Operating instructions

ManualsBrandsBryant ManualsFurnace330JAV

WARNING: If the information in this manual

is not followed exactly, a fire or explosion may

result causing property damage, personal in-

jury or loss of life.



— Do not store or use gasoline or other flam-

mable vapors and liquids in the vicinity of

this or any other appliance.



— WHAT TO DO IF YOU SMELL GAS:

• Do not try to light any appliance.

• Do not touch any electrical switch; do not

use any phone in your building.

• Immediately call your gas supplier from a

neighbor's phone. Follow the gas supplier's

instructions.

• If you cannot reach your gas supplier, call 

the fire department.



— Installation and service must be performed

by a qualified installer, service agency or

the gas supplier.

Model 330JAV,

333BAV, 333JAV

Upflow/Horizontal



and 331JAV and

334BAV Downflow

USER'S

INFORMATION

MANUAL FOR

THE

OPERATION

AND

MAINTENANCE

OF YOUR NEW

GAS-FIRED

FURNACE

NOTE TO

INSTALLER:

This manual 

must be 

left with the 

equipment user.

Thi d t t d ith F M k 4 0 4

Summary of content (8 pages)

PAGE 1
® ® ® Model 330JAV, 333BAV, 333JAV Upflow/Horizontal and 331JAV and 334BAV Downflow WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life. — Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
PAGE 2
WELCOME TO TODAY’S GENERATION OF COMFORT Congratulations! Your new, highefficiency gas furnace is a sound investment which will reward you and your family with years of warm memories winter after winter. Not only is your new furnace energy efficient, it is also extremely reliable and supplies superior home comfort. Spend just a few minutes with this booklet to learn about the operation of your new furnace and the small amount of maintenance it takes to keep it operating at peak efficiency.
PAGE 3
DOWNFLOW FURNACE COMPONENTS 1 1 Manual Reset Auxiliary Limit Switch 2 Blower and Blower Motor 3 Relief Box 4 Rating Plate 5 Gas Valve Control Knob (On/Off) 6 2-Stage Gas Valve 7 Gas Burner 8 Blower Door Safety Switch 9 Draft Safeguard Tube and Switch 10 Gas Manifold 11 Hot Surface Ignitor 12 Flame Sensor 13 Manual Reset Flame Rollout Switch (2) 14 Status LED Light 2 14 3 8 9 5 6 13 7 10 4 11 12 IMPORTANT FACTS Your furnace must have adequate air for efficient combustio
PAGE 4
Understand the signal words DANGER, WARNING, and CAUTION. These words are used with the safetyalert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies hazards which could result in personal injury or death. CAUTION is used to identify unsafe practices which would result in minor personal injury or product and property damage.
PAGE 5
11. After 15 to 70 sec, the gas valve permits gas to flow to the main burners where it is ignited. Hot flames begin to warm the furnace’s heat exchanger. After a time delay of approximately 45 sec, the furnace blower is switched on. continuously except for a 77-sec delay at the “call for heat.’’ This keeps the temperature level in your home more evenly balanced. It also continuously filters the indoor air.
PAGE 6
! CAUTION Never operate your furnace without a filter in place. Doing so may damage the furnace blower motor. An accumulation of dust and lint on internal parts of your furnace can cause a loss of efficiency. OFF 20 PERFORMING ROUTINE MAINTENANCE With proper maintenance and care, your furnace will operate economically and dependably. Basic maintenance, which can easily be accomplished by someone who follows the directions, is found on this and the following pages.
PAGE 7
4. 5. 6. 7. 8. 9. channel in which it rests. (See Fig. 24 and 25.) Lower filter down next to the blower and remove from furnace. To remove the right-side filter, lift from V-shaped channel and remove through left-side the same way as left-side filter. Inspect the filter. If torn, replace the filter. Wash the filter (if dirty) in a sink, bathtub, or outside with a garden hose. Always use cold tap water. A mild liquid detergent may be used if necessary.
PAGE 8
high-temperature condition due to inadequate combustion air, these switches will shut off the furnace. Reset the switch(es) by pushing the button on the switch. If the switch trips a second time, turn off the furnace and call for service. • If your furnace still fails to operate, call your servicing dealer for troubleshooting and repairs. Tell your dealer the model and serial numbers for your furnace. (You should have them recorded on page 8 of this booklet.