York YCAV1039 Installation Operation & Maintenance Download Page 276

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276

JOHNSON CONTROLS

FORM 201.21-NM4 (1020)

276

JOHNSON CONTROLS

MICRO PANEL

ANALOG OUTPUT CONNECTIONS

TABLE 23 lists the analog outputs and the circuit board

they are located on. The analog output signals are feed

to the associated control device from the 2 wires in the

associated plug.

TABLE 23 - ANALOG OUTPUT CONNECTIONS

BOARD

HEADER

ANALOG OUTPUT

Chiller Control Board

J15-1 to J15-2

Sys 1 Flash Tank Feed Valve

Chiller Control Board

J15-3 to J15-4

Sys 1 Flash tank Drain Valve

Chiller Control Board

J15-5 to J15-6

Sys 2 flash Tank Feed Valve

Chiller Control Board

J15-7 to J15-8

Sys 2 Flash Tank Drain Valve

Chiller Control Board

J14-1 to J14-6

Sys 3 Flash Tank Feed Valve

Chiller Control Board

J14-2 to J14-7

Sys 3 Flash Tank Drain Valve

Chiller Control Board

J14-3 to J14-8

Sys 4 Flash Tank Feed Valve

Chiller Control Board

J14-4 to J14-9

Sys 4 Flash Tank Feed Valve

Chiller Control Board

J25-1 to J25-5

Sys 1 Condensor Fan Speed (Future)

Chiller Control Board

J25-2 to J25-6

Sys 2 Condensor Fan Speed (Future)

Chiller Control Board

J25-3 to J25-7

Sys 3 Condensor Fan Speed (Future)

Chiller Control Board

J25-4 to J25-8

Sys 4 Condensor Fan Speed (Future)

Summary of Contents for YCAV1039

Page 1: ...KW E V HIGH EFFICIENCY AND S P STANDARD EFFICIENCY AIR COOLED SCREW LIQUID CHILLERS R 134a Issue Date October 2 2020 AIR COOLED SCREW LIQUID CHILLERS INSTALLATION OPERATION MAINTENANCE Supersedes 201 21 NM4 616 Form 201 21 NM4 1020 035 20995 000 ...

Page 2: ...cument 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 question SAFETY SYMBOLS The following symbols are used in this document to alert the reader to specific situations Indicates a possible hazardous situation which will result in death or serious injury if proper...

Page 3: ...l latches are engaged on each door unless the unit is being serviced ALWAYS lockout the disconnect supplying AC to the chiller The 1L Line Inductor will reach operating temperatures of over 300 F DO NOT open panel doors during operation Assure the inductor is cool whenever working near the inductor with power off WARNING It is the responsibility of rigging lifting and operating service personnel t...

Page 4: ...ection 19 DX COOLER OPTIONS 20 SERVICE VALVE OPTION 20 UNIT ENCLOSURES 20 FANS 20 SOUND REDUCTION OPTIONS 20 VIBRATION ISOLATION 20 UNIT NOMENCLATURE 21 PRODUCT IDENTIFICATION NUMBER 22 SECTION 3 RIGGING HANDLING AND STORAGE DELIVERY AND STORAGE 26 INSPECTION 26 MOVING THE CHILLER 26 Lifting Weights 26 UNIT RIGGING 27 SECTION 4 INSTALLATION LOCATION REQUIREMENTS 29 OUTDOOR INSTALLATION 29 INDOOR I...

Page 5: ...MIC ISOLATOR INSTALLATION 123 NEOPRENE ISOLATOR POSITION 124 1 DEFLECTION ISOLATOR INSTALLATION 1 2 5 REFRIGERANT FLOW DIAGRAM 127 PROCESS INSTRUMENTATION DIAGRAM 128 COMPONENT LOCATIONS 129 EQUIPMENT START UP CHECK SHEET 148 Unit Checks NO power 148 Panel Checks Power ON both system switches OFF 150 Programmed Values 151 Chilled Liquid Setpoint 151 Date Time Daily Schedule Clock Jumper 151 Initia...

Page 6: ...Gate Driver Hardware Fault 203 Power Supply Hardware Fault 205 UNIT WARNINGS 208 UNIT SAFETIES 212 SYSTEM SAFETIES 214 STATUS KEY 220 UNIT DATA KEY 224 SYSTEM DATA KEY 226 VSD DATA KEY 230 OPERATING HOURS START KEYS 232 HISTORY KEY 233 Unit Data 234 VSD Data 235 System Data 236 Compressor Operating Hours Starts 238 Chilled Liquid Cooling Setpoints 238 Options 238 Program Values 239 SETPOINTS KEY 2...

Page 7: ... Limiting Unloading 179 Table 9 VSD Internal Ambient Load Limiting Unloading 179 Table 10 VSD Baseplate Temperature Load Limiting Unloading 180 Table 11 Fan Stages Corresponding Outputs 185 Table 12 VSD Operating Display Parameters 199 Table 13 Low Differential Oil Pressure Cutout 216 Table 14 Start Inhibit Sensor Thresholds 218 Table 15 Sensor Min Max Outputs 228 Table 16 Setpoint Limits 242 Tabl...

Page 8: ...D Cabinet Locations 130 Fig 17 Chiller Control Board Relay Boards Microgateway and Optional Circuit Breaker 131 Fig 18 Chiller Control Board Relay Boards and Microgateway 132 Fig 19 VSD Logic Board 133 Fig 20 VSD Logic Board 134 Fig 21 Power Components 135 Fig 22 Power Components 136 Fig 23 Fan Contactors 137 Fig 24 VSD Components 138 Fig 25 VSD Components 139 Fig 26 VSD Components 140 Fig 27 VSD ...

Page 9: ...cement and shipping of any faulty part or sub assembly which has failed due to poor quality or manufacturing errors All claims must be supported by evidence that 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 number and run hours starts Model and ser...

Page 10: ...ty regulations This manual and any other document supplied with the unit are the property ofYORK which reserves all rights They may not be reproduced in whole or in part without prior written authorization from an authorized YORK representative MISUSE OF EQUIPMENT Suitability for Application The unit is intended for cooling water or glycol solu tions and is not suitable for purposes other than tho...

Page 11: ...re should be taken when working in contact with the coils to avoid the risk of minor 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 to avoid risk of minor abrasions and lacerations Refrigerants and Oils Refrigerants and oils used in the unit are ...

Page 12: ...onduit General System Description The Latitude YCAV Air Cooled Chiller line combines the best of modern screw compressor design with the latest technology in variable speed drives The result is superior control and efficiency in real world conditions TheVSD enables slowing the speed of the compressor to match the load on the system resulting in precise chilled liquid control minimized sound maximu...

Page 13: ...l CHILLER CONTROL SYSTEM INPUTS COMMUNICATIONS OUTPUTS VSD MOTOR CONTROL PANEL Pressure Transducers Temperature Sensors Level Sensor Switches Liquid Flow High Pressure Start Stop Customer Supplied Contacts Chiller Control Board Microprocessor User Interface Display Keypad Building Automation Printer Modem VSD Logic Board SCR Trigger Board Power Components PWM Speed Control Relay Output Board Solen...

Page 14: ... and drain connections are included The cooler is equipped with a thermostatically con trolled heater for protection to 20 F 29 C ambient and insulated with 3 4 19 mm flexible closed cell insulation The water nozzles are provided with grooves for mechanical couplings and should be insulated by the contractor after pipe installation A 300 PSIG 20 7 bar waterside design working pres sure option is a...

Page 15: ...e economizer solenoid valve will typically be on most of the time When the economizer solenoid is OFF the liquid level will vary greatly as the Drain and Feed Valves directly affect the level as they open and close Oil Separator Oil System The external oil separators with no moving parts and designed for minimum oil carry over are mounted in the discharge line of the compressor The high pressure d...

Page 16: ...al cabinet Each Power Compartment Contains Incoming single point power is standard utilizing either a lockable circuit breaker or terminal block 115VAC control transformer VSD fan contactors ON OFF unit switch microcomputer keypad and display Chiller Con trol and VSD Logic boards 1 or 2 SCR trigger control boards and relay boards Current transformers sense each phase of motor current and send corr...

Page 17: ...chilled water pump Out of range message Up to 10 fault shutdown histories Keypad An operator keypad allows complete control of the system from a central location The keypad utilizes an overlay to allow use in 5 languages The keypad is a color coded 36 button sealed keypad with keys for Display Entry Setpoints Clock Print Program Unit ON OFF and other functions Details on a few of the keys follow S...

Page 18: ... DC rectifier while simultaneously providing a large energy reservoir for use by the DC to AC inverter section of the drive In order to achieve the required voltage capability for the capacitor portion of the filter filter capacitor banks are formed by connecting two groups of parallel capacitors in series to form a capaci tor bank In order to assure an equal sharing of the voltage between the ser...

Page 19: ... the VSD Logic board Each IGBT Power Module within the DC toAC inverter section con tains a thermistor heatsink temperature sensor to provide temperature information to the VSD logic board The Bus Isolator board utilizes three resistors on the board to provide a safe impedance resistance between the DC link filter capacitors located on the output phase bank assemblies and the VSD logic board It pr...

Page 20: ...r the exterior condenser coil faces and heavy gauge welded wire mesh guards mounted around the bottom of the unit Factory or field mounted Louvered Panels Condenser Coils Only Louvered panels are mounted over the exterior condenser coil faces on the sides of the unit to visually screen and protect the coils Factory or field mounted Louvered Panels Full Unit enclosure Louvered panels over condenser...

Page 21: ...tics of the unit YC A V 1039 S A 50 UNIT MODEL NUMBER NOMENCLATURE YORK CHILLER AIR COOLED V VARIABLE SPEED DRIVE MODEL NUMBER UNIT DESIGNATOR E High Efficiency High Ambient S Standard Efficiency P Standard Efficiency Optimized IPLV V High Efficiency High Ambient Optimized IPLV REFRIGERANT A R134a VOLTAGE CODE 50 380 415 3 50 ...

Page 22: ...ator PIN 9 S Standard Efficiency Standard IPLV P Standard Efficiency Optimized IPLV E High Efficiency High Ambient Unit Standard IPLV V High Efficiency High Ambient Unit Optimized IPLV REF Refrigerant PIN 10 A R 134a VOLTS Voltage PIN 11 12 50 380 415 3 50 STARTER Starter PIN 13 V Variable Speed Drive DESIGN Design Series PIN 14 A Design Series A DEV Modification Level PIN 15 A Mod Level A POWER P...

Page 23: ...ortuguese LCD Keypad Display Q Special LCD Keypad Display RDOUT Silent Night PIN 23 X No option required N Silent Night sound limiting control option Q Special quote SAFETY Safety Code PIN 24 N Std 50 HZ No listing Q Special Safety Code SENSOR PIN 25 X No option required Q Special quote PUMP Pump Control PIN 26 X No Pump Control required Q Special Pump Control required REMOTE Remote Ctrl Panel PIN...

Page 24: ...X No option required Q Special quote X Aluminum Coils COILS Coils PIN 45 C Copper Fin Coils B Pre Coated Fin Coils P Post Coated Dipped Coils Q Special Coils HEAT Heat Recovery PIN 46 X Partial Heat Recovery not required H Partial Heat Recovery required Q Special quote FANMOTORS Fan Motors PIN 47 X TEAO Fan Motors Q Special Fan Motors PANEL Enclosure Panels PIN 48 X No Enclosure Panels required 1 ...

Page 25: ...required 1 1 Deflection Isolators required S Seismic Isolators required N Neoprene Pad Isolators required Q Special Vibration Isolators required WARRANTY Warranty PIN 55 X 1st Year Parts Only Std Warranty B 1st Year Parts Labor C 2nd Year Parts Only D 2nd Year Parts Labor E 5 Year Compressor Parts Only F 5 Year Compressor Parts Labor G 5 Year Unit Parts Only H 5 Year Unit Parts Labor Q Special War...

Page 26: ...t the coils and fins from potential damage and corrosion particularly where building work is in progress The unit should be stored in 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 It is recommended that the unit is periodically in spected during ...

Page 27: ...the lifting locations are outside of the container Place 4 X 4 blocks of wood under the base rails of the unit Gently rest the unit on the blocks and remove the chains and lift truck 5 Attach lifting rigging from the crane and slowly complete the removal from the container then lift up and away LD19197a LIFTING USING LUGS Units are provided with lifting holes in the base frame which accept the acc...

Page 28: ... 150 6 Y 201 9 Y 300 4 Y 370 7 Y 477 2 Y 513 9 HIGH EFF 0357 1309 Y 11 5 Y 88 3 Y 171 3 Y 254 1 Y 370 3 Y 451 5 0327 1169 Y 11 5 Y 88 3 Y 171 3 Y 254 1 Y 326 3 Y 407 5 0267 1039 Y 11 5 Y 88 3 Y 176 3 Y 264 3 Y 326 3 Y 407 5 0287 0969 Y 11 5 Y 88 3 Y 176 3 Y 264 3 Y 320 0 Y 363 9 0477 1739 Y 11 5 Y 103 1 Y 150 6 Y 201 7 Y 301 9 Y 370 7 Y 477 2 Y 557 9 0417 1549 Y 11 5 Y 103 1 Y 150 6 Y 201 7 Y 301 ...

Page 29: ...ootings ex tending below the frost line is recommended To avoid noise and vibration transmission the unit should not be secured to the building foundation On rooftop locations choose a place with adequate structural strength to safely support the entire operating weight of the unit and service personnel The unit can be mounted on a concrete slab similar to ground floor locations or on steel channe...

Page 30: ...ice replacement of large components may require larger clearances than those given in the Technical Data Section INSTALLATION OF VIBRATION ISOLATORS Optional sets of vibration isolators can be supplied loose with each unit Using the Isolator tables shipped with the unit in the information pack refer to the Dimension Section Pages 84 115 Weight Distribution and Isolator Mounting Position Section Pa...

Page 31: ...issolved gases which can cause oxidation of steel parts within the cooler A flow switch must be installed in the customer pip ing at the outlet of the cooler and wired back to the control panel using shielded cable There should be a straight run of piping of at least 5 pipe diameters on either side The flow switch should be wired to Terminals 2 and 13 on the 1TB terminal block see FIG 22 Page 136 ...

Page 32: ... be kept in a range between 7 and 8 5 PIPEWORK ARRANGEMENT The following is a suggested piping arrangement for single unit installations For multiple unit installations each unit should be piped as shown in FIG 3 Isolating Valve Normally Open Isolating Valve Normally Closed Flow Regulating Valve Flow Measurement Device Strainer Pressure Tapping Flow Switch Flanged Connection Pipework FIG 3 PIPEWOR...

Page 33: ...onal area as the fan outlet and straight for at least three feet 1 meter to obtain static regain from the fan Ductwork should be suspended with flexible hangers to prevent noise and vibration being transmitted to the structure Aflexible joint is also recommended between the duct attached to the fan and the next section for the same reason Flexible connectors should not be allowed to concertina The...

Page 34: ...en be run from the box to the chiller POWER SUPPLY WIRING Units require only one 3 phase supply plus earth ground Connect the 3 phase supplies to the terminal block or optional circuit breaker located in the panel using lug sizes detailed in the Technical Data Section Connect a ground wire from the chiller panel ground lug to the incoming line supply ground 115VAC CONTROL SUPPLY TRANSFORMER A3 wir...

Page 35: ...n Stop input is available for each pair of systems 1 3 2 4 These inputs require a dry con tact to start and stop the system System 1 3 remote dry contacts are connected between Terminals 2 and 15 of 1TB and System 2 4 dry contacts are connected between Terminals 2 and 16 of 1TB see FIG 22 Page 136 If remote start stop is not utilized a jumper must be paced across the terminals to allow the system ...

Page 36: ...valve If valves are of the back seat type open them fully counterclockwise then close one turn of the stem to ensure operating pressure is fed to pressure transducers Open the liquid line service valve and oil return line ball valve fully in each system Compressor Oil To add oil to a circuit connect a YORK hand oil pump Part No 470 10654 000 to the 1 4 oil charging valve on the oil separator pipin...

Page 37: ...rectly using shielded cable There should be a straight run of at least 5 pipe diam eters on either side of the flow switch The flow switch should be connected to terminals 2 and 13 in the panel Temperature Sensor s Ensure the leaving liquid temperature sensor is coated with heat conductive compound Part No 013 00890 000 and is inserted to the bottom of the water outlet sensor well in the evaporato...

Page 38: ...emperature change If a high heat load is present the controller will increase the speed of the compressor s Condenser and Fan Rotation Once a compressor is running discharge pressure rises as refrigerant is pumped into the air cooled condenser coils This pressure is controlled by stages of fans to ensure maximum unit efficiency while maintaining suf ficient pressure for correct operation of the co...

Page 39: ...itch OFF the SYS 1 switch on the keypad and repeat the process for each subsequent system When all run correctly stop the unit switch all applicable switches to the ON position and restart the unit Assure all checks are completed in the EQUIPMENT START UP CHECK SHEET Pages 148 153 The chiller is then ready to be placed into operation ...

Page 40: ...A 1039SA PA 0969EA VA B 1429SA PA 1309EA VA 1309SA PA 1169EA VA 1139SA PA C 1649SA PA 1549SA PA 1429EA VA D 1909SA PA 1829SA PA 1739SA PA 1739EA VA 1549EA VA WATER PRESSURE DROP SI 1 10 100 1000 10 0 100 0 Water Flow Rate l s Pressure Drop kPa A B C D Pressure Drop Through 3 and 4 Circuit YCAV Evaporators ...

Page 41: ...sure drops are higher than with water see correction factors to be applied when using glycol solutions Special care must be taken not to exceed the maximum flow rate allowed A Correction Factor B Mean Temperature through Cooler C Concentration W W Excessive flow above the max GPM will damage the evaporator PROPYLENE GLYCOL ETHYLENE GLYCOL GLYCOL CORRECTION FACTORS A A B B 18 17 16 15 14 13 12 11 1...

Page 42: ...uidelines WATER TEMPERATURE AND FLOWS SI Units MODEL NUMBER YCAV LEAVING WATER TEMPERATURE C COOLER FLOW l s AIR ON CONDENSER C MIN 1 MAX 2 MIN MAX MIN MAX 0969 4 4 15 6 11 4 50 5 17 7 51 7 1039 4 4 15 6 15 8 75 7 17 7 51 7 1139 4 4 15 6 15 8 75 7 17 7 51 7 1169 1309 4 4 15 6 18 9 75 7 17 7 51 7 1429 4 4 15 6 18 9 78 9 17 7 51 7 1549 4 4 15 6 22 1 78 9 17 7 51 7 1649 4 4 15 6 22 1 78 9 17 7 51 7 1...

Page 43: ...43 JOHNSON CONTROLS FORM 201 21 NM4 1020 43 JOHNSON CONTROLS 6 This page intentionally left blank ...

Page 44: ...6 6 6 Standard Fans Fan Motor HP kW 2 1 50 2 1 50 2 1 50 2 1 50 2 1 50 2 1 50 2 1 50 2 1 50 2 1 50 Fan Motor Speed revs sec 19 19 19 19 19 19 19 19 19 Fan Diameter mm 899 2 899 2 899 2 899 2 899 2 899 2 899 2 899 2 899 2 Fan Tip Speed m sec 54 54 54 54 54 54 54 54 54 Total Chiller Airflow l sec 79768 85904 98176 110448 122720 128856 134992 134992 147264 Low Noise Fans Fan Motor HP kW 2 1 50 2 1 50...

Page 45: ...5 5 5 5 6 6 5 5 6 6 6 6 Standard Fans Fan Motor HP kW 2 1 50 2 1 50 2 1 50 2 1 50 2 1 50 2 1 50 2 1 50 Fan Motor Speed revs sec 19 19 19 19 19 19 19 Fan Diameter mm 899 2 899 2 899 2 899 2 899 2 899 2 899 2 Fan Tip Speed m sec 54 54 54 54 54 54 54 Total Chiller Airflow l sec 85904 98176 98176 110448 122720 134992 147264 Low Noise Fans Fan Motor HP kW 2 1 50 2 1 50 2 1 50 2 1 50 2 1 50 2 1 50 2 1 5...

Page 46: ...46 JOHNSON CONTROLS FORM 201 21 NM4 1020 46 JOHNSON CONTROLS TECHNICAL DATA OPERATING LIMITATIONS AND SOUND DATA Contact Product Application Marketing for Sound Power Data ...

Page 47: ...VIDUAL SYSTEM COMPESSOR SWITCHES OPTION FAN CONTACTORS EVAPORATOR HEATER UNIT CONTROLS FIELD PROVIDED UNIT POWER SUPPLY VSD 1 VSD CONTROL PANEL LINE REACTOR VSD 3 VSD 2 CIRCUIT BREAKER GRD STANDARD CONTROL TRANSFORMER See Note 3 LD11442 VSD CONTROL PANEL VSD 2 VSD 3 STANDARD CONTROL TRANSFORMER UNIT CONTROLS EVAPORATOR HEATER FAN CONTACTORS GRD FIELD PROVIDED UNIT POWER SUPPLY INDIVIDUAL SYSTEM CO...

Page 48: ...2 VSD 4 CIRCUIT BREAKER 2 LINE REACTOR FAN CONTACTORS STANDARD CONTROL TRANSFORMER EVAPORATOR HEATER INDIVIDUAL SYSTEM COMPESSOR SWITCHES OPTION COMP 4 COMP 2 COMP 1 COMP 3 FIELD PROVIDED UNIT POWER SUPPLY TERMINAL BLOCK GRD See Note 3 LD11444 FIELD PROVIDED UNIT POWER SUPPLY COMP 4 COMP 2 INDIVIDUAL SYSTEM COMPESSOR SWITCHES OPTION EVAPORATOR HEATER FAN CONTACTORS STANDARD CONTROL TRANSFORMER LIN...

Page 49: ...2 VSD 4 CIRCUIT BREAKER 2 LINE REACTOR FAN CONTACTORS STANDARD CONTROL TRANSFORMER EVAPORATOR HEATER INDIVIDUAL SYSTEM COMPESSOR SWITCHES OPTION COMP 4 COMP 2 COMP 1 COMP 3 FIELD PROVIDED UNIT POWER SUPPLY UNIT CONTROLS See Note 3 LD11446 VSD 1 VSD 3 STANDARD CONTROL TRANSFORMER EVAPORATOR HEATER FAN CONTACTORS TERMINAL BLOCK1 GRD FIELD PROVIDED UNIT POWER SUPPLY INDIVIDUAL SYSTEM COMPESSOR SWITCH...

Page 50: ... 230 6 3 4 192 5 3 4 230 6 3 4 2 4 1 8 30KA 30KA 65KA 65KA 1909 400 50 230 6 3 4 230 6 3 4 230 6 3 4 230 6 3 4 2 4 1 8 30KA 30KA 65KA 65KA Model No Nameplate System 1 System 2 System 3 Comp Cond Fans Comp Cond Fans Comp Cond Fans YCAV Volts 11 Freq RLA 6 Qty FLA EA RLA 6 Qty FLA EA RLA 6 Qty FLA EA 1039 400 50 175 5 3 4 197 4 3 4 129 4 3 4 1139 400 50 177 5 3 4 177 5 3 4 198 4 3 4 1309 400 50 193 ...

Page 51: ...Field Wiring Lugs OPT Circuit Breaker KVA 8 Terminal Block STD Circuit Breaker OPT Minimum Ckt Ampacity MCA 4 Recom mended Fuse Ckt Breaker Rating 5 Max In verse Time Ckt Brkr Rating 2 Max Dual Element Fuse Size 3 Lugs Phase 1 Lug Wire Range Lugs Phase 1 Lug Wire Range 2 4 30KA 65KA 594 700 1200 1000 4 2 600 KCM 4 4 0 500 KCM 2 4 30KA 65KA 649 800 1200 1200 4 2 600 KCM 4 4 0 500 KCM 2 4 30KA 65KA ...

Page 52: ...nd Fans Sys 1 3 Sys 2 4 YCAV Volts 11 Freq RLA 6 Qty FLA EA RLA 6 Qty FLA EA RLA 6 Qty FLA EA RLA 6 Qty FLA EA KVA 8 KVA 8 Terminal Blocks STD Circuit Breakers OPT Sys 1 3 Sys 2 4 Sys 1 3 Sys 2 4 1429 400 50 164 5 3 4 164 5 3 4 164 5 3 4 164 5 3 4 2 4 1 8 30KA 30KA 65KA 65KA 1549 400 50 170 6 3 4 170 6 3 4 183 5 3 4 183 5 3 4 2 4 1 8 30KA 30KA 65KA 65KA 1739 400 50 219 6 3 4 219 6 3 4 168 6 3 4 16...

Page 53: ... Phase 1 Lug Wire Range Lugs Phase 1 Lug Wire Range Sys 1 3 Sys 2 4 Sys 1 3 Sys 2 4 Sys 1 3 Sys 2 4 Sys 1 3 Sys 2 4 Sys 1 3 Sys 2 4 Sys 1 3 Sys 2 4 Sys 1 3 Sys 2 4 Sys 1 3 Sys 2 4 403 403 450 450 800 800 700 700 3 3 2 600 KCM 2 600 KCM 3 3 3 0 400 KCM 3 0 400 KCM 436 436 500 500 800 800 800 800 3 3 2 600 KCM 2 600 KCM 3 3 3 0 400 KCM 3 0 400 KCM 482 482 600 600 1000 1000 800 800 3 3 2 600 KCM 2 60...

Page 54: ...ent fuse size 150 of the largest compressor RLA plus 100 of the remaining compressor RLA s plus the sum of all condenser fan FLA s 6 RLA Rated Load Amps rated in accordance with UL standard 1995 at 400VAC 7 Local codes may take precedence 8 Control KVA includes operational controls and evaporator heaters 9 System inrush current is less than RLA due to the use of York Variable speed Drive technolog...

Page 55: ...55 JOHNSON CONTROLS FORM 201 21 NM4 1020 55 JOHNSON CONTROLS 6 This page intentionally left blank ...

Page 56: ...56 JOHNSON CONTROLS FORM 201 21 NM4 1020 56 JOHNSON CONTROLS TECHNICAL DATA ELECTRICAL WIRING ELEMENTARY CONTROL WIRING DIAGRAM 3 COMPRESSOR TECHNICAL DATA LD12551 ...

Page 57: ...57 JOHNSON CONTROLS FORM 201 21 NM4 1020 57 JOHNSON CONTROLS 6 ELEMENTARY CONTROL WIRING DIAGRAM 3 COMPRESSOR CON T LD12552 ...

Page 58: ...58 JOHNSON CONTROLS FORM 201 21 NM4 1020 58 JOHNSON CONTROLS TECHNICAL DATA ELEMENTARY CONTROL WIRING DIAGRAM 3 COMPRESSOR YCAV CHILLER CON T TECHNICAL DATA LD12553 ...

Page 59: ...59 JOHNSON CONTROLS FORM 201 21 NM4 1020 59 JOHNSON CONTROLS 6 ELEMENTARY CONTROL WIRING DIAGRAM 3 COMPRESSOR YCAV CHILLER CON T LD12554 ...

Page 60: ...60 JOHNSON CONTROLS FORM 201 21 NM4 1020 60 JOHNSON CONTROLS TECHNICAL DATA POWER ELEMENTARY WIRING DIAGRAM 3 COMPRESSOR YCAV CHILLER TECHNICAL DATA LD12555 ...

Page 61: ...61 JOHNSON CONTROLS FORM 201 21 NM4 1020 61 JOHNSON CONTROLS 6 POWER ELEMENTARY DIAGRAM 3 COMPRESSOR YCAV CHILLER CON T LD12556 ...

Page 62: ...62 JOHNSON CONTROLS FORM 201 21 NM4 1020 62 JOHNSON CONTROLS TECHNICAL DATA CONTROL WIRING CONNECTION WIRING DIAGRAM 3 COMPRESSOR YCAV CHILLER LD12557 ...

Page 63: ...63 JOHNSON CONTROLS FORM 201 21 NM4 1020 63 JOHNSON CONTROLS 6 CONTROL WIRING CONNECTION WIRING DIAGRAM 3 COMPRESSOR YCAV CHILLER CON T LD12558 ...

Page 64: ...64 JOHNSON CONTROLS FORM 201 21 NM4 1020 64 JOHNSON CONTROLS TECHNICAL DATA POWER WIRING CONNECTION WIRING DIAGRAM 3 COMPRESSOR YCAV CHILLER TECHNICAL DATA LD12520 ...

Page 65: ...65 JOHNSON CONTROLS FORM 201 21 NM4 1020 65 JOHNSON CONTROLS 6 POWER WIRING CONNECTION WIRING DIAGRAM 3 COMPRESSOR YCAV CHILLER CON T LD12550 ...

Page 66: ...66 JOHNSON CONTROLS FORM 201 21 NM4 1020 66 JOHNSON CONTROLS TECHNICAL DATA 035 20326 006 REV LD11125 LOCATION LABEL ...

Page 67: ...67 JOHNSON CONTROLS FORM 201 21 NM4 1020 67 JOHNSON CONTROLS 6 This page intentionally left blank ...

Page 68: ...68 JOHNSON CONTROLS FORM 201 21 NM4 1020 68 JOHNSON CONTROLS TECHNICAL DATA ELEMENTARY CONTROL WIRING DIAGRAM 4 COMPRESSOR YCAV CHILLER LD11126A ...

Page 69: ...69 JOHNSON CONTROLS FORM 201 21 NM4 1020 69 JOHNSON CONTROLS 6 ELEMENTARY CONTROL WIRING DIAGRAM 4 COMPRESSOR YCAV CHILLER CON T LD11127A ...

Page 70: ...70 JOHNSON CONTROLS FORM 201 21 NM4 1020 70 JOHNSON CONTROLS TECHNICAL DATA ELEMENTARY CONTROL WIRING DIAGRAM 4 COMPRESSOR YCAV CHILLER CON T LD11128A ...

Page 71: ...71 JOHNSON CONTROLS FORM 201 21 NM4 1020 71 JOHNSON CONTROLS 6 ELEMENTARY CONTROL WIRING DIAGRAM 4 COMPRESSOR YCAV CHILLER CON T LD11129A ...

Page 72: ...72 JOHNSON CONTROLS FORM 201 21 NM4 1020 72 JOHNSON CONTROLS TECHNICAL DATA POWER ELEMENTARY WIRING DIAGRAM 4 COMPRESSOR YCAV CHILLER LD11130A ...

Page 73: ...73 JOHNSON CONTROLS FORM 201 21 NM4 1020 73 JOHNSON CONTROLS 6 POWER ELEMENTARY WIRING DIAGRAM 4 COMPRESSOR YCAV CHILLER CON T LD11131A ...

Page 74: ...74 JOHNSON CONTROLS FORM 201 21 NM4 1020 74 JOHNSON CONTROLS TECHNICAL DATA POWER ELEMENTARY WIRING DIAGRAM 4 COMPRESSOR YCAV CHILLER CON T LD11132A ...

Page 75: ...75 JOHNSON CONTROLS FORM 201 21 NM4 1020 75 JOHNSON CONTROLS 6 POWER ELEMENTARY WIRING DIAGRAM 4 COMPRESSOR YCAV CHILLER CON T LD11133A ...

Page 76: ...76 JOHNSON CONTROLS FORM 201 21 NM4 1020 76 JOHNSON CONTROLS TECHNICAL DATA CONTROL WIRING CONNECTION DIAGRAM 4 COMPRESSOR YCAV CHILLER CON T LD11134A ...

Page 77: ...77 JOHNSON CONTROLS FORM 201 21 NM4 1020 77 JOHNSON CONTROLS 6 CONTROL WIRING CONNECTION DIAGRAM 4 COMPRESSOR YCAV CHILLER CON T LD11135A ...

Page 78: ...78 JOHNSON CONTROLS FORM 201 21 NM4 1020 78 JOHNSON CONTROLS TECHNICAL DATA POWER WIRING CONNECTION DIAGRAM 4 COMPRESSOR YCAV CHILLER LD11136A ...

Page 79: ...79 JOHNSON CONTROLS FORM 201 21 NM4 1020 79 JOHNSON CONTROLS 6 POWER WIRING CONNECTION DIAGRAM 4 COMPRESSOR YCAV CHILLER CON T LD11137A ...

Page 80: ...80 JOHNSON CONTROLS FORM 201 21 NM4 1020 80 JOHNSON CONTROLS TECHNICAL DATA LD11138A POWER WIRING CONNECTION DIAGRAM 4 COMPRESSOR YCAV CHILLER CON T ...

Page 81: ...81 JOHNSON CONTROLS FORM 201 21 NM4 1020 81 JOHNSON CONTROLS 6 POWER WIRING CONNECTION DIAGRAM 4 COMPRESSOR YCAV CHILLER CON T LD11139A ...

Page 82: ...82 JOHNSON CONTROLS FORM 201 21 NM4 1020 82 JOHNSON CONTROLS TECHNICAL DATA LOCATION LABEL 035 20890 008 REV LD11140 ...

Page 83: ...83 JOHNSON CONTROLS FORM 201 21 NM4 1020 83 JOHNSON CONTROLS 6 035 20890 009 REV LOCATION LABEL CON T LD11141 ...

Page 84: ...te restrictions may compromise minimum clearances indicated below resulting in unpredictable air flow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutout however the system designer must consider potential performance degradation Access to the unit control center assumes the unit is no higher than on spring isolator...

Page 85: ... 980 2198 152 10 WATER INLET 292 1952 3868 2235 370 9735 A 1778 2242 2428 D D SYS 2 SYS 1 S Y ORIGIN 2235 1618 730 444 229 25 Y 32 TYP 840 1727 1273 1524 1166 1220 1232 2 X 254 TYP 89 TYP 1734 TO EVAP CONN TO ISO LOC 911 114 X 51mm RIGGING HOLES EACH SIDE TYP 16 mm MOUNTING HOLES TYP DIMENSIONS YCAV0969E V High Efficiency SI Con t ...

Page 86: ...eration and ease of maintenance Site restrictions may compromise minimum clearances indicated below resulting in unpredictable air flow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutout however the system designer must consider potential performance degradation Access to the unit control center assumes the unit is...

Page 87: ... D D 10 WATER OUTLET Z Z G G C C X X A G G C C X X 980 2198 152 10 WATER INLET 292 1952 3868 2235 370 9735 A 1778 2242 2428 D D SYS 2 SYS 1 Y S ORIGIN 2235 1618 730 444 229 25 Y 32 TYP 840 1727 1273 1524 1166 1220 1232 2 X 254 TYP 89 TYP 1734 TO EVAP CONN TO ISO LOC 911 114 X 51mm RIGGING HOLES EACH SIDE TYP 16 mm MOUNTING HOLES TYP ...

Page 88: ...ontrols will optimize operation without nuisance high pressure safety cutout 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 clearances Side to wall 2m rear to wall 2m control panel end to wall 1 2m top no obstructions allowed distance between adjacent units 3m N...

Page 89: ... G G C C X A G G C C X 980 2198 152 10 WATER INLET 298 1952 3868 2235 370 10852 A 1778 2242 2428 D D SYS 2 SYS 1 SY S 3 ORIGIN 2235 1575 730 444 229 25 Y APPROX OPERATING WEIGHT DISTRIBUTION KG 2061 32 TYP 1561 1145 1372 1324 1524 1166 1220 1232 2 X 254 TYP 89 TYP HOLES TYP 1734 16 MOUNTING 967 1 500 1 515 1 834 1 662 1 350 1 264 1 257 625 632 1 290 1 389 1 769 1 831 1 552 1 464 1 297 817 TO EVAP ...

Page 90: ... and ease of maintenance Site restrictions may compromise minimum clearances indicated below resulting in unpredictable air flow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutout however the system designer must consider potential performance degradation Access to the unit control center assumes the unit is no hig...

Page 91: ... D D 10 WATER OUTLET Z Z G G C C X X A G G C C X X 980 2198 152 10 WATER INLET 292 1952 3994 2108 381 9735 A 1778 2242 2428 D D SYS 2 SYS 1 S Y ORIGIN 2102 1835 719 460 229 25 Y 32 TYP 879 1283 1526 1598 1232 1232 1232 2 X 254 TYP 89 TYP 1734 TO EVAP CONN TO ISO LOC 954 114 X 51mm RIGGING HOLES EACH SIDE TYP 16 mm MOUNTING HOLES TYP ...

Page 92: ...ontrols will optimize operation without nuisance high pressure safety cutout 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 clearances Side to wall 2m rear to wall 2m control panel end to wall 1 2m top no obstructions allowed distance between adjacent units 3m N...

Page 93: ...OUTLET Z G G C C X A G G C C X 980 2198 152 10 WATER INLET 298 1952 3994 2108 381 10852 A 1778 2242 2428 D D SYS 2 SYS 1 SY S 3 ORIGIN 2102 1835 719 460 229 25 Y APPROX OPERATING WEIGHT DISTRIBUTION KG 2061 32 TYP 1561 1283 1526 1598 1232 1232 1232 2 X 254 TYP 89 TYP HOLES TYP 1734 16 MOUNTING 666 1 004 1 567 1 596 1 986 1 808 1 414 1 301 1 388 1 462 1 909 1 983 1 622 1 529 1 373 852 TO EVAP CONN ...

Page 94: ... controls will optimize operation without nuisance high pressure safety cutout 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 clearances Side to wall 2m rear to wall 2m control panel end to wall 1 2m top no obstructions allowed distance between adjacent units 3m...

Page 95: ...R OUTLET Z G G C C X A G G C C X 980 2198 152 10 WATER INLET 298 1952 3994 2108 381 10852 A 1778 2242 2428 D D SYS 2 SYS 1 SY S 3 ORIGIN 2102 1835 719 460 229 25 Y APPROX OPERATING WEIGHT DISTRIBUTION KG 2061 32 TYP 1561 1283 1526 1598 1232 1232 1232 2 X 254 TYP 89 TYP HOLES TYP 1734 16 MOUNTING 668 1 004 1 568 1 597 1 987 1 809 1 416 1 304 1 393 1 464 1 911 1 984 1 624 1 530 1 377 853 TO EVAP CON...

Page 96: ...ontrols will optimize operation without nuisance high pressure safety cutout 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 clearances Side to wall 2m rear to wall 2m control panel end to wall 1 2m top no obstructions allowed distance between adjacent units 3m N...

Page 97: ...C C X A G G C C X 980 2198 152 10 WATER INLET 292 1952 3994 2108 381 11970 A 1778 2242 2428 D D SYS 2 SYS 1 SY S 3 ORIGIN 2102 719 460 229 25 Y APPROX OPERATING WEIGHT DISTRIBUTION KG 2953 2061 CONTROL PANEL 32 TYP 1524 1214 2090 1526 1598 1232 1232 1232 2 X 254 TYP 89 TYP HOLES TYP 1734 16 MOUNTING 1 049 1 672 1 714 2 130 1 630 1 256 1 973 2 083 1 415 1 318 1 683 2 131 423 418 1 230 1 742 1 634 8...

Page 98: ... controls will optimize operation without nuisance high pressure safety cutout 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 clearances Side to wall 2m rear to wall 2m control panel end to wall 1 2m top no obstructions allowed distance between adjacent units 3m...

Page 99: ... C X A G G C C X 980 2198 152 10 WATER INLET 292 1952 3994 2108 381 11970 A 1778 2242 2428 D D SYS 2 SYS 1 SY S 3 ORIGIN 2102 719 460 229 25 Y APPROX OPERATING WEIGHT DISTRIBUTION KG 2953 2061 CONTROL PANEL 32 TYP 1524 1214 2090 1526 1598 1232 1232 1232 2 X 254 TYP 89 TYP HOLES TYP 1734 16 MOUNTING 1 006 1 623 1 655 2 054 1 431 1 288 1 862 1 971 1 279 1 246 1 478 2 056 1 093 1 077 1 191 1 683 1 58...

Page 100: ...may compromise minimum clearances indicated below resulting in unpredictable air flow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutout 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 mi...

Page 101: ...3 TO EVAP CONN ORIGIN VIEW D D 2428 A 1232 2310 705 453 152 A 292 13433 2503 10 WATER OUTLET 10 WATER INLET 401 4849 1856 1676 977 2903 1913 32 TYP 2286 2032 1549 1626 1575 1397 1562 1232 89 TYP 2 X 254 TYP TO ISO LOC 933 114 X 51mm RIGGING HOLES EACH SIDE TYP 16 mm MOUNTING HOLES TYP DIMENSIONS YCAV1429E V High Efficiency SI Con t ...

Page 102: ...y compromise minimum clearances indicated below resulting in unpredictable air flow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutout 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 mini...

Page 103: ...TO EVAP CONN ORIGIN VIEW D D 2428 A 1232 2310 705 453 152 A 292 13433 2503 10 WATER OUTLET 10 WATER INLET 401 4849 1856 1676 977 2903 1913 32 TYP 2286 2032 1549 1626 1575 1397 1562 1232 89 TYP 2 X 254 TYP TO ISO LOC 933 114 X 51mm RIGGING HOLES EACH SIDE TYP 16 mm MOUNTING HOLES TYP DIMENSIONS YCAV1549S P Standard Efficiency SI Con t ...

Page 104: ...may compromise minimum clearances indicated below resulting in unpredictable air flow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutout 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 mi...

Page 105: ...O EVAP CONN ORIGIN VIEW D D 2428 A 1232 2310 705 453 152 A 292 14551 10 WATER OUTLET 10 WATER INLET 401 4849 2326 1206 2226 2503 2591 89 TYP 2 X 254 TYP TO ISO LOC 32 TYP 1880 2032 1549 1626 1575 1397 1562 1232 1448 1999 977 114 X 51mm RIGGING HOLES EACH SIDE TYP 16 mm MOUNTING HOLES TYP DIMENSIONS YCAV1549E V High Efficiency SI Con t ...

Page 106: ...y compromise minimum clearances indicated below resulting in unpredictable air flow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutout 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 mini...

Page 107: ...EVAP CONN ORIGIN VIEW D D 2428 A 1232 2310 718 459 152 A 292 14551 1999 10 WATER OUTLET 10 WATER INLET 394 4848 1856 1673 1924 2503 2903 32 TYP 1880 2032 1549 1626 1575 1397 1562 1232 89 TYP 2 X 254 TYP TO ISO LOC 1448 977 114 X 51mm RIGGING HOLES EACH SIDE TYP 16 mm MOUNTING HOLES TYP DIMENSIONS YCAV1649S P Standard Efficiency SI Con t ...

Page 108: ...may compromise minimum clearances indicated below resulting in unpredictable air flow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutout 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 mi...

Page 109: ...O EVAP CONN ORIGIN VIEW D D 2428 A 1232 2310 705 453 152 A 292 15668 2591 10 WATER OUTLET 10 WATER INLET 394 4856 2326 1206 977 2503 2558 89 TYP 2 X 254 TYP TO ISO LOC 32 TYP 2235 2032 1549 1626 1575 1397 1562 1232 2210 2226 114 X 51mm RIGGING HOLES EACH SIDE TYP 16 mm MOUNTING HOLES TYP DIMENSIONS YCAV1739E V High Efficiency SI Con t ...

Page 110: ...y compromise minimum clearances indicated below resulting in unpredictable air flow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutout 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 mini...

Page 111: ...EVAP CONN ORIGIN VIEW D D 2428 A 1232 2310 705 453 152 A 292 14551 10 WATER OUTLET 10 WATER INLET 401 4849 2326 1206 2226 2503 2591 89 TYP 2 X 254 TYP TO ISO LOC 32 TYP 1880 2032 1549 1626 1575 1397 1562 1232 1448 1999 977 114 X 51mm RIGGING HOLES EACH SIDE TYP 16 mm MOUNTING HOLES TYP DIMENSIONS YCAV1739S P Standard Efficiency SI Con t ...

Page 112: ...n and ease of maintenance Site restrictions may compromise minimum clearances indicated below resulting in unpredictable air flow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutout however the system designer must consider potential performance degradation Access to the unit control center assumes the unit is no hi...

Page 113: ... C C X G G C X Y 2242 SYS 2 SYS 1 24 SYS 4 SYS 3 TO EVAP CONN ORIGIN VIEW D D 2428 A 1232 2310 705 453 152 A 292 15668 2591 10 WATER OUTLET 10 WATER INLET 394 4856 2326 1206 977 2503 2558 89 TYP 2 X 254 TYP TO ISO LOC 32 TYP 2235 2032 1549 1626 1575 1397 1562 1232 2210 2226 114 X 51mm RIGGING HOLES EACH SIDE TYP 16 mm MOUNTING HOLES TYP ...

Page 114: ...y compromise minimum clearances indicated below resulting in unpredictable air flow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutout 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 mini...

Page 115: ...EVAP CONN ORIGIN VIEW D D 2428 A 1232 2310 705 453 152 A 292 15668 2591 10 WATER OUTLET 10 WATER INLET 394 4856 2326 1206 977 2503 2558 89 TYP 2 X 254 TYP TO ISO LOC 32 TYP 2235 2032 1549 1626 1575 1397 1562 1232 2210 2226 114 X 51mm RIGGING HOLES EACH SIDE TYP 16 mm MOUNTING HOLES TYP DIMENSIONS YCAV1909S P Standard Efficiency SI Con t ...

Page 116: ...N CONTROLS TECHNICAL DATA 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 LD10506 TECHNICAL DATA 72 2 m 72 2 m 72 2 m 48 1 3 m ...

Page 117: ...cific location isolator position and location measurements for each isolator Location X Distance inches mm Y Distance inches mm Vendor Number Weight R1 3 51 89 2 10 0 254 0 ND D Yellow 793 0 359 7 L1 3 51 89 2 78 0 1981 2 ND D Yellow 722 0 327 49 R2 48 5 1231 9 1 25 31 8 ND D Yellow 1236 0 560 64 L2 48 5 1231 9 86 75 2203 5 ND D Yellow 1222 0 554 29 R3 96 54 2451 6 1 25 31 8 ND D Yellow 1413 0 640...

Page 118: ...ted as X in FIG 12 Distances are measured from the end of base rail not the corner post YCAV0969E V and YCAV1039S P YCAV1039E V LD11605 LD11606 1231 9 mm 1219 2 mm 1165 2 mm 1273 2 mm 1524 0 mm 1727 2 mm 1284 5 mm 31 75 mm 15 9 mm 254 mm 88 9 mm 15 9 mm 1231 9 mm 1219 2 mm 1165 2 mm 1324 0 mm 1524 0 mm 1371 6 mm 31 75 mm 1144 6 mm 1561 3 mm 254 mm 88 9 mm TECHNICAL DATA ...

Page 119: ...esignated as X in FIG 12 Distances are measured from the end of base rail not the corner post YCAV1139S P YCAV1169E V and YCAV1309S P LD11607 LD11606 1231 9 mm 1231 9 mm 1525 6 mm 1598 6 mm 1282 7 mm 1320 8 mm 1231 9 mm 31 75 mm 15 9 mm 254 mm 88 9 mm 15 9 mm 254 mm 88 9 mm 1231 9 mm 1231 9 mm 1525 6 mm 1598 6 mm 2162 3 mm 1562 1 mm 1231 9 mm 31 75 mm ...

Page 120: ...0 mm 15 9 mm 254 mm 88 9 mm CONTROL PANEL G G C X Y 88 1 4 SYS 2 SYS 1 15 16 SYS 4 SYS 3 TO EVAP CONN ORIGIN 1 1 4 TYP 90 80 61 64 62 55 61 1 2 48 1 2 3 1 2 88 9 mm TYP HOLES TYP MOUNTING 2 X 10 254 mm TYP TO ISO LOC 1231 9 mm 1562 1 mm 1625 6 mm 1574 8 mm 1549 7 mm 2032 0 mm 1397 0 mm 31 75 mm 2286 0 mm 5 8 15 9 mm NOTE Distances indicated are from the end of the chiller designated as X in FIG 12...

Page 121: ...1 1 2 48 1 2 57 1231 9 mm 1562 1 mm 1625 6 mm 1574 8 mm 1549 4 mm 2032 0 mm 1397 0 mm 31 75 mm 1879 6 mm 1447 8 mm CONTROL PANEL G G C X Y 88 1 4 SYS 2 SYS 1 15 16 SYS 4 SYS 3 TO EVAP CONN ORIGIN HOLES TYP MOUNTING TO ISO LOC 1 1 4 TYP 88 80 61 64 62 55 61 1 2 48 1 2 87 1231 9 mm 1562 1 mm 1625 6 mm 1574 8 mm 1549 4 mm 2032 0 mm 1397 0 mm 31 75 mm 2232 2 mm 2209 8 mm 2 X 10 254 mm TYP 3 1 2 88 9 m...

Page 122: ... Value is de rated by 15 PIN 54 S Weight Range lbs Weight Range kg Vendor P N COLOR YORK P N UP TO 358 LBS Up to 162 kg SLRS 2 C2 420 Red 029 24585 006 358 442 LBS 162 to 201 kg SLRS 2 C2 520 White 029 24585 007 443 581 LBS 201 to 264 kg SLRS 2 C2 660 Black 029 24585 008 582 782 LBS 264 to 335 kg SLRS 2 C2 920 Blue 029 24585 009 783 1037 LBS 335 to 471 kg SLRS 2 C2 1220 Green 029 24585 010 1038 14...

Page 123: ...steel washer 8 Turn adjustment bolt 8 turns on each mount 9 Take one additional complete turn on each adjustment bolt in sequence until the top plate lifts off of the lower restraining nuts Take no additional turns on that mount Continue with equal turns on the other mounts until the top plates lift off of the lower restraining nuts of all mounts 10 Hold the limit stop bolt in place and turn the l...

Page 124: ... It is not necessary to bolt the mountings to a concrete pad in most cases Mountings should always be bolted to the chiller rails When mountings and the chiller are installed on steel framing above the ground the mountings should be bolted to the steel framework Lower the chiller on to the mountings evenly to avoid placing excessive weight on individual isolators LD10569 ENGLISH SIZE D H L T W BC ...

Page 125: ...851 1064 LBS 386 to 483 kg CIP B 1250 Gray 029 24583 005 1064 1404 LBS 483 to 637 kg CIP B 1650 Black 029 24583 006 For Units With Any Load Point Above 1404 LBS 637 KG UP TO 851 LBS Up to 386 kg CIP C 1000 Black 029 24583 007 851 1149 LBS 386 to 521 kg CIP C 1350 Yellow 029 24583 008 1149 1489 LBS 521 to 675 kg CIP C 1750 Black 029 24583 009 1489 1786 LBS 675 to 810 kg CIP C 2100 Yellow w Red 029 ...

Page 126: ... by all mountings and the equip ment is raised free of the spacer blocks or shims Remove the blocks or shims 8 Turn the leveling bolt of all mountings in either direction in order to level the installation 9 Tighten the nuts on hold down bolts to permit a clearance of 2mm 1 8 between resilient washer and underside of channel cap plate 10 Installation is now complete Illustration shows single sprin...

Page 127: ... Liquid High Pressure Vapor Oil Low Pressure Liquid Medium Pressure Vapor Economizer Added to some models COMPRESSOR Stopper Motor Valve Angle Stop Valve M3 S Air Entering Compressor R 22 Refrigerant Circuit Number Sight Glass Filter or Dryer Solenoid Valve Relief Valve Ball Valve OIL SEPARATOR EVAPORATOR CONDENSOR COIL OIL COOLER COIL S S SMV SMV FLASH TANK SMV ...

Page 128: ...H PRESSURE LOAD LIMITING HIGH TEMPERATURE CUTOUT LOW PRESSURE CUTOUT CHT DP DFP DV HPL HTC LPC LOW TEMPERATURE CUTOUT HIGH PRESSURE CUTOUT HEATER LTC HPC HTR SOLENOID VALVE BALL VALVE RELIEF VALVE STOP VALVE ANGLE ACCESS PRESSURE SENSOR TEMPERATURE SENSOR REPLACEABLE CORE FILTER DRYER SIGHT GLASS FLOW SWITCH optional PRESSURE SWITCH ELECTRIC HEATER PLUG MICROPROCESSOR CONTROL FUNCTIONS MAJOR COMPO...

Page 129: ...129 JOHNSON CONTROLS FORM 201 21 NM4 1020 129 JOHNSON CONTROLS 6 COMPONENT LOCATIONS FIG 15 COMPONENT LOCATIONS CHILLER VSD ELECTRICAL PANEL CONDENSOR COIL COMPRESSOR KEYPAD DISPLAY PANEL DOOR FANS ...

Page 130: ...130 JOHNSON CONTROLS FORM 201 21 NM4 1020 130 JOHNSON CONTROLS TECHNICAL DATA FIG 16 3 COMPRESSOR CONTROL AND VSD CABINET COMPONENTS COMPONENT LOCATIONS 3 COMPRESSOR CON T 50068 ...

Page 131: ...T FIG 17 CHILLER CONTROL BOARD RELAY BOARDS MICROGATEWAY 3 COMPR TOP 4 COMPR BTM 50069 MICROGATEWAY OPTIONAL CHILLER CONTROL BOARD RELAY BOARD 1 RELAY BOARD 2 RELAY BOARD 3 MICROGATEWAY OPTIONAL CHILLER CONTROL BOARD RELAY BOARD 1 RELAY BOARD 2 RELAY BOARD 3 10T TRANSFORMER 11T TRANSFORMER ...

Page 132: ... 1020 132 JOHNSON CONTROLS TECHNICAL DATA FIG 18 CHILLER CONTROL BOARD RELAY BOARDS 50070 COMPONENT LOCATIONS CON T RELAY BOARD 2 RS 232 485 JUMPER CLOCK JUMPER CLK JP2 JP4 JP5 JP6 mA V JUMPER POSITION CHILLER CONTROL BOARD RELAY BOARD 1 ...

Page 133: ... 201 21 NM4 1020 133 JOHNSON CONTROLS 6 FIG 19 VSD LOGIC BOARD 50071 COMPONENT LOCATIONS CON T VSD LOGIC BOARD 50087 3 COMPRESSOR MODELS 4 COMPRESSOR MODELS SCR TRIGGER BOARD SCR TRIGGER BOARD SYS 1 3 SCR TRIGGER BOARD SYS 2 4 ...

Page 134: ...134 JOHNSON CONTROLS TECHNICAL DATA FIG 20 VSD LOGIC BOARD LD10590 COMPONENT LOCATIONS 3 4 COMPRESSOR CON T YORK MADE IN THE USA R86 COMPR 4 Over Load Adjust R42 COMPR 3 Over Load Adjust R64 COMPR 2 Over Load Adjust R19 COMPR 1 Over Load Adjust ...

Page 135: ...T 11T TRANSFORMER OPTIONAL CIRCUIT BREAKER Standard Unit will have terminal blocks CONTROL AND VSD CABINET COOLING COIL CONTROL AND VSD CABINET COOLING FANS 10T TRANSFORMER INPUT POWER TO THE CHILLER CONNECTS HERE TRANSIENT SUPPRESSOR BOARD 11 12 13 FU FUSES FU4 5 6 7 8 9 14 15 16 22 23 24 FLASH TANK DRAIN FEED VALVE CONTROLLER VG1 ...

Page 136: ...OMPONENTS 50090 COMPONENT LOCATIONS CON T 4 COMPRESSOR4 OPTIONAL CIRCUIT BREAKER Standard Unit will have terminal blocks FUSES FU4 5 6 7 8 9 14 15 16 22 23 24 25 26 27 31 32 33 FUSES FU17 18 34 35 19 20 21 1TB TERMINALS 2 28 40 41 FUSES FU1 2 3 3TB TERMINALS 2 110 113 210 213 313 413 FUSE FU36 ...

Page 137: ... 137 JOHNSON CONTROLS 6 FIG 23 FAN CONTACTORS COMPONENT LOCATIONS CON T 50072 FAN CONTACTORS 10CR 12CR 4CR 6CR 13CR 15CR 7CR 9CR 50088 3 COMPRESSOR MODELS 4 COMPRESSOR MODELS 3T TRANSFORMER FAN CONTACTORS 4 5 6 7 8 9 11 12 13CR 3T TRANSFORMER ...

Page 138: ...T 3 COMPRESSOR LD10585 COOLING FAN FUSES 17 21 FU 17 FU 2T 18 FU VSD Logic SCR Trigger Board Pump Contactor 19 FU 10T 11T 20 FU Relay Board 1 21 FU Relay Board 2 FUSES 4 9 FU 14 16 FU 4 6 FU TB 1 3 SCR Trigger Board 7 9 FU Sys 1 Fans 14 16 FU Sys 2 Fans TRANSIENT SUPPRESSOR BOARD 3 Phase Input 11 13 12 FU 1L AC LINE INDUCTOR ...

Page 139: ... 3T VSD LOGIC and SCR Trigger Board 24 VAC Supply Transformer CURRENT TRANSFORMERS SNUBBER CAPS C7 C12 SCR TRIGGER BOARD SCR DIODE MODULES 1RES 2RES BUS CAPACITOR BANK EQUALIZING BLEEDER RESISTORS IGBT GATE DRIVER BOARDS HEATSINK Water Cooled BUS FILTER CAPACITORS Behind Panel COMPONENT LOCATIONS CON T 3 COMPRESSOR IGBT MODULES DC BUS VOLTAGE ISOLATION BOARD ...

Page 140: ...9CR 10 12CR 4 6CR SYS 2 4 CURRENT TRANSFORMER 9 8 7CT 17 16 15CT HEATSINK Water Cooled 1 TOP 1 BOTTOM CURRENT TRANSFORMERS 14 13 12CT 6 5 4 CT FIG 26 VSD COMPONENTS 50089 VSD LOGIC BOARD TRANSFORMER 3T 17CR 16CR FUSES 11 13 12FU FUSES 28 30 29FU SNUBBER RESISTORS 17R 22R SNUBBER CAPACITORS C31 C33 2L LINE INDUCTOR SNUBBER RESISTORS 23R 28R SNUBBER CAPACITORS C34 C36 SCR TRIGGER BOARD DC BUS ISOLAT...

Page 141: ...NG COIL TRANSIENT SUPPRESSOR BOARD W 11FU 12FU 13 FU FUSES 3 Phase Input 1 1 1 1 1 1 1 2 2 2 2 2 2 2 SNUBBER CAPS C24 25 26 21 22 23 18 19 20 1 SNUBBER RESISTORS RES15 16 17 18 19 20 9 10 11 12 13 14 3 4 5 6 7 8 2 THE LINE INDUCTOR WILL REACH OPERATING TEMPERATURES OF OVER 300 F DO NOT OPEN PANEL DOORS DURING OPERATION ASSURE THE INDUCTOR IS COOL WHENEVER WORKING NEAR THE INDUCTOR WITH POWER OFF L...

Page 142: ...142 JOHNSON CONTROLS FORM 201 21 NM4 1020 142 JOHNSON CONTROLS TECHNICAL DATA FIG 28 INVERTER POWER COMPONENTS 50077 COMPONENT LOCATIONS 3 COMPRESSOR CON T SCR TRIGGER BOARD ...

Page 143: ...ENTS LD10592 COMPONENT LOCATIONS CON T LD10591 IGBT S IGBT S IGBT S WATER COOLED HEAT SINK SCR DIODE MODULE SCR DIODE MODULES 1RES 2RES BUS CAPACITORS BANK EQUALIZING BLEEDER RESISTORS LAMINATED BUS STRUCTURE IGBT S IGBT S IGBT GATE DRIVER BOARD 1 SYS 1 OR 2 IGBT GATE DRIVER BOARD 2 SYS 3 OR 4 ...

Page 144: ...OWER COMPONENTS LAMINATED BUS STRUCTURE BUS FILTER CAPACITORS IGBT GATE DRIVER BOARD IGBT WATER COOLED HEAT SINK IGBT S IGBT S SCR DIODE MODULES SCR DIODE MODULES 1RES 2RES BUS CAPACITORS BANK EQUALIZING BLEEDER RESISTORS FIG 30 INVERTER POWER COMPONENTS LD10593 LD10594 COMPONENT LOCATIONS CON T ...

Page 145: ...AL 4 PLACES SEE DETAIL A SEE DETAIL C SEE DETAIL B SEE DETAIL C SEE DETAIL B SEE DETAIL A REAR OF VSD PANEL GLYCOL FILL TUBE GLYCOL PUMP DETAIL A DETAIL C DETAIL B TYPICAL 4 PLACES SEE DETAIL A SEE DETAIL C SEE DETAIL B SEE DETAIL C SEE DETAIL B SEE DETAIL A REAR OF VSD PANEL LD10595 FIG 32 GLYCOL PUMP FILL TUBE LOCATIONS ...

Page 146: ...146 JOHNSON CONTROLS FORM 201 21 NM4 1020 146 JOHNSON CONTROLS TECHNICAL DATA LD10597 FIG 33 GLYCOL PIPING AND FILL TUBE LOCATION GLYCOL FILL TUBE GLYCOL SYSTEM COMPONENTS CON T ...

Page 147: ... 147 JOHNSON CONTROLS 6 COMPRESSOR COMPONENTS LD10596 FIG 34 COMPRESSOR COMPONENTS SUCTION STRAINER STATOR KEY ROTOR MOTOR ROTOR HOUSING MALE ROTOR FEMALE ROTOR BEARINGS SHIMS SHIMS BEARINGS DISCHARGE HOUSING OIL FILTER MOTOR TERMINALS STATOR ...

Page 148: ... Assure the unit is properly charged and there are no piping leaks 4 Open each system suction service valve discharge service valve economizer service valve liquid line stop valve and oil line ball valve 5 The oil separator oil level s should be maintained so that an oil level is visible in either of the oil separator sight glasses when a compressor is running at high speeds for 10 to 15 minutes A...

Page 149: ...and pressure drop across the cooler Excessive flow may cause catastrophic damage to the evaporator EQUIPMENT START UP CHECK SHEET CON T 7 Check the control panel to ensure it is free of foreign material wires metal chips tools documents etc 8 Visually inspect wiring power and control Wiring MUST meet N E C and local codes See FIG 17 and 21 pages 131 and 135 9 Check tightness of the incoming power ...

Page 150: ...n the VSD Logic Board are set correctly correct settings are found on Page 298 Press the VSD DATA key and using the arrow keys scroll to the compressor overload settings Verify the Factory Set overload potentiometer s on the VSD logic board see FIG 16 are set correctly In the un likely event that they are not set correctly adjust the potentiometers until the desired values are achieved The VSD is ...

Page 151: ...ALUES 10 Program the required operating values into the micro for cutouts safeties etc and record them in the chart below See Page 241 for details Record these values in the chart below Suction Press Cutout ________________________ PSIG kPa Low Ambient Cutout ________________________ F C Leaving Chilled Liquid Temp Cutout ________________________ F C Motor Current Limit ________________________ FL...

Page 152: ... 9 C Minus liquid line temp 87 F 30 6 C SUBCOOLING 6 F 3 3 C The subcooling should be adjusted to 5 7 F 2 77 3 78 C 14 Place the panel in Service mode and turn on each fan stage one by one Assure the fans rotate in the correct direction so air flow exits the top of the chiller 15 Remove the cap on the fill tube and run the glycol pump to verify the level in the fill tube Assure the glycol level in...

Page 153: ... to the suction pressure as shown in a standard pressure temperature chart Example Suction Temp 46 F 8 C minus Suction Press 30 PSIG converted to Temp 35 F 1 7 C 11 F 6 3 C The suction temperature should be taken 6 13 mm before the compressor suction service valve and the suction pressure is taken at the compressor suction service valve No superheat adjustments are necessary and the electronically...

Page 154: ...he data entry operation and returns the programmed value to the original value before any programming changes were made when an error is made The UP ARROW and DOWN ARROW keys allow scrolling backward and forward through items to be programmed under keys such as the PROGRAM or OPTIONS key The UP ARROW and DOWN ARROW keys also allow scrolling forward or backwards through data display keys that have ...

Page 155: ...y mode and store the programmed value the ENTER key must be pressed When the ENTER key is pressed the cursor will disappear The data entry mode may also be exited by pressing the X CANCEL key The programmed data will be returned to its original value when the X CANCEL key is pressed When the data entry mode is exited the cursor will disappear If any other key is pressed while in the Data Entry Mod...

Page 156: ...converts the analog signals to digital signals which can be read by the onboard microprocessor On a 2 system chiller approximately half of these inputs are utilized Three integrated circuits on the microprocessor can be configured for digital inputs or outputs Digital I O As inputs they can read digital 2 level on off inputs like keypad keys unit switch high pressure cut out flow switch etc As out...

Page 157: ... sections theAC to DC rectifier section with precharge circuit a DC link filter section a three phase DC to AC inverter section and an output RC suppression network AC TO DC RECTIFIER TheAC to DC Rectifier circuit utilizes a semi converter made of three SCR diode modules in a three phase bridge configuration Each SCR Diode module contains 1 SCR and 1 diode The modules are mounted on a liquid coole...

Page 158: ... The capacitor bank in conjunction with the 1L line inductor forms a low pass LC Filter and provides further smoothing filters ripple to the rectified DC Equalizing Bleeder resistors connected across the banks equalize the voltage between the top and bottom capacitors to avoid damaging the capacitors from over voltage The Equalizing Bleeder resistors also provide a path for discharge of the capaci...

Page 159: ...h a common DC Bus links the compressor drive outputs each compressor has its own inverter output module Each inverter output module consists of 6 IGBT s 3 modules and an IGBT Gate Driver Board which converts DC to a 3 phaseAC output The IGBT s are mounted to the liquid cooled heatsink designed to take the heat away from the devices and remove it in the condenser The IGBT Gate Driver Board provides...

Page 160: ...SD Operation and Control section Page 194 CONTROL PANEL TO VSD COMMUNICATIONS Communication between the VSD Logic Board and the Chiller Control Board is made via a three wire RS 485 opto coupled data link Communications between the two boards occurs at the rate of 9600 baud UART2 of the dual UART located on the Chiller Control Board is dedi cated to internal communications and has a higher prior i...

Page 161: ...ng signals originate from the VSD Logic Board and are changed in level by the IGBT Gate Driver Board The IGBT s in the inverter section of the VSD change the DC Link voltage to a variable Voltage and Frequency output to the motor to control the compressor motor speed The IGBT Gate Driver Boards also provides VCE SAT detection short circuit detection to safely turn off the IGBT s during a short cir...

Page 162: ...uid level of the refrigerant in the Flash Tank based on commands from the Chiller Control Board Superheat is controlled by sequencing a stepper motor valve Drain Valve on the outlet of the Flash Tank The controller opens and closes the drain valve to control flow to the evaporator and ultimately superheat to the compressor based on commands from the Chiller Control Board Drain Valve superheat cont...

Page 163: ...s are designed to operate at 460VAC on all voltage units Whenever a 208VAC 60 Hz 230VAC 60 Hz 380VAC 60 Hz 400VAC 50 Hz or 575VAC 60 Hz supply is utilized an autotransformer is used to convert the voltage to 460VAC On 50 Hz units a frequency converter also converts the fan voltage from 50 Hz to 60 Hz The DC Bus Isolation Board allows the VSD Logic Board to read the voltage on the DC BUS without ex...

Page 164: ... SELECTED warning message will be displayed in the Status display TABLE 1 shows the chiller number of compressors and the associated location of the jumpers to program the appropriate compressor configuration TABLE 1 COMPRESSORS AND THE APPROPRIATE JUMPER POSITIONS of COMPRESSORS VSD LOGIC BOARD JUMPER POSITION 2 J1 10 to J1 9 3 J1 11 to J1 9 4 J1 12 to J1 9 VSD LOGIC TO CHILLER MICROPROCESSOR BOA...

Page 165: ...hecked once by the Chiller Control Board on power up TABLE 3 shows the Chiller configuration and the associated location of the jumpers TABLE 3 MAXIMUM FREQUENCY MODEL DESIGNATOR JUMPER 3 COMPRESSOR CHILLER CONTROL BOARD MAX VSD FREQUENCY J7 1 to J7 2 J7 3 to J7 4 J7 5 to J7 6 YCAV 200 Hz 1 1 0 1309 SA PA 1429 SA PA 196 Hz 1 1 1 192 Hz 0 1 0 1169 EA VA 1309 EA VA 188 Hz 0 1 1 1139 SA PA 186 Hz 1 0...

Page 166: ...trolled by ambient air temperature If no systems are running and the ambient temperature drops below 40 F the heater is turned on If no systems are running and the temperature rises above 45 F the heater is turned off Whenever a system is running the evaporator heater is turned off Both evaporator heater outputs will always be turned on and off together An under voltage condition will keep the hea...

Page 167: ...re also wired in series with each set of UNIT Switch contacts If either fuse is pulled or blown only the system with the good fuse Input is high will run When both inputs are high the entire chiller will be enabled to run When both inputs are low the chiller will be disabled as a Unit Switch OFF Shutdown LD10605 UNIT SWITCH The Unit Switch should never be used to shut down the chiller except in an...

Page 168: ...tpoint When a compressor starts the Feed and Drain Valves on the system will immediately begin to control superheat and the liquid level in the Flash Tank and the Chiller Control Board micro will begin to regulate the speed on the VSD to bring the chilled liquid temperature to within the Control Range CR The micro will regu late the speed of the compressor s primarily based on temperature offset a...

Page 169: ...t starts from the all compressors stopped state This routine will try to run all the compressors unless it is determined that less will be needed due to light load The first step in the sequence is for the micro to set the number of compressors to start equal to the number of compressors in the chiller The micro will look at two prior conditions relating to the compressor operating time the previo...

Page 170: ... 37 NOTE The graph above also illustrates the scaled frequency FIG 37 MINIMUM VSD START FREQUENCY LD10627 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 Ambient Temperature F Minimum VSD Frequency Hz NOTE The graph above also illustrates the scaled frequency FIG 38 MINIMUM VSD RUN FREQUENCY LD10628 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 Ambient Temperature...

Page 171: ...z sec is possible up to 200 Hz the frequency speed is limited by the minimum start frequency and the add a compressor frequency calculation performed by the micro when bringing on an additional compressor When decelerating the deceleration rate changes with frequency and follows the guidelines below Between 200 and 100 Hz the deceleration time is 30 4 Hz sec Between 100 and 0 Hz the deceleration t...

Page 172: ...aving chilled liquid temperature to within Setpoint CR 2 the chiller control will make a decision to start another compressor At this point the first compressor will decelerate to a frequency of 5 Hz Reducing the frequency of the running compressor to 5 Hz enables the differential between discharge and suction pres sure to be reduced to a point where it will not affect motor current when the runni...

Page 173: ...bled at shutdown 1 FUZZY LOGIC CONTROL The fuzzy logic control in software makes decisions to increase or decrease speed according to the error or deviation from Setpoint and the rate of change of chilled liquid temperature Before making a change in speed the Chiller Control Board microprocessor will look at the load and unload timers to assure they are timed out It also looks to assure there is n...

Page 174: ...itive rising The Chiller Control Board microprocessor may also elect to hold capacity when error is negative temperature is below Setpoint because the rate of change of chilled liquid is positive rising Table 4 illustrates these conditions and the loading response from the Chiller Control Board microprocessor TABLE 4 FUZZY LOGIC LOADING UNLOADING VS ERROR NEGATIVE ERROR ZERO ERROR POSITIVE ERROR N...

Page 175: ... to occur as long as leaving chilled liquid temperature is above the Setpoint CR The chiller control board will be make decisions regard ing speed changes under conditions where the error and rate conflict Under these conditions loading un loading follows the guidelines described in the Fuzzy Logic Control Section Page 176 If chilled liquid temperature is not satisfied and above Setpoint CR the mi...

Page 176: ...oad timer will be set to 10 seconds On 3 and 4 compressor chillers if temperature stays below the Setpoint minus the Control Range 2 another lag compressor will be shut down using the same guidelines When the system is only operating a single lead compressor if temperature continues to stay below the control range Setpoint CR the Chiller Control Board microprocessor will unload the compressor at t...

Page 177: ...4 0 Hz every 2 seconds As the temperature rises toward Setpoint CR the Chiller Control Board microprocessor s fuzzy logic will begin factoring in the rate of change before continuing to unload If the rate of change is rising too fast and there is potential for overshoot the Chiller Control Board microprocessor may elect not to decrease speed In cases where temperature is rising too fast when tem p...

Page 178: ... setpoint Between the Current Limit Setpoint and the Current Limit Setpoint 5 the system will unload every 2 seconds according to the amount current is ex ceeding the Current Limit Setpoint At the Current limit Setpoint 0 Hz reduction in speed will take place and at the Current Limit Setpoint 5 a 10 Hz speed reduction will take place Between the Current Limit Setpoint and Current Limit Setpoint 5 ...

Page 179: ...z Suction Pressure Cutout 9 PSIG 9 Hz Suction Pressure Cutout 10 PSIG 10 Hz Suction pressure load limiting is active at start up to only prevent loading of the compressors Suction pres sure limit unloading will not occur until the system run time reaches 5 minutes of operation to allow the system to stabilize VSD Internal Ambient Temperature Load Limiting VSD Internal Ambient temperature limiting ...

Page 180: ...ading is inhibited even though increased loading is required Between the VSD Base plate Temperature Cutout 4 F and the cutout forced unloading is performed every 2 seconds according to TABLE 10 below TABLE 10 VSD BASEPLATE TEMPERATURE LOAD LIMITING UNLOADING VSD BASEPLATE TEMPERATURE UN LOADING Baseplate Temp is between Cutout 8ºF Cutout 4ºF 0 Hz Baseplate Temp Cutout 3 6ºF 1 Hz Baseplate Temp Cut...

Page 181: ...hat controls the liquid flow from the condenser to assure the liquid level in the Flash Tank is maintained at a proper level The Level Sensor is a rod inserted into the reservoir connected to the side of the Flash Tank The sensing rod has an active range of about 12 The control algorithm looks at feedback from the Level Sensor and compares it to the fixed level setpoint in the control algorithm Th...

Page 182: ...high ambients the suction line may be warmed by the ambient contributing to inaccurate suc tion superheat measurement at start up To avoid this situation the MOP control utilizes suction pressure control at start up which overrides superheat control For the first minute of run time the MOP Setpoint is set to RCHLT Superheat Setpoint 1 0 F Run Time in Seconds FLASH TANK DRAIN AND FEED VALVE CONTROL...

Page 183: ...4 Drain Valve Open 1 Close System 1 or 3 Feed Valve Close 2 Close System 1 or 3 Drain Valve Close 3 Close System 2 or 4 Feed Valve Close 4 Close System 2 or 4 Drain Valve Close A second module controls systems 3 and 4 Due to the short duration of the open and close stepper pulses LED lighting will be difficult to observe In rare cases where validation of the controller output and valve movement ne...

Page 184: ...noid will remain energized until the VSD frequency drops below 90 Hz Below 90 Hz the solenoid will be turned off regardless of the time remaining on the economizer timers Under these conditions the econo mizer timers will be set to 0 when the solenoids are de energized Below 100 Hz if the economizer timer has timed out the Economizer Solenoids will be turned off the unload timer will be set to 30 ...

Page 185: ...d IPLV chill ers Unless controls dictate all fans running due to high VSD ambient temperatures fans will sequence on when a compressor runs and discharge pressure rises During compressor ramp up or ramp down when compressors are staged the current fan stage will be held The number of fans is factory programmable under the password protected Unit Setup Mode TABLE 11 FAN STAGES AND CORRESPONDING OUT...

Page 186: ...econd timer between fan stages is still TABLE 11 FAN STAGES AND CORRESPONDING OUTPUTS CON T 4 COMPRESSOR CHILLERS 4 FANS 5 FANS 6 FANS OUTPUT CONTACTORS Stage 1 1 Fan ON Sys 1 Fan 1 Sys 2 Fan 2 Sys 3 Fan 13 Sys 4 Fan 14 Stage 1 1 Fan ON Sys 1 Fan 1 Sys 2 Fan 2 Sys 3 Fan 13 Sys 4 Fan14 Stage 2 2 Fans ON Sys 1 Fans 1 11 Sys 2 Fans 2 12 Sys 3 Fans 13 23 Sys 4 Fans 14 24 1 Sys 1 4CR Sys 2 7CR Sys 3 10...

Page 187: ... time delay Pre charge Enable 1 from the Chiller Logic Board is ON Pre charge Enable 2 from the Chiller Logic Board is ON VSD Internal Ambient Temp 158 F Cutout 10 F 148 F When the Internal Ambient Temp falls 158 F Cutout 15 F 143 F the VSD cooling fans and glycol pump will turn off Condenser Fans as needed andVSD coolant pump fans will run whenever a compressor is running Under these conditions t...

Page 188: ...e Temp Reset The offset is linear and may be adjusted anywhere between the 0 and 100 points The maximum setpoint allowed is the maximum programmable Local Cooling Setpoint and will be capped at this value if the calculated setpoint with temperature offset exceeds this value This input may be used either in Local or Remote Con trol Mode This feature will only operate if enabled under the UNIT SETUP...

Page 189: ...own chilled liquid tempera tures on hot water starts and maintaining chilled liquid setpoints REMOTE TEMPERATURE RESET CONTROL CON T 0 20 mA Reset Input A 0 mA signal produces a 0 F reset A 20 mA signal produces the maximum remote temp reset program mable under the SETPOINTS key The setpoint reset is ramped linearly between these limits as the input varies between 0 mA and 20 mA In order for this ...

Page 190: ...the PROGRAM key Current Limit Setpoint A full scale signal input 100 input equates to the minimum current limit setpoint as defined under the PROGRAM key Current Limit Setpoint The current limit value is linear and may be adjusted any where between the maximum and minimum points of 0 no offset and 100 max current limiting This input may be used either in Local or Remote Con trol Mode This input wi...

Page 191: ...Limit must be programmed for 2 10 VDC input OPTIONS key and Chiller Control Board jumper JP5 placed in the V position 0 20 mA Reset Input A 0 mA signal sets the current limit to the maximum value A 20 mA signal sets the current limit to the minimum value The current limit is ramped linearly between these limits as the input varies between 0 mA and 20 mA In order for this input to work properly the...

Page 192: ...d the minimum or maximum value will be used Contact a local YORK ISN Representative for details on ISN controls and capabilities Remote Sound Limit The Sound Limit Setpoint can be set via the Remote Sound Limit analog input Azero signal input 0 input equates to the minimum sound limit setpoint as defined under the PROGRAM key Sound Limit Setpoint Afull scale signal input 100 input equates to the m...

Page 193: ...or this input to work properly the Remote Sound Limit must be programmed for 2 10 VDC input OPTIONS key and Chiller Control Board jumper JP6 placed in the V position 0 20 mA Reset Input A 0 mA signal produces a 0 sound limit no change to max VSD freq A 20 mA signal produces a 100 sound limit max VSD freq min VSD freq The sound limit reset is ramped linearly between these limits as the input varies...

Page 194: ...e output frequency required based on the operating frequency command from the Chiller Control Board This information will then be sent to the PWM generator located on the VSD Logic Board On start up the output frequency from the VSD to the motor s will be increased from 0 Hz to the operating frequency commanded by the Chiller Control Board The rate of change of the frequency will also be con troll...

Page 195: ...e to an AC voltage sinusoidal waveform To change the speed of an AC motor the frequency of the AC voltage must be changed When ever frequency is changed the voltage is changed in a linear ratio Maintaining a relatively constant V F ratio as speed changes assures motor losses and overheating do not occur The output voltage of the VSD is not a sinusoidal wave form Instead the PWM generator provides ...

Page 196: ...ng coil to cool the electronics in the cabinet Never run the glycol pump without coolant Running the glycol pump without coolant may damage the pump seals Always fill the system with approved coolant to avoid damage to the pump seals and other components Heat transfer characteristics of the coolant are very critical Substituting coolant or adding water will result in cooling loop performance loss ...

Page 197: ... F No compressors are running Service Mode Fan Pump is disabled In some cases the condenser fans may be turned on by the micro when no compressors are running to keep the power components and Control VSD Cabinet from overheating IGBT Module Baseplate Temperature Sensing Each IGBT module has an internal 5Kohm thermistor built in to measure the temperature of the module Up to 4 thermistors are conne...

Page 198: ... of the fol lowing conditions are true otherwise it is disabled Daily Schedule is ON Unit Switch is ON System Switch es are ON Run Permissive s are Enabled Flow Switch indicates flow LCHLT Setpoint High Limit Unit not faulted locked out Run Mode Unit Restart In order to initiate a system run two conditions must be met At least 1 of the 2 systems run signals from the control panel must be present a...

Page 199: ... and sent to the Chiller Control Board for both display purposes and for current limiting control This parameter is the 105 FLA value VSD OPERATION AND CONTROLS CON T TABLE 12 VSD OPERATING DISPLAY PARAMETERS DATA DISPLAY FORMAT Highest Phase of Compressor Motor Current in Amperes RMS per Compressor XXX Amps VSD Output Frequency XXX X Hz Motor Overload Setting 105 FLA potentiometer setting in ampe...

Page 200: ...hiller Control Board microproces sor to save a snapshot of system data The VSD Logic Board then transmits the fault data to the Chiller Control Board microprocessor on the next comms between the two boards If the Chiller Control Board receives the comms fault indication before the Fault Relay signal it will immediately save a snapshot of system data when the comms fault is recognized This also ena...

Page 201: ...fault will be a unit fault for 3 compressor units The Status display fault message is shown below SYS X YYYYYYYY PRECHARGE LOW DC BUS VOLT UNIT YYYYYYYY PRECHARGE DC BUS VOLTAGE IMBALANCE The fault will be a system 1 3 or 2 4 fault for 4 com pressor units Two key presses of the STATUS key are required to show the fault on both systems The Status display fault message is displayed below VSD SAFETIE...

Page 202: ... be a unit fault for 3 compressor units Below is the Status display fault message The fault will be a system 1 3 or 2 4 fault on 4 com pressor units Two key presses of the STATUS key are required to show the fault on both systems Below is a sample Status display fault message X indicates the system and YYYYYYY indicates the system is in a LOCKOUT condition and will not restart until the operator c...

Page 203: ...BT GATE DRIVER HARDWARE FAULT The unit s phase bank assembly s contains one IGBT gate driver control board per compressor These boards monitor the saturation voltage drop across each of the six IGBT s while gated on If the IGBT s saturation voltage exceeds the prescribed limit the gate driver will make the determination that a short circuit is present This in turn will cause the system to trip Dur...

Page 204: ... s falls below 165 F The system will be allowed to restart when the inverter power module base plate temperatures drop below this value It is possible for an internal sensor to fail and not sense temperature without causing a high baseplate sensor fault SYS X YYYYYYYY HIGH VSD BASEPLATE TEMP High VSD Internal Ambient Temperature Software Fault The VSD Logic board contains a temperature sensor whic...

Page 205: ...e fault messages for all systems UNIT YYYYYYYY VSD LOGIC BOARD POWER SUPPLY X indicates the system and YYYYYYY indicates the system is in a FAULT condition and will restart when the fault clears or LOCKOUT and will not restart until the operator clears the fault using the keypad SYS X YYYYYYYY VSD RUN RELAY VSD Logic Board Failure Software Fault Upon receipt of the voltage and frequency commands t...

Page 206: ...s will be stored in memory and are transmitted to the panel as the fault data Fault Relay Fault Acknowledge Bit Control of the Fault Relay is from the VSD Logic Board The Fault Relay on the VSD will be closed during a non fault condition When a running or pre charge fault occurs on the VSD the fault relay will immediately open The relay will not open for non running faults that occur When the Chil...

Page 207: ...207 JOHNSON CONTROLS FORM 201 21 NM4 1020 207 JOHNSON CONTROLS 8 VSD SAFETIES FAULTS CON T This page intentionally left blank ...

Page 208: ...78 xxxmicroboardwasdevelopedasadirect replacement for the 031 02478 xxx line of microboards No adapter harness is required when replacing a 02478 with the new 03478 The 03478 uses the IPUII processor card and provides some new features for the chillers that the 02478 did not have The 03478 program resides in flash memory instead of EPROM Program updates are accomplished by loading the new program ...

Page 209: ... 11 3 to 16 6VDC powers the analog out puts to the EEV valves CONFIGURATION JUMPERS The same configuration jumpers that existed on the 02478 are provided on the 03478 JP4 Remote Temp Reset jumper position Pins 1 to 2 left 4 20 mA Pins 2 to 3 right 0 10 VDC JP5 Remote Current Limit jumper position Pins 1 to 2 left 4 20 mA Pins 2 to 3 right 0 10 VDC JP6 Remote Sound Limit jumper position Pins 1 to 2...

Page 210: ... is the Error Code FLASH CARD UPDATE ERROR XXXXX FLASH CARD UPDATE ERROR CODE DEFINITION 0 Okay 10 Flash card not found 11 SOFTWARE BIN file not found 14 SOFTWARE BIN file larger than expected 15 RAM to IPU Flash transfer of DATABASE BIN failed 16 RAM to IPU Flash transfer of SOFTWARE BIN failed 17 Could not allocate sufficient memory to read or write file 99 Internal software error 10 After the u...

Page 211: ... of this message may mean the chiller has lost important factory programmed infor mation The serial number can be entered using the Service Key UNIT WARNING INVALID SERIAL NUMBER ENTER UNIT SERIAL NUMBER Additionally when this appears an Optimized IPLV chiller will only run in Standard IPLV control mode Optimized IPLV cannot be enabled unless the serial number is programmed into the unit using the...

Page 212: ...the VSD was shutting down or while the systems were shut down All faults do not store operating data at the time of the fault LD10605 STATUS KEY If a VSD fault occurs during the fault rampdown or while the systems are shut down the VSD fault will be registered as a new fault The reason for this is the belief any VSD fault should be registered with a full account of the systems data at the time of ...

Page 213: ...ontrolled ramped shutdown if the Chiller Control Board loses communications with the VSD Logic Board while the chiller is operating On power up the Chiller Microprocessor Board will attempt to initialize communications with the VSD Logic Board The control panel will request data from the VSD which includes the number of compressors and the VSD software version Once these data points have been rece...

Page 214: ...me This is known as an ALL FAULT and these faults will be recorded as such under the HIS TORY information stored at the instant of the primary fault In some cases this information may be valuable in troubleshooting the primary fault An example of the ALL FAULT history message is shown on Page 232 under the HISTORY Key When an ALL FAULT oc curs associated history information will not be stored If a...

Page 215: ...ult using the keypad Typically the cutout will be set at 24 PSIG for chilled water applications The cutout is ignored for the first 30 seconds of system run time During the next 3 minutes of run time the cutout point is linearly ramped from 10 of the cutout value up to the programmed cutout point If at any time during the first 3 minutes of operation the suction pres SYS X YYYYYYYY LOW SUCTION PRE...

Page 216: ...nd will restart when the 120 second anti recycle timer times out or LOCK OUT and will not restart until the operator clears the fault using the keypad The safety is ignored for the first 60 seconds of run time After the first 60 seconds of operation the cutout is lin early ramped from 0 PSID to 30 PSID in 5 to 10 minutes based on ambient temperature See TABLE 13 for the ramp times for the given am...

Page 217: ...rolled ramped shutdown If the suction superheat 2 F the discharge super heat 15 F for 10 seconds and the run time is or 5 minutes the system will fault and shutdown with a controlled ramped shutdown If the suction superheat 0 5 F and discharge superheat is 15 F for 60 seconds and run time or 5 minutes the system will fault and shutdown with a controlled ramped shutdown If suction superheat 5 F for...

Page 218: ...de allows a spe cific motor temperature sensor to be ignored if it fails The start inhibit thresholds for each sensor are shown in TABLE 14 SYS X YYYYYYYY SENSOR FAILURE ZZZZZZZZZZZZ TABLE 14 START INHIBIT SENSOR THRESHOLDS SENSOR LOW THRESHOLD HIGH THRESHOLD SUCTION TRANSDUCER 0 3VDC 4 7VDC OIL TRANSDUCER 0 3VDC 4 7VDC DISCHARGE TRANSDUCER 0 3VDC 4 7VDC LEVEL SENSOR 3 0ma 21 0ma MOTOR TEMP SENSOR...

Page 219: ...using the keypad System Control Voltage Cutout Fault The System Control Voltage Cutout alerts the operator the 115VAC Control voltage to one of the systems is missing This could be due to a system fuse that has been removed or is blown The affected system will fault and shut down immediately when the 115VAC supply is lost The safety will not shut down a system if the Unit Switch is OFF which elect...

Page 220: ... both system 1 2 and system 3 4 data There are three types of status data which may appear on the display General Status mes sages Unit Safeties and System Safeties When power is first applied to the control panel the following message displaying YORK International Corporation the EPROM version date and time will be displayed for 2 seconds followed by the appropriate general status message Unit st...

Page 221: ...re is a 1 second delay on this safety to assure the flow switch did not momentarily open UNIT STATUS FLOW SWITCH SHUTDOWN This message indicates the chiller is shutdown but running all the condenser fans VSD glycol pump and VSD fan in an effort to bring the internal VSD ambient temperature down to an acceptable level before allowing the chiller to start UNIT STATUS VSD COOLING SHUTDOWN This messag...

Page 222: ...nloading is in effect SYS X PULLDOWN MOTOR CURRENT LIMITING SYS X VSD INTERNAL AMBIENT TEMP LIMITING The pulldown motor current limiting message indicates the pulldown motor current load limit or pulldown motor current unloading is in effect based on the programmed setpoint SYS X SOUND LIMITING SYS X ISN SOUND LIMITING The ISN Current Limiting message indicates the motor current load limit or moto...

Page 223: ...ages A complete description of the unit safeties and the cor responding status messages is provided on Page 210 System Safety Fault Status Messages A complete description of the system safeties and the corresponding status messages is provided on Page 212 VSD Safety Fault Status Messages A complete description of VSD safeties and the corre sponding status messages is provided on Page 200 Unit Warn...

Page 224: ... The next key press of the UNIT DATA key or the ARROW key displays the ambient air temperature UNIT LOAD TIMER XXX SEC UNLOAD TIMER XXX SEC UNIT OUTSIDE AMBIENT AIR TEMP XXX X F UNIT TEMP ERROR XXX X F RATE XXX X F M The next key press will display the time remaining on the load and unload timers UNIT LEAD SYSTEM NUMBER X FLOW SWITCH XXX The next key press displays the error in temperature between...

Page 225: ...le the inactive items will be blanked out The types of remote control are listed below NONE No remote control is actively controlling the chiller however remote monitoring by a remote device may still be active RCC ARemote Control Center is providing remote control The chiller is in remote mode ISN YorkTalk via ISN The chiller in remote mode CURR Remote Current Limiting is enabled TEMP Remote Temp...

Page 226: ... SYSTEM X DATAkey displays all of the measured system pressures oil suction and discharge The second key press of the SYSTEM DATAKey or the DOWN ARROW key displays all of the measured system temperatures oil suction and discharge SYS 1 PRESSURES OIL XXXX PSIG SUCTION XXXX DISCHARGE XXXX PSIG The next key press displays the suction temperature and all of the calculated suction temperatures saturate...

Page 227: ...SYS 1 RUN SIGNALS RELAY XXX RUN PERM XXX SOFTWARE XXX XXX indicates whether the economizer solenoid is either ON or OFF The next key press displays the liquid level in the flash tank and an indicator of the the Flash Tank Feed Valve is open The next key press displays the system suction superheat and an indicator of the the Flash Tank Drain Valve is open The next key press displays the system fan ...

Page 228: ...0 PSIG 125 0 PSIG Oil Pressure Transducer 0 0 PSIG 275 0 PSIG Discharge Pressure Transducer 0 0 PSIG 275 0 PSIG Flash Tank Level Capacitance 0 0 100 Leaving Chilled Liquid Temp 3Kohm Thermistor 19 1ºF 110 2ºF Return Chilled Liquid Temp 3Kohm Thermistor 19 1ºF 110 2ºF Ambient Air Temp 10Kohm Thermistor 4 6ºF 137 9ºF Suction Temp 3Kohm Thermistor 4 1ºF 132 8ºF Oil Temp 50Kohm Thermistor 40 3ºF 302 6...

Page 229: ...229 JOHNSON CONTROLS FORM 201 21 NM4 1020 229 JOHNSON CONTROLS 8 This page intentionally left blank ...

Page 230: ... key press of the VSD DATA Key or the ARROW key displays the compressor FLA and calculated currents in amps for systems 1 and 2 The calculated currents are approximate and some error can be expected Also keep in mind that measuring inverter PWM current is difficult and meter error can be significant VSD FREQUENCY ACTUAL XXX X HZ COMMAND XXX X HZ The second key press will display the following mess...

Page 231: ...X VDC BUS 2 XXX VDC VSD COMP 3 MOTOR OVERLOAD XXX AMPS COMP 4 MOTOR OVERLOAD XXX AMPS VSD COMP 1 MOTOR OVERLOAD XXX AMPS COMP 2 MOTOR OVERLOAD XXX AMPS VSD INTERNAL AMBIENT TEMP XXX X F COOLING SYSTEM STATUS YYY VSD IGBT BASEPLATE TEMPS T1 XXX F T2 XXX F The next key press displays the state of the Precharge signal where XXX is either ON or OFF The first display is for 3 compressor units the secon...

Page 232: ...ating hours and compressor starts are displayed with a single key press The maximum value for both hours and starts is 99 999 at which point they will roll over to 0 A single display is available under this key and is displayed below On 3 compressor units the data and compressor designators for compressors not present are blanked out HOURS 1 XXXXX 2 XXXXX 3 XXXXX 4 XXXXX START 1 XXXXX 2 XXXXX 3 XX...

Page 233: ...to enter the selection HISTORY CHOOSE HISTORY TYPE XXXXXXXXXXXXXXXXXXXXXXXXXXXX NORM HIST XX 18 JUN 20004 10 34 58 AM SYS X COOLING DEMAND SHUTDOWN NORM HIST XX 18 JUN 20004 10 34 58 AM YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY Normal Shutdowns History If the NORMAL SHUTDOWNS History is selected the following screen will be displayed XX is the normal shutdown number The display will provide date and t...

Page 234: ...ing to the previous display Listed below is a description of the fault data displays and their meaning Data will be displayed in a specific order starting with the Status Display System Faults only Fault Display All Fault Display Unit Data VSD Data System Data Operating Hours Starts Setpoints Options and Program Values at the time of the fault FAULT HIST XX 18 JUN 20004 10 34 58 AM YYYYYYYYYYYYYYY...

Page 235: ...ed Lead System Selection and Flow Switch Status This message indicates the designated lead system at the time of the fault and whether the flow switch was ON Closed or OFF Open at the time of the fault UNIT LEAD SYSTEM NUMBER X FLOW SWITCH XXX Evaporator Pump and Evaporator Heater Status This message indicates the status of the evaporator pump and the evaporator heater at the time of the fault XXX...

Page 236: ...us ON or OFF at the time of the fault IGBT Baseplate Temperature VSD INTERNAL AMBIENT TEMP XXX X F COOLING SYSTEM STATUS YYY VSD COMP 1 MOTOR OVERLOAD XXX AMPS COMP 2 MOTOR OVERLOAD XXX AMPS VSD IGBT BASEPLATE TEMPS T1 XXX F T2 XXX F This message displays the IGBT highest baseplate tem perature for 2 and 3 compressor units at the time of the fault 4 compressor units display temperatures for 1 3 T1...

Page 237: ...noid at the time of the fault The economizer status will be indicated as either ON or OFF System 1 Flash Tank Level and Feed Valve Open HISTORY KEY CON T SYS 1 FLASH TANK LEVEL XXX X FEED VALVE PERCENT OPEN XXX X This message displays the liquid level in the Flash Tank and indicates the the Flash Tank Feed Valve is open at the time of the fault System 1 Suction Superheat and Flash Tank Drain Valve...

Page 238: ...QUID COOLING MODE WATER COOLING SETPOINTS REMOTE SETPOINT XXX X F REMOTE CONTROL RANGE X X F This message displays the remote setpoint and control range at the time of the fault Maximum Remote Temperature Setpoint This message displays the maximum remote reset pro grammed at the time of the fault SETPOINTS MAXIMUM REMOTE TEMP RESET XXX X F OPTIONS Display Language This message displays the languag...

Page 239: ...Current Reset OPTIONS REMOTE CURRENT LIMIT INPUT 4 0 TO 20 0 MILLIAMPS OPTIONS REMOTE CURRENT LIMIT INPUT 0 0 TO 20 0 MILLIAMPS OPTIONS REMOTE CURRENT LIMIT INPUT 2 0 TO 10 0 VOLTS DC OPTIONS REMOTE CURRENT LIMIT INPUT 0 0 TO 10 0 VOLTS DC OPTIONS REMOTE CURRENT LIMIT INPUT DISABLED This message indicates whether remote current reset was active or disabled at the chiller keypad at the time of the ...

Page 240: ...t time programmed at the time of the fault Suction Superheat Setpoint PROGRAM SUCTION SUPERHEAT SETPOINT XXX X F This message indicates the suction superheat setpoint programmed at the time of the fault Unit ID Number PROGRAM REMOTE UNIT ID NUMBER X This indicates the unit ID programmed at the time of the fault Sound Limit Setpoint This indicates the sound limit setpoint programmed at the time of ...

Page 241: ...INT XXX X F Pressing the SETPOINTS key a second time or the ARROW key will display the leaving chilled liquid control range default and low high limits SETPOINTS DEF XXXXX LO XXXXX HI XXXXX LOCAL CONTROL RANGE X X F Pressing the SETPOINTS key or the ARROW key a third time will display the remote setpoint and cooling range This display automatically updates about every 2 seconds This remote setpoin...

Page 242: ...essed after the last value in the display to store the data into memory The ARROW key allows scrolling back through the setpoints displays The minimum maximum and default values allowed under the SETPOINTS key are provided in TABLE 16 below SETPOINTS KEY CON T TABLE 16 SETPOINT LIMITS PROGRAM VALUE MODE LOW LIMIT HIGH LIMIT DEFAULT Leaving Chilled Liquid Setpoint Water Cooling 40 0 F 60 0 F 44 0 F...

Page 243: ...ammable value HI The user programmable value is programmed on in the second line of the message When the PROGRAM Key is first pressed the fol lowing display will appear indicating the user is in the program mode Pressing the ENTER key again will display the first programmable selection Suction Pressure Cutout PROGRAM MODE XXXX PRESS ENTER KEY TO CONTINUE The suction pressure cutout is protects the...

Page 244: ...ault of 100 Pulldown Current Limit The pulldown current limit FLA is programmable This allows the micro to limit a system on pulldown limiting for the purpose of peak time energy savings Typically the limit point is set at 100 The pulldown limit point is programmable from 30 100 with a default of 100 Be aware when using pulldown mo tor current limit the chiller may not be able to load to satisfy t...

Page 245: ...sitive to noise during night time hours The sound limit display will only be present if the sound limit option is programmed at the factory Default Values Alisting of the low limits high limits and default values for each of the programmable values is noted in each display and can be found in TABLE 17 Note that the Imperial units are exact values while the Metric units are only approximate PROGRAM...

Page 246: ...n explanation of each option message is provided below Display Language Selection The display language can be selected for English Dutch German Italian and Chinese The default language will be English OPTIONS DISPLAY LANGUAGE XXXXXXXXXXXXXXXXXX OPTIONS CHILLED LIQUID COOLING MODE XXXXXXXXXXXXXXXXXX Chilled Liquid Cooling Mode Selection The Chilled liquid cooling mode can be selected for Water Cool...

Page 247: ...SI C Barg or Imperial units F PSIG OPTIONS DISPLAY UNITS IMPERIAL OPTIONS LEAD LAG CONTROL MODE AUTOMATIC OPTIONS DISPLAY UNITS SI OPTIONS LEAD LAG CONTROL MODE MANUAL SYS 1 LEAD The default mode is IMPERIAL OPTIONS LEAD LAG CONTROL MODE MANUAL SYS 2 LEAD System Lead Lag Control Mode Selection The operator may select the type of lead lag control desired In most cases automatic lead lag will be sel...

Page 248: ...splay will only appear if the remote temp limit option is enabled at the factory Remote Current Limit Input Selection Remote current limit from an external source may be tied directly into the chiller microprocessor board OPTIONS REMOTE CURRENT LIMIT INPUT XXXXXXXXXXXXXXXXXXXXX Selections may be made for DISABLED no signal 0 10VDC 2 10VDC 0 20ma and 4 20ma OPTIONS REMOTE CURRENT LIMIT INPUT DISABL...

Page 249: ...249 JOHNSON CONTROLS FORM 201 21 NM4 1020 249 JOHNSON CONTROLS 8 This Page intentionally left blank ...

Page 250: ...he or ARROW keys allows scrolling to the next programmed item Pressing the DOWN ARROW key scrolls to the next item that can be pro grammed and the UP ARROW key scrolls to the previous item The day of the week is the first display and can be changed by pressing either the or LEFT OR RIGHT ARROW key to select the day After the day is selected the ENTER key must be pressed to store the data Pressing ...

Page 251: ...r two 0 s must be keyed in for minutes 00 09 CLOCK FRI 18 JUN 2004 10 15 33 AM AM PM XX CLOCK FRI 18 JUN 2004 10 15 33 AM TIME FORMAT XXXXXXX CLOCK FRI 18 JUN 2004 10 15 33 AM MINUTE XX Pressing the DOWN ARROW key again scrolls to AM PM AM PM can be selected by pressing the or AR ROW keys After the meridian is selected the EN TER key must be pressed to store the data Pressing the DOWN ARROW key ag...

Page 252: ... AM STOP 10 00 PM The line under the 0 is the cursor If the start time is wrong it can be changed by keying in the new time from the numeric keypad Once the correct values for the START hour and minute are entered press the ENTER key The cursor will then move to the AM PM selection The meridian AM PM value may be changed by the LEFT ARROW or RIGHT ARROW keys and entered by pressing ENTER key Repea...

Page 253: ...w the Sound Limit Setpoint programmed under the PROGRAM key 0 will cause no speed reduction while 100 only allows running at minimum speed The STARTTime for a specific day hour and minute is entered using the same guidelines used for the start stop schedules and press the ENTER key to store it into memory The cursor will then move to the AM PM selection The AM PM selection may be chosen using the ...

Page 254: ...Daily Schedule is being ignored and the chiller will start when chilled liquid temperature allows Remote Contacts UNIT switch and SYSTEM switches permitting This is a pri ority message and cannot be overridden by anti recycle messages fault messages etc when in the STATUS display mode Therefore do not expect to see any other STATUS messages when in the MANUALOVERRIDE mode MANUAL OVERRIDE is to onl...

Page 255: ...cting the CANCEL PRINTING option The following message is displayed when the PRINT key is pressed PRINT CHOOSE PRINT REPORT XXXXXXXXXXXXXXXXXXXXX After pressing the PRINT key the printout type is select ed by pressing the LEFT ARROW or RIGHT ARROW keys until the desired printout is displayed TABLE 18 shows the available printout types TABLE 18 PRINTOUT TYPES PRINTOUT TYPES Operating Data Default S...

Page 256: ...N EVAPORATOR PUMP RUN O N EVAPORATOR HEATER O F F ACTIVE REMOTE CONTROL N O N E O P E R A T I N G H O U R S 1 X X X X X 2 X X X X X 3 XXXXX 3 circuit 3 XXXXX 4 XXXXX START COUNTER 1 XXXXX 2 XXXXX 3 XXXXX 3 circuit 3 XXXXX 4 XXXXX 4 circuit SOFTWARE VERSION C A C S X X 0 0 VSD DATA ACTUAL FREQUENCY X X X X H Z COMMAND FREQUENCY X X X X H Z DC BUS VOLTAGE X X X V D C 2 circuit 3 circuit DC BUS VOLTA...

Page 257: ...0AM HISTORY DATA PRINTOUT History printouts when selected provide stored data relating to all specific system and chiller operating conditions at the time of the fault regardless of whether a lockout occurred History information is stored in battery backed memory on the Chiller Control Board and is not affected by power failures or resetting of faults Whenever a fault of any type occurs all system...

Page 258: ...UE Pressing the ENTER key allows view only Service Mode operation All control board I O will be view able in this mode No outputs can be changed For troubleshooting or start up commissioning purposes the Chiller Micro Board and some VSD outputs can be toggled or changed by turning off the UNIT SWITCH pressing the SERVICE Key entering password 9675 and pressing the ENTER key Once the password is en...

Page 259: ... voltage input This will cause the voltage read on the display to be less than the voltage on the board header inputs between TB1 17 and 18 TB1 19 and 20 or TB1 40 and 41 To correct for this when measuring voltage at the remote device supplying voltage to the board header when trouble shooting use the following calculation Voltage 10 x ADC volts 4 5 If the input is programmed for a current input t...

Page 260: ...S2 DISCHARGE TEMP X X VDC XXX X F SERVICE AI J22 20 SYS2 SUCTION PRESS X X VDC XXX X PSIG SERVICE AI J22 22 SYS2 OIL PRESS X X VDC XXX X PSIG SERVICE AI J22 24 SYS2 DISCHARGE PRESS X X VDC XXX X PSIG SERVICE AI J23 3 SYS3 OIL TEMP X X VDC XXX X F SERVICE AI J23 6 SYS3 FL TANK LEVEL X X VDC XXX X SERVICE AI J23 13 SYS3 SUCTION TEMP X X VDC XXX X F SERVICE AI J23 16 SYS3 DISCHARGE TEMP X X VDC XXX X...

Page 261: ... RUN PERM STATUS XXX SERVICE DI J6 6 SPARE DIGITAL INPUT 1 STATUS XXX SERVICE DI J7 2 CONFIG INPUT 0 STATUS XXX SERVICE DI J7 4 CONFIG INPUT 1 STATUS XXX SERVICE DI J7 6 CONFIG INPUT 2 STATUS XXX SERVICE DI J7 8 CONFIG INPUT 3 STATUS XXX SERVICE DI J7 10 CONFIG SPARE INPUT 0 STATUS XXX SERVICE DI J7 12 CONFIG SPARE INPUT 1 STATUS XXX SERVICE DO J9 1 EVAP HEATER RB1 TB1 20 STATUS XXX SERVICE DO J9 ...

Page 262: ... COND FAN OUT 1 RB1 TB1 6 STATUS XXX SERVICE DO J11 9 SYS 3 COND FAN OUT 2 RB1 TB1 5 STATUS XXX SERVICE DO J11 10 SYS 3 COND FAN OUT 3 RB1 TB1 4 STATUS XXX SERVICE DO J11 11 SYS 3 COMP HEATER RB1 TB1 3 STATUS XXX SERVICE DO J11 12 SYS 3 ECON SOL VALVE RB1 TB1 2 STATUS XXX The fifth data section displays the Analog Outputs AO that can be viewed from the Service Mode The Analog Output signals are ty...

Page 263: ...E OUT XXX X XX X VDC SERVICE AO J25 1 SYS 1 SPARE XXX X XX X VDC SERVICE AO J25 2 SYS 2 SPARE XXX X XX X VDC SERVICE AO J25 3 SYS 3 SPARE XXX X XX X VDC SERVICE AO J25 4 SYS 4 SPARE XXX X XX X VDC The sixth data section displays the VSD digital outputs DO that can be viewed from the service mode The Digital Output signals indicate the status of the output The 0 120VAC digital outputs are reference...

Page 264: ...stem 1 2 3 or 4 SYSTEM SWITCHES SYS 1 ON OFF RESET XXXXXXXXXXXXXXX SYSTEM SWITCHES SYS 2 ON OFF RESET XXXXXXXXXXXXXXX SYSTEM SWITCHES SYS 3 ON OFF RESET XXXXXXXXXXXXXXX SYSTEM SWITCHES SYS 4 ON OFF RESET XXXXXXXXXXXXXXX The LEFTARROW or RIGHTARROW keys allow scrolling through the choices of SYSTEM OFF default SYSTEM ON RESET LOCKOUT The switch selection is accepted into memory by press ing the ENT...

Page 265: ... to supply Factory Technical Support with the version of the Chiller Control Board EPROM The version will be written on the EPROM label and typically will be in the format Version C ACS XX XX After obtaining the password the following steps will need to be followed to input the serial number As the serial number is input the characters keyed in will ap pear in the display indicating the panel has ...

Page 266: ...ll appear SERIAL NUMBER PROGRAMMING CON T At this point the letters entered for theYYYYand XXX inputs should now appear in the top line of the display and should match the first 7 characters of the serial number on the unit Data Plate The next three digits of the serial number should now be keyed in Press the ENTER key to store the input The full serial number should now be displayed across the to...

Page 267: ...playing the following STATUS message If the message above appears immediately contact YORK Product Technical Support or YORK ES Com mercial for a password to enable the High IPLV mode You will need to provide YORK Product Technical Support or YORK ES Commercial with the Unit Serial Number located on the chiller nameplate The date and time will also need to be current on the chiller and will need t...

Page 268: ...d Remote Inputs Service Time 5 Min 60 Min 15 Min Sys 1 Motor Sensor to Ignore See Below None Sys 2 Motor Sensor to Ignore See Below None Sys 3 Motor Sensor to Ignore See Below None Sys 4 Motor Sensor to Ignore See Below None The following messages will be displayed for the Unit Setup Mode in the order they appear The first group of displays relates to setup parameters that relate to unit configura...

Page 269: ...TE CURRENT LIMIT OPTION XXXXXXXXXXXXXXXXXXXXXXXX SETUP MODE SOUND LIMIT OPTION XXXXXXXXXXXXXXXXXXXXXXXX The following setup OPTION display is selectable as ENABLED or DISABLED using the and AR ROW keys SETUP MODE DEF XXXXX LO XXXXX HI XXXXX REMOTE INPUTS SERVICE TIME XX MIN The following OPTION displays are selectable as EN ABLED or DISABLED using the and ARROW keys The choices are NONE default TE...

Page 270: ...g pa rameters to their default values YES or NO may be selected for XXX using the and ARROW keys to change the selection Following is a list of the operating parameters that will be reset to their default values Suction Pressure Cutout 24 0 PSIG Low Ambient Air Temp Cutout 25 F Leaving Chilled Liquid Temp Cutout 36 F High Motor Current Limit 100 Pulldown Current Limit 100 Pulldown Current Limit Ti...

Page 271: ... chiller control panel TABLE 20 SERIAL PORT CONNECTIONS BOARD HEADER PORT TYPE PORT USE Chiller Control Board TB1 TB2 RS 232 RS 485 Printer RCC and ISN Chiller Control Board J2 J1 RS 485 Control Panel VSD 1 2 VSD Logic Board J12 Opto Coupled RS 485 VSD Control Panel TB2 allows connecting to a remote OptiView RCC or Microgateway The OptiView RCC option is not yet available The OptiView RCC and Micr...

Page 272: ...otor Temperature 1 Chiller Control Board J19 2 Comp 1 Motor Temperature 2 Chiller Control Board J19 3 Comp 1 Motor Temperature 3 Chiller Control Board J19 6 Comp 2 Motor Temperature 1 Chiller Control Board J19 7 Comp 2 Motor Temperature 2 Chiller Control Board J19 8 Comp 2 Motor Temperature 3 Chiller Control Board J21 13 Sys 1 Suction Temperature Chiller Control Board J21 3 Sys 1 Oil Temperature C...

Page 273: ...rrent VSD Logic Board J1 5 to J1 6 Comp 1 Phase C Motor Current VSD Logic Board J1 13 to J1 14 Comp 3 Phase A Motor Current VSD Logic Board J1 15 to J1 16 Comp 3 Phase B Motor Current VSD Logic Board J1 17 to J1 18 Comp 3 Phase C Motor Current VSD Logic Board J2 1 to J2 2 Comp 2 Phase A Motor Current VSD Logic Board J2 3 to J2 4 Comp 2 Phase B Motor Current VSD Logic Board J2 5 to J2 6 Comp 2 Phas...

Page 274: ...10 2 Compressor Select VSD Logic Board J1 11 3 Compressor Select VSD Logic Board J1 12 4 Compressor Select VSD Logic Board J5 1 to J5 2 VSD Logic Board J5 3 to J5 4 VSD Logic Board J6 2 Comp 1 Phase A Gate Driver Fault VSD Logic Board J6 5 Comp 1 Phase C Gate Driver Fault VSD Logic Board J6 12 Comp 1 Phase B Gate Driver Fault VSD Logic Board J7 2 Comp 3 Phase A Gate Driver Fault VSD Logic Board J7...

Page 275: ...ON T BOARD HEADER ANALOG OUTPUT VSD Logic Board J11 2 Phase Loss Fault 1 VSD Logic Board J11 6 Phase Loss Fault 2 VSD Logic Board SW1 Test Pushbutton VSD Logic Board J10 5 to J10 6 Comp 1 3 Run from control panel VSD Logic Board J10 7 to J10 8 Comp 2 4 from control panel DIGITAL INPUT CONNECTIONS CON T ...

Page 276: ...lve Chiller Control Board J15 5 to J15 6 Sys 2 flash Tank Feed Valve Chiller Control Board J15 7 to J15 8 Sys 2 Flash Tank Drain Valve Chiller Control Board J14 1 to J14 6 Sys 3 Flash Tank Feed Valve Chiller Control Board J14 2 to J14 7 Sys 3 Flash Tank Drain Valve Chiller Control Board J14 3 to J14 8 Sys 4 Flash Tank Feed Valve Chiller Control Board J14 4 to J14 9 Sys 4 Flash Tank Feed Valve Chil...

Page 277: ...277 JOHNSON CONTROLS FORM 201 21 NM4 1020 277 JOHNSON CONTROLS 8 This page intentionally left blank ...

Page 278: ...ter 2 Chiller Control Relay Board 1 J9 5 TB1 12 and 11 Sys 1 SPARE Chiller Control Relay Board 1 J9 6 TB1 10 and 9 SPARE Chiller Control Relay Board 1 J9 7 TB1 8 and 7 SPARE Chiller Control Relay Board 1 J9 8 TB1 6 Sys 1 Condensor Fans Output 1 Chiller Control Relay Board 1 J9 9 TB1 5 Sys 1 Condensor Fans Output 2 Chiller Control Relay Board 1 J9 10 TB1 4 Sys 1 Condensor Fans Output 3 Chiller Cont...

Page 279: ...nal VSD Logic Board J7 4 Comp 3 Phase C IGBT Gating Signal VSD Logic Board J7 10 Comp 3 Phase A IGBT Gating Signal VSD Logic Board J7 11 Comp 3 Phase B IGBT Gating Signal VSD Logic Board J7 13 Comp 3 Phase C IGBT Gating Signal VSD Logic Board J7 14 Comp 3 Enable VSD Logic Board J8 1 Comp 2 Phase A IGBT Gating Signal VSD Logic Board J8 3 Comp 2 Phase B IGBT Gating Signal VSD Logic Board J8 4 Comp 2...

Page 280: ...tion of feature 54 data ISN com munications with a 3 or 4 compressor chiller involves 2 sections of feature 54 to get all the data Control pa rameters from the ISN as well system 1 2 and unit data are handled in the first section The second section will not be able to do any control but only receive system 3 and 4 if applicable data Received Data Control Data The chiller control panel receives 8 d...

Page 281: ... 83 Analog Sys 2 Discharge Pressure P30 84 87 Analog Sys 2 Compressor Full Load Amps P31 88 91 Analog Sys 2 Total Run Hours P32 92 95 Analog Sys 2 Total Number of Starts P33 96 99 Analog VSD Output Frequency P34 100 103 Analog Sys 1 Flash Tank Feed Valve Open P35 104 107 Analog Sys 2 Flash Tank Feed Valve Open P36 108 Digital Chiller Run P37 109 Digital Chiller Alarm P38 110 Digital Evaporator Hea...

Page 282: ...nk Level P63 135 Coded Sys 2 Condensor Fan Stage 0 6 P64 136 Coded Lead System Number P65 137 Coded Sys 1 2 Debug Code P66 138 141 Analog Local Leaving Chilled Liquid Setpoint P67 142 145 Analog Low Leaving Chilled Liquid Temp Cutout P68 146 149 Analog Sys 1 Flash Tank Drain Valve Open P69 150 153 Analog Sys 2 Flash Tank Drain Valve Open P70 154 157 Analog Low Suction Pressure Cutout P71 158 161 A...

Page 283: ... Total Number of Starts P24 60 63 Analog Sys 3 Highest Motor Temp P25 64 67 Analog Sys 4 Highest Motor Temp P26 68 71 Analog Sys 4 Oil Temp P27 72 75 Analog Sys 4 Oil Pressure P28 76 79 Analog Sys 4 Suction Pressure P29 80 83 Analog Sys 4 Discharge Pressure P30 84 87 Analog Sys 4 Compressor Full Load Amps P31 88 91 Analog Sys 4 Total Run Hours P32 92 95 Analog Sys 4 Total Number of Starts P33 96 9...

Page 284: ... 0 6 P62 134 Coded Sys 4 Flash Tank Level P63 135 Coded Sys 4 Condensor Fan Stage 0 6 P64 136 Coded P65 137 Coded Sys 3 4 Debug Code P66 138 141 Analog P67 142 145 Analog P68 146 149 Analog Sys 3 Flash Tank Drain Valve Open P69 150 153 Analog Sys 4 Flash Tank Drain Valve Open P70 154 157 Analog P71 158 161 Analog VSD DC Bus Voltage 2 P72 162 165 Analog P73 166 169 Analog Sys 3 Discharge Superheat ...

Page 285: ...munications Failure 8 Unit VSD Pre charge Low DC Bus Voltage 9 Unit VSD Pre charge DC Bus Voltage Imbalance 10 Unit VSD High DC Bus Voltage 11 Unit VSD Low DC Bus Voltage 12 Unit VSD DC Bus Voltage Imbalance 13 Unit VSD High VSD Ambient Temp 14 Unit VSD Single Phase Input 15 Unit VSD VSD Power Supply Fault 16 Unit VSD VSD Logic Board Fault 17 Unit VSD Motor Current Overload Hardware 18 Unit VSD CT...

Page 286: ...e 42 System VSD High Motor Current 43 System VSD Motor Current Overload Software 44 System VSD IGBT Gate Driver Fault 45 System VSD High Baseplate Temp 46 System VSD Single Phase Input 47 System VSD VSD Run Signal Fault 48 System Panel High Discharge Press Hardware HPCO 49 System Panel High Flash Tank Level 50 System Panel Control Voltage Fault 51 System Panel Low Discharge Superheat 52 System SPA...

Page 287: ...anel VSD Cooling Shutdown 70 Unit SPARE 1 71 Unit SPARE 2 72 Unit SPARE 3 73 Unit SPARE 4 74 System Panel No Run Permissive 75 System Panel Anti Recycle Timer Active 76 System Panel System Switch OFF 77 System Panel System Not Running 78 System Panel System Running 79 System Panel Discharge Pressure Limiting 80 System Panel Suction Pressure Limiting 81 System Panel Motor Current Limiting 82 System...

Page 288: ...0 0 115 6 295 0 158 7 30 0 34 6 165 0 117 6 300 0 160 0 35 0 40 0 170 0 119 6 305 0 161 3 40 0 45 0 175 0 131 5 310 0 162 5 45 0 49 6 180 0 123 3 315 0 163 8 50 0 54 0 185 0 125 2 320 0 165 0 55 0 58 1 190 0 126 9 325 0 166 2 60 0 62 0 195 0 128 7 330 0 167 4 65 0 65 7 200 0 130 4 335 0 168 6 70 0 69 2 205 0 132 1 340 0 169 8 75 0 72 6 210 0 133 8 345 0 171 0 80 0 75 9 215 0 135 5 350 0 172 1 85 0...

Page 289: ...petent and equipped to do so If in any doubt contact your local YORK Service Agent Unit Status Press the STATUS key on the keypad and ensure no fault messages are displayed Refrigerant Leaks Visually check the heat exchangers compressors and pipework for damage and gas leaks Operating Conditions Read the operating pressures and temperatures at the control panel using the display keys and check tha...

Page 290: ...nsor Coils for dirt debris and clean as necessary X Check Programmable Operating Setpoints and Safety Cutouts Assure they are correct for the application X Check Compressor and Evaporator Heater operation X Check for dirt in the Panel Check Door Gasket sealing integrity X Check Superheat on the Evaporator and the Economizer feed to the Compressor X Check Condensor Subcooling X Leak check the Chill...

Page 291: ... may be a problem X VSD Glycol Change X MAINTENANCE REQUIREMENTS FOR YCAV CHILLERS CON T Reserved for customer use for any special site requirements This procedure must be performed at the specific time by an industry certified technician who has been trained and qualified to work on this type of equipment Arecord of this procedure be successfully carried out should be maintained on file by the eq...

Page 292: ... panel against the thermometer reading of ambient temperature Chiller Fault HIGH AMBIENT TEMPERATURE Ambient Temperature is above the maximum operating limit Check outside air temperature Ambient Sensor is defective Check the Panel Display against Thermometer reading of Ambient Temperature at the sensor Chiller Fault LOW LEAVING CHILLED LIQUID Leaving chilled liquid temperature drops faster than t...

Page 293: ...Check subcooling High Superheat Drain Feed Valves NOT controlling Isolate cause Motor Sensor reading incorrectly Program panel to ignore a single sensor Economizer Solenoid energized at low speeds Valve is leaking through System Fault LOW SUCTION PRESSURE Low charge Check subcooling Transducer reads incorrectly Check transducer against a guage Suction Temp Sensor reads incorrectly Check sensor aga...

Page 294: ...urrent has activated current limiting Ambient temperature is high normal response from controller Remote or panel limiting is in effect Normal response Excess charge in system adjust charge Condensor coils dirty Clean condensor Fans NOT operating Check fans VSD Fault High Baseplate Temperature Coolant level low Add coolant Glycol Pump is defective Replace Glycol Pump VSD Board is defective Replace...

Page 295: ... following costs and expenses 1 Labor to remove or reinstall any equipment mate rials or components 2 Shipping handling or transportation charges 3 Cost of refrigerant No warranty repairs or replacements will be made until payment for all equipment materials or components has been received by YORK ALL WARRANTIES AND GUARANTEES ARE VOID IF 1 Equipment is used with refrigerants oil or antifreeze age...

Page 296: ...4 42 1 2 40 62 5 3 07 23 3 1 76 42 7 2 42 63 2 3 09 23 9 1 78 43 3 2 44 63 8 3 11 24 5 1 80 43 9 2 46 64 5 3 13 25 0 1 82 44 4 2 48 65 1 3 14 25 6 1 84 45 0 2 50 65 8 3 16 26 2 1 86 45 6 2 52 66 5 3 18 26 8 1 88 46 2 2 54 67 1 3 20 27 3 1 90 46 7 2 56 67 8 3 22 27 9 1 91 47 3 2 58 68 5 3 24 28 5 1 93 47 9 2 60 69 2 3 26 29 0 1 95 48 5 2 62 69 9 3 28 29 6 1 97 49 1 2 64 70 6 3 30 30 2 1 99 49 7 2 6...

Page 297: ...20 0 1 12 63 5 2 44 112 3 3 75 21 2 1 15 64 4 2 47 113 8 3 78 22 3 1 18 65 3 2 50 115 2 3 81 23 4 1 21 66 3 2 52 116 7 3 84 24 4 1 24 67 2 2 55 118 3 3 87 25 5 1 26 68 1 2 58 119 9 3 90 26 6 1 26 69 1 2 61 121 5 3 93 27 6 1 32 70 0 2 64 123 2 3 96 28 7 1 35 70 9 2 67 124 9 3 98 29 7 1 38 71 9 2 70 126 6 4 01 30 7 1 41 72 8 2 73 128 4 4 04 31 7 1 44 73 8 2 76 130 3 4 07 32 7 1 47 74 8 2 76 33 7 1 5...

Page 298: ...46 30 0 94 170 2 97 35 1 62 35 1 01 175 3 05 40 1 78 40 1 08 180 3 12 45 1 94 45 1 15 185 3 19 50 2 10 50 1 23 190 3 26 55 2 26 55 1 30 195 3 34 60 2 42 60 1 37 200 3 41 65 2 58 65 1 45 205 3 48 70 2 74 70 1 52 210 3 55 75 2 90 75 1 59 215 3 63 80 3 06 80 1 66 220 3 70 85 3 22 85 1 74 225 3 77 90 3 38 90 1 81 230 3 85 95 3 54 95 1 88 235 3 92 100 3 70 100 1 95 240 3 99 105 3 86 105 2 03 245 4 06 1...

Page 299: ...4 6 707 40 5 326 3 00 5 166 5 485 45 4 368 3 25 4 226 4 510 50 3 602 3 50 3 476 3 728 55 2 986 3 75 2 874 3 098 60 2 488 4 00 2 389 2 588 65 2 083 4 25 1 995 2 172 70 1 753 4 50 1 674 1 832 75 1 481 4 75 1 411 1 551 80 1 257 5 00 1 194 1 321 85 1 071 5 20 1 016 1 127 90 916 9 5 40 867 4 966 4 95 787 7 5 60 743 6 831 9 100 679 3 5 80 639 9 718 7 105 587 9 6 00 552 6 623 2 110 510 6 6 20 479 9 542 3...

Page 300: ...6 YCAV1139SA PA 400 218 218 241 188 YCAV1169EA VA 400 225 225 210 192 YCAV1309EA VA 400 265 265 209 192 YCAV1309SA PA 400 238 238 282 200 YCAV1429SA PA 400 280 280 280 200 4 Comp Chiller Models with Standard PIN 52 X Fans Chiller Model 4 Comp w STD FANS Chiller Name plate Voltage VAC Compressor 1 Overload Setting Amps Compressor 2 Overload Setting Amps Compressor 3 Overload Setting Amps Compressor...

Page 301: ...use the printer manual for the respective printer for set up and wiring Data from the chiller is transmitted at 1200 baud Wir ing diagrams for cables are shown below OKIDATA MICROLINE 184 25 pin RS 232 DB 25P 25 pin RS 232 DB 25P TB1 Chiller Control Board 11 CTS RD GND DSR RS 232 TXD GND TB1 2 TB1 3 TB1 5 3 7 SEIKO DPU 414 9 pin RS 232 DB 9 TB1 Chiller Control Board 8 CTS RD GND DSR TXD GND TB1 2 ...

Page 302: ... Test select 1 6 on Print mode 1 7 off SDD pin 11 1 8 on SDD pin 11 2 1 on 1200 baud 2 2 on 1200 baud 2 3 off 1200 baud 2 4 off DSR active 2 5 on Buffer threshold 32 bytes 2 6 on Busy signal 200ms 2 7 on DTR space after power on 2 8 not used With SUPER SPEED Serial Board SW1 off Low when busy 2 off 1200 baud 3 off 1200 baud 4 on 1200 baud 5 not used 6 off no parity 7 off Pin 20 pin 11 act as busy ...

Page 303: ...COMPRESSOR 2 MODEL COMPRESSOR 3 MODEL COMPRESSOR 4 MODEL SERIAL PROGRAMMED VALUES CHILLED LIQUID SETPOINT Setpoint ºF ºC Range ºF ºC Display Language Chilled Liquid Mode Local Remote Mode Display Units Lead Lag Control Remote Temperature Reset Remote Current Reset PROGRAMMED CUTOUTS Suction Pressure Cutout PSIG kPa Low Ambient Cutout ºF ºC Leaving Chilled Liquid Temp Cutout ºF ºC High Motor Curren...

Page 304: ...TUS ON OFF VSD IGBT BASEPLATE TEMPS T1 ºF ºC T2 ºF ºC SYSTEM OPERATING TEMPERATURES PRESSURES CURRENTS SYSTEM PRESSURES SYS 1 SYS 2 SYS 3 SYS 4 Oil PSIG kPa Suction PSIG kPa Discharge PSIG kPa SYSTEM TEMPERATURES SYS 1 SYS 2 SYS 3 SYS 4 Oil ºF ºC Suction ºF ºC Discharge ºF ºC Sat Suction ºF ºC Sat Superht ºF ºC Sat Discharge ºF ºC Dsch Superht ºF ºC MOTOR TEMPERATURES SYS 1 SYS 2 SYS 3 SYS 4 T1 ºF...

Page 305: ...1 SYS 2 SYS 3 SYS 4 Fan Stage COMPRESSOR HEATER ON OFF SYS 1 SYS 2 SYS 3 SYS 4 Comp Heater SYSTEM RUN TIME Days Hours Mins Sec System 1 System 2 System 3 System 4 SYSTEM STARTS STARTS SYSTEM 1 SYSTEM 2 SYSTEM 3 SYSTEM 4 OIL SEPARATOR LEVEL Check Oil Separator Oil Levels SYS 1 SYS 2 Separator 1 2 3 4 Oil Level Top Glass Oil Level Bot Glass SYS 3 SYS 4 Separator 1 2 3 4 Oil Level Top Glass Oil Level...

Page 306: ...306 JOHNSON CONTROLS MAINTENANCE WATER SYSTEM CONDITIONS EVAPORATOR FLOW Flow Rate GPM Evap Pressure Drop FT LBS Circle One Glycol Freeze Point ºF ºC CONDENSOR CONDITIONS AIR TEMPERATURE Air ON Temperature ºF ºC Air OFF Temperature ºF ºC NOTES ...

Page 307: ...450 000 Oil Compressor Type L R 134a 011 00592 000 VSD Logic Board ALL 031 02477 000 EPROM U36 ALL 031 02521 001 EPROM U39 ALL 031 02522 001 Sensor Outside Air Temperature ALL 025 28663 001 Transducer Pressure 0 275 psig ALL 025 29139 003 High Pressure Cutout 297 psig ALL 025 39456 000 Transducer Suction Pressure 0 125 psig ALL 025 29583 001 Sensor EWT LWT ALL 025 40334 000 Relay Output Board ALL ...

Page 308: ...308 JOHNSON CONTROLS FORM 201 21 NM4 1020 308 JOHNSON CONTROLS MAINTENANCE NOTES ...

Page 309: ...309 JOHNSON CONTROLS FORM 201 21 NM4 1020 309 JOHNSON CONTROLS 9 NOTES ...

Page 310: ...Pennsylvania 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 201 21 NM4 1020 Issue Date October 2 2020 Supersedes 201 21 NM4 616 ...

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