Johnson Controls YORK Tempo YLAA Series Installation Operation & Maintenance Download

Page: 168 / 192

JOHNSON CONTROLS

168

FORM 150.72-NM1 (1020)

Service and Troubleshooting

FIG. 29 – MICROBOARD LAYOUT

TB5

TB1

TB6

TB7

TB8

TB9

TB10

J14

J13

J12

J15

J11

J10

I/O BOARD

IPU
BOARD

JP1

LD12721

Summary of Contents for YORK Tempo YLAA Series

Page 1: ...TYLE A 60 Hz 70 175 TON 246 613 KW INSTALLATION OPERATION MAINTENANCE AIR COOLED LIQUID CHILLERS HERMETIC SCROLL Supersedes 150 72 NM1 110 Form 150 72 NM1 1020 R 410A 035 21911 000 Interim Products ar...

Page 2: ...dividual shall also be familiar with and comply with all applicable governmental standards and regulations pertaining to the task in question SAFETY SYMBOLS The following symbols are used in this docu...

Page 3: ...is available REVISION NOTES Revisions made to this document are indicated in the following table These revisions are to technical information and any other changes in spelling grammar or formatting a...

Page 4: ...JOHNSON CONTROLS 4 FORM 150 72 NM1 1020 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 5: ...Refrigerants and Oils 17 High Temperature and Pressure Cleaning 17 Emergency Shutdown 17 SECTION 2 PRODUCT DESCRIPTION 19 INTRODUCTION 19 GENERAL SYSTEM DESCRIPTION 19 Compressors 19 Cooler Evaporator...

Page 6: ...ISOLATORS OPTIONAL 40 COMPRESSOR MOUNTING 40 REMOTE COOLER OPTION 40 CHILLED LIQUID PIPING 40 PIPEWORK ARRANGEMENT 41 DUCT WORK CONNECTION 42 General Requirements 42 WIRING 42 Evaporator Pump Start C...

Page 7: ...olator Locations 103 ISOLATOR INFORMATION For units shipped on or after June 15 2008 106 One Inch Deflection Spring Isolator Cross reference 106 One Inch Deflection Spring Isolators Installation Instr...

Page 8: ...120 Temperature Sensor s 120 EQUIPMENT PRE STARTUP AND STARTUP CHECKLIST 121 Pre Startup 121 Startup 121 SETPOINTS ENTRY LIST 122 CHECKING SUPERHEAT AND SUBCOOLING 123 LEAK CHECKING 123 UNIT OPERATING...

Page 9: ...OPTIONS PROGRAMMING QUICK REFERENCE LIST 154 SECTION 8 UNIT OPERATION 155 CAPACITY CONTROL 155 SUCTION PRESSURE LIMIT CONTROLS 155 DISCHARGE PRESSURE LIMIT CONTROLS 155 LEAVING CHILLED LIQUID CONTROL...

Page 10: ...nputs Pressure 171 Digital Outputs 172 OPTIONAL PRINTER INSTALLATION 173 Parts 173 Assembly and Wiring 173 Obtaining a Printout 173 TROUBLESHOOTING 174 SECTION 10 MAINTENANCE 177 IMPORTANT 177 COMPRES...

Page 11: ...RING DIAGRAM SHT 2 74 FIG 14 ELEMENTARY WIRING DIAGRAM SHT 3 76 FIG 15 ELEMENTARY WIRING DIAGRAM SHT 4 78 FIG 16 CONNECTION DIAGRAM SHT 1 80 FIG 17 CONNECTION DIAGRAM SHT 2 82 FIG 18 CONNECTION DIAGRA...

Page 12: ...JOHNSON CONTROLS 12 FORM 150 72 NM1 1020 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 13: ...L FOR 4 COMPRESSORS 6 STEPS 158 TABLE 16 RETURN CHILLED LIQUID CONTROL FOR 4 COMPRESSORS 6 STEPS 158 TABLE 17 YLAA STANDARD CONDENSER FAN CONTROL USING DISCHARGE PRESSURE ONLY 2 3 OR 4 FANS PER SYSTEM...

Page 14: ...JOHNSON CONTROLS 14 FORM 150 72 NM1 1020 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 15: ...at the failure has occurred within the warranty period and that the unit has been operated within the designed parameters specified All warranty claims must specify the unit model serial number order...

Page 16: ...ponsibility and or local safety regulations This manual and any other document supplied with the unit are the property of Johnson Controls which reserves all rights They may not be reproduced in whole...

Page 17: ...rp Edges The fins on the air cooled condenser coils have sharp metal edges Reasonable care should be taken when working in contact with the coils to avoid the risk of minor abrasions and lacerations T...

Page 18: ...JOHNSON CONTROLS 18 FORM 150 72 NM1 1020 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 19: ...s 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 Sta...

Page 20: ...d They feature ball bearings that are double sealed and permanently lubricated Ambient Kit High Required if units are to operate when the ambient temperature is above 115 F 46 C Includes discharge pre...

Page 21: ...e standard Intensity of Protection European Standard International Electrotechnical Commission The operating program is stored in non volatile memory battery backed RAM to eliminate chiller failure du...

Page 22: ...Control Transformer Converts unit power voltage to 115 1 60 2 0 or 3 0 KVA capacity Factory mounting includes primary and secondary wiring between the transformer and the control panel Factory mounted...

Page 23: ...oosing any of the following options For additional application recommendations refer to FORM 150 1 ES1 Factory mounted Post Coated Dipped Condenser Coils The unit is built with dipped cured condenser...

Page 24: ...losed by an acous tic sound blanket The sound blankets are made with one layer of acoustical absorbent textile fiber of 5 8 15mm thickness one layer of anti vibrating heavy material thickness of 1 8 3...

Page 25: ...1020 25 JOHNSON CONTROLS 2 FIG 1 UNIT COMPONENTS FRONT UNIT COMPONENTS COMPRESSORS EVAPORATOR SIGHT GLASS CONDENSER COILS CONDENSER COIL FILTER DRIERS POWER PANEL POWER PANEL CONTROL PANEL FAN ASSEMBL...

Page 26: ...JOHNSON CONTROLS 26 FORM 150 72 NM1 1020 Product Description FIG 2 UNIT COMPONENTS SIDE UNIT COMPONENTS CONT D FAN ASSEMBLIES CONDENSER COILS CONDENSER COILS EVAPORATOR RECEIVERS LD13426...

Page 27: ...72 NM1 1020 27 JOHNSON CONTROLS 2 LD13247 FIG 3 POWER PANEL COMPONENTS CONTROL POWER PANEL COMPONENTS COMPRESSOR CONTACTORS XTBF1 FAN CONTACTORS FAN CONTACTOR COMPRESSOR OVERLOADS FAN FUSES DISCONNEC...

Page 28: ...ption CONTROL POWER PANEL COMPONENTS CONT D FIG 4 POWER PANEL CONTROL COMPONENTS COMPRESSOR OVERLOADS COMPRESSOR CONTACTORS FAN CONTACTORS FAN FUSES CONTROL RELAY MICROCOMPUTER CONTROL CENTER MICROPAN...

Page 29: ...ATURE DESCRIPTION OPTION DESCRIPTION CONTRACT CONTRACT NUMBER NUM CONTRACT NUMBER CONTRACT NUM ORDER ORDER QUANTITY QTY ORDER QUANTITY ORDER QTY USA USA ORIGIN N USA ORIGIN NOT REQUIRED Y USA ORIGIN R...

Page 30: ...L TRANSFORMER REQUIRED Q SPECIAL CONTROL TRANSFORMER REQUIRED PFC POWER FACTOR CAPACITOR 19 X NO POWER CAPACITOR REQUIRED C POWER CAPACITOR REQUIRED Q SPECIAL POWER CAPACITOR REQUIRED AMB AMBIENT KITS...

Page 31: ...34 X X Q SPECIAL QUOTE OVERLOAD PIN 35 X X Q SPECIAL QUOTE PIN36 PIN 36 X X Q SPECIAL QUOTE HTR CRANKCASE HEATER PIN 37 H CRANKCASE HEATER STANDARD Q SPECIAL CRANKCASE HEATER REQUIRED DWP DWP PIN 38...

Page 32: ...LOUVERED ENCL PANELS FIELD 5 LOUVERED COND ONLY ENCL PANELS FACTORY 6 LOUVERED COND ONLY ENCL PANELS FIELD 7 LOUVERED FULL UNIT ENCL PANELS FACTORY 8 LOUVERED FULL UNIT ENCL PANELS FIELD 9 END LOUVER...

Page 33: ...IN 57 X NO CONTAINERIZATION REQUIRED WITH SHIPPING BAG A BUY AMERICAN ACT COMPLIANCE WITH SHIPPING BAG B BOTH BUY AMERICAN ACT COMPLIANCE AND CONTAINER SHIPPED WITHOUT SHIPPING BAG FACTORY PREP C CONT...

Page 34: ...OIL EQUALIZING LINE AIR COOLED CONDENSERS DX COOLER LEAVING CHILLED WATER ENTERING CHILLED WATER OPTIONAL SERVICE VALVE OPTIONAL DISCHARGE PRESSURE TRANSDUCER HIGH PRESSURE CUTOUT SWITCH OPTIONAL SERV...

Page 35: ...Options Compressors Control Functions DV Display Value CHT Chilled Liquid Temperature HPC High Pressure Cutout LPC Low Pressure Cutout HPL High Pressure Load Limiting LTC Low Temperature Cutout Compon...

Page 36: ...JOHNSON CONTROLS 36 FORM 150 72 NM1 1020 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 37: ...ect the unit to ensure that all components have been delivered and that no damage has occurred during transit If any damage is evident it should be noted on the carrier s freight bill and a claim ente...

Page 38: ...s hitting the chiller Never lift the chiller using a forklift or by hooking to the top rails Use only the lifting holes provided Lifting Instructions are placed on a label on the chiller and on the sh...

Page 39: ...hipped as completely assembled units containing full operating charge and care should be taken to avoid damage due to rough handling SECTION 4 INSTALLATION INSPECTION Immediately upon receiving the un...

Page 40: ...will be furnished Identify the isolator locate at the proper mounting point and adjust per instructions COMPRESSOR MOUNTING The compressors are mounted on four 4 rubber isolators The mounting bolts s...

Page 41: ...during low ambient periods and to prevent formation of condensation on lines in warm humid locations As an alternative ethylene glycol should be added to protect against freeze up during low ambient...

Page 42: ...and maximum dual element fuse size are given in Tables 5 Copper power wiring only should be used for supplying power to the chiller This is recommended to avoid safety and reliability issues resultin...

Page 43: ...ing diagram Load Limit Input Load limiting is a feature that prevents the unit from loading beyond a desired value The unit can be load limited either 33 40 50 66 or 80 depending on the number of comp...

Page 44: ...20VAC Disconnecting 120VAC power from the unit at or below freez ing temperatures can result in damage to the evaporator and unit as a result of the chilled liquid freezing Power Panel Control Panel T...

Page 45: ...can result in dam age to the evaporator and unit as a result of the chilled liquid freezing LD13130 XTBC1 A A 14 13 50 13 21 13 20 13 19 13 18 13 51 13 INTERNAL WIRING TO OPTIONAL REMOTE TEMP RESET B...

Page 46: ...100 VA resistive load only and must be suppressed at the load by user if powering an inductive load Relay Contactor Coil Typical sup pressor P N is 031 00808 000 LD13242 XTBC2 140 123 32 31 30 29 28 2...

Page 47: ...cation guidelines 3 The evaporator is protected against freezing to 20 F 28 8 C with an electric heater as standard 3 For operation at temperatures below 25 F 3 9 C the optional Low Ambient Kit will n...

Page 48: ...100 0 10 100 1000 Water Flow Rate GPM Pressure Drop ft H2O A B C D TABLE 3 ETHYLENE AND PROPYLENE GLYCOL CORRECTION FACTORS ETHYLENE GLYCOL WEIGHT TONS kW COMPR GPM F TON PRESS DROP FREEZE PT 10 0 985...

Page 49: ...FORM 150 72 NM1 1020 49 JOHNSON CONTROLS THIS PAGE INTENTIONALLY LEFT BLANK...

Page 50: ...435 5835 6072 6473 7260 7415 7705 8429 COMPRESSORS SCROLL TYPE Compressors per Circuit 3 3 3 3 3 2 3 2 2 2 3 2 3 2 3 2 3 2 3 3 Compressors per Unit 6 6 5 5 4 4 5 5 5 6 Nominal Tons per Compressor Circ...

Page 51: ...92 2 76 2 76 3 28 3 33 3 33 3 33 4 99 2 76 4 99 3 33 4 99 4 99 5334 5569 6485 6997 7582 8313 5762 5997 6913 7549 8039 8956 2 2 3 2 2 2 3 2 3 2 3 3 4 5 4 5 5 6 15 32 15 32 32 32 32 15 32 32 32 15 32 32...

Page 52: ...5 MICRO PANEL POWER SUPPLY VOLTAGE RANGE VOLTAGE CODE UNIT POWER MIN MAX 17 200 3 60 180 220 28 230 3 60 207 253 40 380 415 3 60 342 440 46 460 3 60 414 506 50 380 415 3 50 342 440 58 575 3 60 517 63...

Page 53: ...UAL ELEMENT FUSE DISC SW DISCONNECT SWITCH FACT MOUNT CB FACTORY MOUNTED CIRCUIT BREAKER FLA FULL LOAD AMPS HZ HERTZ MAX MAXIMUM MCA MINIMUM CIRCUIT AMPACITY MIN MINIMUM MIN NF MINIMUM NON FUSED RLA R...

Page 54: ...500 500 55 8 425 55 8 425 55 8 425 2 7 4 37 0 380 60 286 400 350 350 36 0 239 36 0 239 36 0 239 2 4 5 22 3 460 60 223 250 250 250 26 9 187 26 9 187 26 9 187 2 4 0 19 0 575 60 197 250 225 225 23 7 148...

Page 55: ...19 0 49 4 239 23 7 148 2 2 9 14 6 109 6 599 110 599 3 7 6 30 9 109 6 599 110 599 3 7 4 37 0 69 2 358 69 2 358 3 4 5 22 3 54 5 310 54 5 310 3 4 0 19 0 49 4 239 49 4 239 3 2 9 14 6 109 6 599 109 6 599...

Page 56: ...99 109 6 599 4 7 4 37 0 380 60 330 400 350 350 69 2 358 69 2 358 4 4 5 22 3 460 60 264 400 300 300 54 5 310 54 5 310 4 4 0 19 0 575 60 233 400 250 250 49 4 239 49 4 239 4 2 9 14 6 YLAA0141 HE 208 60 5...

Page 57: ...6 599 110 599 4 7 6 30 9 109 6 599 110 599 4 7 4 37 0 69 2 358 69 2 358 4 4 5 22 3 54 5 310 54 5 310 4 4 0 19 0 49 4 239 49 4 239 4 2 9 14 6 109 6 599 55 8 425 3 7 6 30 9 109 6 599 55 8 425 3 7 4 37 0...

Page 58: ...kcmil 3 2 0 400kcmil 2 250 500kcmil 3 2 0 400kcmil 230 60 2 6 500 kcmil 2 250 500kcmil 3 2 0 400kcmil 2 250 500kcmil 3 2 0 400kcmil 380 60 1 4 500 kcmil 250 500kcmil 2 3 0 250kcmil 250 500kcmil 2 3 0...

Page 59: ...l 2 3 0 250kcmil 460 60 1 4 500 kcmil 250 500kcmil 2 3 0 250kcmil 250 500kcmil 2 3 0 250kcmil 575 60 1 4 500 kcmil 250 500kcmil 2 3 0 250kcmil 250 500kcmil 2 3 0 250kcmil P1 YLAA0150 YLAA0155 P2 YLAA0...

Page 60: ...400 230 24 5 375 600 S6 600 S6 2 250kcmil 500kcmil 400 400 380 14 8 201 250 S4 250 S4 6AWG 350kcmil 225 225 460 12 3 173 200 S3 225 S3 S4 S5 4AWG 300kcmil 200 200 575 9 8 146 200 S3 225 S3 S4 S5 4AWG...

Page 61: ...2 4 5 22 3 26 9 139 26 9 139 26 9 139 2 4 5 22 3 23 1 150 23 1 150 23 1 150 2 4 0 19 0 23 1 150 23 1 150 23 1 150 2 4 0 19 0 19 9 109 19 9 109 19 9 109 2 2 9 14 6 19 9 109 19 9 109 19 9 109 2 2 9 14...

Page 62: ...50 500 230 24 5 414 600 S6 600 S6 2 250kcmil 500kcmil 450 500 380 14 8 263 400 S5 400 S5 2 3 0 250kcmil 300 300 460 12 3 204 250 S4 250 S4 6AWG 350kcmil 225 250 575 9 8 178 200 S3 225 S3 S4 S5 4AWG 30...

Page 63: ...7 6 30 9 109 6 599 55 8 425 2 7 6 30 9 55 8 425 55 8 425 55 8 425 2 7 4 37 0 109 6 599 55 8 425 2 7 4 37 0 36 0 239 36 0 239 36 0 239 2 4 5 22 3 69 2 358 36 0 239 2 4 5 22 3 26 9 187 26 9 187 26 9 18...

Page 64: ...3 600 S6 600 S6 2 250kcmil 500kcmil 600 600 380 14 8 306 400 S5 400 S5 2 3 0 250kcmil 350 350 460 12 3 240 400 S5 400 S5 2 3 0 250kcmil 300 300 575 9 8 209 250 S4 250 S4 6AWG 350kcmil 225 250 YLAA0115...

Page 65: ...9 109 6 599 109 6 599 4 7 6 30 9 55 8 425 55 8 425 55 8 425 2 7 4 37 0 109 6 599 109 6 599 4 7 4 37 0 36 0 239 36 0 239 36 0 239 2 4 5 22 3 69 2 358 69 2 358 4 4 5 22 3 26 9 187 26 9 187 26 9 187 2 4...

Page 66: ...30 800 S6 800 S6 3 2 0 4000kcmil 700 700 380 29 1 395 600 S6 600 S6 2 250kcmil 500kcmil 450 450 460 24 8 315 400 S5 400 S5 2 3 0 250kcmil 350 350 575 19 8 277 400 S5 400 S5 2 3 0 250kcmil 300 300 YLAA...

Page 67: ...4 4 5 22 3 69 2 358 36 0 239 4 4 5 22 3 54 5 310 54 5 310 54 5 310 4 4 0 19 0 54 5 310 26 9 187 4 4 0 19 0 49 4 239 49 4 239 49 4 239 4 2 9 14 6 49 4 239 23 7 148 4 2 9 14 6 109 6 599 109 6 599 109 6...

Page 68: ...ACTOR INCLUD ING COIL SUPPRESSOR KCR CONTROL RELAY KP PUMP CONTACTOR PART INCLUDING COIL SUPPRESSOR KT RELAY TIMER M COMPRESSOR MOTOR DESIGNATION DESCRIPTION MF MOTOR FAN MP MOTOR PUMP NU NOT USED PE...

Page 69: ...ugh the panel If these precautions are not followed electrical noise could cause malfunctions or damage to the unit and its controls I 120 14 3 Signal IN OUT i e 120 is wire and 14 3 refers to SHT 14...

Page 70: ...se for units w 4 or more fans per system 28 Low ambient kit FSC for fan MF1 is only fitted on systems with less than 4 fans 29 Only fitted on YLAA0091 30 Only fitted on YLAA0090 0091 0135 31 Input dua...

Page 71: ...FORM 150 72 NM1 1020 71 JOHNSON CONTROLS THIS PAGE INTENTIONALLY LEFT BLANK...

Page 72: ...JOHNSON CONTROLS 72 FORM 150 72 NM1 1020 Technical Data WIRING DIAGRAMS FIG 12 ELEMENTARY WIRING DIAGRAM SHT 1 ELEMENTARY WIRING DIAGRAMS 035 21583 101 REV D 035 21583 101 REV D...

Page 73: ...FORM 150 72 NM1 1020 73 JOHNSON CONTROLS 5 5...

Page 74: ...JOHNSON CONTROLS 74 FORM 150 72 NM1 1020 Technical Data FIG 13 ELEMENTARY WIRING DIAGRAM SHT 2 035 21583 102 REV D 035 21583 102 REV D ELEMENTARY WIRING DIAGRAMS CONT D...

Page 75: ...FORM 150 72 NM1 1020 75 JOHNSON CONTROLS 5 5...

Page 76: ...JOHNSON CONTROLS 76 FORM 150 72 NM1 1020 Technical Data FIG 14 ELEMENTARY WIRING DIAGRAM SHT 3 FAN WIRING 035 21583 103 REV B...

Page 77: ...FORM 150 72 NM1 1020 77 JOHNSON CONTROLS 5 5...

Page 78: ...JOHNSON CONTROLS 78 FORM 150 72 NM1 1020 Technical Data FIG 15 ELEMENTARY WIRING DIAGRAM SHT 4 035 21583 104 REV B FAN WIRING CONT D...

Page 79: ...FORM 150 72 NM1 1020 79 JOHNSON CONTROLS 5 5...

Page 80: ...JOHNSON CONTROLS 80 FORM 150 72 NM1 1020 Technical Data POWER PANEL FIG 16 CONNECTION DIAGRAM SHT 1 035 21589 101 REV C CONNECTION DIAGRAMS...

Page 81: ...FORM 150 72 NM1 1020 81 JOHNSON CONTROLS 5 5...

Page 82: ...JOHNSON CONTROLS 82 FORM 150 72 NM1 1020 Technical Data MICRO PANEL CONECTIONS FIG 17 CONNECTION DIAGRAM SHT 2 035 21589 102 REV D 035 21589 102 REV D...

Page 83: ...FORM 150 72 NM1 1020 83 JOHNSON CONTROLS 5 5...

Page 84: ...JOHNSON CONTROLS 84 FORM 150 72 NM1 1020 Technical Data POWER OPTIONS CONNECTION DIAGRAM FIG 18 CONNECTION DIAGRAM SHT 3 LD13234A 035 21589 103 REVB 035 21589 103 REV B...

Page 85: ...FORM 150 72 NM1 1020 85 JOHNSON CONTROLS 5 5 LD13901...

Page 86: ...JOHNSON CONTROLS 86 FORM 150 72 NM1 1020 Technical Data COMPRESSOR WIRING FIG 19 CONNECTION DIAGRAM SHT 6 035 21589 106 REV E 035 21589 106 REV E...

Page 87: ...FORM 150 72 NM1 1020 87 JOHNSON CONTROLS 5 5...

Page 88: ...JOHNSON CONTROLS 88 FORM 150 72 NM1 1020 Technical Data CONDENSER FAN MAPPING AND SEQUENCING LD13147 FIG 20 CONNECTION DIAGRAM SHT 7 035 21589 107 REV A...

Page 89: ...FORM 150 72 NM1 1020 89 JOHNSON CONTROLS 5 5 LD13232...

Page 90: ...JOHNSON CONTROLS 90 FORM 150 72 NM1 1020 Technical Data DUAL PUMP WIRING LD13237 FIG 21 DUAL PUMP WIRING...

Page 91: ...FORM 150 72 NM1 1020 91 JOHNSON CONTROLS THIS PAGE INTENTIONALLY LEFT BLANK...

Page 92: ...JOHNSON CONTROLS 92 FORM 150 72 NM1 1020 Technical Data WIRING LD13238 FIG 22 WIRING...

Page 93: ...FORM 150 72 NM1 1020 93 JOHNSON CONTROLS 5 5 LD13239...

Page 94: ...JOHNSON CONTROLS 94 FORM 150 72 NM1 1020 Technical Data FIG 23 WIRING DIAGRAM SINGLE POINT WIRING OPTIONS WIRING DIAGRAM POWER SUPPLY SINGLE POINT WIRING OPTIONS...

Page 95: ...FORM 150 72 NM1 1020 95 JOHNSON CONTROLS 5 5 LAYOUT POWER BLOCKS AND TRANSFORMERS FIG 24 LAYOUT POWER BLOCKS AND TRANSFORMERS...

Page 96: ...res rated performance reliable operation and ease of maintenance Site restrictions may compromise minimum clearances indicated below resulting in unpredictable airflow pat terns and possible diminishe...

Page 97: ...nce Site restrictions may compromise minimum clearances indicated below resulting in unpredictable airflow pat terns and possible diminished performance Johnson Controls unit controls will optimize op...

Page 98: ...ow for winter operation or air circulation ensures rated performance reliable operation and ease of maintenance Site restrictions may compromise minimum clearances indicated below resulting in unpredi...

Page 99: ...afety cutouts however the system designer must consider potential performance degradation Access to the unit control center assumes the unit is no higher than on spring isolators Recommended minimum c...

Page 100: ...r circulation ensures rated performance reliable operation and ease of maintenance Site restrictions may compromise minimum clearances indicated below resulting in unpredictable airflow pat terns and...

Page 101: ...5 5 TECHNICAL DATA CLEARANCES NOTES 1 No obstructions allowed above the unit 2 Only one adjacent wall may be higher than the unit 3 Adjacent units should be 10 feet 3 Meters apart LD13243 FIG 25 UNIT...

Page 102: ...panel information 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 the following pa...

Page 103: ...76 6 1 4 85 5 YLAA0080SE 19 5 76 6 19 5 76 6 1 4 85 5 YLAA0090SE 19 5 76 6 19 5 76 6 1 4 85 5 YLAA Model AVM LOCATIONS I1 I2 I3 I4 I5 I6 I7 I8 A B YLAA0091HE 7 6 117 2 7 6 117 2 1 4 85 5 YLAA0100SE 7...

Page 104: ...IONS CONT D NOTE All dimensions in inches I1 15 TYP YLAA Model AVM LOCATIONS I1 I2 I3 I4 I5 I6 I7 I8 A B YLAA0125HE 7 6 69 80 7 6 69 80 1 4 85 5 YLAA0135SE 7 6 69 80 7 6 69 80 1 4 85 5 YLAA0141HE 7 6...

Page 105: ...ANEL END YLAA Model AVM LOCATIONS I1 I2 I3 I4 I5 I6 I7 I8 A B YLAA0156HE 7 6 69 72 5 63 6 7 6 69 72 5 63 6 1 36 85 5 YLAA0170SE 7 6 69 72 5 63 6 7 6 69 72 5 63 6 1 36 85 5 YLAA0175HE 7 6 69 72 5 63 6...

Page 106: ...COLOR CODE CP1 1D 85 85 1 360 LT PURPLE CP1 1D 120 120 1 200 DK YELLOW CP1 1D 175 175 1 170 DK BLUE CP1 1D 250 250 1 400 YELLOW CP1 1D 340 340 1 130 RED CP1 1D 510 510 1 020 BLACK CP1 1D 675 675 1 32...

Page 107: ...ing all isolatorbases to the same elevation 1 4 inch maximum difference can be tolerated 4 Bolt or anchor all isolators to supprting structure utilizing base slotted holes C 5 Place equipment on top o...

Page 108: ...table below hardware zinc electroplate 3 Equipment must be bolted or welded to the top plate to meet allowable seismic ratings 4 All springs are designed for 50 overload capacity with exception of the...

Page 109: ...ors 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...

Page 110: ...ilicone nitrile and EDPM 4 AL Mounting hole center to center spacing 5 HF Free height of mount prior to loading Oper ating height calculated by the free height less the static deflection under load Al...

Page 111: ...floor housekeeping pad or sub base ensuring that all isolator centerlines match the equipment mounting holes TheVMC group recom mends that the isolator base A be installed on a level surface Shim or g...

Page 112: ...2 have one spring and SLRS 2 C2 has two springs SLRS 6 C2 has six springs and SLRS 9 C2 has nine springs Value is de rated by 15 PIN 54 S Weight Range lbs Weight Range kg Vendor P N COLOR YORK P N UP...

Page 113: ...it Stops Out of contact during normal operation Non Skid Neoprene Pad Pad can be removed if mounts are welded into position Enclosed Steel Housing Internal Neoprene Acoustical Pad Lower Restraining Nu...

Page 114: ...920 to 1022 kg CIP C Red w Red 029 24583 012 2254 to 2936 lbs 1022 to 1332 kg CIP C Green w Red 029 24583 013 CIP X Illustration shows single spring CIP B or CIP C mount HCL SBC Slot Width SW HCW MAX...

Page 115: ...quipment insert a 10mm 1 4 shim between the upper load plate and vertical uprights Lower the equipment on the blocking or shimmed isolators 5 Complete piping and fill equipment with water refrigerant...

Page 116: ...Bolt Dia Steel Plate Top Bottom Neoprene covered to prevent corrosion L T H W D ENGLISH Size D H L T W BC CS MBD ND C 2 9 16 2 3 4 5 1 2 1 4 2 5 16 4 1 8 1 2 13 x 1 1 2 ND D 3 3 8 2 3 4 6 1 4 5 16 4...

Page 117: ...8 lbs 679 to 933 kg SLRS 2 C2 Silver 029 24585 012 2058 to 2619 lbs 933 to 1188 kg SLRS 2 C2 Gray w red 029 24585 013 2619 to 3180 lbs 1188 to 1442 kg SLRS 2 C2 Silver w red 029 24585 014 Value is de...

Page 118: ...l Limit Stops Out of contact during normal operation Non Skid Neoprene Pad Pad can be removed if mounts are welded into position Enclosed Steel Housing Internal Neoprene Acoustical Pad Lower Restraini...

Page 119: ...Part No 470 10654 000 to the 1 4 oil charging connection on the compressors with a length of clean hose or copper line but do not tighten the flare nut Using clean oil of the correct type V oil pump...

Page 120: ...the cooler body Flow rates and pressure drops must be within the limits given in the Technical Data Section Operation outside of these limits is undesirable and could cause damage If mains power must...

Page 121: ...control Wir ing MUST meet N E C and local codes 9 Check tightness of power wiring inside the power panel on both sides of the motor contactors and overloads 10 Check for proper size fuses in main and...

Page 122: ...ys section for more information on system switches Place the Unit Switch in the control panel to the ON position As each compressor cycles ON ensure that the discharge pressure rises and the suction p...

Page 123: ...rom the heat exchanger Superheat should typically be set for no less than 10 Fwith only a single compressor running on a circuit The superheat is calculated as the difference between the actual temper...

Page 124: ...everal seconds after the compressor starts that systems first condenser fan will be cycled on out door air temperature is more than 25 F 4 C or discharge pressure See the section on Operating Controls...

Page 125: ...ion as a single microprocessor controller requiring no additional hardware The IPU II board contains a coldfire microprocessor and is the controller and decision maker in the control panel The I O boa...

Page 126: ...ting parameters as well as access programmed information already in memory The display has a lighted background for night viewing and for viewing in direct sunlight When a key is pressed such as the O...

Page 127: ...unit to run The REMOTE CONTROLLED SHUTDOWN message indicates that either an ISN system or RCC has turned the unit OFF not allowing it to run U N I T S W I T C H O F F S H U T D O W N R E M O T E C O...

Page 128: ...harge pressure cutout due to high load or pull down conditions When the unload point is reached the microprocessor will automatically unload the affected system by de energizing one compressor The dis...

Page 129: ...2 M P H P C O F A U L T S Y S 1 M P H P C O I N H I B S Y S 2 M P H P C O I N H I B The PUMPING DOWN message indicates that a compressor in the respective system is presently in the process of pumping...

Page 130: ...C U R R S Y S 2 H I G H M T R C U R R The internal motor protector opens at 185 F 248 F 85 C 120 C and auto resets The mechanical HP switch opens at 585 PSIG plus or minus 10 PSIG 27 92 barg plus or...

Page 131: ...1 1 5 V A C U N D E R V O L T A G E When the CURRENT FEEDBACK ONE PER UNIT option is selected under the OPTIONS key the unit will shut down when the voltage exceeds the programmed trip voltage for 5 s...

Page 132: ...essure System X Low Suct Pressure Low Liquid Temp System X MP HPCO Fault 115VAC Undervoltage Low Battery Check Prog Step Optn Unit Warning Message Rem Stop No Run Permissive Flow Switch Open Incorrect...

Page 133: ...TER ADV key located under the ENTRY section DISPLAY PRINT KEYS With the UNITTYPE set as a liquid chiller no jumper from J11 7 to J11 12 on the I O Board the following list of operating data screens ar...

Page 134: ...G 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 unit In the above d...

Page 135: ...s display indicates the status of the evaporator heater The evaporator heater is controlled by ambient air temperature When the ambient temperature drops below 40 F the heater is turned on When the te...

Page 136: ...Oper Data Quick Reference List The following table is a quick reference list for information available under the OPER DATA key 225A x Actual Volts 5 Volts Oper Data Key Leaving Chilled Liquid Temps Am...

Page 137: ...IATION TIME 60MIN DEFROST TERMINATION TIME 3MIN BIVALENT HEAT DELAY TIME 30 MIN REMOTE UNIT ID PROGRAMMED 2 YORK HYDRO KIT PUMPS 1 410a PUMP TOTAL RUN HOURS XXXXX 410a UNIT DATA RETURN LIQUID TEMP 58...

Page 138: ...he HISTORY key allows the operator to obtain a printout of information relating to the last 9 Safety Shutdowns which occurred The information is stored at the instant of the fault regardless of whethe...

Page 139: ...E N T A I R T E M P X X X X F L E A D S Y S T E M I S S Y S T E M N U M B E R X Displays the type of chilled liquid control Leaving or Return Displays the type of lead lag control Manual System 1 Manu...

Page 140: ...em Liquid Line Solenoid or Hot Gas Solenoid was energized at the time of the fault Displays the number of Fan Stages in the system active at the time of the fault DisplaysthesystemAmperage calculateda...

Page 141: ...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 setpoints chille...

Page 142: ...P Leaving Chilled Liquid Control The above message shows the current chilled water temperature SETPOINT at 45 0 F notice the cursor positioned under the number 0 Pressing either the UP or DOWN arrow w...

Page 143: ...mpt to control the leaving water temperature within the temperature range of the setpoint plus or minus the range In the above example control will be in the range of 43 47 F Return Chilled Liquid Con...

Page 144: ...ars on the display a subsequent press of the SCHEDULE ADVANCE DAY key will display the Holiday schedule This is a two part display The first reads The times may be set using the same procedure as desc...

Page 145: ...5 7 0 P S I G S U C T I O N P R E S S U R E C U T O U T 80 0 P S I G The LOWAMBIENT TEMP CUTOUT allows the user to select the chiller outside ambient temperature cutout point If the ambient falls bel...

Page 146: ...2 8V A similar calculation and programming will be necessary for the other system in a 2 system chiller N U M B E R O F F A N S P E R S Y S T E M X S Y S X T R I P V O L T S X X V O L T S U N I T T R...

Page 147: ...O T E U N I T I D P R O G R A M M E D X TABLE 11 PROGRAM KEY LIMITS AND DEFAULT PROGRAM VALUE MODE LOW LIMIT HIGH LIMIT DEFAULT DISCHARGE PRESSURE CUTOUT 325 PSIG 575 PSIG 570 PSIG 22 4 BARG 39 6 BARG...

Page 148: ...Mon Sun Discharge Water Temp Control Pressure Display Only Holiday Cutout Schedule Chilled Liquid Suction Setpoint Pressure Cutout Range Remote Setpoint Low Ambient Temp Cutout Range Display Only Leav...

Page 149: ...Key There are many user programmable options 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 be...

Page 150: ...N T C O N T R O L S T A N D A R D A M B I E N T C O N T R O L L O W A M B I E N T L O C A L R E M O T E M O D E L L O C A L L O C A L R E M O T E M O D E R E M O T E C O N T R O L M O D E R E T U R N...

Page 151: ...L S O F T S T A R T D I S A B L E D U N I T T Y P E L I Q U I D C H I L L E R R E F R I G E R A N T T Y P E R 4 1 0 A Do not select this option on R 410A chillers Option 10 Manual Override Mode This...

Page 152: ...he update DO NOT reset or power down the chiller until the update is completed E X P A N S I O N V A L V E T Y P E T H E R M O S T A T I C F L A S H C A R D U P D A T E D I S A B L E D F L A S H C A R...

Page 153: ...y appear if YORK HYDRO KIT PUMPS 2 are selected under Option 19 Presently this option should not be used CLOCK The CLOCK display shows the current day time and date Pressing the CLOCK key will show th...

Page 154: ...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 Start Option Uni...

Page 155: ...ps to 85 of the unload pressure and 10 minutes have elapsed This control is only applicable if optional discharge pressure transducers are installed LEAVING CHILLED LIQUID CONTROL The setpoint when pr...

Page 156: ...em will be saved If the last run time was greater than 5 minutes no action is to be taken If the last run time for the lead system was less than 5 minutes the microprocessor will increase the setpoint...

Page 157: ...ge Setpoint of 10 F 5 56 C Using the formulas in Table 15 the control range will be split up into six seven including hot gas segments with the Control Range determining the separation between segment...

Page 158: ...ystem will be decreased by 1 with the wrap around This control scheme assures the same compressor does not repeatedly cycle on and off Notes 1 Step 1 is Hot Gas Bypass and is skipped when loading occu...

Page 159: ...he option YORK HYDRO KIT PUMPS 2 under the OPTIONS key If a dual pump option is installed the active pump is selected by the selector switch EVAPORATOR HEATER CONTROL The evaporator heater is controll...

Page 160: ...JOHNSON CONTROLS 160 FORM 150 72 NM1 1020 Unit Operation FIG 28 CONDENSER FAN LOCATIONSWIRING DIAGRAMS...

Page 161: ...2 MF2 3 DP PROGRAMMED FAN CONTROL ON PRESSURE AND FAN STAGES 1 2 ARE ENERGIZED DP PROGRAMMED FAN CONTROL ON PRESSURE MINUS PROGRAMMED DIFFERENTIAL PRESSURE FAN STAGES 1 2 ARE ENERGIZED TB7 8 TB7 9 TB...

Page 162: ...F1 2 MF2 2 MF3 3 DP PROGRAMMED FAN CONTROL ON PRESSURE AND FAN STAGES 1 2 ARE ENERGIZED DP PROGRAMMED FAN CONTROL ON PRESSURE MINUS PROGRAMMED DIFFERENTIAL PRESSURE FAN STAGES 1 2 ARE ENERGIZED TB7 8...

Page 163: ...imiting involves closing both the Load Limit and PWM inputs The first stage of limiting is either 80 66 or 50 depending on the number of compressors on the unit The second stage of limiting is either...

Page 164: ...C Max Reset Value 20 F 11 11 C Input Signal 6VDC English Reset 6VDC x 20 F 12 F Reset 10 New Setpoint 45 F 12 F 57 F Metric Reset 6VDC x 11 11 C 6 67 C Reset 10 New Setpoint 7 22 C 6 67 C 13 89 C Max...

Page 165: ...BUFFERS The history buffers may be cleared by pressing the HISTORY key and then repeatedly pressing the UP arrow key until you scroll past the last history buffer choice The following message will be...

Page 166: ...and Down arrow keys but under normal circumstances would not be required or advised After the last start display the microprocessor will display the first programmable value under the PROGRAM key SERV...

Page 167: ...ut J7 10 SYS 1 Suction Transducer or SYS 1 Low Pressure Switch J11 12 Unit Type Chiller NO Jumper J11 12 to 24 VDC YCUL Condensing Unit Jumper J11 12 to 24 VDC Do NOT Use J7 11 SYS 1 Discharge Pressur...

Page 168: ...JOHNSON CONTROLS 168 FORM 150 72 NM1 1020 Service and Troubleshooting FIG 29 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 BOARD JP1 LD12721...

Page 169: ...lly voltages of 24 36VDC 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 reference point when measuring digita...

Page 170: ...to the microboard See Table 25 for voltage readings that correspond to specific liquid temperatures J6 1 drain shield connection 0VDC Return TABLE 25 ENTERING LEAVING CHILLED LIQUID TEMP SENSOR TEMPER...

Page 171: ...put of the transducer All voltage reading are in reference to ground unit case V Pressure in PSIG x 01 5 or V Pressure in BARG x 145 5 where V DC voltage output Pressure pressure sensed by transducer...

Page 172: ...voltage readings that cor respond to specific suction pressures J7 9 5VDC return J7 11 drain shield connection 0VDC Digital Outputs Refer to the unit wiring diagram and Fig 30 The digital outputs are...

Page 173: ...N 950915576 The cable to connect the printer can either be locally assembled from the parts listed or ordered directly from WEIGH TRONIX under part number 287 040018 Parts The following parts are req...

Page 174: ...place 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 cutouts adjus...

Page 175: ...on Verify 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...

Page 176: ...JOHNSON CONTROLS 176 FORM 150 72 NM1 1020 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 177: ...em must be cleaned to prevent compressor failure Neverusethescrollcompressortopump the refrigerant system down into a vac uum Doingsowillcauseinternalarcing of the compressor motor which will re sult...

Page 178: ...k 1 to TB2 1 RS 232 connect to TB3 Network RX to TB3 TXD Network TX to TB3 RXD Network GND to TB3 GND Refer to Fig 32 Micro Panel Connections for TB1 TB2 and TB3 locations In most cases communication...

Page 179: ...4800 9600 19200 38400 76800 AUTO SELECTABLE P2 BAUD RATE 1200 57600 1200 1200 4800 9600 19200 38400 57600 SELECTABLE P1 P2 MANUAL MAC ADDRESS 1 127 1 P1 P2 PARITY NONE IGNORE NONE NONE EVEN ODD IGNOR...

Page 180: ...AUD RATE 9600 TO 76800 OR AUTO SELECTABLE 1 N A N A P1 PARITY NONE N A N A P1 STOP BITS 1 N A N A P2 PROTOCOL N A MODBUS SVR N A P2 MANUAL MAC ADDRESS N A 0 127 1 N A P2 BAUD RATE N A 19 200 2 N A P2...

Page 181: ...This data can be read using a BACnet or Modbus network connection and can NOT be modified using this connection The Modbus RegisterAddress for these points is 1281 BI Refer to Table 31 for complete li...

Page 182: ..._TEMP AI_11 524 03 04 F R Sys 1 Defrost Temperature HP Only 29 S1_EEV_OUT AI_12 525 03 04 F R System 1 EEV Output EEV Models Only 30 S1_AR_TIMER AI_13 526 03 04 seconds R Sys 1 Anti Recycle Timer 31 A...

Page 183: ...R Cooling Range 2 SP Control 64 HEAT_RANGE AI_47 560 03 04 F R Heating Range HP Only 65 S1_DSCH_TEMP AI_48 561 03 04 F R Sys 1 Discharge Temperature EEV Only 66 S1_DSCH_SHEAT AI_49 562 03 04 F R Sys...

Page 184: ...ibit The YCWL uses the same firmware as a YCAL it just ignores Fan Control The IPU II based YCAL YCUL Units are configured for Native BACnet MS TP and Modbus RTU communications The Microgateway produc...

Page 185: ...Table 32 Yorktalk 2 Communications Data Map lists the control parameters These values are found under feature 54 in the MicroGateway or E Link Transmitted Data After receiving a valid transmission fr...

Page 186: ...r o t i n o M A 7 1 P 9 1 P 0 2 P S S S S S e r u s s e r P e g r a h c s i D 1 s y S 4 1 F D A 7 4 4 4 r o t i n o M A 8 1 P 0 2 P 1 2 P S S S S S y l n O c 7 0 4 R e r u t a r e p m e T t n a r e g...

Page 187: ...t i n o M e d o C 0 6 P 2 6 P S S S S S P62 3 6 P S S S S S e g a t S n a F r e s n e d n o C 2 s y S 8 I D A 5 3 1 r o t i n o M e d o C 1 6 P 3 6 P 9 I D A 6 3 1 r o t i n o M e d o C 2 6 P 4 6 P P...

Page 188: ...o i t c u S w o L 7 7 n w o d t u h S e l u d e h c S y l i a D 7 7 a n 8 8 e v i s s i m r e P n u R o N 8 8 a n 9 9 d a o L l o o C o N 9 9 a n 0 1 0 1 e v i t c A r e m i T e c n e d i c n i o C i...

Page 189: ...6 168 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 2 228 108 9 96 204 8 232 111 1 9...

Page 190: ...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 80 50 1 245 83 52...

Page 191: ...FORM 150 72 NM1 1020 191 JOHNSON CONTROLS 10 NOTES...

Page 192: ...ennsylvania USA 17349 1 800 524 1330 Subject to change without notice Printed in USA Copyright by Johnson Controls 2020 www johnsoncontrols com ALL RIGHTS RESERVED Form 150 72 NM1 1020 Issue Date Octo...

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