36
Terminals
Function
Explanation
211.2
1.
Secondary pump (heat
pump stage 1)
■ In systems without a heating water buf-
fer cylinder, no other heating circuit
pump is required (see terminal 212.2).
■ Connect a temperature limiter to restrict
the maximum temperature for under-
floor heating circuits (if installed) in ser-
ies.
Connection values
■ Output: 140 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
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
211.4
M
r
■ 3-way diverter valve for
"Central heating/DHW
heating"
Connection values
■ Output: 130 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
■ Circulation pump for cyl-
inder heating
211.5
NC
Switching the natural cool-
ing function
Circuit on site
Connection values
■ Output: 10 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Installation sequence
Electrical connections
(cont.)
5546 267 GB
