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Service Facts
Packaged Rooftop Air Conditioners
Precedent™– Cooling, Gas/Electric
7.5 Ton Standard Efficiency Rooftop Units
Model Numbers
TSC090H
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of
heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training.
Improperly installed, adjusted or altered equipment by an unqualified person could result in death or serious injury.
When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are
attached to the equipment.
April 2020
YSC090H
SAFETY WARNING
RT-SVF55F-EN
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Summary of Contents for Trane Precedent TSC090H
- Page 1 Service Facts Packaged Rooftop Air Conditioners Precedent™– Cooling, Gas/Electric 7.5 Ton Standard Efficiency Rooftop Units Model Numbers TSC090H YSC090H SAFETY WARNING Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or serious injury.
- Page 2 (Global Harmonized System of Classification and compounds have the same potential impact to the Labeling of Chemicals) guidelines for information on environment. Trane advocates the responsible handling of allowable personal exposure levels, proper all refrigerants-including industry replacements for CFCs respiratory protection and handling instructions.
- Page 3 Copyright This document and the information in it are the property of Trane, and may not be used or reproduced in whole or in part without written permission. Trane reserves the right to revise this publication at any time, and to make changes to its content without obligation to notify any person of such revision or change.
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Page 4: Table Of Contents
Table of Contents General Data ......5 Performance Data ..... . . 6 Evaporator Fan Performance . -
Page 5: General Data
General Data Table 1. General data - 7.5 tons (single compressor) - Table 1. General data - 7.5 tons (single compressor) - standard efficiency (continued) standard efficiency 7.5 Tons 7.5 Tons T/YSC090H3,4,W T/YSC090H3,4,W Heating Output Cooling Performance Low Heat Input (Btu) 96,000 Gross Cooling Capacity (400 cfm/ton) 92,500... -
Page 6: Performance Data
Performance Data Table 2. Standard motor & sheave/fan speed (rpm) Unit Model 6 Turns 5 Turns 4 Turns 3 Turns 2 Turns 1 Turn Tons Number Sheave Open Open Open Open Open Open Closed T/YSC090H AK59x1” 1045 1105 Note: Factory set at 3 turns open. Table 3. -
Page 7: Evaporator Fan Performance
Performance Data Evaporator Fan Performance Table 7. Belt drive evaporator fan performance - 7.5 tons standard efficiency - TSC090H3,4,W downflow airflow External Static Pressure (Inches of Water) 1.00 rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm 1-hp Standard Motor &... - Page 8 Performance Data Table 8. Belt drive evaporator fan performance - 7.5 tons standard efficiency - TSC090H3,4,W horizontal airflow External Static Pressure (Inches of Water) 1.00 rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm 1-hp Standard Motor &...
- Page 9 Performance Data Table 9. Belt drive evaporator fan performance - 7.5 tons standard efficiency with gas heat - YSC090H3,4,W low & medium gas heat downflow airflow External Static Pressure (Inches of Water) 1.00 rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm 1-hp Standard Motor &...
- Page 10 Performance Data Table 10. Belt drive evaporator fan performance - 7.5 tons standard efficiency with gas heat - YSC090H3,4,W low & medium gas heat - horizontal airflow External Static Pressure (Inches of Water) 1.00 rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm 1-hp Standard Motor &...
- Page 11 Performance Data Table 11. Belt drive evaporator fan performance - 7.5 tons standard efficiency with gas heat - YSC090H3,4,W high gas heat downflow airflow External Static Pressure (Inches of Water) 1.00 rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm 1-hp Standard Motor &...
- Page 12 Performance Data Table 12. Belt drive evaporator fan performance - 7.5 tons standard efficiency with gas heat - YSC090H3,4,W high gas heat horizontal airflow External Static Pressure (Inches of Water) 1.00 rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm bhp rpm 1-hp Standard Motor &...
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Page 13: Pressure Curves
Pressure Curves Figure 1. T/YSC090H Cooling cycle pressure curve (Based on Indoor Airflow of 400 CFM/Ton) 115 F OD Ambient 105 F OD Ambient 95 F OD Ambient 85 F OD Ambient 75 F OD Ambient 65 F OD Ambient 55 F OD Ambient Suction Pressure (Psig) RT-SVF55F-EN... -
Page 14: Subcooling Charging Chart
Subcooling Charging Chart Figure 2. T/YSC090H subcooling charging chart - 320 cfm/ton Remove charge Add charge Liquid Temperature Leaving OD Coil, °F RT-SVF55F-EN... - Page 15 Subcooling Charging Chart Figure 3. T/YSC090H subcooling charging chart - 400 cfm/ton Remove charge Add charge Liquid Temperature Leaving OD Coil, °F RT-SVF55F-EN...
- Page 16 Subcooling Charging Chart Figure 4. T/YSC090H subcooling charging chart - 480cfm/ton Remove charge Add charge Liquid Temperature Leaving OD Coil, °F RT-SVF55F-EN...
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Page 17: Refrigerant Circuit
Refrigerant Circuit Figure 5. T/YSC090H refrigerant circuit ID COIL Filter Drier Compressor Service Valve Low Pressure Control Service Valve High Pressure Service Valve DLTS Control Refrigerant Flow Cooling System 1 RT-SVF55F-EN... - Page 20 For more information, please visit trane.com or americanstandardair.com. Trane and American Standard have a policy of continuous product and product data improvement and reserve the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.