Below are some FAQ’s that will aid you in the use
of your ground thaw units. As we discover more FAQ’s we will
communicate them to you.
FAQ's #2 Continued. My
unit lights and appears to be working properly. When I check the unit
the next day I have found the unit has gone out sometime during the thaw
job. What can cause this?
Answer #2B. The protective cap on the POL –
located on the end of the hose that attaches to the propane tank- is there for
a reason. Don’t throw it away! After each use replace the cap.
This will not only protect the threads, but more importantly it will keep
foreign material out of the valve (moisture, snow, dirt, grease, etc.),
anything that will hinder the fuel getting from the tank to the heater
Answer #2C. If your unit has been exposed to rough
treatment, visually inspect the thermocouple end inside the heater unit,
making sure the probe has not been bent out of the "heat area" of
the unit. This will cause hard lighting, and may cause the unit to go
out unexpectedly. Reposition the probe holder carefully, being
careful not to bend or break the probe itself.
FAQ#s 3. Can I use 30#, 40#, or 100# LP cylinders?
Answer #3. The answer is NO. Mr. Heater and Ground Specialties both
recommend you ONLY use 20# cylinders with these units. To use any other
size propane tank VOIDS all warranties. The pressure inside an
unregulated 30#, 40# or 100# tank defeats the safety feature in the POL
valve, and may cause the unit to shut off prematurely. (Another reason
why you may find the unit went out during a thaw job) It may also reduce the
life of the infrared heating unit itself. At this time we are
communicating with Mr. Heater regarding whether a pressure regulator on the
tank would be acceptable, and what the pressure settings should be on the
regulator itself. We will communicate with everyone via FAX when we have
FAQ's #4. When I place my ground thaw unit on an
incline, is there a preferred way to place it?
Answer #4. When placing a ground thaw unit on an
incline, place the unit so that the heater is on the low end of the
incline. This will provide a more uniform thaw.
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