Vent Damper Installation & Instructions - Columbia MCB-50J Installation, Operation & Maintenance Manual

Mcb series ii cast iron gas fired boilers for forced hot water
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DAMPER INSTALLATION
Follow Damper installation instructions provided with
damper. See Figure 10.
Figure 10 - Damper Motor Wiring
7 - VENT DAMPER INSTALLATION & INSTRUCTIONS
DAMPER INSTRUCTIONS
Figure 11 - Vent Damper Placement
REFER TO DAMPER MANUFACTURER'S
INSTALLATION INSTRUCTIONS FOR
POSITION OF DAMPER
CONTROL BOX
ACCEPTABLE VENT
DAMPER LOCATIONS
BOILER
Verify only boiler is serviced by Vent Damper. Figure
1.
11.
Clearance of not less than 6 inches (152mm) between
2.
Vent Damper and combustible material must be
maintained. Additional clearance should be allowed for
service of Vent Damper.
Vent Damper must be in the open position when
3.
appliance main burners are operating.
Vent Damper position indicator must be in visible
4.
location following installation.
Thermostat's heat anticipator must be adjusted to
5.
match total current draw of all controls associated with
boiler during heating cycle.
13
UN-ACCEPTABLE
DAMPER LOCATIONS
HOT WATER HEATER
CHIMNEY

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