Attachment 3 - Trane Cutsheet (Unit Tag RTU).pdf

Unit Overview

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

Cooling Only / Extended Casing 40 Ton Air Cooled 10.3 EER 14.7 EER 409.25 MBh 52.10 kW 0.00 ft

Dimensions

Height Width Overall Length Footprint Length

87.000 in 93.500 in 394.500 in 0.000 in

Installed Weight

7470.2 lb

Unit Features

Panel Access Doors

Hinged Access Doors

Agency Approval cULus Approval

Unit Electrical

Power Supply/Circuit Voltage/Phase/Frequency Unit Mounted Power Connection SCCR Rating

460/60/3 5000.00 A

Circuit 1

MCA MOP DSS

133.75 A 150.00 A 143.00 A

Condenser Fan 1 FLA 2.10 A

Condenser Fan 2 FLA 2.70 A

Condenser Fan 3 FLA 2.10 A

Condenser Fan 4 FLA 2.70 A

Supply Fan 1 FLA 36.60 A

Relief Fan 1 FLA 12.60 A

Other FLA 4.50 A

Compressor 1 RLA 13.30 A

Compressor 2 RLA 16.00 A

Compressor 3 RLA 16.00 A

Compressor 4 RLA 16.00 A

Condensing Section Compressor Count 4.00 Number

Compressor Stages 4.00 Number

Condenser Coil Face Area 116.00 sq ft

Condenser Coil Rows 1.00 Number

Refrigerant Charge Circuit 1 28.0 lb

Refrigerant Charge Circuit 2 26.8 lb

Design Ambient Temperature 95.00 F

Condenser Fan Count 4.00 Number

Condenser Fan VFD Count 0.00 Number

Condenser Fan Size 30.000 in

Condenser Fan HP (each) 1.500 hp

Heating Section Function Cooling Only / Extended Casing

Heat Type & Capacity No heat

Job Name: Stewart Airport Bld 213 Rep Unit Tag: RTU

Prepared For: Quantity: 1

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Cooling Coil (DX) Section Type Cu-Al

Rows 5.00 Number

Face Area 32.50 sq ft

Inputs

Design Airflow 10400 cfm

Entering Dry Bulb 80.00 F

Entering Wet Bulb 67.00 F

Cooling Performance

Leaving Coil Dry Bulb 52.62 F

Leaving Coil Wet Bulb 52.55 F

Gross Total Capacity 450.31 MBh

Gross Sensible Capacity 309.79 MBh

Gross Latent Capacity 140.52 MBh

Net Total Capacity 409.25 MBh

Net Sensible Capacity 268.73 MBh

Net Sensible Heat Ratio 65.66 %

Dual Supply Fan - Direct Drive & Variable Speed Supply Fan 30 HP FC

Supply Fan Count 2.00 Number

Supply Motor Count 1.00 Number

VFD Count 1.00 Number

Shaft Grounding Ring Standard

Performance

Design Airflow 10400 cfm

Supply Duct Static Pressure 2.500 in H2O

Total Static Pressure 3.986 in H2O

Total Supply BHP 14.69 bhp

Supply Fan Efficiency Grade 0.00 Number

Supply Fan Motor Heat 41.06 MBh

Filter Sections

Pre-Evap Coil

Quantity/Size - #1 35-16x20x2

Face Area (sq ft.) 77.80 sq ft

Face Velocity (ft/min) 134 ft/min

Outside Air & Relief Sections

Outside Air Section

Outside Air Control 0-100% Economizer

Relief Section

Fan Motor 100% Exhaust - 10 HP w/Statitrac

Return Duct Static Pressure 1.000 in H2O

Total Static Pressure Supply Duct 2.500 in H2O

Return Duct 1.000 in H2O

Total Static Pressure 3.986 in H2O

Acoustics

63 125 250 500 1K 2K 4K 8K

Outdoor Noise 98 dB 95 dB 91 dB 90 dB 87 dB 82 dB 80 dB 76 dB

Weights Installed Point Load X1 Location 0.33 ft

Installed Point Load X2 Location 8.42 ft

Installed Point Load X3 Location 15.58 ft

Installed Point Load X4 Location 22.83 ft

Installed Point Load X5 Location 30.83 ft

Controls Unit Tag RTU

Address 0.00 Number

Baud Rate 76800

Rapid Restart Non Rapid Restart

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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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General 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, factory run tested 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 UL listed to US and Canadian Safety Standards. 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 painted with a slate gray 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 zinc-plus-zinc chromate coated.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 tie down points.

Compressors 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.

Power Supplies The 20 to 75 tons air-cooled rooftops shall be available with 200, 230, 460, and 575 voltage power supplies.

Ambient Control Variable speed condenser motors shall be provided to allow the unit to operate down to 0°F.

Hot Gas Bypass Electronic Hot Gas Bypass valve piping and controls shall all be included on circuit 1 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. Valves sized to meet ASHRAE 90.1.

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

The High Efficiency Condenser Coil option shall include additional rows of coil that provide increased efficiency compared to standard coils.

Air-Cooled 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 weather-tight slingers over motor bearings. Modulating condenser fans shall be provided on eFlex units.

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Supply Fan Supply fan motors shall be open drip-proof. All supply fans shall be dynamically balanced in factory.

Supply fan shall be test run in unit and shall reach rated rpm.

20 to 75 Tons with 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. 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.

Variable Air Volume Supply Air Temperature Control with Variable Frequency Drives and Bypass Bypass control shall provide full nominal airflow in the event of drive failure.

Electrical Unit shall be completely factory wired with necessary control and contactor pressure lugs or terminal block for power wiring. Units shall provide an option for a non-fused disconnect with external handle for safety.

Unit Voltag Rooftops shall be available with 200, 230, 460, and 575 voltage, 3 phase, 60 Hz power supplies.

Unit Interrupt Rating (Short Circuit Current Rating-SCCR) A standard SCCR of 5,000 amps shall be applied to the unit enclosure. A high fault SCCR option is available that provides a 65,000A SCCR for 200V, 230V, and 460V units; 35,000A SCCR for 575V units.

Phase Monitor Standard on 20 to 75 tons. Phase monitor shall protect 3-phase equipment from phase loss, phase reversal and phase imbalance. Any fault condition shall produce a Failure Indicator LED and send the unit into an auto stop condition. cULus approved.

Non-Fused Disconnect An external handle mounted on the control box door shall be provided to disconnect unit power with the control box door closed for safety.

Symbio 800 Controller The Symbio 800 controller is an application-specific, programmable controller that is factory installed and designed to control packaged HVAC equipment. A 7" user interface features a touch-sensitive color screen that provides facility managers with at-a-glance operating status, performance monitoring, scheduling changes and operating adjustments. Other advanced features include automated controller backup and optional features such as secure remote connectivity, wireless building communications, mobile device connectivity and custom programming with expandable I/O.

General Filters Filter options shall mount integral within unit and be accessible by hinged access panels.

Pre-Evaporator Filter Options (Available for all units) Throwaway Filters, MERV 4 Filters shall be two-inch [50.8 mm] thick, UL Class 2, glass fiber type and rated at 80% average synthetic dust weight arrestment when tested in accordance with ASHRAE 52-76 and 52.1 test methods. Filters shall be mounted in galvanized steel rack.

Relief Air Return air options shall include no relief, barometric relief, 100 percent modulating exhaust fan and 100 percent modulating exhaust fan with direct space building pressurization control. Exhaust motors shall be open drip-proof fan cooled. All 60 Hz motors meet the Energy Independence and Security Act of 2007 (EISA). All 50 Hz exhaust motors meet the U.S. Energy Policy Act of 1992 (EPACT).

Modulating Relief Fan Option

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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 spring isolation on motor sizes larger than 5 hp.

With Statitraclm Enabled For VAV rooftops, the modulating relief discharge dampers (or VFD) shall be modulated in response to building pressure. A differential pressure control system, (StatitracTM), 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.

With Statitracim Disabled Relief dampers at unit outlet shall modulate relief airflow in response to OA damper position.

0-100 Percent Modulating Economizer Option Economizer option shall be operated through the primary temperature controls to automatically utilize outside air for "free" cooling. Automatically modulated return and outside air 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 user interface 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. Standard economizer dampers leakage rate shall be 2.5 percent of nominal airflow (400 cfm/ton) at 1 inch wg.

static pressure.

Low-Leak Economizer Damper Option Low leak dampers shall be provided with gasketing added to the damper blades and rolled stainless steel jamb seals to the sides of the damper assembly. Low leak economizer dampers shall have a leakage rate of 1 percent based on testing data completed in accordance with AMCA Standard 500 at AMCA Laboratories.

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.

Powered Convenience Outlet A 15A, 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.

Two-Inch Spring Isolators Supply and relief/return fan (if applicable) assemblies shall be isolated with two-inch nominal deflection to reduce transmission of vibrations (standard feature on 90 to 130 tons).

Certified AHRI Performance Packaged Rooftop units cooling, heating capacities and efficiencies shall be 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

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