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Terminal strip for system components, heat pump external
Overview of electrical connections
Terminal strip, external connections
Connection and wiring diagram
400 V~/230 V~ components
External connections
Terminals
Function
Explanation
12X0
Floating alarm contact for
compressor 1
Contact closed during oper-
ation
Connection values
■ Max. voltage: 250 V~
■ Max. switching current: 4 A (AC1)
Connect on site.
12X2
Floating alarm contact for
compressor 2
Contact closed during oper-
ation
Connection values
■ Max. voltage: 250 V~
■ Max. switching current: 4 A (AC1)
Connect on site.
12X4
Floating alarm contact for
compressor 3
Contact closed during oper-
ation
Connection values
■ Max. voltage: 250 V~
■ Max. switching current: 4 A (AC1)
Connect on site.
12K8/11;14 Potential-free central fault
message for the heat pump
Contact open when there is
a fault
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
Installation