Viessmann VITOTRONIC 200 Service Instructions Manual page 159

Main and extension PCB
Plug sXF
Terminals Function
224.4 Control of instantaneous
heating water heater,
stage 2.
2.
r
224.5
:
Circulation pump for cylinder
heating for heat pump stage
2.
:
2.
Fan stage 2 (factory connec-
tion).
224.6 ■ Cylinder primary pump
(DHW side)
■ 2-way shut-off valve
M
224.7 Circulation pump for DHW
reheating
or
Immersion heater control
(cont.)
Explanation
Connection values
■ Output: 10 W
■ Voltage: 230 V~
■ Max. switching current: 4 (2) A
Connection values
■ Output: 130 W
■ Voltage: 230 V~
■ Max. switching current: 4 (2) A
Connect cylinder primary pump and 2-
way shut-off valve in parallel.
Connection values
■ Output: 130 W
■ Voltage: 230 V~
■ Max. switching current: 4 (2) A
Connection values
■ Output: 100 W
■ Voltage: 230 V~
■ Max. switching current: 4 (2) A
PCBs and connection options
159