Page 2 - Introduction; IntelliPak; Designed For Today and Beyond; Rooftop line the
©American Standard Inc. 2001 RT-PRC010-EN Introduction IntelliPak ® Designed For Today and Beyond Innovative technology and animpressive line-up of features make thethe Trane IntelliPak ® Rooftop line the number one choice for today and thefuture. Trane’s rooftop Unit Control Module(UCM), an innovat...
Page 3 - Contents; Model Number Description
3 Contents RT-PRC010-EN Introduction Features and Benefits Application Considerations Selection Procedure Model Number Description General Data Performance Data Performance Adjustment Factors Controls Electric Power Dimension and Weights Mechanical Specifications Options 2 4 9 16 20 22 29 28 75 83 8...
Page 5 - Features Summary
5 RT-PRC010-EN Features Summary IntelliPak® rooftop features makeinstallation and servicing easy andreliable operation a reality. Installation Ease• Factory-installed/commissioned controls —ease of start up—single twisted wire pair—communication for ICS interface—full unit points access, no field wi...
Page 7 - Fans With Inlet Guide Vanes
7 RT-PRC010-EN Features andBenefits The modular control design of the UCMallows for greater application flexibility.Customers can order exactly the optionsrequired for the job, instead of one largecontrol package. Unit features aredistributed among multiple fieldreplaceable printed circuit boards. T...
Page 8 - Scroll Compressor; Simple Design with 70% Fewer Parts
RT-PRC010-EN 8 Features andBenefits Trane 3-D ® Scroll Compressor Simple Design with 70% Fewer Parts Fewer parts than an equal capacityreciprocating compressor meanssignificant reliability and efficiencybenefits. The single orbiting scrolleliminates the need for pistons,connecting rods, wrist pins a...
Page 9 - EXHAUST AIR OPTIONS; 0 percent power exhaust.; Application Recommendations
9 RT-PRC010-EN ApplicationConsiderations EXHAUST AIR OPTIONS When is it necessary to provide buildingexhaust? Whenever an outdoor aireconomizer is used, a building generallyrequires an exhaust system. The purposeof the exhaust system is to exhaust theproper amount of air to prevent over orunderpress...
Page 10 - Figure AC-1 — Plan View of Modulating 100 Percent Exhaust System; 00 Percent Exhaust System
RT-PRC010-EN 10 ApplicationConsiderations Figure AC-1 — Plan View of Modulating 100 Percent Exhaust System 2 100 Percent Exhaust System Competitive rooftops use a return air fansystem for controlling the amount ofexhaust air during economizeroperation. The return fan is in series withthe supply fan ...
Page 11 - X, Y and Z Dimensions; Horizontal Discharge; discharge
11 RT-PRC010-EN Table AC-1 — SXHF, SFHF, SSHF, SLHF — Panel A and B Dimensions Total Area (H X W) Model H (in.) W (in.) (in. 2 ) (ft 2 ) S*HF C20 40.7 25.5 1038 7.2 S*HF C25 40.7 25.5 1038 7.2 S*HF C30 52.7 25.5 1344 9.3 S*HF C40 64.5 34.5 2225 15.5 S*HF C50 76.7 34.5 2646 18.4 S*HF C55 76.7 34.5 26...
Page 12 - Panel A and B Dimensions
RT-PRC010-EN 12 Figure AC-3 is a simplified sketchshowing which panels can be used forhorizontal supply and/or return. On 90 to130 ton units, only one side of theextended casing may be used forhorizontal supply because of thelocation of the unit control panel. Thereare, however, on SXHF models twopa...
Page 14 - • Do the clearances available allow for
RT-PRC010-EN 14 exchanger, leading to premature failure.For increased reliability, therecommendation in these applications isfull modulation gas heat. For airflowlimitations and temperature rise acrossthe heat exchanger information, seeTable PD-24, 25 and RT-EB-104. Acoustical Considerations The ide...
Page 15 - Duct Design; Figure AC-4 — Unit Placement; Proper
15 RT-PRC010-EN Duct Design It is important to note that the ratedcapacities of the rooftop can be met onlyif the rooftop is properly installed in thefield. A well-designed duct system isessential in meeting these capacities. The satisfactory distribution of airthroughout the system requires thatthe...
Page 17 - Total Btu =; Steam Heating System; Assume a 15 psig steam supply.; HEATING CAPACITY SELECTION; Heat module air temperature rise; Chart SP-1 — Fan Motor Heat
17 RT-PRC010-EN SelectionProcedure ITD = 190 F - 65.4 F = 125 F. Divide thewinter heating load by ITD = 563 MBh ÷125 F = 4.50 Q/ITD. From Table PD-31, select the low heatmodule. By interpolation, a Q/ITD of 4.50can be obtained at a gpm at 25.7. Water pressure drop at 25.7 gpm is 0.57ft. of water. He...
Page 18 - Return duct static pressure = 0.65 inches; UNIT ELECTRICAL REQUIREMENTS; The fan rpm is correct as selected.
RT-PRC010-EN 18 AIR DELIVERY PROCEDURE Supply fan performance tables includeinternal resistance of rooftop. For totalstatic pressure determination, systemexternal static must be added toappropriate component static pressuredrop (evaporator coil, filters, optionaleconomizer, optional exhaust fan,opti...
Page 19 - The rpm is correct as selected - 906 rpm.
19 RT-PRC010-EN SelectionProcedure In order to better illustrate thisprocedure, the following example isused: Consider a 60 ton rooftop unit that is todeliver 18,000 actual cfm at 3-inches totalstatic pressure (tsp), 55 F leaving airtemperature, at an elevation of 5,000 ft. 1 From Figure PAF-1, the ...
Page 22 - General Data
RT-PRC010-EN 22 General Data Table GD-1— General Data — 20-40 Tons 20 Ton 25 Ton 30 Ton 40 Ton Compressor Data 3 Number/Size (Nominal) 2/10 Ton 1/10 Ton, 1/15 Ton 2/15 Ton 4/10 Ton Model Scroll Scroll Scroll Scroll Unit Capacity Steps (%) 100/50 100/40 100/50 100/75/50/25 RPM 3450 3450 3450 3450 Eva...
Page 23 - Table GD-1— General Data — 20-40 Tons Continued
23 RT-PRC010-EN Table GD-1— General Data — 20-40 Tons Continued General Data 20 Ton 25 Ton 30 Ton 40 Ton Filters Panel Filters Number/Size (Inches) 12 — 20x20x2 12 — 20x20x2 16 — 20x20x2 16 — 20x25x2 Face Area (Ft 2 ) 33.3 33.3 44.4 55.5 Bag Filters Number/Size (Inches) 4 — 12x24x19 4 — 12x24x19 2 —...
Page 25 - Table GD-2 — General Data — 50-75 Tons Continued
25 RT-PRC010-EN Table GD-2 — General Data — 50-75 Tons Continued 50 Ton 55 Ton 60 Ton 70 Ton 75 Ton Filters Panel Filters Number/Size (Inches) 20 — 20x25x2 20 — 20x25x2 35 — 16x20x2 35 — 16x20x2 35 — 16x20x2 Face Area (Ft 2 ) 69.4 69.4 77.8 77.8 77.8 Bag Filters Number/Size (Inches) 3 — 12x24x19 3 —...
Page 27 - Table GD-3 — General Data — 90-130 Tons Continued; Table GD-4 — ARI Performance Data
27 RT-PRC010-EN Table GD-3 — General Data — 90-130 Tons Continued 90 Ton 105 Ton 115 Ton 130 Ton Filters Panel Filters Number/Size (Inches) 25-24x24x2 25-24x24x2 25-24x24x2 25-24x24x2 Face Area (Ft 2 ) 100.0 100.0 100.0 100.0 Bag Filters 3-12x24x19 3-12x24x19 3-12x24x19 3-12x24x19 Number/Size (Inche...
Page 41 - Table PD-25— Natural Gas Heating Capacities; Table PD-27 — Properties of Steam
41 RT-PRC010-EN Table PD-25— Natural Gas Heating Capacities Gas Heat Heat Air Temperature Rise Vs Unit Cfm Nominal Heat Input Output CFM Tons Module (MBh) (MBh) 28,350 30,250 32,550 34,750 37,000 39,250 41,500 43,000 46,000 90 High 1000 820 27 25 23 22 20 19 18 18 105 High 1000 820 23 22 20 19 18 18...
Page 46 - Table PD-33 — Supply Fan Performance WITH INLET VANES — 20 and 25 Tons
RT-PRC010-EN 46 PerformanceData Table PD-33 — Supply Fan Performance WITH INLET VANES — 20 and 25 Tons Cfm Total Static Pressure Std ,250 ,500 ,750 1.000 1.250 1.500 1.750 2.000 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 4000 387 .37 514 .65 621 .99 712 1.37 791 1.78 861 2.2...
Page 47 - Figure PD-2 — Supply Fan Performance WITH INLET VANES — 20 and 25 Tons
47 RT-PRC010-EN PerformanceData Note:1. Important: Maximum static pressure leaving the rooftop is 4.0” H 2 O positive. The static pressure drops from the supply fan to the space cannot exceed 4.0” H 2 O. Figure PD-2 — Supply Fan Performance WITH INLET VANES — 20 and 25 Tons (20, 25 Tons) 0.0 0.5 1.0...
Page 50 - Table PD-35 — Supply Fan Performance WITH INLET VANES — 30 Ton
RT-PRC010-EN 50 PerformanceData Table PD-35 — Supply Fan Performance WITH INLET VANES — 30 Ton Cfm Total Static Pressure Std .250 .500 .750 1.000 1.250 1.500 1.750 2.000 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 6000 327 .53 433 .93 526 1.34 607 1.83 677 2.43 7 39 3.08 794 ...
Page 51 - Figure PD-4 — Supply Fan Performance WITH INLET VANES — 30 Ton
51 RT-PRC010-EN Note:1. Important: Maximum static pressure leaving the rooftop is 4.0” H 2 O positive. The static pressure drops from the supply fan to the space cannot exceed 4.0” H 2 O. Figure PD-4 — Supply Fan Performance WITH INLET VANES — 30 Ton (30 Ton) PerformanceData 0.0 0.5 1.0 1.5 2.0 2.5 ...
Page 54 - Table PD-37 — Supply Fan Performance WITH INLET VANES — 40, 50 and 55 Ton
RT-PRC010-EN 54 Cfm Total Static Pressure Std 4.250 4.500 4.750 5.000 Air RPM BHP RPM BHP RPM BHP RPM BHP 8000 1087 14.97 1114 16.01 1141 17.07 1166 18.13 9000 1102 16.10 1131 17.24 1158 18.39 10000 1114 17.13 1143 18.36 11000 1123 18.11 1153 19.40 12000 1129 19.08 1160 20.43 13000 1134 20.08 1165 2...
Page 55 - Figure PD-6 — Supply Fan Performance WITH INLET VANES — 40, 50 and 55 Ton
55 RT-PRC010-EN Note:1. Important: Maximum static pressure leaving the rooftop is 4.0” H 2 O positive. The static pressure drops from the supply fan to the space cannot exceed 4.0” H 2 O. Figure PD-6 — Supply Fan Performance WITH INLET VANES — 40, 50 and 55 Ton (40, 50, 55 Tons) PerformanceData 0.0 ...
Page 62 - Table PD-41 — Supply Fan Performance WITH INLET GUIDE VANES — 90 Ton
RT-PRC010-EN 62 Table PD-41 — Supply Fan Performance WITH INLET GUIDE VANES — 90 Ton Cfm Total Static Pressure Std. 0.250 0.500 0.750 1.000 1.250 1.500 1.750 2.000 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 270 00 695 6.14 734 7.25 770 8.39 805 9.55 840 10.81 873 12.11 904 1...
Page 63 - Figure PD-10— Supply Fan Performance WITH INLET GUIDE VANES — 90 Ton
63 RT-PRC010-EN Table PD-41 — Supply Fan Performance WITH INLET GUIDE VANES — 90 Ton (Cont.) Cfm Total Static Pressure Std. 6.250 6.500 6.750 7.000 7.250 7.500 7.750 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 270 00 1416 43.47 1440 45.34 1467 47.44 1492 49.40 1516 51.32 1540 53.35 1...
Page 71 - Table PD-48 — 20-75 Tons — Modulating 100% Exhaust Fan Performance
71 RT-PRC010-EN Cfm Negative Static Pressure Nominal Std 0.250 0.500 0.750 1.000 1.250 1.500 1.750 2.000 2.250 2.500 Tons Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 90-130 28000 516 11.42 551 12.41 586 13.70 622 15.25 657 16.71 690 18.16 723 19.90 754 21.74 7...
Page 74 - Table PD-54— 50% Exhaust Fan Drive Selections
RT-PRC010-EN 74 Table PD-54— 50% Exhaust Fan Drive Selections Nominal 1½ HP 3 HP 5 HP 7½ HP 15 HP Unit Size RPM Drive No RPM Drive No RPM Drive No RPM Drive No RPM Drive No 500 5 700 7 20 600 6 800 8 700 7 900 9 800 8 500 5 700 7 25 600 6 800 8 700 7 900 9 800 8 600 6 800 8 30 700 7 900 9 800 8 1000...
Page 75 - Controls; VAV Units Only; Sequence Of Operation
75 RT-PRC010-EN Controls VAV Units Only Sequence Of Operation NOTE: When noted in this sequence“Human Interface Panel,” the reference isto both the unit mounted and remotemounted Human Interface Panel. Allsetpoint adjustments can beaccomplished at the unit or RemoteHuman Interface Panel. 1 Supply Ai...
Page 76 - - beginning reset temperature
RT-PRC010-EN 76 Controls temperature deadband low end, theheating valve is modulated open tomaintain the set minimum supply airtemperature. 3 Zone Temperature Control Unoccupied Zone Heating and Cooling During Unoccupied mode, the unit isoperated as a CV unit. Inlet guide vanesand VAV boxes are driv...
Page 77 - CV Units Only
77 RT-PRC010-EN Controls CV Units Only Sequence Of Operation 1 Occupied Zone Temperature Control Cooling/Economizer During Occupied cooling mode, theeconomizer (if provided) and mechanicalcooling are used to control zonetemperature. If the enthalpy of outsideair is appropriate to use “free cooling”,...
Page 79 - Space Pressure Control — StatitracTM; Deenergized; PRESSURIZE sequence “B”
79 RT-PRC010-EN Controls Control Sequences ofOperation Common to BothVAV and CV Units 1 Space Pressure Control — Statitrac™ A pressure transducer is used tomeasure and report direct space(building) static pressure. The user-defined control parameters used in thiscontrol scheme are space static press...
Page 80 - EXHAUST sequence “C”; PURGE sequence “D”; Energized; PURGE with duct pressure control “E”; Energized
RT-PRC010-EN 80 guide vanes open and the exhaust fanshould be turned off.- Supply fan - On.- Supply fan VFD - On (60 Hz) (if equipped) - Inlet guide vanes/VAV boxes - Open (if equipped).- Exhaust fan - Off, exhaust dampers - Closed (if equipped). - Exhaust fan VFD - Off (0 Hz) (if equipped) - Outsid...
Page 83 - Electrical Service Sizing; Set 2. Rooftop units with Electric Heat; For units using heaters less than 50 kw.
83 RT-PRC010-EN ElectricalData Electrical Service Sizing To correctly size electrical servicewiring for your unit, find theappropriate calculations listed below.Each type of unit has its own set ofcalculations for MCA (Minimum CircuitAmpacity), MOP (MaximumOvercurrent Protection), and RDE(Recommende...
Page 86 - Figure DD-1 — 20-75 Ton Cooling Only Unit Dimensions — SAHF
RT-PRC010-EN 86 DimensionalData Figure DD-1 — 20-75 Ton Cooling Only Unit Dimensions — SAHF Table DD-1 — Cooling Only Unit Dimensions (Ft. In.) — SAHF Nominal Tons H L W A B C D E F G J K M N P Q R S U 20 & 25 5-8 15 / 16 21-9 3 / 4 7-6 1 / 2 6-4 3 / 16 5-3 1 / 8 0-9 1 / 2 1-3 5 / 8 1-7 9 / 16 1...
Page 87 - Figure DD-1 — 20-75 Ton Cooling Only Unit Dimensions — SAHF Continued
87 RT-PRC010-EN DETAIL “B” COVERS 40, 60, 70 AND 75 TON UNITS DETAIL “A” COVERS 20, 25, 30, 50 AND 55 TON UNITS DimensionalData (20 - 75 Tons) Figure DD-1 — 20-75 Ton Cooling Only Unit Dimensions — SAHF Continued
Page 90 - Figure DD-5 — 90 - 130 Tons — Service Clearance
RT-PRC010-EN 90 Notes:1. Provide unrestricted clearance over the condenser fans. 2. A minimum clearance of 2’ 4-1/2” is required to open the hinged control panel doors. Both doors swing outward in a 180-degree arc. 3. A minimum clearance of 2’ 10-3’4” is required to open the access doors on the unit...
Page 91 - Figure DD-6 — 90 - 130 Ton Roof Curb Dimensions
91 RT-PRC010-EN Figure DD-6 — 90 - 130 Ton Roof Curb Dimensions Cross Section ThruRoof Curb and base pan DimensionalData (90 - 130 Tons) SECTION B-B
Page 92 - SINGLE SETPOINT SENSOR WITH SYSTEM FUNCTION LIGHTS (BAYSENS021*); Field Installed Sensors
RT-PRC010-EN 92 Note:1. Remote sensors are available for use with all zone sensors to provide remote sensing capabilities. SINGLE SETPOINT SENSOR WITH SYSTEM FUNCTION LIGHTS (BAYSENS021*) PROGRAMMABLE NIGHT-SETBACK SENSOR (BAYSENS020*) DimensionalData Field Installed Sensors (Variable AirVolume VAV)
Page 94 - Integrated ComfortTM System Sensors
RT-PRC010-EN 94 Dimensional (CV and VAV) Data Note:1. Remote sensors are available for use with all zone sensors to provide remote sensing capabilities. REMOTE MINIMUM POSITION POTENTIOMETER CONTROL (BAYSTAT023*) TEMPERATURE SENSOR (BAYSENS016*) ZONE TEMPERATURE SENSOR W/TIMED OVERRIDE BUTTONAND LOC...
Page 95 - Weights
95 RT-PRC010-EN Weights Table W-1 — Approximate Operating Weights (Lbs./Kg) Rooftops Without Exhaust Fans Rooftops With Exhaust Fans Roof Curb Nominal All Heating Tons SA SX SE SF SL/SS SA SX SE SF SL/SS SA Units & SXHF/G 20 Lb. 4000 4220 4330 4620 4330 4360 4580 4690 4970 4690 490 510 Kg 1814 1...
Page 96 - Options
RT-PRC010-EN 96 Options A full range of factory-installed modularoptions are available on standard shipcycles, allowing your rooftop design tobest suit each individual application. Cooling Only/Heating Casings• Cooling Only — Two casing choices are available, one designed for high airsideefficiency ...
Page 98 - Field Installed Accessories
RT-PRC010-EN 98 the infrequent user when makingdesired changes and an attractivehinged door makes the RHI verysuitable for mounting on any wall. TheRHI can be mounted inside a building,up to 5,000 feet from the unit. The RHIis wired to the IPCB mounted in therooftop with twisted wire paircommunicati...
Page 99 - General; Casing; REFRIGERATION SYSTEM; Compressors; Scroll compressors have a; Evaporator Coil
99 RT-PRC010-EN General Units shall be specifically designed foroutdoor rooftop installation on a roofcurb and be completely factoryassembled and tested, piped, internallywired, fully charged with R-22,compressor oil and shipped in one piece.Units shall be available for directexpansion cooling only,...
Page 100 - AIR HANDLING SYSTEM; Supply Fan
RT-PRC010-EN 100 Direct field wiring to the I/O boards is notacceptable. The microprocessor’s memory shall benon-volatile EEPROM type requiring nobattery or capacitive backup, whilemaintaining all data. 2 Zone sensors shall be available inseveral combinations with selectablefeatures depending on sen...
Page 103 - Heating System; Electric heating option; Accessories; Roof Mounting Curb
103 RT-PRC010-EN MechanicalSpecifications Heating System Electric heating option All electric heat models shall becompletely assembled and have wiredelectric heating system integral withinthe rooftop unit. Heavy duty nickelchromium elements internally wiredwith a maximum density of 40 watts persquar...
