Shutting Down Your Furnace; Performing Routine Maintenance - Payne CONDENSING GAS FURNACE Owner's Manual

gatherings in your home, etc. Simply change your FAN from ON
to OFF for 1 to 3 seconds (or AUTO depending on your
thermostat), and then return to ON. The blower will switch to the
next higher speed. There are at least three speeds to choose from.
If the blower is running on its highest speed, a request to change
will direct the blower to return to its lowest speed.

SHUTTING DOWN YOUR FURNACE

Should you need to shut down your furnace for service or
maintenance, you will need to turn the furnace off. The following
procedures must be followed:
1. Set your room thermostat to the lowest temperature setting
and set the "MODE" to "OFF." See Fig. 16.
Fig. 16 - Lowest Temperature Setting
2. Close the external manual gas valve. See Fig. 17.
Fig. 17 - Close the External Manual Valve
3. Turn off electrical supply to the furnace. See Fig. 18.
Fig. 18 - Turn Off Electrical Supply
GAS CONTROL SWITCH
SHOWN IN "OFF" POSITION
Fig. 19 - Control Switch to OFF
4. Remove main furnace door. See Fig. 10.
5. Turn control switch on the gas control to "OFF" position.
See Fig. 19.
6. Replace main furnace door. See Fig. 13.
7. If the furnace is being shut down because of a malfunction, call
your dealer as soon as possible.
!
UNIT AND PROPERTY DAMAGE HAZARD
A09564 Failure to follow this caution may result in unit component or
property damage.
Furnace is not to be installed, operated, and then turned off
and left turned off in an unoccupied structure during winter.
See "Winterization" procedures in this manual.

PERFORMING ROUTINE MAINTENANCE

NOTE: The qualified installer or agency must use only
factory- authorized replacement parts, kits, and accessories when
modifying this product.
Installing and servicing of heating equipment can be hazardous due
to gas and electrical components.
Only trained and qualified personnel should install, repair, or
service heating equipment. Untrained personnel can perform basic
maintenance functions such as cleaning and replacing air filters.
A06188
All other operations must be performed by trained service
personnel. Observe safety precautions in this manual, on tags, and
on labels attached to the furnace and other safety precautions that
may apply.
With proper maintenance and care, your furnace will operate
economically and dependably. Instructions for basic maintenance
are found on this and the following pages. However, before
beginning maintenance, follow these safety precautions:
!
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
injury or death.
Turn off electrical power supply to your furnace and
install lockout tag before removing the access doors to
service or perform maintenance.
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8
TWO-STAGE GAS CONTROL
CAUTION
WARNING
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