79
Function components 230 V~
Plug
sYA
Terminals
Function
Explanation
211.1
1.
Primary pump (heat pump
stage 1 or common primary
pump), well pump control
Connection values
■ Output: 200 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Connect on site.
For type BWC, the primary pump is con-
nected at the factory.
211.2
1.
Secondary pump (heat
pump stage 1)
■ In systems without a heating water
buffer cylinder, no other heating circuit
pump is required (see terminal 212.2)
■ Connect a temperature limiter to re-
strict the maximum temperature for
underfloor heating circuits (if installed)
in series (see following chapter)
Connection values
■ Output: 130 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Type BW: Connect on site.
Type BWC: Connected at the factory.
211.3
r
1.
Instantaneous heating wa-
ter heater switching,
stage 1
Connection values
■ Output: 10 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Connect on site.
Installation sequence
Electrical connections
(cont.)
5609 667 GB
Installation
