Dunkirk DXL Series - Manual (Page 13)

13
DAMPER INSTALLATION
NOTE: Refer to Figure 10 for steps 1-6.
1. Place vent damper on or as close to vent outlet of
boiler as possible. See Figure 12 .
2. Remove vent damper motor cover.
3. Feed damper wire harness connector through bracket
hole on damper motor frame.
4. Tighten locknut onto damper wire harness connector.
5.
Plug damper connector into socket on damper motor
frame.
6. Replace damper motor cover and wire damper. See
Figure 11 .
DAMPER INSTRUCTIONS
1. Verify only boiler is serviced by vent damper. See
Figure 12 .
2. Clearance of not less than 6 inches between vent
damper and combustible material must be maintained.
Additional clearance should be allowed for service of
vent damper.
3.
Vent damper must be in the open position when
appliance main burners are operating.
4. Vent damper position indicator must be in a visible
location following installation.
5. The thermostat's heat anticipator must be adjusted to
match the total current draw of all controls associated
with boiler during heating cycle.
9 - VENT DAMPER INSTALLATION & INSTRUCTIONS
Figure 11 - Damper Motor Wiring
Figure 12 - Vent Damper Placement
Vent Damper
Vent Outlet
Damper Motor
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