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York OPTIVIEW Operation Manual Download Page 138

JOHNSON CONTROLS

138

FORM 160.78-O2 

ISSUE DATE: 5/22/2017

SECTION 3 - VSD OPERATION

FIGURE 50 - 

LEFT SIDE OF HYP744 DRIVE CABINET

Input Power 

Fuses

Voltage 

Transient 

Board

Cooling 

Fans

Line Voltage 

Isolation Board

Circuit 

Breaker or 

Disconnect 

Switch

LD16294

Summary of Contents for OPTIVIEW

Page 1: ...OPERATION MANUAL OPTIVIEW CONTROL CENTER Supersedes 160 78 O2 1112 Form 160 78 O2 517 OPTIVIEW CONTROL CENTER FOR YMC2 MODEL A R 134a LD14000 Issue Date May 22 2017...

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: ...estion regarding the applicability of these documents rig ging lifting and operating service personnel should verify whether the equipment has been modified and if current literature is available from...

Page 4: ...Heat Exchanger Mod Level Nominal Inside Diameter Inches Nominal Length Feet Marketing Tube Number E A 25 14 271 B R 1 1 F C R COMPRESSOR NOMENCLATURE Gas Path Revision Level Impeller Design Revision...

Page 5: ...r Screen 45 Variable Geometry Diffuser Setpoints Screen 49 Variable Geometry Diffuser Calibration Screen 53 Pre Rotation Vanes Calibration Screen Applies To Gas Path Revision A Only 55 Capacity Contro...

Page 6: ...ion A 53 FIGURE 23 Variable Geometry Diffuser Calibration Screen Gas Path Revision B 53 FIGURE 24 Pre Rotation Vanes Calibration Screen 55 FIGURE 25 Capacity Controls Screen Gas Path Revision A 57 FIG...

Page 7: ...182 Turbo 184 Turbo 147 TABLE 11 Weigh Tronix 147 TABLE 12 Seiko 147 TABLE 13 SI Metric Conversion 161 FIGURE 54 Drive Logic Board 142 FIGURE 55 Rectifier Side Of The Power Unit 142 FIGURE 56 Printers...

Page 8: ...JOHNSON CONTROLS 8 FORM 160 78 O2 ISSUE DATE 5 22 2017 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 9: ...nned coils absorbing heat from the air The warmed liquid is then returned to the chiller to complete the chilled liquid circuit See Figure 2 on Page 10 SECTION 1 DESCRIPTION OF SYSTEM AND FUNDAMENTALS...

Page 10: ...REFRIGERANT FLOW THRU CHILLER COMPRESSOR EVAPORATOR FALLING FILM DISCHARGE PRE ROTATION VANES SUCTION BAFFLE SUB COOLER CONDENSER SUCTION LIQUID COOLING FOR MOTOR STATOR ISOLATION VALVE ROTOR COOLING...

Page 11: ...ent pressure differen tial When the speed cannot be further reduced due to pressure difference required for the specified leaving chilled water temperature setting and available cool ing to the conden...

Page 12: ...JOHNSON CONTROLS 12 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 1 DESCRIPTION OF SYSTEM AND FUNDAMENTALS OF OPERATION THIS PAGE INTENTIONALLY LEFT BLANK...

Page 13: ...s displayed on these screens are explained in detail in York YMC2 Service Manual Form 160 78 M2 These parameters affect chiller opera tion and should never be modified by anyone other than a qualified...

Page 14: ...pt changes made to the chiller setpoints the Check key is provided as a uni versal Enter key or Accept symbol In order to reject entry of a setpoint or dismiss an entry form the X key is provided as a...

Page 15: ...n the system the user must first login with an appropriate access level When power is applied to the chiller the system begins with an Access Level of VIEW This will allow the user to navigate to most...

Page 16: ...cel key to dismiss the dialog box 3 Press the Enter key If the value is within range it is accepted and the dialog box disappears The chiller will begin to operate based on the new programmed value If...

Page 17: ...ser Liquid Temperature 8 0 133 5 F 13 3 56 3 C Evaporator Refrigerant Temperature Optional 0 0 126 1 F 17 7 52 3 C Discharge Temperature 31 8 226 3 F 0 1 107 9 C Condenser Pressure R134a 0 0 315 0 PSI...

Page 18: ...of the liquid as it leaves the condenser Condenser Liquid Temperature Entering Displays the temperature of the liquid as it enters the condenser Input Full Load Amps This displays the percentage of f...

Page 19: ...TORY Screen This option will not be present if the chiller is presently configured to print History New Data which continuously logs Clear Fault Access Level Required VIEW Software version C OPT 16 01...

Page 20: ...Pulldown Demand Limit values Setpoints This screen provides a single location to program the most common system setpoints It is also the gateway to many of the general system setup parameters such as...

Page 21: ...e mode E Link Gateway interface in BAS ISN mode or a locally programmed value Condenser Liquid Temperature Leaving Displays the temperature of the liquid as it leaves the condenser Condenser Liquid Te...

Page 22: ...ion Temperature Displays the present saturation temperature in the evaporator Delta P Displays the pressure difference between the condens er and evaporator condenser minus evaporator This is also cal...

Page 23: ...gerant Temperature sensor input if the sensor is enabled otherwise it will be repre sented by the Evaporator Saturation temperature Evaporator Pressure Displays the present refrigerant pressure in the...

Page 24: ...to define the Leaving Chilled Liquid Temperature that is to be maintained by the chiller It is programmable over the range of 38 0 F to 70 0 F water or 10 0 F to 70 0 F brine If Smart Freeze see belo...

Page 25: ...UTDOWN setpoint is set to 4 F the Effective Off set is displayed as 4 F If the leaving setpoint is low ered to 38 F the Effective Offset will change to 2 F If the leaving chilled setpoint is raised ba...

Page 26: ...JOHNSON CONTROLS 26 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 2 OPTIVIEW CONTROL CENTER INTRODUCTION THIS PAGE INTENTIONALLY LEFT BLANK...

Page 27: ...ll Temperature Difference Displays the difference between the Condenser Refrig erant temperature and the Leaving Condenser Liquid temperature The Condenser Refrigerant temperature will be represented...

Page 28: ...ng Threshold Access Level Required SERVICE This value allows the user to define the condenser pres sure at which the chiller will initiate a warning and ini tiate high condenser pressure capacity cont...

Page 29: ...g Condenser Liquid Temperature Displays the temperature of the liquid as it enters the standard condenser tube bundle Leaving Condenser Liquid Temperature Displays the temperature of the liquid as it...

Page 30: ...efault 0 0 Control Valve Output Settings Auto Places the Control Valve in automatic control Change Setpoints Used to enter the Head Pressure Control PID vari ables Pressing this key places a green box...

Page 31: ...Zone transition delta for the programmed Zone transition time seconds before the Zone 1 parameters are used If the error is greater than the programmed Zone transition delta the Zone 2 pa rameters ar...

Page 32: ...in the Startup Delay time countdown timer while Startup Delay is in effect Level Control Valve Command Displays the position command to the level control valve in percent of travel with 0 full closed...

Page 33: ...ol Screen Level Control State Same as Refrigerant Level Control Screen Transition Time Remaining Same as Refrigerant Level Control Screen Ramp Up Time Remaining Same as Refrigerant Level Control Scree...

Page 34: ...mmed as the Ramp Up Time This setpoint can only be changed with ADMIN level access Zone Transition Delta Specifies the percentage increment away from level setpoint for the control to switch zones of...

Page 35: ...he proper Access Level the pre rotation vanes may be calibrated Animation of the compressor impeller indi cates whether the chiller is presently in a RUN condi tion This screen also serves as a gatewa...

Page 36: ...percentage of the job input Full Load Amps FLA value Motor Full Load Amps Displays the current to the motor as a percentage of the motor maximum current VSD Output Frequency Displays the VSD frequency...

Page 37: ...n micrometers from center along the radial axis designated W for the Impeller End Bearing W1 Current Displays the magnetizing current to the upper bearing on the radial axis designated W for the Impel...

Page 38: ...hutdown LED Indicates the MBC is reporting a shutdown fault via Modbus Data MBC Outputs Rotation Allowed LED Indicates the MBC rotation allowed contacts are closed by the control Digital Input MBC Out...

Page 39: ...Y ONLY Z1 Temperature Displays the temperature measured at the impeller end bearing assembly VW13 Vibration Displays the vibration amplitude at rotational frequen cy radially at the impeller end beari...

Page 40: ...tes the voltage of the DC Bus which supplies the MBC MBC Operation Time Indicates the cumulative time of operation of the MBC since initial power up MBC Rotation Time Indicates the cumulative time the...

Page 41: ...has been initialized with the OptiView OptiView does not store this data sepa rately DISPLAY ONLY This screen displays the chiller event history There are no other display only fields PROGRAMMABLE PRI...

Page 42: ...JOHNSON CONTROLS 42 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 2 OPTIVIEW CONTROL CENTER INTRODUCTION THIS PAGE INTENTIONALLY LEFT BLANK...

Page 43: ...tor pressure Surge Window Time When the chiller enters run mode this value counts up to the time programmed as the COUNT WINDOW setpoint When it reaches the COUNT WINDOW min utes the number of surge e...

Page 44: ...ge situation Count Limit Access Level Required OPERATOR Allows the user to define the maximum number of surge events 4 to 20 default 4 default 15 that can occur within a defined period of time before...

Page 45: ...his screen The following fields require login access level of SERVICE Service technicians re fer to YORK YMC2 Service Manual Form 160 78 M2 for operation instructions and explanationsofallprogrammable...

Page 46: ...evision A Only Displays calculated limit that the VGD is permitted to open to in probing mode VGD Command Gas Path Revision B Only Displays the position command from the control to the VGD Surge Detec...

Page 47: ...This key puts the VGD in manual mode and sends a hold command to the VGD VGD Auto This key returns the control of the VGD to automatic NAVIGATION Home Causes an instant return to the Home Screen Comp...

Page 48: ...JOHNSON CONTROLS 48 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 2 OPTIVIEW CONTROL CENTER INTRODUCTION THIS PAGE INTENTIONALLY LEFT BLANK...

Page 49: ...g fields require login access level of SERVICE Service technicians re fer toYORKYMC2 Service Manual Form 160 78 M2 for operation instructions and explanations of all programmable setpoints and display...

Page 50: ...m the control to the VGD Surge Detected LED Illuminates for 5 seconds each time a surge is detected VGD Count Displays the number of times the Stall Detector Board output voltage goes above the High L...

Page 51: ...GD Cycle Count PRV VGD Inhibit Gas Path Revision A Only If PRV position exceeds this value the VGD is pulsed open according to the open pulse setpoint and does NOT respond to the stall detector voltag...

Page 52: ...JOHNSON CONTROLS 52 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 2 OPTIVIEW CONTROL CENTER INTRODUCTION THIS PAGE INTENTIONALLY LEFT BLANK...

Page 53: ...chiller start The following fields require a login access level of SERVICE Service Technicians refer to YORK YMC2 Service Manual Form 160 78 M2 for operation instruc tions and explanation of all prog...

Page 54: ...calibration value 0 VGD Voltage Indicates VGD feedback voltage accepted as the 0 full closed calibration value PROGRAMMABLE Set 100 VGD Gas Path Revision A Only Accepts the present VGD feedback volta...

Page 55: ...s are closing Calibration in Progress LED Indicates the calibration sequence is in progress Calibration Messages These are text messages which step the user through the calibration process and indicat...

Page 56: ...JOHNSON CONTROLS 56 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 2 OPTIVIEW CONTROL CENTER INTRODUCTION THIS PAGE INTENTIONALLY LEFT BLANK...

Page 57: ...tion to Leaving Chilled Liquid temperature current and pressure overrides and anti surge control This screen also provides a means for a Service Technician to control PRV Speed and Optional Hot Gas By...

Page 58: ...led Liquid Displays the temperature of the chilled liquid as it leaves the evaporator Active LCHLT Setpoint Displays the active temperature setpoint to which the chiller is set to control liquid leavi...

Page 59: ...evice is limited based upon surge controls or operating limits PROGAMMABLE Select VSD Control Access Level Required SERVICE Pressing this button causes VSD Control to be selected for manual control th...

Page 60: ...l if it had been in Auto and the Selected device s control command shall be set to the entered value Auto Access Level Required SERVICE Pressing this button will set the selected device s con trol sta...

Page 61: ...s information pertaining to the Vari able Speed Drive VSD DISPLAY ONLY Motor Run LED Indicates whether the digital output from the controls is commanding the motor to RUN VARIABLE SPEED DRIVE SCREEN L...

Page 62: ...ion as a value between 0 and 100 Input kVA Displays the supply kva measured by the VSD Input Power Factor Displays the relationship between the Input Power and the Supply kVA Rated Motor Voltage Displ...

Page 63: ...uired ADMIN Allows the user to reset the cumulative Kilowatt Hours to zero 0 Service Technicians refer to YORK YMC2 Service Manual Form 160 78 M2 Input Job Full Load Amps Access Level Required SERVICE...

Page 64: ...JOHNSON CONTROLS 64 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 2 OPTIVIEW CONTROL CENTER INTRODUCTION THIS PAGE INTENTIONALLY LEFT BLANK...

Page 65: ...control to the VSD Commands are as follows 0 Off 1 Pre Regulate 2 Run 3 Manual Precharge 4 Manual Pre Regulate 5 Soft Shutdown VSD Control State Displays the control state of theVSD States are as foll...

Page 66: ...the VSD input rectifier baseplate tempera tures at each phase Inverter Baseplate Temperature Phase A B C Displays the VSD output inverter baseplate tempera tures at each phase Internal Ambient Tempera...

Page 67: ...160 78 O2 ISSUE DATE 5 22 2017 2 NAVIGATION Home Causes an instant return to the Home screen VSD Causes an instant return to the Home screen Setpoints Access Level Required ADMIN Moves to the subscre...

Page 68: ...JOHNSON CONTROLS 68 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 2 OPTIVIEW CONTROL CENTER INTRODUCTION THIS PAGE INTENTIONALLY LEFT BLANK...

Page 69: ...The feature consists of motor winding temperature and motor housing tem perature Also individual winding temperature sensors can be disabled on this screen DISPLAY ONLY Motor Run LED Illuminates when...

Page 70: ...ion The winding displays can be individually disabled us ing the TEMPERATURE DISABLE setpoint ADMIN access level on this Screen The software prevents more than 4 of the 6 motor temperature sensors to...

Page 71: ...ed when in manual control Open Close Access Level Required SERVICE Changes the motor cooling valve command by one unit of the manual increment setting Changes control to Manual Set Access Level Requir...

Page 72: ...JOHNSON CONTROLS 72 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 2 OPTIVIEW CONTROL CENTER INTRODUCTION THIS PAGE INTENTIONALLY LEFT BLANK...

Page 73: ...ll shut down to avoid over cool ing the building This value is calculated by subtract ing the Leaving Chilled Liquid Temperature Cycling Offset Shutdown from the Leaving Chilled Liquid Temperature Set...

Page 74: ...D LIQUID LOW TEMPERATURE cycling shutdown This is done by defining an offset below the Leaving Chilled Liquid Temperature setpoint It is programmable over a range of 1 F to 64 F below the setpoint to...

Page 75: ...limit time This value will override the Input Current Limit value during this time period This function is used to provide energy savings following chiller start up Pulldown Demand Time Access Level...

Page 76: ...JOHNSON CONTROLS 76 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 2 OPTIVIEW CONTROL CENTER INTRODUCTION THIS PAGE INTENTIONALLY LEFT BLANK...

Page 77: ...sent date This value is critical to logging system shutdowns accurately and for utilizing the scheduling capabilities When prompt ed to enter a date value the user must enter the day month and four di...

Page 78: ...E Allows a Service Technician to program the applicable supply line voltage Line Frequency Access level Required SERVICE Allows as ervice technician to program the line fre quency to 50 or 60hZ Power...

Page 79: ...continuously through several days the Stop time of Day 1 can be set to 11 59 PM and the Start time of Day 2 can be set to 12 00 AM The chiller will not stop but continue to operate until the stop of D...

Page 80: ...nabled Disabled Access Level Required OPERATOR Allows the user to enable or disable the monitoring function which enforces the scheduled starting and stopping of the chiller Repeat Sunday Schedule Acc...

Page 81: ...fine the language for all Screens The desired language is selected by scrolling through the list of those available English is the Default lan guage and is selected by pressing the key when the dialog...

Page 82: ...onding User ID and User Level Service Tech nicians refer to YORK YMC2 Service Manual Form 160 78 M2 Custom User Access Level 4 Access Level Required SERVICE This allows the user to specify up to four...

Page 83: ...f reports obtained with a local printer Printer Setup Access Level Required OPERATOR Pressing either key places a green selection box around the first changeable parameter Use the and keys to place th...

Page 84: ...the modem port COM 2 Data Bit s Define the number of data bits with which the panel shall communicate to the modem port COM 2 Parity Bit s Define the number of parity bits with which the panel shall...

Page 85: ...which log printing will occur Automatic Printer Logging Enabled Disabled Access Level Required OPERATOR Enable the printer to begin printing status reports be ginning at the programmed start time and...

Page 86: ...ION 2 OPTIVIEW CONTROL CENTER INTRODUCTION Print All Histories Access Level Required OPERATOR Generate a report of the system data at the time of all stored shutdowns NAVIGATION Home Causes an instant...

Page 87: ...l number of the chiller system YORK Order Number Factory defined order number under which the chiller was sold Chiller Serial Number Factory defined serial number for the chiller system Compressor Mod...

Page 88: ...Level Required SERVICE Define the date at which the chiller was commissioned Job Name and Location Access Level Required SERVICE Factory defined job name and location the chiller is destined for Print...

Page 89: ...te Modem Remote or BAS ISN Remote Number of Starts Access Level Required ADMIN Displays the number of the starts the chiller has initi ated This may be reprogrammed to a desired value generally when t...

Page 90: ...North American Toll Free Number 1 800 861 1001 The Local service phone number is displayed as the second number Although blank by de fault the appropriate label and number can be entered by a Service...

Page 91: ...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 BAS ISN Last...

Page 92: ...the value of select chiller parameters at the time of the associated shutdown Trending Causes a move to a subscreen allowing the user to view trending data on selected chiller parameters Custom View C...

Page 93: ...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 Up Page Down Scroll up in th...

Page 94: ...JOHNSON CONTROLS 94 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 2 OPTIVIEW CONTROL CENTER INTRODUCTION THIS PAGE INTENTIONALLY LEFT BLANK...

Page 95: ...d USER ID used to make the change the old setpoint value and the new setpoint value The following fields require login access level of SERVICE Service technicians re fer toYORKYMC2 Service Manual Form...

Page 96: ...e Page Down Scroll down in the displayed data if applicable NAVIGATION Home Causes an instant return to the Home Screen History Access Level Required SERVICE Causes an instant return to the History Sc...

Page 97: ...Manual Form 160 78 M2 for operation instructions and explanations of all programmable setpoints zone parameters and displayed values DISPLAY ONLY Description Displays the setpoint category that was c...

Page 98: ...160 78 O2 ISSUE DATE 5 22 2017 SECTION 2 OPTIVIEW CONTROL CENTER INTRODUCTION NAVIGATION Home Causes an instant return to the Home Screen History Access Level Required SERVICE Causes an instant retur...

Page 99: ...of the service call the display can be cleared or the parameters can be left there for monitoring by operations personnel DISPLAY ONLY This screen display attributes assigned to Custom screen There a...

Page 100: ...JOHNSON CONTROLS 100 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 2 OPTIVIEW CONTROL CENTER INTRODUCTION THIS PAGE INTENTIONALLY LEFT BLANK...

Page 101: ...own through list of available parameters Select First use the Page Up and Page Down keys to scroll through the Slot Numbers list and note the number of the parameter s to be displayed Pressing the Sel...

Page 102: ...2 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 2 OPTIVIEW CONTROL CENTER INTRODUCTION NAVIGATION Home Causes a return to the Home Screen Custom View Access Level Required SERVICE Causes a return to the...

Page 103: ...mpled at the selected Data Col lection Interval and plotted using 450 data points across the X axis If the actual value of the sampled parameter is less than the Y axis label minimum for that param et...

Page 104: ...ed Otherwise data collection will begin immediately Stop Access Level Required OPERATOR Pressing this key stops the trending The trend data is frozen on the display until another graph is started with...

Page 105: ...the parameters are sam pled There are 450 data points displayed across the X Axis of the graph Each point represents the instan taneous value of the parameter The user selects the time interval betwe...

Page 106: ...as described above and enter the desired value The value must always be set to a value less than the Data Point Max Otherwise a red graph is displayed on the Trend Screen with the words TREND MAX MUS...

Page 107: ...er Action A Secondary Trigger can be evaluated with the Prima ry Trigger to start stop data collection The Primary to Secondary Operator is used to define the Trigger com binations required to be true...

Page 108: ...data collection will begin after the triggers evaluate as true and the delay timer has elapsed If the Trigger Action is set to Stop data col lection will stop after the Triggers evaluate as true and...

Page 109: ...creen and enter the pa rameters Slot Numbers into Data Points 1 through 6 DISPLAY ONLY Slot Numbers These are the slot numbers of the most commonly used parameters PROGRAMMABLE Page Down Access Level...

Page 110: ...on Temperature 1810 Evaporator Small Temp Difference 1812 Evaporator Refrigerant Temperature SLOT DESCRIPTION 1813 Delta P P 1814 Brine Low Cutout CONDENSER 2048 Leaving Condenser Liquid Temperature 2...

Page 111: ...log Setpoint 2310 Current Limit Remote BAS ISN Setpoint 2311 Current Limit remote Modem Setpoint 2312 Current Limit Selected Setpoint 2313 Pulldown Demand Time Remaining SLOT DESCRIPTION 2314 Pulldown...

Page 112: ...143 Input Current Override Threshold 18251 Motor Current Override Threshold 18273 Control State 18274 Active Load Limit 18288 Speed of Sound 18289 Isentropic Head 18290 Omega 18291 Surge Mach 18292 Su...

Page 113: ...TROL CENTER INTRODUCTION FORM 160 78 O2 ISSUE DATE 5 22 2017 2 SLOT DESCRIPTION 21036 Operation Mode 21037 Alarm 1 21038 Alarm 2 21039 Alarm 3 21040 ESD Failure 21041 MBC Fault 21042 Stop Bypass Valve...

Page 114: ...con dition clears and the Operator presses the CLEAR FAULT key SOFT SHUTDOWN The chiller is performing a Soft Shutdown Simultaneously the Hot Gas Bypass Valve is com manded to 100 open if Hot Gas Byp...

Page 115: ...setpoint The mes sage clears when the pulldown demand time expires Table 4 MBC STARTUP MESSAGES MESSAGE DESCRIPTION WAITING FOR CHILLED LIQUID FLOW The chilled liquid flow switch input is not reading...

Page 116: ...nt WARNING CONDENSER OR EVAPORATOR XDCR ERROR The Evaporator pressure Transducer is indicating a higher pressure than the Condenser pressure Transducer after the chiller has been running for 10 minute...

Page 117: ...y device IC loca tion U52 on Microboard This data is then read from the BRAM and compared to the test data If the read data is not the same as that which was written to the device it is assumed the BR...

Page 118: ...ecause the processor will be off before the fault delay CONTROL PANEL POWER FAILURE A Control Power failure has occurred If the power failure occurred while the chiller was running it will automatical...

Page 119: ...yet received the cause of the fault from the MBC via the serial communications link The MBC shuts down the chiller by opening the MBC Emergency Shutdown ESD contacts located on the MBC control board...

Page 120: ...levitated until commanded to de levitate over serial comms or VSD DC buss power depletes This warning is released when displacement is less than 75 m MBC W13 POSITION The MBC has measured shaft displ...

Page 121: ...oard TB4 13 have opened to initiate a cycling shutdown If the chiller is running when this occurs the Pre rotation Vanes are driven fully closed prior to shutting down the chiller The chiller will aut...

Page 122: ...PHASE A MOTOR CURRENT message preceeding VSD INITIALIZATION FAILED Upon application of power all boards go through the initialization process At this time memory locations are cleared program jumper...

Page 123: ...the microboard issues a VSD run command The fault is released when the microboard command is Stopped State VSD PHASE A INPUT DCCT OFFSET Upon the assertion of a precharge command the output voltage of...

Page 124: ...RUN com mands by the VSD a 5 second timer shall commence timing If both run commands are not received by the VSD Logic Board within 5 seconds a shutdown is performed and this message is displayed Thi...

Page 125: ...high pressure condition The chiller can be restarted after a Service Technician performs a special reset preset procedure contained in YORK YMC2 Service Manual Form 160 78 M2 CONDENSER PRESSURE TRANS...

Page 126: ...on Temperature derived from the Evaporator Pressure Transducer and the freeze threshold is 34 0 F 1 1 C The total count is incremented once for every second the evaporator refrigerant tem perature is...

Page 127: ...The chiller can be started when the MBC setting is restored to Customer Serial Link using the diagnostic software according to Form 160 78 M1 and the OptiView panel CLEAR FAULTS key is pressed MBC DAT...

Page 128: ...or VSD DC buss power depletes This shutdown is released when the board level communication failure is re solved The chiller can be started when the condition is released and the OptiView panel CLEAR...

Page 129: ...pen The MBC remains in Levitation mode with the motor shaft levitated until commanded to de levitate over serial comms or VSD DC buss power depletes This shutdown is released when the speed signal no...

Page 130: ...ed the programmed High Winding Temperature Shutdown threshold for 3 continuous seconds The chiller can be started after all winding temperatures decreased to at least 18 F 10 C below the shutdown thre...

Page 131: ...ow up to three consecutive pre charge related or pre regulation related faults i e VSD DC BUS REGULATION or any of the faults applicable to VSD PRECHARGE LOCKOUT to occur After the third consecutive f...

Page 132: ...e error information including mod ule number and line number via the communications link When the condition clears the chiller can be started after the CLEAR FAULTS key is pressed VSD INPUT CURRENT OV...

Page 133: ...hall time 10 seconds before clearing the fault and allowing another pre charge to start The unit s fan s and water pump s shall remain energized during this time The VSD logic board shall allow up to...

Page 134: ...determine that the input voltage frequen cy is 50 or 60 Hz then this shutdown will occur VSD LINE VOLTAGE PHASE ROTATION The input of the drive is not sensitive to the phase rotation of the input vol...

Page 135: ...loped direct liquid cooling for the inverter IGBT modules but today York is direct liquid cooling the rectifier inverter and the output filter in ductor The cooling system for the OSCD is greatly modi...

Page 136: ...ost the 3 phase input AC voltage into DC voltage in a mod ified new three phase bridge configuration The use of the modified new three phase bridge configuration in the rectifier permits pre charge of...

Page 137: ...wer source and reduces power loss in the custom er s switch gear In addition the input power factor of the OSCD is nearly unity Harmonic Filter General Information The Harmonic Filter is no longer an...

Page 138: ...60 78 O2 ISSUE DATE 5 22 2017 SECTION 3 VSD OPERATION Figure 50 LEFT SIDE OF HYP744 DRIVE CABINET Input Power Fuses Voltage Transient Board Cooling Fans Line Voltage Isolation Board Circuit Breaker or...

Page 139: ...CTION 3 VSD OPERATION FORM 160 78 O2 ISSUE DATE 5 22 2017 3 Figure 51 RIGHT SIDE OF HYP744 DRIVE CABINET Phase A Power Unit Input Line Inductor Phase B Power Unit Phase C Power Unit Drive Logic Board...

Page 140: ...5 22 2017 SECTION 3 VSD OPERATION Figure 52 LEFT SIDE OF HYP0490A DRIVE CABINET LD22393 Cooling Fans Line Voltage Isolation Board Circuit Breaker or Disconnect Switch Input Power Fuses Voltage Transi...

Page 141: ...41 SECTION 3 VSD OPERATION FORM 160 78 O2 ISSUE DATE 5 22 2017 3 Auxillary Capaci tor Assembly Power Unit Output Capacitor Assembly Line Inductor Drive Logic Board Figure 53 RIGHT SIDE OF HYP0490A DRI...

Page 142: ...N CONTROLS 142 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 3 VSD OPERATION Figure 54 DRIVE LOGIC BOARD LD16293 Figure 55 RECTIFIER SIDE OF THE POWER UNIT LD16292 Note Variable Speed Drive Model HYP744...

Page 143: ...ue to follow the speed command from the OptiView panel The OptiView panel begins to unload the chiller As the load and pressure across the compressor starts to go down the output speed of the OSCD wil...

Page 144: ...JOHNSON CONTROLS 144 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 3 VSD OPERATION THIS PAGE INTENTIONALLY LEFT BLANK...

Page 145: ...atically begin ning at an Operator selected start time and occurring at an Operator selected interval thereafter The following figures are examples of the different print reports Solid State Starter a...

Page 146: ...JOHNSON CONTROLS 146 FORM 160 78 O2 ISSUE DATE 5 22 2017 SECTION 4 PRINTERS Figure 56 PRINTERS 23887A OKIDATA MICROLINE 184 23889A WEIGH TRONIX SEIKO DPU 414 00085VIP...

Page 147: ...ter will ignore a code it cannot interpret 3 The control center requires a busy signal from the printer when the printer receive buffer is full This causes the control center to momentarily termi nate...

Page 148: ...ady busy 1 5 on 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 s...

Page 149: ...uired OPERATOR Using the COMMS Screen the control center must be configured to transmit data in the same format as the Printer is configured to receive the data The following values must be entered Ba...

Page 150: ...e Surge Count 0 Delta P P 1 52 Surge Window Time 3 Min Surge Window Count 0 Figure 57 SAMPLE PRINTOUT STATUS FIGURE 57 SAMPLE PRINTOUT STATUS CONT D Refrigerant Level Control Refrigerant Level 51 0 Ac...

Page 151: ...and 0 00 Hz VSD Output Frequency 0 00 Hz VSD Control Mode Auto Active Anti Surge Minimum Frequency 0 00 Hz Anti Surge Minimum Frequency 0 00 Hz Anti Surge Transient Offset 0 00 Hz VGD Command 25 0 Gas...

Page 152: ...ed Local Setpoint 42 0 F Leaving Chilled ISN Setpoint 42 0 F Leaving Chilled Modem Setpoint 45 0 F Leaving Chilled Analog Setpoint 42 0 F Leaving Chilled Digital Setpoint 42 0 F Remote Range 10 0 F Re...

Page 153: ...ol Max Loading Delta 1 0 Temperature Control Max Unloading Delta 1 0 VSD Output Gain 0 5 VGD Output Gain 1 0 Gas Path B PRV Output Gain 1 0 Gas Path A HGBP Output Gain 1 0 Minimum PRV Position 5 0 Gas...

Page 154: ...s Evaporator Pressure Drop ft Flow GPM Leaving Temperature F Entering Temperature F Fouling Factor Liquid Type Brine Percent Design Conditions Condenser Pressure Drop ft Flow GPM Leaving Temperature F...

Page 155: ...Discharge Superheat 24 4 F Stop Bypass Valve Off PRV Opening On Gas Path A PRV Closing Off Gas Path A PRV Actuator Mode Auto Gas Path A Surge Surge Count 0 Delta P P 1 52 Surge Window Time 3 Min Surge...

Page 156: ...rature 66 0 F Capacity Control Control State Inactive Load Limit Inactive VSD Frequency Command 0 00 Hz VSD Output Frequency 0 00 Hz VSD Control Mode Auto Active Anti Surge Minimum Frequency 0 00 Hz A...

Page 157: ...i 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 Entry 2 Condense...

Page 158: ...lbar b Select Capture Text from the drop down menu c A Capture Text Filebox will be displayed Verify location and file name d Select Start 5 Press the Print Screen key on the appropriate screen to be...

Page 159: ...NTROLS 159 SECTION 4 PRINTERS FORM 160 78 O2 ISSUE DATE 5 22 2017 4 MICRO R TX1 G RX1 HYPERTERMINAL E LINK COM 1 RS 232 TX J2 4 9 2 7 8 8 9 GND DSR GTX GRX COM 4B Figure 65 COMMUNICATIONS BLOCK DIAGRA...

Page 160: ...JOHNSON CONTROLS 160 FORM 160 78 O2 ISSUE DATE 5 22 2017 NOTES...

Page 161: ...x 0 5556 5 6 C range Table 13 SI METRIC CONVERSION MEASUREMENT MULTIPLY ENGLISH UNIT BY FACTOR TO OBTAIN METRIC UNIT Capacity Tons Refrigerant Effect ton 3 516 Kilowatts kW Power Horsepower 0 7457 Ki...

Page 162: ...17349 800 861 1001 Subject to change without notice Printed in USA Copyright by Johnson Controls 2017 www johnsoncontrols com ALL RIGHTS RESERVED Form 160 78 O2 517 Issue Date May 22 2017 Supersedes...

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