50
Terminals
Function
Explanation
211.2
Secondary pump
Connection values
■ Max. output: 130 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Connected at the factory.
■ In systems without a heating water buf-
fer cylinder, no other heating circuit
pump is required (see terminal 212.2)
■ Connect the temperature limiter as a
maximum temperature limiter for under-
floor heating circuit in series on site (see
page 42)
211.4
M
r
A
AB
B
3-way diverter valve
"Heating/DHW"
Connection values
■ Max. output: 130 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
3-way diverter valve connected at the fac-
tory; connect the cylinder primary pump in
parallel on site
In conjunction with the pri-
mary store system:
■ Cylinder primary pump
M
■ 2-way shut-off valve
Controller and sensor PCB
Set the required parameters during com-
missioning; see from page 74.
Note
■ Plug F11, F17:
Nothing must be connected to plug
F11 and F17 on site.
Sensors
Plug
Sensor
Type
F0
Outside temperature sensor; connect on site
Ni 500
(PTC)
F4
(X5.6/X5.7)
Buffer temperature sensor, top; connect on site
Pt 500
(PTC)
F6
(X6.1/X6.2)
Cylinder temperature sensor, top; connect on site
Pt 500
(PTC)
Installation sequence
Electrical connections
(cont.)
5601 429 GB