Commander Ductable Make-Up Air Heater
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Owner’s Manual •
Commander Ductable Make-Up Air Heater
4
Specifications
CM500
CM1000
Fuel Type
Propane Gas Natural Gas Propane Gas Natural Gas
Maximum Input (Btuh / kW)
500,000 / 146.5
1,000,000 / 293
Minimum Input (Btuh / kW)
100,000 / 29.3
200,000 / 58.6
Inlet Gas Supply Pressure Acceptable
at the Inlet of the Heater for Purpose of
Input Adjustment (In. W.C. / kPa)
MAX.
13.8 / 3.4
MIN.
13.8 / 3.4
Burner Manifold Pressure
(In. W.C. / kPa)
MAX.
3.3 / 0.82
8.0 / 1.99
3.3 / 0.82
8.0 / 1.99
MIN.
0.9 / 0.22
1.1 / 0.27
0.7 / 0.17
0.8 / 0.20
Fuel Consumption Per Hour
MAX.
23.2 lbs. /
10.5 kg
500 cu. ft. /
14.2 m³
46.4 lbs. /
21.0 kg
1000 cu. ft. /
28.3 m³
MIN.
5.8 lbs. /
2.6 kg
100 cu. ft. /
2.8 m³
9.3 lbs /
4.2 kg
200 cu. ft. /
5.7 m³
Motor Characteristics
1 H.P. (0.75 kW),
120-240V, Thermally
Protected, Ball Bearing
2 H.P. (1.5 kW),
208-230V, Thermally
Protected, Ball Bearing
Blower Speed
1725 RPM
Electrical Supply (Volts/Hz/Phase)
120 / 60 / 1
240 / 60 / 1
Amp Draw
Continuous
11.1
8.5
Dimensions L x W x H (Inches/cm)
61.8 x 32.0 x 52.1 /
157.0 x 81.3 x 132.3
72.4 x 35.0 x 56.1 /
183.9 x 88.9 x 142.3
Minimum Safe Distances from Nearest
Combustible Material (Feet/Meters)
Top
1 / 0.3
Sides
1 / 0.3
Back
1 / 0.3
Blower
Outlet
6 /1.83
Minimum Distance from Fuel Supply (ft./m)
Propane - U.S.: 6/1.83, Canada: 10/3.05
Natural Gas - N/A
Minimum Operating Ambient Temperature
-20°F / -29°C
Net Weight (lbs./kg)
500 / 226.8
650 / 294.8
Certification - OMNI Test Laboratory
ANSI Z83.7•CSA 2.14 (2017)
ANSI Z83.7 (2017)
