035-16328-Rev002C(0902).

FINAL PROCEDURE

INSTALL FURNACE DOORS

Install the lower door first by sliding the bottom of the door down until the tabs on the casing base engage the slots in the bottom door end cap. Then push the top of the lower door in until the door clips snap into place. Install the upper door in a similar manner, first engaging the slots in the top of the upper door on the tabs on the casing top. Then snap the bottom of the upper door into place against the casing.

FINISH AND TRIM

Alcove and Closet Installations may now be finished and trimmed as necessary.

/AUTOMATIC DAMPER

FURNACE

BASE

DUCT

CONNECTOR

NOTE: FOR BEST AIR DELIVERY INSTALL DAMPER WITH BLADES PARALLEL TO SUPPLY DUCT.

FIGURE 24 : Anti-BackflowDamper

FURNACE AND AIR CONDITIONER

INSTALLATIONS

If an air conditioner is installed which does not use the blower for air distribution and operates completely independent of the furnace, the thermostat system must have an interlock to prevent the furnace and air conditioner from operating at the

same time. This interlock system usually contains a heat-cool switch which must be turned to either HEAT or COOL to acti-

vate either heating or cooling operation, or a positive OFF switch on the cooling thermostat.

When used in connection with a cooling unit the furnace shall be installed parallel with or on the upstream side of the cool- ing unit to avoid condensation in the heat exchanger.

For installations with a parallel flow arrangement, the furnace must be equipped with a damper to prevent cold air from being discharged up around the heat exchanger. Cold air causes condensation inside the exchanger and can cause it to rust out which can allow products of combustion to be cir- culated into the living area by the furnace blower resulting in possible asphyxiation. An air flow activated automatic damper, PIN 7900-6771, is available from furnace manufac- turer. See Figure 24.

NOTE: See label on coil panel for conversion and lighting instructions. Obtain a temperature rise within the ranges specified on the name plate.

20

Unitary Products Group

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York DGAH056BBSA warranty Final Procedure Install Furnace Doors, Furnace and AIR Conditioner, Finish and Trim, Base Duct
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DGPA056ABTA, DGAAO77BDTA, DGAHO77BBSA, DGPA070ABTA, DGPA090ABTA specifications

York DGPA070ABTA, DGAA056BDTA, DGPA090ABTA, DGPA077ABTA, and DGPH077ABTA are part of York’s latest series of air conditioning and heat pump units, designed to meet the evolving demands of residential and commercial applications. These models combine efficiency with advanced technology to provide optimal climate control throughout the year.

The DGPA070ABTA stands out for its impressive cooling capacity, making it suitable for medium-sized spaces. Equipped with a high seasonal energy efficiency ratio (SEER), it maximizes cooling performance while minimizing energy consumption. This model is integrated with advanced inverter technology, allowing for variable speed operation. This means that the compressor can adjust its speed based on the cooling or heating demand, ensuring consistent temperatures and reduced energy waste.

The DGAA056BDTA model is tailored for users seeking a balance between performance and efficiency. This air conditioner features a dual-stage compressor that enables it to operate at reduced capacity during milder conditions, resulting in lower energy costs. Its compact design is ideal for installations where space is limited, and it offers a whisper-quiet operation, making it particularly attractive for residential settings.

Next is the DGPA090ABTA, which boasts one of the highest capacities in this range, making it capable of cooling larger areas effectively. It employs a state-of-the-art refrigerant that not only improves efficiency but also reduces environmental impact. This model's smart grid compatibility allows for easier integration with home automation systems, enabling users to monitor and control their cooling systems remotely.

The DGPA077ABTA serves as a versatile option for both residential and commercial users. This model features a robust build designed for durability and longevity. With its advanced filtration system, it ensures cleaner air circulation, enhancing indoor air quality. It also has programmable settings, allowing users to define schedules that align with their lifestyle.

Finally, the DGPH077ABTA model is a high-efficiency heat pump, providing both heating and cooling capabilities. This dual functionality makes it an attractive choice for regions with variable climates. The heat pump operates efficiently even in low temperatures, ensuring comfort no matter the season.

In summary, the York DGPA070ABTA, DGAA056BDTA, DGPA090ABTA, DGPA077ABTA, and DGPH077ABTA units encapsulate the brand’s commitment to innovation, efficiency, and user-centric design. These models utilize advanced technologies to ensure dependable performance, enhancing indoor comfort while being mindful of energy consumption and environmental impacts.
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