Viessmann VITOTRONIC 200 Service Instructions Manual page 286

PCBs and connection options
Main and expansion PCB
Terminals Function
224.7
/
Circulation pump for DHW reheating
or
/
Control of immersion heater (in DHW
cylinder)
Plug
sXG
Terminals Function
225.1 Heating circuit pump of the heating
circuit with mixer M2/HC2
M2
r
225.2 Mixer motor control, heating circuit
M2/HC2
M2
Signal mixer CLOSE
225.3 Mixer motor control, heating circuit
M2/HC2
M2
Signal mixer OPEN
286
(cont.)
:
:
Explanation
Connection values
Output: 100 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
■
Explanation
Connect a temperature limiter to restrict the maximum
temperature for underfloor heating circuits (if installed)
in series.
Connection values
Output: 100 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
■
Connection values
Output: 10 W
■
Voltage: 230 V~
■
Max. switching current: 0.2(0.1) A
■
Connection values
Output: 10 W
■
Voltage: 230 V~
■
Max. switching current: 0.2(0.1) A
■