Viessmann Vitocal 300-G Series Installation And Service Instructions Manual page 27

Electrical connection
Plug
sXF
Terminals Function
224.2 Primary pump for heat pump stage 2
2.
224.3 Secondary pump for heat pump
stage 2
2.
224.4 Switching an instantaneous heating
water heater, stage 2
2.
r
224.5 Circulation pump for cylinder heating
for heat pump stage 2
2.
224.6
Cylinder loading pump (DHW side)
2-way shut-off valve
M
224.7
Circulation pump for DHW reheating
or
Control of immersion heater (in DHW
cylinder)
(cont.)
Explanation
Connection values
Output: 200 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
■
Connection values
Output: 130 W
■
Voltage: 230 V~
■
Max. switching current: 4(2) A
■
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 loading 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
■
Installation sequence
27