OPERATING INSTRUCTIONS
INSTALLATION
• When transporting, use both lifting eyes located on sides of heater.
• Place the unit on a level and non-combustible surface.
• Minimum clearances from combustibles:
- outlet, minimum 10 feet
- sides, minimum 3 feet
- top, minimum 3 feet
- flue pipe exhaust minimum 2 feet
• If the unit is placed indoors, secure an adequate fresh air opening for the burner combustion air.
• The unit may not be installed and operated in premises where explosive or combustible fumes
or dust are present. Always check the regulations of local authorities.
• Be certain that neither the air inlet nor the air outlet is obstructed.
FUEL SUPPLY
For supply pressures greater than 1/2psi
• A regulator must be installed on the heater to ensure that the pressure to the
heater does not exceed 1/2 psi inlet pressure. Excessive pressures over 1/2 psi
(14” W.C.) will damage controls and void warranty
.
• This heater is shipped as either natural gas or vapor propane. Check for proper burner orifice in
burner.
Vapor Propane
.332
Natural Gas
.468
• Be certain to use adequate hose or pipe size to ensure proper volume and pressure.
See Chart Below.
4
NATURAL GAS QUICK
REFERENCE HOSE
CHART
Hose
BTU
Length
400,000
in Feet <1PSI 2PSI 5PSI
10
3/4
3/4
-
25
1-1/4 3/4
-
35
1-1/4 3/4
-
50
-
3/4
-
75
-
3/4
-
100
-
3/4
-
125
-
3/4
-
150
-
3/4
-
175
-
3/4
-
200
-
3/4
-
225
-
3/4
-
VAPOR PROPANE QUICK
REFERENCE HOSE
CHART
(Tank sizing chart
on page 21)
Hose
BTU
Length
400,000
in Feet 1/2PSI 10PSI
10
3/4
3/4
25
3/4
3/4
35
1-1/4 3/4
50
1-1/4 3/4
75
1-1/4 3/4
100
1-1/4 3/4
125
1-1/4 3/4
150
1-1/4 3/4
175
1-1/4 3/4
200
1-1/4 3/4
225
1-1/4 3/4
