UNIT INTRODUCTION
These units are small packaged gas heat/electric cooling system that can utilize the comfort of gas heating packaged along with efficient electric air conditioning. This unit uses Puronr, the ozone friendly 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. 3 for location of unit front access panel. Refer to Fig. 4 for location of gas valve. Refer to Fig. 5 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.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
11.Set the temperature selector on room thermostat to desired setting.
| Blower | Control | |
Filter Access Panel | Access | Access | |
Panel | Panel | ||
For Accessory Filter Rack | |||
Compressor |
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| Access |
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| Panel |
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| A09213 |
Fig. 3 - Accessory Filter Rack Access Panel
!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.
To shut off unit gas heat:
!WARNING
FIRE, EXPLOSION, ELECTRICAL SHOCK 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. 6 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. 3.)
5.Move the selector switch on the internal gas valve to the OFF position.
6.Replace the control access panel.
To start unit electric cooling:
Refer to Fig. 7 while proceeding with the following steps.
1.Set the temperature selector on room thermostat to highest temperature setting and set system SWITCH to OFF.
2.Close the external manual shutoff valve, if not already closed.
3.Turn ON the electrical power supply to the unit.
4.Set system switch to COOL.
5.Set the temperature selector on room thermostat slightly below the room temperature to start unit.
To shut off unit electric cooling:
Refer to Fig. 8 while proceeding with the following steps.
1.Set the temperature selector on room thermostat to highest temperature setting and set system SWITCH to OFF.
2.Close the external manual shutoff valve. if not already closed.
3.Turn off the electrical power supply to the unit.
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