Viessmann Vitocal 300-G Installation And Service Instructions Manual page 83

Electrical connections
Central fault message
223.1
230 V~, 0.5 A
A
223.2
A Terminals on extension PCB
Plug sXF
Terminals Function
224.2 Primary pump for heat pump
stage 2 (if installed)
2.
224.3 Secondary pump for heat
pump stage 2 (if installed)
2.
224.4 Control of instantaneous
heating water heater,
stage 2
2.
r
224.5 Circulation pump for cylinder
heating (on the heating
water side) for heat pump
stage 2 (if installed)
2.
(cont.)
L1
N
Explanation
Connection values
■ Output: 200 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Connect on site.
Connection values
■ Output: 130 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Connect on site.
Connection values
■ Output: 10 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Connect on site.
Connection values
■ Output: 130 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Connect on site.
Installation sequence
83