CARRIER INDUCER MOTOR

Carrier motor number 318984-753 is the most commonly used motor for single stage 80% furnaces. This motor replaces the following models: HC21ZE114, HC21ZE115, HC21ZE117, HC23UZ115, HC23UZ120, HC660005, P251-2918, 58DHC660001, 321373-701, 321373-702, 321373-704, 321373-705, 321373-706, 321373-707, 321373-708, 321373-709, 321373-710, 321373-711, 321373-712, 323435-701, 323435-724, 323435-730, 318984-751, and 318984-752.

For the optimal combination of heating and impressive energy efficiency, choose precision-engineered furnaces, from the innovative Infinity ICS with precision temperature control to the solid Comfort 80. The higher the AFUE rating, the more energy efficient—meaning you'll save more money.

The Infinity 80 Furnace marries energy efficiency with Carrier's intelligent Infinity System control. With up to an 80% AFUE rating, the company's advancements in high efficiency heating can pay off through lower furnace bills.

The Performance Boost 80 Furnace keeps your home warm and comfortable all winter, and can boost the efficiency of select air conditioners and heat pumps by up to 1.5 SEER points.2

The Performance 80 Furnace warms your home for less and minimizes temperature swings with its intelligent two-stage control that can heat on low most of the time. An efficient furnace that's quiet and reliable.

The Base 80 furnace features 80% Annualized Fuel Utilization Efficiency (AFUE) and because of its small size, it can fit in the tightest of installations.

Carrier also makes the HC21ZE117B, HC660-005 motor. The " " is the blower that is inline with the flue/vent system. A pressure switch comes with the that gets air pressure from the when its on; the air pressure closes the switch which completes the electric circuit to the valve. There are several things or reasons that might disrupt the air pressure and cause the switch to open, thus turning off the valve.

Carrier Corporation is the world's largest manufacturer of heating, air conditioning and refrigeration systems and equipment. It is a subsidiary of United Technologies Corporation and provider of a broad range of high-technology products and support services to the aerospace and building systems industries. is a manufacturer of fan motors, thermostats, heat pumps, and ventilators, to just a few of their products.

controls company manufactures motors to support s or the induction fan and brings about a higher efficiency of the furnace. s also act as a safety mechanism (to insure that combustion products are being evacuated at the start of a heating cycle) and the air being pulled in by the fan will tend to cool the heat exchanger while the flames are trying to heat it.

The breakdown of how a works:

•The thermostat calls for heat

• motor starts up

•Pressure switch attached to the motor by a small tube will sense the negative pressure created by the

•The motor runs for 30 to 60 seconds

•Flame sensor senses heat from the pilot or HSI and allows to flow to burners • burner is ignited by the hot surface igniter or the intermittent pilot

•These processes are controlled by the electronic control center module

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