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Trane Modular 20 to 35 Tons Catalogue

1. he e 8 27 r L I MOUNTING BASE 0 35 DETAIL DETAIL PKG PRCOOS3U EN 71 e TRANE Dimensions and Weights Figure 48 Frame B2 without bypass 9 57 n m nmm mmu 26 14 mr T mM Hi ul AIR DUTLET 0 64 0 335 24 AIR INLET 72 0 PKG PRCOOS3U EN e TRANE Dimensions and Weights Figure 49 Frame C1 without bypass
2. i237 0 72 12 17 ot ec e SEE DETAIL 75 2 4 x J E uui E U 27 28 a 51 E uuu Eq Ee co m gt Ww AIR INLET c fee d G o M N MOUNTING BASE L 0 39 p 0 55 ae DETAIL B DETAIL PKG PRC003U EN 73 e TRANE Dimensions and Weights Variable Frequency Drive With ByPass Table 39 With bypass VFD frame sizes 200V 460V 575V HP Frame Frame Frame 7 5 B1 A3 A3 10 B1 B1 B1 15 B2 B1 B1 20 B2 B1 B1 25 1 1 1 Notes 1 Table 39 p 74 refers to Figure 50 p 74 through Figure 53 p 77 2 VFD wall mounted by others Figure 50 Frame A3 with bypass SEE DETAIL A 30 81 I 31 92 98 SEE DETAIL B L p 1242 3 pez 3 99 CERT PM 39 m 28 DETAIL A 74 PKG PRCOOS3U EN e TRANE Dimensions and Weights Figure 51 Frame B1 with bypass SEE DETAIL A L 19 09 TYP 3 PLCS 69 8 86 8 86 12 65 1 O L DE 21 48 We 20 10 pr x 4 SEE DETAIL TYP 3 PLCS DETAIL DET
3. AR H AR OUTLET OUTLET LLL IOP VIEW PKG PRC003U EN FILTER ACCESS T VIEW 65 e TRANE Dimensions and Weights Figure 38 Steam coil left connections 92 3 4 73 1 2 VERTICAL DISCHARGE 3 4 AX ISOLATOR 30 7 8 MOUNTING LOCATION ON BOTTOM OF UNIT 2 1 8 149 16 64 1 2 11 TOP VIEW Figure 39 Steam coil right connections CONDENSATE RETURN TRAP 1 1 2 FEMALE CONN 92 3 4 73 1 2 VERTICAL DISCHARGE PIPING CONNECTIONS 2 1 2 NPTE 3 4 4X ISOLATOR MOUNTING LOCATION ON BOTTOM OF UNIT 30 7 8 2 1 8 TT 64 1 2 10 15 16 TOP VIEW 66 22 1 2 B 53 13 19 gt 15 7 8 CONDENSER FITTINGS 9 1 1 2 NPTI ELECTRICAL 36 15 16 40 15 16 CONNECTIONS E 937g 39 3 7 8 6 3 4 16 15 16 LEFT VIEW VACUUM BREAKER 1 FEMALE CONN STEAM INLET 1 FEMALE CONN VACUUM BREAKER 1 IFEMALE CONN CONDENSATE RETURN TRAP 1 FEMALE CONN id 22 1 2 53 13 16 13 5 16 15 7 8 1 40 15 16 15 16 35 3 778 9 3 8 6 3 4 16 15 16 RIGHT VIEW PKG PRCOOS3U EN e TRANE Dimensions and Weights Figure 40 Electric h
4. 56 PKG PRC003U EN 3 e TRANE Table of Contents Dimensions and Weights 59 Variable Frequency Drive Without ByPass 69 Variable Frequency Drive With ByPass 74 Service Clearances 78 Mechanical Specifications 79 Modular Series Self Contained 79 IntelliPak Control Options 81 Remote Air Cooled Condenser 86 4 PKG PRCOOS3U EN TRANE Features and Benefits PKG PRC003U EN Theindustry leaderin self contained systems since 1988 is now even better Trane s modular series unit is easy to install flexible and now has the latest control technology New modular DDC controls with human interface HI panel make self contained units easier to operate The modular series design fits the needs of the retrofit renovation market The unit easily splits apartto fit into freight elevators In addition we can ship the compressor section separate from the fan coil section for field installation Filter economizer and heating coil sections are all removable for added flexibility Also the modular series is small enough to fit through a standard 35 inch door opening The IntelliPak unit s DDC controls areTrane designed to work w
5. 21 Remote Air Cooled Condenser 21 General DAS 22 225 d APER Na RN RAE AU a 22 Performance 25 Airside Pressure 25 Waterside Pressure Drop 28 Water Cooled Unit Performance 30 Air Cooled Unit Performance 38 Heating Performance 41 528 sid na UT 42 Heat Module Option 42 Generic BAS Option GBAS 42 LonTalk Building Automation System 43 BACnet Building Automation System 43 Standard Control Features on IntelliPak Units 44 Airside Options 49 IntelliPak Units Zone Temp Control Sequence Of Operation 49 IntelliPak Units Supply Air Temp Control Sequence Of Operation 51 Zone Sensor Options 53 Electrical Data aus Sik ana Ota i kaha qa uS TS ames 56 Selection Procedures 56 Determination of Minimum Circuit Ampacity
6. e System control switch Heat Auto Off Cool Allows you to select heating mode cooling mode automatic selection of heating or cooling as required or turn the system off Fan control switch Auto On Allows you to select automatic fan operation while actively heating or cooling or continuous fan operation e Dual temperature setpoint levers allow you to set different cooling blue lever and heating setpoints red lever Thermometer to indicate temperature in the zone CV BAYSENS 110 Figure 26 Dual setpoint manual automatic changeover sensor with system function lights Accessory Model Number Digit 6 E BAYSENS110 This zone sensor is for use with cooling heating CV applications It provides the following features and system control functions d e System control switch to select heating mode sat HEAT cooling mode COOL AUTO for automatic selection of heating or cooling as required or OFF to turn the system off 97 e Fan control switch to select automatic fan operation while actively heating or cooling AUTO or continuous fan operation ON o nl e Dual temperature setpoint levers for setting cooling blue lever or heating red lever Thermometer to indicate temperature in the zone e Function status indicator lights SYS ON glows continuously during normal operation or blinks if system is in test mode e COOL glows continuously during cooling cycles or blinks to in
7. ECONOMIZER TYPE 70 2 ROW UNPIPED 4 ROW UNPIPED 50 2 ROW FACTORY PIPED 4 ROW FACTORY PIPED 30 y 7 20 4 o Z V 2 5 z Z zi w t Z 10 2 Z Z o 7 m 5 o n E 3 EE z 2 1 10 20 30 40 50 60 100 200 300 400 600 1000 WATER FLOW RATE GPM Figure 13 Unit without piping water pressure drop 100 S UNIT SIZE 70 ap EM 22 SCWG 20 25 DI arsi I SCWG 30 50 SCWG 35 30 I 20 a a 10 uU i 7 r on 5 tc lt 3 2 10 20 30 40 50 60 100 200 300 400 600 1000 CONDENSER FLOW RATE GPM 28 PKG PRC003U EN PKG PRC003U EN Figure 14 100 70 50 30 20 WATERSIDE PRESSURE DROP FT H20 e 10 20 30 Unit with piping waterside pressure drop 40 50 60 100 200 CONDENSER FLOW RATE GPM static pressure for proper fan horsepower determination 300 e TRANE Performance Data UNIT SIZE SCWG 20 25 WITH PIPING SCWG 20 25 WITH CDPS SCWG 30 WITH PIPING SCWG 30 WITH CDPS SCWG 35 WITH PIPING SCWG 30 WITH CDPS 400 600 1000 Note Primary refers to the side where the static pressure drop was measured This value must be added to the unit external Table 6 CFM capacity correction table CFM compared to rated cooling capacity sensible capacity quantity multiplier multiplier 2096 0 970 0 910 1096 0 985 0 955 DX cooling S
8. 80 multiple V belt sized for 130 of nominal motor horsepower All drive components shall be accessible without using scaffolds or ladders Supply fan motors are either open drip proof or totally enclosed fan cooled The motors shall have a standard NEMA T frame and a service factor of 1 15 All 60Hz motors meet the Energy Independence and Security Act of 2007 EISA The entire fan assembly including drive components shall be mounted on a common base The fan base shall be isolated inside the unit on rubber in shear isolators The entire assembly shall be statically and dynamically balanced at the factory Filters Two inch throwaway fiberglass filters shall be provided for installation during construction IntelliPak Unit Controls DDC Microprocessor controls shall be provided to control all unit functions The control system shall be suitable to control CV or VAV applications The controls shall be factory installed and mounted in the main control panel All factory installed controls shall be fully commissioned run tested atthe factory The unit shall have a human interface panel with 16 key keypad a two line 40 character clear language English French Spanish display as standard to provide the operator with full adjustment and display of control data functions The unit controls shall be used as a stand alone controller or as part of a building management system involving multiple units 1 The unit shall be equipped with a
9. e TRANE Dimensions and Weights Figure 32 Detail B discharge options in front view shown with horizontal discharge option Note When unit is ordered with horizontal supply ensure that all applicable codes are considered when installing equipment Special attention should be made to overhead clearances of unit ducting to meet code requirements Figure 33 Detail B discharge options in top view shown with vertical discharge option Pe J Table 29 Detail dimensions in mm model A B SCWG SCRG 20 20 508 10 3 4 273 58 1 2 1486 5 1 8 130 13 1 4 337 11 1 2 292 SCWG SCRG 25 19 1 4 489 12 1 4 311 57 5 8 1464 5 1 8 130 13 1 4 337 11 1 2 292 SCWG 30 35 SCRG 32 18 457 145 8 371 561 2 1435 51 8 130 131 4 337 111 2 292 62 PKG PRC003U EN Figure 34 CCRC CIRC Air Cooled Condenser e TRANE Dimensions and Weights OPTIONAL LOW AMBIENT DAMPER ONE DAMPER PER CIRCUIT REFRIGERANT LINE CONNECTIONS FRONTALVIEW Table 30 CCRC CIRC air cooled condenser dimensions amp weight in mm Ib kg shipping operating model AA in mm AB in mm AC in mm weight Ib kg weight Ib kg CCRC CIRC 20 70 1 8 1781 88 2235 88 2235 2030 921 1906 865 CCRC CIRC 29 70 1 8 1781 88 2235 88 2235 2084 945 1960 889 CCRC CIRC 32 70 1 8 1781 88 2235 88 2235 2138 970 2014 914 PKG PRC003U EN 63 e TRANE Di
10. 88 487 2 195 8 56 1 198 2 92 0 58 7 72 105 524 2 209 0 55 0 212 6 96 5 58 8 119 548 1 217 7 54 2 222 0 99 5 58 3 88 351 7 351 7 53 0 62 105 364 5 364 5 51 9 119 372 3 372 3 51 3 88 393 4 320 9 53 9 80 67 105 417 8 330 2 53 0 119 433 8 336 4 52 3 88 486 1 267 1 56 1 72 105 523 0 280 2 55 0 119 546 8 288 9 54 2 88 402 1 402 1 54 1 62 105 416 6 416 6 52 9 119 425 3 425 3 52 2 88 417 5 401 0 54 5 85 67 105 438 6 409 2 53 4 175 1 175 1 59 0 119 452 3 414 6 52 6 179 2 179 2 58 6 88 491 0 340 2 56 2 335 2 287 4 62 6 302 6 236 8 59 1 197 8 147 4 59 8 72 105 524 5 352 2 55 0 354 3 293 6 61 8 324 7 244 3 58 7 211 9 151 8 59 2 119 547 1 360 4 54 2 367 2 297 9 61 2 339 5 249 3 58 8 221 3 154 8 58 8 254 4 254 4 58 8 262 9 262 9 58 3 268 1 268 1 58 0 255 0 255 0 59 0 263 6 263 6 58 7 268 9 268 9 59 6 319 1 210 6 58 6 341 5 217 9 59 6 356 7 222 9 59 0 168 3 168 3 59 8 174 8 174 8 59 2 178 9 178 9 58 8 168 6 168 6 59 6 36 PKG PRCOOS3U EN e TRANE Performance Data Table 14 SCWG SIWG 35 gross cooling capacity 14 000 cfm 105 gpm entering water temp entering air 75 F 85 F 95 F EDB EWB total sensible total sensible total sensible F F MBh MBh LWT MBh MBh LWT MBh MBh LWT 62 430 348 84 4 413 340 94 2 395 331 104 1 75 67 467 277 85 1 449 270 94 9 428 262 104 7 72 506 204 85 8 486 196 95 6 463 188 105 4 62 431 416 84 4 415 408 94 2 396 396 104 1 80 6
11. 1700 rpm 175 1750 rpm 180 1800rpm 185 1850 rpm e TRANE Digit 20 Heating Type A steam coil LH B hot water coil LH C electric heat 1 stage F hydronic heat ctrl interface G elec heat ctrl interface 1 stage K steam coil ship separate LH L hot water coil ship separate LH M steam coil RH N hot water coil RH P steam coil ship separate RH R hot water coil ship separate RH T hi cap hot water coil LH U hi cap hot water coil LH ship sep V hi cap hot water coil RH W hi cap hot water coil RH ship sep 0 none Digit 21 Unit Isolators A isopads B spring isolators 0 none Digit 22 Unit Finish 1 paint slate gray 2 protective coating 3 protective coating w finish coat Digit 23 0 none Digit 24 Unit Connection 1 disconnect switch 2 terminal block 3 dual point power Digit 25 Industrial Options protective coated evaporator coil silver solder stainless steel screws A and B AandC Band C A Band C none Digit 26 Drain Type A galvanized sloped B stainless steel sloped Digit 27 Waterside Economizer A mechanical clean full capacity 4 row mechanical clean low capacity 2 row chemical clean full capacity 4 row chemical clean low capacity 2 row mechanical clean full capacity 4 row ship separate mechanical clean low capacity 2 row ship separate chemical clean full capacity 4 row ship separ
12. 2 Field supplied contact closure hardwired binary input to the RTM This input accepts a field supplied switch or contacts closure such as a time clock 3 Tracer Summit 4 Factory mounted time clock Timed Override Activation ICS This function is operational whenever the unit s RTM module is used as the zone temperature sensor source This can be set at the human interface panel When this function is initiated by the push of the override button on the zone sensor the unit will switch to the occupied mode Unit operation occupied mode during timed override is terminated by a signal from Tracer Summit Timed Override Activation Non ICS This function is active wheneverthe unit s RTM module is selected as the zone temperature source This can be set at the human interface panel When this function is initiated by the push of the override button on the zone sensor the unit will switch to the occupied mode Automatic cancellation of the timed override mode occurs after three hours of operation Low Ambient Compressor Lockout This function will lock out the compressor if the outdoor air temperature is below the low ambient compressor lock out temperature setpoint This setpoint is adjustable at the human interface panel Compressors will lock out when outdoor air temperature falls below that selected temperature and will start again when the temperature rises 5 F above the setpoint Comparative Enthalpy Control of Airside Economizer
13. 30 34 36 14 CFM 1000 S Note Fan curves include refrigerant coil and internal cabinet static losses To determine unit s total static pressure add filter economizer flexible horizontal discharge and heat pressure drops to external duct static pressure PKG PRCOOS3U EN 39 e TRANE Performance Data 32 ton Air Cooled Table 17 SCRG SIRG 32 gross cooling capacity 12 800 CFM Ambient 75 85 95 105 115 total sensible total sensible total sensible total sensible total sensible EDB EWB MBH MBH MBH MBH MBH MBH MBH MBH MBH MBH 62 423 1 270 4 407 2 262 8 388 6 254 2 368 2 244 3 345 8 233 6 67 464 0 204 4 445 9 197 0 425 2 188 7 402 0 179 4 376 9 169 6 62 425 5 332 1 409 6 324 4 391 3 315 5 370 7 305 6 348 4 294 8 75 67 463 8 268 4 445 8 261 0 425 1 252 5 401 9 243 2 376 8 233 3 72 506 5 202 2 486 4 194 7 463 4 186 3 437 9 177 1 410 6 167 4 62 427 1 394 3 411 2 386 5 392 9 377 5 372 3 367 5 349 9 349 9 80 67 465 2 330 8 447 5 323 0 427 2 314 0 404 6 304 0 380 2 293 3 72 506 4 265 6 486 2 258 1 463 3 249 6 437 8 240 4 410 5 230 6 62 442 3 442 3 428 8 428 8 413 0 413 0 395 1 395 1 375 4 375 4 85 67 467 0 392 4 449 3 384 4 429 0 375 3 406 4 365 2 382 0 354 4 72 506 6 328 6 487 1 320 4 464 6 311 4 439 7 301 4 410 4 293 5 Figure 21 Fan performance for CV or with VFD 8 0 E 7 04 get P 6 04 V5 i 5 amp E if a lt A X Qa
14. CFM PKG PRCOO3U EN 25 e TRANE Performance Data Figure 8 Traq damper airside pressure drop SCWG Slim CSC Flow vs Pressure Drop TRAQ Dampers 1 000 z o o 20T SCWG 0 100 25T amp 30T SCWG a 32T amp 35T SCWG o 5 o o 2 0 010 1000 10000 100000 Figure 9 Waterside economizer airside pressure drop ECONOMIZER TYPE 7 2ROW ECONOMIZER 4 ROW ECONOMIZER 5 3 g S 2 1 o z 5754 S fe 07 5 2 05 tc 8 02 01 1000 2000 3000 5000 10000 20000 40000 100000 UNIT AIR FLOW CFM 26 PKG PRCOO3U EN PKG PRC003U EN e TRANE Performance Data Figure 10 Steam coil airside pressure drop 3 HOT WATER COIL STEAM COIL 3 S z 2212 o z 5 u 07 wo 05 o tc 03 02 1000 2000 3000 5000 10000 20000 40000 UNIT AIR FLOW CFM Figure 11 Airside economizer airside pressure drop 1 2 UNIT SIZE po SCWG 20 SCWG 25 30 35 5 SCRG 20 25 32 3 d 2 o z j 5 07 s A i 5 054 a 1 j f 7 a 03 02 AM c H Poes w js 1000 2000 3000 5000 10000 20000 40000 COIL TYPE UNIT AIR FLOW CFM 100000 100000 27 e TRANE Performance Data Waterside Pressure Drop Figure 12 Waterside economizer waterside pressure drop 100
15. Sensible capacity multiplier 1 014 Multiply the capacities by the correction factors 370 MBh x 1 005 371 85 MBh 282 MBh x 1 014 285 95 MBh The SCWG 35 meets the total and sensible design requirements Multiply the deltaT of 10 4 F by the cooling capacity correction factor of 1 005 to obtain new delta T of 10 45 and add this to the entering water temperature to obtain the actual leaving water temperature 95 45 F Determine static air pressure drops through the accessories at the design cfm by referring to Figure 6 p 25 through Figure 11 p 27 4 row waterside economizer 0 55 in Medium velocity filters 2 0 41 in Add this to the 2 5 inch duct static pressure for a total external static pressure of 3 46 inches Refer to the fan curve with Constant Volume Figure 18 p 37 to determine approximate brake horsepower and fan rpm Fan brake horsepower 25 bhp Fan rpm 1850 rpm Determine net capacities by subtracting fan motor heat from gross capacities 2 8 x 25 bhp 70 0 MBh Net total capacity 371 85 MBh 70 0 MBh 301 85 MBh Net sensible capacity 285 95 MBh 70 0 MBh 215 95 MBh Determine waterside economizer full coil capacity by referring to Table 13 p 36 Use entering air of 80 67 F and entering water temperature of 55 F at 105 gpm The table provides a gross total capacity of 263 6 MBh and gross sensible capacity of 263 6 MBh and 60 0 F leaving water temperature at nominal cfm Determine gross capacit
16. and system controllers has substantial benefits Installation time and associated risks are reduced Projects are completed with fewer disruptions Future re configurations expansions and upgrades are easier and more cost effective PKG PRC003U EN e TRANE Features and Benefits Trane R 410A 3 D Scroll Compressor The R 410A Trane 3 D Scroll provides important reliability and efficiency benefits inherent in its design The 3 D Scroll allows the orbiting scrolls to touch in all three dimensions forming a completely enclosed compression chamber which leads to increased efficiency In addition the orbiting scrolls only touch with enough force to create a seal eliminating wear between the scroll involutes The fixed and orbiting scrolls are made of high strength cast iron which results in less thermal distortion and minimal leakage In addition improved part isolation provides reduced compressor sound levels compared to previous designs Features listed below optimize the compressor design and performance e Optimized scroll profile e Heat shield protection to reduce heat transfer between discharge and suction gas e Improved sealing between high side and low side Additional features are incorporated in the compressor design for greater reliability e Patented design motor cap for improved motor cooling Improved bearing alignment e Improved resistance to dry start up e Oil sight glass for evaluating proper oil
17. 2 Protective Coating 3 Protective Coating with Finish Coat 4 Unpainted Unit Digit 13 Coil Options A Non Coated Aluminum C Protective CoatedAluminum Digit 14 Unit Isolators 0 None A Spring Isolators B lIsopads Digit 15 Panels 0 None 1 Digit 16 Agency None UL Listing Louvered Panels 0 T 21 e TRANE General Data Table 1 SCWG SIWG SCRG SIRG general data Water Cooled Units Air Cooled Units Unit Size 20 25 30 35 20 25 32 Compressor Data Quantity 2 2 1 1 2 2 1 1 2 Nominal Ton Comp 10 10 10 15 15 10 10 15 15 Circuits 2 2 2 2 2 2 2 Evaporator Coil Data Rows 2 4 4 4 3 4 4 Sq Ft 22 5 25 0 25 0 25 0 25 0 25 0 25 0 FPF 144 144 144 144 144 144 144 Condenser Data Minimum GPM w o Econ 36 36 46 54 Minimum GPM w Econ 41 41 60 65 Maximum GPM 80 80 102 119 Evaporator Fan Data Quantity 2 2 2 2 2 2 2 Size Dia x width inches 12 5 8 x8 12 5 8 x9 12 5 8 x11 12 5 8 x11 12 5 8 x8 12 5 8 x9 12 5 8 x11 Minimum HP 5 5 5 5 5 5 5 Maximum HP 20 25 25 25 20 25 25 Minimum Design CFM 6350 7250 7250 7250 7250 7250 7250 Maximum Design CFM 8500 10 625 12 750 14 875 8500 10 625 13600 R 410A Refrigerant Data EER 14 0 14 3 14 1 14 0 10 0 10 1 10 4 IEER CV 14 1 14 8 15 4 15 6 10 8 11 8 11 9 IEER VFD 17 1 18 1 18 2 17 7 13 4 13 3 13 8 Refrigerant Charge Ib kg Circuit A 19 0 8 6 24 0 10 9 24 5 11 1 23 0 10 4 See Note 3 See Note 3
18. 25 30 amp 35 Chemically Cleanable 2 108 50 72 SCXG 20 25 30 amp 35 Mechanically Cleanable 2 108 50 72 SCXG 20 25 30 amp 35 Chemically Cleanable 4 108 50 72 SCXG 20 25 30 amp 35 Mechanically Cleanable 4 108 50 72 PKG PRC003U EN 23 24 e TRANE General Data Table 5 CCRC CIRC remote air cooled condenser general data Unit Size 20 29 32 Condenser Fan Data Number Type Drive 4 Prop Direct 4 Prop Direct 4 Prop Direct Size inches 26 26 26 HP ea 1 1 1 Nominal Cfm 18 800 21 200 32 000 Condenser Coil Data Circuit 1 Size in 1 46x71 1 46x71 1 64x71 Circuit 2 No Size in 1 46x71 1 64x71 1 64x71 Face Area sq ft 45 4 54 2 63 1 Rows fpf 4 144 4 144 4 144 Ambient Temperature Operating Range Standard Ambient F 50 115 50 115 50 115 Low Ambient Option F 0 115 0 115 0 115 PKG PRC003U EN TRANE Performance Data Airside Pressure Drop Figure 6 Filter airside pressure drop PRE da HE PATER H D ax a ieee MPLA REP Note In Figure 6 p 25 lines 1 and 3 are for the SXWG 20 ton only Lines 2 and 4 are for all air cooled units and all SXWG 25 35 tons Figure 7 Horizontal discharge plenum airside pressure drop 3 0 2 0 60 REAR DISCH STD REAR DISCH LOW FRONT DISCH STD FRONT DISCH LOW PRESSURE DROP INCHES OF WATER m a 25 40 SIDE SIDE DISCH LOW SIDE SIDE DISCH STD 20 4000 5000 6000 7000 10000 15000 AIR FLOW RATE
19. 6 130 TEFC 56 4 402 175 19 6 140 25 ODP 69 0 438 24 3 152 Table 23 VFD electrical data VFD L I C Without Bypass With Bypass HP 200V 460V 575V 200V 460V 575V 7 5 23 8 10 6 8 8 25 11 3 9 3 10 32 2 14 11 1 31 6 14 3 11 3 15 48 3 21 16 6 47 7 21 3 15 6 20 61 9 27 6 21 4 60 9 27 3 22 3 25 78 2 34 26 3 76 5 34 3 27 3 Note Values are at the maximum VFD input rating and not the reduced motor values 57 e TRANE Electrical Data Table 24 Electric heat single stage SCWG SIWG SCRG SIRG Heat 200V 460V Size Size Kw Amps Amps 20 20 16 44 8 19 6 25 25 20 55 6 24 2 30 24 66 8 29 0 32 26 72 4 31 6 35 28 78 34 0 Note Electric heat amperage should not be considered when determining minimum circuit ampacity The current of the unit in the heating mode will not exceed the current of the unit in the cooling mode Table 25 CCRC CIRC condenser electrical data Unit Size Rated MFS Tons Voltage Fans FLA ea LRA ea MCA MCB 20 29 32 200 4 4 1 20 7 17 4 20 230 4 4 1 20 7 17 4 20 460 4 1 8 9 0 7 7 15 575 4 1 4 7 2 6 0 15 Note All motors for CCRC CIRC units are rated at 1 hp 7457 kW 58 PKG PRC003U EN TRANE Dimensions and Weights Figure 29 SCWG SIWG dimensions in HORIZONTAL DISCHARGE OPTION SEE DETAIL B FOR DIMENSIONAL DATA SEE DETAIL A N 2 sr 2 5 amp 5 5 35 1 7 4 5 8 27 5 8 SEE DETAIL A MERE SEE DETAIL A 7
20. An optional comparative enthalpy system is used to control the operation of the economizer and measures the temperature and humidity of both return air and outside air to determine which source has lower enthalpy This system allows true comparison of outdoor air and return air enthalpy by measurement of outdoor and return air temperatures and humidities Note f comparative enthalpy is not ordered the standard method compares outdoor air enthalpy with a fixed reference enthalpy The reference enthalpy is set through the human interface panel Compressor Lead Lag Compressor lead lag is a user selectable feature through the human interface panel and is available on all units After each request for compressor operation the lead refrigeration circuit or compressor switches thereby causing a more equitable or balanced run time among compressors Emergency Stop Input A binary input is provided on the unit s RTM module for installation of a field provided switch or contacts to immediately shutdown all unit functions Water Flow Control With compatible piping configurations the unit can be configured to provide e Constant water flow with basic or intermediate piping PKG PRCOOS3U EN e TRANE Controls e Variable water flow with intermediate piping only Constant water flow is for condenser pumping systems that are not capable of unloading the water pumping system Variable water flow maximizes energy saving by unloading the water p
21. Control Interface A heat control module will be factory installed and wired for customer supplied hydronic heating This control will be accomplished with a dry binary output 0 10 VDC analog control signal Time Clock A factory installed programmable time clock is wired to the unoccupied mode binary input to provide on off control The timer is accessible without opening the control panel door and is a seven day type with a maximum of four operations per day A permanent built in rechargeable battery pack is provided Entering Air Temperature Protection A thermostat limit switch is factory mounted on the unit s entering air side with a capillary tube serpentine across the coil face If the temperature falls below 35 F the fan shuts down and the waterside economizer and or hydronic heat valve opens to allow full water flow The heat output also energizes A manual reset is required Note this option is standard on all units with a waterside economizer or hydronic heat Non Fused Disconnect Switch The unit has a factory mounted non fused disconnect switch which is accessible without opening the control panel door PKG PRCOOS3U EN PKG PRC003U EN e TRANE Mechanical Specifications Dual Point Power Terminal Blocks Two separate power terminal blocks are available to bring power to the unit One terminal block provides power to the compressors and the other provides power to the controls and fan motor Note A single point pow
22. Tracer Summit or a 3rd party building automation system that supports LonTalk BACnet Building Automation System PKG PRCOOS3U EN The BACnet Communication Interface for IntelliPak self contained controller expands communications from the unit UCM network to Tracer SC or a 3rd party building automation system utilizing BACnet and allows external setpoint and configuration adjustment and monitoring of status and diagnostics The BCI I utilizes the BACnet defined MS TP protocol as defined in ASHRAE standard135 2004 This controller works in standalone mode with Tracer SC or when connected to a 3rdparty building automation system that supports BACnet 43 e TRANE Controls Standard Control Features on IntelliPak Units All set up parameters are preset from the factory requiring less start up time during installation The human interface panel is easy to read and requires less time for building maintenance personnel to learn to interact with the unit It features a clear language English Spanish or French display that shows all of the self contained unit s control parameters such as system on off demand limiting type night setback setpoints and many other setpoints All setpoint adjustments are done through the human interface key pad Also the human interface panel allows you to monitor unit diagnostic points such as sensor failures supply airflow loss and inoperative refrigerant circuit Diagnostics are held in
23. bolt removable condenser waterboxes for quick and easy cleaning Sloped drain pans to ensure complete condensate removal for IAQ Internally trapped drain connection with cleanout Internally isolated centrifugal supply fan Sturdy galvanized steel framework with easily removable painted exterior galvanized steel panels UL listing on standard options Fan belts and grease lines are easily accessible Access panels and clearance provided to clean evaporator and waterside economizer coil fins Condensing pressure control on all variable water flow systems with valves Complete factory run in test with power and water Standard Control Features Unit mounted human interface panel with a two line x 40 character language English Spanish or French display and a 16 function keypad that includes custom diagnostics and service test mode menu keys Compressor lead lag FROSTAT coil frost protection on all units Daytime warmup occupied mode and morning warmup operation Supply air static over pressurization protection on units with variable frequency drives VFDs Supply airflow proving e TRANE Features and Benefits e Supply air tempering control with heating option e Supply air heating control on VAV with hydronic heating option e Mappable sensors and setpoint sources e Occupied unoccupied switching Timed override activation e Programmable water purge during unoccupied mode e High entering air temperature limit Low ent
24. can be used if a positively pressured space is desired instead of a negatively pressurized space Supply fan on e Supply fan VFD 60 Hz VAV boxes open if equipped e Outside air dampers open e Heat all stages off modulating heat output at 0 vdc e Occupied unoccupied output energized e VO relay Energized e Exhaust fan field installed off e Exhaust damper field installed closed EXHAUST sequence With the building s exhaust fans running and the unit s supply fan off the conditioned space becomes negatively pressurized This is desirable for clearing the area of smoke when necessary i e from an extinguished fire to keep smoke out of areas that were not damaged e Supply fan off e Supply fan VFD off 0 Hz if equipped e Outside air dampers closed e Heat all stages off modulating heat output at 0 vdc e Occupied unoccupied output deenergized e VO relay energized e Exhaust fan field installed on e Exhaust damper field installed open Purge sequence D This sequence could be used for purging the air out of a building before coming out of Unoccupied mode of operation on VAV units Also it can be used to purge smoke or stale air Supply fan on e Supply fan VFD on 60 Hz VAV boxes open if equipped e Outside air damper open e Heat all stages off modulating heat output at 0 vdc e Occupied unoccupied output energized 46 PKG PRC
25. delta T Using design cfm determine static air pressure drops for accessories from the air pressure drop Figure 6 p 25 through Figure 11 p 27 Add accessory static pressure drops to external supply and return static air pressure drops Use the total air pressure drop to determine rpm and brake horsepower requirements from the appropriate fan curve Note The fan curves include refrigerant coil and internal cabinet static loses Calculate supply fan motor heat by using the following equation Fan motor heat MBh 2 8 x fan motor brake horsepower Determine net total capacity and net sensible capacity by subtracting fan motor heat from gross total capacity and gross sensible capacity Refer to the Trane psychometric chart to determine leaving air temperatures Waterside Economizer Capacity Selection Example PKG PRCOOS3U EN 1 8 After determining that the unit will meet the required mechanical cooling capacity determine the waterside economizer capacity by referring to the appropriate two row low capacity or four row high capacity waterside economizer capacity tables for the unit size Determine entering air temperature dry bulb and wet bulb condenser water flow gpm and economizer entering water temperature Refer to the appropriate waterside economizer table to find gross total and sensible capacity and the leaving water temperature Apply the cfm correction factor for the waterside economizer from the appropriat
26. each floor minimizes tenant inconvenience during routine maintenance e Tenants can control system after hours to increase productivity and minimize expense Low First Cost e Reduce field labor installation time and cost with factory packaged controls and piping e Reduce installed tonnage up to 20 by taking advantage of building diversity and flexibility e Flexible air discharge arrangement matches most building configurations Lower Installed Cost e Single point power connection e Single point water connection e Factory commissioned and tested controls e Factory installed options e Internally trapped drain connection Economical Operation e Free cooling year round with waterside or airside economizer e Energy savings with floor by floor system since only units on floors requiring cooling need to operate e Significant annual energy consumption reduction compared to a central chilled water system due to partial occupancy after hours e Simple heating alternatives include perimeter radiation and fan powered e Energy savings from the integrated water valve control using pump unloading Assured Acoustical Performance e Flexible horizontal discharge plenum provides smooth airflow reducing static pressure losses for optimum acoustical performance e Multiple compressor design reduces acoustical levels Scroll compressor design smooths gas flow for quieter operation Indoor Air Quality IAQ Features e Sloped d
27. is reached or for 60 minutes Then the unit switches to occupied mode Cooling will suspend until building load conditions exceed the MWU setpoint of 3 F 1 7 C which is field adjustable Note When using the morning warmup option in a VAV heating cooling self contained unit airflow must be maintained through the self contained unit This can be accomplished by electrically tying the VAV boxes to the unoccupied output relay contacts on the unit s RTM module or by using changeover thermostats Either of these methods will assure adequate airflow through the unit and satisfactory heating Ventilation Override VOM The user can customize up to five different override sequences A E for purposes of ventilation override control If more than oneVOM sequence is being requested the sequence with the highest priority is initiated first Priority schedule is that sequence A unit off is first with sequence E purge with duct pressure control last 45 e TRANE Controls UNIT OFF sequence A When complete system shut down is required the following sequence can be used Supply fan off Supply fan VFD off 0 Hz if equipped e Outside air dampers closed e Heat all stages off modulating heat output at 0 vdc e Occupied unoccupied output deenergized VO relay energized e Exhaust fan field installed off e Exhaust damper field installed closed PRESSURIZE sequence B This override sequence
28. mechanical cooling is required Both valves close whenever cooling is not required and in the event of a power failure Water Flow Switch A water flow switch is factory installed in the condenser water pipe within the unit Whenever the flow switch detects a water flow loss prior to or during mechanical cooling compressor operation locks out and a diagnostic code displays If water flow is restored the compressor operation automatically restores Service Valves Service valves are factory installed on each circuit before and after the compressor to allow compressor isolation for servicing 83 e TRANE Mechanical Specifications 84 Electric Heat Single stage electric heating coils with controls are field installed inside the unit casing at both fan discharges An open construction type coil is provided Power to the electric heater is factory wired to the unit s single point power connection Hot Water The hot water heating assembly includes the coil and filter section and is factory installed on the unit s inlet A three way modulating valve and actuator shipped separate for field installation and an automatic air vent is factory installed The coil is aTrane type 5W constructed of 5 8 inch 16 mm OD copper tubes arranged in a parallel pattern The copper tubes are expanded into aluminum fins positioned continuously across the entire coil width not exceeding 80 fpf for a standard capacity coil one row and 108 fpf for
29. memory even during power loss This allows the operator servicer to diagnose the failure root cause IntelliPak unit features include e Unit mounted human interface panel with a two line x 40 character clear language display and a 16 function keypad that includes CUSTOM DIAGNOSTICS and SERVICETEST MODE menu keys on IntelliPak units e Compressor lead lag e FROSTAT coil frost protection on all units e Daytime warmup occupied mode and morning warmup operation e Supply air static over pressurization protection on units with variable frequency drives VFDs e Supply airflow proving Supply air tempering control with heating option Supply air heating control on VAV with hydronic heating option e Mappable sensors and setpoint sources e Occupied unoccupied switching Timed override activation e Programmable water purge during unoccupied mode Human Interface Panel HI Figure 22 HI panel is available as unit or remote mounted The human interface panel provides a 16 button keypad for monitoring setting editing and controlling the unit The HI panel is mounted in the unit s main control panel accessible through the a unitcontrol panel door T ES Theoptionalremote mount version ofthe human jt interface RHI panel has all the functions of the unit mounted version except for the service mode To use a RHI the unit must be equipped with the remote HI interface option model number digit 32 2 which inclu
30. model number The zone sensor includes an internal thermistor and should be mounted in the zone This sensor is available for use with all zone sensor options to provide remote sensing capabilities CV VAV BAYSENS119 Figure 24 Programmable zone sensor Accessory Model Number Digit 6 BAYSENS119 The BAYSENS119 programmable night set back sensor provides multi functional flexibility for both Constant Volume and Variable Air Volume control This electronic programmable sensor includes auto or manual cooling and heating changeover with 7 day programming Five tactile feel buttons located on the sensor front panel provide interface for all programming including lt gt initial setup for CV or VAV control Sensor 50 functionality includes up to four daily cm programmable periods for Occupied Unoccupied operation and Override The dynamic LCD display indicates status for System On Off Heat Cool Fan Status Time of Day Occupied Unoccupied mode SpaceTemperature Space or Discharge Air Heating and Cooling Setpoints Additional features include Service Indication for Heat Failure Cool Failure Fan Failure andTest Mode if system is operating in test mode A Check FilterTimer function is included Filter service countdown time can be set in one day increments Activation of the Test Configuration button located on the bottom of the sensor performs a sensor self diagnostic routine and indicates hours in service When
31. monitor reference enthalpy Economizer operation enables when the outside air enthalpy is less than 25 BTUs Ib adjustable 19 28 BTUs Ib During occupied mode the outside air damper opens to 15 adjustable 0 100 for ventilation purposes Also the ability to alter the outside air damper position to compensate for VAV supply air modulation is inherent in the unit controls and can be enabled by the operator An analog 2 10 VDC output adjustable 0 10 VDC is provided to modulate the field provided 30 second damper actuators adjustable 1 255 seconds Airside Economizer Interface with Comparative Enthalpy Units with airside economizer interface and comparative enthalpy are equipped with the necessary control sequences to allow using outside air for the first stage of cooling in occupied or unoccupied mode and when ambient conditions are favorable for economizing Inherent in the unit controller is the ability to suppress the setpoint below the normal unit setpoint This allows the building to improve comfort levels when possible and at the same time optimize building mechanical cooling operation for peak operating efficiency A factory installed control board with outside and return air temperature and relative humidity sensors are provided for monitoring outside and return air The sensors are field installed Economizer operation enables when the outside air enthalpy is 3 PKG PRCOOS3U EN PKG PRC003U EN e TRANE Mechanical Specifica
32. piping including a trap with cleanout shall be provided with a single point connection to the unit s exterior Refrigerant Circuit Water cooled unit only Refrigerant circuits shall be independent and completely piped including filter driers sight glasses distributors thermal expansion valves with adjustable superheat and external equalizer and high pressure relief valves with 2 inch flare connection Unit shall be provided with adequate means of frost control The circuits shall be tested factory dehydrated and charged with oil and refrigerant Units ordered as ship separate shall be factory dehydrated charged with oil and shipped with a dry nitrogen charge Refrigerant is to be added in the field Refrigerant Circuit Air cooled unit only Two refrigerant circuits shall be piped to the exterior of the unit The refrigerant piping includes filter driers sight glasses distributors thermal expansion valves with adjustable superheat and external equalizer Unit shall be provided with adequate means of frost control The circuits shall be factory tested dehydrated and then charged with dry nitrogen Supply Fan Supply fan shall be dual forward curved medium pressure fans secured to a solid steel shaft with grease lubricated bearings designed for 200 000 hours Fan bearings shall have grease lines extended to a common location The drive components shall include fixed pitch sheaves and 79 e TRANE Mechanical Specifications
33. the BAYSENS119 is programmed for Constant Volume or VAV control Night Setback is initiated through the scheduled Unoccupied time setting When the sensor switches to Night Setback the outdoor dampers close and heating cooling functions are enabled disabled based on set up parameters As building load changes If heating cooling functions are enabled the Sensor energizes self contained unit and evaporator fan operation The unit will cycle heating cooling operation throughout the Unoccupied period as required to maintain Unoccupied space temperature setpoints When the Unoccupied time period has expired all heating cooling functions return to normal operation When Night Setback options are used with VAV heating cooling maintain airflow through the self contained unit by electronically tying the VAV terminals to the unoccupied output relay contacts 53 e TRANE Controls 54 on the self contained units low voltage terminal board or by using changeover thermostats Either of these methods will assure adequate airflow through the unit and satisfactory temperature control of the space Refer to BAS SVX17 EN for complete installation operation and maintenance instructions CV BAYSENS108 Figure 25 Dual setpoint manual automatic changeover sensor Accessory Model Number Digit 6 E BAYSENS108 This zone sensor module is for use with cooling heating CV applications It provides the following features and system control functions
34. treated water may result in equipment damage Consult a water treatment specialist for treatment recommendations Isolation Valves Install isolation valves at each unit before the strainer and after the condenser This allows periodic servicing of the unit or strainer while allowing other units in the system to remain in operation Pressure Gauges Install pressure gauges on the inlet and outlet of the self contained unit Select the gauge s scale so that the unit design operating point is approximately mid scale Thermometers Install thermometers on the condenser water inlet and outlet lines to each unit for system analysis Trane recommends using a thermometer temperature range of 40 to 140 F using a 2 F temperature increment Drains The unit condensate drain is internally trapped to offset the pressure differential that exists during fan operation Install a trapped drain in the low point of the mechanical equipment room floor to collect water from cleaning operations Condensing Pressure Control Water Cooled condensers Often cold condensing water applications between 54 F and 35 F require a condensing pressure control valve Any unit with variable flow waterside valves can modulate water flow to maintain a user defined condensing temperature However to utilize this feature the building water system must be capable of operating at reduced water flow rates through the self contained units It is imperative to install variable v
35. will require editing to reflect those options for proper unit operation e SERVICE allows servicing or troubleshooting the unit by selecting component control outputs such as compressors fans damper position etc This menu is accessible only at the unit mounted human interface panel Control Sequences of Operation PKG PRCOOS3U EN Morning Warmup This feature is available on all types of factory installed heat units and on units with no heat This function may still be selected to support systems with heat sources not provided by the self contained unit At the conclusion of unoccupied mode the selected zone is heated to the user defined morning warmup setpoint The unit is then released to occupied mode There are two types of morning warmup full capacity or cycling capacity Full Capacity Morning Warmup MWU Full capacity morning warmup uses full heating capacity to heat the zone as quickly as possible Full heating capacity is provided until the morning warmup setpoint is met At this point the unit is released to daytime mode Cycling Capacity Morning Warmup MWU Cycling capacity morning warmup provides a more gradual heating to overcome building sink as the zone is heated Normal zone temperature control with varying capacity is used to raise the zone temperature to the MWU zone temperature setpoint This method of warmup is used to overcome the building sink effect Cycling capacity MWU will operate until MWU setpoint
36. 1 2 24 3 4 FRONT VIEW WATER INLET 2 1 2 ENPT _ 7 1 2 17 WATER OUTLET WATER OUTLET 14 2 1 2 ENPT __ WATER INLET WATER INLET 1 1 2 INPT 6 75 CONDENSER 7 5 8 FITTINGS 4X LEFT SIDE VIEW FILTER ACCESS FT SI VIEW FACTORY PIPED UNITS DIRECT CONDENSER CONNECTIONS 93 4 4X E d ISOLATOR HOLE LOCATION 35 30 7 8 1221 BOTTOM UNIT VERTICAL DISCHARGE OPTION SEE DETAIL 787 FOR 2 DIMENSIONAL DATA s 64 1 2 L 11 TOP VIEW 73 1 2 FILTER ACCESS FILTER ACCESS 1 1 2 INPT QUICK RELEASE DRAIN Poe 71 7 ii 1 1 2 INPT 4X 41 2 4 1 2 1 1 27 INPT Il DRAIN ACK VIEW 7 7 8 WATER INLET 7 1 2 CNN n 1 2 WATER OUTLET 14 3 4 2 M2 15 1 8 WATER INLET 18 3 4 4 WATER OUTLET RIGHT SIDE VIEW RIGHT SIDE VIEW FACTORY PIPED UNITS DIRECT CONDENSER CONNECTIONS Note Refer to Table 28 p 61 for SCRG SIRG weight Ibs PKG PRCOOS3U EN 59 e TRANE Dimensions and Weights Figure 30 SCRG SIRG dimensions in HORIZONTAL DISCHARGE OPTION SEE DETAIL B FOR DIMENSIONAL DATA Ww Ji 5 1 372 INPT 35 172 DRAIN J n 7 see DETAIL A s z LIQUID LINES LEFT SIDE VIEW FRONT VIEW 5 8 TUBES 2X 4 1 2 AIR T UNITS DISCHARGE LINES 5 8 TUBES 2x 9 1 4 RIGHT SIDE VIEW AIR COOLED UNITS 93 4 ISOLATOR MOUNTING LOCATION ON BOTTOM OF UNIT VERTICAL DISCHARGE OPT
37. 20x2 508x508x51 Type Rows NS 5W 5W No Size in 2 24x58 1 48 x 62 1 48 x 62 e TRANE General Data No Size mm fpf 2 609 6x1473 2 42 1 1219 x 1575 80 1 1219 x 1575 108 Notes 1 Hot water and steam heating coils have Prima Flo fins and do not have turbulators 2 For coil capacities use TOPSS Trane Official Product Selection Program Table 3 SCRG SIRG self contained and CCRC CIRC remote air cooled condenser refrigerant data SCRG SI RG amp CCRC CIRC Unit Size No of Refrigerant Circuits Operating Charge Ibs R 410A Operating Charge kg R 410A Cond Storage Cap Ibs R 410A Cond Storage Cap kg R 410A 20 20 36 5 36 5 16 6 16 6 37 37 16 8 16 8 25 29 32 32 2 2 48 5 36 46 46 22 16 3 20 9 20 9 51 37 51 51 23 1 16 8 23 1 23 1 Notes PWNE Table 4 Waterside economizer coil physical data Refrigerant charges are listed as circuit 1 circuit 2 and provide only an estimate Final charge requires sound field charging practice Operating charge estimate includes the air cooled self contained remote air cooled condenser and 25 feet of interconnecting refrigerant piping At conditions of 95 F 35 C condenser storage capacity is 95 full To determine the correct amount of refrigerant needed for a particular application reference the Trane Reciprocating Refrigeration Manual Model Unit Size Type Rows FPF height in length in SCXG 20
38. 4 1 286 240 94 0 272 233 103 8 75 67 324 195 84 9 311 190 94 7 296 184 104 4 72 352 142 85 6 337 136 95 4 320 130 105 1 62 298 295 84 2 287 287 94 0 273 273 103 8 80 67 325 244 84 9 312 239 94 7 297 232 104 5 72 353 193 85 6 338 187 95 4 322 181 105 2 62 317 317 84 7 307 307 94 6 295 295 104 4 85 67 326 294 84 9 313 288 94 7 298 281 104 5 72 354 243 85 7 339 238 95 4 323 232 105 2 Figure 16 Fan performance for CV or with VFD 8 07 7 5 Der 4 6 5 1 e 2 6 01 3 x T 9 5 5 y iri gt 2 5 04 1 d z lt ME st Rey 4 l ae amp x xd RY X 3 4 0 5 E Ed a 50 E T 2 3 5 1550 a Re 3 07 b 2 5 4250 Ap LY NS 1 51 950 i XN e 250 Rey 0 5 lt NY I 0 0 k 1 0 2 6 8 10 12 15 18 20 22 24 26 28 30 32 34 36 IN 100075 PKG PRCOOS3U EN Note Fancurves include refrigerant coil and internal cabinet static losses To determine static pressure to use with these curves add filter economizer flexible horizontal discharge and heat pressure drops to external duct static pressure 33 e TRANE Performance Data 30 ton Water Cooled Table 11 SCWG SIWG 30 economizer capacity 12 000 cfm full capacity coil low capacity coil 45 F 55 F 45 F 55 F EDB EWB flow total sensible LWT total sensible LWT total sensible L
39. 4 61 2 312 0 175 7 50 9 203 6 139 5 58 9 75 354 9 354 9 54 5 270 0 270 0 62 2 236 2 236 2 51 3 180 9 180 9 59 8 62 90 369 1 369 1 53 2 279 8 279 8 61 2 247 9 247 9 50 5 188 9 188 9 59 2 105 379 1 379 1 52 2 286 8 286 8 60 5 256 2 256 2 49 9 194 7 194 7 58 7 75 369 9 351 3 54 9 270 7 270 7 62 2 236 6 236 6 51 3 181 2 181 2 59 8 85 67 90 391 3 359 6 53 7 280 7 280 7 61 2 248 3 248 3 50 5 189 3 189 3 59 2 105 407 7 366 1 52 8 287 7 287 7 60 5 256 7 256 7 49 9 195 0 195 0 58 7 75 434 9 298 6 56 6 298 3 252 1 63 0 270 4 210 5 52 2 187 8 183 6 60 0 72 90 469 2 311 0 55 4 317 6 258 4 62 1 293 3 218 3 51 5 199 6 187 3 59 4 105 495 8 320 7 54 4 332 8 263 5 61 3 311 4 224 5 50 9 208 8 190 3 59 0 34 PKG PRC003U EN e TRANE Performance Data Table 12 SCWG SIWG 30 gross cooling capacity 12 000 cfm 87 gpm Entering Water Temp Entering Air 75 F 85 F 95 F EDB EWB Total Sensible Total Sensible Total Sensible F F MBh MBh LWT MBh MBh LWT MBh MBh LWT 62 360 294 84 6 347 288 94 4 330 280 104 3 75 67 392 234 85 3 376 228 95 2 359 221 104 9 72 425 171 86 1 408 165 95 9 388 158 105 6 62 362 353 84 6 348 344 94 5 332 332 104 3 80 67 393 293 85 4 377 286 95 2 360 278 105 0 72 426 231 86 1 409 225 95 9 390 218 105 7 62 382 382 85 1 370 370 95 0 356 356 104 9 85 67 394 351 85 4 379 344 95 2 361 336 105 0 72 428 291 86 2 410 285 96 0 391 278 105 7 Figure 17 F
40. 6 5 Figure 19 Fan performance for CV or with VFD 8 0 7 5 7 0 9 IS 42 6 9 amp ES 5 5 45 y 2 Rp N N 5 07 4 X N N 4 bi 4 5 X X s w 30 Rp 5 4 0 N X a RPy 5 UE y NA ia NT 3 s 430 E d v 99 X p 2 01 4450 gs LPS M X E 050 S 7 1 5 950 LEZEN N N 1 880 pp FAND A YN B N MESES er TNO b N N Y 0 5 Ze D N N 0 0 4 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 CFM 1000 S Note Fan curves include refrigerant coil and internal cabinet static losses To determine unit s total static pressure add filter economizer flexible horizontal discharge and heat pressure drops to external duct static pressure 38 PKG PRC003U EN e TRANE Performance Data 25 ton Air Cooled Table 16 SCRG SIRG 25 gross cooling capacity 10 000 CFM Ambient 75 85 95 105 115 total sensible total sensible total sensible total sensible total sensible EDB EWB MBH MBH MBH MBH MBH MBH MBH MBH MBH MBH 62 285 0 190 6 67 311 0 139 0 62 287 5 239 6 75 67 310 9 190 2 72 339 0 137 5 62 288 8 285 4 80 67 313 9 238 4 72 339 0 188 1 62 308 0 308 0 85 67 315 4 287 6 72 341 4 236 5 Figure 20 Fan performance for or with VFD 8 07 7 51 7 6 6 29 2 5 4 u 2 2 1 1 9 uU 7 22 2 8 10 19 16 18 20 2 24 86 28
41. 7 468 345 85 1 450 338 94 9 429 329 104 7 72 507 273 85 8 487 266 95 6 464 258 105 4 62 454 454 84 8 439 439 94 7 423 423 104 6 85 67 469 413 85 1 451 405 95 0 431 396 104 8 72 508 343 85 9 488 336 95 7 466 327 105 4 Figure 18 Fan performance for CV or with VFD 8 07 7 5 lt C F 9 S Ap 2 a amp S 4 e C o x of N 4 44 14 16 18 20 22 24 26 28 30 32 34 36 CFM 1000 S PKG PRCOOS3U EN Note Fan curves include refrigerant coil and internal cabinet static losses To determine static pressure used with these curves add filter economizer flexible horizontal discharge and heat pressure drops to external duct static pressure 37 e TRANE Performance Data Air Cooled Unit Performance 20 ton Air Cooled Table 15 SCRG SIRG 20 gross cooling capacity 8 000 CFM Ambient 75 85 95 105 115 total sensible total sensible total sensible total sensible total sensible EDB EWB MBH MBH MBH MBH MBH MBH MBH MBH MBH MBH 20 62 295 2 182 5 284 0 177 3 271 1 171 4 256 5 164 8 240 7 157 8 67 324 1 141 0 311 4 135 9 296 8 129 7 280 5 123 0 263 0 116 0 62 295 7 223 2 284 6 217 8 271 8 211 5 257 3 204 5 241 7 197 0 75 67 324 5 182 2 312 0 176 9 297 6 170 9 281 4 164 2 264 2 157 2 72 355 3 140 1 341 1 134 9 324 9 128 7 306 9 122 1 287 7 115 2 62 242 8 236 6 80 67 265 0 196 7 72 288 7 155 9 62 256 7 256 6 85 67 266 2 235 9 72 289 8 19
42. 8 139 8 139 8 58 5 63 301 5 240 4 54 6 194 3 194 3 61 2 190 1 173 9 51 0 131 7 131 7 59 2 80 67 75 405 5 213 6 55 8 267 2 165 4 62 1 205 3 179 5 50 5 138 0 138 0 58 7 80 331 8 252 2 53 3 209 4 206 2 60 2 210 6 181 5 50 3 140 1 140 1 58 5 63 371 9 201 4 56 8 246 6 158 7 62 8 234 7 139 7 52 5 155 6 113 9 59 9 72 75 405 5 213 6 55 8 267 2 165 4 62 1 257 4 147 4 51 9 169 4 118 3 59 5 80 417 2 217 9 55 4 274 4 167 8 61 9 265 3 150 1 51 6 174 3 119 9 59 4 63 305 0 305 0 54 7 232 5 232 5 62 4 205 3 205 3 51 5 157 9 157 9 60 0 62 75 223 0 223 0 50 9 168 9 168 9 59 5 216 3 216 3 50 8 165 4 165 4 59 4 80 321 8 321 8 53 0 244 1 244 1 61 1 219 9 219 9 50 5 167 9 167 9 59 2 63 319 3 299 4 55 1 233 2 233 2 62 4 205 7 205 7 51 5 158 2 158 2 60 0 85 67 75 339 0 307 1 54 0 242 0 242 0 61 5 216 7 216 7 50 8 165 7 165 7 59 4 80 345 8 309 8 53 7 244 9 244 9 61 1 220 3 220 3 50 5 168 2 168 2 59 2 63 376 5 255 5 57 0 259 0 215 2 63 2 235 6 182 3 52 5 164 6 159 1 60 2 72 75 407 4 266 7 55 9 276 8 221 1 62 4 257 2 189 6 51 9 175 9 162 7 59 7 80 418 3 270 7 55 5 283 1 223 2 62 1 264 8 192 2 51 6 179 9 164 0 59 5 32 PKG PRC003U EN Table 10 SCWG SIWG 25 gross cooling capacity 10 000 cfm 75 gpm entering water temp e TRANE Performance Data entering air 75 F 85 F 95 F EDB EWB total sensible total sensible total sensible F F MBh MBh LWT MBh MBh LWT MBh MBh LWT 62 297 245 8
43. 8 7 226 2 137 7 64 0 228 6 128 4 54 1 149 5 102 1 61 0 242 2 143 1 63 1 245 6 134 4 53 2 160 1 105 5 60 3 255 0 147 4 62 3 258 5 139 0 52 4 168 5 108 2 59 8 203 7 203 7 63 1 190 3 190 3 52 6 144 8 144 8 60 8 209 2 209 2 62 0 197 6 197 6 51 6 149 8 149 8 60 0 213 2 213 2 61 1 202 8 202 8 50 8 153 5 153 5 59 4 204 4 204 4 63 2 190 7 190 7 52 6 145 1 145 1 60 8 85 67 60 210 0 210 0 62 0 204 4 199 1 51 8 150 1 150 1 60 0 70 214 0 214 0 61 1 211 8 201 9 51 0 153 8 153 8 59 4 50 347 4 223 1 58 9 235 8 183 7 64 4 228 8 164 3 54 1 155 9 140 0 61 2 72 60 371 1 232 0 57 3 249 6 188 4 63 3 245 2 170 1 53 1 164 6 142 8 60 5 70 389 3 238 9 56 1 260 5 192 1 62 4 258 0 174 6 52 3 171 6 145 1 59 9 30 PKG PRCOOS3U EN e TRANE Performance Data Table 8 SCWG SIWG 20 gross cooling capacity 8 000 cfm 60 gpm entering water temp entering air 75 F 85 F 95 F EDB EWB total sensible total sensible total sensible F F MBh MBh MBh MBh MBh LWT 62 249 187 104 6 75 67 271 153 105 3 72 296 117 106 1 62 250 220 104 6 80 67 272 187 105 4 72 296 151 106 1 62 270 270 84 8 262 262 94 8 253 253 104 7 85 67 295 230 85 6 285 225 95 5 273 219 105 4 72 322 195 86 5 310 191 96 3 297 186 106 1 M G STATIC PRESSURE IN ventos S gt amp SY N N 850 amp KS me a NN CFM 1000 S Note Fan cu
44. AIL PKG PRCOOS3U EN 75 e TRANE Dimensions and Weights Figure 52 Frame B2 with bypass 19 09 69 e 8 86 _ I 8 86 zi BR x E _ M SEE DETAIL A r1 m p m 28 17 i 26 9 amp H m eu o HERE M y W ALN eese 28 DETAIL A DETA 76 PKG PRC003U EN Figure 53 Frame C1 with bypass SEE DETAIL A 2A OO a TYP 3 PLCS 1 15 11 1100 11 00 kx i 29 94 2959 L j LL SEE DETAIL B PKG PRCO003U EN NO TYP 3 PLCS 276 d DETAIL B e TRANE Dimensions and Weights j 3 u 1 i 1 42 282 1 89 DETAIL A 77 e TRANE Dimensions and Weights Service Clearances Table 40 SCWG SIWG SCRG SIRG clearance requirements Service code clearances Side Distance Purpose Front 42 in 1066 mm NEC code requirement Left 18 in 457 mm Air cooled units only 36 in 914 mm Refrigeration and waterside 77 in 1956 mm Componen
45. HI VOM amp RHI GBAS amp VOM amp RHI BACnet Communications Interface BCI and GBAS BCI and VOM BCI and RHI BCI and GBAS and VOM BCI and GBAS and RHI BCI and VOM and RHI BCI and GBAS and VOM and RHI None LonTalk Interface LCI and GBAS LCI and VOM LCI and RHI LCI and GBAS and VOM LCI and GBAS and RHI LCI and VOM and RHI LCI and GBAS and VOM and RHI Digit 34 Agency T ULagency listing 0 Digit 35 Filter Type 1 2 inch construction throwaway 2 2 inch med eff throwaway Digit 36 Miscellaneous Control Option low entering air temp protect device LEATPD high duct temp t stat plenum high static switch kit for heat mode output w t stat A and B AandC B and C A B and None W Zzcroo lt oTcOomnnmuoou PKG PRCOOS3U EN Self Contained Ship With Accessory Model Number Digit 1 Parts Accessories parts accessories Digit 2 Unit Model S self contained Digit 3 Shipment W with unit Digit 4 Development Sequence F signature series G modular series Digit 5 Sensors and Other Accessories S sensors Digit 6 Sensors and Thermostats Field Installed A 5077 zone temp only CV and VAV B BAYSENSO73 zone temp with timed override button CV and VAV BAYSENSO74 zone temp with timed override button setpoint dial CV and VAV E BAYSE
46. ION SEE DETAIL 78 FOR DIMENSIONAL DATA 64 1 2 Ww M 60 PKG PRC003U EN e TRANE Dimensions and Weights Table 26 Dimensions in mm Model A B F SCWG SCRG 20 20 508 10 3 4 273 58 1 2 1486 5 1 8 54 13 1 4 337 11 1 2 292 SCWG SCRG 25 19 1 4 489 12 1 4 311 57 5 8 1464 5 1 8 54 13 1 4 337 11 1 2 292 SCWG 30 35 SCRG 32 18 457 14 5 8 371 56 1 2 1435 5 1 8 54 13 1 4 337 11 1 2 292 Table 27 SCWG SIWG weight Ibs Unit Tons Base Weight Ib kg 20 2227 1010 25 2697 1223 30 2765 1254 35 2834 1286 Notes 1 All unit weights include refrigerant water and controllers electric heat and valves 2 Add 150 Ibs to total weight to obtain approximate shipping weight 3 Split apart unit weights are approximately 60 total unit weight compressor section 40 total unit weight fan section Table 28 SCRG SIRG weight Ibs kg unit tons base weight 20 2311 1048 25 2380 1079 32 2448 1110 Notes 1 All unit weights include refrigerant water and controllers electric heat and valves 2 Add 150 Ibs to total weight to obtain approximate shipping weight 3 Split apart unit weights are approximately 60 total unit weight compressor section 40 total unit weight fan section Figure 31 SCRG SIRG SCWG SIWG detail A electrical connections in 61 50 KO LOW VOLTAGE CUSTOMER CONNECTIONS PKG PRC003U EN 61
47. NS108 CV zone sensor dual setpoint man auto changeover F BAYSENS110 CV zone sensor dual setpoint man auto changeover w indicastor lights 5119 CV VAV program mable night setback Sensor BAYSENS021 VAV zone sensor with indicator lights BAYSTAT150 2H 2C ProgTstat w BAYSTAT077 Remote Sensor outside air temperature sensor kit outside air humidity sensor kit BAYSTAT155 3H 2CTstat BAYSTAT150 2H 2C ProgrammableTstat none I II II 0722 0 Digit 7 Mixed Air Temperature Protection Kit Field Installed 1 mixed air temperature protection kit 0 none Digit 8 Carbon Dioxide Sensor Field Installed 1 carbon dioxide sensor kit 0 none Digit 9 Future Option 0 none Digits 10 11 Design Sequence Factory Assigned PKG PRCOOS3U EN P TRANE Model Number Descriptions Remote Air Cooled Condenser Digit 1 Unit Model C Condenser Digit 2 UnitType C Commercial Industrial Digit 3 Condenser Medium R Remote Digit 4 Development Sequence C C Digits 5 6 7 Nominal Capacity 020 20Tons 029 29Tons 032 32Tons Digit 8 Unit Voltage 4 460Volt 60 Hz 3 ph 5 575Volt 60 Hz 3 ph 6 200Volt 60 Hz 3 ph Digit 9 Control Option No Low Ambient I Pak No Low Ambient T stat Low Ambient I Pak Low Ambient T stat Digits 10 11 Design Sequence Factory Assigned Digit 12 Unit Finish 1 Paint Slate Gray
48. OOS3U EN PKG PRC003U EN e TRANE Controls e VO relay energized e Exhaust fan field installed on e Exhaust damper field installed open Purge with duct pressure control E This sequence can be used when supply air control is required for smoke control Supply fan on Supply fan VFD on if equipped e Outside air dampers open e Heat all stages off modulating heat output at 0 vdc e Occupied unoccupied output energized e VO relay energized e Exhaust fan field installed on e Exhaust damper field installed open Note Each system cooling exhaust supply air etc within the unit can be redefined in the field for each of the five sequences if required Also the definitions of any or all of the five sequences may be locked into the software by simple key strokes at the human interface panel Generic Building Automation System Module GBAS The generic building automation system module GBAS provides broad control capabilities for building automation systems other than Trane s Tracer system A field provided potentiometer or a 0 5 vdc signal can be applied to any ofthe inputs of the GBAS to provide the following inputs and outputs Four analog inputs that can be configured to be any of the following Occupied zone cooling Unoccupied zone cooling Occupied zone heating Unoccupied zone heating SA cooling setpoint SA heating setpoint Space static pressure setpoint OO Ov gui e M
49. See Note 3 Circuit B 19 0 8 6 24 0 10 4 23 0 10 4 23 0 10 4 See Note 3 See Note 3 See Note 3 Capacity Steps 100 53 0 100 53 0 100 65 42 6 100 53 0 Filter Data Quantity 4 4 4 4 4 4 4 Size inches 16x25x2 16x25x2 16x25x2 16x25x2 16x25x2 16x25x2 16x25x2 Quantity 4 4 4 4 4 4 4 Size inches 20x25x2 20x25x2 20x25x2 20x25x2 20x25x2 20x25x2 20x25x2 CI RC Condenser I _ I 20 29 32 Notes Compressors are Trane 3D scroll and 85 95 F 29 4 35 C condenser water or 95 F 35 C ambient system charge required Refer to Table 3 p 23 for amounts required Filter sizes are for units without hot water or steam heating coils 22 Maximum cfm limits are set to prevent moisture carryover on the evaporator coil Minimum cfm limits are set to ensure stable thermal expansion valve operation at low load conditions EER and IEER are rated in accordance to the AHRI Standard 340 360 2010 Based on 80 67 F 26 7 19 4 C to the evaporator coil nominal airflow All units operate with R 410A Water Cooled units ship with full operating charge Air cooled Units ship with dry nitrogen charge Field refrigerant PKG PRCOOS3U EN Table 2 SCWG SIWG SCRG SIRG self contained heating coil Filter Data for Heating Coil Quantity Size inches Size mm Quantity Size inches Size mm Coil Data Steam Coil Hot Water Coil std cap Hot Water Coil hi cap 4 20x18x2 508x457x51 8 20x
50. Tracer system for zone control Field installed module kits available to upgrade controls e Ultra low leak dampers for 0 10096 amp modulating fresh air economizer e Fully integrated variable frequency drive VFD control with or without optional integrated bypass PKG PRCOOS3U EN e TRANE Features and Benefits Integrated Self Contained Systems PKG PRC003U EN Integrated Comfort System ICS Figure 2 You can control monitor and service your facility using Trane s ICS and your PC Trane s Integrated Comfort system ICS increases job control by combining IntelliPak Modular Series self contained units and a Tracer building management system This integrated system provides total building comfort and control Building owners and managers not only save energy when using ICS they have the ability to automate their facilities and the convenience of a control system interface Simplifying The Comfort System Trane s designers combined new technology and innovation to bring you more system capabilities and flexibility Our Integrated Comfort system ICS with HVAC equipment is easy to use install commission and service Everything you need to know about your self contained VAV system is available using Tracer building automation products Tracer is a software package that minimizes custom programming requirements and allows easy system setup and control using your personal computer Operating data from al
51. WT total sensible LWT F F gpm MBh MBh F MBh MBh F MBh MBh F MBh MBh F 75 274 7 264 2 52 3 179 9 179 9 59 8 176 8 176 8 49 7 120 4 120 4 58 2 62 90 290 5 270 7 51 5 186 6 186 6 59 2 185 7 185 7 49 1 125 9 125 9 57 8 105 302 5 275 7 50 8 191 3 191 3 58 6 192 1 192 1 48 7 129 7 129 7 57 5 75 338 7 215 8 52 3 200 7 165 6 60 4 212 2 149 9 50 7 126 3 119 6 58 4 75 67 90 366 4 226 4 51 5 213 7 170 1 59 8 230 7 156 7 50 1 134 3 122 4 58 0 105 387 7 234 8 50 8 224 1 173 8 59 3 244 8 161 9 49 7 140 8 124 6 57 7 75 431 4 173 0 54 0 282 5 122 4 62 5 270 2 112 2 52 2 177 9 82 2 59 7 72 90 468 5 186 3 53 1 306 4 130 2 61 8 294 3 120 4 51 5 192 8 86 9 59 3 105 496 8 196 5 52 4 324 8 136 3 61 2 312 6 126 7 51 0 204 3 90 5 58 9 75 310 4 310 4 56 5 224 9 224 9 61 0 206 5 206 5 50 5 150 7 150 7 59 0 62 90 323 0 323 0 55 4 233 2 233 2 60 2 216 7 216 7 49 8 157 4 157 4 58 5 105 331 8 331 8 54 5 239 1 239 1 59 6 224 1 224 1 49 3 162 2 162 2 58 1 75 348 8 281 5 54 3 225 5 225 5 61 0 218 2 201 0 50 8 150 9 150 9 59 0 80 67 90 373 4 291 0 53 3 233 9 233 9 60 2 234 2 206 9 50 2 157 7 157 7 58 5 105 392 4 298 4 52 5 245 7 243 4 59 7 246 7 211 5 49 7 162 5 162 5 58 1 75 430 5 235 0 56 5 283 9 185 2 62 6 269 8 161 2 52 2 177 6 131 3 59 7 72 90 467 4 248 2 55 4 306 4 192 6 61 8 293 7 169 4 51 5 192 2 135 9 59 3 105 495 7 258 6 54 4 324 1 198
52. a high capacity two row coil The coil casing is 16 gage steel Coil performance is rated at a maximum working pressure of 200 psig in accordance with ARI Standard 410 Supply and return water header connections are female tapered NPT Steam Heating Coil The steam heating assembly includes the coil and filter section and is available as a ship separate option or factory installed on the unit s inlet A two way modulating valve actuator manifold piping are factory installed Also connections are provided for field installing a vacuum breaker The coil is aTrane type NS constructed of one inch OD copper tubes arranged in a parallel pattern The copper tubes are expanded into aluminum fins positioned continuously across the entire coil width not exceeding 42 fins per foot The coil casing is steel Coil performance is rated at a maximum working pressure of 100 psig in accordance with ARI Standard 410 Supply and return steam header connections are female tapered NPT Factory provided controls limit the leaving air temperature from the heating coils to no more than 105 F at all operating conditions Single Stage Electric Heat Interface A heat control module will be factory installed and wired for customer supplied and powered electric heat This module will allow the unit to stage the customer provided electric heat Single stage electric heat control will be accomplished with one dry binary output rated at one amp for 115 VAC Hydronic Heating
53. a shell and tube design with removable heads to allow tubes easy mechanical cleaning Tubes are 34 inch OD and constructed of copper cupro nickel 90 10 Stainless Steel Drain Pan The drain is positively sloped fabricated from 304L stainless steel and insulated with 34 inch of 1 Ib density fiberglass The drain pan contains a factory piped trap with cleanout Dirty Filter Sensor A factory installed pressure switch senses the pressure differential across the filters When the differential pressure exceeds 0 9 inches WG contact closure occurs A field installed indicator device may be wired to relay terminals to indicate when filter service is required Contacts are rated at 115 VAC and are powered by a field supplied transformer Medium Efficiency Filters Two inch medium efficiency throwaway fiberglass filters are installed in the unit filter section Remote Human Interface Panel The remote human interface panel RHI can perform all the same functions as the unit mounted human interface panel except the service mode function A single RHI can monitor and control up to four units The panel includes a 2 x 40 character clear English display a red LED light to indicate an alarm condition a simple 16 key keypad for making unit setpoint and configuration changes and hinged access door The panel can be mounted up to 5 000 feet from the unit and is wired to 85 e TRANE Mechanical Specifications the inter processor communicat
54. an performance for CV or with VFD 8 07 nsi i gt 7 0 amp amp o G gt gt e 3 d Ei Uy 9e 6 0 gt gt lt S 5 5 lt gt E E ic Q 5 d W ES ES a o a o b lt D lt gt gt lt 2 PE 2 p 2 7 STATIC PRESSURE IN m o I ST d gt 0 i d 2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 IN 1000 5 Note Fan curves include refrigerant coil and internal cabinet static losses To determine static pressure used with these curves add filter economizer flexible horizontal discharge and heat pressure drops to external duct static pressure PKG PRC003U EN 35 e TRANE Performance Data 35 ton Water Cooled Table 13 SCWG SIWG 35 economizer capacity 14 000 cfm full capacity coil low capacity coil EDB EWB flow total sensible LWT total sensible LWT total sensible LWT total sensible LWT F F gpm MBh MBh F MBh MBh F MBh MBh F MBh MBh F 88 310 4 301 6 52 1 203 5 203 5 59 6 198 2 198 2 134 5 134 5 58 1 62 105 325 9 308 0 51 2 210 3 210 3 59 0 206 8 206 8 139 8 139 8 57 7 119 335 9 312 2 50 7 214 5 214 5 58 6 212 1 212 1 143 1 143 1 57 4 88 382 4 245 5 53 7 140 6 134 4 57 8 75 67 105 410 1 256 1 52 8 148 2 137 0 57 6 119 428 2 263 1 52 2 153 5 138 8 59 5
55. ate chemical clean low capacity 2 row ship separate none gt How H B C D II II I II II 19 e TRANE Model Number Descriptions Digit 28 Ventilation Control B airside econ w Traq damper top O A inlet airside econ w standard dampers top O A inlet E airside econ w Traq damper and comparative enthalpy top O A airside econ w std dampers and comparative enthalpy top O A H none ventilation for 2 position control interface J airside economizer interface K airside economizer interface w comparative enthalpy 0 Digit 29 Water Piping RH condenser connection LH condenser connection RH basic piping LH basic piping RH intermediate piping LH intermediate piping RH basic w flow switch LH basic w flow switch RH intermediate w flow switch LH intermediate w flow switch none Digit 30 CondenserTube Type Ozracmmoou A standard condenser tubes B 90 10 CuNi condenser tubes 0 none Digit 31 Compressor Service Valves 1 0 Digit 32 Miscellaneous System Control timeclock interface for remote HI IPCB dirty filter switch 1and2 1 and 2 and 1 2 and 3 none with service valves none O lO OI L OO N 20 Digit 33 Control Interface Options A Generic BAS Module 0 5 VDC GBAS Ventilation Override Module VOM Remote Human Interface RHI GBAS amp VOM GBAS amp R
56. b E s ol Re H 517 lt Se Re gt AA S RSV 80 LAL s lt lt S N 1 Pea 2225 2575 ERAT 0 0 a i 4 1 EE kk 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 IN 100075 Note Fan curves include refrigerant coil internal cabinet static losses determine unit s total static pressure add filter economizer flexible horizontal discharge and heat pressure drops to external duct static pressure 40 PKG PRC003U EN e TRANE Performance Data Heating Performance Table 18 Steam heating capacity 2 psi 5 psi 10 psi unit airflow capacity capacity capacity LAT size cfm MBh MBh MBh F 20 tons 8000 278 6 293 9 315 5 96 4 25 tons 10000 360 5 93 2 30 tons 12000 400 3 90 8 32 tons 12800 366 2 86 4 386 4 87 8 414 9 89 9 35 tons 14000 384 6 85 3 405 8 86 7 435 8 88 7 Note Based on 60 F EAT Table 19 Electric heating capacity Unit Size Unit Size Heat Air Flow Capacity LAT SCWG SCRG kW CFM MBH 20 20 16 8000 54 64 66 32 25 25 20 10000 68 30 66 32 30 N A 24 12000 81 96 66 32 N A 32 26 12800 88 79 66 42 35 N A 28 14000 95 62 66 32 Note 1 Based on 60 F EAT 2 For unit capacities at different conditions than those listed use TOPSS Trane Official Product Selection Program 3 Air temperature rise kW x 3413 CFM x 1 085 PKG PRC003U EN 41 e TRANE Controls Modular DDC controls with
57. complete microprocessor control system This system shall consist of temperature and pressure thermistor and static pressure transducer sensors printed circuit boards modules and a unit mounted human interface panel Modules boards shall be individually replaceable for service ease All microprocessors boards and sensors shall be factory mounted wired and tested The microprocessor boards shall be stand alone DDC controls not dependent on communications with an on site PC or building management network The microprocessors shall be equipped with on board diagnostics indicating that all hardware software and interconnecting wiring are in proper operating condition The modules boards shall be protected to prevent RFI and voltage transients from affecting the board s circuits All field wiring shall be terminated at separate clearly marked terminal strip Direct field wiring to the I O boards is not acceptable The microprocessor s memory shall be non volatile EEPROM type requiring no battery or capacitive backup while maintaining all data 2 Zone sensors shall be available in several combinations with selectable features depending on sensor 3 The human interface panel s keypad display character format shall be 40 characters x two lines The character font shall be 5 x 7 dot matrix plus cursor The display shall be Supertwist Liquid Crystal Display LCD with blue characters on a gray green background that provides high visibility a
58. control design allows greater application flexibility You can order exactly what the job requires as options instead of one large control package Unit features are distributed among multiple field replaceable printed circuit boards All set up parameters are preset from the factory requiring less startup time during installation In addition IntelliPak self contained units have a human interface panel that displays unit operating parameters and conditions in English Spanish or French language making it easy to adjust setpoints or service It also requires less time for building maintenance personnel to learn to interact with the unit Human interface panel displays all of the self contained unit s control parameters such as system on off demand limiting type night setback setpoints All setpoint adjustments are done through human interface key pad You can also monitor diagnostic points such as sensor failures supply airflow loss and inoperative refrigerant circuit Diagnostics are held in memory even during power loss This allows operator servicer to diagnose failure root cause e TRANE Features and Benefits Why consider Modular Series self contained floor by floor systems Improved Cash Management e Factory installed and tested options reduce field labor and installation risk while improving system reliability e Requires less sophisticated maintenance than built up systems Tenant Satisfaction e Complete HVAC system on
59. d Amps Compressor LRA Locked Rotor Amps Fan Motor LRA Locked Rotor Amps N E C Table 430 150 FLA Full Load Amps N E C Table 430 150 Voltage utilization range is 10 Determination of Minimum Circuit Ampacity MCA MCA 1 25 x largest motor amps VFD amps FLA or RLA the sum of the remaining motor amps Determination of Max Fuse MFS and Max Circuit Breaker MCB Sizes MFS and MCB 2 25 x largest motor amps FLA or RLA the sum of the remaining motor amps 56 Units with the dual power option require separate MFS and MCB calculations for each electrical circuit 1 fans and 2 compressors If the rating value calculation does not equal a standard over current protective device rating use the next lower standard rating as the maximum Table 20 Number of compressors per unit SCWG SIWG 20 25 30 35 SCRG SI RG 20 25 32 10 HP 2 2 1 15 HP 1 2 Table 21 SxWG amp SxRG compressor motor data 200V 460V 575V HP RLA LRA RLA LRA RLA LRA 10 41 4 267 18 6 142 15 8 103 15 56 9 351 25 5 197 23 1 146 PKG PRC003U EN PKG PRC003U EN Table 22 Fan motor electrical data e TRANE Electrical Data 200V 460V 575V HP TYPE FLA LRA FLA LRA FLA LRA ODP 15 7 107 5 4 40 2 TEFC 15 124 5 3 41 ODP 22 3 199 7 8 61 4 i TEFC 23 2 148 7 6 58 5 ODP 29 5 260 10 1 72 3 TEFC 27 4 207 9 6 83 9 ODP 43 4 271 118 15 1 94 TEFC 42 5 282 122 9 14 8 99 ODP 57 0 373 160 8 19
60. des an interprocessor communications bridge IPCB RHI can be located up to 1 000 feet 304 8 m from the unit A single RHI can be used to monitor and control up to four self contained units each containing an IPCB The main menus of the human interface panels are 44 PKG PRCOOS3U EN e TRANE Controls e STATUS is used to monitor all temperatures pressures humidities setpoints input and output status e CUSTOM allows the user to customize a status report which can consist of up to four screens of data available in the main STATUS menu e SETPOINT is used to edit all factory preset default setpoints e DIAGNOSTICS allows the user to review active and historical lists of diagnostic conditions A total of 49 different diagnostics can be read at the human interface HI panel and the last 20 diagnostics can be held in an active history buffer log at the HI panel e SETUPallowstheuserto edit control parameters sensor selections setpoint source selections output definitions and numerous other points in this menu All points have factory preset values to keep unnecessary editing to a minimum e CONFIGURATION allows changing of factory preset unit configuration information This information can be edited only if certain options are field installed or deleted from the unit For example if a Tracer LCI I communication interface module or ventilation override module VOM were field installed the unit configuration
61. dicate a cooling system failure HEAT glows continuously during heating cycles or blinks to indicate a heating system failure e SERVICE blinks or glows to indicate a problem These signals vary depending on the particular equipment used PKG PRCOOS3U EN PKG PRC003U EN BAYSENS074 e TRANE Controls Figure 27 Zone temperature sensor w timed override buttons and local setpoint adjustment Accessory Model Number Digit 6 C BAYSENS074 BAYSENS073 This zone sensor is for use with cooling heating Integrated Comfort Systems ICS It provides the following features and system control functions Remote temperature sensing in the zone A timed override button to move an Integrated Comfort System or a building management system from unoccupied to occupied mode Setpoint thumbwheel for local setpoint adjustment Cancel button to cancel the unoccupied override command Figure 28 Zone temperature sensor w timed override buttons Accessory Model Number Digit 6 B BAYSENS073 This zone sensor is for use with cooling heating Integrated Comfort Systems ICS It provides the following features and system control functions Remote temperature sensing in the zone A timed override button to move an ICS or building management system from it unoccupied to occupied mode Cancel button to cancel the unoccupied override command 55 e TRANE Electrical Data Selection Procedures RLA Rated Loa
62. e TRANE Product Catalog Commercial Self Contained Modular Series 20 35 Ton Water Cooled Air Conditioners 20 32 Ton Air Cooled Air Conditioners Remote Air Cooled Condensers June 2014 PKG PRC003U EN CED rand e TRANE Introduction Figure 1 Affordable self contained value from Trane e Modular design allows the fan coil section to split apart from the compressor section 35 wide base that fits through standard door openings Trane 3 D Scroll compressors give reliable efficient and quiet operation e Unit mounted microprocessor control with human interface panel Hinged and removable control panel door for easy access e Waterside or airside economizer for free cooling Two bolt connection on cleanable condenser for quick easy maintenance e Waterside valve package option to enhance system efficiency Sight glasses with ports for viewing unit while running 2 inch flat filter box inside unit casing e Energy saving with variable frequency drive VFD Sloped drain pan for indoor air quality 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 Trademarks Trane and theTrane logo are trademarks ofTrane i
63. e air enthalpy is BTUs Ib less than the return air enthalpy During occupied mode the outside air damper opens to 15 adjustable 0 100 for ventilation purposes Also the ability to alter the outside air damper position to compensate for VAV supply air modulation is inherent in the unit controls and can be enabled by the operator The mixing box fabrication is galvanized steel Opposed low leak damper blades are fabricated from galvanized steel and rotate on rustproof nylon bushings A factory installed 24V modulating spring return actuator controls both damper positions Standard Two Position Damper Interface Units with the two position damper interface are provided with a 0 10 VDC control output suitable for controlling a field provided modulating actuator In occupied mode the output drives to the maximum position Airside Economizer Interface Units with airside economizer interface are equipped with the necessary control sequences to allow using outside air for the first stage of cooling in occupied or unoccupied mode and when ambient conditions are favorable for economizing Inherent in the unit controller is the ability to suppress the setpoint below the normal unit setpoint This allows the building to improve comfort levels when possible and at the same time optimize building mechanical cooling operation for peak operating efficiency An outside air temperature and relative humidity sensor are provided for field installation to
64. e table to determine the gross total and sensible capacities at the desired cfm Multiply the condenser water deltaT by the total capacity cfm correction factor to determine the new deltaT Calculate supply fan motor heat by using the following equation Fan motor heat MBh 2 8 x fan motor brake horsepower Determine net total and sensible capacity by subtracting fan motor heat from gross total and sensible capacity Refer to the Trane psychometric chart to determine leaving air temperatures Design Conditions Total gross capacity required 368 7 MBh 31Tons Total sensible capacity required 2 259 MBh Entering air temperature 80 67 F Entering water temperature 85 gpm 105 17 e TRANE Selection Procedure 18 Selection Procedure Airflow 14200 cfm at 2 5 inch duct static pressure Unit to include Constant Volume Waterside economizer Medium velocity throwaway filters Unit Selection Tentatively select a 35 ton unit Refer to Table 13 p 36 to obtain gross total and sensible unit capacities and gpm at the design conditions Total capacity 370 MBh Sensible capacity 282 MBh LWT 95 4 F Since the design cfm is greater than the nominal cfm adjust the capacities and condenser water delta T to reflect the higher cfm design cfm nominal cfm 14 240 14 000 3 from nom Cfm Refer to Table 6 p 29 to obtain the capacity correction factors for 3 of nominal cfm Cooling capacity multiplier 1 005
65. e zt SA static pressure setpoint Each of the five 5 relay outputs can be mapped to any all of the available diagnostics Demand Limiting Binary Input This function is operational on units with a GBAS and reduces electrical consumption at peak load times There are two types of demand limiting 50 and 10096 When demand limiting is needed mechanical cooling and heating operation are either partially 50 or completely disabled 100 to save energy The demand limit definition is user definable atthe human interface panel Demand limit binary input accepts a field supplied switch or contact closure When the need for demand limiting has been discontinued the unit s cooling heating functions will again become fully enabled Evaporator Coil Frost Protection FROSTAT The FROSTAT system uses a temperature sensor on the evaporator to determine if the coil is getting close to a freezing condition If so mechanical cooling capacity is shed as necessary to prevent icing 47 e TRANE Controls 48 Also the FROSTAT system eliminates the need for hot gas bypass It uses a suction line surface temperature sensor mounted near the TXV bulb location to shut off cooling when coil frosting conditions occur The supply fan does not shut off and will de ice the coil Timers prevent the compressors from rapid cycling Occupied Unoccupied Switching There are four ways to switch occupied unoccupied status 1 Programmable night setback sensor
66. eat coil Table 34 Electric heat coil dimensions amp weight in Ibs unit size A B weight 20 tons 70 1 4 4 7 8 11 1 2 19 460 25 tons 70 1 4 4 1 8 11 1 2 19 460 30 35 tons 70 1 4 2 7 8 11 1 2 19 460 Note Coil box height is 8 in Figure 41 Flexible horizontal discharge plenum Pa A lt L Table 35 Flexible horizontal discharge plenum dimensions amp weights in Ibs 20 35 tons A B weight low height 35 17 1 4 86 1 2 262 standard height 35 25 1 4 86 1 2 352 PKG PRCOOS3U EN 67 e TRANE Dimensions and Weights Figure 42 Waterside economizer 53 3 4 AIR INLET Table 36 Waterside economizer dimensions amp weight in Ibs weight unit size A B D 2 row 4 row 20 35 tons 53 3 4 10 2825 8 371 4 488 584 Figure 43 Airside economizer DAMPER OPERATOR SEE DETAIL A SEE DETAIL B ELECTRICAL LEAD FROM DAMPER OPERATOR TO CONTROL BOX LIFT ON BOTTOM EDGE TC BOTH ENDS Table 37 Airside economizer dimensions amp weight in Ibs unit size A B 1 F 2 G 1 G 2 H 1 H 2 J K L M weight SCWG SIWG 20 25 36 655 8 37 741 4 61 8 561 2 493 4 231 4 201 2 55 8 7 201 2 171 8 SCRG SIRG 20 12 493 4 273 SCWG SIWG 30 35 36 655 8 37 741 4 61 8 613 8 623 4 281 8 201 2 31 4 7 201 2 171 8 51 2 623 4 273 SCRG SIRG 25 32 68 PKG PRCOOS3U EN e TRANE Dimensions and Weights Fig
67. elerate as required to maintain the supply static pressure setpoint Bypass control is offered as an option to provide full nominal airflow in the event of drive failure Manual bypass is initiated at the human interface panel When in the bypass mode VAV boxes will need to be fully opened The self contained unit will control heating and cooling functions to maintain setpoint from a user defined zone sensor Supply Air Static Pressure Limit The opening VAV boxes are coordinated during unit start up and transition to from occupied unoccupied modes to prevent over pressurization of the supply air ductwork However if for any reason the supply air pressure exceeds the user defined supply air static pressure limit that was set at the human interface panel the supply fan VFD shuts down The unit is then allowed to restart up to three times If the over pressurization condition occurs on the third restart the unit shuts down and a manual reset diagnostic displays at the human interface panel IntelliPak Units Zone Temp Control Sequence Of Operation PKG PRCOOS3U EN 1 Occupied Zone Temperature Control Cooling Waterside Economizer During occupied cooling mode the waterside economizer option and mechanical cooling function to control zone temperature If the entering condenser water temperature is appropriate to use 49 e TRANE Controls 50 free cooling the economizer initiates to attempt to satisfy the cooling zone te
68. er terminal block is standard Flexible Horizontal Discharge Plenum Low and Standard Height Units are provided with a ship separate or factory installed horizontal discharge plenum that permits multi directional duct connections The plenum is insulated with two inches of 1 75 Ib density fiberglass for sound attenuation Discharge openings can either be field cut or factory cut a two inch duct collar is provided with factory cut holes Plenums are also available with double wall perf High Duct Temperature Thermostat A factory supplied temperature limit switch with reset element detects the supply air duct temperature This sensor should be field installed downstream from the unit s discharge in the supply air duct If the supply air duct temperature exceeds 240 F the unit shuts down and displays a diagnostic A manual reset is required at the unit The high duct temperature can be adjusted at the thermostat Plenum High Static Switch A factory supplied sensor provides additional protection from ductwork over pressurization This sensor should be field installed downstream of the unit s discharge in the supply air duct Protective Coating The unit exterior and exposed interior surfaces have a four to six mil coat of protective coating A three to five mil coat of protective coating is applied to the coil using a multiple dip and bake process Cupro Nickel Condenser One condenser is provided for each compressor The condensers are
69. ering air temperature limit with waterside economizer or hydronic heat Optional Features e Trane LCI I communication interface module ICS interface control module e BACnet Communications Interface Module e Generic BAS interface e Comparative enthalpy control e Ventilation override with up to five external inputs e Remote human interface controls up to four units e Waterside modulating condensing temperature control valves include factory installed piping and control wiring e Removable cast iron headers on cleanable waterside economizer e Refrigerant suction discharge line service shut off valves e Protective coating on unit and or evaporator coils e Double wall construction e Stainless steel sloped drain pan e Medium efficiency throwaway filters e Through the door non fused disconnect switch e High duct temperature thermostat e Dual electrical power connection e CO2 reset input e Trane s air quality Traq damper in mixing box Factory Installed or Ship Separate Options e Waterside economizer with factory installed piping and controls e Flexible horizontal discharge plenum with or without factory cut holes double wall perf e Heating options include hot water steam and electric field installed only Field Installed Accessories e Airside economizer control with or without mixing box e Wireless comm interface WCI e Programmable sensors with or without night set back CV and e ICS zone sensors used with
70. ese less acoustically sensitive areas using vertical or horizontal fresh air shafts Consult code requirements for fresh air and smoke purge constraints Figure 4 Equipment room location and orientation Stairwell Supply Air Mechanical Room Self Contained Unit S Return Air Ductwork Duct the return air into the mechanical equipment room Connect ductwork to the unit if local code dictates The return air ductwork must have an elbow inside the equipment room Extend the ductwork from the elbow far enough to block the line of sight to the exterior of the equipment room Use aminimum ductwork length of 15feetto the equipment room exterior Linethe duct with two inch three pound density insulation Use multiple small return ducts for better acoustical performance to the occupied space Supply Air Ductwork Insulate the supply air duct with two inch three pound density insulation Extendthis lining atleast 15 feet out from the equipment room wall keeping the duct aspect ratio as small as possible Minimize large flat panels since they transmit sound In addition small aspect ratios will minimize potential oil canning of the duct due to flow turbulence 12 PKG PRCOOS3U EN e TRANE Application Considerations The flexible horizontal discharge plenum option helps avoid complicated ductwork transitions Ductwork turning vanes typically improve pressure drop but degrade acoustical performance Recomme
71. esh air dampers open The rate of economizer modulation is based on deviation of the discharge temperature from setpoint i e the further away from setpoint the faster the fresh air damper will open First stage of cooling starts after the economizer reaches full open Note that the airside economizer is only allowed to function freely if ambient conditions are below the setpoint control settings or below the return air enthalpy if the unit has comparative enthalpy installed If outside air is not suitable for economizing the fresh air dampers drive to the minimum open position A field adjustable factory default setting in the human interface panel or Tracer Summit can provide the input to establish the minimum damper position At outdoor air conditions above the setpoint or comparative enthalpy control setting only mechanical cooling is used and the fresh air dampers remain at minimum position If the unit does not include an economizer only mechanical cooling operates to satisfy cooling requirements 51 e TRANE Controls 52 Heating Hot Water or Steam On units with hot water or steam heating the supply air temperature can be controlled to a heating setpoint during the occupied mode The supply air temperature heating setpoint and deadband are user defined at the human interface panel VAV occupied heating on hot water and steam heat units initiates by closing a field supplied switch or contacts connected a changeover
72. g Option The unit s interior and exterior shall have a 4 to 6 mil coat of protective coating applied with an air dry process The condenser coil shall have a 4 to 6 mil coat of protective coating applied by a multiple dip and bake process Low Ambient Damper Option Standard ambient control allows operation down to 45 F by cycling the condenser fans Low ambient control damper shall allow the unit to operate down to 0 F by utilizing additional fan cycling and an external damper assembly The low ambient control damper shall include a damper assembly Low ambient dampers used with air cooled units with a thermostat interface use a 2 10 vdc modulating damper actuator controlled from the unit control panel Low ambient dampers used with IntelliPak air cooled units are controlled by the air cooled unit s DDC controller Louvered Coil Guards Option The unit coils shall be covered with a factory installed decorative louvered grill type panel for protection Agency Listing The unit shall have the US Canada Underwriter s agency listing 87 c UL us LISTED S TRANE Trane optimizes the performance of homes and buildings around the world A business of Ingersoll Rand the leader in creating and sustaining safe comfortable and energy efficient environments Trane offers a broad portfolio of advanced controls and HVAC systems comprehensive building services and parts For more information visit www Trane com Trane has a policy of con
73. head pressures Reference the service clearance section for recommended lateral distances Ambient Limitations Standard ambient control allows operation down to 45 F with cycling of condenser fans Units with the low ambient option are capable of starting and operating in ambient temperatures down to 0 Optional low ambient units use a condenser fan damper arrangement that controls condenser capacity by modulating damper airflow in response to saturated condenser temperature Maximum cataloged ambient temperature operation of a standard condenser is 115 F Operation at design ambient above 115 F can result in excessive head pressures PKG PRCOOS3U EN TRANE Selection Procedure Unit Capacities Following is a sample selection for a standard applied water cooled self contained at particular operating conditions Use Trane Official Product Selection System TOPSS for making all final selections or contact your local Trane sales office 8 Determine entering air temperature dry bulb and wet bulb and entering water temperature Refer to performance Table 7 p 30 through Table 19 p 41 to find gross total and sensible capacity that best meets capacity requirements Apply the cfm correction factors from the capacity correction factor Table 6 p 29 to determine gross total and gross sensible capacities at desired cfm Multiply condenser water deltaT by the total capacity cfm correction factor to determine new condenser water
74. human interface HI panel make self contained units more flexible and easier to operate Controls are Trane designed to work with Trane equipment for optimum efficiency The factory installs and commissions each control component to ensure simple and reliable operation Furthermore the DDC control s modular design allows greater application flexibility using up to twelve different modules dependent upon unit options You can order exactly what the job requires as options instead of one large control package And since unit features are distributed among multiple printed circuit boards field replacement is easy Depending upon unit options IntelliPak units can operate as 1 stand alone 2 interface with Trane sTracer building management system 3 interface with a generic non Trane building management system Available input and outputs are listed below by module RTM Module on all units Binary inputs e Emergency stop e External auto stop e Unoccupied occupied Dirty filter VAV changeover with hydronic heat Binary outputs VAN box drive max units only CV Unoccupied mode indicator CV units only e Alarm e Fan run request e Water pump request water cooled only Analog input e Airside economizer damper minimum position Analog output e Outside air damper actuator Heat Module Option e Analog output Generic BAS Option GBAS 42 Binary inputs e Demand limit contacts Binary output
75. ies at design cfm by applying the cfm correction factors from waterside economizer from Table 6 p 29 Use the following correction factors 263 6 MBh x 1 005 264 92 MBh 263 6 MBh x 1 014 267 29 MBh Apply the cooling correction factor to water delta T to determine new delta T of 5 03 F Determine net capacities by subtracting fan motor heat for net total capacity of 194 92 MBh and net sensible capacities of 19729 MBh PKG PRCOOS3U EN Model Number Descriptions Modular Series Self Contained Digit 1 Unit Model S self contained Digit 2 UnitType C commercial industrial Digit 3 Condenser Medium water cooled R remote air cooled Digit 4 Development Sequence G modular series Digit 5 Refrigerant Circuit Configuration U independent R 410A refrigerant Digits 6 7 Unit Nominal Capacity 20 20Tons water or air cooled 25 25Tons water or air cooled 30 30Tons water cooled only 32 32Tons air cooled only 35 35Tons water cooled only Digit 8 Unit Voltage 6 200 volt 60 hz 3 ph 4 460 volt 60 hz 3 ph 5 575 volt 60 hz 3 ph Digit 9 Air Volume Temp Control 2 Pak amp VFD amp supply air temp ctrl 3 Pak amp VFD w bypass amp supply air temp ctrl 4 1 w o vol ctrl w zone temp cool 5 Pak w o vol ctrl w zone temp heat cool 6 I Pak w o vol ctrl w supply air temp ctrl 8 thermostat interface Digits 10 11 Design Seque
76. input on the unit s RTM module Supply Air Setpoint Reset Supply air reset can be used to adjust the supply air temperature setpoint on the basis of a zone temperature or outdoor air temperature Supply air reset adjustment is available from the human interface panel for supply air heating and supply air cooling control Reset based on outdoor air temperature Outdoor air cooling reset is sometimes used in applications where the outdoor temperature has a large effect on building load When the outside air temperature is low and the building cooling load is low the supply air setpoint can be raised thereby preventing subcooling of critical zones This reset can lower usage of mechanical cooling and reduce compressor kW However an increase in supply fan kW may occur Outdoor air heating reset is the inverse of cooling with the same principles applied For both outdoor air cooling reset and heating reset there are three user defined parameters that are adjustable through the human interface panel Beginning reset temperature e Ending reset temperature e Maximum amount of temperature reset Reset based on zone temperature Zone reset is applied to the zone s in a building that tends to overcool or overheat The supply air temperature setpoint is adjusted based on the temperature of the critical zone s This can have the effect of improving comfort and or lowering energy usage The user defined parameters are the same as for outdoo
77. ions bridge IPCB mounted in the unit with twisted wire pair communication wiring and 24V wiring Generic Building Automation System Module GBAS The GBAS module is for use with a non Trane building management system The module provides a binary input for demand limiting four analog inputs for setpoint adjustment and five relay outputs for diagnostic reporting Inputs can use a potentiometer or 0 5 vdc signal Ventilation Override Module VOM The VOM allows you to program the unit with up to five ventilation sequences smoke purge evacuation pressurization purge and purge with duct control Typically a hard wire short from a smoke detector or fire control panel will cause a binary input on the VOM to close thus causing the programmed sequence to occur Tracer LCI I Communication Interface The LCI I provides interface to Trane Integrated Comfort system ICS or third party building management network supporting Lon Talk communication It allows remote control and monitoring of the self contained unit using a personal computer with Tracer building management software BACnet Building Automation System The BACnet Communication Interface for IntelliPak self contained controller expands communications from the unit UCM network to Tracer SC or a 3rd party building automation system utilizing BACnet and allows external setpoint and configuration adjustment and monitoring of status and diagnostics Wireless Comm In
78. ithTrane equipment for optimum efficiency The factory installs and commissions each control component to ensure simple and reliable operation Also the IntelliPak amp self contained unit has a unit mounted human interface panel as standard and a remote option that will monitor up to four units Easy to install e Passes through standard 35 inch door opening e Removable fan coil section from compressor section for those applications that require the unit to be split apart e Ship separate fan coil section for field installation e Removable filter economizer and heating coil sections for added flexibility Flexible e Left or right hand condenser connections for field piping Condenser piping factory manifolded and extended to the unit exterior for a single inlet and outlet Economizer factory piped for either right or left hand connections and extended to the unit exterior for a single inlet and outlet e Free cooling with either waterside or airside economizer options e Hot water steam and electric heating coil options e Control system choices include Thermostat interface for simple constant volume applications Direct digital controls DDC available on the IntelliPak self contained offers the most advanced unit control for constant volume or variable air volume applications available with aTracer LCI I BCI I or generic building automation system interface Easy to operate The Intellipak self contained unit s
79. ive humidity sensor are provided to allow monitoring of reference enthalpy and are field installed Economizer operation enables when the outside air enthalpy is less than 25 BTUs Ib default adjustable 19 28 BTUs Ib During occupied mode the outside air damper opens to 15 adjustable 0 100 for ventilation purposes Also the ability to alter the outside air damper position to compensate for VAV supply air modulation is inherent in the unit controls and can be enabled by the operator The mixing box fabrication is galvanized steel Opposed low leak damper blades are galvanized steel and rotate on rustproof nylon bushings A factory installed 24V modulating spring return actuator controls both damper positions Comparative Enthalpy Control Units with comparative enthalpy control are equipped with the necessary control sequences to allow using outside air for the first stage of cooling in occupied or unoccupied mode and when ambient conditions are favorable for economizing Inherent in the unit controller is the ability to suppress the setpoint below the normal unit setpoint This allows the building to improve comfort levels when possible and at the same time optimize building mechanical cooling operation for peak operating efficiency A factory installed control board with field installed outside and return air temperature and relative humidity sensors allows monitoring of outside and return air Economizer operation enables when the outsid
80. l system components is readily available for evaluation You can control monitor and service your facility all from your personal computer The IntelliPak self contained unit as part ofTrane ICS provides powerful maintenance monitoring control and reporting capabilities Tracer places the self contained unit in the appropriate operating mode for system on off night setback demand limiting setpoint adjustment based on outside parameters and much more You can monitor unit diagnostic conditions through Tracer such as sensor failures loss of supply airflow and an inoperative refrigerant circuit IntelliPak Modular Series Self Contained Monitoring Points Available Using Tracer e Compressor on off status e Ventilation status Condenser water flow status e Heat status e Supply air pressure e Supply air temperature e Suction temperature of each circuit e Entering economizer water temperature e Zone temperature e Entering condenser water temperature e Supply air temperature reset signal Morning warmup sensor temperature e Entering air temperature e TRANE Features and Benefits 10 Tracer Control Points for IntelliPak Modular Series Self Contained Units e Cooling and heating setpoints e VAV discharge air temperature setpoints e Supply air pressure setpoint e Cooling and heating enable disable e Air economizer enable disable e Air side economizer minimum position e Unit priority shutdown Interoperabili
81. levels Low Torque Variation The 3 D Scroll has a very smooth compression cycle imposing very little stress on the motor and resulting in greater reliability Low torque variation reduces noise and vibration Suction Gas Cooled Motor Compessor motor efficiency and reliability is further optimized with the latest scroll design The patented motor cap directs suction gas over the motor resulting in cooler motor temperatures for longer life and better efficiency Proven Design through Testing and Research The new R 410A 3 D Scroll compressor is the next generation of reliable Trane 3 D Scroll compressors provided by Trane the leader in scroll compressor technology Figure 3 One of two matched scroll plates the distiguishing feature of the scroll compressor PKG PRCOO3U EN 11 e TRANE Application Considerations Self Contained Acoustical Recommendations Successful acoustical results are dependent on many system design factors Following are general acoustical recommendations For more information or if there is concern about a particular installation contact a professional acoustical consultant Location and Orientation of the Mechanical Equipment Room Locate the equipment room adjacent to stairwells utility rooms electrical closets and rest rooms if possible See Figure 4 p 12 This minimizes the acoustic effects and risk of workmanship or installation errors Place the discharge and return air ductwork over th
82. mensions and Weights Figure 35 CCRC side view REFRIGERANT CIRCUIT 2 K OD LIQUID REFRIGERANT CIRCUIT 1 M O D L 0D LIQUID N O D OPTIONAL LO HOT GAS CONTROL PANEL F LIQUID LINE CONNECTION REFRIG CIRCUIT 1 G HOT GAS CONNECTION REFRIG CIRCUIT 1 H LIQUID LINE CONNECTION REFRIG CIRCUIT 2 J HOT GAS CONNECTION REFRIG CIRCUIT 2 Table 31 CCRC CIRC electrical connections in mm model A B CCRC CI RC 20 32 4 1 2 114 10 1 2 267 17 1 2 445 Table 32 CCRC CIRC refrigerant connections in mm model E F G H J K L M N CCRC CIRC 20 32 66 7 8 1699 14 3 8 365 18 1 2 470 243 4 629 29 737 5 8 16 7 8 22 5 8 16 7 8 22 64 PKG PRC003U EN Figure 36 Hot water coil left hand connections HOT WATER 4 e TRANE Dimensions and Weights HOT WATER OUTLET INTLET 2 CONNECTION CONNECTION AIR INLET FILTER ACCESS AIR E INLET H 4 J eS m F LEFT VIEW TOP VIEW Table 33 Hot water coil dimensions amp weight in Ibs A B F G H J K weight one row coil 53 3 4 4 7 8 73 1 2 16 5 8 6 3 4 7 1 2 23 1 8 37 1 4 13 4 21 2 415 two row coil 53 3 4 5 1 8 73 1 2 16 5 8 6 3 4 7 1 2 22 3 8 37 1 4 2 3 4 3 5 8 510 Figure 37 Hot water coil right hand connections INTLET OUTLET CONNECTION S ONNES TION AIR INLET
83. mperature setpoint with the compressors staging on as necessary Minimum on off timing of compressors prevents rapid cycling Waterside economizing enables when the unit s entering water temperature is below the unit s entering mixed air temperature by a minimum of 4 F plus the economizer s approach temperature The approach temperature default is 4 F and is adjustable from 0 9 F Waterside economizing disables when the unit s entering water temperature is not below the unit s entering mixed air temperature by at least the water economizer approach temperature The approach temperature defaults to 4 F and is adjustable from 0 to 9 F The economizer acts as the first stage of cooling If the economizer is unable to maintain the zone temperature setpoint the compressor module will bring on compressors as required to meet the setpoint If the unit does not include an economizer only mechanical cooling will satisfy cooling requirements Cooling Airside Economizer During occupied cooling mode the economizer option and mechanical cooling operate to control zone temperature If the outside air enthalpy is appropriate for airside economizing or free cooling the economizer initiates to satisfy the cooling zone temperature setpoint with the compressors staging on as necessary Minimum on off timing of compressors will prevent rapid cycling On units with an airside economizer a call for cooling will modulate the fresh air dampers open The rate
84. n the United States and other countries All trademarks referenced in this document are the trademarks of their respective owners Revision History PKG PRCOOSU EN 09 Jun 2014 Updated to correct 460 75HP ODP Fan motor FLA value and input line current for 575V 15HP with bypass PKG PRCOOS EN 04 Apr 2013 Add wireless comm interface WCI PKG PRCOOS3 EN 15 Oct 2012 Corrected fan motor information Updated fan FLA and LRA values in Electrical Data tables O 2014Trane All rights reserved PKG PRC003U EN Table of Contents 25 22 usus ss yanay u u Haat ex 2 Features and Benefits 5 Why consider Modular Series self contained floor by floor systems 6 Integrated Self Contained Systems 9 Trane R 410A 3 D Scroll Compressor 11 Application Considerations RA ET oes 12 Free Cooling Opportunities and Alternatives 14 Isolation 14 Condenser Water 15 Selection Procedure sas pR Rx e 3 EG 17 Modular Series Self Contained 19 Model Number Descriptions 19 Self Contained Ship With Accessory Model Number
85. nce Factory Assigned Digit 12 Unit Construction A vertical discharge B vertical discharge with double wall horizontal discharge horizontal discharge w double wall vertical discharge ship separate horizontal discharge ship separate horiz dis w double wall ship sep I e Tn m PKG PRC003U EN vert dis w double wall ship sep Digit 13 Plenum Type std plenum w factory cut holes low plenum w factory cut holes std plenum w field cut holes low plenum w field cut holes std plenum double wall perf w field cut holes low plenum double wall perf w field cut holes std plenum w factory cut holes ship separate low plenum w factory cut holes ship separate std plenum w field cut holes ship separate low plenum w field cut holes ship separate std plenum double wall perf w field cut holes ship separate low plenum double wall perf w field cut holes ship separate 0 without plenum Digit 14 MotorType rT m om l H H H Hl c I II V 2 ODP motor 3 TEFC motor Digits 15 16 Motor HP 05 5 hp 07 75hp 10 10hp 15 15hp 20 20hp 25 25hp Digits 17 18 19 Fan RPM 085 850rpm 090 900rpm 095 950rpm 100 1000 rpm 105 1050 rpm 110 1100 rpm 15 1150 rpm 120 1200rpm 12b 1250rpm 130 1300rpm 135 1350rpm 140 1400rpm 145 1450rpm 150 1500 rpm 155 1550 rpm 160 1600 rpm 165 1650 rpm 170
86. nd interface ease The display format shall be in clear language English French Spanish 4 The keypad shall be equipped with 16 individual touch sensitive membrane key switches The switches shall be divided into four separate sections and password protected to preventtampering by unauthorized personnel The six main menus shall be STATUS SETPOINTS DIAGNOSTICS SETUP CONFIGURATION and SERVICE MODE PKG PRCOOS3U EN e TRANE Mechanical Specifications Agency Listing The unit shall have the US Canada Underwriter s agency listing IntelliPak Control Options PKG PRCOOS3U EN Air Volume Temperature Control Zone Temperature Control This option includes a zone sensor microprocessor unit control module a microprocessor compressor controller and a unit mounted human interface panel The unit operates at a design airflow based on the fan and motor drive selections Supply Air Temperature Control With Variable Frequency Drive This option controls the self contained unit from the discharge air temperature using a field mounted variable frequency drive VFD The VFD safely varies the fan motor speed to allow the motor to meet the dynamic requirements at the motor shaft and meet the system static Other control components include a discharge air microprocessor controller and discharge air sensor The microprocessor controller coordinates the economizer control and cooling stages with discharge air temperature reset capabilitie
87. nded Maximum Air Velocities The maximum recommended velocity for the discharge air duct is 2 000 fom The maximum recommended velocity for the return air duct is 1 000 fpm Limit air velocities below these operating points to minimize the risk of flow turbulence that causes regenerated noise Using round supply duct and static regain allows maximum discharge air velocities up to 3 000 fpm Lining round supply duct also substantially lowers frequency noise attenuation However flow regenerated noise potential increases dramatically at air velocities over 3000 fpm Equipment Room Construction Options The preferred equipment room wall construction is concrete block If this is not feasible then a double stud offset wall is suggested See Figure 5 p 13 This removes physical contact that would transmit sound through the equipment room wall to the occupied space Interweave fiberglass insulation between the wall studs Use two layers of sheetrock on each side of the wall Workmanship details are critical to acoustical performance Seal all wall and floor penetrations by the ductwork water piping and equipment room access doors with a flexible material such as caulk and or gasketing to stop noise and air leaks Locate the equipment room door away from acoustically sensitive areas like conference rooms The door should swing out of the equipment room if possible so that the low pressure in the equipment room pulls the door in to help maintain a tigh
88. occupied mode The zone temperature heating setpoint and deadband are user defined at the human interface panel Supply Air Tempering For hot water steam or electric heat units in the heat mode but not actively heating if the supply air temperature drops to 10 F below the occupied zone heating temperature setpoint one stage of heat will be brought on to maintain a minimum supply air temperature The unit transitions out of heat mode if the supply air temperature rises to 10 F above the occupied zone heating temperature setpoint PKG PRCOOS3U EN e TRANE Controls Auto Changeover When the system mode is auto the mode will change to cooling or heating as necessary to satisfy the zone cooling and heating setpoints The zone cooling and heating setpoints can be as close as 2 F apart 2 Unoccupied Zone Temperature Control Cooling and Heating Both cooling and heating modes can be selected to maintain unoccupied zone temperature deadbands For unoccupied periods heating economizer operation or compressor operation can be selectively locked out at the human interface panel IntelliPak Units Supply Air Temp Control Sequence Of Operation PKG PRCOOS3U EN 1 Cooling Waterside Economizer During occupied cooling mode the waterside economizer option and mechanical cooling are used to control the supply air temperature The supply air temperature setpoint and deadband are user defined at the human interface panel Wate
89. of economizer modulation is based on deviation of the zone temperature from setpoint i e the further away from setpoint the faster the fresh air damper will open First stage of cooling will start after the economizer reaches full open Note that the airside economizer is only allowed to function freely if ambient conditions are below the enthalpy control settings or below the return air enthalpy if unit has comparative enthalpy installed If outside air is not suitable for economizing the fresh air dampers drive to the minimum open position A field adjustable factory default setting in the human interface panel or Tracer Summit can provide the input to establish the minimum damper position At outdoor air conditions above the enthalpy control setting only mechanical cooling is used and the fresh air dampers remain at minimum position If the unit does not include an airside economizer only mechanical cooling is used to satisfy cooling requirements Heating Electric On units with electric heating the zone temperature can be controlled to a heating setpoint during the occupied mode by cycling a single stage electric heater Interface is provided for field supplied single stage electric heat The zone temperature heating setpoint and deadband are user defined at the human interface panel Heating Hot Water or Steam On units with hot water or steam heating the zone temperature can be controlled to a heating setpoint during the
90. olume pumps or an external bypass in the water distribution system 15 e TRANE Application Considerations 16 Waterside Economizer Flow Control Units equipped with waterside economizer control valves can be set up for variable or constant water flow Use constant water flow setup on water systems that are not capable of unloading water supply to the unit The economizer and condenser valves will operate in complement to one another to provide continuous water flow Use variable water flow setup with water flow systems that can take advantage of pump unloading for energy savings Since non cooling operation restricts water flow during part load economizing or condensing temperature control it is imperative to install variable volume pumps or an external bypass in the water distribution system Airflow Limitations The minimum recommended airflow for proper VAV system staging and temperature control is 35 of nominal design airflow However using VAV boxes at the appropriate minimum settings will prevent the self contained unit from operating in a surge condition at airflows below this point Continuous operation in a surge condition can cause fan failure See Table 1 p 22 for minimum airflow conditions Modular Series self contained units use fixed pitch sheaves Adjust air balancing by obtaining alternate fixed pitch sheave selections from the local Trane sales office Waterflow Limitations Use 3 gpm ton for optimum unit capaci
91. or shall have lift off hinges Compressors Units shall have multiple compressors with independent circuits for water cooled units and manifolded for air cooled units Compressors shall be manufactured by the unit manufacturer Scroll compressors shall be heavy duty suction cooled type with suction screen centrifugal oil pump with dirt separator oil charging valve and oil sight glass Protective devices for low pressure high pressure and motor temperature shall be provided The compressors shall be mounted on rubber in shear isolators for vibration isolation Condenser Water cooled unit only One condenser shall be provided for each compressor The condensers shall be shell and tube design with removable heads and mechanically cleanable tubes Tubes shall be 34 inch OD and constructed of copper Condenser waterside working pressure shall be 400 psig All condenser water piping including cleanouts shall be factory installed to provide single connections for water inlet and outlet Evaporator The evaporator coil shall be seamless copper tubes expanded into aluminum fins Tubes shall be Ve inch OD with internally enhanced surfaces Coil shall have staggered tube arrangement with intertwined circuiting and no more than 12 fins per inch The drain pan shall be positively sloped in all directions to ensure proper condensate removal The drain pan shall be fabricated of galvanized steel and insulated with 34 inch of 1 Ib density fiberglass Drain
92. r air reset Supply Air Tempering Hot Water and Steam Units Only When supply air temperature falls below the supply air temperature deadband low end the heating valve modulates open to maintain the minimum supply air temperature setpoint 2 Zone Temperature Control Unoccupied Zone Heating and Cooling During unoccupied mode the unit operates as a CV unit with fan cycling as needed for building load VAV boxes drive full open However unit airflow modulation control operates to maintain duct static setpoint The unit controls zone temperature within the unoccupied zone cooling and heating heating units only deadbands Daytime Warmup During occupied mode if the zone temperature falls to a preset user defined zone low limit temperature setpoint the unit is put into daytime warmup The system changes over to CV heating the VAV boxes are drive full open However unit airflow modulation control operates to maintain duct static setpoint and full heating capacity is provided until the daytime warmup setpoint is reached The unit is then returned to normal occupied mode PKG PRCOOS3U EN e TRANE Controls Zone Sensor Options PKG PRC003U EN Standard on all units BAYSENS077 Figure 23 Standard with all units Zone temperature sensor Accessory Model Number Digit 6 A BAYSENS077 This wall mounted zone sensor ships with all IntelliPak Modular Series units Additional sensors are available for order using the accessory
93. rain pan e Stainless steel sloped drain pan option e Internally trapped drain connection e Double wall construction option e Matt faced fiberglass insulation e High efficiency throwaway filter option 6 PKG PRCOOS3U EN PKG PRC003U EN e TRANE Features and Benefits Easily cleanable evaporator condensers and waterside economizers Filter access door allows easy removal to encourage frequent filter changing Airside economizer option with Traq damper allows direct measurement and control of outdoor air Enhanced Serviceability Self supporting removable panels Quick access service panel fasteners Refrigerant line sight glasses in view during operation Easy to adjust setpoints and operating parameters using the human interface panel on IntelliPak units Standard Features 20 through 35 ton industrial and commercial water cooled self contained units 20 through 32 ton industrial commercial remote air cooled self contained units IntelliPak DDC controls or thermostat interface Improved 3 D scroll compressor Constant volume CV or variable air volume VAV operation Low ambient compressor lockout adjustable control input EISA efficiency supply fan open drip proof ODP or totally enclosed fan cooled TEFC motor options Emergency stop input Refrigeration circuits are completely factory piped and tested on water cooled units Water cooled condensers are factory piped and tested mechanically cleanable Two
94. rements using outside air for free cooling It also reduces tower make up water needs and related water treatment Disadvantages include building requirements that locate the mechanical room and self contained unit toward an exterior wall to minimize ductwork building barometric control or additional air shafts Also airside economizers require additional mechanical room space Isolation Recommendations 14 Unit The Modular Series unit is internally isolated so that external isolation is not required Consult a vibration specialist before using external isolation The Trane Company does not recommend double isolation If isolation external to the unit is preferred remove internal isolators Ductwork Design duct connections to the unit using a flexible material Consult local codes for approved flexible duct material to prevent fire hazard potential Piping Connections Rubber isolator connectors are recommended for condenser piping to prevent vibration transmission to or from the building plumbing The Modular Series self contained unit is internally isolated and does not require additional isolation However do not forget to design proper system vibration isolation to prevent vibration transmission from the building plumbing to the unit Also be sure that the drain line is properly isolated PKG PRCOOS3U EN e TRANE Application Considerations Condenser Water Piping PKG PRC003U EN Piping Location and Arrangement Pro
95. required to meet the setpoint The waterside economizer includes a coil modulating valves controls and piping with cleanouts The coil construction is 2 inch OD seamless copper tubes expanded into aluminum fins The evaporator and economizer coils share a common sloped IAQ drain pan Drain pan options are either galvanized or stainless steel and are insulated and internally trapped The waterside economizer coil is available with either a two or four row coil with no more than 12 fins per inch The tubes are arranged in a staggered pattern to maximize heat transfer The coil has round copper supply and return headers with removable cleanout and vent plugs The optional mechanical cleanable economizer has removable cast iron headers to allow easy mechanical cleaning of the tubes The waterside working pressure is rated for 400 psig 2758 kPa Airside Economizer Units with the airside economizer option are equipped with the necessary control sequences to use outside air for the first stage of cooling in occupied or unoccupied mode and when ambient conditions are favorable for economizing Inherent in the unit controller is the ability to suppress the setpoint below the normal unit setpoint This allows the building to improve comfort levels when possible and at the same time optimize building mechanical cooling operation for peak 81 e TRANE Mechanical Specifications 82 operating efficiency An outside air temperature and relat
96. rol Units equipped with a waterside economizer can be set from the human interface panel for variable or constant water flow Constant Water Flow Two way modulating control shutoff valves are wired controlled and installed in the unit One valve is located in the economizer s water inlet and the other is in the condenser bypass water inlet When the waterside economizer enables the two way valves modulate to maintain the discharge air temperature setpoint As the economizer valve opens the condenser bypass valve closes and vice versa Full water flow is always maintained through the condensers Both valves will close in the event of a power failure Variable Water Flow Two way modulating control shutoff valves are wired controlled and installed in the unit One valve is located in the economizer s water inlet and the other is in the condenser bypass water inlet When the economizer valve is active the condenser bypass valve closes The economizer valve modulates thus water flow through the unit is modulates If the water is cool enough for economizing but mechanical cooling is also required the economizer valve fully opens to establish full water flow through the condensers Whenever the water is too warm for economizing and there is acall for cooling the economizer valve fully closes and the bypass valve fully opens establishing full water flow through the condensers Full water flow is always maintained through the condensers when
97. rside economizing enables when the unit s entering water temperature is below the units entering mixed air temperature by a minimum of 4 F plus the economizer s approach temperature The approach temperature defaults to 4 F and is adjustable from 0 9 F Waterside economizing disables when the unit s entering water temperature is not below the unit s entering mixed air temperature by at least the water economizer approach temperature The approach temperature default is 4 F and is adjustable from 0 9 F The economizer acts as the first stage of cooling If the economizer is unable to maintain the supply air setpoint the compressor module will bring on compressors as required to meet the setpoint If the unit does not include an economizer only mechanical cooling is used to satisfy cooling requirements Cooling Airside Economizer During occupied cooling mode of operation the airside economizer option and mechanical cooling are used to control the supply air temperature The supply air temperature setpoint and deadband are user defined at the human interface panel If the temperature of the mixed air is appropriate to use free cooling the economizer initiates to attempt to satisfy the supply air setpoint then if required the mechanical cooling stages on to maintain supply airtemperature setpoint Minimum on off timing of the mechanical cooling prevents rapid cycling On units with an airside economizer a call for cooling will modulate the fr
98. rves include refrigerant coil and internal cabinet static losses To determine static pressure to use with these curves add filter economizer flexible horizontal discharge plenum and heat pressure drops to external duct static pressure PKG PRCOOS3U EN 31 e TRANE Performance Data 25 ton Water Cooled Table 9 SCWG SIWG 25 economizer 10 000 cfm full capacity coil low capacity coil 45 F 55 F 45 F 55 F EDB EWB flow total sensible LWT total sensible LWT total sensible LWT total sensible LWT F F gpm MBh MBh F MBh MBh F MBh MBh F MBh MBh F 63 236 9 225 2 52 5 154 9 154 9 59 9 153 6 153 6 49 9 105 1 105 1 58 3 62 75 251 4 231 2 51 7 160 9 160 9 59 3 162 0 162 0 49 3 110 2 110 2 57 9 80 256 4 233 3 51 4 162 8 162 8 59 1 164 7 164 7 49 1 111 8 111 8 57 8 63 292 6 184 8 54 3 174 1 141 4 60 5 184 6 129 7 50 9 110 6 103 7 58 5 75 67 75 317 7 194 5 53 5 186 1 145 6 60 0 202 1 136 2 50 4 118 3 106 3 58 2 80 326 5 197 9 53 2 90 4 147 2 60 0 208 2 138 4 50 2 121 1 107 3 58 0 63 372 7 149 0 56 8 245 1 105 5 62 8 235 1 97 5 52 5 155 8 71 6 59 9 72 75 406 4 161 0 55 8 267 0 112 7 62 1 257 9 105 2 51 9 169 9 76 1 59 5 80 418 1 165 2 55 5 274 6 115 2 61 9 265 8 107 9 51 6 174 9 77 7 59 4 63 266 7 266 7 53 5 193 7 193 7 61 2 179 4 179 4 50 7 131 5 131 5 59 2 62 75 277 9 277 9 52 4 201 1 201 1 60 4 189 1 189 1 50 0 137 8 137 8 58 7 80 281 6 281 6 52 0 203 5 203 5 60 1 192 3 192 3 49
99. s Dirty filter relay PKG PRCOOS3U EN e Controls Refrigeration fail relay e Heat fail relay Supply fan fail relay e Active diagnostics Analog inputs Occupied zone cooling setpoint Occupied zone heating setpoint e Unoccupied zone cooling setpoint e Unoccupied zone heating setpoint or minimum outside air flow setpoint e Supply air cooling setpoint Supply air heating setpoint e Supply air static pressure setpoint Comparative Enthalpy Option ECEM Analog inputs e Return air temperature e Return air humidity Ventilation Override Module Option VOM Binary inputs e VOM mode A unit off e VOM mode B pressurize e VOM mode C exhaust e VOM mode D purge e VOM mode E purge w duct pressure control Binary output e V O relay LonTalk Building Automation System LonTalk Communication Interface for IntelliPak self contained LCI I controller expands communications from the unit UCM network to a Trane Tracer Summit or a 3rd party building automation system utilizing LonTalk and allows external setpoint and configuration adjustment and monitoring of status and diagnostics The utilizes an FTT 10A Free Topology transceiver which supports nonpolarity sensitive free topology wiring which allows the system installer to utilize star bus and loop architectures This controller works in standalone mode peer to peer with or more other units or when connected to a Trane
100. s The VFD receives a 0 10vdc signal from the unit microprocessor based upon supply static pressure and causes the drive to accelerate or decelerate as required to maintain the supply static pressure setpoint Supply Air Temperature Control With Variable Frequency Drive with Bypass Manual bypass control provides full nominal airflow and zone temperature control in the event of a drive failure The VFD with bypass is field mounted A motor overload relay and fuses are provided to properly size motor protection during both drive and bypass modes Waterside Economizer The waterside economizer option takes advantage of cooling tower water to either pre cool the entering air to aid the mechanical cooling process or if the water temperature is low enough provide total system cooling Waterside economizing enables when the unit s entering water temperature is below the unit s entering mixed air temperature by a minimum of 4 F plus the economizer s approach temperature The approach temperature default is 4 F and adjustable from 0 to 9 F Waterside economizing disables when the unit s entering water temperature is not below the unit s entering mixed air temperature by at least the water economizer approach temperature The approach temperature defaults to 4 F and is adjustable from 0 9 F The economizer acts as the first stage of cooling If the economizer is unable to maintain the supply air setpoint the unit control module brings on compressors as
101. t seal Figure 5 Double stud offset wall with interwoven insulation PKG PRCOOS3U EN 13 e TRANE Application Considerations Free Cooling Equipment Options The flexible horizontal discharge plenum allows multiple tested outlet options This minimizes the risk of acoustic and or pressure drop problems by avoiding complex transitions close to the fan discharge Static Pressure Versus Acoustics Design the system to minimize the total static pressure required from the self contained unit fan Typically a change in static pressure of only 0 5 inches can reduce NC level by approximately 2 or 3 in the occupied space Opportunities and Alternatives Free cooling is available with either airside or waterside economizers The advantages and disadvantages of each type are listed as follows Waterside Economizer The waterside economizer substantially reduces the compressor energy requirements because it uses the cooling water before it enters the condensers Additional equipment room space is not required since the coils are contained within the overall unit dimensions Disadvantages include higher airside pressure drop and a higher head on condenser water pumps The coils may be mechanically cleanable optional for ease in maintenance versus expensive and difficult chemical cleaning methods Airside Economizer The airside economizer substantially reduces compressor cooling tower and condenser water pump energy requi
102. t service Fan shaft removal Right 36 in 914 mm Provides uniform airflow Inlet 18 in 457 mm Provides uniform airflow Figure 54 Top view SCWG SIWG SCRG SIRG minimum clearances Air Inlet 18 457 2 See Table 36 914 4mm 42 1066 8mm N Control Panel Note Whenunitis ordered with horizontal supply ensure that all applicable codes are considered when installing equipment Special attention should be made to overhead clearances of unit ducting to meet code requirements Figure 55 Top view CCRC CIRC 20 29 32 minimum clearances 78 96 2132 mm 48 1066 mm lt 2775 ES 48 1066 mm d Ld 96 2132 mm bow Control Panel PKG PRCOOS3U EN TRANE Mechanical Specifications Modular Series Self Contained PKG PRCOOS3U EN Cabinet The unit framework shall be formed structural steel members of galvanized steel Exterior panels shall be fabricated from galvanized steel The fan and compressor sections shall be insulated with 34 inch of 1 75 Ib cu ft density fiberglass insulation The unit shall be provided with removable panels to allow service access to compressors condensers fan motor fan bearings coils and valves Removable panels shall be secured with quick acting fasteners The refrigerant sight glasses shall be accessible during operation The control panel do
103. td 1 000 1 000 3 1 005 1 014 6 1 009 1 027 20 0 970 0 910 10 0 985 0 955 Waterside economizer Std 1 000 1 000 3 1 005 1 014 6 1 009 1 027 29 e TRANE Performance Data Water Cooled Unit Performance 20 ton Water Cooled Table7 SCWG SIWG 20 economizer full capacity 8 000 cfm full capacity coil low capacity coil 45 F 55 F 45 F 55 F EDB EWB flow total sensible LWT total sensible LWT total sensible LWT total sensible LWT F F MBh MBh F MBh MBh F MBh MBh F MBh MBh F 50 135 9 135 9 60 4 142 6 142 6 50 7 96 5 96 5 58 9 62 60 139 7 139 7 59 6 152 1 149 8 50 1 99 9 99 9 58 3 70 142 3 142 3 59 1 157 5 152 0 49 5 102 4 102 4 57 9 50 158 5 121 2 61 3 179 3 118 3 52 2 104 8 91 6 59 2 75 67 60 167 9 124 5 60 6 192 5 123 3 51 4 110 9 93 7 58 7 70 175 4 127 2 60 0 202 3 127 0 50 8 115 8 95 4 58 3 50 224 9 94 1 64 0 229 0 92 7 54 1 149 8 66 3 61 0 72 60 242 1 99 9 63 1 246 2 98 7 53 2 160 6 69 8 60 3 70 255 5 104 4 62 3 259 1 103 3 52 4 169 1 72 5 59 8 50 62 60 70 50 80 67 60 70 50 72 60 70 50 62 60 70 50 169 8 169 8 61 8 166 4 166 4 51 6 120 6 120 6 59 8 174 5 174 5 60 8 172 9 172 9 50 7 124 8 124 8 59 2 177 8 177 8 60 1 177 5 177 5 50 1 127 9 127 9 58 7 175 5 169 9 62 0 182 9 155 4 52 3 120 9 120 9 59 8 182 7 172 5 61 1 194 4 159 7 51 5 125 1 125 1 59 2 188 2 174 5 60 4 203 3 163 1 50 8 128 2 128 2 5
104. terface Field Installed Trane Wireless Comm interface Provides wireless communication between the Tracer SC Tracer Unit Controllers and BACnet Communication Interface BCI modules Remote Air Cooled Condenser CCRC CIRC 86 Cabinet The unit framework shall be formed structural steel members of galvanized steel Panels and access doors shall be galvanized steel The unit exterior shall be phosphatized and finished with air dried enamel paint Refrigerant Circuits and Controls All sizes shall have dual refrigerant circuits and include an integral subcooling circuit for each circuit All necessary controls to run unit fans shall be factory installed The control panel shall include fan motor contactors terminal block connection for compressor interlock and 115 volt control power transformer Condenser Coils The condenser coil arrangement shall be slab type Coils shall be seamless 3 8 inch OD copper tubes expanded into aluminum fins Each circuit shall include an integral subcooler The coil shall be leak tested at 650 psig air pressure Condenser Fans and Motor Vertical discharge direct drive fans shall be statically and dynamically balanced at the factory Motors shall be three phase with permanently lubricated ball bearings built in current and thermal overload protection and weather tight rain slinger over the fan s shaft PKG PRCOOS3U EN PKG PRC003U EN e TRANE Mechanical Specifications Protective Coatin
105. tinuous product and product data improvement and reserves the right to change design and specifications without notice 2014Trane All rights reserved PKG PRC003U EN 09 Jun 2014 We are committed to using environmentally Supersedes PKG PRC003 EN 04 Apr 2013 conscious print practices that reduce waste ingerson Rand
106. tions BTUs Ib less than the return air enthalpy During occupied mode the outside air damper opens to 15 adjustable 0 100 for ventilation purposes Also the ability to alter the outside air damper position to compensate for VAV supply air modulation is inherent in the unit controls and can be enabled by the operator An analog 2 10 VDC output adjustable 0 10VDC is provided to modulate the field provided 30 second damper actuators adjustable 1 255 seconds Basic Water Piping This option is available on units without a waterside economizer and with condenser water applications above 54 F that do not require condensing pressure control Left hand water connections and piping are extended to the unit exterior Manifold piping is factory installed Intermediate Water Piping This option provides condensing temperature control when the unit is configured user defined at the HI for variable water flow with or without a waterside economizer A two way modulating control valve is wired and installed in the unit to maintains a specific range of water temperature rise through the condenser when entering fluid temperature is less than 58 F This option allows the compressor to operate with entering fluid temperature down to 35 F The minimum valve position to maintain minimum condenser flow rates is user defined at the human interface This valve drives closed if the unit shuts down or if a power failure occurs Waterside Economizer Flow Cont
107. ty and efficiency Use 2 5 or 2 gpm ton to reduce pump energy cooling tower and piping costs However these reduced waterflows may impact unit capacity and efficiency by one or two percent Consult the general data section for unit specific waterflow ranges Air Cooled Condenser Location Unobstructed condenser airflow is essential to maintaining capacity and operating efficiency When determining unit placement give careful consideration to assure sufficient airflow across the condenser coils Avoid these two detrimental conditions warm air recirculation and coil starvation Both warm air recirculation and coil starvation cause reductions in unit efficiency and capacity because of the higher head pressure associated with them In more severe cases nuisance unit shutdowns will result from excessive head pressures Clearances Ensure vertical condenser air discharge is unobstructed While it is difficult to predict the degree of warm air recirculation a unit installed with a ceiling or other obstruction above it will experience a Capacity reduction that will reduce the maximum ambient operation Nuisance high head pressure tripouts may also occur The coil inlet must also be unobstructed A unit installed closer than the minimum recommended distance to a wall or other vertical riser will experience a combination of coil starvation and warm air recirculation This may result in capacity and efficiency reductions as well as possible excessive
108. ty with BACnet The Trane Tracer SC BACnet Control Interface for IntelliPak self contained offers a building automation control system with outstanding interoperability benefits BACnet which is an industry standard is an open secure and reliable network communication protocol for controls created by American Society of Heating refrigerating and Air Conditioning Engineers Inc ASHRAE Interoperability allows application or project engineers to specify the best products of a given type rather than one individual supplier s entire system It reduces product training and installation costs by standardizing communications across products Interoperable systems allow building managers to monitor and control IntelliPak equipment with Tracer SC controls or a 3rd party building automation system It enables integration with many different building controls such as access intrusion monitoring lighting fire and smoke devices energy management and a wide variety of sensors temperature pressure humidity occupancy CO2 and air velocity Commissioning control efficiency and information it simply all adds up to one reliable source Trane Trane Wireless Comm Interface WCI The Trane Wireless Comm Interface is the perfect alternative to Trane s BACnet wired communication links for example Comm links between aTracer SC and aTracer UC400 Minimizing communication wire used between terminal products zone sensors
109. umping system With Water Cooled Condensers Units that are set up for variable water flow will modulate a water valve to maintain a user defined condensing temperature setpoint Condensing temperature will be referenced utilizing sensors located at each condenser Head Pressure Control Air Cooled Condensers Condenser fans will stage per a user defined setting If the condenser is equipped with head pressure control air modulation on last stage of condenser capacity the condenser airflow will modulate to maintain condensing temperature setpoint Condensing temperature is determined by sensors located at each condenser Water Purge This user definable feature allows the user to select a purge schedule to automatically circulate water through the economizer and condensers periodically during non operational times This allows fresh chemicals to circulate in waterside heat exchangers Airside Options Variable Frequency Drive VFD Control Variable frequency drives are driven by a modulating 0 10 vdc signal from the RTM module A pressure transducer measures duct static pressure and the VFD adjusts the fan speed to maintain the supply air static pressure within an adjustable user defined range The range is determined by the supply air pressure setpoint and supply air pressure deadband which are set through the human interface panel Variable frequency drives provide supply fan motor speed modulation The drives will accelerate or dec
110. ure 44 Airside economizer detail A DETAIL A SHOWS THE AIRSIDE ECONOMIZER WITH ALL 1 DAMPER CONFIGURATIONS CURRENTLY AVAILABLE AND 2 ALL OPENING DIMENSIONS NECESSARY FOR DUCT WORK Figure 45 Airside economizer detail B STATIC PRESSURE TUBE FROM UNIT 5 gt STATIC PRESSURE TUBE FROM UNIT AND CONNECTOR ON ECONOMIZER ECONOMIZER GASKET Variable Frequency Drive Without ByPass Table 38 W O bypass VFD frame sizes x 200V 460V 575V HP Frame Frame Frame 7 5 B1 A3 A3 10 B1 A3 B1 15 B1 B1 B1 20 B2 B1 B1 25 C1 B1 B1 Notes 1 Table 38 p 69 refers to Figure 46 p 70 through Figure 49 p 73 2 VFD wall mounted by others PKG PRC003U EN 69 e TRANE Dimensions and Weights Figure 46 Frame A3 without bypass 5 28 T 5 SEE DETAIL A cO ud Ce L wa ce CN O T E O no I MOUNTING BASE 0 59 SEE DETAIL B 0 20 0 22 DETAIL A DETAIL B 70 PKG PRC003U EN e TRANE Dimensions and Weights Figure 47 Frame B1 without bypass 10 28 x AIR OUTLET SEE DETAIL A Los pui SEE DETAIL B
111. vide at least 24 inches of clearance between the piping and the unit for service Place the risers away from the side of the unit if possible Be sure to allow sufficient space for valves and unions between the piping and the self contained unit Layout condenser piping in reverse returns to help balance the system This is accomplished by equalizing the supply and return pipe length Multi story buildings may use a direct return system with balancing valves at each floor Install all heat exchangers and most cooling tower piping below the sump operating water level to prevent overflow during unit and or system shut down Recommended Pump Location Pump location is preferred downstream of the cooling tower and upstream of the self contained unit This provides smoother and more stable unit operation When the tower and pump are both roof mounted be sure to provide the necessary net positive suction head pressure to prevent cavitation Raise the tower or submerge the pump in a sump to provide positive suction To prevent an on line pump failure use a standby pump to avoid a complete system shutdown Use several partial capacity pumps or variable speed pumps Review the economics of these alternate pumping options Strainers and Water Treatment Water strainers are required at the unit inlet to eliminate potential unit damage from dirty water Specify a water basket strainer to avoid an incorrect application of a stream strainer Untreated or poorly

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