Technical information

Control Overview—Combustion Air Control
Common Combustion Air Device Interface—Damper Power Open/Close
Applicable for Vitotronic 100, GC1
IMPORTANT
Ensure that combustion air device is
suitable for intended application.
CAUTION
!
Provide disconnect means and over
current protection as required by local
codes
1
3
5
2
4
7
8
6
1 Incoming power supply to
power combustion air device.
Note:
120VAC supply required
2 Field supplied local disconnect
and circuit protection.
3 Common combustion air device
interface.
4 Terminals on circuit board to
terminate air proving switch
from air device and terminals to
power device.
Note:
120VAC 5FLA maximum
5 Field supplied and wired
120VAC relay for operation of
power open/power close
damper.
Note:
120VAC bypass around
interface to normally closed
contact of relay.
6 Field supplied wire for
interconnection between
interface and combustion air
device.
7 Field supplied wire for
interconnection of air proving
switch and interface.
8 Combustion air device such as
damper.
NOTE:
This drawing is suitable for power
open/close damper only.
Section 3.5.6
Section 3
Connection Overview
5346540 v1.0 09/2006 Technical information subject to change without notice
67