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York 66386-YUM-C-1011 Input, Operating Instructions, Electrical SHOCK, Fire or Explosion Hazard

Models: 66386-YUM-C-1011

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66386-YUM-C-1011

INPUT

The correct heat capacity of the furnace is regulated by the burner orifices and the gas pressure. The proper orifices are furnished but the gas pressure regulator must be adjusted by the installer or gas utility service technician.

OPERATING INSTRUCTIONS

TO SHUT DOWN THE FURNACE:

1.Close the main gas shutoff valve(s).

2.Turn off the electric power supply.

TO LIGHT THE FURNACE:

1.Do not attempt to light manually.

2.Open the main gas shutoff valve(s).

3.Adjust the set point of the room thermostat above the temperature in the space.

4.Turn on the electric power supply.

C.Opening and closing the unit's main disconnect switch.

MainGas

Shut-ofValve

FieldInstaled (MountedExternaly)

5.The draft fan will operate. After an adequate purge time, the electric spark igniter will light the burners.

6.The burners will extinguish and relight automatically upon the demand of the room thermostat.

VENT SAFETY SYSTEM:

This gas furnace is equipped with a manual reset high tem- perature sensor or rollout switch which in the unlikely event of a sustained main burner flame rollout will shut off the flow of gas by closing the main gas valve. The ignition modules will also be disabled, preventing the flow of gas to the valve. The switch is located inside the gas heat access panel above the burner inlet. Flame rollout can be caused by blockage of the power vent system, improper gas pressure or adjustment. If this event occurs the furnace will not operate properly. The gas supply to the furnace should be shut off and no attempt should be made to place the furnace in operation. The sys- tem should be inspected by a qualified service technician. Refer to Figure 2 for a typical installation.

100% SHUT OFF:

The ignition modules are designed for 100% shut-off. If the furnace fails to ignite after three ignition attempts, the flow of gas will be shut off and the ignition module will lock out. The module can be reset by:

A.Turning the system switch on the room thermostat to the “OFF” position and back to the “HEAT” position.

B.Decreasing the set point of the room thermostat below the temperature in the conditioned space and returning it to its original setting.

FIGURE 2- TYPICAL INSTALLATION

If the furnace continues to lock out, a qualified service techni- cian should be called to determine the cause of the problem.

ELECTRICAL SHOCK, FIRE OR EXPLOSION HAZARD

Failure to follow safety warnings exactly could result in dangerous operation, serious injury, death or prop- erty damage.

Improper servicing could result in dangerous opera- tion, serious injury, death or property damage.

•Before servicing, disconnect all electrical power to furnace.

•When servicing controls, label all wires prior to disconnecting. Reconnect wires correctly.

•Verify proper operation after servicing.

Prior to any of the following maintenance procedures, shut off all power to the unit to avoid personal injury.

Johnson Controls Unitary Products

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York 66386-YUM-C-1011 manual Input, Operating Instructions, Electrical SHOCK, Fire or Explosion Hazard
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66386-YUM-C-1011 specifications

York 66386-YUM-C-1011 is an advanced residential air conditioning unit designed to deliver efficient cooling and heating solutions for homes. This model is distinguished by its energy-efficient operation and innovative features that ensure optimal indoor comfort throughout the year. With a capacity typically suited for medium-sized homes, it provides reliable performance while keeping energy consumption in check.

One of the standout features of the York 66386-YUM-C-1011 is its ENERGY STAR certification, which signifies its high efficiency in energy use compared to standard models. This certification ensures that users can enjoy lower utility bills while contributing to environmental sustainability. The unit is equipped with a variable-speed compressor, which adjusts its cooling output based on the temperature needs of the home, resulting in quieter operation and enhanced humidity control.

The unit also incorporates advanced technology such as a programmable thermostat, allowing homeowners to schedule their heating and cooling settings for optimal comfort and efficiency. The intuitive interface of the thermostat makes programming easy, and its smart features can even learn your preferences over time, adjusting accordingly to ensure the home remains comfortable.

In terms of construction, the York 66386-YUM-C-1011 is designed with durability in mind. It includes a robust cabinet that protects internal components from the elements, ensuring longevity and reliable performance. Additionally, the unit features sound-dampening technology, minimizing noise during operation, which is particularly beneficial for residential settings where quietude is essential.

The air conditioner utilizes environmentally friendly refrigerant, which not only meets regulatory standards but also promotes a greener solution without sacrificing performance. With a focus on user comfort, ease of maintenance is another highlight of the York 66386-YUM-C-1011. The unit has easily accessible filters and components, simplifying routine check-ups and servicing.

Overall, York 66386-YUM-C-1011 stands out as a top-tier option for homeowners seeking an effective and efficient air conditioning solution. Its combination of energy savings, advanced features, and durable design makes it an ideal choice for maintaining a comfortable and environmentally friendly living space. This model exemplifies York's commitment to quality and innovation in home comfort systems, ensuring that homeowners can rely on it for years to come.