Attachment 2 - Trane Cutsheet.pdf

Unit Overview

Unit Function Tonnage EER @ AHRI IEER @ AHRI System Power Elevation

No Heat 40 ton Air cooled 10.5 EER 14.3 EER 51.67 kW 0.00 ft

Installed Weight

7760.0 lb

Unit Features

Capacity/Efficiency Option High capacity unit

Filters High-Efficiency Throwaway Filters

Agency Approval cULus

Unit Electrical Voltage/Phase/Frequency 460/60/3

Unit Mounted Power Connection / SCCR Rating Unit disconnect switch (nonfused)

Unit Mounted Power Connection Factory-Power 15A GFI convenience outlet

Condenser Fans FLA 7.20 A

Supply Fan FLA 36.60 A

Supply Fan Motor Count 1

Exhaust/Return Fan FLA 12.60 A

Other FLA 1.00 A

Compressor 1 RLA 15.90 A

Compressor 1 Count 4.00 Each

Circuit 1

MCA MOP DSS RDE

130.15 A 150.00 A 139.00 A 150.00 A

Condensing Section Capacity/Efficiency Option High capacity unit

Refrigerant Type R-410A refrigerant

Refrigerant Charge Circuit 1 31.3 lb

Refrigerant Charge Circuit 2 29.8 lb

Ambient Control Low ambient damper(s)

Design Ambient Dry Bulb 95.00 F

Outdoor Fan Type Prop

Outdoor Fan Drive Direct

Heating Section Function No Heat

Cooling Coil (DX) Section Evaporator Type Cu-Al

Evaporator Face Area 32.50 sq ft

Evaporator Face Velocity 320 ft/min

Inputs

Design Airflow 10400 cfm

Entering Dry Bulb 80.00 F

Entering Wet Bulb 67.00 F

Cooling Performance

Leaving Coil Dry Bulb 53.25 F

Leaving Coil Wet Bulb 52.28 F

Leaving Unit Dry Bulb 56.76 F

Leaving Unit Wet Bulb 53.73 F

Gross Total Capacity 466.91 MBh

Gross Sensible Capacity 311.43 MBh

Gross Latent Capacity 155.47 MBh

Net Total Capacity 426.58 MBh

Net Sensible Capacity 271.10 MBh

Net Sensible Heat Ratio (%) 63.55 %

Job Name: Stewart Airport Bld 213 Rep Unit Tag: 1yr P and L

Prepared For: Quantity: 1

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Supply Fan Supply Fan Type FC

Supply Fan Count 2.00 Each

Supply Fan Motor HP 30 hp FC

Supply Motor Count 1

Supply Fan Motor Drive 1100 rpm

System Control VAV (DTC) with SF VFD w/ bypass

Isolator Option 2.00" [51mm] Spring isolators

Performance

Design Airflow 10400 cfm

Supply Duct Static Pressure 2.500 in H2O

Total Supply Static Pressure 3.986 in H2O

Total Supply BHP 14.43 bhp

Operating Speed (RPM) 1081 rpm

Supply Fan Efficiency 45.22 %

Supply Fan Motor Heat 40.33 MBh

Outside Air & Relief Sections

Outside Air Section

Outside Air Option 0-100% Economizer

Outside Air Control Econ Control w/comparative enthalpy

Damper Option Low leak fresh air damper

Relief Section

Airflow 9360 cfm

Return Duct Static Pressure 1.000 in H2O

Fan Option 100% -Exhaust 10 Hp w/Statitrac

Actual BHP 3.06 bhp

Operating Speed (RPM) 637 rpm

Motor Drive 700 rpm

Isolator Option 2.00" [51mm] Spring isolators

Weights Total Installed Weight 7760.0 lb

Center of Gravity - X 14.68 ft

Center of Gravity - Y 3.73 ft

Installed Point Load X1 Location 4.000 in

Installed Point Load X2 Location 120.000 in

Installed Point Load X3 Location 236.000 in

Installed Point Load X4 Location 332.000 in

Installed Point Load Y1 Location 4.000 in

Installed Point Load Y2 Location 87.000 in

Installed Point Load Weight 1 951.2 lb

Installed Point Load Weight 2 920.1 lb

Installed Point Load Weight 3 974.8 lb

Installed Point Load Weight 4 943.7 lb

Installed Point Load Weight 5 998.4 lb

Installed Point Load Weight 6 967.2 lb

Installed Point Load Weight 7 1017.9 lb

Installed Point Load Weight 8 986.7 lb

Controls & Service Options

Controls

Communication Protocol BACnet communication interface module

Control Expansion Option 0-5 volt GBAS

Service

Cabinet Options Access doors

Accessories/Misc.

Refrigeration Option Hot gas bypass valve

AHRI Certification Packaged Rooftop units cooling, heating capacities and efficiencies are rated within the scope of the Air-Conditioning, Heating & Refrigeration Institute (AHRI) Certification Program and display the AHRI Certified® mark as a visual confirmation of conformance to the certification sections of AHRI Standard 340-360 (I-P) and ANSIZ21.47 and 10 CFR Part 431 pertaining to Commercial Warm Air Furnaces. Certified units may be found in the AHRI directory at www.ahridirectory.org

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Job Name: Stewart Airport Bld 213 Rep Unit Tag: 1yr P and L

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General - R410A Units shall be specifically designed for outdoor rooftop installation on a roof curb and be completely factory assembled and tested, piped, internally wired, fully charged with R-410A compressor oil and shipped in one piece. Units shall be available for direct expansion cooling only, or direct expansion cooling with natural gas, electric, hot water or steam heating. Filters, outside air system, exhaust air system, optional non-fused disconnect switches and all operating and safety controls shall be furnished factory installed. All units shall be cULus approved and factory run tested. Cooling capacity shall be rated in accordance with AHRI Standard 360. All units shall have decals and tags to aid in service and indicate caution areas. Electrical diagrams shall be printed on long life water resistant material and shall ship attached to control panel doors.

Casing Exterior panels shall be zinc coated galvanized steel, phosphatized and painted with a slate grey air-dry finish durable enough to withstand a minimum of 672 hours consecutive salt spray application in accordance with standard ASTM B117. Screws shall be coated with zinc-plus-zinc chromate. Heavy gauge steel hinged access panels with tiebacks to secure door in open position shall provide access to filters and heating sections. Refrigeration components, supply air fan and compressor shall be accessible through removable panels as standard. Unit control panel, filter section, and gas heating section shall be accessible through hinged access panels as standard. Optional Double Wall Construction hinged access doors shall provide access to filters, return/exhaust air, heating and supply fan section. All access doors and panels shall have neoprene gaskets. Interior surfaces or exterior casing members shall have 1/2" fiberglass insulation. Unit base shall be watertight with heavy gauge formed load bearing members, formed recess and curb overhang. Unit lifting lugs shall accept chains or cables for rigging. Lifting lugs shall also serve as unit tiedown points.

Hinged Access Doors Hinged access doors shall provide easy access to supply fan, filters, exhaust/return fan, and heating section.These access doors shall feature double wall construction with dual density insulation sandwiched between heavy gauge galvanized steel panels for strength and durability

Air-Cooled Condenser Coil - R410A Condenser coils shall have all Aluminum Microchannel coils. All coils shall be leak tested at the factory to ensure pressure integrity. The condenser coil is pressure tested to 650psig Subcooling circuit(s) shall be provided as standard.

Condenser Fans and Motors All condenser fans shall be vertical discharge, direct drive fans, statically balanced, with aluminum blades and zinc plated steel hubs. Condenser fan motors shall be three-phase motors with permanently lubricated ball bearings, built-in current and thermal overload protection and weathertight slingers over motor bearings.

Low Ambient Low ambient dampers shall be provided on condenser fan to allow the unit.

Evaporator Coil - R410A Internally enhanced copper tubing of 3/8" or 1/2" O.D. shall be mechanically bonded to heavyduty aluminum fins of configured design. All coils shall be equipped with thermal expansion valves and factory pressure and leak tested.

Compressors - R410A The Trane Scroll compressor shall be industrial grade, direct drive 3600 RPM maximum speed scroll type. The motor shall be suction gas-cooled hermetic design. Compressor shall have centrifugal oil pump with dirt separator, oil sight glass, and oil charging valve. Compressor shall also be provided with thermostatic motor winding temperature control to protect against excessive motor temperatures resulting from over-/under-voltage or loss of charge, high and low pressure cutouts, and reset relay.

High Capacity Unit - R410A Units shall be made high capacity through the use of larger compressors that provide higher refrigerant mass flowrates.

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Hot Gas Bypass Valve, piping and controls shall be included on circuit 2 to allow operation at low airflow, avoiding coil frosting and damage to compressor. When suction pressure falls below valve adjustable setpoint, the valve shall modulate hot gas to the inlet of the evaporator.

Phase Monitor Shall protect 3-phase equipment from phase loss, phase reversal, and low voltage. Any fault condition shall produce a Failure Indicator LED, and send the unit into an emergency stop condition. cULus approved. (Standard on 20-75T units)

Supply Fan Supply fan motors shall be either open drip-proof or enclosed fan cooled. All supply fans shall be dynamically balanced in factory. Supply fan shall be test run in unit and shall reach rated rpm. All 60 Hz supply fan motors meet the Energy Independence Security Act of 2007 (EISA). All 50 Hz supply fan motors meet the U.S. Energy Policy Act of 1992 (EPACT).

Forward Curved Supply Fan Supply fans shall have two double-inlet, forward-curved fans mounted on a common shaft with fixed sheave drive. Fans shall be factory-tested to reach rated rpm before the fan shaft passes through first critical speed. Fan shaft shall be mounted on two grease lubricated ball bearings designed for 200,000 hours average life. Optional extended grease lines shall allow greasing of bearings from unit filter section. Fan motor and fan assembly shall be mounted on common base to allow consistent belt tension with no relative motion between fan and motor shafts. Entire assembly shall be completely isolated from unit and fan board by double deflection rubber-in-shear isolators, or by optional 2" deflection spring isolation.

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Variable Frequency Drive Unit shall include factory-installed and tested variable frequency drive[s] (VFD) to provide motor speed modulation. The VFD shall receive a 0-10VDC speed signal from the unit controller. The drive will respond to the signal by accelerating or decelerating to maintain the controlling set point (duct static, space pressure, etc). VFD shall also include the following features:

1. Designed, constructed, and tested in accordance with NEMA ICS, NFPA, and IEC standards and housed in a plastic IP20 enclosure.

2. DC link reactors on both the positive and negative rails of the DC bus equal to 3% impedance to minimize power line harmonics.

3. Full rated output current continuously - 110% of rated current for 60 seconds and 160% of rated current for up to 0.5 second while starting.

4. Isolation between the Drive's power circuitry and control circuitry to ensure operator safety and to protect connected electronic control equipment from damage caused by voltage spikes, current surges, and ground loop currents.

5. Audible noise reduction through automatic adjustment of the carrier frequency and frequency avoidance.

6. Rated at 40C with a standard operating range of -10 to 50C (14 to 124F) ambient temperatures and 0 to 95% relative humidity

7. Self-diagnostics and motor protections such as: cULus listed overload, phase loss, and internal thermal overload.

8. Off/Stop and Auto/Start selector switches to start and stop the AC Drive and determine the speed reference.

a. On units with bypass, an AC Drive/Off/Bypass hand selector switch shall be provided in the unit control box

b. In DRIVE mode speed reference shall be provided by a 0-10 VDC analog input

9. A keypad interface which shall be programmable by language and feature multiple lines for easy reading.

10. Controlled and/or accessible points such as AC Drive Start/Stop, speed reference, and fault diagnostics.

11. Meter points such as motor power in HP, motor power in kW, motor kW-hr, motor current, motor voltage, hours run, DC link voltage, thermal load on motor, Thermal load on AC Drive and Heatsink temperature.

12. Troubleshooting features such as:

a. AC Drive memory storage of the last 10 faults and related operational data

b. Four simultaneous displays: frequency or speed, run time, output amps and output power

c. Keypad which shall display: Reference Signal Value, Output Frequency in Hz or percent, Output Amps, Motor HP, Motor kW, kW

13. Coated circuit boards for protection against corrosive environments

14. Field readable BACnet points to allow for communication of stauts, setpoints and diagnostics to the BAS.

Bypass control Shall provide full nominal airflow in the event of drive failure.

Two-inch Spring Isolators Supply and Exhaust/Return fan (if applicable) assemblies shall be isolated with two-inch nominal deflection to reduce transmission of vibrations

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Modulating 100 Percent Exhaust Fan with Statitrac Control Two, double-inlet, forward-curved fans shall be mounted on a common shaft with fixed sheave drive.

All fans shall be dynamically balanced and tested in factory before being installed in unit. Exhaust fan shall be test run as part of unit final run test. Unit shall reach rated rpm before fan shaft passes through first critical speed. Fan shaft shall be mounted on two grease lubricated ball bearings designed for 200,000-hour average life. Optional extended grease lines shall be provided to allow greasing of bearings from unit filter section. Fan motor and assembly shall be mounted on common base to allow consistent belt tension with no relative motion between fan and motor shafts. Entire assembly shall be completely isolated from unit and fan board by double deflection, rubber in shear isolators or spring isolation on motor sizes larger than five hp. For both CV and VAV rooftops, the 100 percent modulating exhaust discharge dampers (or VFD) shall be modulated in response to building pressure. A differential pressure control system, (Statitrac), shall use a differential pressure transducer to compare indoor building pressure to outdoor ambient atmospheric pressure. The FC exhaust fan shall be turned on when required to lower building static pressure setpoint. The (Statitrac) control system shall then modulate the discharge dampers (or VFD) to control the building pressure to within the adjustable, specified dead band that shall be adjustable at the Human Interface Panel. All 60 Hz exhaust fan motors meet the Energy Independence Security Act of 2007 (EISA).

0-100 percent modulating economizer Operated through the primary temperature controls to automatically utilize OA for "free" cooling.

Automatically modulated return and OA dampers shall maintain proper temperature in the conditioned space. Economizer shall be equipped with an automatic lockout when the outdoor high ambient temperature is too high for proper cooling. Minimum position control shall be standard and adjustable at the Human Interface Panel or with a remote potentiometer or through the building management system. A spring return motor shall ensure closure of OA dampers during unit shutdown or power interruption. Mechanical cooling shall be available to aid the economizer mode at any ambient. Low leak economizer dampers shall be standard with a leakage rate of 2.5 percent of nominal airflow (400 CFM/ton) at 1" wg. static pressure.

Economizer Control with Comparative Enthalpy Two enthalpy sensors shall be provided to compare total heat content of the indoor air and outdoor air to determine the most efficient air source when economizing.

low-leak economizer dampers Standard low leak dampers shall be provided with chlorinated polyvinyl chloride gasketing added to the damper blades and rolled stainless steel jamb seals to the sides of the damper assembly.

Dampers shall have a leakage rate of 1% at 1.0 in WC pressure differential

High efficiency throwaway, MERV 8 Shall be two-inch high efficiency MERV 8 media filters with average dust spot efficiency of 25-35 percent and an average arrestance in excess of 90 percent when tested in accordance with ASHRAE 52-76.

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Unit Controller DDC microprocessor controls shall be provided to control all unit functions. The control system shall be suitable to control CV or VAV applications. The controls shall be factory-installed and mounted in the main control panel. All factory-installed controls shall be fully commissioned (run tested) at the factory. The unit shall have a Human Interface Panel with a 16 key keypad, a 2 line X 40 character clear English display as standard to provide the operator with full adjustment and display of control data functions. The unit controls shall be used as a stand-alone controller, or as part of a building management system involving multiple units.

The unit shall be equipped with a complete microprocessor control system. This system shall consist of temperature and pressure (thermistor and transducer) sensors, printed circuit boards (modules), and a unit mounted HumanInterface Panel. Modules (boards) shall be individually replaceable for ease of service. All microprocessors, boards and sensors shall be factory mounted, wired and tested. The microprocessor boards shall be stand-alone DDC controls not dependent on communications with an on-site PC or a Building Management Network. The microprocessors shall be equipped with on-board diagnostics, indicating that all hardware, software and interconnecting wiring are in proper operating condition. The modules (boards) shall be protected to prevent RFI and voltage transients from affecting the board's circuits. All field wiring shall be terminated at separate, clearly marked terminal strip. Direct field wiring to the I/O boards is not acceptable. The microprocessor's memory shall be non-volatile EEPROM type requiring no battery or capacitive backup, while maintaining all data.

Zone sensors shall be available in several combinations with selectable features depending on sensor.

The Human Interface Panel's keypad display character format shall be 40 characters x 2 lines. The character font shall be 5 x 7 dot matrix plus cursor. The display shall be Supertwist Liquid Crystal Display (LCD) with blue characters on a ray/green background which provides high visibility and ease of interface. The display format shall be in clear English. Two or three digit coded displays are not acceptable.

The keypad shall be equipped with 16 individual touch-sensitive membrane key switches. The switches shall be divided into four separate sections and be password protected from change by unauthorized personnel. The six main menus shall be STATUS, SETPOINTS, DIAGNOSTICS, SETUP, CONFIGURATION and SERVICE MODE.

BACnet Communication Interface Module Option shall provide control and monitoring of the rooftop by Tracer SC or a 3rd party building management system utilizing BACnet protocol.

Unit Interrupt Rating (Standard Short Circuit Current Rating-SCCR) A 5,000 Amp rating shall be applied to the unit enclosure using a non-fused circuit breaker for disconnect switch purposes. Fan motors, compressors, and electric heat circuits shall be provided with protective devices that will provide the unit rated level of fault protection. The unit shall be marked with approved cULus markings and will adhere to cULus regulations.

Factory Powered GFI Convenience Outlet A15A, 115V Ground Fault Interrupter convenience outlet shall be factory installed. It shall be wired and powered from a factory mounted transformer. Unit-mounted, non-fused disconnect with external handle shall be furnished with factory powered outlet

Non-Fused Disconnect Switch with External Handle External handle SHALL enable the operator to disconnect unit power with the control box door closed for safety.

Equipment manufactured by Trane that includes required start-up and sold in North America will not be warranted by Trane unless Trane or its authorized independent Trane commercial sales office performs the startup on the equipment.

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Certified AHRI Performance Packaged Rooftop units cooling, heating capacities and efficiencies are rated within the scope of the Air-Conditioning, Heating & Refrigeration Institute (AHRI) Certification Program and display the AHRI Certified® mark as a visual confirmation of conformance to the certification sections of AHRI Standard 340-360 (I-P) and ANSIZ21.47 and 10 CFR Part 431 pertaining to Commercial Warm Air Furnaces.

The applications in this catalog specifically excluded from the AHRI certification program are:

-Ventilation modes -Heat Recovery.

-Units larger than nominal 63 tons in Cooling -Evaporative Condensers

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Fan Details Unit Size Operating Brake

Power

14.43 bhp

Operating Airflow 10,400 cfm Altitude 0.00 ft Operating Static Pressure

3.986 in H2O Design Temp. 80.00 F

Operating RPM 1,081 rpm