Rev. B 4-5-02
P/N 472089
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.
IMPORTANT!
In an outdoor installation it is important to ensure water is diverted from overhanging eves with a
proper gutter/drainage system. The heater must be set on a level foundation for proper drainage.
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 18.
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
E
Check local building codes
for setback requirements.
Property Line
4'
1'
4'
4'
Walkway
3'
A
E
Figure 18.
CAUTION
If installing the heater next to or near an air conditioning unit or a heat pump, allow a minimum of 24 in.
between the air conditioning unit and the heater.
