I-40 Manual and Spark Ignition
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Owner’s Manual • I-40
2
TABLE OF CONTENTS
Heater Speci
fi
cations ........................................................................................................................ 4
General Information .......................................................................................................................... 5
Safety Precautions ........................................................................................................................... 6
Installation Instructions
General ........................................................................................................................................... 9
Gas Train Assembly .......................................................................................................................... 12
Zone Control Panel Function and Installation ................................................................................... 13
Installing Dust Filter (Accessory) ...................................................................................................... 14
Start-Up Instructions ......................................................................................................................... 15
Shut-Down Instructions .................................................................................................................... 15
Cleaning Instructions
A.
Heater
............................................................................................................................ 16
B.
Filter
............................................................................................................................... 17
Maintenance Instructions .................................................................................................................. 18
Service Instructions
General ........................................................................................................................................... 18
Gas Pressure Checks ....................................................................................................................... 19
Safety Control Valve ......................................................................................................................... 20
Thermostatic Head and Modulating Valve ........................................................................................ 21
Burner Ori
fi
ces .................................................................................................................................. 22
Burner Combustion Cones and Gasket ............................................................................................ 22
Thermocouple ................................................................................................................................... 24
Troubleshooting Guide ..................................................................................................................... 26
Heater Component Function ............................................................................................................ 31
Parts Identi
fi
cation
I-40 Parts Schematic and Parts List ................................................................................................. 32/33
Warranty Policy................................................................................................................................. 34
Replacement Parts and Service ....................................................................................................... 34
WARNING
Standard products are manufactured to operate at optimum ef
fi
ciency at
elevations between 0 and 2000 ft. above sea level.
If operated at higher elevations the product will not function correctly and may
function in an unsafe nature. Products providing proper operation for alternate
elevations may be available.
If you require a high elevation product, did not specify when ordering, and/or
the box this unit came in does not have an alternate altitude designation
sticker please contact technical support.