036-21411-002-A-0204

a.Balance-port thermostatic expansion valve with independent circuit feed system.

b.Filter drier/strainer to eliminate any moisture or for- eign matter.

c.Accessible service gage connections on both suc- tion and discharge lines to charge, evacuate, and measure refrigerant pressure during any necessary servicing or troubleshooting, without losing charge.

d.The refrigeration system shall provide at least 15 ºF of liquid sub-cooling at design conditions.

4.Unit Controls:

a.Unit shall be complete with self contained low-volt- age control circuit protected by a resetable circuit breaker fuse on the 24 volt transformer side.

b.Unit shall incorporate a lock-out circuit which pro- vides reset capability at the space thermostat or base unit, should any of the following standard safety devices trip and shut off compressor:

I.Loss-of-charge/Low-pressure switch.

II. High-pressure switch.

III.Freeze-protection thermostat, evaporator coil.

If any of the above safety devices trip, an LED (light-emitting diode) indicator shall illuminate.

c.Unit shall incorporate AUTO RESET compressor over temperature, over current protection.

d.Unit shall operate with conventional thermostat designs and have a low voltage terminal strip for easy hook-up.

GAS HEATING SECTION (DEG MODELS)

1.Shall be designed with induced draft combustion with post purge logic, energy saving direct spark ignition and redundant main gas valve. Ventor wheel shall be con- structed of stainless steel for corrosion resistance.

2.The heat exchanger shall be of the tubular type, con- structed of T1-40 aluminized steel for corrosion resis- tance and allowing minimum mixed air entering temperature of 25 ºF.

3.Burners shall be of the in-shot type, constructed of alu- minum coated steel and contain air mixture adjustments.

4.All gas piping shall enter the unit cabinet at a single loca- tion, through either the side or bottom, without any field modifications.

5.An integrated control board shall provide timed control of evaporator fan functioning and burner ignition.

6.Heating section shall be provided with the following mini- mum protection:

a.Primary and auxiliary high-temperature limit switches.

b.Induced draft motor speed sensor.

c.Flame roll out switch (automatic reset).

d.Flame proving controls.

ELECTRIC HEATING SECTION (DEE MODELS)

1.An electric heating section, with nickel chromium ele- ments, shall be provided in a range of 5 through 30 KW, offering two stages of capacity - 16 KW and above on 208/230 volt heaters and 20 KW and above on 460 and 575 volt heaters.

2.The heating section shall have a primary limit control(s) and automatic reset, to prevent the heating element sys- tem from operating at an excessive temperature.

3.The Heating Section assembly shall slide out of the unit for easy maintenance and service.

4.Units with Electric Heating Sections shall be wired for a single point power supply with branch circuit fusing (where required).

UNIT OPERATING CHARACTERISTICS

1.Unit shall be capable of starting and running at 125 ºF outdoor temperature, exceeding maximum load criteria of ARI Standard 210/240.

2.The compressor, with standard controls, shall be capable of operation down to 45 ºF outdoor temperature. Acces- sory low ambient kit shall be available for operation down to 0 ºF.

3.Unit shall be provided with fan time delay to prevent cold air delivery before heat exchanger warms up. (Gas heat only.)

ELECTRICAL REQUIREMENTS

All unit power wiring shall enter unit cabinet at a single factory provided location and be capable of side or bottom entry, to minimize roof penetrations and avoid unit field modifications. Separate side and bottom openings shall be provided for the control wiring.

STANDARD LIMITED WARRANTIES

Compressor- 5 Years

Heat Exchanger- 10 Years

Elect. Heat. Elem.- 5 Years

Parts - 1 Year

Unitary Products Group

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York D1EG, D1EE036 GAS Heating Section DEG Models, Electric Heating Section DEE Models, Unit Operating Characteristics

D1EG, D1EE036 specifications

The York D1EE036 and D1EG are two models of high-performance direct expansion (DX) rooftop air conditioning units designed for commercial applications. These units are known for their efficiency, reliability, and advanced technology.

The D1EE036 model is particularly recognized for its energy efficiency, featuring a high-efficiency scroll compressor. This compressor operates at lower energy consumption levels while providing consistent cooling performance. The unit is equipped with variable speed technology, which adjusts the compressor's speed according to the cooling demand. This feature not only optimizes energy use but also minimizes the sound levels during operation, making it suitable for noise-sensitive environments such as hospitals and schools.

On the other hand, the D1EG model is designed for versatility and offers a range of custom configuration options. It incorporates advanced controls that allow for integration with building management systems, enabling users to monitor and manage their HVAC systems remotely. The D1EG is also notable for its robust construction, with weather-resistant enclosures that ensure durability and longevity in various environmental conditions.

Both models feature an advanced microprocessor control system that provides precise temperature control and enhances overall system efficiency. These controls allow for multiple unit configurations, including staged cooling, which further contributes to energy savings. Additionally, both units come equipped with high-efficiency filters that improve indoor air quality by trapping dust, pollen, and other airborne particles.

From a technological standpoint, the York D1EE036 and D1EG models support environmentally friendly refrigerants, which comply with the latest regulations for reducing ozone depletion potential. The use of these refrigerants not only helps in meeting regulatory requirements but also aligns with global sustainability goals.

In summary, the York D1EE036 and D1EG rooftop units are engineered to deliver excellent performance, adaptability, and energy efficiency for commercial settings. Their combination of innovative technologies, environmentally conscious design, and advanced control features make them a compelling choice for businesses looking to enhance their HVAC systems while reducing operational costs. Whether requiring quiet operation or robust configurability, these units offer solutions that cater to diverse commercial needs.