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6 AQ4 Manual
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Fig. 2 Vibration mounts and recommended support
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6"
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6"
Fig. 3 Minimum clearances to power vent motor
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6"
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Fig. 4 Vent connection to power vent motor
AQ4 Installation instructions
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6"
2.4 Power vent motor
Caution:Caution:
Caution:Caution:
Caution: Power vent motor must be
mounted with vibration mounts and with
motor shaft horizontal to prevent motor
bearing wear.
1. Remove vibration mounts, nuts and washers from
parts bag. Install on power vent motor as shown
in Fig. 2.
2. To prevent vibration, securely support power vent
motor from ceiling or joist using a plumber’s strap
fastened to the vibration mounts. As an alternative
means of support, a wall bracket may be used to
support the underside of the motor. Observe a 6"
clearance to combustibles on all sides of the
power vent motor. (Fig. 3)
3. Connect the power vent motor outlet to the inner
sleeve of the vent hood (Fig. 4). Use the four pre-
punched holes in the outlet collar of the power
vent motor as a guide to drill 1/8" diameter holes
into the vent pipe. Fasten power vent motor outlet
to the vent hood inlet using sheet metal screws.
Seal the connection with high temperature silicone
sealant.
Note: Note:
Note: Note:
Note: Any additional vent pipe used
between the power vent motor and the
vent hood will be under positive pressure
during operation. This vent pipe must be
single wall galvanized or stainless steel
vent pipe. The connections must be
sealed with high temperature silicone
sealant.
4. Route the control cable from the power vent motor
along the ceiling or joists down to the right side
of water heater, taking care not to come within 6"
of the vent pipe or any other potentially hot
surface. In many cases, the gas or water supply
piping can be used as a routing path from the
ceiling down to the right side of the water heater.
Use the supplied nylon ties to secure the cable.