Outdoor Patio Heater
10
Operating Instructions and Owner’s Manual
In case the manifold pressure is changed for this reason, the altitude label in the conversion kit must be completed and affixed to the unit:
TABLE 5: Natural Gas
Heating Values at Altitude
TABLE 6: Propane Gas
Heating Values at Altitude
Model
Altitude 0-2000 ft. (0-610m)
Altitude 2000-3000 ft. (610-910mm)
Manifold Pressure
Input Rating
Manifold Pressure
Input Rating
[“ W.C.]
[kPa]
[BTU/Hr]
[W]
[“ W.C.]
[kPa]
[BTU/Hr]
[W]
MHRP37GL
6.4
1.6
37,000
10,844
5.90
1.47
35,520
10,410
Model
Altitude 0-2000 ft. (0-610m)
Altitude 2000-3000 ft. (610-910mm)
Manifold Pressure
Input Rating
Manifold Pressure
Input Rating
[“ W.C.]
[kPa]
[BTU/Hr]
[W]
[“ W.C.]
[kPa]
[BTU/Hr]
[W]
MHRP37GL
7.5
1.87
37,000
10,844
6.91
1.72
35,520
10,410
Model
Altitude 3000-4000 ft. (910-1220m)
Altitude 4000-4500 ft. (1220-1350mm)
Manifold Pressure
Input Rating
Manifold Pressure
Input Rating
[“ W.C.]
[kPa]
[BTU/Hr]
[W]
[“ W.C.]
[kPa]
[BTU/Hr]
[W]
MHRP37GL
5.42
1.35
34,040
9,976
5.18
1.30
33,300
9,760
Model
Altitude 3000-4000 ft. (910-1220m)
Altitude 4000-4500 ft. (1220-1350mm)
Manifold Pressure
Input Rating
Manifold Pressure
Input Rating
[“ W.C.]
[kPa]
[BTU/Hr]
[W]
[“ W.C.]
[kPa]
[BTU/Hr]
[W]
MHRP37GL
6.35
1.58
34,040
9,976
6.08
1.51
33,300
9,760
This appliance was converted on ______ (day-month-year)
for operation at ____ ft.(___m) altitude by ____________
(name and address of the organization making this conver
-
sion) which accepts the responsiblity that this conversion
has been properly made.
Manifold pressure adjustment____W.C. Input rating____
Btu/hr
HIGH ALTITUDE OPERATION
This Unit heater is factory configured for altitudes from 0 – 2,000 ft above sea level. Above 2000 ft. (610m), manifold pressure must be
adjusted according to the following tables:
