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Carrier 38APD025-100 Air Conditioner User Manual

1. tie 15 2 1 19 2 1 19 2 198 19 20 138 19 215 19 19 27 etal 14 18 20 1 15 215 19 19 21 19 19 2 19 19 21 1 19 20 13 15 2 19 15 2 8 1 19 278 19 19 27 8 198 19 21 8 19 15 2 8 15 2 29 oso LOMA 1 tts 20 1 15 21 198 19 2 1 19 21 19 19 27 1 19 20 1 1 2 1 198 278 1 19 2 19 2 29 19 2 29 15 0 27 29 15 2 25 LEAL 1 1 2 1 19 27 19 1 215 138 19 2 1 19 2 8 19 275 29 19 27 8 25 1 1 2 1 15 278 1 19 2 19 215 29 19 2 29 15 0 27 29 15 2 25 too EMAL 15 19 2 1 19 21 1 158 215 19 21 29 15 215 29 19 2 29 19 27 8 29 c g 1 1 2 1 19 2 1 19 2 19 2 25 19 2 25 15 2 8 25 19 275 25 LEGEND Not Required CONDENSING UNIT Pipe Suction Riser without Trap Pipe B Suction Riser with Trap 3 FT MAX 914 Pipe C Suction Line Condensing Unit mm 1 Refer to the figure located to the right for suction line piping loc
2. Pipe Suction Riser without Trap Pipe B Suction Riser with Trap 3 FT MAX 914 Pipe C Suction Line Condensing Unit 1 Refer to the figure located to the right for suction line piping locations 2 Pipe sizes are based on an equivalent length equal to the maximum length of interconnecting piping shown for each column plus 50 for fittings 3 Suction and liquid line sizing is based on pressure drop equivalent to 2 F 1 1 C at nominal rating conditions 4 All pipe sizes are OD inches Equivalent sizes in millimeters follow LEGEND Suction Riser EVAPORATOR in mm without Trap Suction Riser Ve 12 7 with Trap 5 8 15 9 Suction Line to 7 22 2 Condensing Unit 8 2 __ Pipe Diameter to be 11 8 28 6 D as Listed in Fig 12 13 s 34 9 15 8 41 3 SUCTION LINE PIPING 21 8 54 0 25 8 66 7 21 LIQUID LINE SOLENOID VALVE Field supplied liquid line solenoid valve s must be installed at the evaporator if coil surface area is exceeded per Table 8 Install liquid line solenoid valve just ahead of the TXVs thermostatic expansion valves which will be mounted at the evaporator See Fig 13 for 38APD025 100 dual circuit units or Fig 14 for 38APS025 050 single circuit units Refer to Table 6 THERMOSTATIC EXPANSION VALVES All 38AP units must be installed with 5 bleed TXVs to ensure proper unit operation To achieve good mixing of the refrigerant leaving t
3. SELECT 38APS025 050 38APD025 100 Air Cooled Condensing Units with PURON Refrigerant R 410A 50 60 Hz Installation Instructions CONTENTS Page SAFETY CONSIDERATIONS 1 1 1 34 Step 1 Inspect Shipment 1 Step 2 Rig and Place Unit 1 DOMESTIC UNITS EXPORT UNITS PLACING UNITS Step 3 Make Refrigerant Piping Connections 17 SIZE REFRIGERANT LINES LIQUID LINE SOLENOID VALVE THERMOSTATIC EXPANSION VALVES LIQUID LINE FILTER DRIER LONG LINE APPLICATIONS HOT GAS BYPASS FINAL CONNECTION AND LEAK TEST EVACUATION AND DEHYDRATION Step 4 Make Electrical Connections 26 POWER SUPPLY POWER WIRING CONTROL POWER FIELD CONTROL WIRING Step 5 Install Accessories 34 LOW AMBIENT OPERATION MISCELLANEOUS ACCESSORIES SAFETY CONSIDERATIONS Installing starting up and servicing this equipment can be hazardous due to system pressures electrical components and equipment location roofs elevated structures etc Only trained qualified installers and service mechanics should install start up and service this equipment Untrained personnel can perform basic maintenance func tions such as cleaning coils All other operations should be performed by trained service personnel When working on
4. se sue zor __ 128 6521 zzoaavet ese 5725 ess over 22064 26 szosavac LINN Qoo 8 v L punos pyepuejs 90705 Ie Leti E 806111 F lt 2714 5 3108 335 1626961 dil Ti 310N 335 ve 310N 335 17 521 0071 7752 007 889 L Hy 56716 m dal 090 070 59215 a 6976 008 061 m eS 90 LHW suoisueuiig HUN 9 LINDYID WAG MIIA 1N0Hd NOTLINNOD 10011 55122 321 435 090 9215 suej jesuepuoo e OGO pue 99215 uondo xoeis yun punos pue 10 46199 Y 1112812 19 NOTL23NNOO NOTLONS Y 1112812 335 N IM NOI121NNOO NOTLONS Aul HE 8 1112812 NOILO3NNOO 011011 8 1112812 9 3108 335 H 55122 39NIH per 08 1041802 18051 02 SNIQVY ANO NMOHS 111 1801214 92 15 08005 HOI 1070921 1226 MAA dOL 3109 215 7 2015 KES NIW 162811 ZL St 310N 338 3018 13NVd prepuei
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7. 43 3 5 23 T we 67 46 wo T 67 ds 39 me C Crowa 4e 39 tae a sa oe Omug 69 69 14e 69 5 T Outdoor Unit End Indoor Unit End H f NOTE Locate long line kit as close to the condensing unit as possible Fig 17 Long Line Option Kit Installation 25 Step 4 Make Electrical Connections A WARNING Before performing service or maintenance operations on unit turn off main power switch to unit Electrical shock could cause personal injury IMPORTANT When starting up this equipment for operation be sure to check tightness of all electrical ter minal connections clamps screws etc as they may have become loose during shipment It is also advisable to re tighten all electrical connections after equipment has been in operation and components have reacted to operating temperature POWER SUPPLY The electrical characteristics of the available power supply must agree with the unit nameplate rating Supply voltage must be within the limits shown in Tables 9 12 See Table 13 for incoming power options IMPORTANT Operating unit on improper supply voltage or with excessive phase imbalance constitutes abuse
8. Full Load Amps conductors only ICF Maximum Instantaneous Current Flow a Incoming wire size range for terminal block with MCA up to LRA Locked Rotor Amps 175 amps is 14 AWG American Wire Gage to 2 0 MCA Minimum Circuit Amps b Incoming wire size range for terminal block with MCA from MOCP Maximum Overcurrent Protection RLA Rated Load Amps NOTES 1 Units are suitable for use on electrical systems where voltage supplied to the unit terminals is not below or above the listed minimum and maximum limits Maximum allowable phase imbalance is voltage 2 amps 10 All units or modules have single point primary power connec tion Main power must be supplied from a field supplied disconnect For MCA that is less than or equal to 380 amps 3 conductors are required For MCA between 381 and 760 amps 6 conductors are required Calculation of conductors required is based on 75 C copper wire 32 175 1 amps to 420 amps is 2 AWG to 600 kcmil c Incoming wire size range for non fused disconnect with MCA up to 100 amps is 14 AWG to 1 0 d Incoming wire size range for non fused disconnect with MCA from 100 1 amp to 200 amps is 6 AWG to 350 kcmil e Incoming wire size range for non fused disconnect with MCA from 200 1 to 450 amps is 3 0 to 500 kcmil 0 LISTED Table 12 38APD Low Sound Condenser Fan Electrical Data 38APD SUPPLY COMPRESSOR CONDENSER FAN UNIT V Ph Hz
9. NO1123NNO2 y 9 310N 135 NOI L23NNO2 NOTLONS 1 011305 8 1112812 V 1102812 55322 Q39NIH E 08 TOYLNOD 59209 Q39N1H 1562221 XOG 1081802 10191 92 ShIQVH T 1 s 5 LATINO NMOHS 111 1801214 271 ANNOS MOT 5 Saye 109 12719221 92799 081802 T 16741821 76001 01313 16291 217 e A MOTE uiv SE 310N 335 gy dO 3015 1102 4 1 EN iH SW 310 335 3015 8 310N 335 1015 13NVd seuoui uwous 76 Husn pejpueu eq uea 8 31 25 OL LON jou s jid e ur uonejeisu NIN ue punos JO 1uBreu yun 79 3214835 162817 21 eoeyuns pijos 6281 Ul ZZ epis Jeeu pue 100 5 Jou dol Se S yun 40 pesn s LLL Leroy v H 1 H Bulzis uo spuedep ezis ejou jenjov NIN ns Hum 1ewod Buneoo si ul 8 V 6281 21 1 3015 1103 eui 10214500 siwu ulo 10 deo jou AOL IY oun Buidid eJ0Jeq sa109 e j
10. i DISCONNECT BRANCH CIRCUIT 1 PROTECTION PER NEC i SEE NOTE 3 TERMINAL BLOCK OO NON FUSED DISCONNECT POWER ENTRY 1 2 380 400 VOLT ONLY Nes EQUIP GND e gm 1 1 1 1 1 1 1 1 1 L L 1 1 1 1 1 FIELD POWER SUPPLY r su Te o DISCONNECT BRANCH CIRCUIT 1 PROTECTION PER NEC SEE NOTE 3 NON FUSED DISCONNECT LEGEND b Incoming wire size range for terminal block with MCA from 175 1 amps to B f 420 amps is 2 AWG to 600 kcmil GND __ ru Ground Incoming wire size range for non fused disconnect with up to 100 amps is 14 AWG to 1 0 NOTES d Incoming wire size range for non fused disconnect with MCA from 1 Factory wiring is in accordance with UL 1995 standards Field modifications 100 1 amp to 200 amps is 6 AWG to 350 kcmil or additions must be in compliance with all applicable codes e Incoming wire size range for non fused disconnect with MCA from 2 All units or modules have single point primary power connection Main 200 1 amp to 450 amps is 3 0 to 500 kcmil power must be supplied from a field factory supplied disconnect 4 Refer to certified dimensional drawings for exact locations of the main power 3 Wiring for main field supply must be rated 75 C Use copper conductors only and control power entrance locations
11. lg 46 54 47 53 40 60 24 20 Typical operating charge with 7 62 m of interconnecting piping Operating charge is approximate for maximum system capacity Unit is factory supplied with nitrogen holding charge Refrigerant charge for dual circuit units is the total for both circuits TMaximum vertical separation between evaporator coil and condensing unit if condensing unit is below the evaporator 264 317 1286 1335 43 5 9 7 3 11 2 3 9000 7500 Drive 7500 6250 3 3 13 9 Circuit 99 21 8 21 8 7 lg 3 46 54 15 100 292 352 Dual 1290 1339 45 4 11 2 3 11 2 3 9000 7500 7500 6250 21 8 25 8 7 lg 23 50 50 17 Table 5 Operational Corner Weights with Refrigerant Charge Approximate 38APS Unit Ib 38APS Unit kg 38APS TOTAL OPERATIONAL CORNER WEIGHT OPERATIONAL CORNER WEIGHT SIZE WEIGHT D D 025 281 127 027 327 148 030 328 149 040 382 173 050 623 620 383 174 TOTAL OPERATIONAL CORNER WEIGHT OPERATIONAL CORNER WEIGHT SIZE WEIGHT D D 025 285 129 027 331 150 030 333 151 040 390 177 050 683 391 178 060 706 423 192 070 723 620 281 080 791 643 292 090 759 700 318 100 759 705 320 B C m a a z gt m o Q o e a EG 2 0 Q o A D TOP VIEW TOP VIEW SIZES 040 TO 060 TOP VIEW SIZES 070 TO 100 SIZES 025 TO 030 Fig 2 Corner Weights CA
12. T 59 Field Power Supply Field Control Wiring NOTES 1 Factory wiring is in accordance with UL 1995 standards Field modifications or additions must be in compliance with all appli cable codes All units or modules have single point primary power connec tion Main power must be supplied from a field or factory supplied disconnect 30 3 Wiring for main field supply must be rated 75 Use copper conductors only a Incoming wire size range for terminal block with MCA mini mum circuit amps up to 175 amps is 14 AWG American Wire Gage to 2 0 b Incoming wire size range for terminal block with MCA from 175 1 amps to 420 amps is 2 AWG to 600 kcmil c Incoming wire size range for non fused disconnect with MCA up to 100 amps is 14 AWG to 1 0 d Incoming wire size range for non fused disconnect with MCA from 100 1 amp to 200 amps is 6 AWG to 350 e Incoming wire size range for non fused disconnect with MCA from 200 1 amp to 450 amps is 3 0 to 500 kcmil Terminals 1 and 2 of the LVT are for the alarm relay The maxi mum load allowed for the alarm relay is 5 va sealed and 10 va inrush at 24 v Field power supply is not required Refer to certified dimensional drawings for exact locations of the main power and control power entrance locations Terminals 24 25 and 2 of the LVT are for the control of the field supplied LLSV The maximum load allowed for the L
13. a Incoming wire size range for terminal block with MCA minimum circuit amps up to 175 amps is 14 AWG American Wire Gage to 2 0 Fig 18 Field Power Wiring RETURN AIR DUCT SUPPLY FAN LEGEND EAT Evaporator Air Temperature Sensor FS1 Fan Status Switch 24 v EVAPORATOR SAT Supply Air Temperature Sensor COIL FS1 can be pressure differential switch shown motor current detection or sail switch Fig 19 EAT and SAT Sensor Layout 27 LVT TERMINAL STRIP I P B P 18 ME 2 e 2 9 I e LLSV A M D k gt m J e lis rece 7777777 sel Not required for single circuit units Fig 20 Constant Volume Application Wiring Diagram 2 Stage Thermostat Control Sizes 025 030 without Digital Scroll Option LVT TERMINAL STRIP 1 Ifl I I L I I ON OFF I 1 gt E mU hi2 Co L ZI wv i m SAT 5 2 E TON a 1 oe BS eee ee E E See Fig 19 for EAT and SAT location TNot required for single circuit units Fig 21 Constant Volume Application Wiring Diagram 2 Stage Thermostat Control with Digital Scroll Option Sizes 025 30 or without
14. or more or any 025 030 size dual circuit unit application where evapo rator is located higher than the condensing unit and liquid lines exceed 55 feet 16 8 m a long line option kit must be installed to prevent compressor failure The long line option kit must be mounted in the liquid line near the con densing unit See Fig 17 LONG LINE APPLICATIONS A long line option kit must be installed for 1 Any 025 030 size dual circuit unit where the evapora tor is located higher than the condensing unit and the linear line length exceeds 55 ft 16 8 m 2 Any size dual or single circuit unit with linear line length of 100 ft 30 5 m or more The kit consists of a liquid line check valve and a bypass check valve to prevent charge migration to compressor The long line option kit must be mounted in the liquid line near the condensing unit The kit may be mounted in any orientation horizontally or vertically See Fig 17 for orientation and Fig 11 for location 22 HOT GAS BYPASS Hot gas bypass is not recommended If hot gas bypass is used it should be introduced before the evaporator FINAL CONNECTION AND LEAK TEST CAUTION The 38AP unit is shipped with a nitrogen holding charge Use caution when relieving unit pressure to avoid possible equipment damage or personal injury Relieve the pressure caused by the nitrogen holding charge Connect liquid line and suction line to field piping Refer to Fig 5 8 f
15. 1 1 C at nominal rating conditions S Suction Line 4 All pipe sizes are OD inches Equivalent sizes in millimeters follow NOTES 1 Shading indicates double suction riser required on units if con in mm densing unit is located higher than evaporator 175 127 2 Pipe sizes are based an equivalent length equal to the max imum length of interconnecting piping shown for each column 5 8 15 9 plus 50 for fittings Example Equivalent length Maximum 7 8 22 2 linear length x 1 5 175 28 6 13 8 34 9 15 8 41 3 21 8 54 0 25 8 66 7 18 Table 7 Refrigerant Piping Requirements cont 38APS025 050 Single Circuit Units 50 Hz TOTAL LINEAR LENGTH OF INTERCONNECTING PIPE ft m ity 2550 5075 75 100 100425 12545 150 175 175 200 SIZE 7 6 15 2 15 2 22 9 22 9 30 5 30 5 38 1 381 457 45 7 53 3 53 3 61 0 SSS su ERE 38APD025 100 Dual Circuit Units 50 Hz TOTAL LINEAR LENGTH OF INTERCONNECTING PIPE ft m 38APD UNIT 2550 5075 75 100 100425 125 3150 150 175 175 200 SIZE 7 6 15 2 15 2 22 9 22 9 30 5 30 5 38 1 38 1 45 7 45 7 53 3 53 3 61 0 L m 13 13 FU 13 13 Em 15 15 vab 21 15 m 218 218 yis 2 2 m 21 278 080 2 25 8 m 27 25 m 25 29 LEGEND 3 Suction and liquid line sizing is based on pressure drop equiva L Liquid Line lent to 2 F 1 1 C at nominal ratin
16. 25 15 2 38APS UNIT SIZE 175 200 53 3 61 0 21 8 25 8 38APD025 100 Dual Circuit Units Double Suction Riser 50 Hz TOTAL LINEAR LENGTH OF INTERCONNECTING PIPE ft m ssAPDUNI 9255 2550 5075 17500 100125 12545 150 175 175 200 SIZE 45 7 53 3 53 3 61 0 Ee p J or Cinta oe e aa aaa pee ee REIS L jJ hoa Ena a prets 8 a ET ERES 78 RET EET a a EET gt l t 2 139 15 2 1 15 2
17. 4 3 4 3 Digital Option 22 22 22 22 22 22 44 33 44 33 CRANKCASE HEATER W each compressor 90 CONDENSER FANS Standard Propeller Type Direct Drive Quantity 2 2 2 2 2 2 3 3 3 3 tls 19 60 Hz 16 50 Hz Diameter mm 762 Total Watts 60 Hz 3300 3300 3300 3300 3300 3300 4200 4200 4200 4200 Total Watts 50 Hz 2750 2750 2750 2750 2750 2750 3500 3500 3500 3500 Low Noise Shrouded Axial Fan Direct Drive Quantity 2 2 2 2 2 2 3 3 3 3 ris 14 60 Hz 12 50 Hz Diameter mm 762 Total Watts 60 Hz 2750 2750 2750 2750 2750 2750 3500 3500 3500 3500 Total Watts 50 Hz 2300 2300 2300 2300 2300 2300 2900 2900 2900 2900 CONDENSER COIL MCHX Type No Coils per Circuit 1 1 sqm 2 5 2 5 3 2 3 2 3 2 3 2 6 3 6 3 6 3 6 3 TEMPERATURE RELIEF Fusible Plug on Liquid Lines of Each Circuit 99 C CONNECTIONS in ODF CKT A CKT B Suction Line 13 8 13 8 EE 13 8 13 8 15 8 13 8 13 8 ae 15 15 8 21 3 15 8 15 8 21 8 Liquid Line E 5 g 7 MAXIMUM HEIGHT FOR 1 7 23 SUBCOOLING CAPACITY PER CIRCUIT CKT A CKT B 50 50 E 50 50 50 50 100 MINIMUM UNIT CAPACITY 33 LEGEND MCHX Microchannel Heat Exchanger ODF Outside Diameter Female Typical operating charge with 7 62 m of interconnecting piping Operating charge is approximate for maximum system capacity Unit is factory supplied with nitrogen holding charge Refrigerant charge for dual circuit units is the tota
18. Packaging 8 Std Packaging Bottom Skid J Bottom Skid Top Crate Bag Controls Communications Options 2 Scrolling Marquee 3 EMM Scrolling Marquee 5 No Display Electrical Options 0 Single Point Power Terminal Block 1 Single Point Power Non Fused Disconnect Ambient Capacity Control Interrupt Options 0 Std Ambient Std Compressor Std Interrupt 2 Std Ambient Digital Compressor Std Interrupt 3 Std Ambient Std Compressor High Interrupt 5 Std Ambient Digital Compressor High Interrupt 6 Low Ambient Std Compressor Std Interrupt 8 Low Ambient Digital Compressor Std Interrupt 9 Low Ambient Std Compressor High Interrupt C Low Ambient Digital Compressor High Interrupt Line Length Options 1 Standard Line Length 2 Long Line Length Check Valves Fig 1 Model Number Nomenclature Table 1 38 025 050 Unit Physical Data English 38AP UNIT SIZE os 027 030 040 050 NOMINAL CAPACITY 50 60Hz tons 25 30 33 40 42 50 CIRCUIT Dual Single Dual Single Dua Single Dual Single OPERATING WEIGHTS Ib Standard 1095 1077 1258 1240 1264 1246 2094 1968 2120 1977 With Low Sound Option 1131 1113 1294 1276 1300 1282 2148 2022 2174 2031 APPROXIMATE REFRIGERANT CHARGE 28 24 30 26 30 26 52 40 52 TYPICAL Ib NITROGEN SHIPPING CHARGE 15 psig COMPRESSOR 1310 1102 1302 13 2 15 2 1502 10 2 13 3 11 2 h
19. VOLTAGE CIRCUIT A CIRCUIT B Total FL MCA MOCP Min Qty RLA LRA ay RLA LRA 208 230 3 60 48 1 48 1 6 0 305 1 380 3 60 237 237 3 9 176 5 025 460 3 60 18 6 18 6 2 9 149 4 575 3 60 14 7 14 7 2 4 119 5 380 415 3 50 18 6 18 6 2 9 142 4 208 230 3 60 6 0 363 3 380 3 60 3 9 173 7 027 460 3 60 2 9 178 9 575 3 60 2 4 133 7 380 415 3 50 2 9 168 9 208 230 3 60 6 0 407 8 380 3 60 3 9 237 8 030 460 3 60 2 9 211 7 575 3 60 2 4 160 5 380 415 3 50 2 9 206 7 208 230 3 60 6 0 359 6 380 3 60 3 9 218 9 040 460 3 60 2 9 185 0 575 3 60 2 4 128 2 380 415 3 50 2 9 178 0 208 230 3 60 6 0 465 5 380 3 60 3 9 225 0 050 460 3 60 2 9 219 0 575 3 60 2 4 165 5 380 415 3 50 2 9 212 0 208 230 3 60 6 0 522 4 380 3 60 3 9 299 4 060 460 3 60 2 9 263 7 575 3 60 2 4 205 1 380 415 3 50 2 9 253 7 208 230 3 60 6 0 564 1 380 3 60 3 9 316 7 070 460 3 60 2 9 273 3 575 3 60 2 4 209 4 380 415 3 50 2 9 268 3 208 230 3 60 6 0 587 2 380 3 60 3 9 347 6 080 460 3 60 2 9 298 2 575 3 60 2 4 236 4 380 415 3 50 2 9 293 2 208 230 3 60 6 0 641 5 380 3 60 3 9 368 1 090 460 3 60 2 9 319 5 575 3 60 2 4 253 5 380 415 3 50 2 9 309 5 208 230 3 60 6 0 655 0 380 3 60 3 9 389 4 100 460 3 60 2 9 330 9 575 3 60 2 4 264 9 380 415 3 50 2 9 325 9 LEGEND 4 Wiring for main field supply must be rated 75 C Use copper FLA Full Load Amps conductors only ICF Maximum Instantaneous Current Flow a Incoming wire size range for terminal block with
20. cke i i 2v 15 2 190 15 218 o etl l gt 1 2 13 15 21 15 2 14 16 2 1 19 2 138 15 275 19 19 21 13 19 27 LEAL is 1 2 13 19 2 19 8 19 2 19 198 21 1 19 21 a 1 15 2 1 19 275 138 196 2 8 1 19 2 8 138 196 21 8 13 19 26 oso LCA 2 2 is 1 2 19 19 2 19 8 19 2 136 19 21 1 19 21 1 1 2 1 15 278 1 19 2 1 19 2 13 19 275 15 0 21 25 15 2 25 oso LEAL 4 15 2 1 1 215 13 19 216 1 19 2 1 198 21 13 1 27 1 1 2 1 15 278 1 19 2 1 19 2a 19 15 275 15 0 21 25 15 21 25 too EMAL 15 19 2 1 19 21 136 158 215 19 19 2 1 19 2 19 2 25 19 218 25 c g 1 1 2 1 19 2 1 19 2 1 19 2 1 19 21 19 2 25 19 2 25 LEGEND Not Required
21. power supply are suitable only for copper conductors Insulation must be rated 75 C minimum 6 Units with high short circuit ratings and terminal block option require that specific fuses be applied to achieve this rating Refer to Table 13 26 CONTROL POWER Control power is obtained from the main power supply and does NOT require a separate source A toggle switch marked Emergency On Off on the unit label diagram and by the switch allows the control circuit to be manually disconnected when necessary Crankcase heaters are in an operable state when this switch is in the Off position field control wiring must comply with applicable local and national codes IMPORTANT For 208 v systems the connection tap for all transformers must be changed The factory default setting is for 230 v Failure to connect to the proper tap may result in unreliable operation FIELD CONTROL WIRING The standard unit control is microprocessor based which supports multiple control configurations See Fig 19 for EAT evaporator air tempera ture sensor and SAT supply air temperature sensor layout Figures 20 24 show specific field wiring depending on unit configuration and desired control requirements Constat Volume Application Control Options 1 Two Stage Thermostat Part No 33CS2PP2S 01 Refer to Fig 20 2 Two Stage Thermostat Part No 33CS2PP2S 01 with Multi Step Control Refer to Fig 21 This thermo stat also req
22. the equipment observe precautions in the literature and on tags stickers and labels attached to the equipment and any other safety precautions that may apply Follow all safety codes Wear safety glasses and work gloves Use care in handling rigging and setting bulky equipment A WARNING Open all remote disconnects before servicing this equip ment Failure to do so could result in personal injury from electric shock A CAUTION Puron refrigerant R 410A systems operate at higher pres sures than standard R 22 systems Do not use R 22 service equipment or components on Puron refrigerant equipment If service equipment is not rated for Puron refrigerant equipment damage or personal injury may result INSTALLATION Step 1 Inspect Shipment Inspect unit for dam age upon arrival If damage is found immediately file a claim with the shipping company Verify proper unit delivery by checking unit nameplate data and the model number nomen clature shown in Fig 1 See Tables 1 4 for unit physical data Step 2 Rig and Place Unit All units de signed for overhead rigging and it is important that this meth od be used Lifting holes are provided in the frame base rails It is recommended to use shackles in the lifting holes see rigging label on the unit and Table 5 and Fig 2 and 3 for rigging weights and center of gravity All panels must be in place when rigging IMPORTANT To maintain u
23. ul 67122 ve 88 u 5 Suolsuu uiq Sjexood YONI Buisn pejpueu eq ued pun jou SI jid 184 Uondo ue punos pue 10 1uBi u prepueis v S n jeouioer3 jeuoneN OIN Jed 6121 gp epis jeued eoepns pios 6281 Ul osa 100 doy Se seoueJeo o JSNW yun pesn si ejou LL Ul Buizis uo spuedep ezis ejou jeny Buuiw 10 pepi oud s 22 Ul 8 V inbi y 12011540 siwu u o 10 deo jou Buidid eA eA BSN eg S3 eu 9661 9 82 6891 599 Gs 22 sw zer Toss oocr ocodave ese sze eom zer eas 282 ocosaver se slc eom zer cas vez _ zzoaavac se 22 com zer 6 5971 zzoSava Morel 022 tere rer j Szoddvee esp sz sos eui szosaver gg6 922 29 281 229 921 2981 FeZ 6791 0 19 68v 2201 226 696 29 841 ul LHOI3H ul ALIAVHO 30
24. with nitrogen holding charge Refrigerant charge for dual circuit units is the total for both circuits TMaximum vertical separation between evaporator coil and condensing unit if condensing unit is below the evaporator Table 2 38AP060 100 Unit Physical Data English 38AP UNIT SIZE 00 oo 00 100 NOMINAL CAPACITY 50 60 2 tons 50 60 58 70 67 80 75 90 83 100 CIRCUIT Dual Da j Da Dual OPERATING WEIGHTS Ib Standard 2227 2450 2610 2835 2844 With Low Sound Option 2299 2522 2700 2943 2952 APPROXIMATE REFRIGERANT CHARGE 70 78 100 TYPICAL Ib NITROGEN SHIPPING CHARGE 15 psig COMPRESSOR 13 2 15 2 15 2 11 3 15 2 15 3 13 3 15 3 15 3 15 3 hp Qty 5 5 Standard 4 5 5 6 Digital Option 44 55 55 66 90 CRANKCASE HEATER W each compressor CONDENSER FANS Standard Propeller Type Direct Drive Quantity 4 4 5 6 6 RPM 1140 60 Hz 950 50 Hz Diameter in 30 Total Watts 60 Hz 6200 6000 7500 9000 9000 Total Watts 50 Hz 5150 5000 6250 7500 7500 Low Noise Shrouded Axial Fan Direct Drive Quantity 4 4 5 6 6 RPM 850 60 Hz 700 50 Hz Diameter in 30 Total Watts 60 Hz 5200 5000 6250 7500 7500 Total Watts 50 Hz 4300 4150 5200 6250 6250 CONDENSER COIL MCHX Type No Coils per Circuit 1 2 2103 3 3 sq ft 67 8 99 6 124 5 149 4 149 4 TEMPERATURE RELIEF Fusible Plug on Liquid Lines of Each Circuit 210 F CONN
25. 0 Condenser Coil Low Sound Options 4 MCHX No Sound Treatment 5 E coat MCHX No Sound Treatment C MCHX Low Sound Fan s D E coat MCHX Low Sound Fan s H MCHX Low Sound Fan s Compressor Blankets J E coat MCHX Low Sound Fan s Compressor Blankets Revision Level A Current Revision Level LEGEND EMM Energy Management Module MCHX Microchannel Heat Exchanger 88APS units available in sizes 025 050 only 4 x 24 in perimeter support ASTM channels between unit and the isolators are recommended with a minimum of 4 chan nels per unit Fasteners for mounting unit are field supplied See Fig 4 Refer to Fig 5 8 for airflow clearances Recommended minimum clearances are 6 ft 1829 mm for unrestricted air flow and service on sides of unit 4 ft 1219 mm on ends and unrestricted clear air space above the unit Provide ample space to connect liquid and suction lines to indoor unit For multiple units allow 10 ft 3048 mm separation between airflow surfaces If walls surround the unit wall height should not ex ceed the top of the unit fan discharge Installation in a pit is not recommended IMPORTANT Be sure to mount unit level to ensure proper oil return to compressors Refer to Fig 9 for outdoor fan and compressor layout Refer to Fig 10 and 11 for unit piping installation See Table 6 for refrigerant specialties part numbers Packaging Security Options 0 Std
26. 0 Hz TOTAL LINEAR LENGTH OF INTERCONNECTING PIPE ft m 38aPDUNIT 9255 250 5045 75100 100125 12545 150475 175 200 SIZE 53 3 61 0 Sin aS Se L SSS J a EE ETSI p T aaa na pae aS a ERG Joe o o t 2 8 439 15 2 15 2 a aa aa aS SaaS eens etal 1 2 1 19 29 1 1 218 19 19 29 ceke 14 1 2 1 19 20 138 19 275 19 19 215 19 19 27 C 1 1 20 1 19 2 1 19 2 1 198 27 13 19 27
27. 04 KH680003 KH680004 38APD CIRCUIT A CIRCUIT B UNIT LL Size LLSV Coil Filter LL Size LLSV Coil Filter SIZE LLSV 24 v 50 60 Hz Drier 109 in LLSV 24 v 50 60 Hz Drier 025 120 1 2 EF680031 EF680032 KM680004 KH680001 420 EF680031 EF680032 KM680004 KH680001 5 8 EF680028 EF680032 KM680005 KH680002 5 EF680028 EF680032 KM680005 KH680002 027 1 2 EF680031 EF680032 KM680004 KH680001 433 1 2 EF680031 EF680032 KM680004 KH680001 5 EF680028 EF680032 KM680005 KH680002 5 8 EF680028 EF680032 KM680005 KH680002 1 2 EF680031 EF680032 KM680004 KH680001 1 2 EF680031 EF680032 KM680004 KH680001 030 5g EF680028 EF680032 KM680005 KH680002 15 6 5 EF680028 EF680032 KM680005 KH680002 7 EF680029 EF680032 KM680006 KH680003 T g EF680029 EF680032 KM680006 KH680003 1 2 EF680028 EF680032 KM680004 KH680001 040 5 8 EF680028 EF680032 680005 KH680002 18 2 5 EF680029 EF680032 KM680005 KH680002 7 EF680029 EF680032 KM680006 KH680003 T g EF680029 EF680032 KM680006 KH680003 050 5 EF680028 EF680032 680005 KH680002 263 5 EF680028 EF680032 KM680005 KH680002 7 EF680029 EF680032 KM680006 KH680003 T g EF680029 EF680032 KM680006 KH680003 5 8 EF680028 EF680032 KM680005 KH680002 5 8 EF680028 EF680032 KM680005 KH680002 060 26 8 T g EF680029 EF680032 KM680006 KH680003 31 5 7 EF680029 EF680032 KM680006 KH680003 1 8 EF680030 EF680032 680007 KH680004 5 EF680028
28. 19 55122 39 08 1081802 805 02 5010 8 2 716 9 al S 310N 335 3015 31V 5 NIN 62811 21 310N 335 3015 13074 31 25 OL LON 130808 ERIN ear 301838 6121 87 7161 9 1102 335 521 007 1m 1876291 96772 6 765 90712 1678861 16751 1070061 18711 dhl v 3108 335 621 0071 1 1 2718 5 3108 335 58011238802 ONIUIM 1081802 01114 9551997 81055184402 55122 39NIH 1081802 871721 26 r 912 247 NOTLOINNOD 410011 V 1109815 NOII23NNOO NOTLONS Y 1109815 NOTLOINNOD NOTLONS 8 1112812 NOTLOINNOD 410011 8 11 2812 94 3108 335 H 55302 32835 KINO NMOHS ATTVIYOLIId MOVIS HLIM ONNOS MOT UIV 91 Ge 56 8 2 Lv 8 61 91 8 5 S 91 8 s Lv 861 91 8 Ge 91 8 s Ly 8 6 91 8 sese 8 2 Lv 8 51 0 9s sec 91 9 91 8 Sg 91 8 s Ly 8 61 pinbr1 SNOLLO3NNOO AATVA 32835 226 696 269 6 2 226 696 269 6 2 mns j A X
29. 31 62 38APD090 2943 1335 3073 1394 131 62 38APD100 2952 1339 3082 1398 131 62 38AP501543 SIZES 070 TO 100 Fig 3 Rigging Labels MODEL W O PACKAGING W PACKAGING X LBS KGS LBS KGS IN MM IN MM IN MM IN 5025 1113 505 1163 528 19 39 40 25 11 18 36 87 937 38APD025 1131 513 1181 536 19 39 40 25 11 82 36 99 940 38 5027 1276 519 1326 19 39 40 25 18 21 31 60 955 38 0027 1294 587 1344 610 79 39 40 25 18 23 31 69 957 38 5030 1282 582 1332 604 79 39 40 25 18 18 31 52 953 38 0030 1300 590 1350 612 79 39 40 25 18 20 31 61 955 38 50404 2022 917 2097 951 19 39 92 12 35 00 44 00 1118 38 0040 2148 974 2223 1008 79 39 92 12 33 66 44 06 1119 38 5050 2031 921 2106 955 19 39 92 12 34 90 44 00 1118 38 0050 2174 986 2249 1020 79 39 92 12 33 39 44 12 1121 38 0060 2299 1043 2314 1077 79 39 92 12 34 35 44 06 1119 38AP501542 SIZES 025 TO 060 M 0 0 LEGEND ASTM American Society for Testing and Materials 4 x 24 in ASTM CHANNEL Fig 4 Perimeter Support Channel 060 520 59215 suoisueuiig HUN dv8e s 6 4 7961 06 DE 3015 001 NES 29 4 Sk JION 335 110N 335 AYINI Y3MOd 01313 197221 9
30. 9472 00201 zor Z 9 wart 0192 osoaavec gun vanao A gt x uopns uru sai qi LH91IM ul GuvaNVis SNOLLO3NNOO THOISH ALIAVHO 40 H31N32 22 8 22 8 pyepuejs 22 8 pinbr1 OUTDOOR FAN LAYOUT Single and Dual Circuit TOP VIEW TOP VIEW TOP VIEW SIZES 025 030 SIZES 040 050 SIZES 060 070 TOP VIEW TOP VIEW SIZE 080 SIZES 090 100 CONTROL BOX CONTROL BOX CONTROL BOX CONTROL BOX CONTROL BOX COMPRESSOR LAYOUT DUAL CIRCUIT 8 e lt 2 Q CONTROL BOX TOP VIEW TOP VIEW TOP VIEW SIZES 025 030 SIZES 040 060 SIZES 070 080 CONTROL BOX TOP VIEW LEGEND ac A Circuit 1 Compressor B Circuit 2 Compressor COMPRESSOR LAYOUT SINGLE CIRCUIT OFM Outdoor Fan TOP VIEW TOP VIEW SIZES 025 030 SIZES 040 050 Fig 9 Outdoor Fan and Compressor Layout CONTROL BOX CONTROL BOX 13 SUCTION LINE DOUBLE RISER IF REQUIRED BY APPLICATION SEE APPLICATION DATA SECTION 15 DIAMS MIN 10 DIAMS MIN SUCTION RISER LEGEND LLSV Liquid Line Solenoid Valve NEC National Electrical Code Thermostatic Expansion Valve Piping Double Riser Piping if required Fi
31. CP VALUE Wire Size 20 si4AWG 20 6 AWG JRKforRK 10 14 AWG EN 14 AWG 6AWG 350 kom 500 kcmil 600 600 600 kcmil eokmi J or RK1 500 kemil 2 100 A or less Greater than 100 A and Less than or Equal to 200 A Greater than 200 LEGEND NOTES AWG American Wire Gage Terminal block high SCCR option units must use approved kcmil Thousand Circular Mills fuses to meet high SCCR rating MOCP Maximum Overcurrent Protection 2 High SCCR disconnect option units can use either approved SCCR Short Circuit Current Rating fuse or circuit breaker for incoming power protection 3 Time delay fuse type required Step 5 Install Accessories MISCELLANEOUS ACCESSORIES Energy manage LOW AMBIENT OPERATION If operating temperatures ment module Navigator display remote enhanced display Touch Pilot display BACnet translator control LON lo cal operating network translator control and long line acces sory kit are available for special applications below those found in Table 14 are expected Motormaster V fan motor control is recommended Table 14 38AP Unit Low Ambient Limitations Single Circuit 38APS MINIMUM LOW MINIMUM LOW AMBIENT UNIT SIZE AMBIENT MOTORMASTER CONTROL Standard Unit Factory Installed Option 025 050 45 F 7 2 C 20 F 28 9 C Dual Circuit 38APD MINIMUM LOW MINIMUM LOW AMBIENT UNIT SIZE AMBIENT
32. DER N SEE HEADERS 5274 HEADERS es BELOW DETAIL BELOW SECTION UPPER SECTION lt A TO COMPRESSOR TXV SENSING lt BULB TXV SENSING LOWER BULB SECTION LOWER en 10 DIAMS SECTION MIN TYP ea 10 DIAMS MIN TYP SUCTION LINE EVAPORATOR PIPING TO 4 COMPRESSOR RETURN 8 DIAMS FREE DRAINING COIL LINES MIN TYP 90 FIRST MIXING 8 DIAMS STREET ELL ELBOW MIN TYP EVAPORATOR PIPING a 4 j 3 NON FREE DRAINING COIL STREET ELLS 2 722 COMPRESSOR AIRFLOW COMPRESSOR ABOVE COMPRESSOR ABOVE SUCTION BELOW SINGLE RISER DOUB LINE TO DUREE RISER COMPRESSOR LEGEND TXV Thermostatic Expansion Valve TYP Typical NOTE For units with single condensate pan lower coil section is first on last off Fig 16 Typical Piping Connections for Face Split Coils for 38APS025 050 Single Circuit Units 24 Table 8 Requirements for Installation of Liquid Line Solenoid Valve MAXIMUM ALLOWABLE EVAPORATOR SURFACE AREA S CIRCUIT WITHOUT LIQUID LINE SOLENOID VALVE sq ft 3 Row s Tube 4 Row s in Tube 28 1 025 28 1 56 3 32 3 027 38 1 70 4 32 3 030 38 1 70 4 48 s 2 32 Cut 43 ae 23 Single Creu 947 ss 43 Omua 43 836 22 oso 4 23 ae 2927 947 ss m amp 3 23 1l
33. Digital Scroll Option Sizes 040 100 28 LVT TERMINAL STRIP 2k 2 2 2 EF 2 2 ra 7 T See Fig 19 for EAT and SAT location TNot required for single circuit units Fig 22 Constant Volume Application Wiring Diagram Space Temperature Sensor Control Sizes 025 100 LVT TERMINAL STRIP 21 4 ps 2k 2 2 2 z 2 1 2 pet 7 T See Fig 19 for EAT and SAT location TNot required for single circuit units Fig 23 Variable Air Volume Application Wiring Diagram Sizes 025 100 29 IAT ba 1414 611184 9 9 e 2345 TERMINAL Fig 24 Optional Energy Management Module Wiring Legend and Notes for Fig 20 24 u l N T le o o 1 gt 1 gzon z e 2 CO al j 8538 LEGEND ALM R Alarm Relay 24 v 5 va Maximum COM Communication COOL1 Thermostat Stage 1 24 v COOL2 Thermostat Stage 2 24 v EAT Evaporator Air Temperature Sensor EMM Energy Management Module EQUIP GND Equipment Ground FS1 Fan Status Switch 24 v LLSV Liquid Line Solenoid Valve LVT Low Voltage Terminal NEC National Electrical Code SA Set Point Adjustment T 56 T 59 SAT Supply Air Temperature Sensor SPT Space Temperature Sensor T 55 T 56
34. ECTIONS in ODF CKT A CKT B Suction Line 15 8 15 8 15 8 21 8 15 8 21 8 21 3 21 8 21 8 25 8 Liquid Line 5 g 7 8 7 8 7 8 7 4 lg 7 8 1 7 8 7 8 7 8 MAXIMUM HEIGHT FOR 3 F SUBCOOLING 75 75 75 75 75 f t CAPACITY PER CIRCUIT A CKT B 46 54 47 53 40 60 46 54 50 50 MINIMUM UNIT CAPACITY 17 LEGEND MCHX Microchannel Heat Exchanger ODF Outside Diameter Female Typical operating charge with 25 ft of interconnecting piping Operating charge is approximate for maximum system capacity Unit is factory supplied with nitrogen holding charge Refrigerant charge for dual circuit units is the total for both circuits tMaximum vertical separation between evaporator coil and condensing unit if condensing unit is below the evaporator Table 3 38AP025 050 Unit Physical Data SI 38AP UNIT SIZES 025 f 07 030 00 050 NOMINAL CAPACITY 50 60 Hz kW 81 95 88 106 148 176 CIRCUIT Dual Single Dua Single Singe Dua Single Dua Single OPERATING WEIGHTS kg Standard 497 489 571 562 573 565 950 893 961 897 With Low Sound Option 513 505 587 579 590 582 974 917 986 921 APPROXIMATE REFRIGERANT CHARGE 12 7 10 9 13 6 11 8 13 6 11 8 23 6 18 1 23 6 18 1 TYPICAL kg NITROGEN SHIPPING CHARGE 1 03 bar COMPRESSOR 8 2 2 8 2 2 9 7 2 9 7 2 11 2 2 11 2 2 7 5 2 9 7 3 8 2 2 11 2 3 kW Qty 6 3 2 9 7 2 CAPACITY STEPS Standard 2 2 2 2 2 2
35. EF680032 680005 KH680002 5 8 EF680028 EF680032 KM680005 KH680002 070 31 8 7g EF680029 EF680032 680006 KH680003 35 5 7 EF680029 EF680032 KM680006 KH680003 i s EF680030 EF680032 KM680007 KH680004 1 8 EF680030 EF680032 KM680007 KH680004 5 EF680028 EF680032 KM680005 KH680002 5 8 EF680028 EF680032 KM680005 KH680003 080 31 3 7 EF680029 EF680032 680006 KH680003 46 7 7 4 EF680029 EF680032 680006 680003 1 8 EF680030 EF680032 680007 KH680004 1 8 EF680030 EF680032 KM680007 KH680004 5 EF680028 EF680032 KM680005 KH680003 090 40 3 7 EF680029 EF680032 KM680006 KH680003 47 1 T g EF680029 EF680032 KM680006 KH680003 1 8 EF680030 EF680032 680007 KH680004 1 8 EF680030 EF680032 KM680007 KH680004 100 480 T g EF680029 EF680032 KM680006 KH680003 480 78 EF680029 EF680032 KM680006 KH680003 1 8 EF680030 EF680032 680007 KH680004 1 8 EF680030 EF680032 680007 KH680004 LEGEND LL Liquid Line LLSV Liquid Line Solenoid Valve Bushing required to fit 5 s in line NOTE 1 Filter driers have been sized based upon 1 to 2 psig pressure drop clean in accordance with ARI Standard 710 2 All pipe sizes are OD inches Equivalent sizes in millimeters follow 118 16 Step 3 Make Refrigerant Piping A CAUTION Connections Do NOT bury refrigerant piping underground Failure to comply could result in equipment da
36. LSV is 15 va sealed and 30 va inrush at 24 v Field power supply is not required LLSV 24 v should be 15 va maximum per valve as required Not used on single circuit unit Installation of fan status switch FS1 is recommended The contacts for remote ON OFF fan status and demand limit options must be rated for dry circuit application capable of han dling a 24 vac load up to 50 mA Table 9 38APS Standard Condenser Fan Electrical Data SUPPLY V Ph Hz VOLTAGE COMPRESSOR CONDENSER FAN ICF max RLA LRA 38APS UNIT SIZE FLA ICF LRA MCA MOCP RLA 208 230 3 60 380 3 60 025 460 3 60 575 3 60 380 415 3 50 208 230 3 60 380 3 60 027 460 3 60 575 3 60 380 415 3 50 208 230 3 60 380 3 60 030 460 3 60 575 3 60 380 415 3 50 208 230 3 60 380 3 60 040 460 3 60 575 3 60 380 415 3 50 208 230 3 60 380 3 60 050 460 3 60 575 3 60 380 415 3 50 208 230 3 60 380 3 60 025 460 3 60 575 3 60 380 415 3 50 208 230 3 60 380 3 60 027 460 3 60 575 3 60 380 415 3 50 208 230 3 60 380 3 60 030 460 3 60 575 3 60 380 415 3 50 208 230 3 60 380 3 60 040 460 3 60 575 3 60 380 415 3 50 208 230 3 60 380 3 60 050 460 3 60 575 3 60 380 415 3 50 LEGEND Full Load Amps Maximum Instantaneous Current Flow Locked Rotor Amps Minimum Circuit Amps Maximum Overcurrent Protection Rated Load Amps NOTES 1 Units are suitable for use on electrical systems where voltage
37. MCA up to LRA Locked Rotor Amps MCA Minimum Circuit Amps MOCP Maximum Overcurrent Protection RLA Rated Load Amps NOTES 1 Units are suitable for use on electrical systems where voltage supplied to the unit terminals is not below or above the listed minimum and maximum limits Maximum allowable phase imbalance is voltage 2 amps 10 All units or modules have single point primary power connec tion Main power must be supplied from field supplied disconnect For MCA that is less than or equal to 380 amps 3 conductors are required For MCA between 381 and 760 amps 6 conductors are required Calculation of conductors required is based on 75 C copper wire 33 175 amps is 14 AWG American Wire Gage to 2 0 b Incoming wire size range for terminal block with MCA from 175 1 amps to 420 amps is 2 AWG to 600 kcmil c Incoming wire size range for non fused disconnect with MCA up to 100 amps is 14 AWG to 1 0 d Incoming wire size range for non fused disconnect with MCA from 100 1 amp to 200 amps is 6 AWG to 350 kcmil e Incoming wire size range for non fused disconnect with MCA from 200 1 amp to 450 amps is 3 0 to 500 kcmil 0 Listed Table 13 Unit Incoming Power Options UNIT INCOMING POWER OPTION Standard Terminal Standard and High SCCR Block Option High SCCR Terminal Block Option Disconnect Option Max Max High SCCR MO
38. MOTORMASTER CONTROL Standard Unit Factory Installed Option 025 040 32 F 0 C 20 F 28 9 C 050 060 25 F 3 9 C 20 F 28 9 C 070 100 32 F 0 C 20 F 28 9 C 34 Copyright 2009 Carrier Corporation Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 04 53380002 01 Printed in U S A Form 15 Pg 36 8 09 Replaces New
39. ON 1 LIQUID LINE SECTION 2 FILTER SOLENOID VALVEt SIGHT GLASS DRIER OPTION B DUAL FILTER DRIER ARRANGEMENT EVAPORATOR COIL SECTION 1 FILTER LIQUID LINE SECTION 2 SOLENOID VALVET THERMOSTATIC SIGHT GLASS EXPANSION VALVES Field supplied TField supplied when required See Table 8 Fig 14 Required Location of Solenoid Valves and Recommended Filter Drier and Sight Glass Locations for 38APS025 050 Single Circuit Units 23 SUCTION E 4 HEADERS HEADERS BELOW vens dn SECTION UPPER SUCTION LINE SECTION lt TXV SENSING TO COMPRESSOR BULB RESSO SA TXV SENSING BULB LOWER SECTION LOWER SECTION 10 DIAMS lt MIN TYP 10 DIAMS MIN TYP DIAM TO COMPRESSOR 8 EVAPORATOR PIPING FREE DRAINING NeMIN TYP OTRE TURN lt 6 DIAMS MIN TYP 909 FIRST MIXING x STREET ELL ELBOW EVAPORATOR PIPING NON FREE DRAINING COIL 45 STREET ELLS 2 COMPRESSOR ABOVE COMPRESSOR ABOVE SUCTION COMPRESSOR D AIRFLOW SINGLE RISER DOUBLE RISER LINE TO R BE LEGEND TXV Thermostatic Expansion Valve TYP Typical NOTE For units with single condensate pan lower coil section is first on last off Fig 15 Typical Piping Connections for Face Split Coils for 38APD025 100 Dual Circuit N SUCTION E SUCTION EA
40. UTION NOTICE RIGGERS ALL PANELS MUST BE IN PLACE WHEN RIGGING FORK ONLY THROUGH BASE RAIL FORK OPENINGS NOTES 1 RIG WITH FOUR CABLES USING A MINIMUM 20 FT 6094mm LENGTH FOR 025 030 SIZES AND 24 FT 7315mm LENGTH FOR 040 060 SIZES 2 CENTRAL LIFTING POINT MUST BE A MINIMUM OF 10 FT 3048mm FOR 025 030 SIZES AND 12 FT 3658mm FOR 040 060 SIZES ABOVE THE TOP OF THE UNIT 3 LIFTING HOLES PROVIDED ARE 2 25 IN 57 2mm DIAMETER 4 CHECK BILL OF LADING FOR SHIPPING WEIGHT OF UNIT 10 0 3048 NS M BOX END z UNIT 38AP025 030 UNIT 38AP040 060 CONTROL LIFTING HOLES CENTER OF GRAV MAX SHIP SHIP WT CAUTION NOTICE TO RIGGERS ALL PANELS MUST BE IN PLACE WHEN RIGGING DO NOT FORK THIS UNIT WITHOUT SKID NOTES RIG WITH FOUR CABLES USING A MINIMUM 20 FT 6094mm LENGTH FOR 060 070 SIZES AND 24 FT 7315mm LENGTH FOR 080 100 SIZES CENTRAL LIFTING POINT MUST BE A MINIMUM OF 10 FT 3048mm FOR 060 070 SIZES AND 12 FT 3658mm FOR 080 100 SIZES ABOVE THE TOP OF THE UNIT LIFTING HOLES PROVIDED ARE 2 50 IN 63 5mm DIAMETER CHECK BILL OF LADING FOR SHIPPING WEIGHT OF UNIT CONTROL BOX END MAX SHIP MAX SHIP LIFTING HOLES CENTER OF GRAVITY MODEL WT W O WT WITH NUMBER PACKAGING PACKAGING B X Y LBS KGS LBS KGS MM IN IN MM IN MM 38APD070 2522 1144 2622 1189 91 37 38APD080 2700 1225 2830 1284 1
41. a vacuum of at least 500 microns 0 5 mm Hg be ob tained Afterwards to ensure that no moisture is present in the system perform a standing vacuum rise test With the unit in deep vacuum 500 microns or less isolate the vacuum pump from the system Observe the rate of rise of the vacuum in the system If the vacuum rises by more than 50 microns in a 30 minute time period then continue the dehy dration process Maintain a vacuum on the system until the standing vacuum requirement is met This will ensure a dry system By following these evacuation and dehydration procedures the amount of moisture present in the system will be mini mized It is required that liquid line filter driers be installed be tween the condenser s and the expansion devices to capture any foreign debris and provide additional moisture removal ca pacity Be sure to consider the pressure drop of the filter drier when determining piping requirements EVAPORATOR LIQUID COIL CIRCUIT NO 2 FILTER DRIERS LIQUID CIRCUIT NO 1 SIGHT GLASS LOCATION LEGEND LLS Liquid Line Solenoid TXV Thermostatic Expansion Valve Field supplied TField supplied when required See Table 8 Fig 13 Required Location of Solenoid Valves and Recommended Filter Drier and Sight Glass Locations for 38APD025 100 Dual Circuit Units THERMOSTATIC EXPANSION VALVES OPTION A SINGLE FILTER DRIER ARRANGEMENT EVAPORATOR COIL SECTI
42. and may adversely affect Carrier warranty A CAUTION Proper rotation of condenser fan s MUST be verified before compressors are started Consult the Controls Start Up and Operation guide provided with the 38AP units for correct procedure Failure to comply could result in possi ble equipment damage POWER WIRING All power wiring must comply with applicable local and national codes Install field supplied branch circuit fused disconnect per NEC National Electrical Code U S A of a type that can be locked OFF or OPEN Dis connect must be within sight and readily accessible from the unit in compliance with NEC Article 440 14 General Wiring Notes 1 The control circuit does NOT require a separate power source Control circuit power is obtained by a step down transformer from the main three phase power supply Be sure that the appropriate connection tap is connected on all transformers for the supply voltage 2 A low voltage terminal strip LVT 1s provided for field wired control devices NOTE The field supplied disconnect should never be off except when unit is being serviced or is to be down for a pro longed period 3 Power entry is at one end only 4 All field power enters the unit through a hole located in the corner post of the unit or the bottom of the control box shelf Refer to Fig 18 for field power wiring details Re fer to Fig 5 8 for exact location of field power entry 5 Terminals for field
43. ations 2 Pipe sizes are based on an equivalent length equal to the maximum length of interconnecting piping shown for each column plus 50 for fittings 3 Suction and liquid line sizing is based on pressure drop equivalent to 2 F 1 1 C at nominal rating conditions 4 All pipe sizes are OD inches Equivalent sizes in millimeters follow LEGEND Suction Riser in mm EVAPORATOR without Trap Suction Riser 1 2 12 7 with Trap 5 8 15 9 Suction Line to 7 222 Condensing Unit 8 Pipe Diameter to be 11 8 28 6 D as Listed in Fig 12 13 8 34 9 15 8 41 3 SUCTION LINE PIPING 21 8 54 0 25 8 66 7 20 Table 7 Refrigerant Piping Requirements cont 38APS025 50 Single Circuit Units Double Suction Riser 50 Hz TOTAL LINEAR LENGTH OF INTERCONNECTING PIPE ft m 025 25 50 505 75400 100 125 125 150 150 175 0 7 6 7 6 15 2 15 2 22 9 22 9 30 5 30 5 38 1 38 1 45 7 45 7 53 3 Ba Be eo 21 13 15 2 13 15 r 1 2 1 15 2 13 1 2 13 15 21 13 15 21 1 r 1 2 1 19 215 1 19 2 1 19 2 1 19 2 8 138 15 16 1 2 1 1 2 1 19 2 1 19 2 1 19 21 15 215
44. d drop control are not required but are recom mended to prevent refrigerant migration to the compressor Factory supplied accumulator not shown Dual circuit piping shown Single circuit piping is similar but would only have one suc tion line and one liquid line A field supplied 5 bleed port TXV is required for every application Sight glass LLSV and filter drier are field supplied Long line length check valves are required for liquid line installation on all linear line length applications of more than 100 ft 30 5 m For any 025 030 size dual circuit unit application where evaporator is located higher than the condensing unit check valves are required for linear line length above 55 ft 16 8 m Ol B D Fig 11 38AP Unit Ground Level Installation 15 38APS UNIT SIZE LL Size LLSV Table 6 Refrigerant Specialties Part Numbers CIRCUIT A LLSV Coil 24 v 50 60 Hz 025 5 EF680028 EF680032 KM680005 7 EF680029 EF680032 KM680006 027 5 8 680028 EF680032 KM680005 7 EF680029 EF680032 KM680006 5 8 EF680028 EF680032 KM680005 030 7 8 680029 680032 680006 118 EF680030 EF680032 KM680007 5 8 EF680028 EF680032 KM680005 040 78 680029 EF680032 KM680006 11 5 EF680030 EF680032 KM680007 050 7 EF680029 EF680032 KM680006 11 8 680030 EF680032 KM680007 Filter Drier KH680002 KH680003 KH680002 KH680003 KH680002 KH680003 KH680004 KH680003 KH680003 KH6800
45. e for non fused disconnect with MCA from 100 1 amp to 200 amps is 6 AWG to 350 kcmil e Incoming wire size range for non fused disconnect with MCA from 200 1 amp to 450 amps is 3 0 to 500 kcmil WERTE 6 Table 11 38APD Standard Condenser Fan Electrical Data 38APD SUPPLY COMPRESSOR CONDENSER FAN UNIT V Ph Hz VOLTAGE CIRCUIT A CIRCUIT B Total FL MCA MOCP Lind ICF 2 Min Max Qty RLA LRA Qty RLA LRA 208 230 3 60 48 1 48 1 306 3 380 3 60 23 7 23 7 70 176 5 025 460 3 60 18 6 18 6 150 2 575 3 60 14 7 14 7 119 9 380 415 3 50 18 6 18 6 143 2 208 230 3 60 364 5 380 3 60 173 7 027 460 3 60 179 7 575 3 60 134 1 380 415 3 50 169 7 208 230 3 60 409 0 380 3 60 237 8 030 460 3 60 212 5 575 3 60 160 9 380 415 3 50 207 5 208 230 3 60 361 4 380 3 60 218 9 040 460 3 60 186 2 575 3 60 128 8 380 415 3 50 179 2 208 230 3 60 467 3 380 3 60 225 0 050 460 3 60 220 2 575 3 60 166 1 380 415 3 50 210 2 208 230 3 60 524 8 380 3 60 299 4 060 460 3 60 265 3 575 3 60 205 9 380 415 3 50 260 3 208 230 3 60 566 5 380 3 60 316 7 070 460 3 60 274 9 575 3 60 210 2 380 415 3 50 269 9 208 230 3 60 596 2 380 3 60 351 5 080 460 3 60 303 1 575 3 60 239 8 380 415 3 50 298 1 208 230 3 60 645 1 380 3 60 368 1 090 460 3 60 321 9 575 3 60 254 7 380 415 3 50 311 9 208 230 3 60 658 6 380 3 60 389 4 100 460 3 60 333 3 575 3 60 266 1 380 415 3 50 328 3 LEGEND 4 Wiring for main field supply must be rated 75 C Use copper FLA
46. eld supplied Tlf double suction riser is required for piping system size short riser 3 ft maximum according to Fig 12 Field supplied See Table 6 for refrigerant spe cialties part numbers ES NOTES 1 i 2 TRAP FOR we A CONDENSING UNIT LONG LINE CHECK VALVE HORIZONTAL SUCTION LINE MUST DRAIN TO COMPRESSOR FOR OIL RETURN LIQUID LINE DISCONNECT SWITCH PER NEC BULB CAPILLARY TUBE SIGHT GLASS inane Mala LLSV FILTER DRIER RAP REQUIRED FOR DOUBLE TEE DOUBLE SUCTION RISERS SUCTION RISER ONLY All piping must follow standard refrigerant piping techniques Refer to Carrier System Design Manual for details All wiring must comply with the applicable local and national codes Wiring and piping shown are general points of connection guides only and are not intended for or to include all details for a specific installation Install field supplied disconnect switch in accordance with all local and national electrical codes Liquid line solenoid valves solenoid drop control are not required but are recommended to prevent refrigerant migration to the compressor Factory supplied accumulator not shown Dual circuit piping shown Single circuit piping is similar but would only have one suction line and one liquid line A field supplied 5 bleed port TXV is required for every application Sight glass LLSV and f
47. ew e euns eg L 6281 21 SALON qi LHDIAM 15 SNOLLO3NNOO 3ATVA 321AH3S TH icu aio 11 1 001 080 59215 suoisueuiiq HUN 8 614 1922211 59792 6211 9v 92 A dhl 1579561 p 978961 pO Fl 335 3 LON 335 C 1NOH3 00i 305 LHW une EE m 861 0671 LLET 06 i 1 TL 1 n 926 5 58721 i B NOIL23NNO2 010011 NOI123NNOO GINO 1 Y 1102815 8 1109812 Fall a a NOTLO3NNOD NOTLONS NOLLO3NNOD 8011205 V 1112419 8 1102812 9 310N 335 H qp T 55322 39NIH 4 ALON 335 Z XOB 1091009 ARINA NOn wie 227 56322 39 A M 108 1041802 J 10191 92 SNIQYY gt a 1 ur i SS SS Ss M01 Y A INO NMOHS ATIVINOLOId yOv1S N 4 08005 MOT y SNO1123NNO2 7717221 52789 qg gt 19216861 607151 1041905 01313 mecs W 4 NIN St 310N 335 6291 2L 3015 me 401 NIW 162811 21 30N 335 7 3015 uv3u 31V2S OL LON 830408 3oNYuv312 39118350 F
48. g conditions S Suction Line 4 All pipe sizes are OD inches Equivalent sizes in millimeters follow NOTES 1 Shading indicates double suction riser required on units if con in mm densing unit is located higher than evaporator 175 127 2 Pipe sizes are based an equivalent length equal to the max imum length of interconnecting piping shown for each column 5 8 15 9 plus 50 for fittings Example Equivalent length Maximum T g 22 2 linear length x 1 5 175 28 6 13 8 34 9 15 8 41 3 21 8 54 0 25 8 66 7 19 Table 7 Refrigerant Piping Requirements cont 38APS025 50 Single Circuit Units Double Suction Riser 60 Hz TOTAL LINEAR LENGTH OF INTERCONNECTING PIPE ft m 025 250 505 75400 100 125 125 150 0 7 6 7 6 15 2 15 2 22 9 22 9 30 5 30 5 38 1 38 1 45 7 EE Ee eS a ee 2 13 15 21 13 15 21 1 15 ee eee 15 21 13 15 2 1 1 2 1 19 2 1 19 2 1 15 2 8 1 19 2 8 1 1 ts 15 215 1 19 215 1 19 215 1 15 2 1 19 2 15 2 29 19 218 rs 1 2s 1 19 2 1 19 2 15 21 29 15 21 25 15 215 29 15 2 38APS 150 175 175 200 45 7 53 3 53 3 61 0 38APD025 100 Dual Circuit Units Double Suction Riser 6
49. he evap orator suction header for proper sensing by the bulb 1 Install a minimum of two 90 degree elbows upstream of the TXV bulb location See Fig 15 for dual circuit units and Fig 16 for single circuit units 2 Locate the TXV bulb on a vertical riser where possi ble If a horizontal location is necessary secure the bulb at approximately the 4 o clock position If an oil return connection is located at the bottom of the evaporator suction header tee in this connection ahead of first mixing elbow See Fig 15 for dual circuit units or Fig 16 for single circuit units When the compressor is below the evaporator the riser at the evaporator should extend to the top of the evaporator section After the riser is installed the suction line can elbow down immediately Refer to the evaporator product data for sizing information LIQUID LINE FILTER DRIER Installation of a field supplied filter drier and sight glasses in each refrigerant circuit is required Select the filter drier for maximum unit capacity and minimum pressure drop Figure 13 for dual circuit units or Fig 14 for single circuit units shows required location of solenoid valves and recommended locations for the filter driers and sight glasses Complete the refrigerant piping from the evaporator to the condenser before opening the liquid and suc tion lines at the condenser Refer to Table 6 A CAUTION For all units with liquid lines of 100 ft 30 5 m
50. ilter drier are field supplied Long line length check valves are required for liquid line installation on all linear line length applications of more than 100 ft 30 5 m For any 025 030 size dual circuit unit application where evaporator is located higher than the condensing unit check valves are required for linear line length above 55 ft 16 8 m Fig 10 38AP Unit Rooftop Installation 14 EQUALIZER BULB CAPILLARY LINE TUBE 4 EVAPORATOR L DJ STAGE 2 m Tel 28 LLSVt AIRFLOW DD NU S piel lt EVAPORATOR FIRST N 8 DIAMS MIN LAST OFF TXV SENSING BULB LIQUID LINE HORIZONTAL SUCTION LINE MUST DRAIN TO COMPRESSOR FOR OIL RETURN LONG LINE CHECK VALVE LEGEND NOTES 5 1 All piping must follow standard refrigerant piping techniques Refer to Carrier System LLSV Liquid Line Solenoid Valve NEC National Electrical Code TXV Thermostatic Expansion Valve Piping Field supplied TField supplied See Table 6 for refrigerant spe cialties part numbers Design Manual for details All wiring must comply with the applicable local and national codes Wiring and piping shown are general points of connection guides only and are not intended for or to include all details for a specific installation Install field supplied disconnect switch in accordance with all local and national electri cal codes Liquid line solenoid valves solenoi
51. l for both circuits tMaximum vertical separation between evaporator coil and condensing unit if condensing unit is below the evaporator Table 4 38AP060 100 Unit Physical Data SI 38AP UNIT SIZES NOMINAL CAPACITY 50 60 Hz kW CIRCUIT OPERATING WEIGHTS kg Standard With Low Sound Option APPROXIMATE REFRIGERANT CHARGE TYPICAL kg NITROGEN SHIPPING CHARGE COMPRESSOR kW Qty CKT A CKT B CAPACITY STEPS Standard Digital Option CRANKCASE HEATER W each compressor CONDENSER FANS Standard Quantity ris Diameter mm Total Watts 60 Hz Total Watts 50 Hz Low Noise Quantity ris Diameter mm Total Watts 60 Hz Total Watts 50 Hz CONDENSER COIL No Coils per Circuit sqm TEMPERATURE RELIEF CONNECTIONS in ODF CKT A CKT B Suction Line Liquid Line MAXIMUM HEIGHT FOR 1 7 C SUBCOOLING m t CAPACITY PER CIRCUIT A CKT B MINIMUM UNIT CAPACITY LEGEND Microchannel Heat Exchanger Outside Diameter Female MCHX ODF 060 590 50 1010 1111 1184 1043 1144 1225 1 03 bar 9 7 2 11 2 2 11 2 2 8 2 3 11 2 2 11 2 3 4 5 5 44 55 55 90 Propeller Direct Dri 5 4 4 19 60 Hz 16 50 Hz 762 6200 6000 7500 5150 5000 6250 Shrouded Axial Fan Direct 4 4 5 14 60 Hz 12 50 Hz 762 5200 5000 6250 4300 4150 5200 MCHX Type 1 2 2 3 6 3 9 3 11 6 Fusible Plug Liquid Lines of Each 15 8 15 8 15 g 21 8 15 g 21 8 5 a 7 8 7 8 lg 7 8
52. mage The units have large suction lines to minimize friction loss es The units also have the ability to operate at low capacity Because of these capabilities use special care with suction pip ing and suction risers to ensure proper compressor oil return under all operating conditions If the evaporator is above the condensing unit the maximum allowable vertical separation between the condensing unit and the evaporator is 75 ft 22 9 m for all units Size suction lines in accordance with Table 7 and Fig 12 SUCTION LINE TO COMPRESSOR EVAP EVAP 45 DEGREE 90 DEGREE ene STR ELLS METHOD A LEGEND A Pipe A Suction Riser without Trap B Pipe B Suction Riser with Trap Suction Line to Condensing Unit D Pipe D Suction Riser Short Lift RED Reducer STR Street NOTES 1 Short riser pipe D is used when routing suction line to condensing unit connection See table at right 2 See Table 7 for values of A B and C SUCTION LINE SIZE REFRIGERANT LINES Consider the length of pip ing required between the condensing unit and indoor unit evaporator the amount of liquid lift and compressor oil re turn Suction and liquid lines should be sized in accordance with Table 7 Double suction risers may be required if con densing unit is located above the evaporator to assure proper oil return at minimum load operating conditions See Table 7 and Fig 12 Note the indoor unit installtio
53. n instructions for ad ditional information A CAUTION The field supplied liquid line solenoid valve must be installed at the evaporator to avoid possible compressor damage during unit operation if the maximum allowable evaporator size is exceeded per Table 8 See Fig 13 for 38APD025 100 dual circuit units or Fig 14 for 38APS025 050 single circuit units TO COMPRESSOR METHOD B U BEND OR 2ELLS CONDENSING UNIT D J 3 MAX 914 LI D PIPE DIAMETER Dual Circuit Single Circuit Fig 12 Double Suction Riser Construction 17 Table 7 Refrigerant Piping Requirements 38APS025 050 Single Circuit Units 60 Hz TOTAL LINEAR LENGTH OF INTERCONNECTING PIPE ft m JONES 2550 5075 75 100 100425 1253150 150 175 175 200 SIZE 7 6 15 2 152 229 22 9 30 5 305 381 381 457 45 7 53 3 53 3 61 0 qs a 38APD025 100 Dual Circuit Units 60 Hz TOTAL LINEAR LENGTH OF INTERCONNECTING PIPE ft m 38APD UNIT 025 2550 50 75 75 100 100 125 125450 150 175 175 200 SIZE 53 3 61 0 pe 5 5 5 i 5 5 5 5 5 m 15 15 057 15 15 036 15 15 040 21 2 218 218 066 2 21 iz 27 25 em 21 29 o 29 29 100 29 29 LEGEND 3 Suction and liquid line sizing is based on pressure drop equiva L Liquid Line lent to 2 F
54. nit stability while lifting use 4 cables chains or straps of equal length Attach one end of each cable to shackle attachment point and the other end of each cable to the overhead rigging point Use spreader bars or frame to keep the cables chains and straps clear of the unit sides Leave standard coil protection packaging in place during rigging to provide protection to coils Remove and discard all coil protection after rigging ca bles are detached A CAUTION panels must be in place when rigging Failure to com ply could result in equipment damage CAUTION For unit sizes 025 to 060 when handling with a forklift handle only through fork pocket holes Failure to follow this caution could result in equipment damage or personal injury A CAUTION For unit sizes 070 to 100 do not forklift the unit unless unit is attached to a skid designed for forklifting Failure to fol low this caution could result in equipment damage or per sonal injury Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Catalog No 04 53380002 01 Printed in U S A Form 151 Pg 1 8 09 Replaces New DOMESTIC UNITS Standard 38AP unit packaging con sists of coil protection only Skids are not provided If overhead rigging is not available at the jobsite place the unit on a skid or pad before dragging or rolling When
55. or circuit orientation IMPORTANT Protect the liquid and suction service valves from the heat of brazing Schrader valve cores must be removed from the liquid and suction service valves before brazing in field connection piping to avoid damage Reinsert cores after brazing is completed The refrigerant system must not be opened and exposed to atmosphere for longer than 15 minutes Connection and pump down should be made as soon as possible to avoid acids forming in the compressor POE polyolester oils which could damage the compressors Leak test the entire system by using soap bubbles and nitro gen or R 410A and an electronic leak detector Purge nitrogen or recover R 410A from system after com pletion of leak checking procedure Repair leak if one is found When finished evacuate and dehydrate system using the fol lowing method EVACUATION AND DEHYDRATION Because the 38AP systems use polyolester oil which can absorb moisture it is important to minimize the amount of time that the system interior is left exposed to the atmosphere Minimizing the exposure time of the oil to the atmosphere will minimize the amount of moisture that needs to be removed during evacuation Once all of the piping connections are complete leak test the unit and then pull a deep dehydration vacuum Connect the vacuum pump to the charging valve in the suction line and to the liquid line service valve For best results it is recommended that
56. p Qty A CKT B 8 5 2 13 2 CAPACITY STEPS Standard 2 2 2 2 2 2 4 3 4 3 Digital Option 22 22 22 22 22 22 44 33 44 33 CRANKCASE HEATER W each compressor 90 CONDENSER FANS Standard Propeller Type Direct Drive Quantity 2 2 2 2 2 2 3 3 3 3 RPM 1140 60 Hz 950 50 Hz Diameter in 30 Total Watts 60 Hz 3300 3300 3300 3300 3300 3300 4200 4200 4200 4200 Total Watts 50 Hz 2750 2750 2750 2750 2750 2750 3500 3500 3500 3500 Low Noise Shrouded Axial Fan Direct Drive Quantity 2 2 2 2 3 3 3 3 RPM 850 60 Hz 700 50 Hz Diameter in 30 Total Watts 60 Hz 2750 2750 2750 2750 2750 2750 3500 3500 3500 3500 Total Watts 50 Hz 2300 2300 2300 2300 2300 2300 2900 2900 2900 2900 CONDENSER COIL MCHX Type No Coils per Circuit 1 1 sq ft 27 1 27 1 33 9 33 9 33 9 33 9 67 8 67 8 67 8 67 8 TEMPERATURE RELIEF Fusible Plug on Liquid Lines of Each Circuit 210 F CONNECTIONS in ODF CKT A CKT B Suction Line 13 8 13 8 1 13 8 13 8 H 13 8 13 8 15 8 15 4 15 8 21 8 15 8 15 8 21 8 Liquid Line KA Am 7 8 MAXIMUM HEIGHT FOR 3 SUBCOOLING 75 ft T CAPACITY PER CIRCUIT CKT A CKT B 5050 100 50 50 c 50 50 100 54 46 100 MINIMUM UNIT CAPACITY 50 50 33 LEGEND Microchannel Heat Exchanger Outside Diameter Female MCHX ODF Typical operating charge with 25 ft of interconnecting piping Operating charge is approximate for maximum system capacity Unit is factory supplied
57. rolling use a minimum of 3 rollers When dragging pull the pad or skid Do not apply force to the unit When in final position raise from above to lift unit off the pad or skid EXPORT UNITS All export units are mounted on skids with vertical coil protection Leave the unit on the skid until it is in final position While on the skid the unit can be rolled or skidded Apply force to the skid not to the unit Use a mini mum of 3 rollers when rolling When in final position raise from above to remove the skid PLACING UNITS When considering location of the unit be sure to consult National Electrical Code NEC U S A and local code requirements Allow sufficient space for airflow wiring piping and service The placement area must be level and strong enough to support the operating weight of the unit See Table 5 When unit is in proper location use of mounting holes in base rails is recommended for securing unit to supporting structure For mounting unit on vibration isolators 38AP D 025 6 4 38AP Split System Condensing Unit Refrigeration Circuit Options D Dual Refrigeration Circuit S Single Refrigeration Circuit Nominal Capacity Tons kW 025 25 88 050 50 176 090 90 317 027 27 95 060 60 211 100 100 352 030 30 106 070 70 246 040 40 141 080 80 281 Power Supply 1 575 3 60 2 380 3 60 5 280 230 3 60 6 460 3 60 9 380 415 3 5
58. s vs epoo 4 jeuoneN DIN 198 6121 Ul 87 epis 6 3108 335 301S TINVd 31 25 01 LON wiv r PVT v YO 310N NIW wu saa 013 NIV ith C 16281121 91 8 s Lt 8 1 91 8 s L9 L PIU EE di za 9 59 iz 661 sez seuoui umous suorsueulld 6 91 86 th 8 51 sjeyood YONI 440 Y Buisn pejpueu eq ued 8 22 8 7 GS 9z 9 jou SI 4d e 77 5 9 eowpns pios 6281 Ul ZZ pua 109 90 09 ouise1 jou doy 7 E 9 8 2 SAXO OJ Se S99U8JE9 9 JSNW pun 9 1 8 6 yun 10 pesn si LLL ul Zego v 22 8 lt Buizis uo spuedep ezis ejou jenjoy Jala eui 101560 esiwieujo 10 deo jou oq S r Bum samod 10 si L Buidid Bulzeiq e10jeq seJ09 e z m e esn ns eg SALON AATVA 35 55122 55322 80553814402 84055384402 8 1112812 V 1112812 5 SS329V 039 08 1081102 SNOIL23NNO2 p 19221
59. supplied to the unit terminals is not below or above the listed minimum and maximum limits Maximum allowable phase imbalance is voltage 2 amps 10 All units or modules have single point primary power connection Main power must be supplied from a field supplied disconnect For MCA that is less than or equal to 380 amps 3 conductors are required For MCA between 381 and 760 amps 6 conductors are required Calculation of conductors required is based on 75 C copper wire 31 306 3 176 5 150 2 119 9 143 2 364 5 173 7 179 7 134 1 169 7 409 0 237 8 212 5 160 9 207 5 422 4 204 5 206 1 156 6 196 1 471 4 275 7 242 7 187 2 237 7 SUPPLY VOLTAGE COMPRESSOR CONDENSER FAN e Min Max ay REA LRA Telo 6 0 305 1 3 9 176 5 2 9 149 4 2 4 119 5 2 9 142 4 6 0 363 3 3 9 173 7 2 9 178 9 2 4 133 7 2 9 168 9 6 0 407 8 3 9 237 8 2 9 211 7 2 4 160 5 20 206 7 6 0 420 6 3 9 204 5 2 9 204 9 2 4 156 0 2 9 194 9 6 0 469 6 3 9 275 7 29 241 5 2 4 186 6 2 9 236 5 Wiring for main field supply must be rated 75 Use copper conductors only a Incoming wire size range for terminal block with MCA up to 175 amps is 14 AWG American Wire Gage to 2 0 b Incoming wire size range for terminal block with MCA from 175 1 amps to 420 amps is 2 AWG to 600 kcmil c Incoming wire size range for non fused disconnect with MCA up to 100 amps is 14 AWG to 1 0 d Incoming wire size rang
60. uires installation of supply air temperature sensor and return air temperature sensor Part No 33ZCSENSAT 3 Space Sensor Control Refer to Fig 22 This control also requires installation of supply air temperature sensor and return air temperature sensor Part No 33ZCSENSAT a Space Temperature Sensor with Occupancy Over ride Button Part No 33ZCTS5SPT b Space Temperature Sensor with Occupancy Over ride Button and Set Point Adjustment Slidebar Part No 33ZCT56SPT c Space Temperature Sensor with Occupancy Over ride Button Set Point Adjustment Slidebar and LCD liquid crystal display Display Part No 33ZCT59SPT Variable Air Volume Application Control Options 1 Discharge air temperature control requires installation of supply air temperature sensor and return air temperature sensor Part No 33ZCSENSAT Refer to Fig 23 2 Interface with building automation system may require EMM energy management module or translator accessory Refer to Fig 23 Energy Management Module EMM Option The EMM is available for factory or field installation See Fig 24 for EMM field wiring a TERMINAL BLOCK POWER ENTRY NEUTRAL N EQUIP ND L 380 400 VOLT ONLY 4 o2 1 Eae 1 t 1 1 1 1 1 E 1 1 1 1 1 1 1 1 FIELD POWER SUPPLY GROUND

Carrier 38APD025-100 Air Conditioner User Manual

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