CLEARANCES TO COMBUSTIBLES
The clearance to combustible materials represents the minimum distance that
must be maintained between the heater and a nearby surface.
The stated clearance to combustibles represents a surface temperature of 90
degree Fahrenheit (32 degrees Celsius) above room temperature. Building material with
a low heat tolerance may be subject to degradation of lower temperatures. It is the
installer’s responsibility to assure that adjacent materials are not subject to degradation.
A warning statement that an overhead heater is present should be installed so
that the minimum clearances marked on the heater will be maintained from vehicles
parked below the heater.
Minimum clearances (inches) from combustibles measured from radiant surface.
Clearances are reduced by 1/3, 15 ft (4.6 meters) from the burner.
For installation at elevations above 2000 ft (610m), the appliance shall be de-rated 4
percent for each 1000 ft (305m) of elevation above sea level.
Model
Length
Input (BTU)
Hangers
Weight
Clearance to Combustibles in inches
ft.
(mm)
Below
(mm)
Sides
(mm)
Top
(mm)
Back (45
degrees)
PPRTH-50-15
17
(5182)
50,000
4
88 lbs
39.8 kgs
48
(1220)
25
(635)
4
(102)
16
(406)
PPRTH-75-20
PPRTH-85-25
22
(6706)
27
(8230)
75,000
85,000
4
6
115 lbs
47.5 kgs
124 lbs
56.2 kgs
48
(1220)
48
(1220)
25
(635)
25
(635)
4
(102)
4
(102)
16
(406)
16
(406)
ABOVE
BELOW
SIDE
SIDE
ABOVE
BELOW
45 DEG. MAX
BACK
Side
ANGLE MOUNTING
Содержание PPRTH-50-15
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