Trane Precedent WSC060AD User Manual Download Page 35

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PKGP-PRC004-EN

Electrical
Data

Table ED-1 — Unit Wiring

Standard Indoor Fan Motor

Oversize Indoor Fan Motor

Unit

Minimum

Maximum Fuse

Minimum

Maximum Fuse

Unit

Operating

Circuit

Size Or Maximum

Circuit

Size Or Maximum

Model No.

Voltage Range

Ampacity

Circuit Breaker

Ampacity

Circuit Breaker

WSC060AD

342-456

18.9

WSC060AT

180-220

37.2

WSC072AD

342-456

21.9

22.9

WSC072AT

180-220

38.4

43.9

WSC090AD

342-456

24.8

26.5

WSC090AT

180-220

47.6

50.2

WSC120AD

342-456

31.2

WSC120AT

180-220

59.5

Notes:
1. All units to be installed under local codes.

Summary of Contents for Precedent WSC060AD

Page 1: ...Packaged Heat Pumps Precedent WSC060 120 50 Hz PKGP PRC004 EN February 2004 ...

Page 2: ...ility for the simplest to the most sophisticated applications In addition to controls Precedent offers many other outstanding features and option choices With its sleek compact cabinet rounded corners and beveled top it may just be the most aesthetically pleasing packaged unit on the planet And of course Precedent carries theTrane reputation for excellence quality and reliability It s hard to stop...

Page 3: ...s and Benefits Application Considerations Selection Procedure Model Number Description General Data Performance Data Controls Electrical Data Jobsite Connections Dimensional Data Weights Mechanical Specifications 2 4 9 10 12 13 14 34 35 38 39 46 47 ...

Page 4: ...s are either captured or sealed to ensure no fibers get into the airstream Easy Adjust Idler Arm With the Easy Adjust Idler Arm the belt and sheaves can be quickly adjusted without moving the mounted fan motor The result is a major savings in time and money Patented Condenser Coil Precedent boasts a patented 1 1 1 Hybrid coil permanently gapped for easy cleaning Colored And Numbered Wiring You sav...

Page 5: ...n the industry ship cycle time Standardized Components Components are placed in the same location on all Precedent units Familiarize yourself with one Precedent and you are familiar with every Precedent Easy Access Low Voltage Terminal Board Precedent s Low Voltage Terminal Board is external to the electrical control cabinet It is extremely easy to locate and attach the thermostat wire This is ano...

Page 6: ...nti short cycle timer time delay relay and minimum on time controls These controls are factory tested to assure proper operation Requires no special tools to run the Precedent unit through its paces during testing Simply place a jumper betweenTest 1 andTest 2 terminals on the Low Voltage Terminal Board and the unit will walk through its operational steps The unit automatically returns control to t...

Page 7: ... that s not working The field installation charges for these valuable feedback devices often eliminate them from consideration Factory installation can make such features a good investment Comm 3 4Trane Communication Interface Available factory or field installed This module when applied with the Micro easily interfaces withTrane s Integrated Comfort system The following options round out the comp...

Page 8: ...cted immediately Every unit receives a 100 unit run test before leaving the production line to make sure it lives up to rigorousTrane requirements We test designs at our factory not on our customers Quality And Reliability Testing All Precedent designs were rigorously rain tested at the factory to ensure water integrity Actual shipping tests were performed to determine packaging requirements Units...

Page 9: ...ing the conditioned space NOTE THE EFFECTIVENESS OF BAROMETRIC RELIEF DAMPER DURING ECONOMIZING OPERATION IS SYSTEM RELATED PRESSURE DROP OF THE RETURN AIR SYSTEM SHOULD BE CONSIDERED TO CONTROL BUILDING PRESSURIZA TION Condensate Trap The evaporator is a draw thru configuration A trap must be field provided prior to start up on the cooling cycle Clearance Requirements The recommended clearances i...

Page 10: ...e is 234 37 197 Pa With 3 400 m3 hr and 197 Pa Table PD 9 shows 0 75 kW Note below the table gives a formula to calculate Fan Motor Heat Fan Motor Heat kW 1 144 x Fan kW 0 132 1 144 x 0 75 0 132 1 0 kW NetTotal Cooling Capacity 18 1 1 0 17 1 kW Net Sensible Cooling Capacity 14 7 1 0 13 7 kW Heating Capacity Step 1 Calculate the building heating load using theTrane calculation form or other standar...

Page 11: ...15 0 78 With 2 000 cfm and 0 78 inches Table PD 9a shows 1 00 bhp Note below the table gives a formula to calculate Fan Motor Heat Fan Motor Heat MBh 2 915 x Fan bhp 0 451 2 915 x 1 00 0 451 3 37 MBh NetTotal Cooling Capacity 57 3 37 53 6 MBh Net Sensible Cooling Capacity 38 3 37 34 6 MBh Heating Capacity Step 1 Calculate the building heating load using theTrane calculation form or other standard ...

Page 12: ... Type Motor 0 Standard Drive 1 Oversized Motor Digit 16 Hinged Service Access Filters 0 Standard Panels Standard Filters A Hinged Access Panels Standard Filters B Standard Panels 50mm 2 Pleated Filters C Hinged Access Panels 50mm 2 Pleated Filters Digit 17 Condenser Coil Protection 0 Standard Coil 1 Standard Coil with Hail Guard 2 Epoxy Coated Condenser Coil 3 Epoxy Coated Condenser Coil with Hail...

Page 13: ... 26 1 26 DriveType No Speeds Direct 1 Direct 1 Direct 1 Direct 1 CFM 2900 5100 5200 5800 No Motors kW HP 1 0 30 0 40 1 56 0 75 1 56 0 75 1 56 0 75 Motor RPM 950 950 950 950 Belt Drive Indoor Fan Type FC Centrifugal FC Centrifugal FC Centrifugal FC Centrifugal No Used 1 1 1 1 Fan Diameter xWidth mm in 280 X 280 11 x 11 305 X 305 12 x 12 305 X 305 12 x 12 381 X 381 15 x 15 DrvieType No Speeds Belt V...

Page 14: ...heat To obtain net cooling subtract indoor fan heat 2 TGC Total Gross Capacity 3 SHC Sensible Heat Capacity Table PD 1a Gross Cooling Capacities MBH WSC060AD T IP Enter Ambient Temperature F Dry 85 95 105 115 Bulb Entering Wet Bulb Temperature F CFM Temp 61 67 73 61 67 73 61 67 73 61 67 73 Airflow F TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC 180...

Page 15: ...ain net cooling subtract indoor fan heat 2 TGC Total Gross Capacity 3 SHC Sensible Heat Capacity Table PD 2a Gross Cooling Capacities MBH WSC072AD T IP Enter Ambient Temperature F Dry 85 95 105 115 Bulb Entering Wet Bulb Temperature F CFM Temp 61 67 73 61 67 73 61 67 73 61 67 73 Airflow F TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC 2160 75 70 1 6...

Page 16: ...ling subtract indoor fan heat 2 TGC Total Gross Capacity 3 SHC Sensible Heat Capacity Table PD 3a Gross Cooling Capacities MBH WSC090AD T IP Enter Ambient Temperature F Dry 85 95 105 115 Bulb Entering Wet Bulb Temperature F CFM Temp 61 67 73 61 67 73 61 67 73 61 67 73 Airflow F TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC 2700 75 87 8 76 5 97 1 58...

Page 17: ... Gross Cooling Capacities MBH WSC120AD T IP Enter Ambient Temperature F Dry 85 95 105 115 Bulb Entering Wet Bulb Temperature F CFM Temp 61 67 73 61 67 73 61 67 73 61 67 73 Airflow F TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC TGC SHC 3600 75 107 1 91 1 121 9 71 0 128 7 47 6 99 2 87 2 115 7 67 7 125 5 45 7 91 0 83 1 107 0 67 2 120 9 43 4 80 7 80 7 97 5 63...

Page 18: ... region All heating capacities and power are at 70 outdoor relative humidity and demand defrost cycle Table PD 5a Net Heating Capacities MBH WSC060AD T at 2 000 CFM IP Integrated Heating Capacity MBh Total Power kW Outdoor At Indicated Indoor Dry BulbTemp F At Indicated Indoor Dry BulbTemp F Temp F 60 70 75 80 60 70 75 80 8 15 8 15 6 15 4 15 2 3 3 3 7 4 0 4 2 3 18 3 18 0 17 8 17 6 3 4 3 8 4 0 4 3 ...

Page 19: ... frost region All heating capacities and power are at 70 outdoor relative humidity and demand defrost cycle Table PD 6a Three Phase Net Heating Capacities MBH WSC072AD T at 2 400 CFM IP Integrated Heating Capacity MBh Total Power kW Outdoor At Indicated Indoor Dry BulbTemp F At Indicated Indoor Dry BulbTemp F Temp F 60 70 75 80 60 70 75 80 8 23 4 23 2 23 0 22 9 4 6 4 9 5 1 5 3 3 26 6 26 2 26 0 25 ...

Page 20: ...rost region All heating capacities and power are at 70 outdoor relative humidity and demand defrost cycle Table PD 7a Three Phase Net Heating Capacities MBH WSC090AD T at 3 000 CFM IP Integrated Heating Capacity MBh Total Power kW Outdoor At Indicated Indoor Dry BulbTemp F At Indicated Indoor Dry BulbTemp F Temp F 60 70 75 80 60 70 75 80 8 20 2 27 7 30 0 31 5 5 0 5 9 6 3 6 7 3 26 3 31 7 33 4 34 3 ...

Page 21: ...ost region All heating capacities and power are at 70 outdoor relative humidity and demand defrost cycle Table PD 8a Three Phase Net Heating Capacities MBH WSC120AD T at 4 000 CFM IP Integrated Heating Capacity MBh Total Power kW Outdoor At Indicated Indoor Dry BulbTemp F At Indicated Indoor Dry BulbTemp F Temp F 60 70 75 80 60 70 75 80 8 42 1 41 9 41 8 41 9 7 3 8 1 8 5 9 0 3 45 7 45 5 45 5 45 6 7...

Page 22: ...4 972 0 78 1014 0 84 1056 0 90 1094 0 97 1128 1 03 1160 1 09 1193 1 15 1225 1 20 Factory Supplied Motors In Commercial Equipment Are Definite Purpose Motors Specifically Designed And Tested To Operate Reliably And Continuously At All Cataloged Conditions Using The Full Horsepower Range Of Our Fan Motors As Shown In Our Tabular Data Will Not Result In Nuisance Tripping Or Premature Motor Failure Ou...

Page 23: ...essure Drop Due To Wet Coils And Filters 1 12 kW Fan Motor Heat kW 1 144 x Fan kW 0 132 Table PD 10a Belt Drive Evaporator Fan Performance WSC060AD T Horizontal Configuration IP External Static Pressure Inches of Water 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 1 00 CFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1 1 2 HP Standard Motor Low Static Drive 1 1 2 ...

Page 24: ... 72 832 0 79 874 0 88 914 0 96 950 1 04 985 1 12 1018 1 20 1 12 Nom kW Standard Motor Hi Static Drive Table PD 11a Belt Drive Evaporator Fan Performance WSC072AD T Downflow Configuration IP External Static Pressure Inches of Water 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 1 00 CFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1 1 2 HP Standard Motor Low Static ...

Page 25: ...ill Not Result In Nuisance Tripping Or Premature Motor Failure Our Product s Warranty Will Not Be Affected Table PD 12a Belt Drive Evaporator Fan Performance WSC072AD T Horizontal Configuration IP External Static Pressure Inches of Water 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 1 00 CFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 1 1 2 HP Standard Motor Low ...

Page 26: ...r Tabular Data Will Not Result In Nuisance Tripping Or Premature Motor Failure Our Product s Warranty Will Not Be Affected Table PD 13 Belt Drive Evaporator Fan Performance WSC090AD T Downflow Configuration SI External Static Pressure Pascals 25 50 75 100 125 150 175 200 225 250 m3 h RPM kW RPM kW RPM kW RPM kW RPM kW RPM kW RPM kW RPM kW RPM kW RPM kW 1 50 Nom kW Standard Motor Low Static Drive 1...

Page 27: ... 1 50 kW Fan Motor Heat kW 1 178 x Fan kW 0 464 2 24 kW Fan Motor Heat kW 1 138 x Fan kW 0 139 Table PD 14a Belt Drive Evaporator Fan Performance WSC090AD T Horizontal Configuration IP External Static Pressure Inches of Water 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 1 00 CFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 2 HP Standard Motor Low Static Drive 2 H...

Page 28: ...otes Data Includes Pressure Drop Due To Wet Coils And Filters 2 24 kW Fan Motor Heat kW 1 138 x Fan kW 0 139 Factory Supplied Motors In Commercial Equipment Are Definite Purpose Motors Specifically Designed And Tested To Operate Reliably And Continuously At All Cataloged Conditions Using The Full Horsepower Range Of Our Fan Motors As Shown In Our Tabular Data Will Not Result In Nuisance Tripping O...

Page 29: ...rive Notes Data Includes Pressure Drop Due To Wet Coils And Filters 2 24 kW Fan Motor Heat kW 1 138 x Fan kW 0 139 Table PD 16a Belt Drive Evaporator Fan Performance WSC0120AD T Horizontal Configuration IP External Static Pressure Inches of Water 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 1 00 CFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 3 HP Standard Motor...

Page 30: ... Drive Accessory Sheave Fan Speed RPM Unit 6 Turns 5 Turns 4 Turns 3 Turns 2 Turns 1 Turn Model No Open Open Open Open Open Open Closed WSC060AD T N A 1243 1311 1379 1450 1515 1588 WSC072AD T N A 967 1021 1075 1128 1183 1235 WSC090AD T 1020 1073 1127 1181 1235 1289 N A WSC120AD T 1062 1118 1174 1229 1285 1341 N A Factory set at 3 turns open Table PD 20 Over Sized Motor Drive Sheave Fan Speed RPM U...

Page 31: ...ith Electric Heater OA RA Dampers2 Accessory kW 3 Unit Airflow Standard Pleated Filters 100 OA 100 RA 100 OA 100 RA 7 9 10 27 37 40 Model No CFM Filters1 50 mm 2 inch Downflow Horizontal 1600 0 10 0 15 0 12 0 04 0 12 0 01 0 045 0 053 WSC060AD T 2000 0 15 0 22 0 18 0 07 0 18 0 02 0 070 0 083 2400 0 22 0 29 0 26 0 10 0 26 0 04 0 100 0 120 1920 0 04 0 07 0 10 0 01 0 06 0 02 0 021 WSC072AD T 2400 0 06...

Page 32: ... 3 13 5 33 9 40 4 2 11 3 13 10 22 5 26 9 Notes 1 Does not include indoor fan power or heat 2 Heaters are rated at 200V and 380V 415V For other than rated voltage CAP Voltage Rated Voltage 2 x Rated Cap Table PD 24a Auxiliary Electric Heat Capacity Total2 Stage 1 Stage 2 Unit Model No MBH No Stages MBH MBH 28 2 14 14 WSC060AT 41 2 20 20 55 2 34 20 26 31 2 13 16 13 16 WSC060AD 38 45 2 19 23 19 23 50...

Page 33: ...37 5 2 16 5 40 4 2 17 7 Note For minimum design airflow see performance table for each unit To calculate temp rise at differrent airflow use following formula Temp Rise C0 across Elect Htr kW x 2985 M3 H Table PD 25a AirTemperature Rise Across Electric Heaters Degrees F 5 Ton 6 Ton 7 5 Ton 10 Ton 2000 CFM 2400 CFM 3000 CFM 4000 CFM kW Stages WSC060AD T WSC072AD T WSC090AD T WSC120AD T 7 5 2 11 9 8...

Page 34: ...at Cool Service LED indicators as standard Night Setback Sensors have one 1 Occupied one 1 Unoccupied and two 2 Override programs per day Integrated Comfort System Sensor s available with optional temperature adjustment and override buttons to provide central control through aTrane Integrated Comfort system Field Installed Control Options Zone Sensors are the building occupant s comfort control de...

Page 35: ...ize Or Maximum Model No Voltage Range Ampacity Circuit Breaker1 Ampacity Circuit Breaker1 WSC060AD 342 456 18 9 25 18 9 25 WSC060AT 180 220 37 2 50 37 2 50 WSC072AD 342 456 21 9 30 22 9 30 WSC072AT 180 220 38 4 60 43 9 60 WSC090AD 342 456 24 8 35 26 5 35 WSC090AT 180 220 47 6 60 50 2 60 WSC120AD 342 456 31 2 40 31 2 40 WSC120AT 180 220 59 5 60 59 5 60 Notes 1 All units to be installed under local ...

Page 36: ...RT427A 16 9 20 2 58 69 2 63 3 66 3 70 70 WSC120AD BAYHTRT436A 22 6 26 9 78 92 2 74 0 77 9 80 80 BAYHTRT454A 33 9 40 4 116 138 2 95 5 101 4 100 110 Notes 1 All units to be installed under local codes 2 kW shown for 380V 415V Table ED 3 UnitWiringWith Electric Heat Single Point Connection 200Volts Standard Indoor Fan Motor Oversized Indoor Fan Motor Minimum Maximum Fuse Minimum Maximum Fuse Unit Hea...

Page 37: ...75 9 4 9 4 74 74 1 1 0 75 2 8 7 1 Note 1 Comp1 Comp2 Electrical Data Table ED 4 Electrical Characteristics Evaporator Fan Motor 50 Hz Standard Evaporator Fan Motor Oversized Evaporator Fan Motor Unit Amps Amps Model No No Volts Phase HP FLA LRA No Volts Phase HP FLA LRA WSC060AD 1 380 415 3 1 5 4 3 25 3 WSC060AT 1 200 3 1 5 8 1 48 0 WSC072AD 1 380 415 3 1 5 4 3 25 3 1 380 415 3 2 0 5 3 36 4 WSC072...

Page 38: ...shed and installed by the customer DISCONNECT SWITCH BY OTHERS ROOFTOP UNIT ZONE SENSOR OR THERMOSTAT Zone Sensors Typical Number Of Wires A Manual Changeover 4 Manual Auto Changeover 5 Manual Auto Changeover with Status Indication LED s 10 Programmable Night Setback with Status Indication LED s 7 Thermostats Typical Number of Wires A 3 wires 24 volts Cooling Only 4 wires 24 volts with Electric He...

Page 39: ...PKGP PRC004 EN 39 Dimensional Data All dimensions are in inches millimeters WSC060 WSC060 WSC060 Downflow Airflow Supply Return WSC060 Horizontal Airflow Supply Return ...

Page 40: ...40 PKGP PRC004 EN Dimensional Data All dimensions are in inches millimeters WSC060 Downflow Duct Connections Field Fabricated WSC060 WSC060 Unit Clearance and Roof Opening WSC060 Roof Curb ...

Page 41: ...PKGP PRC004 EN 41 Dimensional Data WSC072 120 All dimensions are in inches millimeters WSC072 and WSC090 WSC120 ...

Page 42: ...Dimensional Data WSC072 120 All dimensions are in inches millimeters WSC072 120 Downflow Airflow Supply and Return WSC072 120 Horizontal Airflow Supply and Return WSC072 120 Unit Clearance and Roof Opening Supply Return ...

Page 43: ...PKGP PRC004 EN 43 Dimensional Data WSC072 120 All dimensions are in inches millimeters WSC072 120 Roof Curb ALL FLANGES 1 1 4 31 MM WSC072 120 Downflow Duct Connections Field Fabricated ...

Page 44: ... All dimensions are in inches millimeters WSC060 Options Accessories Dimensional Data WSC060 Economizer Manual or Motorized Fresh Air Damper WSC060 Barometric Relief Damper WSC060 Swing Diameter for Hinged Doors Option ...

Page 45: ...RC004 EN 45 Dimensional Data WSC072 120 Options Accessories All dimensions are in inches millimeters WSC072 120 Economizer and Barometric Relief Damper Hoods WSC072 120 Swing Diameter for Hinged Door s Option ...

Page 46: ...1 Notes 1 Cornerweightsaregivenforinformationonly Allmodelsmustbesupportedcontinuouslybyacurborequivalentframesupport 2 Weights are approximate Table W 2 Accessory Net Weights1 2 kg Net Weights2 Accessory3 WSC060 WSC072 120 Economizer 12 16 Barometric Relief 3 5 Motorized Outside Air Damper 9 14 Manual Outside Air Damper 7 12 Roof Curb 32 52 Oversized Motor 2 4 Coil Guards 5 9 Hinged Doors 5 5 Ele...

Page 47: ...ction gas cooled and shall have a voltage utilization range of plus or minus 10 percent of unit nameplate voltage Internal overloads shall be provided with the scroll compressors Refrigerant Circuits Each refrigerant circuit shall have independent fixed orifice or thermal expansion devices service pressure ports and refrigerant line filter driers factory installed as standard An area shall be prov...

Page 48: ...ection for motors and compressors against problems caused by phase loss phase imbalance and phase reversal Phase monitor is equipped with an LED that provides an ON or FAULT indicator Remote Potentiometer The minimum position setting of the economizer shall be adjusted with this field installed accessory Reference or Comparative Enthalpy Reference or Comparative Enthalpy option shall be available ...

Page 49: ...dirty filter indication The fan failure switch will disable all unit functions and flash the Service LED on the zone sensor The dirty filter switch will light the Service LED on the zone sensor and will allow continued unit operation Reference Enthalpy Control Replaces the dry bulb control with a wet bulb changeover controller which has a fully adjustable set point Enthalpy control offers a higher...

Page 50: ...50 PKGP PRC004 EN ...

Page 51: ...PKGP PRC004 EN 51 ...

Page 52: ...fort trane com Literature Order Number File Number Supersedes Stocking Location Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice PKGP PRC004 EN PL UN 000 PKGP PRC004 EN 02 04 PL UN 000 PKGP PRC004 EN 12 03 03 03 Webb Mason 02 04 Electronic Only ...

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