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UNIT INTRODUCTION
This unit is a small packaged gas heat/electric cooling system that
utilizes the comfort of gas heating packaged along with efficient
electric air conditioning. This unit
environmentally balanced refrigerant for cooling.
Starting or Shutting Off Unit
NOTE: Your combination heating/cooling unit is equipped with
an automatic direct spark ignition and power combustion blower.
To start unit gas heat:
Refer to Fig. 2 for location of unit front access panel. Refer to Fig.
3 for location of gas valve. Refer to Fig. 4 while proceeding with
the following steps.
1. Set the temperature selector on room thermostat to the low-
est temperature setting and set system switch to HEAT.
2. Close the external manual gas shutoff valve.
3. Turn off the electrical supply to the unit.
4. Remove the control access panel with a 5/16- -in. nut driver.
(See Fig. 2.)
Filter Access Panel
Compressor
For Accessory FIlter
Access Panel
Rack
Fig. 2 - - Unit Access Panel
5. Move the selector switch on the internal gas valve to the
OFF position and wait 5 minutes.
6. Move the selector switch on the internal gas valve to the ON
position.
7. Replace the control access panel.
8. Turn on the electrical supply to unit.
9. Open the external manual gas shutoff valve.
10. Set the temperature selector on room thermostat slightly
above room temperature to start unit. The induced- -draft
combustion air fan will start. Main gas valve will open and
main burners should ignite within 25 seconds. If the burner
does not light within 25 seconds, the ignition module will
go into a Retry Mode after a period of approximately 20
seconds (following the 7- -second ignition period). If the
burners do not light by the 4
for heat, there is a lockout.
11. Set the temperature selector on room thermostat to desired
setting.
uses
Puronr, the
Control
Access
Blower
Panel
Access
Panel
A14456
th
ignition try of the initial call
WARNING
!
FIRE AND EXPLOSION HAZARD
Failure to follow this warning could result in personal
injury, death, and/or property damage.
1. If the main burners fail to light, or the blower fails to
start, shut down gas heating section and call your dealer for
service.
2. Never attempt to manually light the main burners on unit
with a match, lighter, or any other flame. If the electric
sparking device fails to light the main burners, refer to the
following shutdown procedures, then call your dealer as
soon as possible.
Burners
Fig. 3 - - Gas Heating/Electric Cooling Unit with Access Panel
Removed
To shut off unit gas heat:
WARNING
!
FIRE,
EXPLOSION,
HAZARD
Failure to follow this warning could result in personal
injury, death, and/or property damage.
Do not turn off the electrical power to unit without first
turning off the gas supply.
NOTE: If the unit is being shut down because of a malfunction,
call your dealer as soon as possible.
Should overheating occur or the gas supply fail to shut off, shut
off the external manual gas valve to the unit before shutting off
the electrical supply. Do not use this unit if any part has been under
water. Immediately call a qualified service technician to inspect the
unit and to replace any part of the control system and any gas
control which has been under water.
Refer to Fig. 5 while proceeding with the following steps.
1. Set the temperature selector on room thermostat to lowest
temperature setting and set system SWITCH to OFF.
2. Close the external manual shutoff valve.
3. Turn off the electrical power supply to the unit.
4. Remove the control access panel. (See Fig. 2.)
5. Move the selector switch on the internal gas valve to the
OFF position.
6. Replace the control access panel.
3
Flue Hood
Gas Valve
A14490
ELECTRICAL
SHOCK
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