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SECTION 4
Engineering Specifications
The total heating system supplied shall be design certified by CSA
under ANSI Z83.20a latest revision and CGA 2.34a latest revision.
A. Burner & Burner Controls
1. Burners shall be capable of firing with one of the fuel options as
specified on the purchase documents: Natural Gas or LP.
2. Burners shall be supplied to fire at any one of the input rates as
specified.
COMFORTER-40
40,000 BTU/Hr. (1 1.72 kW)
COMFORTER-60
60,000 BTU/Hr. (17.58 kW)
COMFORTER-80
80,000 BTU/Hr. (23.45 kW)
COMFORTER-100 100,000 BTU/Hr.(29.31 kW)
COMFORTER-125 125,000 BTU/Hr. (36.63 kW)
COMFORTER-150 150,000 BTU/Hr. (43.96 kW)
COMFORTER-175 175,000 BTU/Hr. (51.29 kW)
3. Burner shall be equipped with a direct spark ignition control
system with 100% shut-off ignition device. Power supplied to each
heater shall be 120V, 60Hz, single phase. Burners shall be rated for
1.0 Amp (run) and 5.0 Amp (start.)
4. Burner shall be equipped with thermal overload motor
protection, balanced air rotor, combustion air proving safety
pressure switch, and viewing window for flame observation.
5. When specified, in contaminated environments, the burner
shall be capable of supplying outside air to each burner for the
support of combustion.
6. All burners shall be pre-wired with a grounded electrical
cord and plug.
7. At customer's choice, burners may be controlled with either
an optional line voltage thermostat or by optional low voltage
thermostats with an appropriate low voltage transformer relay.
8. Gas supply to the burners shall conform to the following:
1/2" NPT gas connector size
Natural Gas:
4.5" W.C. MIN, 1 1.0" W.C. MAX
(1.12 kPa MIN, 2.74 kPa MAX)
LP Gas:
11" W.C. MIN, 14.0" W.C. MAX
(2.74 kPa MIN, 3.48 kPa MAX)
B. Heat Exchanger
1. Radiant tubing shall be 4" diameter aluminized steel the first 10
ft. section and any additional 10 ft. tube sections supplied will
be steel. Sections shall be joined with stainless steel wrap-around
couplings.
2. Reflector to be of aluminum material and designed to direct all
radiant output below horizontal center line of radiant tube.
3. Heaters shall be vented according to manufacturer's
recommendations.
Enerco | Heatstar AG Series Heater
Gas pressure at MANIFOLD:
Natural Gas:
3.5" W.C. (0.87 kPa)
LP Gas:
10.5" W.C. (2.61 kPa)
1/2" NPT Gas Connector Size
Gas INLET pressure:
Natural Gas:
4.5" W.C. Min (1.12 kPa MIN)
11.0" W.C. Max (2.74 kPa MAX)
LP Gas:
11.0" W.C. Min (2.74 kPa MIN)
14.0" W.C. Max (3.48 kPa MAX)
1/2" NPT Gas Connector Size
Electrical Rating: (All Models)
120V - 60Hz
1.0 AMP (Run) 5.0 AMP (Start)
Dimensions:
Flue Connection Size.....................4" (10 cm)
Outside Air Connection Size.........4" (10 cm)
E-13
Operating Instructions and Owner's Manual
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