•Read and follow the operating instructions on inside of main furnace door, especially the item that reads as fol- lows: (See Fig. 31.)

"Wait 5 nfinutes to clear out any gas. Then smell for gas,

including near the floor. If you smell gas, STOP! Fol-

low "B" in the safety information on furnace label. If you don't smell gas, go to the next step."

•If a suspected malfunction occurs with your gas control 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 Fur- nace" section and call your dealer as soon as possible.

•CHECK AIR FILTER: Before attempting to start your furnace, be sure the furnace filter is clean and in place.

See "Perfornfing Routine Maintenance" section in this manual. Do not run the furnace without a filter in place. Then proceed as follows:

A92185

Fig. 9 - Turn Off Electrical Supply

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

STEPS FOR STARTING YOUR FURNACE

1.Set your room thermostat to the lowest temperature setting

and set the "MODE" to "OFF". See Fig. 7.

A09564

Fig. 7 - Lowest Temperature Setting

2. Close the external manual gas valve. See Fig. 8.

Al1256

Fig. 10 - Remove Main Furnace Door (Upflow Configuration)

5. Turn the control switch on the gas control to the OFF position and wait 5 nfinutes. See Fig. 11. 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.

A06188

Fig. 8 - Close Valve

3. Turn OFF electrical supply to the furnace. See Fig. 9.

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Carrier owner manual Steps for Starting Your Furnace, Turn OFF electrical supply to the furnace. See Fig
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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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