Starting And Shutting Down Your Furnace; Steps For Starting Your Furnace - Carrier 58UVB Owner's Information Manual

STARTING AND SHUTTING DOWN
YOUR FURNACE
Instead of a continuously burning pilot flame which wastes
valuable energy, your furnace uses an automatic, hot surface
ignition system to light the burners each time the thermostat starts
your furnace. Follow these important safeguards:
S Never attempt to manually light the burners with a
match or other source of flame.
Fig. 6 - - Do Not Light Burner with Match
S Read and follow the operating instructions on inside of
main furnace door, especially the item that reads as
follows:
Wait 5 minutes to clear out any gas. Then smell for gas,
including near the floor. If you smell gas, STOP!
Follow "B" in the safety information above on this
furnace label. If you don't smell gas, go to the next
step.
If a suspected malfunction occurs with your gas control
S
system, such as the burners do not light when they
should, refer to the shutdown procedures on inside of
main furnace door, or in the "Shutting Down Your
Furnace" section and call your dealer as soon as
possible.
WARNING
!
FIRE AND EXPLOSION HAZARD
Failure to follow this warning could result in personal
injury/death or property damage.
Should the gas supply fail to shut off or if overheating
occurs, turn off the manual gas valve to the furnace
BEFORE turning off the electrical supply. (See Fig. 8.)
CHECK AIR FILTER: Before attempting to start
S
your furnace, be sure the furnace filter is clean and in
place. See "Performing Routine Maintenance" section
in this manual. Then proceed as follows:

Steps For Starting Your Furnace

1. Set your room thermostat to the lowest temperature
setting. (See Fig. 7.)
2. Close the external manual gas valve. (See Fig. 8.)
Fig. 7 - - Lowest Temperature Setting
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3. Turn OFF electrical supply to the furnace. (See Fig. 9.)
4. Remove main furnace door. (See Fig. 10.)
5. The gas valve will have a control switch to turn off and
on. Turn the control switch on the gas control to the OFF
position and wait 5 minutes. (See Fig. 11 or 12.) Then
smell for gas, including near the floor. If you smell gas,
STOP! Follow "B" on furnace label. If you don't smell
gas, go to next step.
6. After waiting 5 minutes, turn the control switch on the gas
control to the ON position. (See Fig. 13 or 14.)
5
®
Fig. 8 - - Close Valve
Fig. 9 - - Turn Off Electrical Supply
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