York BP 072 warranty Indoor Evaporator FAN Assembly

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lated with a minimum 1/2” thick insulation, coated on the air- side. Aluminum foil faced insulation shall be used in the furnace compartment and be fastened with ridged fasteners to prevent insulation from entering the air stream. Cabinet panels shall be “large” size, easily removable for servicing and maintenance. Full perimeter base rails shall be provided to assure reliable transit of equipment, overhead rigging and proper sealing on roof curb applications. Disposable 1" filters shall be furnished and be accessible through a removable access door, sealed airtight. Units filter track shall be designed to accommodate either 1” or 2” filters. Fan perfor- mance measuring ports shall be provided on the outside of the cabinet to allow accurate air measurements of evaporator fan performance without removing panels or creating air by- pass of the coils. Condensate pan shall be internally sloped and conform to ASHRAE 62-89 self-draining standards. Con- densate connection shall be a minimum of 3/4” I.D. female and be a ridged mount connection.

INDOOR (EVAPORATOR) FAN ASSEMBLY

The indoor fan shall be a factory installed belt drive assembly that includes an adjustable pitch motor pulley. Job site selected (B.H.P.) brake horsepower shall not exceed the motors nameplate horsepower rating, plus the service factor. Units shall be designed not to operate above service factor. Fan wheel shall be double-inlet type with forward-curved blades, dynamically balanced to operate smoothly throughout the entire range of operation. Airflow design shall be constant air volume. Bearings shall be sealed and permanently lubri- cated for longer life and no maintenance.

OUTDOOR (CONDENSER) FAN ASSEMBLY

The outdoor fan shall be of the direct-driven propeller type, discharge air vertically, have aluminum blades riveted to a corrosion resistant steel spider bracket and shall be dynami- cally balanced for smooth operation. The outdoor fan motor shall be totally enclosed with permanently lubricated bear- ings, internally protected against overload conditions and staged independently.

REFRIGERANT COMPONENTS

Compressor:

a.Shall be internally protected with internal high-pres- sure relief and over temperature protection.

b.Shall have internal spring isolation and sound muf- fling to minimize vibration and noise, and be exter- nally isolated on a dedicated, independent mounting.

Coils:

a.Evaporator and condenser coils shall have alumi- num plate fins mechanically bonded to seamless internally enhanced copper tubes with all joints brazed. Special Phenolic coating shall be available as a factory option.

036-21630-001-B-0904

b.Evaporator and Condenser coils shall be of the direct expansion, draw-thru, design.

Refrigerant Circuit and Refrigerant Safety Components shall include:

a.Independent fixed-orifice expansion devices.

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

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

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

UNIT CONTROLS

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

b.Unit shall incorporate a lockout 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.

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

d.High-pressure switch.

e.Freeze-protection thermostat, evaporator coil.

f.If any of the above safety devices trip, a LED (light- emitting diode) indicator shall flash a diagnostic code that indicates which safety switch has tripped.

g.Unit shall incorporate “AUTO RESET” compressor over temperature, over current protection.

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

i.Unit control board shall have on-board diagnostics and fault code display.

j.Standard controls shall include anti-short cycle and low voltage protection, and permit cooling operation down to 0°F.

k.Control board shall monitor each refrigerant safety switch independently.

l.Control board shall retain last 5 fault codes in non volatile memory, which will not be lost in the event of a power loss.

ELECTRIC HEATING SECTION

An electric heating section, with nickel chromium elements, shall be provided in a range of 5 thru 30 KW, offering two stages of capacity - 16 KW and above on 208/230 volt heat- ers and 20 KW and above on 460 and 575 volt heaters. The heating section shall have a primary limit control(s) and auto-

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Unitary Products Group

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Contents Single Package Heat Pump Units DescriptionAshrae 90.1-2001 Compliant Table of Contents 072 C00 Product NomenclatureProduct Nomenclature Johnson UNT Controller, DFS, APS, SS Drain Pan Technicoat Condenser Coil & Dirty Filter Switch Hinged Filter Door & Toolless Access Cabinet 036-21630-001-B-0904 Novar ETC-3 Controller, DFS, APS, SS Drain Pan Hinged Filter Door & Toolless Access Cabinet Features FACTORY-INSTALLED Options Unit CutawayFIELD-INSTALLED Accessories 036-21630-001-B-0904 ESP Blower Sound Power RATING1Capacity Ratings Unit CFMBP072 Cooling Capacities 6 TON 1800125F ID DB Outdoor AIR Temperature F 72% RHBP072 Heating Capacities MBHBelt Drive Blower Motor and Drive Data Static ResistancesElectric Heater CFM Limitations Brkr FLANone Tonnage Motor Outlet Physical Data Electric Heat Correction FactorsVoltage LIMITATIONS1 Typical Power Wiring Typical Control WiringUnit Dimensions Front View Unit with Fixed Outdoor AIR/MOTORIZED Damper Rainhood Minimum Clearances Hole Opening Size DIA Used forClearance Typical Applications BP 6 Point Loads Weight Distribution Operating Weights LBSCenter of Gravity Guide Specifications GeneralDescription Indoor Evaporator FAN Assembly Manual Outdoor AIR Damper 036-21630-001-B-0904

BP 072 specifications

The York BP 072 is a prominent model within the York line of rooftop units. Renowned for its efficiency and robust performance, the BP 072 is designed to cater to the needs of commercial applications where reliable heating and cooling are paramount. With a focus on energy efficiency, this model offers optimal performance while minimizing energy consumption, making it a suitable choice for businesses aiming to reduce operational costs.

One of the standout features of the York BP 072 is its advanced scroll compressor technology. This technology not only enhances the unit's efficiency but also ensures quieter operation, thus creating a more comfortable environment for occupants. The compressor's design helps reduce vibration, which contributes to the overall longevity of the unit.

In terms of thermal performance, the BP 072 is engineered with a high-efficiency coil design that maximizes heat exchange. This design plays a crucial role in delivering superior cooling and heating capabilities throughout the year. Furthermore, the unit comes equipped with multiple stages of heating and cooling, ensuring precise temperature control and comfort, regardless of the weather outside.

The BP 072 benefits from York’s commitment to sustainability, featuring environmentally friendly refrigerants that align with modern environmental regulations. The use of these refrigerants not only provides minimal ecological impact but also contributes to energy efficiency, addressing both operational costs and environmental concerns.

Another characteristic that sets the York BP 072 apart is its user-friendly control system. The unit includes an integrated microprocessor-based control that streamlines operation and monitoring. This feature allows facility managers to easily adjust settings, enabling the unit to operate efficiently based on current demand and occupancy levels.

Ease of maintenance is another significant aspect of the BP 072. Designed with accessible components, routine upkeep is simplified, allowing technicians to perform inspections and repairs with minimal disruption to building operations. This focus on serviceability not only extends the life of the unit but also ensures continuous performance.

Overall, the York BP 072 stands out as a reliable and efficient solution for commercial heating and cooling needs. Its advanced features, energy-efficient technologies, and user-friendly characteristics make it an ideal choice for businesses looking to manage their environment effectively while minimizing costs. Whether for new construction or replacement of existing systems, the York BP 072 is a strong contender in today’s competitive market.