Carrier owner manual Shutting Down Your Furnace, Performing Routine Maintenance

ComfortFan TM - On all but the base series furnace, the blower

speed can be increased or decreased if desired due to change of

seasons, large gatherings in your home, etc. Simply change your

FAN from ON to OFF for I 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.

A09564

Fig. 16 - Lowest Temperature Setting

2. Close the external manual gas valve. See Fig. 17.

1

4.Remove main furnace door. See Fig. 10.

5.Turn control switch on the gas control to OFF position. See Fig. 19.

StN6LE-SrA_E AS CONTROL l_<_STAGEC,AS CONTROL

MODULATINGGAS CONTROL

SHOWN FN OFF' POSmON

Al1292

Fig. 19 - Control Switch to OFF

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.

[]NIT AND PROPERTY DAMAGE HAZARD

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.

A06188

Fig. 17 - Close the External Manual Valve

3. Turn off electrical supply to the furnace. See Fig. 18.

A92185

Fig. 18 - Turn Off Electrical Supply

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.

All other

operations

nmst

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

econonfically 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 iniury or death.

Turn off electrical power supply to your furnace and

install lockout tag before removing the access doors to service or perform maintenance.