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E4
Enerco Group, Inc. |Gas-Fired Infra-Red Space Heaters Operating Instructions and Owner’s Manual
NOTE:
1. Only Use A Pipe Compound Which Is Resistant To Liquefied
Gases On L.P. Installations.
2. Fittings Shown Are Not Included With Heater.
Figure 3. Typical Piping Installation
Sediment trap
FigurE 1
MODEL NO.
BTU/HR. RATING
NORMAL
MOUNTING
POSITION
CLEARANCES TO COMBUSTIBLES
GAS
NATURAL PROPANE TOP SIDES BACK BELOW
4030** 30,000 30,000 Horiz.-45° 30” 30” 30” 54”
4040* 40,000 40,000 Horiz.-45° 34” 30” 30” 68”
8050** 50,000 50,000 Horiz.-45° 36” 30” 30” 78”
8060* 60,000 60,000 Horiz.-45° 40” 30” 30” 84”
8070** 70,000 – Horiz.-45° 40” 30” 30” 84”
9080** 80,000 80,000 Horiz.-45° 46” 40” 40” 104”
9090** 90,000 90,000 Horiz.-45° 46” 46” 46” 114 ”
9100S* 100,000 100,000 Horiz.-45° 48” 46” 46” 118 ”
9100** 100,000 100,000 Horiz.-45° 44” 40” 40” 104”
9120 * 120,000 120,000 Horiz.-45° 46” 46” 46” 114 ”
9140** 140,000 – Horiz.-45° 46” 46” 46” 114 ”
*High Intensity Heaters are only sold as 4040, 8060, 9100S, and 9120
**Different model numbers are achieved by using supplemental orifices included with heaters to change heat output.
6. gAS PrESSurE
When a higher than the maximum recommended
gas pressure is being maintained at the main gas line,
a separate regulator must be installed ahead of the
heater. Refer to Figure 2 for maximum allowable pres-
sure for stated model and gas.
See heater rating plate for minimum gas supply pres-
sure “For the Purpose of Input Adjustment”
On a multiple heater installation it may be possible to
use one large capacity regulator or an individual regula-
tor for each heater. Nevertheless, it is recommended
practice to make the entire pipe system a loop. Contact
your local representative or the factory for proper gas
pressure reducing design stage.
WArNiNg: DO NOT EXCEED ½ P.S.I. INLET PRES-
SURE TO HEATERS SHOWN IN FIGURES 1 AND 2
The clearances to combustibles represent a surface temperature of 90°F (32°C) above room temperature. Building materials with low heat
tolerance may be subject to degradation at lower temperatures. It is the installer’s responsibility.
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