Viessmann Vitocal 300 AWO-M-AC 301.A, Installation And Service Instructions Manual

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81
Plug
sYA
Terminals Function Explanation
211.3
r
1.
Instantaneous heating
water heater control,
stage 1 Connection values:
■ Output: 10 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Connect on site (see installation instruc-
tions for instantaneous heating water
heater and control module).
211.4
M
r
Type AWCI-M-AC 301.A :
3-way diverter valve for
"Central heating/DHW heat-
ing"
Type AWO-M-AC 301.A :
Circulation pump for cylin-
der heating
Connection values:
■ Output: 130 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Type AWCI-M-AC 301.A :
Connected at the factory.
Type AWO-M-AC 301.A :
Connect on site.
211.5
NC/AC
3-way diverter valves for
heating water buffer cylinder
bypass in cooling mode Connection values:
■ Output: 10 W
■ Voltage: 230 V~
■ Max. switching current: 4(2) A
Connect on site; terminate 3-way
diverter valves parallel to each other.
Installation sequence
Electrical connections in the heat pump control…
(cont.)
5692 875 GB
Installation