COMBUSTION AIR AND VENT SYSTEM

CARBON MONOXIDE POISONING HAZARD

Failure to follow this warning could result in personal iniury or death.

If holes are found or if the vent pipe is obstructed or is not

connected, toxic fumes can escape into your home. DO NOT

OPERATE YOUR FURNACE. Call your dealer for service.

 

 

 

 

 

 

HOT SURFACE

 

 

 

 

 

 

J

IGNITOR

 

 

GAS BURNER

 

 

 

 

 

 

 

ASSEMBLY

 

 

 

 

 

 

 

 

FLAME

 

 

 

 

 

 

 

SENSOR

 

 

 

 

 

 

 

MANUAL

RESET

 

 

 

 

 

 

 

UMIT SWITCH

 

 

 

 

 

 

 

 

Olt+P+'_

_

0

;I

_

LIMIT

SWITCH

GAS

VALVE --

 

 

 

 

(BEHIND

GAS

VAWE)

 

 

 

 

 

 

 

 

 

 

 

i

D'

MAIN UMIT

SWITCH

Al1319

Fig. 27 - Gas Burner Assembly (Upflow)

[]NIT OPERATION

HAZARD

 

 

 

 

 

 

Failure to

follow

this

caution

may

result in

intermittent

unit

 

 

operation.

 

 

 

 

 

 

 

 

 

For proper

and

safe

operation

 

the furnace

needs air for

 

 

combustion

and

ventilation.

Do

not block

or obstruct

air

 

 

 

 

 

 

 

 

 

IGNITOR

 

 

openings on the furnace, air opening to the area in which the

 

 

furnace is installed, and the space around the furnace.

 

 

Al1320

 

 

 

 

 

 

 

 

 

 

Fig. 28 - Gas Burner

Assembly

(Downflow)

Visually inspect the combustion area and vent system before each heating season. Make sure that all PVC pipes leading into the combustion area and vent are free from any cracks and sags. An accunmlation of dirt, soot, or rust can mean a loss of efficiency and improper performance. Buildups on the main burners can cause faulty firing. This "delayed ignition" is characterized by an alarmingly loud sound.

Check the combustion-air intake adjacent to the furnace or outside your home for blockage. Also check the vent pipe on the outside of your home for blockage.

NOTE: If your furnace makes a loud noise when the main burners are ignited, shut down the furnace and call your servicing dealer.

Use your flashlight and follow these steps for inspecting the combustion area and vent system of your furnace:

CARBON MONOXIDE POISONING HAZARD

Failure to follow this warning could result in personal iniury or death.

If dirt, rust, soot, or scale accumulations are found, call your dealer. Do not operate your furnace.

1.Turn off electrical supply and gas supply to the furnace and remove the main furnace door. See Fig. 7, 8, 9, 10 and 11.

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.

2.Inspect the gas burners, igniter area, and remainder of fur- nace for dirt, rust, soot or scale.

3.Inspect the combustion-air and vent PVC pipes for sags, holes, cracks, water leaks, blockage or disconnections. Hori-

zontal portions of vent pipe must slope downward toward the furnace.

4.If your furnace is free of the above conditions turn on elec- trical and gas supplies to the furnace.

5.Start your furnace and observe its operation. Watch the burner flames to see if they are clear blue, almost transpar- ent.. If you observe a suspected malfunction, or the burner flames are not clear blue, call your dealer.

6.Replace main furnace door.

Burner Flame

Burner

Manifold

Al1461

Fig. 29 - Burner Flame Adjustment

11

Page 24 Page 26
Page 25
Image 25
Carrier Furnace owner manual Burner Flame Manifold
Page 24 Page 26

Furnace specifications

Carrier has long been synonymous with heating and cooling, and their range of furnaces exemplifies their commitment to innovation, efficiency, and reliability. A Carrier furnace is designed to provide comfortable warmth during the colder months while optimizing energy use, which is crucial in today’s environmentally conscious landscape.

One of the standout features of Carrier furnaces is their high-efficiency ratings. Many of their models boast an Annual Fuel Utilization Efficiency (AFUE) of up to 98%, meaning that they convert nearly all the fuel they consume into usable heat. This not only leads to lower energy bills but also reduces carbon emissions, making it an eco-friendly choice.

Carrier employs a range of advanced technologies to enhance performance. One key technology is the Infinity control system, which allows homeowners to monitor and adjust their heating settings remotely through a smartphone app. This system uses predictive algorithms to learn a homeowner's preferences, ensuring optimal comfort and efficiency.

Additionally, some Carrier furnaces utilize modulating technology. Unlike traditional furnaces that can only operate at full or partial capacity, modulating furnaces can adjust their output to match the specific heating demand of a home. This results in more even heating, reduced temperature swings, and greater energy savings.

Carrier also prioritizes quiet operation, with many of their models featuring a sound-dampening design. This ensures that the furnace runs discreetly in the background, minimizing disruptive noises while maintaining consistent comfort.

Durability and longevity are critical characteristics of Carrier furnaces. Each unit is built with high-quality materials and rigorous testing, ensuring that it can withstand the rigors of daily use in various climates. This commitment to quality means that homeowners can expect years of reliable service from their Carrier furnace.

Finally, Carrier emphasizes ease of installation and maintenance. With clear documentation and support from certified technicians, homeowners can rest assured that their furnace will be installed correctly and serviced as needed.

In summary, Carrier furnaces represent a blend of efficiency, innovation, and reliability. With high AFUE ratings, advanced technologies like the Infinity control system, modulating operation, quiet performance, and durable construction, they stand out as a top choice for homeowners seeking optimal heating solutions.
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