York YST Operation Manual Download Page 13

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JOHNSON CONTROLS

SECTION 1- DESCRIPTION OF SYSTEM AND FUNDAMENTALS OF OPERATION

FORM 160.67-O1

ISSUE DATE: 4/1/2015

figure 4 -

STEAM AND CONDENSATE FLOW

STeaM and CondenSaTe floW diagraM

STEAM

CONDENSER

TURBINE

EXHAUST

GOVERNOR

VALVE

TRIP

VALVE

SPOOL

PIECE

NOZZLE
VALVES

HOTWELL

CONDENSATE

PUMP

HOTWELL

OVERBOARD

VALVE

RECIRCULATION

VALVE

NON-CONDENSIBLE

OUTLET (TO

VACUUM PUMP)

HIGH PRESSURE

STEAM INLET

LEGEND

LOW PRESSURE STEAM

HIGH PRESSURE STEAM

DRY AND SATURATED

CONDENSATE

CONDENSATE LIQUID

SATURATED AIR

Summary of Contents for YST

Page 1: ...m Turbine Drive Centrifugal Liquid Chiller With OptiviewTM Control Center Design Level F and G Steam Turbine Centrifugal Liquid Chillers Operations Manual Supersedes 160 67 O1 114 Form 160 67 O1 415 I...

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

Page 3: ...nuals if applicable can be obtained by contacting the nearest Johnson Controls Service office or accessing the John son Controls QuickLIT website at http cgproducts johnsoncontrols com It is the respo...

Page 4: ...ber denotes the following characteristics of the unit YST VF VD J4 KD71750090 14 0 6 33192C F S Chiller Model Special Mandatory Evaporator Code Design Level Condenser Code Steam Condenser Model Compre...

Page 5: ...VGD Screen 39 VGD Hold Manual 40 Variable Geometry Diffuser Setpoints Screen 41 Steam System Screen Manual Start 43 Steam System Screen Auto Start 46 Turbine Screen 49 Condensate Screen 52 Vacuum Scr...

Page 6: ...umbers List For Use With Trend Feature 129 Display Messages 131 Status Messages 131 Soft Shutdown Message 132 Start Inhibit Message 133 Warning Messages 133 Turbine Excessive Vibration Warning Message...

Page 7: ...de 60 Figure 23 PID Setup Screen 1 64 Figure 24 PID Setup Screen 2 67 Figure 25 Auto Manual Screen 70 Figure 26 Capacity Control Setpoints Screen 1 74 Figure 27 Capacity Control Setpoints Screen 2 77...

Page 8: ...6 Sample Printout Setpoints 156 Figure 57 Sample Printout Sales Order 158 Figure 58 Sample Printout History 159 Figure 59 Sample Printout Security Log Report 161 Figure 60 Sample Printout Trend Data N...

Page 9: ...ete the chilled liquid circuit SECTION 1 DESCRIPTION OF SYSTEM AND FUNDAMENTALS OF OPERATION General System Description The YORK Model YST Chiller is commonly applied to large air conditioning systems...

Page 10: ...frigerant Flow Thru Refrigerant Flow Diagram LEGEND HIGH PRESSURE VAPOR HIGH PRESSURE LIQUID REFIGERANT LOW PRESSURE LIQUID REFIGERANT LOW PRESSURE VAPOR EVAPORATOR REFRIGERANT DRAIN AND CHARGING CONN...

Page 11: ...er full load capacity for only a relatively small part of the time the unit is in operation Capacity Controls During part load operation at off design conditions the chiller capacity is reduced to mai...

Page 12: ...roduce the required mechanical energy for a given load The turbine exhaust steam enters the steam con denser through the steam inlet connection on the top of the condenser and is distributed longitudi...

Page 13: ...team And Condensate Flow Diagram STEAM CONDENSER TURBINE EXHAUST GOVERNOR VALVE TRIP VALVE SPOOL PIECE NOZZLE VALVES HOTWELL CONDENSATE PUMP HOTWELL OVERBOARD VALVE RECIRCULATION VALVE NON CONDENSIBLE...

Page 14: ...JOHNSON CONTROLS 14 FORM 160 67 O1 ISSUE DATE 4 1 2015 SECTION 1 DESCRIPTION OF SYSTEM AND FUNDAMENTALS OF OPERATION This page intentionally left blank...

Page 15: ...rvice Technician They are shown in this book for reference only The control center is also fused to provide individual overcurrent protected 115 VAC power for the remote mounted liquid pump motor star...

Page 16: ...ion rocker switch When toggled all the way to the right it is considered in the STOP RESET position When in the middle position this is considered the RUN state When toggled to the left most position...

Page 17: ...Access Level of VIEW This will allow the user to navigate to most screens and observe the val ues displayed there However the user will not be al lowed to change any values To change any values the u...

Page 18: ...creens have been designed to describe the chiller operation In order to move from one screen to the next navigation keys have been de fined These keys allow the user to either move for ward to a sub s...

Page 19: ...6 KPAG Evaporator Pressure R134a 5 5 77 4 PSIG 37 9 533 7 KPAG Evaporator Temperature R22 water 13 0 67 0 F 10 5 19 4 C Evaporator Temperature R22 brine 18 0 51 4 F 27 7 10 7 C Evaporator Temperature...

Page 20: ...0 0 2 0 In Sec 0 0 50 8 MM Sec Turbine Supply Oil Pressure 0 0 30 0 PSIG 0 0 206 8 kPaG Turbine Inlet Steam Pressure 0 0 300 0 PSIG 0 0 2068 5 kPaG Compressor Vertical Vibration Optional 0 0 2 0 In Se...

Page 21: ...perature of the liquid as it leaves the condenser Condenser Liquid Temperature Return Displays the temperature of the liquid as it enters the condenser Operating Hours Displays the cummulative operati...

Page 22: ...at the time the key is pressed The History page provides enhanced report ing capability See HISTORY below Message Clear Access Level Required SERVICE When certain safety or cycling conditions have be...

Page 23: ...rol switch must be placed in the Stop Reset position O and then the Start posi tion Navigation System Used to provide additional refrigeration system infor mation Evaporator A detailed view of all eva...

Page 24: ...ters the evaporator Chilled Liquid Temperature Setpoint Displays the active temperature setpoint to which the chiller is controlling the evaporator liquid This value could come from a 0 20mA 4 20mA 0...

Page 25: ...alue includes offset pressure derived from auto zeroing during the system prelube If either of the transducers used to calculate this differential is out of range the display field will show XX X Turb...

Page 26: ...aporator Evaporator Saturation Temperature Displays the present saturation temperature in the evaporator Return Chilled Liquid Temperature Displays the temperature of the liquid as it enters the evapo...

Page 27: ...Base Leav ing Chilled Liquid Temperature setpoint This offset may be defined up to 10 0 F or 20 0 F above the Base setpoint see the Remote Leaving Chilled Liquid Tem perature Setpoint Range descripti...

Page 28: ...Required SERVICE This value is only available if the chiller is not in Brine mode It allows the user to enable the Smart Freeze Point Operation which allows the chiller to run closer to the freeze po...

Page 29: ...SE3 Condenser Flow Sensor Enable is set for En abled on Configuration Screen 2 Condenser Saturation Temperature Displays the saturation temperature in the condenser Small Temperature Difference Displa...

Page 30: ...ol Service Technicians refer to YORK Service Manual 160 67 M3 for additional information on the operation of this control Subcooler Zone Time Remaining This is only displayed when the chiller is runnn...

Page 31: ...ffset pressure derived from auto zeroing during the system prelube If either of the transducers used to calculate this differential is out of range the display field will show XX X The offset pressure...

Page 32: ...It is measured by an Accelerometer installed at approxi mately 45 from the vertical center on the right side of the Rotor Support when facing the shaft end of the Compressor The Accelerometer signal...

Page 33: ...ion vanes Oil Sump A detailed view of all the oil pump and oil sump pa rameters This includes the Variable Speed Oil Pump when installed It also controls the Seal Lubrication functionality VGD Access...

Page 34: ...ar and the proximity probe that is used to measure the position High Speed Thrust Bearing Proximity Reference Position Displays the presently defined offset reference posi tion This value is defined a...

Page 35: ...s available after the calibra tion sequence is complete Fault Acknowledge This option is only displayed if a fault is present Al lows clearing of High Speed Thrust Bearing related shutdowns Navigation...

Page 36: ...Display Only Pre Rotation Vanes Opening LED Indicates the vanes are opening Pre Rotation Vanes Closing LED Indicates the vanes are closing Calibration in Progress LED Indicates the calibration sequen...

Page 37: ...essure derived from auto zeroing during the system prelube Refer to expla nation of auto zeroing under the Compressor screen If either of the transducers used to calculate this differen tial is out of...

Page 38: ...n trol to a defined Oil Pressure value This key allows the user to define the setpoint for the VSOP control Control Period Variable Speed Oil Pump Only Access Level Required SERVICE By default the aut...

Page 39: ...inates when a close signal is being applied to the VGD Diffuser Gap Open LED Illuminates when an open signal is being applied to the VGD VGD Count Displays the number of times the Stall Detector Board...

Page 40: ...nual Access Level Required SERVICE This key puts the VGD in manual mode and sends a close command to the VGD VGD Hold Manual Access Level Required SERVICE This key puts the VGD in manual mode and send...

Page 41: ...Service Technician Diffuser Gap Close LED Illuminates when a close signal is being applied to the VGD Diffuser Gap Open LED Illuminates when an open signal is being applied to the VGD VGD Count Displ...

Page 42: ...the Stall Detec tor Board output voltage that represents an acceptable amount of stall noise Extreme Stall Duration 1 20 Min default 10 If the Stall Detector Volt age exceeds twice the High Limit for...

Page 43: ...sed by two magnetic pickups that monitor a toothed gear installed on the turbine shaft The pickup signals are converted to 4 20 mA sig nals by frequency to analog converters in the Turbine Box and con...

Page 44: ...osed and the valve is open Nozzle 1 Solenoid LED Illuminates when the Turbine Nozzle Valve 1 Air Dump Solenoid Valve is energized to open that turbine nozzle valve This object only appears if MSSP16 T...

Page 45: ...eases to the SSP3 Fixed Speed setpoint shown on the Speed Setpoints Screen at the RRSP4 Minimum Rated Speed Ramp Rate shown on the Ramp Rate Setpoints Screen This causes the output signal to the gover...

Page 46: ...ected to the Analog I O Board in the Control Center This data field displays the highest of the two speed input signals Speed Setpoint Displays the current speed setpoint that is dictated by the start...

Page 47: ...s set for Auto on Configuration Screen 1 Bypass Solenoid LED Illuminates when the Steam Inlet Slow Roll Bypass Air Dump Solenoid Valve is energized to allow the valve to be opened for slow roll warm u...

Page 48: ...07 and may NOT be applicable to units manufac tured prior to 2007 Navigation Home Access Level Required VIEW Causes an instant return to the Home Screen Turbine Access Level Required VIEW A detailed v...

Page 49: ...the turbine shaft The pickup signals are converted to 4 20 mA signals by frequency to analog converters in the Tur bine Box and connected to the Analog I O Board in the Control Center This data field...

Page 50: ...by a proximity probe installed at approximately 45 degrees from the vertical center on the left side when facing the gover nor end of the turbine The probe signal is converted to a 4 20 mA signal by...

Page 51: ...ited to running ten 10 minutes If a longer running time is desired this key must be pressed again Manual Pump control is disabled and the key hidden during system prelube system run and system coastdo...

Page 52: ...l Switch digital input The status will be Closed when the condensate level in the hotwell is in the normal operating range and will change to Open when the level in the hotwell has increased to 5 5 in...

Page 53: ...y contact on the Hotwell Pump 2 contactor The status will change from Open to Closed after the Run Output LED illuminates indicating that the contactor has pulled in This object only appears if MSSP10...

Page 54: ...e Pump 1 Sealing Water Solenoid LED is illuminated and adequate flow has been established to close the flow switch contacts Pump 1 Run Output LED Illuminates when the Vacuum Pump 1 contactor is energi...

Page 55: ...ppears if MSSP11 Vacuum Pump Mode is set for Dual on Configuration Screen 1 Programmable Pump Mode Auto Manual 1 Manual 2 Access Level Required SERVICE This key initiates a Manual start sequence for t...

Page 56: ...n HSR High Select Relay will select the higher of the two signals entering it and pass it on to the next device An LSR Low Select Relay will select the lower of the two signals entering it and pass it...

Page 57: ...entered on the Auto Manual Screen This is the minimum PRV control signal allowed when the head is equal to the Low Head Pressure Delta setpoint Anti Surge High Head Press Delta Displays the present H...

Page 58: ...Therefore the vanes are prevented from closing below this value and the Hot Gas Ratio Calculation uses this minimum signal as the starting point for controlling the Hot Gas Bypass Valve Hot Gas Temp C...

Page 59: ...tuning parameters for the Leaving Chilled Liquid Temperature Evaporator Pressure Condenser Pressure Hotwell Level and Subcooler Level PID controllers PID Setup 2 Access Level Required VIEW Moves to a...

Page 60: ...High Select Relay will select the higher of the two signals entering it and pass it on to the next device An LSR Low Select Relay will select the lower of the two signals entering it and pass it on t...

Page 61: ...PRV control signal allowed when the head is equal to the High Head Pressure Delta setpoint Anti Surge Low Head Min PRV Displays the present Low Head Min PRV setpoint that is entered on the Auto Manual...

Page 62: ...ox This box displays parameters pertinent to the Capac ity Control Ratchet Mode Selector This selector deter mines which device should be used for capacity control and ensures that the chiller is alwa...

Page 63: ...the pneumatically actuated governor valve The data field below the output display shows theAuto Manual status of the Speed Setpoint as presently selected on theAuto Manual Screen Hot Gas Bypass Displa...

Page 64: ...ints require a login access level of Service or higher Service Technicians refer to YORK Service Manual 160 67 M3 for operation and a detailed explanation of the tuning parameters To view the results...

Page 65: ...ges to yellow Active text to display if the controller is presently controlling the chiller capacity Hotwell Level Screen Condensate SP HLSP1 Range 30 0 70 0 SP HLSP1 Default 50 0 PID Tuning Ranges P...

Page 66: ...ay and programming if access level is SERVICE for the Temperature Evaporator Pressure and Condenser Pressure controllers Select Control Temperature Evaporator Condenser Hotwell Subcooler Access Level...

Page 67: ...device to maintain the process variable at setpoint SP The response time of each controller is determined by the Proportional P Integral I and Derivative D tuning setpoints entered In some cases a se...

Page 68: ...Auto or Manual status of the Speed Setpoint as presently se lected on the Auto Manual Screen Gov Valve Position Limit Screen Capacity Controls SP GSP1 Range 20 0 100 0 SP GSP1 Default 100 0 PID Tunin...

Page 69: ...evel Required VIEW This key selects the desired controller for which tun ing parameters will be programmed if access level is SERVICE Change Settings Access Level Required SERVICE This key enables the...

Page 70: ...Manual 160 67 M3 for additional information This screen would normally only be used by a quali fied YORK Service Technician to determine at initial commissioning or subsequent site visits to test the...

Page 71: ...evel Displays the present control signal being sent to the analog output used to control Hotwell Level Control I P Transducer The PV data field displays the present condensate level in the steam conde...

Page 72: ...is the minimum PRV control signal allowed when the head is equal to the Low Head Pressure Delta setpoint PD2 Anti Surge Setpoints Low Head Min Speed MSP2 Range 3200 4500 RPM Screen Capacity Controls...

Page 73: ...trip mechanism on the turbine should trip before SSP4 Overspeed Test Limit speed is reached and the message TURBINE MECHANI CAL TRIP displayed If the turbine does not trip and the speed exceeds the SS...

Page 74: ...the vane signal is stopped at 5 and the capacity control signal continues to decrease the output of the Hot Gas Ratio Calcula tion will increase from 0 100 as the control signal decreases from 5 0 to...

Page 75: ...ols Range Horsepower Position None Default Horsepower This override controller is used to unload the chiller to prevent the turbine from producing enough horsepow er to overload the compressor bearing...

Page 76: ...time delay has elapsed This will allow the vanes to open further and reduce steam consump tion TSP3 Hot Gas Valve Temp Controller SP Diff Screen Capacity Controls Range 0 4 0 F Default 1 1 F This is o...

Page 77: ...pened to this value to provide additional gas flow through the compressor After the stabilization delay has elapsed the PRV con trol signal will begin increasing from this value at the RRSP8 PRV Ramp...

Page 78: ...5 This is the steam pressure that the turbine must have at the inlet flange in order to provide the design horse power output This is used to calculate the actual horse power output of the turbine It...

Page 79: ...is calculated by subtract ing the Leaving Chilled Liquid Temperature Cycling Offset Shutdown from the Leaving Chilled Liquid Temperature Setpoint If this value is below the abso lute minimum allowed...

Page 80: ...reased the shutdown threshold is 36 0 F water or 6 0 F brine for the next ten 10 minutes If Smart Freeze is enabled the threshold is 34 0 F for the next 10 minutes After ten 10 minutes have elapsed th...

Page 81: ...wns accurately and for utilizing the scheduling capabilities When prompt ed to enter a date value the user must enter the day month and four digit year using leading zeroes as necessary If within rang...

Page 82: ...to the maximum allowable for the Compressor Model en tered here It is entered at the factory and can only be changed in the TEST OP or ADMIN access level Inlet Steam Pressure Range Access Level Requi...

Page 83: ...ered Display Only None PROGRAMMABLE English Metric Units Access Level Required OPERATOR Define the unit system English or Metric used by the chiller display Custom User ID 4 Access Level Required SERV...

Page 84: ...er key places a green selection box around the first changeable parameter Use the and keys to place the selection box around the desired param eter to be changed With the selection box around the desi...

Page 85: ...1 ISSUE DATE 4 1 2015 2 COM 2 Stop Bit s Define the number of stop bits with which the panel shall communicate through the modem port Navigation Home Access Level Required VIEW Causes an instant retur...

Page 86: ...h scheduled print logs will begin Output Interval Access Level Required OPERATOR Define the interval at which log printing will occur Automatic Printer Logging Enabled Disabled Access Level Required O...

Page 87: ...DATE 4 1 2015 2 Print All Histories Access Level Required OPERATOR Generate a report of the system data at the time of all stored shutdowns Navigation Home Access Level Required VIEW Causes an instan...

Page 88: ...lay Only Model Number Factory defined model number of the chiller system Panel Serial Number Factory defined serial number for the micropanel Chiller Serial Number Factory defined serial number for th...

Page 89: ...FORM 160 67 O1 ISSUE DATE 4 1 2015 2 Print Access Level Required VIEW This generates a listing of the Sales Order data Navigation Home Access Level Required VIEW Causes an instant return to the Home...

Page 90: ...ess Level Required ADMIN Displays the number of the starts the chiller has initiated This may be reprogrammed to a desired value gener ally when this value has been reset due to a Microboard replaceme...

Page 91: ...gional service phone number is displayed as the first number Although the label and number can be changed appropriately the default for this entry is York Int l North American Toll Free Number 1 800...

Page 92: ...made to the applicable page num ber of YORK YST Logic Diagram 160 67 M3 where the setpoint has visibility To view the graphics asso ciated with the setpoint the applicable Screen name is also referen...

Page 93: ...the input signal from the Turbine Shaft End Bearing RTD Temperature Transmitter is above this setpoint The final setpoint should be 5 10 F higher than the normal operating temperature of the bearing...

Page 94: ...he input signal from either of the two Compressor Vibration Transmitters is above this setpoint CVSP2 Compressor Vibration Shutdown Screen Compressor Range 0 00 2 00 in sec Default 0 50 in sec This is...

Page 95: ...meout Screen Steam System Range 0 1800 Sec Default 600 Sec An immediate shutdown is initiated if the input signal from the Turbine Exhaust Steam Pressure Transmitter remains continuously above the PSP...

Page 96: ...Compressor Vibration Trip Timeout Screen Compressor Range 2 300 Sec Default 5 Sec A shutdown is initiated if either of the two Compressor Vibration Transmitter input signals remain continuous ly abov...

Page 97: ...ess level of Service or higher Programmable MSSP4 Turbine Start Mode Screen Steam System Turbine Range Auto Manual Default Manual This must be changed to Auto if the chiller is supplied with optional...

Page 98: ...imer A countdown timer displaying the time remaining in the slow roll cycle appears with the message SLOW ROLLING in the System Status display MSSP18 Compressor Vibration Sensors Screen Compressor Ran...

Page 99: ...team flowing through the turbine FSE2 Evaporator Flow Sensor Enable Screen Evaporator Range Enabled Diasabled Default Disabled This must be set to Enabled to display the rate of chilled liquid flowing...

Page 100: ...uare root of the input signal to provide a display that is linear with the cooling liquid flow Change Setpoints Access Level Required SERVICE This key enables the field selection cursor The opera tor...

Page 101: ...Pump Vacuum Pump Turbine Start Relay Default Compressor Oil Pump This setpoint determines what existing digital output control logic drives the 120 VAC digital output on the Frick Digital I O Board di...

Page 102: ...Causes an instant return to Configuration Screen 2 Home Access Level Required VIEW Causes an instant return to the Home Screen Setpoints Access Level Required VIEW Causes an instant return to the Setp...

Page 103: ...t at 9 PSIA When the chiller is supplied with a steam condenser that uses a single vacuum pump and steam ejectors to maintain the required turbine exhaust pressure and MSSP11 Vacuum Pump Mode on Confi...

Page 104: ...before the vacuum pump is stopped PSP13 Turbine Nozzle Solenoid 1 Activate Screen Steam System Range 14 7 100 PSIG Default 45 0 PSIG This is only used when the turbine is supplied with pneumatically a...

Page 105: ...Setpoints Screen Configuration Setpoints Access Level Required VIEW Causes an instant return to the Configuration Setpoints Screen 1 Time Setpoints Access Level Required VIEW Moves to a sub screen th...

Page 106: ...Solenoid 1 Activate pressure for this delay Turbine Nozzle Solenoid 1 Air Dump Solenoid is energized TDSP3 Turbine Nozzle Solenoid 2 Delay Screen Steam System Range 0 3600 Sec Default 100 Sec This is...

Page 107: ...energized TDSP12 Turbine Auxiliary Oil Pump Postlube Screen Turbine Range 30 40 Min Default 30 Min This is only used when the turbine is supplied with an auxiliary oil pump and MSSP6 Turbine Lubricati...

Page 108: ...etpoints Access Level Required VIEW Moves to a sub screen that allows programming of various pressure thresholds pertaining to the operation of the chiller Speed Setpoints Access Level Required VIEW M...

Page 109: ...ned by contacting the local service office Programmable SSP1 Slow Roll Speed Access Level Required SERVICE Screen Steam System Range 750 1200 RPM Default 1000 RPM This is the speed that the turbine wi...

Page 110: ...cated chilled liquid pump for each chiller this contact may be used to ini tiate the opening of a valve in the chilled liquid inlet line In any case a minimum chilled liquid flow must be established w...

Page 111: ...ursor The opera tor may then toggle between the programmable data fields using the Cursor Arrow keys Navigation Home Access Level Required VIEW Causes an instant return to the Home Screen Setpoints Ac...

Page 112: ...onal equipment supplied It is also a gateway to screens for program ming pressures time delays and speeds pertinent to the operation of the chiller To view the results of a setpoint change the applica...

Page 113: ...Level Required SERVICE This key enables the field selection cursor The opera tor may then toggle between the programmable data fields using the Cursor Arrow keys Navigation Home Access Level Required...

Page 114: ...nly Last Normal Shutdown This window displays the date and time and the de scription of the last normal shutdown A normal shut down is defined as Local Panel rocker switch Remote Digital Analog or ISN...

Page 115: ...the value of select chiller parameters at the time of the associated shutdown Trending Access Level Required VIEW Causes a move to a sub screen allowing the user to view trending data on selected chil...

Page 116: ...ens required to display all of the data varies according to type of motor starter and options applied Display Only History Printout This is the on screen printout of the system parameters Programmable...

Page 117: ...e Manual 160 67 M3 The details of any setpoint change can be viewed by navigating to a subscreen that displays the date and time of the change Access Level and USER ID used to make the change the old...

Page 118: ...Home Access level Required SERVICE Causes an instant return to the Home Screen History Access Level Required SERVICE Causes an instant return to the History Screen View Details Access Level required S...

Page 119: ...e data on this screen can be printed Requires a login access level of SER VICE Display Only Description Displays the setpoint category that was changed Time Displays the time the setpoint was changed...

Page 120: ...e Service Technician to display param eters pertinent to a particular problem during trouble shooting At completion of the service call the display can be cleared or the parameters can be left there f...

Page 121: ...he Slot Numbers list and note the number of the parameter s to be displayed Pressing the Select key places a green colored selection box around Cus tom Slot 1 If it is desired to change an already ent...

Page 122: ...d param eter is less than the Y Axis label minimum for that parameter the value will be plotted at the minimum value Similarly if the actual value is greater than the Y Axis label maximum for that par...

Page 123: ...be printed in tabular format If set to EXISTING a snapshot of the data presently on the screen is sent to the printer If set to NEW all data collected after pressing this key will be sent to the print...

Page 124: ...ed across the X Axis of the graph Each point represents the instan taneous value of the parameter The user selects the time interval between these points This is called the DATA COLLECTION INTERVAL or...

Page 125: ...the Data Point Max Otherwise a red graph is displayed on the Trend Screen with the words TREND MAX MUST BE TREND MIN If the parameter selected for this data point is a digital type on off this value m...

Page 126: ...data collection is started or stopped af ter any selected Trigger delay per the selected Trigger Action A Secondary Trigger can be evaluated with the Prima ry Trigger to start stop data collection The...

Page 127: ...on will stop after the Triggers evaluate as true and the delay timer has elapsed Primary to Secondary Operator Access Level Required OPERATOR Selects whether the Primary Trigger Secondary Trig ger or...

Page 128: ...lows From these lists select up to six parameters to be trend ed Return to the Trend Setup Screen and enter the pa rameters Slot Numbers into Data Points 1 through 6 Requires a login access level of O...

Page 129: ...s Closing 1817 Liquid Line Solenoid 2063 Vent Line Solenoid Oil Sump 1539 Oil Pump Run Output 8193 Sump Oil Pressure LOP 8192 Pump Oil Pressure HOP 1536 Oil Pressure 1537 Oil Sump Temperature 1542 Oil...

Page 130: ...e 2 Solenoid 2843 Steam Ring Drain Solenoid Turbine Oil Bearings 2828 Oil Temperature 2827 Oil Pressure 2873 Aux Oil Pump Run Output 2836 Aux Oil Pump Contact master slot numbers list for use with tre...

Page 131: ...rd Prelube duration is 50 sec onds A countdown timer displaying the time remain ing in the prelube cycle also appears with this message System Starting The main start relay K18 on the York I O board i...

Page 132: ...untdown timer displaying the time remaining in the stabilization cycle also appears with this message System Run The chiller is running under the condition described in the Details Line of the Status...

Page 133: ...witch Open The chiller is inhibited from starting because the Pre rotation Vanes are not fully closed Condenser High Pressure Stopped The condenser pressure has exceeded 160 0 PSIG R134a 240 0 PSIG R2...

Page 134: ...vaporator pressure has returned to normal and the Leaving Chilled Liquid Temperature Controller is con trolling the capacity of the chiller Refer to the Capac ity Controls Screen descriptions for addi...

Page 135: ...he Alarm Shutdown Setpoints Screen The message will automatically clear when the input signal decreases to 0 1 F below the Alarm Setpoint Warning Turbine Shaft End Bearing High Temperature This messag...

Page 136: ...equence is initiated The message will automatically clear when the input signal decreases to 0 1 Mil below the Alarm Setpoint Warning Turbine Governor End Vertical Vibration The input signal from the...

Page 137: ...ealing water solenoid has been energized or the lead vacuum pump contactor auxiliary contact has failed to close within 5 seconds after the run output was energized to start the pump The standby pump...

Page 138: ...shown on the Alarm Shutdown Setpoints Screen This check is bypassed during shutdown until the start sequence is initiated The message will automatically clear when the input signal decreases to 0 1 In...

Page 139: ...than the Condenser Saturated temperature by 30 or 40 F as described above in the COMPR OIL LOW TEMPERATURE DIFFERENTIAL message description Compr Oil Variable Speed Pump Drive Contacts Open The Oil Pu...

Page 140: ...e The evaporator pressure as sensed by the Evapora tor Transducer has decreased to the Safety shutdown threshold For water cooling applications the safety shutdown threshold is a fixed value for the r...

Page 141: ...the temperatures are within 3 0 F of one another and the START STOP con trol switch is placed in the STOP RESET O position Condenser High Pressure Contacts Open The contacts of the electro mechanical...

Page 142: ...transducer The chiller can be started after the transducer is indi cating a pressure that is within range and the START STOP control switch is placed in the STOP RESET O position Compr Oil Differentia...

Page 143: ...zed The START STOP control switch must be placed in the STOP RESET O position before starting the chiller Excessive Start Delay The system prelube has been completed but the opera tor has failed to pr...

Page 144: ...nger than 17 seconds The critical speed band is determined by the values entered for SSP11 and SSP12 on the Speed Setpoints Screen Failure to Maintain Minimum Rated Speed The turbine has been continuo...

Page 145: ...e started after the transmitter input signal de creases to 0 1 F below the Shutdown Setpoint and the START STOP control switch is placed in the STOP RESET O position Turbine Governor End Bearing High...

Page 146: ...After the probe cables are connected to the transmitters the zero on all vibration transmitters must be adjusted to provide a 4 0mAoutput to ensure the proper opera tion of these messages Hotwell Cond...

Page 147: ...l Vibration Transmitter is above the TVSP2 Turbine Vibration Shutdown setpoint shown on the Alarm Shutdown Setpoints Screen This check is bypassed during shutdown until the start sequence is initiated...

Page 148: ...ition An input signal above 2 0 In Sec would also indicate a defective transmitter or accelerometer but will generate a normal safety shutdown message since this value exceeds the safety setpoint Comp...

Page 149: ...JOHNSON CONTROLS 149 FORM 160 67 O1 ISSUE DATE 4 1 2015 3 SECTION 3 PRINTERS Figure 54 Printers 23887A OKIDATA MICROLINE 184 23889A WEIGH TRONIX seiko dpu 414 00085VIP...

Page 150: ...icable to those devices may differ Figure 55 Status Figure 56 Setpoints Figure 57 Sales Order Figure 58 History Figure 59 Security Log Figure 60 Trend Figure 61 Custom Screen The following Printers ca...

Page 151: ...Microboard Printer Function J2 4 pin 3 Tx data to printer J2 2 pin 8 DSR busy signal from printer J2 9 pin 5 Gnd Cabinet shield Hardware required Cable 18 AWG stranded 50 ft maximum length Connectors...

Page 152: ...Enable 1 6 off Printing density 100 1 7 on Printing density 100 1 8 on Printing density 100 DipSW 2 1 on Printing Columns 40 2 2 on User Font Back up on 2 3 on Character Select normal 2 4 off Zero sla...

Page 153: ...nter These codes determine such things as lines per inch character width and general formatting Available selections are Okidata Weigh Tronix and Seiko Automatic Data Logging Access Level Required OPE...

Page 154: ...urn Solenoid Off Variable Speed Oil Pump Oil Pump Drive Command Frequency 25 0 Hz Variable Speed Oil Pump Control Mode Auto Figure 55 Sample Printout Status Proximity Probe High Speed Thrust Bearing P...

Page 155: ...in Solenoid On Condensate Drain Tank High Level Switch Closed Turbine Oil Bearings Oil Temperature 110 5 F Oil Pressure 18 1 Psig Governor End Bearing Temperature 170 1 F Shaft End Bearing Temperature...

Page 156: ...ss 5 HLSP2 Hotwell High Level 90 0 LCVM Subcooler Level Valve Minimum Position 25 Configuration Setpoints MSP1 High Head Minimum Speed 4500 RPM MSP2 Low Head Minimum Speed 3600 RPM MSSP1 Capacity Ratc...

Page 157: ...000 Gal Min FSP6 Condenser Flow Transmitter Signal Type Linear Temperature Controller PID TSP1 Leaving Chilled Local Setpoint 42 1 F Temperature Controller HGV Proportional 1 00 Temperature Controller...

Page 158: ...ving Temperature 42 0 Return Temperature 54 0 GPM 4200 Tubes 182 Design Load Condenser Passes 2 Design Working Pressure 150 Fouling Factor 00025 Pressure Drop 23 8 Nozzle Arrangement In 12 Nozzle Arra...

Page 159: ...ater Output On Oil Return Solenoid On Variable Speed Oil Pump Oil Pump Drive Command Frequency 25 0 Hz Variable Speed Oil Pump Control Mode Auto Proximity Probe High Speed Thrust Bearing Proximity Dif...

Page 160: ...p Manual Mode Disabled Hotwell Level HLSP1 Hotwell Condensate Level 50 0 Condensate Level 50 1 Hotwell Level Control Output Signal 49 9 Pump 1 Run Output On Pump 1 Aux Contact Closed Pump 2 Run Output...

Page 161: ...L CORPORATION Fri 05 Oct 2001 4 48 04 PM Log Entry 1 Evaporator Leaving Chilled Local Setpoint Date 05 Oct 2001 Time 4 23 49 PM Access Level Service User Id 4268 Old Value 46 5 F New Value 48 0 F Log...

Page 162: ...lsius multiply by 5 9 or 0 5556 Example 10 0 F range x 0 5556 5 6 C range Table 1 Si Metric Conversion Measurement Multiply English Unit By Factor To Obtain Metric Unit Capacity Tons Refrigerant Effec...

Page 163: ...JOHNSON CONTROLS 163 NOTES...

Page 164: ...nia USA 17405 1592 800 861 1001 Subject to change without notice Printed in USA Copyright by Johnson Controls 2015 www johnsoncontrols com ALL RIGHTS RESERVED Form 160 67 O1 415 Issue Date April 1 201...

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