24
Plug
sYA
Terminals
Function
Explanation
211.1
1.
■
Primary pump (heat pump stage 1
or shared primary pump)
■
Control of well pump
Connection values
■
Output: 200 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
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 in series to restrict the
maximum temperature for underfloor heating circuits
(if installed).
Connection values
■
Output: 140 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
211.3
r
1.
Control of instantaneous heating wa-
ter heater, stage 1
Connection values
■
Output: 10 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
211.4
M
r
■
3-way diverter valve "central heat-
ing/DHW heating"
Connection values
■
Output: 130 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
■
Circulation pump for cylinder heat-
ing
211.5
NC
Control of the natural cooling function Circuit on site
Connection values
■
Output: 10 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
Plug
sYS
Terminals
Function
Explanation
212.1
AC
Control of the active cooling function
Circuit on site
Connection values
■
Output: 10 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
212.2
A1
Heating circuit pump for heating cir-
cuit without mixer A1/HC1
■
This pump is connected in addition to the secondary
pump if a heating water buffer cylinder is installed.
■
Connect a temperature limiter in series to restrict the
maximum temperature for underfloor heating circuits
(if installed).
Connection values
■
Output: 100 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
Installation sequence
Electrical connection
(cont.)
5855006
Installation
