Majestic® Fireplaces Power Venting System
18” (457mm)
Minimum
FP1421
Fig. 5 An 18” (457mm) minimum vertical rise is necessary before a 90° elbow.
Incorrect | Correct | FP1423 |
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4.Install optional sound reducer (Model SR5 or SR4) onto fireplace. See Installation Instructions pack- aged with sound reducer.
5.Mount Power Venter
NOTE: It is best to locate the fan near the vent terminal. However, if such a location is not suitable, the fan can be installed anywhere within the vent system.
a.Remove vibration isolation mount and retain the nut from the parts bag and install. Install on Power Venter as shown in diagram. Next install flexible duct piece and outlet collar using four (4) screws to fasten.
b.To prevent vibration, securely support Power Venter from ceiling or joist with Power Venter bracket. (Fig. 8)
c.By using 1” (25 mm) bracket, clearance to fan is maintained at 1” (25 mm). The addition of the 6” (152 mm) bracket, maintains a 6” (152 mm) clear- ance to combustibles.
Vertical Mounting
Fig. 6 Vent pipe transitions should be gradually tapered.
Power Venter |
|
Negative Pressure | Positive Pressure |
|
All seams on the positive side of power venter to be sealed with high temperature silicone sealant.
Ceiling 
6” (152 mm) 
Bracket
1” (25 mm) Bracket 
Vibration
Isolation
Mounts
Fan 
FP1424
Power Venter
Bracket
Discharge
Power Venter
FP1422
Fig. 7 Vent pipe connections and all joints on the outlet side of the power venter must be sealed with high temperature sealant.
Installation
1. | Cut 6¹⁄₄” (159mm) diameter hole through outside wall |
| - see General Code Requirements for proper loca- |
| tion. |
2. | Install vent terminal. Fasten from outside with four |
| (4) screws and caulk around flange edge. |
Horizontal Mounting
Wall or
Wall
Studs 
Discharge
Fan
3. Locate fireplace and fasten to floor as shown in fire- |
place manual. |
Power Venter Bracket
FP1425
Fig. 8 Power venter mounting options.
6 | 51810 |