CONTENTS

SAFETY INFORMATION . . . . . . . . . . . . . . . . 2

FOR YOUR SAFETY . . . . . . . . . . . . . . . . . . . . . . 2

SYSTEM OPERATION. . . . . . . . . . . . . . . . . . 2

THERMOSTATS . . . . . . . . . . . . . . . . . . . . . . . . . . 2 INTERMITTENT IGNITION DEVICE . . . . . . . . . . 2 OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . 3

EXPLAIN UNIT FUNCTION . . . . . . . . . . . . . . 4

GENERAL MAINTENANCE. . . . . . . . . . . . . . 4

HEATING SYSTEM INSPECTION . . . . . . . . . . . . 4 AIR FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 BLOWER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . 5 MOTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 CONDENSER COIL . . . . . . . . . . . . . . . . . . . . . . . 6 REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . 6

BEFORE CALLING A SERVICE TECHNICIAN: . . 6

®

USER’S, MAINTENANCE

and

SERVICE INFORMATION

MANUAL

3THRU 12.5 TON SINGLE PACKAGE AIR CONDITIONER GAS/ELECTRIC

&ELECTRIC/ELECTRIC

The manufacturer recommends that the “User” read all sections of this manual and keep the manual for future reference.

FIRE OR EXPLOSION HAZARD

Failure to follow safety warnings exactly could result in serious injury, death, or property damage.

-Do not store or use gasoline or other flammable 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.

Leave the building immediately.

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 per formed by a qualified installer, service agency or the gas supplier.

66386-YUM-C-1011

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York 66386-YUM-C-1011 manual USER’S, Maintenance Service Information Manual

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.