Operator`s manual
PUREHEAT™ HYDRONIC AIR HEATER OPERATOR’S MANUAL – SECTION 2
2- 4 © 2006 Ground Heaters, Inc. V. 2, Rev. 09/01/06
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2-3
2.2.3 Unloading HX100 Heat Xchangers
TM
1. OPEN the Rear Doors and remove the aluminum Ramp from the storage location above Xchangers.
2. Position the Ramp onto the Ramp Alignment Pins to unload either the left side, right side or the
middle section HX100s. (Photo 2-2)
NOTE: Each HX100 Heat Xchanger
TM
is equipped with
wheels, Lifting Bail and Lift-Up Handle.
3. Position the HX100s inside the building per your
heating plan. (Refer to Appendix C-1, PUREHEAT
APPLICATION LAYOUTS.)
NOTE: Each HX100 Heat Xchanger
TM
must be connected to
a separate
15 amp. 120 volts AC 60 Hz electrical
circuit. Use 12-3 gauge extension cords of no more
than 100 ft (30 m) in length.
4. Momentarily turn the Fan Switch ON to test Fan operation then turn the Fan Switch OFF.
2.2.4 Unloading HX50 Heat Xchangers
TM
1. OPEN the Rear Doors and unload the HX50s. (Photo 2-3)
NOTE: Each HX50 Heat Xchanger
TM
is equipped with a Lifting Bail and
Handles. The HX50 Heat Xchangers
TM
weigh approximately 70 lbs and
can be lifted by one individual.
2. Position the HX50s inside the building per your heating plan. (Refer to
Appendix C-1, PUREHEAT APPLICATION LAYOUTS.)
NOTE: Each HX50 Heat Xchanger
TM
must be connected to a separate 15 amp.
120 volts AC 60 Hz electrical circuit. Use 12-3 gauge extension cords
of no more than 100 ft (30 m) in length.
3. Momentarily turn the Fan Switch ON to test Fan operation then turn the
Fan Switch OFF.
2.2.5 Heat Transfer Fluid (HTF)
OPEN the Side Doors and Latch them to the Door Tiebacks
1. Verify Heat Transfer Fluid (HTF) level is between MIN and MAX lines on the Sight
Gauge Decal located on expansion tank above Hydronic Heater. (Photo 2-4) If fluid
level is not above MIN level, refer to Section 4.1, ADDING HEAT TRANSFER FLUID,
to correct before attempting to start the Burner or HTF Pump.
If HTF temperatures are below -15ºF (-26ºC), pre-heat the HTF and
Pump housing before turning the Pump ON.
2.2.6 Switch Positions
(Refer to Appendix A-2.)
Verify the MAIN BREAKER 1, MAIN BREAKER 2, PUMP, BURNER, CAB LIGHT and
HOSE REWIND Switches are in the OFF position on the Main Control Panel.
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