Technical information

1
Control Overview—Combustion Air Control
Combustion Air Device Adaptor Module—Damper (spring close) Single Boiler
Applicable for Vitotronic 100, GC1 and Vitotronic 300, GW2
3
2
5
4
6
Combustion Air Device Adaptor
Rated Voltage: 120VAC
Rated Current: max 5FLA
Recommended connection wire size: AWG 14
Technical Information
Section 3.5.6
Section 3
1 The combustion air device
adaptor module is mounted
onto the DIN rail inside of the
control harness connection
enclosure.
2 Wire the interconnection cabling
between the adaptor and
control.
3 Connect the harness from the
module to the [150] terminal
blocks. Remove jumper
between terminals 16 and 17.
4 Field supplied equipment:
Power supply for damper
Local device disconnect
Device protection.
5 Drive motor for damper or
blower.
6 Connection of normally open
proving switch. Closes on
damper opening or blower air
movement.
Proving switch terminated at
NO/NO terminals of adapter.
Combustion air device
connected to terminals L/L on
adaptor module.
Connection Overview
IMPORTANT
Wire BK2 must be connected to
terminal 16 and BK3 to terminal 17.
DO NOT REVERSE. Failure to ensure
this will affect the operation of the
connected device.
Failure to remove jumper between
terminals 16 and 17 will not shut
down the burner regardless of the
state of the air proving switch.
IMPORTANT
Ensure combustion air device is
suitable for intended application.
CAUTION
!
Provide disconnect means and over
current protection as required by local
codes.
CAUTION
!
When making connections with
individual boiler interface adaptors,
ensure the power is turned off at the
boiler control.
5346540 v1.0 09/2006 Technical information subject to change without notice
61