Viessmann Vitotronic 100 GC1 Installation And Service Instructions Manual page 42

Installation – Vitotronic 100, GC1
Connection of single combustion air devices on mulitple boiler system
42
If a single combustion air device is
required for a multiple boiler system,
a Common Combustion Air Interface
must be installed.
Rated voltage: 120 VAC
Rating current: max 5 FLA
Recommended connection
wire size: AWG 14
1. Install Combustion Air Device
Adaptor on each boiler.
PN: 7134 563
2. Install Common Combustion
Air Device Interface,
PN: 7134 604
as per supplied manual.
3. Make connection as shown in
the diagram at left.
A Common Combustion Air Device
Interface (wall mount)
B Combustion Air Device Adaptor
in connection enclosure on each
boiler
C Interconnecting wiring
(field supplied and connected)
Refer to Istallation and Operating
Instructions of Common Combustion
Air Device Interface for details.