Trane RT-PRC007-EN manual Table GD-3- General Data 50Ton

Page 17

General Data

Table GD-3— General Data — 50Ton

 

 

50Ton

Cooling Performance1

 

 

Nominal Gross Capacity

 

616,000

Natural Gas Heat2

Low

High

Heating Input (BTUH)

400,000

800,000

First Stage

300,000

600,000

Heating Output (BTUH)

324,000

648,000

First Stage

243,000

486,000

Steady State Efficiency (%)3

81.00

81.00

No. Burners

1

2

No. Stages

2

2

Gas Connection Pipe Size (in.)

3/4

1

Electric Heat

 

 

KW Range5

 

41-108

Capacity Steps:

 

2

Compressor

 

 

Number/Type

 

3/Scroll

Size (nominal)

 

14

Unit Capacity Steps (%)

 

100/67/33

Motor RPM

 

3450

Outdoor Coil —Type

 

Lanced

Tube Size (in.) OD

 

3/8

Face Area (sq. ft.)

 

69.79

Rows/Fins Per Inch

 

2/16

Indoor Coil —Type

 

Hi-Performance

Tube Size (in.) OD

 

1/2

Face Area (sq. ft.)

 

37.50

Rows/Fins Per Foot

 

4/164

Refrigerant Control

 

TXV

No. of Circuits

 

2

Drain Connection No./Size (in)

 

1/1.25

Type

 

PVC

Outdoor FanType

 

Propeller

No. Used/Diameter

 

4/28.00

DriveType/No. Speeds

 

Direct/1

CFM

 

31,700

No. Motors/HP/RPM

 

4/1.10/1125

Indoor FanType

 

FC

No. Used

 

1

Diameter/Width (in)

 

25.00/25.00

DriveType/No. Speeds

 

Belt/1

No. Motors/HP

 

1/10.00/15.00/20.00

Motor RPM

 

1760

Motor Frame Size

 

215/254/256T

Exhaust FanType

 

Propeller

No. Used/Diameter (in)

 

2/26.00

DriveType/No. Speeds/Motors

 

Direct/2/2

Motor HP/RPM

 

1.0/1075

Motor Frame Size

 

48

Filters —Type Furnished

 

Throwaway

No./Recommended Size (in)6

 

17/16 x 20 x 2

Refrigerant Charge (Lbs of R-22)4

 

25.70/54.30 per circuit

Minimum Outside AirTemperature

 

 

For Mechanical Cooling

 

0 F

Notes:

1.Cooling Performance is rated at 95 F ambient, 80 F entering dry bulb, 67 F entering wet bulb. Gross capacity does not include the effect of fan motor heat. Rated and tested in accordance with the Unitary Large Equipment certification program, which is based on ARI Standard 340/360-93.

2.Heating Performance limit settings and rating data were established and approved under laboratory test conditions using American National Standards Institute standards. Ratings shown are for elevations up to 4,500 feet.

3.Steady State Efficiency is rated in accordance with DOE test procedures.

4.Refrigerant charge is an approximate value. For a more precise value, see unit nameplate and service instructions.

5.Maximum KW @ 208V = 41, @ 240V = 54.

6.Filter dimensions listed are nominal. For actual filter and rack sizes see the Unit Installation, Operation, Maintenance Guide.

Table GD-4 — Economizer Outdoor Air Damper Leakage (Of Rated Airflow)

∆P Across Dampers (In. WC)

 

0.5 (In.)

1.0 (In.)

Standard

1.5 %

2.5 %

Optional “Low Leak”

0.5 %

1.0 %

Note: Above data based on tests completed in accordance with AMCA Standard 575.

RT-PRC007-EN

17

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Contents Packaged Rooftop Air Conditioners American Standard Inc IntroductionContents Optional Features Features and BenefitsStandard Features Trane 3-DScroll Compressor Proven DesignThroughTesting and ResearchSimple Design with 70% Fewer Parts LowTorque VariationQuality and Reliability Features BenefitsMicro Controls MicroEase of Installation RigorousTestingSingle Point Power FC Fans with Inlet GuideVanesValue Easy to ServiceVariTrac Exhaust Air Options Application Recommendations Power Exhaust FanBarometric Relief Dampers Altitude CorrectionsDuct Design Acoustical ConsiderationsClearance Requirements Supply Air Fan Selection ProcedureElectric Heating System Air Delivery ProcedureNatural Gas Heating System Unit Electrical RequirementsModel Number Description Table GD-1 General Data 27 1/2 30 Tons General DataTable GD-2- General Data 35-40Ton Table GD-3- General Data 50Ton Table PD-3 Gas Heating Capacity Altitude Correction Factors Performance Adjustment FactorsTable PD-1- Enthalpy of Saturated AIR Table PD-5- 30Ton Gross Cooling Capacities Mbh Performance DataTable PD-4 27 1/2 Ton Gross Cooling Capacities MBh Table PD-7 40Ton Gross Cooling Capacities Mbh Table PD-6 35Ton Gross Cooling Capacities MbhTable PD-8 50Ton Gross Cooling Capacities MBh Table PD-11 Natural Gas Heating Capacities Table PD-9 Electric Heat AirTemperature RiseTable PD-10 Available Electric Heat KW Ranges Static Pressure in. wg1 Table PD-12 Supply Fan Performance 27½ 35TonTable PD-13 Supply Fan Performance 40 and 50Ton Gas Heat Electric Heat3 ID Coil Table PD-14 Component Static Pressure Drops in.W.G.1Heating System Filters2 Nominal Nominal Drive Table PD-15 Supply Air Fan Drive Selections20 HP Table PD-16- Power Exhaust Fan Performance VAV Units Only ControlsCV Units Only Supply AirTempering Unoccupied ZoneTemperature Control Cooling and HeatingAuto Changeover ConventionalThermostat InterfaceFan Failure Switch Occupied/Unoccupied SwitchingCoil Freeze Protection Frostat Night Setback SensorsSet 2. Rooftop units with Electric Heat Electrical Service SizingElectrical Data Table ED-2 27½-50Ton Electrical Service Sizing Data1 Figure DD-1 27 1/2 35Tons TC,TE,YC Low Heat Dimensional DataDimensional Data Figure DD-3 40-50Tons TC,TE,YC Low & High Heat Field Installed Sensors DimensionalConstant Integrated Comfort System Sensors CV and VAVTableW-2 Point Loading AverageWeight1 WeightsTableW-3 ComponentWeights TableW-4 Minimum Operating Clearances for Unit InstallationMechanical Specifications Unit Options Accessories LP Conversion Kit 20-60Ton File Number PL-RT-TC/TE/YC-27½ 50-TONS-PRC0007-EN-10-2001 Literature Order Number

RT-PRC007-EN specifications

The Trane RT-PRC007-EN is a part of Trane’s highly regarded line of air-cooled chillers, designed to provide exceptional performance and efficiency for a variety of commercial applications. This model is known for its robust engineering and cutting-edge technologies, making it a favored choice among facility managers and HVAC professionals.

One of the key features of the RT-PRC007-EN is its energy efficiency. Its advanced compressor design, alongside innovative heat exchanger technology, allows it to achieve significant energy savings, meeting or exceeding standards set by the Department of Energy. This efficiency not only results in lower operational costs but also contributes to a smaller carbon footprint, making it an environmentally friendly choice.

The chiller is equipped with variable speed compressors which adjust their output in relation to the cooling demand. This feature ensures optimal performance at all times, reducing energy consumption during partial load operations. Additionally, the RT-PRC007-EN incorporates Trane's unique Adaptive Control technology. This intelligent control system continuously monitors system parameters and environmental conditions, optimizing performance in real-time to ensure reliable operation.

Another standout characteristic of the RT-PRC007-EN is its quiet operation. The inclusion of sound-dampening technology and strategically placed acoustic insulation allows this chiller to operate with minimal noise, making it suitable for installations in noise-sensitive environments like hospitals or schools.

Durability is another hallmark of the RT-PRC007-EN. Built with high-quality materials, it is designed to withstand harsh operating conditions. Its corrosion-resistant components ensure longevity and reduce the need for extensive maintenance, making it a reliable choice for operators.

Lastly, the RT-PRC007-EN comes with a variety of customization options, including different refrigerant types, control systems, and capacity configurations. This flexibility allows it to adapt to the specific needs of different applications and building designs.

In summary, the Trane RT-PRC007-EN represents a fusion of efficiency, reliability, and advanced technology, making it an excellent option for those seeking a cutting-edge air-cooled chiller for their commercial HVAC needs.
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