FIGURE 22
FLASHING
Spacers are attached to the exhaust liner at predetermined intervals to maintain a 1-1/4" air gap to the air intake vent pipe. These spacers must not be removed.
FIREPLACE VENT CONNECTION
1. Install the 5 inch diameter aluminium flexible liner to the fireplace. Secure with 3 screws and flat washers. Seal the joint and screw holes using the high temperature seal- ant Mill Pac.
2. Install the 8 inch diameter aluminium flexible liner to the fireplace. Attach and seal the joints.
FIGURE 23
W415-0484 / A / 07.26.06
WEATHER SEALANT
STORM
COLLAR
AIR INLET BASE
CAULKING

16

5.Remove nails from the shingles, above and to the sides of the chimney. Place the flashing over the air terminal and slide it underneath the sides and upper edge of the shingles. Ensure that the air terminal is properly centred within the flashing, giving a 3/4" margin all around. Fasten to the roof. Do not nail through the lower portion of the flashing. Make weather-tight by sealing with caulking. Where possible, cover the sides and top edges of the flashing with roofing material.

6.Apply a heavy bead of weatherproof caulking 2 inches above the flashing. Slide the storm collar around the air terminal and down to the

caulking. Tighten to ensure that a weather-tight seal between the air terminal

and the collar is achieved.

Attach the other storm 2” collar centred between the

air intake vent pipe and the air exhaust slots onto the air terminal. Tighten securely. Attach the vertical rain cap.

RESTRICTING VERTICAL VENTS

Vertical terminations may display a very active flame. As this appearance is not desirable, the vent exit must be restricted using restrictor plate, W500-0205. This reduces the velocity of the exhaust gases, slowing down the flame pattern and creating a more traditional appearance.

Remove the two screws on either side of the exhaust collar inside the firebox. Install the plate as shown. The plate is adjustable depending on the required restriction. Replace the screws.

FIGURE 24

TOP OF THE

FIREBOX

FLUE COLLAR

RESTRICTOR PLATE

GAS INSTALLATION

Proceed once the vent installation is complete.

1.Move the fireplace into position and secure using the nailing tabs and/or secure to the floor through the ¼"diam- eter holes located at either end of the base.

2.Route a 3/8" N.P.T. black iron gas line, 1/2" type-L cop- per tubing or equivalent to the fireplace.

3.For ease of accessibility, an optional remote wall switch or millivolt thermostat may be installed in a convenient lo- cation. Route 2-strand (solid core) millivolt wire through the electrical hole located at the bottom left side of the unit. The recommended maximum lead length depends on wire

size:

WIRE SIZE

MAX. LENGTH

 

14

gauge

100 feet

 

16

gauge

60 feet

 

18

gauge

40 feet

Attach the two leads to terminals 1 and 3 located on the gas valve.

FIGURE 25

4.Install rigid black pipe, 1/2" type-L copper tubing or, if local codes permit, a 3/8" flex connector and shutoff valve to the gas line and the fireplace gas valve.

FIGURE 26

Seal and tighten securely. An adapter fitting is required between the gas valve and the copper tubing or flex con- nector. Do not kink flex connector.

5.Check for gas leaks by brushing on a soap and water solution. Do not use open flame.

Do not connect either the wall switch, thermostat or gas valve to electricity (110 volts).

Purge all gas lines with the glass door of the fireplace removed. Assure that a continuous gas flow is at the burner before re-installing the door.

Page 16
Image 16
Napoleon Fireplaces B36DFP, B36DFN manual Restricting Vertical Vents, GAS Installation