UNIT DAMAGE HAZARD
Failure to follow this caution may result in the shorten
life of unit components.
Do NOT operate unit in a corrosive atmosphere
containing chlorine, fluorine, or any other corrosive
chemicals.
TO LIGHT UNIT
Your combination heating/cooling unit is equipped with an
automatic direct spark ignition and power combustion
blower.
FIRE AND/OR EXPLOSION HAZARD
Failure to follow this warning could result in personal
injury, death and/or property damage.
Do not attempt to light by hand, personal injury may
result.
FIRE AND/OR 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.
Before attempting to start the gas heating section,
familiarize yourself with all the procedures that must be
followed.
Refer to Figure 2 for gas valve location.
1. Set the temperature selector on room thermostat to the
lowest temperature setting and set system switch to
HEAT.
2. Close the external manual shutoff valve.
3. Turn off the electrical supply to the unit.
4. Remove the front access panel with a 5/16 -in. nut
driver.
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 front access panel.
8. Turn on the electrical supply to unit.
9. Open the external manual 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 burners should ignite the gas
within 25 seconds. If burners do not light within 25
seconds, the ignition control will go into a Retry Mode
that will take another 25 seconds. If the burners fail to
ignite the gas in 4 consecutive attempts, the unit will
lockout for 3 hours.
11. Set the temperature selector on room thermostat to
desired setting.
FIRE AND/OR 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 UNIT OFF
FIRE AND/OR 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 unit is being shut down because the heating
season has ended, make sure to turn on power to cooling
system.
Ifunit is being shut down because of a malfunction, call your
dealer as soon as possible.
Should the gas supply fail to shut off or if overheating
occurs, shut off the manual gas valve to the unit before
shutting off the electrical supply.
Do not use this furnace if any part has been under water. A
flood-damaged furnace is extremely dangerous. Attempts
to use the furnace can result in fire or explosion. A qualified
service agency should be contacted to inspect the furnace
and to replace all gas controls, control system parts,
electrical parts that have been wet orthe furnace if deemed
necessary.
Refer to Fig. 2 while proceeding with the following steps.
1. Set the temperature selector on room thermostat to
lowest temperature setting and set system switch to
OFE
2. Close the external manual shutoff valve.
3. Turn off the electrical power supply to the unit.
4. Remove the front access panel.
5. Move the selector switch on the internal gas valve to the
OFF position.
6. Replace the burner access panel.
7. Restore electrical power to the unit and set system
switch to COOL to ensure operation of the cooling
system during the cooling season.