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OPERATING INSTRUCTIONS
PREPARING FOR OPERATION
1. Check the heater for possible shipping damage. If any is
found, immediately notify the factory.
2. Follow all of the "Precautions".
3. Connect the POL fitting of hose and regulator assembly to the
propane cylinder by rotating the POL nut counterclockwise into
the propane cylinder's valve outlet and securely tighten with a
wrench.
4. Connect the hose to the heater by rotating the hose fitting
clockwise.
5. Securely tighten all gas connections.
6. Open the cylinder's gas valve and check all gas connections
with a soap and water solution. DO NOT USE A FLAME.
7. Connect power cord to well-grounded 115V, 60 Hz, 1Ø source
of power.
8. When using an extension cord, make certain that it is a 3-wire
(grounded) cord of proper wire size.
START
1. Before heater ignition, always allow heater fan (blower) to run
for 20 seconds to purge fuel.
2. Slowly open the main valve at propane cylinder.
3. Depress the fuel valve button to light the heater.
4.
After the heater lights, keep the gas valve button depressed
for 15 seconds, then release, and the heater will continue
to operate.
5. Adjust burn rate by setting control knob to desired level.
6. No thermostat usable with these units.
STOP
1. Securely close valve on the propane cylinder.
2. Continue to operate heater until all fuel in the hose has
burned.
3. Unplug the power cord.
RESTART AFTER SAFETY SHUTDOWN
1. Securely close valve at propane cylinder. Unplug heater.
2. Wait 5 minutes.
3. Restart following "Start" procedure.
MAINTENANCE AND STORAGE
1. The heater should be inspected before each use, and at least
annually by a qualified person.
2. Before each use, check the soft "O" ring seal at the bullnose
of the POL fitting. If the "O" ring is cut, scuffed, or otherwise
damaged, replace it with part number 73786.
3. Turn off the gas at the LP-gas supply cylinder(s) when the
heater is not in use.
4. When the heater is to be stored indoors, the connection
between the LP-gas supply cylinder(s) and the heater must
be disconnected and the cylinder(s) removed from the heater
and stored out of doors and in accordance with Chapter 5 of
the standard for Storage and Handling of Liquefied Petroleum
Gases ANSI/NFPA 58 and CSA B149.1, Natural Gas and
Propane Installation Code.
SERVICING
A hazardous condition may result if a heater is used that has been
modified or is not functioning properly. When the heater is working
properly:
• The flame is contained within the heater.
• The flame is essentially blue with perhaps some yellow tipping.
•
There is no strong disagreeable odor, eye burning, or
other physical discomfort.
• There is no smoke or soot internal or external to the heater.
• There are no unplanned or unexplained shut downs of the
heater.
The parts lists and wiring diagram show the heater as it was
constructed. Do not use a heater which is different from that
shown. In this regard, use only the hose, regulator and cylinder
connection fitting (called a POL fitting) supplied with the heater.
IMPORTANT Match the color stripe on the hangtag attached to
the hose assembly with the color on the label located near the
propane inlet fitting on the heater. Do not use alternates. For this
heater, the regulator must be set as shown in "specifications".
If there is any uncertainty about the regulator setting, have it
checked.
A heater which is not working right must be repaired, but only by a
trained, experienced service person.
In-warranty products will be repaired with no charge for either parts
or labor. Please include a brief statement indicating date, place of
purchase, the nature of the problem and proof of purchase.
Out-of-warranty products will be repaired with a charge for parts
and labor.
Operating Instructions and Owner’s ManualMr. Heater, Inc.| Forced Air Propane Construction Heater
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