Enerco ERXL-125S - Manual (Page 25)

25
Operating Instructions and Owner’s Manual Enerco | enerRadiant® XL Series Heater
SECTION 10
Engineering Specifications
The total heating system supplied shall be design certified by the
American Gas Association and the Canadian Gas Association.
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.
ERXL-60 60,000 BTU/Hr. ERXL-125 125,000 BTU/Hr.
ERXL-80 80,000 BTU/Hr. ERXL-150 150,000 BTU/Hr.
ERXL-100 100,000 BTU/Hr. ERXL-175 175,000 BTU/Hr.
3. Burner shall be equipped with a direct sense silicon-carbide
hot surface 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 protec-
tion, 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: 4.6” W.C. MIN, 14.0” W.C. MAX
LP Gas: 11” W.C. MIN, 14.0: W.C. MAX
B. Heat Exchanger
1. Radiant tubing shall be 4” diameter aluminized steel supplied
in 10 ft. sections. 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 centerline of radiant tube.
3. Heaters shall be vented according to manufacturer’s recom-
mendations.
Burner Ratings and Heat Exchanger Lengths: (Natural and Lp)
Model # Rate (BTU/Hr.)
Heat Exchanger
Length
Turbulator
ERXL-60 60,000 20 ft. 10 ft.
ERXL-80S 80,000 20 ft. 10 ft.
ERXL-80 80,000 30 ft. 10 ft.
ERXL-100S 100,000 30 ft. 5 ft.
ERXL-100 100,000 40 ft. None
ERXL-125S 125,000 40 ft. None
ERXL-125 125,000 50 ft. None
ERXL-150 150,000 50 ft. None
ERXL-150L 150,000 60 ft. None
ERXL-175 175,000 50 ft. None
ERXL-175L 175,000 60 ft. None
Gas pressure at MANIFOLD:
Natural Gas: 3.5” W.C.
Lp Gas: 10.5” W.C.
1/2” NPT Gas Connector Size
Gas INLET pressure:
Natural Gas: 4.6” W.C. Min
11.0” W.C. Max
Lp Gas: 11.0” W.C. Min
14.0” W.C. 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”
Outside Air Connection Size: 4”