Table of Contents
Advertisement
!
WARNING
Asphyxiation or burn hazard. Improper installation
and operation of vent damper could result in serious
injury or death due to fire or to asphyxiation from
poisonous gases such as carbon monoxide which is
odorless and invisible.
Vent Damper Installation - Follow all cautions and
notes.
• Install vent damper to service only single appliance for
which it is intended.
• Do not install vent damper with 6" (15mm) of
combustible material.
• Do not install vent damper on vent pipe curve.
• Do not run wires near high temperature surfaces. Use
standoff brackets if necessary.
• Install vent damper with actuator to sides of vent only.
Do not mount above or below vent.
Check vent damper and all flue product carrying
areas of boiler annually for deterioration from
corrosion or other sources. If you see corrosion or
other deterioration, contact your service agent for
repairs.
Check vent damper operation as follows:
1.
When boiler is off, check vent damper positions
indicator points to closed position. See Figure 10.
2.
Turn thermostat or controller up to call for heat and
check vent damper indicator points to open position
See Figure 10.
3.
Turn thermostat or controller down again and check
damper position indicator returns to closed position.
4.
Return thermostat to desired position.
Inspect vent damper at least once a year by
trained service technician.
Manual Operation of Vent Damper
• Place vent damper in open position to permit burner
operation by using "HOLD DAMPER OPEN" switch,
located on damper controller.
• Thermostat controls burner firing as before, while
damper remains open.
• DO NOT turn damper open manually, motor damage
will result.
• Set switch to "AUTOMATIC OPERATION" to close vent
damper during burner off cycle.
• For further information, and for vent damper
troubleshooting guide, refer to manual packaged with
vent damper.
VENT DAMPER OPERATION
Figure 8 - Horizontal Installation
To Boiler Vent Damper
Figure 9 - Alternate Vent Damper Installation
Caution: Do not
install Vent Damper
within 6" (152mm)
of combustible
Install Damper Here
Boiler
Figure 10 - Vent Damper Position Indicator
Flow
14
Horizontal Installation
Flow
Chimney
T
o
Chimney
Vent Damper
Flow
To Boiler
material
Damper Closed
Showing Open and Closed Positions
NO
YES
YES
T
NO
o
Install vent damper
with actuator to sides
of vent only. Do not
mount above or below
vent.
Actuator may
be installer in
any position.
Do Not
Install
Here
Chimney
Damper Open
Advertisement
Table of Contents
