Step 8 — Remove lockout tag and turn on the electrical supply to unit.
Step 9 — Open the external gas pipings manual shut off valve located outside the unit.
Step 10 — Set room thermostat temperature selector slightly above room temperature and set system switch to HEAT position to start the unit. The
Step 11 — Set the temperature selector on room thermostat to desired setting.
| COMBUSTION | |
| FAN HOUSING | |
HEAT | INDUCED | |
EXCHANGER | ||
DRAFT | ||
SECTION | ||
MOTOR | ||
| ||
IGC BOARD | MAIN GAS | |
VALVE | ||
(HIDDEN) |
| |
| MAIN BURNER | |
| SECTION |
C07259
Fig. 1 - Typical Gas Heating Section
!WARNING
FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in personal injury, death, and/or property damage.
If the main burners fail to light, or the blower fails to come on, shut down gas heating section and call your dealer for service.
TO LIGHT UNIT
(UNITS WITH COMFORTLINK™
CONTROL)
!DANGER
FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in personal injury, death, and/or property damage.
1.Do not turn off the electrical power to unit without first turning off the gas supply and apply lockout tags.
2.Before attempting to start the gas heating section, familiarize yourself with all the procedures that must be followed.
3.Never attempt to manually light the burners on the unit with a match, lighter, or any other flame. If the electric sparking device fails to light the burners, refer to the shutdown procedures, then call your dealer as soon as possible.
3
