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050505-36 36ARB2 19
VENT RESTRICTOR ADJUSTMENT
The vent restrictor is located on the underside of the rebox
top. The unit leaves the factory with the vent restrictor wide
open. The restrictor is built into the appliance for secondary
air ow adjustment. Adjustment enables tuning the air ow
for optimum ame appearance and performance for a wide
variety of vent con gurations.
Setting:
- determine the vent height
- determine the vent horizontal length
- from the chart determine the restrictor position
Refer to the chart in Fig. 26 for the correct position of restrictor
for the vent con guration of your installation. Restrictor posi-
tions are based upon lab tests. The ideal position may vary
slightly with installation.
Restrictor position is too closed if the ame has the following
characteristics:
- Flame is excessively tall and lifting.
- Flame lacks movement.
- Flame soots.
Restrictor position is too open if the ame has the following
characteristics:
- Flame height is low.
- Flame has excessive movement.
To adjust the restrictor:
- Loosen the screw holding the restrictor.
- Push the restrictor back to its intended opening.
- Tighten the screw
MANUFACTURED (MOBILE) HOME
In some jurisdictions, the Town & Country Fireplace may
be installed in Manufactured Homes after the " rst sale".
Consult local codes for approval. The replace must be
fastened in place.
Install in accordance with the current standard Mobile Homes,
CAN/CSA Z240 MH (in CANADA), and the Manufacturer's
Home Construction and Safety Standard, Title 24 CFR,
Part 3280 or the current Standard for Fire Safety Criteria for
Manufactured Home Installations, Sites and Communities
ANSI/NFPA 501A (in the U.S.A.).
WALL AND ROOF
TERMINATION
RESTRICTOR
POSITION
VENT RESTRICTOR
Fig. # 26
Fig. # 25
OPENING
12'
10'
30'
40'
48'
6'
4'
2'
0'
8'
30'
18"
4'
20'
22'
18'
20'
FULLY OPEN
3" OPEN
2" OPEN
3/4" OPEN LP
10'
0'
1" OPEN NG
6' 8' 10' 12' 14' 16' 18' 20'