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Johnson Controls

Form 150.72-ICOM6

Issue date: 12/19/2023

Table of contents (cont’d)

Section 9: Service and troubleshooting ............................................................................................................185

Clearing history buffers.................................................................................................................................185

Resetting system lockout faults ....................................................................................................................185

Service mode ...............................................................................................................................................185

Service mode, outputs ..................................................................................................................................185

Service mode, chiller configuration ..............................................................................................................186

Service mode, analog and digital inputs .......................................................................................................186

Control inputs/outputs ..................................................................................................................................187

Checking inputs and outputs ........................................................................................................................189

Optional printer installation ...........................................................................................................................195

Troubleshooting ............................................................................................................................................197

Section 10: Maintenance.....................................................................................................................................199

Compressors ................................................................................................................................................199

Condenser fan motors ..................................................................................................................................199

Condenser round tube coils .........................................................................................................................199

Condenser MCHX ........................................................................................................................................199

Microchannel coil cleaning ...........................................................................................................................199

Operating parameters ..................................................................................................................................202

On-board battery backup ..............................................................................................................................202

Thermal dispersion flow switch ....................................................................................................................202

Brazed plate heat exchanger (evaporator) heater ........................................................................................202

Overall unit inspection ..................................................................................................................................202

Temperature .................................................................................................................................................206

Содержание YLAA0041

Страница 1: ...Fan 40 ton to 230 ton 140 kW to 800 kW R 410A R 454B Issue Date December 19 2023 Air Cooled Scroll Chiller Installation Operation Maintenance Supersedes 150 72 ICOM6 1023 Form 150 72 ICOM6 1223 Produ...

Страница 2: ...this document and any referenced materials This in dividual shall also be familiar with and comply with all applicable industry and governmental standards and regulations pertaining to the task in qu...

Страница 3: ...rmation and any other changes in spelling grammar or formatting are not included Working with chiller vessels which are designed to contain contents under pressure must only be conducted by fully qual...

Страница 4: ...tenance Traditional chiller maintenance is based upon assumed and generalized conditions In lieu of the traditional maintenance program a Johnson Controls YORK Conditioned Based Maintenance CBM progra...

Страница 5: ...ction 34 Moving the chiller 34 Lifting weights 36 Lifting using lugs 36 Lifting using shackles 36 Section 4 Installation 37 Installation checklist 37 Location and clearances 37 Spring isolators option...

Страница 6: ...2 communications 170 Section 8 Unit operation 175 Capacity control 175 Suction pressure limit controls 176 Discharge pressure limit controls 176 Leaving chilled liquid control 176 Leaving chilled liqu...

Страница 7: ...mode analog and digital inputs 186 Control inputs outputs 187 Checking inputs and outputs 189 Optional printer installation 195 Troubleshooting 197 Section 10 Maintenance 199 Compressors 199 Condense...

Страница 8: ...HE 100 Figure 27 Four Fan Units Dimensions YLAA0070SE YLAA0080SE YLAA0089SE 101 Figure 28 Four Fan Units Dimensions YLAA0070ZJ 102 Figure 29 Five Fan Units Dimensions YLAA0100SE 103 Figure 30 Five Fan...

Страница 9: ...60 Table 20 Minimum Maximum and Default Values 171 Table 21 Values Required for BAS Communication 172 Table 22 Real Time Error Numbers 173 Table 23 Sample compressor staging for return water control 1...

Страница 10: ...Johnson Controls 10 Form 150 72 ICOM6 Issue date 12 19 2023 This page is intentionally left blank...

Страница 11: ...rranty Johnson Controls warrants all equipment and materi als against defects in workmanship and materials for a period of eighteen months from date of shipment or 12 months from date of start up whic...

Страница 12: ...f Johnson Controls which re serves all rights They may not be reproduced in whole or in part without prior written authorization from an authorized Johnson Controls representative Misuse of equipment...

Страница 13: ...abrasions and lacerations The use of gloves is recommended Frame rails brakes and other components may also have sharp edges Reasonable care should be taken when working in contact with any components...

Страница 14: ...A2L White symbol on black background For safe operation read the instructions first Black symbol on white background Warning Read operating instructions Black symbol on white background Warning Read...

Страница 15: ...lds a minimum ASTM 1654 rating of 6 Units are designed in accordance with NFPA 70 National Electric Code ASHRAE ANSI 15 Safety code for mechanical refrigeration ASME and rated in accordance with ARI S...

Страница 16: ...OH13953 51 AB OH13953 52 ON OH13953 5 PQ MB SK OH13953 56 NB OH13953 57 NS OH13953 58 PEI OH13953 59 NF OH13953 50 NU OH13953 5N NWT OH13953 5T YU OH13953 5Y Condenser Coils Fin and tube condenser coi...

Страница 17: ...Outdoor air temperature English or Metric data Suction pressure cutout setting Each system suction pressure Discharge pressure optional Liquid Temperature Reset via a Johnson Controls BAS DDC or Build...

Страница 18: ...tage for servic ing Separate external fusing must be supplied by others in the power wiring which must comply with the Na tional Electrical Code and or local codes Single point circuit breaker A unit...

Страница 19: ...tection Service shut off valves additional pressure ports and ex pansion tanks are optional within the hydro kit option Condenser and cabinet options MCHX Condenser protection against corrosive envi r...

Страница 20: ...ed to exposed MCHX end Fac tory Mounted Sound attenuation One or both of the following sound attenuation options are recommended for residential or other similar sound sensitive locations Compressor A...

Страница 21: ...afety Form 150 72 ICOM6 Issue date 12 19 2023 2 Item Description Item Description 1 Fan assemblies 6 Filter drier 2 Condenser coils 7 TXV 3 Power panel 8 Evaporator 4 Control panel 9 Compressors 5 Sig...

Страница 22: ...150 72 ICOM6 Issue date 12 19 2023 Section 1 General chiller information and safety Figure 2 Unit components side view 2 1 3 5 4 Item Description 1 Condenser coils 2 Fan assemblies 3 Condenser coils...

Страница 23: ...on and safety Form 150 72 ICOM6 Issue date 12 19 2023 2 Figure 3 Power panel components Item Description 1 Fan contactor 2 Fan fuses 3 Fan contactor 4 Disconnect switch optional 5 XTBF1 6 Compressor c...

Страница 24: ...tion and safety Figure 4 Power Panel and control components Item Description 1 Fan contactor 2 Fan fuses 3 Control relay 4 Microcomputer control center 5 Display 6 Keypad 7 XTBC1 8 Microboard 9 XTCB2...

Страница 25: ...h Efficiency Z Standard Efficiency Round Tube REF Refrigerant PIN 10 E R 410A J R 454B VOLTS Voltage PIN 11 12 17 200 3 60 28 230 3 60 40 380 3 60 46 460 3 60 58 575 3 60 STARTER Starter PIN 13 X Acro...

Страница 26: ...Displayed Board Not Applicable to eLogia F French G German I Italian RDOUT Readout Kits PIN 23 B Both Discharge Suction Pressure Transducer Readout required Q Special Pressure Readout required SAFETY...

Страница 27: ...al Insulation required FLANGES Flanges PIN 40 X No Flanges required V Grooved Flanges required Q Special Flanges required FLOW Flow Switch PIN 41 X No Flow Switch required S One Flow Switch Required Y...

Страница 28: ...Q Special Enclosure Panels ACOUSTIC Acoustic Blanket PIN 49 X No Acoustic Blanket required B Acoustic Blanket Required E Acoustic Enclosure Q Special Acoustic Blanket required SRDOCS SR Documents PIN...

Страница 29: ...th Shipping Bag B Both Buy American Act Compliance and Container Ready without Shipping Bag Factory Prep C Container Shipped without Shipping Bag Factory Load D Container Shipped with Shipping Bag Fac...

Страница 30: ...L Pump Kit L M Pump Kit M N Pump Kit N O Pump Kit O P Pump Kit P R Pump Kit R S Pump Kit S T Pump Kit T U Pump Kit U V Pump Kit V W Pump Kit W Y Pump Kit Y Z Pump Kit Z PKGOPT Pump Package Options PI...

Страница 31: ...Expansion Valve Solenoid Valve Sight Glass Sensor Pressure or Temperature Service Stop Access Valve Pressure Switch Filter Drier Removable Core S PS T Ambient Air Sensor DV HTC LTC 585 PSIG 650 PSIG 4...

Страница 32: ...Johnson Controls 32 Form 150 72 ICOM6 Issue date 12 19 2023 Section 1 General chiller information and safety This page is intentionally left blank...

Страница 33: ...ifting should only be done by a professional rigger in accordance with a written rigging and lifting plan The most appropriate rigging and lifting method will depend on job specific factors such as th...

Страница 34: ...a location where there is minimal activity in order to limit the risk of ac cidental physical damage To prevent inadvertent operation of the pressure relief devices the unit must not be steam cleaned...

Страница 35: ...6 Issue date 12 19 2023 3 Figure 7 Unit Rigging Lifting LD18120 A B C D Y X Control Panel LD18121 A B C D E F Y X Control Panel 4 6 Fan Units 8 Fan Units 10 Fan Units LD27282 A B C E F G Control Panel...

Страница 36: ...ring loaded pin engages into the hole and the flanges on the lug lock behind the hole The lugs are attached to the cables chains using shack les or safety hooks LOCKING PIN LUG FLANGE LIFTING HOLE IN...

Страница 37: ...nd snow accumulations are expected additional height must be provided to ensure normal condenser air flow Do not smoke smoking or have an open flame in the vicinity of the chiller See Figure 37 on pag...

Страница 38: ...tallation It is important that the following considerations be observed The chilled liquid piping system should be laid out so that the circulating pump discharges di rectly into the cooler The suctio...

Страница 39: ...o more than 3 ft 1 m of light construc tion ductwork should be supported by the unit Where cross winds may occur any ductwork must be support ed to prevent side loading on the unit If the ducts from t...

Страница 40: ...with XTBC2 Termi nals 25 to 26 for system 1 and XTBC2 Terminals 27 to 28 for system 2 See Figure 4 on page 24 Figure 14 on page 46 and unit wiring diagram Alarm status contacts Normally open contacts...

Страница 41: ...Disconnecting 120 VAC power from the unit at or below freezing temperatures can result in damage to the evaporator and unit as a result of the chilled liquid freezing Power Panel Control Panel Termina...

Страница 42: ...must be capable of switching 24 VDC 115 VAC Gold contacts are recommended If sup plied contacts are from a Relay Contac tor Inductive Load the coil of the Relay Contactor must be suppressed Typical su...

Страница 43: ...ntact a professional company if a chemical cleaning to the BPHE is required Chemical cleaning is one of the high risks of BPHE corrosion because any chemical corrosion will void the warranty Do not al...

Страница 44: ...rence in temperature between the two transis tors provides a measurement of fluid velocity past the sensor probe When fluid velocity is high the temperature differential is small As fluid velocity dec...

Страница 45: ...es mount the switch in the rising pipes Mount the thermal dispersion flow switch on the top of the horizontal pipes only if the pipe is fully filled with liquid Mount the thermal dispersion flow switc...

Страница 46: ...S CLOSE RUN BASED ON DAILY SCHEDULE SYSTEM 1 ALARM DRY CONTACTS OPEN ALARM Normally jumpered Can be used as EMERGENCY STOP contacts from an external source All chiller supplied contacts are rated at 1...

Страница 47: ...5 39 4 10 23 3 125 51 7 YLAA0082HE 40 4 4 55 12 8 186 11 7 100 6 3 385 24 3 10 23 3 125 51 7 YLAA0092HE 40 4 4 55 12 8 205 12 9 100 6 3 385 24 3 10 23 3 125 51 7 YLAA0101HE 40 4 4 55 12 8 237 15 0 100...

Страница 48: ...E 0065HE 0070SE B 0080SE C 0082HE 0089SE 0092HE 0100SE 0101HE 0125HE D 0136SE 00139HE 0156HE 0170SE 0081HE E 0120SE 0155SE 0142HE F 0175HE G 200HE H 230HE I 0048HE J 0041HE Evaporator Pressure Drop IP...

Страница 49: ...EZE PT 10 0 1 0 1 0 24 3 1 0 26 2 10 0 1 0 1 0 24 0 1 0 26 0 20 0 1 0 1 0 25 1 1 1 17 9 20 0 1 0 1 0 24 3 1 1 19 0 30 0 1 0 1 0 25 9 1 2 6 7 30 0 1 0 1 0 24 9 1 3 9 0 40 0 1 0 1 0 26 9 1 4 8 1 40 0 1...

Страница 50: ...791 5183 6148 6414 7734 Operating weight lb 3623 3954 4241 4864 5293 6232 6524 7818 Compressors scroll type Compressors per circuit 3 3 3 3 3 3 3 2 2 2 3 3 3 2 3 3 Compressors per unit 6 6 6 5 4 6 5 6...

Страница 51: ...6 Shipping weight lb 3855 3724 3508 3704 4061 4213 4718 Operating weight lb 3877 3754 3552 3748 4145 4295 4791 Compressors scroll type Compressors per circuit 2 2 2 2 2 2 3 2 3 3 3 3 3 3 Compressors p...

Страница 52: ...69 7428 8001 9333 9821 Compressors scroll type Compressors per circuit 3 2 2 2 3 2 3 3 3 2 3 3 3 3 3 3 Compressors per unit 5 4 5 6 5 6 6 6 Nominal tons per compressor Circuit 1 15 32 25 32 32 32 35 4...

Страница 53: ...5293 6232 6524 7818 Compressors scroll type Compressors per circuit 3 3 3 3 3 3 3 2 2 2 3 3 3 2 3 3 Compressors per unit 6 6 6 5 4 6 5 6 Nominal tons per compressor Circuit 1 13 15 15 15 32 32 32 32...

Страница 54: ...50 5835 7705 Compressors scroll type Compressors per circuit 3 3 3 2 3 2 Compressors per unit 6 5 5 Nominal tons per compressor Circuit 1 13 15 32 Circuit 2 13 32 32 Condenser Total face area ft2 106...

Страница 55: ...4718 Operating weight lb 3347 3225 3552 3748 4295 4791 Compressors scroll type Compressors per circuit 2 2 2 2 2 2 3 2 3 3 3 3 Compressors per unit 4 4 4 5 6 6 Nominal tons per compressor Circuit 1 1...

Страница 56: ...428 8001 9333 9821 Compressors scroll type Compressors per circuit 3 2 2 2 3 2 3 2 3 3 3 3 3 3 Compressors per unit 5 4 5 5 6 6 6 Nominal tons per compressor Circuit 1 15 32 25 32 32 35 40 Circuit 2 3...

Страница 57: ...46 460 3 60 414 506 50 380 415 3 50 360 440 58 575 3 60 517 633 Compressor heaters Compressor heaters are standard Smaller compres sors use 70 W heaters and larger compressors use 120 W heaters If pow...

Страница 58: ...0 17 5 116 0 14 0 92 8 J 5 1800 N A N A 13 0 92 0 7 9 55 5 6 5 46 0 5 2 36 8 K 15 3600 N A N A 35 0 232 0 20 9 143 0 17 5 116 0 14 0 92 8 L 20 3600 N A N A 45 0 290 0 28 7 190 0 22 5 145 0 18 0 116 0...

Страница 59: ...4 145 24 4 145 2 4 19 575 60 112 150 125 125 17 4 109 17 4 109 17 4 109 2 2 9 15 3 70 208 60 334 400 350 350 48 5 249 48 5 249 48 5 249 2 7 6 44 230 60 333 400 350 350 48 5 249 48 5 249 48 5 249 2 7 4...

Страница 60: ...00 200 21 5 132 21 5 132 21 5 132 2 2 9 15 3 120 208 60 497 800 600 600 106 2 523 106 2 523 3 7 6 44 230 60 496 800 600 600 106 2 578 106 2 578 3 7 4 37 380 60 300 400 350 350 64 3 355 64 3 355 3 4 5...

Страница 61: ...64 3 355 64 3 355 64 3 355 5 4 5 23 1 460 60 372 600 400 400 53 1 290 53 1 290 53 1 290 5 4 19 575 60 295 400 350 350 42 5 255 42 5 255 42 5 255 5 2 9 15 3 175 208 60 740 1 000 800 800 106 2 523 106 2...

Страница 62: ...5 249 48 5 249 48 5 249 2 7 4 37 380 60 191 250 225 225 27 6 159 27 6 159 27 6 159 2 4 5 23 1 460 60 169 200 175 175 24 4 145 24 4 145 24 4 145 2 4 19 575 60 120 150 125 125 17 4 109 17 4 109 17 4 10...

Страница 63: ...4 7 6 44 230 60 511 600 600 600 106 2 578 106 2 578 4 7 4 37 380 60 309 400 350 350 64 3 355 64 3 355 4 4 5 23 1 460 60 258 400 300 300 53 1 290 53 1 290 4 4 19 575 60 204 250 225 225 42 5 255 42 5 2...

Страница 64: ...800 106 2 523 106 2 523 106 2 523 5 7 6 44 230 60 738 800 800 800 106 2 578 106 2 578 106 2 578 5 7 4 37 380 60 447 600 500 500 64 3 355 64 3 355 64 3 355 5 4 5 23 1 460 60 372 400 400 400 53 1 290 53...

Страница 65: ...169 200 175 175 24 4 145 24 4 145 24 4 145 2 4 19 575 60 120 150 125 125 17 4 109 17 4 109 17 4 109 2 2 9 15 3 80 208 60 363 600 400 400 48 5 249 48 5 249 48 5 249 2 7 6 44 230 60 363 600 400 400 48...

Страница 66: ...8 32 6 168 32 6 168 4 2 9 15 3 155 208 60 618 800 700 700 106 2 652 106 2 652 106 2 652 4 7 6 44 230 60 617 800 700 700 106 2 652 106 2 652 106 2 652 4 7 4 37 380 60 374 600 400 400 64 3 355 64 3 355...

Страница 67: ...4 37 380 60 191 250 225 225 27 6 172 27 6 172 27 6 172 2 4 5 23 1 460 60 169 200 175 175 24 4 145 24 4 145 24 4 145 2 4 19 575 60 120 150 125 125 17 4 114 17 4 114 17 4 114 2 2 9 15 3 80 208 60 363 60...

Страница 68: ...0 26 9 180 26 9 180 4 4 19 575 60 226 400 250 250 21 5 132 21 5 132 21 5 132 4 2 9 15 3 139 208 60 555 800 600 600 106 2 652 106 2 652 4 7 6 44 230 60 553 800 600 600 106 2 652 106 2 652 4 7 4 37 380...

Страница 69: ...44 230 60 731 1 000 800 800 102 8 635 102 8 635 102 8 635 6 7 4 37 380 60 443 600 500 500 62 2 355 62 2 355 62 2 355 6 4 5 23 1 460 60 369 600 400 400 51 4 316 51 4 316 51 4 316 6 4 19 575 60 292 400...

Страница 70: ...208 1 6 500 2 250 500 3 2 0 400 2 3 0 250 1 250 500 230 1 6 500 2 250 500 3 2 0 400 2 3 0 250 1 250 500 380 1 6 500 1 6 350 1 6 350 460 1 6 500 1 6 350 1 6 350 575 1 6 500 1 6 350 1 6 350 YLAA0065 208...

Страница 71: ...0 250 1 250 500 460 1 6 500 1 250 500 2 3 0 250 1 6 350 1 6 350 575 1 6 500 1 6 350 1 6 350 1 6 350 YLAA0089 208 2 6 500 2 250 500 3 2 0 400 2 250 500 3 2 0 400 230 2 6 500 2 250 500 3 2 0 400 2 250...

Страница 72: ...50 500 2 3 0 250 YLAA0136 YLAA0142 208 2 6 500 2 250 500 3 2 0 400 2 250 500 3 2 0 400 230 380 2 6 500 3 2 0 400 2 250 500 2 3 0 250 1 250 500 400 460 1 6 500 1 250 500 2 3 0 250 1 250 500 2 3 0 250 5...

Страница 73: ...g and stopping of the unit and or operation at ambient tempera tures in excess of 95 F 35 C is anticipated 4 Maximum fuse size is based upon 225 of the rated load amps for the largest motor plus 100 o...

Страница 74: ...R KFOL FAN OVERLOAD KFS RELAY FAN SPEED KH HEATER RELAY KM COMPRESSOR CONTACTOR INCLUDING COIL SUPPRESSOR KCR CONTROL RELAY KP PUMP CONTACTOR PART INCLUDING COIL SUPPRESSOR DESIGNATION DESCRIPTION KT...

Страница 75: ...customer connection notes non compliance to these instructions will invalidate unit warranty 2 Wiring and components for compressor 3 only fitted when unit has 3 compressors on the system 1 BMP3 is re...

Страница 76: ...ng details for a unit with two compressor on system 1 56 Soft starter option details shown on sheet 120 of schematic replaces the standard drawing details for a unit with three compressor on system 1...

Страница 77: ...Johnson Controls 77 Section 5 Technical data Form 150 72 ICOM6 Issue date 12 19 2023 This page is intentionally left blank...

Страница 78: ...3 2 1 1 KM1 2 6 6 5 4 3 2 1 1 KM2 2 6 6 5 4 3 2 1 1 KM3 2 10 6 5 4 3 2 1 2 KM2 2 9 6 5 4 3 2 1 2 KM1 F3 6 5 4 3 2 1 1 QMMSC1 6 5 4 3 2 1 1 QMMSC2 6 5 4 3 2 1 1 QMMSC3 6 5 4 3 2 1 2 QMMSC2 6 5 4 3 2 1...

Страница 79: ...XP4 1 XP4 RED BLK 8 5 EXT ACC BDAT J6 2 5 8 2 SCR 8 J11 7 7 12 12 T5 24 VAC 2 1 1 2 1 R PORT 2A RS485 TB5 REF SHD COM HOT ELINK 4 TB1 3 2 1 BLK RED SCR 1 7 4 J8 1 4 7 EXT ACC 1 BST 9 BLK RED SCR 7 4...

Страница 80: ...ECH3 2 1 XTBF EXT 1 SCH3 126 1 XTBF 2 XTB7 1 1 K1 4 1 2 K3 1 1 XTBF 2 XTB8 1 4 K9 V EXT EEH1 EXT EEH2 149 1 XTBF 3 14 11 M2 M1 EXT 1 BMP1 4 14 11 M2 M1 EXT 1 BMP2 8 14 11 M2 M1 EXT 2 BMP2 8 14 11 M2...

Страница 81: ...E EXT 2 YLLSV 2 1 1 8 K18 3 1 7 1 3 K5 6 XTB10 7 1 9 K21 120 1 XTBF 220 2 XTBF 2 S2 1 S1 N L T2 T1 EXT 2 BMP1 2 S2 1 S1 N L T2 T1 EXT 2 BMP2 2 S2 1 S1 N L T2 T1 EXT 2 BMP3 6 1 13 14 1 KCR 1 1 13 14 2...

Страница 82: ...3 2 1 1 KF1 3 6 5 4 3 2 1 1 KF2 PE T3 T2 T1 EXT 1 MF4 PE T3 T2 T1 EXT 1 MF3 1 F4 PE T3 T2 T1 EXT 1 MF1 PE T3 T2 T1 EXT 1 MF2 PE T3 T2 T1 EXT 1 MF5 PE T3 T2 T1 EXT 1 MF6 AMB NB21 350 351 352 150 151 1...

Страница 83: ...6 5 4 3 2 1 2 KF2 7 6 5 4 3 2 1 2 KF1 9 6 5 4 3 2 1 2 KF3 PE T3 T2 T1 EXT 2 MF2 PE T3 T2 T1 EXT 2 MF5 PE T3 T2 T1 EXT 2 MF4 2 F4 PE T3 T2 T1 EXT 2 MF1 450 451 453 GND GND GND GND 250 251 252 256 257 2...

Страница 84: ...1 2 8 9 10 XTB7 X 2 8 1 3 K6 1 4 K7 1 4 K8 9 XP2 8 XP2 10 XP2 127 1 XTBM 81 1 XTBM 82 1 XTBM 84 1 XTBM 128 1 XTBM 85 1 XTBM 129 1 XTBM 87 1 XTBM 88 1 XTBM 4 6 5 4 3 2 1 1 KF2 2 TW TW EXT 1 MF1 352 35...

Страница 85: ...TB10 1 10 K24 Y 2 8 1 9 K22 227 2 XTBM 181 2 XTBM 187 2 XTBM 228 2 XTBM 183 2 XTBM 184 2 XTBM 229 2 XTBM 186 2 XTBM 7 TW TW EXT 2 MF1 8 TW TW EXT 2 MF2 11 TW TW EXT 2 MF5 9 TW TW EXT 2 MF3 10 TW TW EX...

Страница 86: ...2 1 5 2L3 1 5 6 5 4 3 2 1 1 QCB 5 6 3 4 1 2 QSD NB1 NB17 380 415V 3 50 60HZ 575V 3 60HZ 460V 3 60HZ PE L1 L2 L3 2L1 1L1 1 1 1L2 1 1 1L3 1 1 2L1 1 4 2L2 1 5 2L3 1 5 5 6 3 4 1 2 QCB 5 6 3 4 1 2 QSD PE N...

Страница 87: ...Johnson Controls 87 Section 5 Technical data Form 150 72 ICOM6 Issue date 12 19 2023 This page is intentionally left blank...

Страница 88: ...LD27950a AMB NB19 AMB NB52 W2 W1 9 J11 14 J11 5 J11 10 J11 15 J11 3 QMMSP2 2 QMMSP1 6 XTB8 7 XTB8 4 XTB8 4 J11 1 5 K11 6 5 4 3 2 1 6 5 4 3 2 1 1 6 K13 1L1 1 1 1L2 1 1 1L3 1 1 V 2 3 1 1 1 2 1 2 2 2 5...

Страница 89: ...ing DWG 5 LD27950b BLK AMB AMB BLK 6 XTB8 7 XTB8 4 XTB8 9 J11 14 J11 10 J11 15 J11 1 5 K11 1 6 K13 1L1 1 1 1L2 1 1 1L3 1 1 V 2 4 1 1 1 2 1 2 2 2 8 EXT EXT XTBC2 1 XTBF XTBC2 KP2 KP1 DI4 DI1 18 12 E 95...

Страница 90: ...2 STEP 3 POLARITY DIRECTION RESPONSE TIME PULSE PER SECOND VALVE OPERATION INPUT CONFIGURATION TO SYSTEM 2 EEV P15 TO MICROBOARD T3 FROM TRANSFORMER 1T FROM TRANSFORMER 1T ON 2 EEVC S J15 4 43 S J15...

Страница 91: ...Johnson Controls 91 Section 5 Technical data Form 150 72 ICOM6 Issue date 12 19 2023 This page is intentionally left blank...

Страница 92: ...Section 5 Technical data Compressor wiring Figure 22 Compressor Wiring 035 21589 106 REV N 7 9 3 0 7 25 4 7 1 9 8 9 8 1 9 8 9 8 1 7 1 7 6 1 7 6 7 7 7 3 3 9 8 6 7 7 7 3 3 9 8 1 7 1 7 1 7 7 1 7 6 8 6 51...

Страница 93: ...n Controls 93 Section 5 Technical data Form 150 72 ICOM6 Issue date 12 19 2023 5 5 Figure 23 Compressor Wiring Cont d 1 4 25 1 7 1 7 1 7 1 7 1 7 1 7 7 9 9 9 9 9 25 3 5 3 3 7 25 63 5 63 63 7 63 5 63 63...

Страница 94: ...FOUND ON POWER SIDE OF DIVIDER PANEL LA 2L1A 2L1B 2L1C 1L1A B 1L1C 1L2C 1L3C 2L2A 2L2B 2L2C 1L2A B 2L3A 2L3B 2L3C 1L3A B 2L1A 2L2A 2L3A 2L1B 2L2B 2L3B 2L1C 2L2C 2L3C 1L1A 1L2A 1L3A B B B C C C 1L1C 1...

Страница 95: ...C 2L1C 2L3C 2L2C 2L1A 2L2A 2L3A 2L1B 2L2B 2L3B L1 L2 L3 6 4 2 5 3 1 2L3 2L3 2L2 2L2 2L1 2L1 33 305 304 303 A2 A1 22 6 4 2 21 5 3 1 KP2 2 24 302 301 300 A2 A1 22 6 4 2 21 5 3 1 KP1 2 2 5 1 6 4 2 3 1L1...

Страница 96: ...on Controls 96 Form 150 72 ICOM6 Issue date 12 19 2023 Section 5 Technical data Power panel Figure 24 Power Panel 035 21589 101 REV H 7 9 03 4 5 0 3 4 3 4 0 0 1 1 2 25 5 7 5 7 5 3 5 0 2 63 63 63 1 1 0...

Страница 97: ...Johnson Controls 97 Section 5 Technical data Form 150 72 ICOM6 Issue date 12 19 2023 5 5 Figure 25 Power Panel CONT D 7 63 63 2 2 3 1 1 0 8 7 7 6 6 5 0 3 8 9 9 3 4 4 5 5 63 25 7 7 1 0 0 0...

Страница 98: ...8B 220A 227A 24 131A 33 9 8 7 6 5 4 3 2 1 XTB8 1C 1D 23 140A 140C XP4 19C 13K 18C 4 3 2 1 XP4 13I 19B 18B 4 3 2 1 ELINK AMB RED ELINK AMB BLK WHT BLK PORT3 RS485 COM SHD PORT1 J2 PORT2A RS485 PORT2B R...

Страница 99: ...5V GND 5V SHLD GND CTS RTS TB6 1 J4 J13 J11 J9 J8 J7 J6 J1 TB4 TB3 TB2 PL1 TB1 J15 J11 QPA1 BLK J11 QPA2 SCR J11 QPA1 SCR J11 QPA2 RED J11 QPA2 BLK J11 QPA1 RED LK1 A NEG LK1 A POS 15 10 5 14 13 12 1...

Страница 100: ...e unit is no higher than on spring isolators Recommended minimum clearances Side to wall 6 ft rear to wall 6 ft control panel to end wall 4 ft top no obstructions allowed distance between adjacent uni...

Страница 101: ...no obstructions allowed distance between adjacent units 10 ft No more than one adjacent wall may be higher than the unit Figure 27 Four Fan Units Dimensions YLAA0070SE YLAA0080SE YLAA0089SE 1669 65 7...

Страница 102: ...Control s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential performance degradation Access to the unit control cen...

Страница 103: ...ween adjacent units 10 ft No more than one adjacent wall may be higher than the unit Five fan units Dimensions YLAA0100SE LD23533 1678 66 1 1222 48 1 588 21 1 3 VICTAULIC INLET 2256 88 8 2242 88 3 149...

Страница 104: ...l optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential performance degradation Access to the unit control center assumes the unit is no...

Страница 105: ...allowed distance between adjacent units 10 ft No more than one adjacent wall may be higher than the unit LD26940 1177 46 4 2795 110 0 1678 66 1 POWER ENTRY 330 2 13 00 WIDE X 177 8 7 00 HIGH 190mm x 1...

Страница 106: ...ARIES BASED ON CHILLER SELECTED 3 VICTAULIC OUTLET 3 VICTAULIC INLET 2077 3 81 78 82 9 3 26 NOTE Placement on a level surface free of obstructions including snow for winter operation or air circulatio...

Страница 107: ...ion and ease of maintenance Site restrictions may compromise minimum clearances indicated below resulting in unpredictable airflow patterns and possible diminished performance Johnson Control s unit c...

Страница 108: ...5 72 42 1753 2 69 03 194 6 7 66 2077 3 81 78 82 4 3 24 ORIGIN 2169 2 85 40 36 4 1 43 15 9mm 5 8 DIA MOUNTING HOLES TYP NOTE Placement on a level surface free of obstructions including snow for winter...

Страница 109: ...9 03 194 6 7 66 36 4 1 43 ORIGIN 80 3 3 16 2077 3 81 78 15 9mm 5 8 DIA MOUNTING HOLES TYP Note Placement on a level surface free of obstructions including snow for winter operation or air circulation...

Страница 110: ...in the control panel informa tion packet is a drawing and table specifically for each chiller based on the option selection The drawing and table will be similar to the two samples shown below and on...

Страница 111: ...2023 5 5 Clearances See Figure 37 below for minimum clearances for all YLAA units NOTES 1 No obstructions allowed above the unit 2 Only one adjacent wall may be higher than the unit 3 Adjacent units...

Страница 112: ...5 Technical data Isolator locations Four fan isolator locations YLAA0041HE YLAA0048HE YLAA0058HE YLAA0065HE YLAA0081HE YLAA0082HE Four fan isolator locations YLAA0070SE YLAA0080SE YLAA0089SE 1 4 1 4...

Страница 113: ...2 ICOM6 Issue date 12 19 2023 5 5 Five and six fan isolator locations YLAA0100SE YLAA0120SE YLAA0092HE YLAA0101HE All dimensions are inches unless otherwise specified LD18080 Eight fan isolator locati...

Страница 114: ...Issue date 12 19 2023 Section 5 Technical data All dimensions are inches unless otherwise specified Ten fan isolator locations YLAA0170SE YLAA0156HE YLAA0175HE Twelve fan isolator locations YLAA0200H...

Страница 115: ...model p n RATED CAPACITY LB DEFLECTION RATED IN COLOR CODE 029 25334 002 433668 675 1 320 DK PURPLE 029 25334 003 433669 900 1 020 DK GREEN 029 25334 004 433670 1200 0 900 GRAY 029 25334 005 433871 13...

Страница 116: ...all isolator bases to the same elevation 1 4 in maximum difference can be tol erated 4 Bolt or anchor all isolators to supporting structure utilizing base slotted holes C 5 Place equipment on top of i...

Страница 117: ...ctroplate 3 Equipment must be bolted or welded to the top plate to meet allowable seismic ratings 4 All springs are designed for 50 overload capac ity with exception of the 2D 3280N and 2D 2870 5 See...

Страница 118: ...s 6 With all shims E in place position equipment on top of plate A of isolator Bolt equipment securely to top plate of isolator using a minimum of 2 5 8 UNC A325 grade 5 SAE bolts or weld equipment or...

Страница 119: ...e for installation instructions 3 Mount molded in weather resistant duralene com pound as standard Also available in other materi als such as natural rubber extreme high tempera ture silicone high dam...

Страница 120: ...floor housekeeping pad or sub base ensuring that all isolator centerlines match the equipment mounting holes The VMC group recommends that the isolator base A be in stalled on a level surface Shim or...

Страница 121: ...en holding charge These systems must be evacuated with a suitable vacuum pump recovery unit as appropriate to below 500 m Do not liquid charge with static water in the cooler Care must also be taken t...

Страница 122: ...cers Open the liquid line service valve and oil return line ball valve fully in each system Fans Check that all fans are free to rotate and are not dam aged Ensure blades are at the same height when r...

Страница 123: ...within the limits given in Sec tion 5 Technical data Water system Verify the chilled liquid system has been installed cor rectly and has been commissioned with the correct direction of water flow thro...

Страница 124: ...power on Perform the commissioning using the de tailed checks outlined Refer to the Equip ment Pre Startup And Startup Checklist Form 150 72 CL1 as the commissioning procedure is carried out Apply pow...

Страница 125: ...ch to OFF 2 Press the Program key 3 Press the Up Arrow twice and then the Down Ar row twice 4 Press the Enter Advance key 5 Press the Enter Advance key until the Liquid Line solenoid option is display...

Страница 126: ...r nameplate 208 V 230 V 460 V 9906 Motor rated current See motor nameplate 9907 Motor frequency See motor nameplate 50 Hz 60 Hz 1103 Command source mode 0 1300 Analog input 1 signal format U 0 10 1301...

Страница 127: ...A complete the follow ing steps 1 Note the ln value 2 Set l1 the trip setting l1 ln x 0 4 the sum of the dip switch settings For a 200 A trip setting set switches 0 08 and 0 32 in the up position This...

Страница 128: ...full SG 2 off Bottom of SG TRIO COMPRESSOR COMPRESSOR STATUS OIL LEVEL 1 on 1 8 to full SG 2 on Bottom of SG 3 on 1 8 to full SG 1 on 1 8 to full SG 2 off Bottom of SG 3 on 1 8 to full SG 1 off Bottom...

Страница 129: ...has been completed 3 Visually check for refrigerant piping leaks 4 If available open the suction line ball valve dis charge line ball valve and liquid line valve for each system 5 At shutdown check t...

Страница 130: ...hiller is equipped with VSD fans the cycling condenser fan can not be used to confirm phase sequence Use a phase checker or temporarily bypass the VSD before starting a compressor 5 Turn system 2 off...

Страница 131: ...F 5 56 C to 8 33 C 18 in 46 cm from the heat ex changer Set the superheat must be set for no less than 10 F with only a single compressor running on a circuit The superheat is calculated as the diffe...

Страница 132: ...Johnson Controls 132 Form 150 72 ICOM6 Issue date 12 19 2023 Section 6 Commissioning This page is intentionally left blank...

Страница 133: ...controller The IPU II board contains a microprocessor and is the controller The I O board handles all of the chiller I O Inputs and Outputs System inputs from pressure transducers and temperature sen...

Страница 134: ...d DOWN arrow keys The display will update all information at a rate of about 1 a second Display Messages may show characters indicating greater than or less than These characters indicate the actual v...

Страница 135: ...he control panel is in the OFF position which will not allow the unit to run R E M O T E C O N T R O L L E D S H U T D O W N The REMOTE CONTROLLED SHUTDOWN mes sage indicates that either an ISN system...

Страница 136: ...is a factory set limit to keep the system from faulting on the high discharge pressure cutout due to high load or pull down conditions When the unload point is reached the microprocessor will automati...

Страница 137: ...nly be used in emergencies or for servicing Manual override mode automatically disables itself after 30 minutes S Y S 1 P U M P I N G D O W N S Y S 2 P U M P I N G D O W N The PUMPING DOWN message ind...

Страница 138: ...ot be reset until the fault condition is resolved This fault condition is present when CR1 SYS 1 or CR2 SYS 2 relays de energize due to the HP switch or motor protector opening This causes the respect...

Страница 139: ...ates that both the manual motor starters protecting the pumps from short circuit or overload conditions have tripped or both have been set to OFF Setting at least one of the devices to ON resets the t...

Страница 140: ...t When the operating envelope is disabled the discharge pressure cutout is the programmable cutout When the operating envelope is a standard operating envelope and the suction pressure is less than 94...

Страница 141: ...R R Low superheat cutout EEV mode only The Low Superheat Cutout protects the compressors from liquid flowing back due to low suction superheat This safety is only active when EEV is selected as the ex...

Страница 142: ...uction Pressure 3x 17 System Fault System High Motor Current System Current Feedback option 3x 18 System Fault Motor Protector High Pressure Mechanical 3x 19 System Fault Low Evaporator Temperature R4...

Страница 143: ...tn Unit Warning Message Rem Stop No Run Permissive Flow Switch Open Incorrect Unit Type Unit Warning Message High Motor Current System X Switch Off System X Comps Run System X AR Timer System X AC Tim...

Страница 144: ...N arrow keys or the ENTER ADV key located under the ENTRY section System 2 information will only be dis played for 2 system units Display print keys With the UNIT TYPE set as a liquid chiller no jumpe...

Страница 145: ...e display of COOLING DEMAND indicates the current step in the capacity control scheme when in Return Water Control Mode The number of available steps are determined by how many compressors are in the...

Страница 146: ...formation E V A P O R A T O R W A T E R P U M P S T A T U S X X X X The evaporator pump dry contacts are energized when any compressor is running or the unit is not OFF on the daily schedule and the u...

Страница 147: ...g selections This data will be temporarily stored in memory and trans mission of this data will begin to the printer A sample Operating Data printout is shown below Note Not all values are printed for...

Страница 148: ...on on page 195 for Printer Installation information History printout Pressing the PRINT key and then the HISTORY key allows the operator to obtain a printout of information relating to the last 9 Safe...

Страница 149: ...ss to many unit and system operating parameters at the time of a unit or system safety shutdown When the HISTORY key is pressed the following message is displayed D I S P L A Y S A F E T Y S H U T D O...

Страница 150: ...nd Range if the chiller is programmed for return chilled liquid control A M B I E N T A I R T E M P X X X X F Displays the Ambient Temp at the time of the fault L E A D S Y S T E M I S S Y S T E M N U...

Страница 151: ...s the number of Fan Stages in the system active at the time of the fault S Y S X A C T U A L A M P S X X X X A M P S Software version The software version may be viewed by first pressing the HISTORY k...

Страница 152: ...UP arrow key and DOWN arrow key are also used for programming the control panel such as changing numerical or text values when programming cooling setpoints setting the daily schedule changing safety...

Страница 153: ...e set point display entry screen will appear Setpoints keys 00069VIP Leaving chilled liquid control S E T P O I N T 4 5 0 F R A N G E 2 0 F The above message shows the current chilled water temperatur...

Страница 154: ...trol range If the control mode has been programmed for RETURN LIQUID control the message below would be displayed in place of the pre vious message When in leaving chilled liquid temperature control t...

Страница 155: ...the stop time pressing the ENTER ADV key will advance the schedule to the following display S __ M T W T F S H O L I D A Y N O T E D B Y The line below the empty space next to the S is the cursor and...

Страница 156: ...pressure drops below the cutout point the system will shut down Typically the cutout should be set to 87 psig 6 00 bar form water cooling There are some exceptions when the suc tion pressure is permit...

Страница 157: ...ure is the programmed pres sure value that is used to stage the condenser fans on in relation to discharge pressure See Standard condenser fan control on page 179 in Section 7 Unit controls and Table...

Страница 158: ...F 36 0 F 36 0 F 18 3 C 2 2 C 2 2 C Anti recycle timer 300 s 600 s 600 s Fan control on pressure 360 psig 485 psig 385 psig 24 8 barg 33 4 barg 26 5 barg Fan differential off pressure 80 psid 160 psid...

Страница 159: ...8 96 barg 26 89 barg VSD fan low ambient discharge pressure control range 60 psig 120 psig 90 psig 4 14 barg 8 27 barg 6 21 barg Cooling suction superheat setpoint 5 0 F differential 18 0 F differenti...

Страница 160: ...ec 1 s 60 s 1 s Fan speed control single speed CE and standard NA use staged fan Control SINGLE SPEED or STANDARD YLAA TWO SPEED FANS YLAA VSD FANS SINGLE SPEED Two comp fan speed ref 1 VSD Fans 1 Inc...

Страница 161: ...r or Condensing Unit STANDARD or YCWL HP STANDARD Operating Envelope 031 02755 004 R 410A R 454B DISABLE STANDARD or EXTENDED DISABLE Sys 1 2 Comp Sequence 031 02755 004 AUTO COMP 1 COMP 2 or COMP 3 A...

Страница 162: ...under the OPTIONS key The OPTIONS key is used to scroll through the list of options by repeatedly pressing the OPTIONS key After the selected option has been dis played the UP and DOWN arrow keys are...

Страница 163: ...85 inputs The chiller will communicate and send data to the remote monitoring devices or L O C A L R E M O T E M O D E R E M O T E This mode should be selected when an ISN or RCC control is to be used...

Страница 164: ...YS 1 lead option MUST be chosen if Hot Gas Bypass is installed or L E A D L A G C O N T R O L M A N U A L S Y S 2 L E A D SYS 2 selected as lead compressor or L E A D L A G C O N T R O L A U T O M A T...

Страница 165: ...n J11 7 and J11 12 on the I O Board Reapply power to the micro panel and the micropro cessor will store the change Option 14 Refrigerant type R E F R I G E R A N T T Y P E R 4 1 0 A Refrigerant type R...

Страница 166: ...programmable according to the type of input used The following op tions are available DISABLED default 0 0 10 0 DC 2 0 10 0 V DC 0 0 20 0 mA 4 0 20 0 mA The options display message for Remote Temp Res...

Страница 167: ...T E M S When programmed for hot gas bypass type Both Sys tems the condensing units operating in suction pres sure control operate independent of the lead lag sys tem All other units will use the hot g...

Страница 168: ...time and date should be correct To change the day time and date press the CLOCK key The display will show something similar to the following T O D A Y I S F R I 0 8 5 1 A M 2 5 J A N 0 2 The line unde...

Страница 169: ...low Local Remote Mode Unit Control Mode Return or Leaving Display Units English or Metric System Lead Lag Control Manual or Automatic Fan Control Mode Manual Override Mode Current Feedback Option Soft...

Страница 170: ...to TB2 Network 1 to TB2 1 Network 1 to TB2 1 RS 232 connect to TB3 Network RX to TB3 TXD Network TX to TB3 RXD Network GND to TB3 GND See Figure 47 on page 171 for TB1 TB2 and TB3 locations In most c...

Страница 171: ...FIER ADDRESS 1 41943 1 DE MODIFIER OFFSET 1 99 1 P1 BAUD RATE 1200 76800 4800 1200 4800 9600 19200 38400 76800 AUTO SELECTABLE P2 BAUD RATE 1200 57600 1200 1200 4800 9600 19200 38400 57600 SELECTABLE...

Страница 172: ...operating software version 04 C MMC 13 04 C MMC 14 04 or C MMC 16 04 or higher required for N2 protocol functionality BACnet and Modbus communications Chiller data that can be read and modified using...

Страница 173: ...quare inch Pa Pascals kPa Kilopascals PPM Part per Mil lion kJ kg Kilojoules per Kilogram 4 Water Cooled Scroll units use the same firmware as Air Cooled Scroll units ignoring Fan Control The followin...

Страница 174: ...it will revert back to all local control values These values are found under feature 54 in the E Link Gateway Transmitted data After receiving a valid transmission from the E Link Gateway the unit wil...

Страница 175: ...ences as the lead system after the lead system has run for five min utes See the section on Capacity Control for a detailed explanation of system and compressor staging 7 As the load decreases below s...

Страница 176: ...ressors will be energized at a rate of once every 60 seconds if the chilled liquid temperature remains above the Setpoint High Limit and the chilled liquid temperature is dropping less than 3 F min Th...

Страница 177: ...sor cycling the microprocessor ad justs the setpoint upward temporarily The last run time of the system is saved If the last run time was greater than 5 minutes do not take any action If the last run...

Страница 178: ...d unload systems The microprocessor will lead lag com pressors within each circuit to maximize individual com pressor run time for the purpose of lubrication It will also prevent the same compressor f...

Страница 179: ...lways fixed at 5 seconds When a fan stage is turned ON by pressure the on pressure for the next stage is increased 20 psig and ramped back to the programmed on pressure over the next 20 seconds Typica...

Страница 180: ...MF2 1 MF3 1 MF2 1 MF1 1 MF2 1 MF3 1 MF4 1MF5 1 MF1 1 MF2 2 MF1 2 MF2 2 MF3 2 MF1 1 MF1 1 MF2 2 MF1 2 MF2 2 MF3 2 MF4 1 MF4 1 MF5 2 MF3 2 MF2 1 MF3 1 MF6 1 MF1 1 MF2 2 MF2 2 MF3 2 MF5 2 MF6 1 MF4 1 MF5...

Страница 181: ...KF1 and 2 KF2 1 MF1 and 1 MF2 2 MF1 and 2 MF2 3 DP PROGRAMMED FAN CONTROL ON PRESSURE AND FAN STAGES 1 AND 2 ARE ENERGIZED DP PROGRAMMED FAN CONTROL ON PRESSURE MINUS PROGRAMMED DIFFERENTIAL PRESSURE...

Страница 182: ...nd 2 KF2 1 MF1 and 1 MF2 and 1 MF3 2 MF1 and 2 MF2 and 2 MF3 3 DP PROGRAMMED FAN CONTROL ON PRESSURE AND FAN STAGES 1 AND 2 ARE ENERGIZED DP PROGRAMMED FAN CONTROL ON PRESSURE MINUS PROGRAMMED DIFFERE...

Страница 183: ...ccom plished by closing contacts connected to the Load Limit XTBC1 terminals 13 21 and PWM inputs XTBC1 terminals 13 20 Stage 1 of load limiting involves closing the Load Limit input Stage 2 of load l...

Страница 184: ...lowing formula Setpoint Local Chilled Liquid Setpoint Reset Reset DC voltage signal x Max Reset Value 10 Example Local Chilled Liquid Setpoint 45 F 7 22 C Max Reset Value 20 F 11 11 C Input Signal 6 V...

Страница 185: ...DATA LOGGING TIMER X SECS SOFT START disabled REFRIGERANT TYPE R 410A only EXPANSION VALVE TYPE Thermostatic Only REMOTE TEMP RESET OPTION REMOTE INPUT SERVICE TIME Section 9 Service and troubleshoot...

Страница 186: ...OT MODIFY DATA LOGGING TIMER DO NOT MODIFY SOFT START REFRIGERANT TYPE EXPANSION VALVE TYPE REMOTE TEMP RESET OPTION REMOTE INPUT SERVICE TIME FEATURE SET PUMP CONTROL SELECTION SYS 1 HOURS SYS 2 HOUR...

Страница 187: ...r Two Sys J13 8 CR1 Sys 1 Motor Protector High Pressure Cutout J13 10 CR2 Sys 2 Motor Protector High Pressure Cutout Table 28 I O Digital Outputs TB7 2 SYS 1 Compressor 1 TB7 3 SYS 1 Liquid Line Solen...

Страница 188: ...s 188 Form 150 72 ICOM6 Issue date 12 19 2023 Section 9 Service and troubleshooting Figure 51 Microboard Layout TB5 TB1 TB6 TB7 TB8 TB9 TB10 J14 J13 J12 J15 J11 J10 J9 J8 J7 J6 J5 J3 I O BOARD IPU BOA...

Страница 189: ...r digital input Typically voltages of 24 VDC to 36 VDC could be measured for the DC voltage on the digital inputs This voltage is in reference to ground The unit case should be sufficient as a referen...

Страница 190: ...0for voltage readings that cor respond to specific liquid temperatures J6 1 drain shield connection 0 VDC return Analog inputs pressure See the unit wiring diagram Pressure inputs are con nected to th...

Страница 191: ...fic discharge pressures J9 7 5 VDC return J9 2 drain shield connection 0 VDC The suction transducers have a range from 0 to 400 psig 27 5 barg The output will be linear from 0 5 VDC to 4 5 VDC over th...

Страница 192: ...FAN 3 TB7 10 TB7 8 SYS 1 FAN 2 TB8 2 HEAT EXCH HEATER Data logging to flash Enabling Data Logging to Flash The user can enable data logging to an SD card in the unit setup mode When data logging is EN...

Страница 193: ...Run Time 20 S1 Operating Code x Sys 1 Operational Code 21 S1 Fault Code x Sys 1 Fault Code 22 S1 Suct Press psig x x Sys 1 Suction Pressure 23 S1 Act_Spc psig x x Sys 1 Actual Suction Pressure Cutout...

Страница 194: ...Solenoid Valve Status 58 S2 Hot Gas x Sys 2 Hot Gas Bypass Solenoid Valve Status 59 S2 Fan Stage x Sys 2 Condenser Fan Stage 60 S2 Fan Speed x Sys 2 VSD Fan Speed VSD Fans 61 S2 Comp Seq x Sys 2 Progr...

Страница 195: ...Int Cont In x Sys 2 CSHALG_INTEGRAL_CONTRIBUTION_INDEX 0 1000000 in x10000 format 84 S2 Der Cont In x Sys 2 CSHALG_DERIVATIVE_CONTRIBUTION_INDEX 0 10000 in x100 format 85 S1 Thr Limit x Sys 1 CSHALG_...

Страница 196: ...d at printer end Shield connect shield to Pin 5 of the connector Assembly and wiring Assemble and wire all components as shown in Figure 53 Strip the outside insulation back several inches and individ...

Страница 197: ...tch 3 Replace flow switch 4 Remote cycling device open 4 Check cycling devices connected to terminals 13 and 14 of the XTBC1 Terminal Block Low suction pressure fault 1 Improper suction pressure cutou...

Страница 198: ...fy compressor is not overloaded 2 External overload tripped 2 Determine cause and reset 3 HPCO switch open 3 See High Press Disch Fault 4 Defective HPCO switch 4 Replace HPCO switch 5 Defective CR rel...

Страница 199: ...t compressor failure Never use the scroll compressor to pump the refrigerant system down into a vacu um Doing so will cause internal arcing of the compressor motor which will result in failure of comp...

Страница 200: ...water through every passage in the heat exchanger surface until it is clean For YLAA chiller rinse the microchannel coils from the inside out through the access window on the V Panel and the round th...

Страница 201: ...remium microchannel coils only Salt reducer solution is available from Johnson Controls Aftermarket Parts Centers in all global regions Mix the cor rect amount of salt reducer solution and water in ac...

Страница 202: ...iption 013 04185 000 Cleaner coil 4 gal 1 gal 013 04185 001 Cleaner coil 1 gal 013 04186 000 Reducer salt 4 gal 1 gal 013 04186 001 Reducer salt 1 gal 013 04187 000 Paint touch up 12 oz 013 04188 000...

Страница 203: ...4 84 4 74 165 2 188 86 7 76 168 8 192 88 9 78 172 4 196 91 1 80 176 200 93 3 82 179 6 204 95 6 84 183 2 208 97 8 86 186 8 212 100 0 88 190 4 216 102 2 90 194 220 104 4 92 197 6 224 106 7 94 201 2 228...

Страница 204: ...18 30 120 41 20 28 125 43 22 26 130 45 24 24 135 47 26 20 140 49 28 18 145 51 30 16 150 53 32 14 160 57 34 12 170 60 36 10 180 64 38 8 190 67 40 6 200 70 42 4 210 73 44 3 220 76 46 2 225 78 48 0 235...

Страница 205: ...100 37 12 34 105 39 14 31 110 42 16 28 115 44 18 26 120 46 20 23 125 48 22 21 130 51 24 18 135 52 26 16 140 54 28 14 145 56 30 12 150 58 32 10 160 60 34 8 170 66 36 6 180 69 38 4 190 72 40 2 200 76 42...

Страница 206: ...hrenheit to Celsius multiply by 5 9 or 0 5556 Example 10 0 F range x 0 5556 5 6 C range Table 40 SI metric conversion Measurement Multiply English unit By factor To obtain metric unit Capacity Tons Re...

Страница 207: ...Johnson Controls 207 Section 10 Maintenance Form 150 72 ICOM6 Issue date 12 19 2023 This page is intentionally left blank...

Страница 208: ...notice Printed in USA www johnsoncontrols com All Rights Reserved 5000 Renaissance Drive New Freedom Pennsylvania USA 17349 Copyright by Johnson Controls 2023 Form 150 72 ICOM6 1223 Issue Date Decemb...

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