Majestic DBDV36IN Installation Manual page 23

Top Vent - Vertical Termination (continued)
Flue Restrictor Instructions
1. Remove exhaust baffl e using a 1/4 inch nut driver by
removing the two screws securing it in place. See
Figure 4.14.
EXHAUST
BAFFLE
FLUE
RESTRICTOR
(SET ON EITHER TOP OR
REAR VENT
OPENING; SHOWN ON REAR)
Figure 4.14
ALWAYS USED WITH THE
HOLES TO THE RIGHT
5 4 3 2 1
Note: If the DVP-2SL or DVP-SLP24 adapter is used with
SLP pipe, you MUST subtract one number from the table
in Figure 7.9.
Example: Top vent 40 ft vertical with DVP pipe = 4-4
Top vent 40 ft vertical with SLP pipe = 3-3
Figure 4.15. Setting the Flue Restrictor
Majestic • DBDV36IN, DBDV36IL, DBDV42IN, DBDV42IL Installation Manual • 2397-980 Rev. B • 5/16
1 2 3 4 5
ALWAYS USED WITH THE
HOLES TO THE LEFT
2. Match the amount of vertical you have in the system
with the chart to fi nd the appropriate position to set the
fl ue restrictor. See Figure 4.15 and Table 4.1.
3. Center the two fl ue restrictor pieces on the vent at the
setting selected in step 3 and secure in place by using
two self-tapping screws. See Figure 4.14.
4. Reinstall the exhaust shield.
TOP VENT
Vertical
NG
10 ft. 1-1
Restrictor
20 ft. 2-2
30 ft. 3-3
40 ft. 4-4
Table 4.1.
5 4 3 2 1
FLUE RESTRICTOR SET TO 4-4
REAR VENT
LP NG LP
No No No
Restrictor Restrictor
No
1-1 1-1
Restrictor
2-2 2-2 1-1
3-3 3-3 2-2
4 5
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