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I
U
NSTALLATION OF THE
WARNING: Install the oil vent damper system to service only the single appliance for
which it is intended. If improperly installed a hazardous condition such as an explosion
or carbon monoxide poisoning or death could result.
I
V
NSTALLATION OF THE
CAUTION
The plug is installed for minimum leakage. If an odor or
nozzle after drip occurs, the plug may be removed to allow minimal
ventilation through the appliance burner. The ventilation helps to cool the
burner nozzle in the standby mode.
CAUTION
Failure to follow these instructions can cause odor
problems and minor property damage. Do not install the vent plug on systems
with a brick combustion chamber.
1. The vent plug is to be installed for a tight seal. To avoid motor assembly
damage,
be careful not to turn the damper gate manually, while installing the
vent plug.
2. The vent plug is located on the front cover of this installation manual.
3. Insert the vent plug into the hole in the damper gate. To secure the vent plug,
bend the four tabs on the vent plug outward (See Figure 2).
I
V
NSTALLATION OF THE
CAUTION
The vent damper system must be located only in the vent
pipe that services a single appliance for which it is electrically connected
and controlled.
VERTICAL PIPE INSTALLATIONS
sensitive. You may mount the vent damper in any position. Maintain a
minimum of 18 inches (457 mm) between the damper pipe surface and
combustible material.
HORIZONTAL PIPE INSTALLATIONS: To avoid premature failure of the oil
vent damper refer to Figure 3. Avoid mounting the damper directly above
or below the vent pipe. We suggest 1:00 to 5:00 or 7:00 to 11:00 'o clock
positions. Maintain a minimum of 18 inches (457 mm) between the damper
pipe surface and combustible material.
1. Before starting the installation, turn off all electrical power to the
appliance at the appliance service switch or circuit breaker.`
2. Locate a position in the vent pipe between the draft control and
chimney for the damper device. Install the oil vent damper, as close to the draft control as practical (within a
minimum of two inches from the draft control collar), without modification of either the draft control or the vent
damper device. (Layout A)
3. The WMO-1 Blocked Vent safety shut off must be installed between the appliance flue collar and draft control.
(NOTE: The metal shielded cable wire harness from the WMO-1 safety switch and vent damper is only 24 inches
(609 mm)). (Layout A) Wire harness plugs into motor assembly. Push and lock keyed wire harness into motor
assembly receptacle. Push and lock metal y-connector into strain relief bracket.
4. A minimum clearance of 18 inches (459 mm) between the vent damper pipe and combustible material must be
maintained and there must be provisions for access to service the oil vent damper system.
5. Remove the appropriate section of vent pipe connector on the downstream side of the draft control and shorten
the pipe to make clearance for the vent damper pipe (See Table 1 for proper dimensions and Layout B). If
needed, crimp the end of the vent pipe near the outlet of the draft control. The vent pipe and vent damper pipe
assembly joints should overlap 1¼ Inches (32 mm).
NIT
P
ENT
LUG
D
ENT
AMPER
The oil vent damper is not position
:
5
Figure 2
Figure 3
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