 Potential-free activation sig-
nal, external heat generator
Contact closed in the case of
a demand
External heat generator op-
tion
Connection values
■ Max. voltage:
250 V
∼
■ Max. switching current:
4 A (AC1)
Connect on site.
40X3
Diverter valve, residual heat/
heating
Residual heat option
Connection values
■ Voltage:
24 VDC
■ Max. switching current:
4 A
Connect on site.
38K8/11;14 Potential-free activation sig-
nal, dry cooler
Contact closed in the case of
a demand
Dry cooler option
Connection values
■ Max. voltage:
250 V
∼
■ Max. switching current:
4 A (AC1)
Connect on site.
Installation sequence
Overview of electrical connections
(cont.)
5848 449 GB