Trane RT-PRC031-EN manuale d’uso

Roof t op Air Handlers Nov ember 20 07 RT - P RC 0 31 - E N Int elliP ak™ II Air Handlers Casing A -C, 160 0 0-450 0 0 CFM—60 Hz[...]

Intr oduction ©20 07 T rane RT -PRC031-EN Int elliP ak™ II Roof t op Air Handlers Designed F or T oda y , T omor r o w and Be y ond Built on the legacy of T rane's industry leading IntelliPak, the IntelliPak II Air Handler platform is de signed for the future. Expanded features and benefits, co ntrols enhancem ents and world c lass energy e[...]

RT -PRC031 -EN 3 F eat ures and Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Controls V ariable Air V olume (V A V) Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 Controls Constant V olume (CV) Only . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

4 RT -PRC031-EN Standar d Feat ur es • 1600 0-450 0 0 CFM (Casings A, B, C) industrial/ commercial Ro ofto p Air Handlers • ASHRAE 90.1 - 20 1 0 Efficiency Compliant • IBC (International Buil ding Code) Seism ic compliance • UL and CSA approval on standard options Contr ols • Ful ly integrated, factory installed/commissioned microelectron[...]

RT -PRC031 -EN 5 Features and Benefits Optional Feat ur es Contr ols • Demand control ventilation (energy saving CO 2 economizer control) • T winning of up to four units for applications on co mmon supply and return ducts • V ariable frequency dri ve (VFD) control of supply/ex haust/return fan motor • Inlet guide va nes on airfoil supply fa[...]

6 RT -PRC031-EN Features and Benefits Field Installed A ccessor ies • Roof curbs • Wireless zone sensor • Programmable sensor s with night setbac k—CV and V A V • Sensors without night setbac k— CV and V A V • Remote z one sensors—used for remote sensing with remote panels • ICS zone sensors used with T racer™ system for z one c[...]

RT -PRC031 -EN 7 Features and Benefits Application Flexibility • Chilled w ater or no coo ling alternatives • A variety of c hilled water coil offerings to meet a diverse range of capacity requirements • Multiple downfl ow and horizontal air path options • An ar ray of heating options are available, incl uding Electric, Natural Gas, Steam a[...]

8 RT -PRC031-EN Features and Benefits pac k ages to mi nimize custom programming requirem ents and enable system se tup and control through simpl e editing of parameter s in the standard applications softw are. When selecting an Integrated Comfort system for a facility , the accountability for equipment, automation and cont rols is T r ane's, [...]

RT -PRC031 -EN 9 Features and Benefits 2. interface with T rane T racer™ building manageme nt system 3. interface with a generic (non- T rane) bu ilding management system. All setup parameters are preset from the factory , requiring less star t-up time duri ng installation. The unit mounted Human In terface and the Remote Human Interface P anels&[...]

10 RT -PRC031-EN Features and Benefits Supply F ans with Inlet Guide Va n e s T rane airfoil fans with inlet guide vanes pre-rotate the air in the direction of the fan wheel, decreasing static pressure and horsepower , essentially unloadin g the fan wheel. The unload ing c haracteristics result in superior par t load performance. V ar iable F r equ[...]

RT -PRC031 -EN 11 V A V Units Only Note: When noted in th is sequence “Human Interface P anel, ” the reference is to both the unit mounted and remo te mounted Human Interface P anel. All setpoint adjustments can be accomplished at the unit or Remote Human Interface Pa ne l. Supply Air Pr essure Contr ol Inlet Guide V anes Contr ol Inlet guide v[...]

12 RT -PRC031-EN Controls Variable Ai r Volume (VAV) Only temperature from se tpoint, i.e., the fur ther away from se tpoint, the faster the fresh air damper will open. Note : The economiz er is only allowed to functio n freely if one of the following conditions is met. F or dry bulb economiz er control the ambient temperature must be below the dry[...]

RT -PRC031 -EN 13 Controls Variable Ai r Volume (VAV) Only overheat. The supply air temperature setpoint is adjust ed based on the temperature of the critical zone(s). This can ha ve the effect of improving comfor t and/or lowering energ y usage. The user -defined parameters are the same as for outdoor air rese t. See Figure 1 2, p. 1 2 Supply Air [...]

14 RT -PRC031-EN CV Units Only Occupied Zone T emper atur e Control Cooling/Economiz er During Occup ied cooling mode, t he economiz er (if provided) an d mec hanical cooling a re used to control zon e temperature. The zone temperature cooling setpoint is user - defined at the Human Interface Panel or from the BAS/Network. If the condi tions of out[...]

RT -PRC031 -EN 15 Controls Constant Volume (CV) Only Electr ic Heating The individual stages of electric heat will be sequenced on the z one demand. The number of available stages will depend on the unit s ize and heat capacity selected. Hot W ater or Steam Heating Upon a call for heat, t he UCM will send a varying voltage signal to the valve actua[...]

16 RT -PRC031-EN Common to V A V and CV Units S p a ce P re s s ure C o n t ro l - Statitr ac™ A pressure transdu cer is used to measure an d repor t direct space (building) static pressure. The user - defined contro l parameters used i n this control sc heme are space static pressure setpoint , space pressure deadband and exhaust enable point. A[...]

RT -PRC031 -EN 17 Controls VAV and CV – Return VFD - Max (if so equipped) 4. EMERG_SHUTDO WN: – Supply F an - Of f – Supply F an IGV / Su pply Fan VFD - Closed/Min (if so equipped) – Exhaust Fan - Off; Exhaust Dampers Closed (if so equipped) – O A Da mpers - Closed; Return Damper - Open – Heat - All he at stages of f; Mod Heat output at[...]

18 RT -PRC031-EN Controls VAV and CV – Supply F an IGV/ Supply F an VFD - Max (if so equipped ) – Exhaust Fa n - On; Exhaust Dampers Open (if so equipped) – O A Dampe rs - Open; Return Damper - Closed – Heat - All he at stages of f; Mod Heat output at 0 vdc – Occupied/Unoccupied/V A V box output - Energized – V OM R elay - Energiz ed ?[...]

RT -PRC031 -EN 19 Controls VAV and CV 8. Supply Air Static Pressure Setpoint 9. Minimum Ou tside Air Flow Setpoint 1 0. Morning W arm Up Setpoint 1 1 . Economiz er Dry Bulb Enable Setpoint 12. Supply Air R eheat S etpoint 13. Minim um Outside Air Position Setpoint 1 4. Occupied Dehumidificatio n Setpoint 15. Unoccupied Dehumi dification Setpoint 16[...]

20 RT -PRC031-EN Controls VAV and CV function and the supp ly fan. The air handler unit will cycl e through the evening as heat ing/coo ling (if enabled) is requ ir ed in the space. When the tim e cloc k switc hes from night setbac k to o ccupied mode, all heating/cooling fun ctions begin normal operation. When using the n ight setbac k options wit[...]

RT -PRC031 -EN 21 Controls VAV and CV If there is a call for economiz er cooling, the outdoo r air damper may be opened furthe r to satisfy the cooling request. If the space CO 2 level is greater than the CO 2 Minimum S etpoint an d less than the CO 2 Design S etpoint, the outdoor air damper position is (or O A flow) modulated prop or tionally to t[...]

22 RT -PRC031-EN Exhaust/Retur n F an Options When is it necessary to provide building exhaust? Whenever an outdoor air econ omizer i s used, a building generall y requires an exhaust system. The purpose of the exhaust system is to exhaust the proper amount of air to prevent over or under -pressurization of the building . The goal is to exhaust app[...]

RT -PRC031 -EN 23 Applications Considerations The T rane 1 0 0 percent modulating exhaust system with Statitrac provides ef ficient control of buildin g pressure in most applications simply because 1 0 0 percent modulating exhaust disc harge damper s (or VFD) are controlled di rectly from building pressure, rather than from an indire ct indicator o[...]

24 RT -PRC031-EN Applications Considerations T able 1 Supply Airf low Co nfigur ation Cabinet Configuration Supply Airflow Discharge Direction Type Acceptable Application With Bag Final Filters With Cartrid ge Final Filters With HEPA Final Filters Standar d Length Downflow - Standard Opt ion C oo ling Only Y es No No No Standard Length Horizontal -[...]

RT -PRC031 -EN 25 Applications Considerations When using an IntelliP ak II Air Handler for horizontal supply an d/or return, an additional pressure drop must be added to the supply external static to account for the 90 degree turn the air is makin g. This additiona l pressure drop depends on airflow and air handler siz e, but a range of 0.1 0 inc h[...]

26 RT -PRC031-EN Applications Considerations will help reduce soun d transmission. The ASHRAE publication "A Practical Guide to Noise and V ibration Control for HV AC Systems" also pro v ides valuable i nformation. There are several other sources of unit sound, i.e., supply fan, ex haust/ return fans, and aerody namic noise generated at t[...]

RT -PRC031 -EN 27 Applications Considerations Duct Design It is impor tant to note that the rated capacities of the ai r handler can be met only if the air handler is properly installed in the field. A well-designed duct system is essential in m eeting these capacities. The satisfactory distribu tion of air throughout the syst em requires that ther[...]

28 RT -PRC031-EN This section outlines a step-by -step procedure that may be used to select a T rane air handler . The sample selection is based on the following conditions: Summer Design: • Summer outdoo r design conditions - 95 DB/7 6 WB ambient temperature • Summer ro om design conditions -78 DB/65 WB • T otal cooling load - 980 MBH (81 . [...]

RT -PRC031 -EN 29 Selection Procedure at 95°F is approximatly 1336 MBH total coolin g and 969 MBH sensible cooling capacity . Step 6 - Det er mine Leaving Air T emper atur e Unit sensible heat capacity cor rected for supply air fan motor heat = 969 MBH S ensible - 1 09.0 MBH Motor Heat = 860 MBH. Supply air dry bulb tem perature difference = Sensi[...]

30 RT -PRC031-EN Selection Procedure Exhaust F an Motor Sizing The exhaust/r eturn fan is selected based on total return system nega tive static pressur e and exhau st fan CFM. Return system neg ative static includes return duct static, and any other job site applicable static pressure drop. Return duct static pressure = 0.30 inc hes. T otal return[...]

RT -PRC031 -EN 31 DIGIT 1 — UNIT T YPE W Self-Contained (P ackaged Air Handler) DIGIT 2 — UNIT FUNCTI ON E Electric Heat F Natural Gas H eat LH o t W a t e r H e a t S Steam He at X No Heat DIGIT 3 — S Y STEM TY PE H Single Zone DIGIT 4 — DEVEL OPMENT SEQUENCE CT h i r d DIGIT 5 — UNIT SIZE A 16,00 0 - 31,0 0 0 CFM B 20,0 0 0 - 38,0 0 0 C[...]

32 RT -PRC031-EN Model Number Description A Return w/o Statitrac CV Only C Return w/ VFD w/ Bypass w/ Statitrac E Return w/ VFD w/o Bypass w/ Statitrac DIGIT 18 — EXHA UST/RETURN F AN MO T OR SELECTION 0N o n e D 7 .5 Hp E1 0 H p F1 5 H p G2 0 H p H2 5 H p J3 0 H p K4 0 H p L5 0 H p M6 0 H p DIGIT 19 — EXHA UST/RETURN RPM SELECTION 0N o n e 33 [...]

RT -PRC031 -EN 33 Model Number Description DIGIT 37 — SER VICE ENHANCEMENTS 0 Single Side Access Door s A Dual Side Access Doors B Single Side Access Door s / Marine Lights C Dual Side Access Doors / Marine Lights DIGIT 38 — BEL T GU ARDS/ BURGLAR BARS/MARINE LIGHTS 0N o n e 1 Belt Guards 2B u r g l a r B a r s 3 Belt Gu ards / Burglar Bars[...]

34 RT -PRC031-EN T able 3 General D ata (All dimensions in inches) Casing A Casing B Casing C Supply Fans Std CFM Number/Size/T ype Number of Motors HP Range CFM Range/CFM at Max SP T otal SP R ange-(In. WG) 1/25/ DW AF 1 15 - 50 16000-31000/22000 7.5 1/32/ DW AF 1 15 - 60 20000-38000/32000 7.5 1 / 36 DW AF 1 15 - 75 23000-45000/40000 7.5 Exhaust F[...]

RT -PRC031 -EN 35 General Data Filters Standard 2" High Efficien cy Throwaway Filters Number/Size Fa c e a r e a (F t 2 ) 21 - 20X24X2 5 - 12X24X2 80 21 - 20X24X2 5 - 12X24X2 80 21 - 20X24X2 5 - 12X24X2 80 90-95% Bag Filters w/Prefilters Number/Size Fa c e a r e a (F t 2 ) 21 - 20X24X19 5 - 12X24X19 80 21 - 20X24X19 5 - 12X24X19 80 21 - 20X24X[...]

36 RT -PRC031-EN General Data T able 4 Gas Heat Inputs/Input Ranges TWO-STAGE G AS HEAT Standard Gas Heat Input (MBH) Low Gas Heat Inputs (MBH) High Fire Heat Input (MBH) Modulat ing Gas Heat Range (MBH) 850 425 850 85-850 1100 550 1100 55-1100 1800 900 1800 90-1800 T able 5 Economiz er Outdoor Air D amper Le akag e (at rat ed airflow) (i) (i) Leak[...]

RT -PRC031 -EN 37 T able 6 Enthalpy of Sat ur ated Air Wet Bulb Temperature Btu per Pound 41 15.70 43 16.66 42 16.17 43 16.66 44 17.15 45 17.65 46 18.16 47 18.68 48 19.21 49 19.75 50 20.30 51 20.86 52 21.44 53 22.02 54 22.62 55 23.22 56 23.84 57 24.48 58 25.12 59 25.78 60 26.46 61 27.15 62 27.85 63 28.57 64 29.31 65 30.06 66 30.83 67 31.62 68 32.42[...]

38 RT -PRC031-EN T able 9 Chilled W ater Coil Capacities—2 Ro w 5W Entering Dry Bulb/Wet Bulb 80/67 F Entering Water 45 F Water Temperature Rise F 10 F Without Turbulators With Turbulators Air Flow CFM FPF Total capacity (MBH) Sensible capacity (MBH) Leaving DB (F) Leaving WB (F) Water Flow GPM Water PD (ft H 2 O) Total Capacity (MBH) Sensible Ca[...]

RT -PRC031 -EN 39 Performance Data—Chilled Water Coil Capacities T able 1 0 C hilled W ater Coil Capacities—4 Row W Entering Dry Bulb/Wet Bulb 80/67 F Entering Water 45 F Water Temperature Rise F 10 F Without Turbulators With Turbulators Air Flow CFM FPF Total capacity (MBH) Sensible capacity (MBH) Leaving DB (F) Leaving WB (F) Water Flow GPM W[...]

40 RT -PRC031-EN Performance Data—Chilled Water Coil Capacities T able 1 1 Chilled W ater Coil Capacities—6 Row WD Entering Dry Bulb/Wet Bulb 80/67 F Entering Water 45 F Water Temperature Rise F 10 F Without Turbulators With Turbulators Air Flow CFM FPF Total capacity (MBH) Sensible capacity (MBH) Leaving DB (F) Leaving WB (F) Water Flow GPM Wa[...]

RT -PRC031 -EN 41 Performance Data—Chilled Water Coil Capacities T able 12 Chilled W ater Coil Capacities—8 Row WD Entering Dry Bulb/Wet Bulb 80/67 F Entering Water 45 F Water Temperature Rise F 10 F Without Turbulators With Turbulators Air Flow CFM FPF Total capacity (MBH) Sensible capacity (MBH) Leaving DB (F) Leaving WB (F) Water Flow GPM Wa[...]

42 RT -PRC031-EN T able 13 Supply F an P erfor mance ST AND ARD CFM — Casing A (25") CFM Total Static Pressure Std. 0.25 0.50 0.75 1. 00 1.25 1.50 1.75 2.0 0 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP R PM BHP RPM BHP 16000 1030 (i) 6.16 1062 6.81 1095 7.52 1126 8.14 1152 8.58 1177 9.05 1205 9.67 1234 10.38 17000 1090 7.30 1121 7.99[...]

RT -PRC031 -EN 43 Performance Data — Supply Fan without Inlet Guide Vanes (with or without Variable Frequency Drive) CFM Total Static Pressure Std. 6.25 6.50 6.75 7. 00 7.25 7.50 7.75 8.0 0 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP R PM BHP RPM BHP 16000 1644 23.14 1665 23.93 1687 24.77 1710 25.65 1733 26.56 1754 27.40 1776 28.28 1798 2[...]

44 RT -PRC031-EN Performance Data — Supply Fan without Inlet Guide Vanes (with or without Variable Frequency Drive) T able 14 Supply F an P erfor mance ST AND ARD CFM — Casing A (25") 0 5000 10000 15000 20000 25000 30000 35000 0 1 2 3 4 5 6 7 8 9 10 11 12 1 0 % W O C F M 2 0 % W O C FM 3 0 % W O C F M 4 0 % W O C F M 5 0 % W O C F M 9 0 % [...]

RT -PRC031 -EN 45 Performance Data — Supply Fan without Inlet Guide Vanes (with or without Variable Frequency Drive) T able 15 Supply F an P erfor manc e ST AND ARD CFM —Casing B (32") CFM Total Static Pressure Std. 0.25 0.50 0.75 1. 00 1.25 1.50 1.75 2.0 0 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP R PM BHP RPM BHP 23000 752 (i) [...]

46 RT -PRC031-EN Performance Data — Supply Fan without Inlet Guide Vanes (with or without Variable Frequency Drive) CFM Total Static Pressure Std. 4.25 4.50 4.75 5. 00 5.25 5.50 5.75 6.0 0 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP R PM BHP RPM BHP 23000 1117 23.23 1138 24.39 1157 25.52 1177 26.71 1197 27.85 1216 29.06 1237 30.34 1255 31[...]

RT -PRC031 -EN 47 Performance Data — Supply Fan without Inlet Guide Vanes (with or without Variable Frequency Drive) T able 16 Supply F an P erfor mance ST AND ARD CFM—Casing B (32") 0 5000 10000 15000 20000 25000 30000 35000 40000 45000 50000 55000 0 1 2 3 4 5 6 7 8 9 10 11 12 1 0 % W O C F M 2 0 % W O C F M 3 0 % W O C F M 4 0 % W O C F [...]

48 RT -PRC031-EN Performance Data — Supply Fan without Inlet Guide Vanes (with or without Variable Frequency Drive) T able 1 7 Supply F an Perf orma nce ST AND A RD CFM — Casing C (36") CFM Total Static Pressure Std. 0.25 0.50 0.75 1. 00 1.25 1.50 1.75 2.0 0 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP R PM BHP RPM BHP 23000 553 (i)[...]

RT -PRC031 -EN 49 Performance Data — Supply Fan without Inlet Guide Vanes (with or without Variable Frequency Drive) CFM Total Static Pressure Std. 4.25 4.50 4.75 5. 00 5.25 5.50 5.75 6.0 0 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP R PM BHP RPM BHP 23000 934 22.77 955 24.09 976 25.44 998 26.89 1019 28.31 1043 29.91 1066 31.45 1090 33.09[...]

50 RT -PRC031-EN Performance Data — Supply Fan without Inlet Guide Vanes (with or without Variable Frequency Drive) CFM Total Static Pressure Std. 8.25 8.50 Air RPM BHP RP M BHP 23000 1275 47.06 1294 48.70 24000 1276 48.66 1296 50.45 25000 1276 50.25 1296 52.02 26000 1276 51.80 1296 53.57 27000 1277 53.29 1295 55.06 28000 1277 54.70 1295 56.48 29[...]

RT -PRC031 -EN 51 T able 18 Supply F an P erfor mance ST AND ARD CFM — Casing A (25") CFM Total Static Pressure Std. 0.25 0.50 0.75 1. 00 1.25 1.50 1.75 2.0 0 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RP M BHP RPM BHP 16000 1064 (i) 7.01 1095 7.69 1125 8.35 1154 9.02 1183 9.69 1211 10.38 1240 11.10 1267 11.80 17000 1127 8.31 1157 9[...]

52 RT -PRC031-EN Performance Data — Supply Fan with Inlet Guide Vanes CFM Total Static Pressure Std. 6.25 6.50 6.75 7. 00 7.25 7.50 7.75 8.0 0 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RP M BHP RPM BHP 16000 1657 24.15 1678 24.95 1697 25.68 1719 26.55 1739 27.34 1760 28.16 1780 28.98 1803 29.88 17000 1694 26.21 1715 27.05 1736 27.92 175[...]

RT -PRC031 -EN 53 Performance Data — Supply Fan with Inlet Guide Vanes Figur e 20. Supply F an Perf ormance ST AND ARD CFM—Casing A (25") 0 5000 10000 1500 0 20000 2500 0 30000 3500 0 0 1 2 3 4 5 6 7 8 9 10 11 12 9 0 % W O C F M 8 0 % W O C F M 7 0 % W O C F M 5 0 B H P 2000 RPM 1900 RPM 6 0 % W O C F M 5 0 % W O C F M 4 0 % W O C F M 3 0 [...]

54 RT -PRC031-EN Performance Data — Supply Fan with Inlet Guide Vanes T able 19 Supply F an P erfor mance ST AND ARD CFM — Casing B (32") CFM Total Static Pressure Std. 0.25 0.50 0.75 1. 00 1.25 1.50 1.75 2.0 0 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RP M BHP RPM BHP 20000 683 (i) 5.82 713 6.66 742 7.48 771 8.35 799 9.25 826 10[...]

RT -PRC031 -EN 55 Performance Data — Supply Fan with Inlet Guide Vanes CFM Total Static Pressure Std. 4.25 4.50 4.75 5. 00 5.25 5.50 5.75 6.0 0 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RP M BHP RPM BHP 20000 1072 20.24 1093 21.23 1114 22.28 1136 23.36 1158 24.48 1181 25.62 1204 26.81 1229 28.07 21000 1091 21.58 1112 22.67 1132 23.72 11[...]

56 RT -PRC031-EN Performance Data — Supply Fan with Inlet Guide Vanes Figur e 21 . Supply F an P erfor mance S T ANDARD CFM—Ca sing B (32") 0 5000 10000 15000 20000 25000 30000 35000 40000 45000 50000 0 1 2 3 4 5 6 7 8 9 10 11 12 9 0 % W O C F M 8 0 % W O C F M 7 0 % W O C F M 6 0 B H P 5 0 B H P 1600 RPM 6 0 % W O CF M 5 0 % W O C F M 4 0[...]

RT -PRC031 -EN 57 Performance Data — Supply Fan with Inlet Guide Vanes T able 20 Supply F an P erfor mance ST AND ARD CFM — Casing C (36") CFM Total Static Pressure Std. 0.25 0.50 0.75 1. 00 1.25 1.50 1.75 2.0 0 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RP M BHP RPM BHP 23000 559 (i) 5.72 588 6.67 616 7.65 644 8.66 670 9.68 694 1[...]

58 RT -PRC031-EN Performance Data — Supply Fan with Inlet Guide Vanes CFM Total Static Pressure Std. 4.25 4.50 4.75 5. 00 5.25 5.50 5.75 6.0 0 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RP M BHP RPM BHP 23000 929 22.80 952 24.15 975 25.48 998 26.90 1021 28.30 1045 29.80 1067 31.28 1089 32.76 24000 939 23.96 960 25.28 980 26.55 1003 28.01[...]

RT -PRC031 -EN 59 Performance Data — Supply Fan with Inlet Guide Vanes CFM Total Static Pressure Std. 8.25 8.50 Air RPM BHP RP M BHP 27000 1276 52.75 1294 54.50 28000 1279 54.48 1297 56.19 29000 1280 56.01 1299 57.96 30000 1283 57.73 1302 59.69 31000 1288 59.61 1304 61.36 32000 1295 61.65 1311 63.45 33000 1303 63.72 1318 65.44 34000 1315 66.15 13[...]

60 RT -PRC031-EN T able 21 Exhaust F an Perf or mance L O W CFM—Case B , ST AND ARD CFM—Case A (25" F an) CFM Negative Static Pressure Std. 0.25 0.50 0.75 1. 00 1.25 1.50 1.75 2.0 0 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RP M BHP RPM BHP 10000 260 (i) (i) Outlined area in dicates nonstandard BHP or R PM selections. Contact a l[...]

RT -PRC031 -EN 61 Performance Data—Exhaust Fan Figur e 23. Exhaust F an Perf ormance L OW CF M—Case B, S T AND ARD CFM—Case A (25" F an) 0 5000 10000 15000 20000 25000 30000 0 1 2 3 4 5 9 0 % W O C F M 8 0 % W O C F M 7 0 % W O C F M 6 0 % W O CF M 5 0 % WO C F M 4 0 % W O C F M 3 0 % W O C F M 2 0 % W O C F M 1 0 % W O C F M 30 BHP 25 B[...]

62 RT -PRC031-EN Performance Data—Exhaust Fan T able 22 Exhaust F an Perf or mance L O W CFM—Case C; S T ANDARD CFM — Case B (28" F an) CFM Negative Static Pressure Std. 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 Air RPM BHP RPM BHP RPM BHP RPM BHP RP M BHP RPM BHP RPM BHP RPM BHP 13000 237 (i) (i) Outlined area indicates n onstandard BHP o[...]

RT -PRC031 -EN 63 Performance Data—Exhaust Fan Figur e 24. Exhaust F an P erf or mance L OW CFM— Case C; S T ANDARD CFM—Case B (28" F an) 0 5000 10000 15000 200 00 25000 30000 35000 40000 4 5000 0 1 2 3 4 5 9 0 % W O C F M 8 0 % W O C F M 5 0 B H P 7 0 % W O C F M 6 0 % WOCFM 5 0 % W O C F M 4 0 % W O C F M 3 0 % W O C F M 2 0 % W O C F [...]

64 RT -PRC031-EN Performance Data—Exhaust Fan T able 23 Exhaust F an Perf or mance ST AND ARD CFM—Case C (32" F an) CFM Negative Static Pressure Std. 0.25 0.50 0.75 1. 00 1.25 1.50 1.75 2.0 0 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RP M BHP RPM BHP 23000 272 (i) (i) Outlined area in dicates nonstandard BHP or R PM selections. C[...]

RT -PRC031 -EN 65 Performance Data—Exhaust Fan T able 24 Exhaust F an Perf or mance ST AND ARD CFM—Case C (32" F an) 0 5000 10000 15000 20000 25000 30000 35 000 40000 45000 50000 55000 0 1 2 3 4 5 9 0 % W O C F M 8 0 % W O C F M 7 0 % WOCFM 6 0 B H P 6 0 % W O C F M 5 0 B H P 4 0 B H P 3 0 B H P 2 5 B H P 2 0 B H P 1 5 B H P 1 0 B H P 6 0 [...]

66 RT -PRC031-EN T able 25 Retur n Fan P erfor mance ST ANDARD CFM—Case A (36.5" F an) CFM Negative Static Pressure Std. 0.25 0.50 0.75 1. 00 1.25 1.50 1.75 2.0 0 Air RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RP M BHP RPM BHP 16000 614 (i) (i) Outlined area in dicates nonstandard BHP or R PM selections. Contact a local Trane represen t[...]

RT -PRC031 -EN 67 Performance Data—Return Fan Figur e 25. Retur n F an P erf or mance ST AND ARD CFM—Case A (36.5" F an) 0 5000 10000 15000 20000 25000 30000 35000 40000 0 1 2 3 4 5 6 7 8 9 10 9 0 % W O C F M 8 0 % W O C F M 7 0% W O C F M 4 0 B H P 1 4 0 0 R P M 6 0 % W O C F M 5 0 % W O C F M 4 0 % W O C F M 3 0 % W O C F M 2 0 % W O C F[...]

68 RT -PRC031-EN Performance Data—Return Fan T able 26 Retur n F an P erfor mance ST AN DARD CFM—Case B and Case C (40" F an) CFM Negative Static Pressure Std. 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 Air RPM BHP RPM BHP RPM BHP RPM BHP RP M BHP RPM BHP RPM BHP RPM BHP 20000 571 (i) (i) Outlined area in dicates nonstandard BHP or R PM selec[...]

RT -PRC031 -EN 69 Performance Data—Return Fan Figur e 26. Retur n F an P erfor mance ST AND ARD CFM—Case B and Case C (40" F an) 0 50 00 10000 15000 20000 25000 300 00 35000 40000 45000 0 1 2 3 4 5 6 7 8 9 10 1 0 % W O C F M 2 0 % W O C F M 3 0 % W O C F M 4 0 % W O C F M 5 0 % W O C F M 6 0 % W O C F M 9 0 % W O C F M 8 0 % W O C F M 7 0 [...]

70 RT -PRC031-EN T able 27 Natur al Gas Heating Capacities 1 Air Temper ature Ri se vs. Unit C FM CFM Case Gas Heat Module s Heat Input (MBh) Heat Output (MBh) 18000 20000 22000 24000 26000 30000 34 000 38000 42000 46000 A, B, C LOW 850 680 34.8 31.3 28.5 26.1 24.1 20.9 1 8.4 16.5 14.9 13.6 MED 1100 880 40.6 36.9 33.8 31.2 27.0 23.9 21.3 19.3 17.6 [...]

RT -PRC031 -EN 71 Performance Data—Heat T able 30 Hot W ater Coil Heating Capacities (Q/ITD) Water Flow High Capac ity Low Capac ity (GPM) 40 80 120 160 200 30 60 100 140 175 Casing Airflow (CFM) WPD (ft.) 0.3 1.0 2.1 3.7 5 .6 0.2 0.6 1.5 2.8 4.3 A, B, C 16000 7.57 9.02 9.59 9. 90 10.10 5.50 6.54 7.05 7.29 7.42 20000 8.26 10.08 10.84 11.25 11. 52[...]

72 RT -PRC031-EN T able 33 Chille d W ater Coil Airside Pressur e Drop (in H 2 0) Chilled Water Coil Airside Pressure Drop (in H 2 O) 2 row 4 row 6 row 8 row Casing CFM 80 fpf 108 fpf 144 fpf 168 fpf 80 fpf 108 fpf 144 fpf 168 fpf 80 fpf 108 fpf 144 fpf 168 fpf 80 fpf 108 fpf 144 fpf 168 fpf A, B, C 16000 0.03 0.06 0.09 0.12 0.09 0.13 0.19 0.25 0.1[...]

RT -PRC031 -EN 73 Performance Data—Component Static Pressure Drops/ Fan Drive Selections T able 35 Component Static Pr essure Dr ops (in. H 2 O) Standard Filter Section (Cooling Coil) Final Filter Section (Cooling Coil) Casing CFM Std 2" High Eff Throw Away Filters 90-95% Low PD Cartridge Filters w/ 2" Prefilter 90-95% Cartridg e Filter[...]

74 RT -PRC031-EN Performance Data—Component Static Pressure Drops/ Fan Drive Selections T able 36 Supply Air F an Dr ive Selections Casing Low/ Std RPM Horse Power (HP) 15 HP 20 HP 25 HP 30 HP 40 HP 50 HP 60 HP 75 HP Drive No. Drive No. Drive No. Drive No. Drive No. Drive No. Drive No. Drive No. AS t d 2000 L 1900 K 1800 J 1700 H 1600 G 1500 F 14[...]

RT -PRC031 -EN 75 Performance Data—Component Static Pressure Drops/ Fan Drive Selections T able 37 Exhaust Air F an Driv e Selections Casing Low/ Std RPM Horse Power (HP) 7.5 HP 10 HP 15 HP 20 HP 25 HP 30 HP 40 HP 50 HP 60 HP Drive No. Drive No. Drive No. Drive No. Drive No. Drive No. Drive No. Drive No. Drive No. A Std 700 7 7 6 0 0 666 6 6 5 0 [...]

76 RT -PRC031-EN Electr ical Service Sizing T o correctly siz e electrical service wiring for a unit, fi nd the appropriate calculations listed be low. Ea c h type of unit has its own set of calculations for MCA (Minimum Circuit Ampacity), MO P (Maximum Overcurrent P rotection), and RDE (Recommended Dual Element fuse size). R ead the load definitio[...]

RT -PRC031 -EN 77 T able 39 Electr ical Service Sizing D ata—Mot ors Supply Fan Motors Motor Horsepower 460 V 575 V FLA FLA 15 19.3 15.4 20 25.5 20.4 25 30.5 24.5 30 37.5 30 40 48.5 39 50 61 49.2 60 72 58 75 88 70 Exhaust/Return Fan Motors Motor Horsepower 460 V 575 V FLA FLA 7.5 10 8 10 13.2 10.3 15 19.3 15.4 20 25.5 20.4 25 30.5 24.5 30 37.5 30[...]

78 RT -PRC031-EN Electrical Data T able 42 V oltage Utilization Range Unit Voltage 460/60/3 414-506 575/60/3 517-633 T able 43 Electr ical Service Sizing D ata - Con venience Ou tlet T ransf ormer Nominal Tons Voltage 460 575 FLA Add FLA Add 90-150 3.3 2.6[...]

RT -PRC031 -EN 79 Figur e 27 . Unit T op/F ron t Vie w Dimensional D ata[...]

80 RT -PRC031-EN Dimensional Data T able 44 U nit Dimensions (In.)—One-Pi ece Unit ONE-PIECE Dimension s Lifting Lug Locations Unit D imensions Air Han dler Side Unit Width Casing Blank S e c t i o n A B C 1C 2C 3C 4 M N A, B, C None 334 2/16 159 15/16 66 252 14/16 n/a n/a 139 13/16 143 8/16 4Ft 382 5/16 159 15/16 66 252 14/16 368 6 /16 n/a 139 1[...]

RT -PRC031 -EN 81 Dimensional Data T able 45 Downflo w/Hor izontal Airf lo w Configur ation Dimensions (In.) DOWNFLOW Opening Dimensions Return Opening—with or without Exhaust Fan Return Opening—with Return Fan Casing Gas Heat Blank S e c t i o n X 1 Y 1W 1 L 1 X 1 Y 1W 1 L 1 A, B, C No Gas None 14 13/16 8 14/16 48 3/16 121 15/16 14 13/16 42 14[...]

82 RT -PRC031-EN Dimensional Data Figure 28. Electr ical Entry Details/Bottom View 16 60 3 4 71 1 4 76 1 4 81 1 4 46 1 16 48 1 16 61 3 4 44 Ø3 5 8 Ø1 1 16 Ø 7 8 6 5 16 5 5 16 Marine lights customer supplied power service entrance Unit power External customer connection points Outside edge of base rail 51 5 8 53 11 16 31 11 16 Ø1 1 2 Electr ical[...]

RT -PRC031 -EN 83 Dimensional Data Figure 29. Piping Enclo sur e Piping[...]

84 RT -PRC031-EN Dimensional Data Figure 30. Chilled W ater Piping Locati ons[...]

RT -PRC031 -EN 85 Dimensional Data Minimum Clearance Details Figure 31 . Minimum Required Clear ance (i) (i) Unit drawing is repre sentative only and may no t accurately depict all models. T able 46 Minimum Required Clearance Unit Option Selection (Door Swing Ft. and In. ) Standard VFD Heat Door Location Availability A,B,C Return/ Exhaust Supply El[...]

86 RT -PRC031-EN Dimensional Data Do wnflo w Roof Curb Figur e 32. Optional Roof Curb (Downflo w) T able 47 Downf low Roof Curb Dimensio ns (In.) Dimensions Casing Blank Section A B C D E F G H I J A, B, C None 11 15/16 49 8/16 5 1 5/16 123 253 2/16 49 8/16 20 15/16 104 11 15/16 1 1 3/16 4Ft 11 15/16 49 8/16 5 15/16 123 301 5/16 49 8/16 20 15/16 10[...]

RT -PRC031 -EN 87 Dimensional Data Field Installed Sensors — V a r iable Air V olume (V A V) Figur e 33. Field Installed V A V Zone Sensors SINGLE SETPOIN T SENSOR WITH S Y STEM FUNCTION LIGHT S (BA Y SENS021*) PROGRAMMABLE NIGHT -SETBA CK SENSOR (BA Y SENS020*) Notes: 1. Remote sensors are av ailable for use with all zone sensors to provide remo[...]

88 RT -PRC031-EN Dimensional Data Field Installed Sensors — Constant V olume (CV) Figure 34. Field Installed CV Zone Sensors PROGRAMMABLE NIGHT -SETBA CK SENSOR (BA Y SENS0 19* ) DU AL SETPOINT , MANUAL/A UTOMA TIC CHANGEO VER SENSOR WITH S Y STEM FUNCTION LIGHTS (BA Y SENS0 1 0*) WITHOUT LED S T A TUS INDI CA TOR S (BA Y SENS008*) SINGLE SETP OI[...]

RT -PRC031 -EN 89 Dimensional Data Field Installed Sensors — V A V and CV Figur e 35. Field Installed V A V and CV Zone Sensors REMO TE MINIMUM POSITION POTENTIOMETER CONTROL (BA Y ST A T023*) TEMPERA TURE SENSOR (BA Y SENS0 1 6*) Notes: 1. Remote sensors are available for use with al l zone sensors to provide re mote sensing c apabilities. FRONT[...]

90 RT -PRC031-EN Dimensional Data Field Installed Sensors — V A V and CV Figur e 36. Field Installed V A V and CV Zone Sensors Note: The d i mens i ons a re the s a me f or both the sensor a nd the re c e i ver . 2.90 in. (73.5 mm) 1.08 in. (2.75 mm) 4.78 in. (121.4 mm) 2.62 in. (66.5 mm) 3.27 in. (83 mm) 17.8 in. (0.70 mm) TYP 0.12 in. (3.0 mm) [...]

RT -PRC031 -EN 91 Notes: 1. W eights shown i nclude the following fe atures: standard coils, 0 -25% Fresh Air , throwaway filters, low cfm supply fan, mi nimum m otor sizes (high efficiency), constan t volume, 460 XL, No heat 2. W eights shown represen t approximate operatin g weights and hav e a + 5% accuracy . T o calc ulate w eigh t fo r a spe c[...]

92 RT -PRC031-EN Weights AB C Size Wt (lbs.) Size Wt (lbs.) Size Wt (lbs.) 4 Row W Chilled W ater Coil - 80 FPF 1523 1523 1523 4 Row W Chilled W ater Coil - 108 FPF 1622 1622 1622 4 Row W Chilled W ater Coil - 144 FPF 1750 1750 1750 4 Row W Chilled W ater Coil - 168 FPF 1835 1835 1835 6 Row WD Chilled W ater Coil - 80 FPF 2046 2046 2046 6 Row WD Ch[...]

RT -PRC031 -EN 93 Weights AB C Size Wt (lbs.) Size Wt (lbs.) Size Wt (lbs.) Control Box - Main Control Box - Main 454 454 454 Convenience Ou tlet 36 36 36 T able 50 Roof Curb W eights Casing Blank Installed Weight Shippi ng Weight A, B, C None 1066 1334 4 Ft 1147 1415 8 Ft 1228 1497 T able 49 Component W eights (Lbs.)[...]

94 RT -PRC031-EN A full range of fact ory installed options are available, allowing for the air handler design that best suits eac h individual appli cation. Chilled W ater Cooling • ARI certified type 5W , W , or WD coils pro vided with w ater modulating valve and actuat or . T urbulators and va rious row, fin series, and valve options are avail[...]

RT -PRC031 -EN 95 Options to 1 0 0 percent supply ai r . The fan operates in conjun ction with the supply fan. The relief damper modulates in response to economiz er damper position on Constant V olume air ha ndlers. • 1 0 0 Percent Modulating R eturn Fan with Statitrac Control and V ariable Frequency Drive and Bypass—Pro vided with all the nec[...]

96 RT -PRC031-EN Options • MERV 1 4, 90-95 percent, high temperature rated, cartridge, final filter opti on—A vailable on gas and electric heat units with eight foot blank section unit casing option onl y . T wel ve-inc h deep cartri dge filters are U.L. Class 1 and are mounted in a galvaniz ed steel casing with a 7/8” nominal thic kness head[...]

RT -PRC031 -EN 97 Options with V A V air handlers to control duct static pressure. Option includes vanes and static pressure controls. Airfoil supp ly fans with inlet vanes are an efficient w ay to mec hanically modulate airflow . • V A V Supply Air T emperature Control wit h V ariable Freq uency Drives w/o Bypass—P rovided with all necessary c[...]

98 RT -PRC031-EN Options Pro vided for those cases where non-T racer building management system is used. The GBA S module pro vides a binary input for Demand Limiting, four (4 ) analog inpu ts for setpoint adjustment and fi ve (5) relay outputs for diagnosti c repor ting. Inputs can use a potentiometer or 0-5 vdc signal. • Generic Building Automa[...]

RT -PRC031 -EN 99 Options no service mode interface is allowed remotely for safety reasons. • T rane LonT alk ® Communication Interface kit—For future opportunities and upgrade flexibility , this kit contains a LonT alk Commun ication Interface (LCI-I) module, whic h is required for communication with T racer Summit or a 3rd par ty building au[...]

10 0 R T -PRC031-EN Genera l Units shall be specifi cally designed for outdoor air hand ler installation on a roof curb and be completely factory assembled and tes ted, piped, internally wired and shipped in one piece. Air handlers shall be available as either no cooli ng or c hilled water cooling units. He at options include natural gas, electric,[...]

RT -PRC031 -EN 101 Mechanical Specifications Cooling S yst em Chilled W at er Coil Coils shall be of type 5W , W , or WD and have a tube in shee t design with 5/8” OD, 0.020” copper tubing mec hanically bonded to aluminum fins. Header s shall be constructed of copper tubing wit h steel pipe connections. Coil casing shall be a minimum 16-gauge G[...]

10 2 RT -PRC031 -EN Mechanical Specifications Filters Gener al Filter options shall m ount integral within the unit and be accessible by a hinged access door with a single point latc hing device. Cooling Coil Filter Options No Filters (T wo-inc h Nominal Thickness Thr ow aw a y Filte r Rack Only) Shall provide a galvan ized steel filter rac k (less[...]

RT -PRC031 -EN 10 3 Mechanical Specifications MERV 1 4, 90-95 P erc ent, Lo w Pr essur e Dr op, T otally Incinerable, Car tri dge, Final Filt er Option Note : A vailable on cooling only units with four or eight-foot blank section, as well as steam and hot water units with eight-foot bl ank section, unit casing only . T w elve-inc h deep cartri dge [...]

10 4 RT -PRC031 -EN Mechanical Specifications Retur n Air Gener al Return air options shall include 1 0 0 percent modulating return fan and 1 0 0 percent mod ulati ng return with direct space building pressurization control. Return fans shall be either standard or low airflow . 1 0 0 P erce nt Mod ul ati ng Retu r n Fa n A single width plen um fan [...]

RT -PRC031 -EN 10 5 Mechanical Specifications Economizer Cont rol with Comparati ve Ent halpy Used with the fresh air economizer , two enthalpy sensor s are provided to compare total heat content of the indoor air and outdoor air to determine the most ef ficient air source when economizin g. Economizer Cont rol with Ref erence Enthalp y Used with t[...]

10 6 RT -PRC031 -EN Mechanical Specifications temperature control and V A V Supply Air temperature con trol. • V A V z one sensor shall be provided wi th supply air single temperature setpoint a nd A UT O/ OFF system switc h. Status indication LED lights shall include: System On, Heat, Coo l an d Ser vi ce . Sen sor sh all be provided fo r zo ne [...]

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WWW.T rane.com For more information, contact your loc al T rane office or e-mail us at comfort@trane.com Literature O rder Number RT -PRC031-EN Date November 2007 Super sedes New T rane has a policy of continuous product and pro duct data improvement and re serves the right to c hange design and specifications without notice.[...]