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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.
Sediment trap
Figure 3. Typical Piping Installation
FigurE 1
BTU/HR. RATING
MODEL NO.
GAS
NATURAL
4030**
30,000
4040*
40,000
8050**
50,000
8060*
60,000
8070**
70,000
9080**
80,000
9090**
90,000
9100S*
100,000
9100**
100,000
9120*
120,000
9140**
140,000
*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.
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.
Enerco Group, Inc. |Gas-Fired Infra-Red Space Heaters
NORMAL
MOUNTING
POSITION
PROPANE
30,000
Horiz.-45°
40,000
Horiz.-45°
50,000
Horiz.-45°
60,000
Horiz.-45°
–
Horiz.-45°
80,000
Horiz.-45°
90,000
Horiz.-45°
100,000
Horiz.-45°
100,000
Horiz.-45°
120,000
Horiz.-45°
–
Horiz.-45°
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
CLEARANCES TO COMBUSTIBLES
TOP
SIDES
30"
30"
34"
30"
36"
30"
40"
30"
40"
30"
46"
40"
46"
46"
48"
46"
44"
40"
46"
46"
46"
46"
E4
Operating Instructions and Owner's Manual
BACK
BELOW
30"
54"
30"
68"
30"
78"
30"
84"
30"
84"
40"
104"
46"
114"
46"
118"
40"
104"
46"
114"
46"
1 14"
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