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Rev. C 11-1-01 P/N 471593
19
VENTILATION
OUTDOOR INSTALLATION ONLY (Outdoor Shelter Installation in Canada, see page 16)
For outdoor installation with built in vent, the heater must be placed in a suitable area on a level, noncombustible
surface. Do not install the heater under an overhang with clearances less than 3 feet from the top of the heater. The
area under an overhang must be open on three sides.
Maintain minimum clearances as indicated below. Install a minimum of 4 feet below, and 4 feet horizontally from any
opening to a building, see Figure 17.
IMPORTANT!
When locating the heater, consider that high winds can roll over or deflect off adjacent buildings
and walls. Normally, placing the heater at least three feet from any wall will minimize downdraft.
NOTE
This unit shall not be operated outdoors at temperatures below -20
o
F. for natural gas.
Installation (Outdoor)
MINIMAX NT VENTING GUIDELINES
OUTDOOR INSTALLATION
B
C
D
Must be not less than 7 ft. above public walkways.
Must be at least 3 ft. above any forced
air inlet located within a 10 ft. radius.
A
B
C
D
E
Vent Termination:
Check local building codes
for setback requirements.
Property Line
4'
1'
4'
4'
Walkway
3'
A
Must be located the following distances away
from any door, window, or gravity air inlet:
4 ft. below, or
4 ft. horizontally, or
1 ft. above
E
Figure 17.