HIGH WIND CONDITIONS (OUTDOOR UNITS ONLY) In areas where high winds are frequent, it may be necessary to locate the heater a minimum of 3' from high vertical walls, or install a wind break so the heater
is not in direct wind current.
INDOOR HEATERS
The design is also certified for indoor installation when equipped with the approved draft hood. For Canada, indoor installation is restricted to an enclosure that is not occupied and does not directly communicate with occupied area. Refer to the latest edition of CAN/
Heater with
Indoor Top
VENTING CONNECTIONS
VENT TERMINAL (Outdoor)
STEP | 1: Remove the (4) screws which fasten |
| jacket top to heater. |
STEP | 2: Lower outdoor top onto unit lining up |
| slots in outdoor top with screw holes in |
| jacket top. |
STEP | 3: Reinstall (4) screws to secure jacket top |
| and outdoor top to unit. |
Outdoor Top
Jacket Top
Fig. # 8138
Fig. # 8137
COMBUSTION AIR (INDOOR UNITS ONLY) Air For combustion And Ventilation
(Indoor Units Only)
The heater must have both combustion and venti- lation air. Minimum requirements for net free air supply openings, one 12 inches from ceiling for ventilation and one 12 inches from the floor for combustion air as outlined in the latest edition ofthe National Fuel Gas Code,
CAUTION: Combustion air must not be contaminated by corrosive chemical fumes which can damage the heater and void the warranty.
a.All Air From Inside The Building:
Each opening shall have a minimum of 50 net free square inches.
b.All Air From Outdoors:
When air is supplied directly from outside of building, each opening shall have a minimum of 13 net free square inches.
VENT TERMINAL (Indoor)
Locate and assemble as shown. Secure with screws supplied in envelope inside carton.
Draft Hood
Mounting
Screws
Fig. # 8143
9
