Viessmann Vitotronic 100 GC1 Installation And Service Instructions Manual page 43

Connection of single combustion air devices on mulitple boiler system
D
Installation – Vitotronic 100, GC1
Connection of the combustion air
blower
A Common Combustion Air Device
Interface
B Combustion air device motor
120VAC, 5 FLA max.
C Proving switch rated for 120 VAC
D Power supply, 120 VAC
¨Safety instruction!
Provide disconnect means and
overcurrent protection as required
by local codes.
See blower manual for current rating
to correctly select the fuse.
See Common Combustion Air Device
Interface manual for Installation and
Operating details.
1. Disconnect power to control and
burner.
2. Make the connections as shown
in the diagram.
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