LAARS Mighty Max VW (Sizes 320M - 400M) - Installation, Operation and Maintenance Instructions - Manual (Page 12)

Page 12
LAARS Heating Systems
Figure 8. Top-To-Rear Vent Collar.
Adapter Plate
Top Panel
Vent
Collar/Stack
Blank Plate
(Heater
Jacket)
Blank Plate On
Flue Collector
Blank Plate On
Heater Jacket
Top Panel
1. Removal of Blank Plate and Adapter
Plate From Heater
3. Blank Plate Placement
Over Stack Top Opening
Blank Plate
(Flue
Collector)
Vent
Collar/Stack
2. Removal of Blank Plate From
Rear of Flue Collector
4. Connecting Vent Collar/Stack
to Flue Collector
Table 7. Vent Piping Specifications (Combustion Air Exhaust).
Heater
Pipe Diameter Max Pipe Length
Max No. Side Wall Side Wall
Size of Elbows Vent Terminal Combustion Air
in. mm ft. m
Part Number Terminal Part Number
320M 6 152 50 15 5 D2004500 20260701
400M 7 178 50 15 5 D2004600 20260702
IMPORTANT: Maximum pipe length allowed is 50 feet (15m), regardless of the number of elbows. Maximum number of elbows allowed is 5.
Vent pipe minimum clearance from combusible surfaces is 6 inches (152mm).
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