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JOHNSON CONTROLS

SECTION 1 – DESCRIPTION OF SYSTEM AND FUNDAMENTALS OF OPERATION

FORM 160.79-O3

ISSUE DATE: 11/09/2018

FIGURE 2 -

CHILLER OPERATION FLOW CHART

Chiller Standby

Select Lead Compressor

Is a Compressor in

Service Lockout

Select the other

Compressor

Select the Compressor

with Least Run Time

Yes

Open Lead Compressor

Discharge Valve

Electro-Mechanical Starter

Chiller Start Sequence

Auto zero the 3

Oil Pressure Transducers

Pre Lube cycle

Lead Compressor

Normal Sequence

(Extended prelube switch applies

only to lead compressor)

Lead Compr

Disch Valve

Open?

> 40 seconds

Alarm/Fault

Yes

Start Lead Compressor

(normal sequence)

Enable capacity controls logic.

Lead compressor PRVs

responding to LChWT

Chiller Start

Requirement

Chiller Run

Single Compressor

Are

Compressor

Disch Valves

Closed?

Start Inhibit

YD Dual Compressor Chiller

LD10487

Содержание OPTIVIEW YD Series

Страница 1: ...R 134A MODEL YD MOD D WITH OPTIVIEW CONTROL CENTER OPTIVIEW CONTROL CENTER CENTRIFUGAL LIQUID CHILLERS OPERATION Supersedes 160 79 O3 918 Form 160 79 O3 1118 Issue Date November 09 2018...

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

Страница 3: ...TION FORM NUMBER Shipping Damage Claims Policy 50 15 NM Installation Checklist and Request for Startup Engineer 160 79 CL1 Start Up Checklist YD Chillers 160 79 CL2 Maintenance Requirements 160 69 MR1...

Страница 4: ...DL ET 5EM EU 5EN EV 5EO EW 5EP EX 5EQ EY 5ER EZ 5ES EA 5ET EB 5EU FA 5EV FB 5EW FC 5EX FD 5FA 5FB COMPRESSOR CODE H9 K1 K2 K3 K4 K7 CONDENSER CODE QQ QR QS Q2 Q3 Q4 RQ RR RS R2 R3 R4 LB LC LD L2 L3 L4...

Страница 5: ...Screen 52 Variable Geometry Diffuser VGD Calibration Screen 55 Hot Gas Bypass Screen 56 Surge Protection Screen 58 Surge Protection Screen Single Compressor Operation 60 Surge Protection Screen Dual C...

Страница 6: ...een 117 Custom View Setup 118 Trend Screen 119 Trend Setup Screen 121 Advanced Trend Setup Screen 123 Common Slots Screen 125 Slot Numbers 126 Display Messages 128 Start Inhibit Messages 129 SECTION 3...

Страница 7: ...Capacity Compressor Cycling Screen 70 FIGURE 24 Oil Sump Screen 74 FIGURE 25 Oil Pump 1 Screen 76 FIGURE 26 Motor Starter Screen 78 FIGURE 27 Low Voltage Variable Speed Drive Screen 80 FIGURE 28 Mediu...

Страница 8: ...Schedule 154 FIGURE 57 Sample Printout Sales Order 154 FIGURE 58 Sample Printout History 156 FIGURE 59 Sample Printout Security Log Report 158 FIGURE 60 Sample Printout Trend Data New or Existing Poi...

Страница 9: ...ERATION SYSTEM OPERATION DESCRIPTION The following is a high level description of the chill er control It describes the overall operation Control Center components chiller components and program mable...

Страница 10: ...is brought on line There are three features that can be used to prevent the second compressor from being brought on line The COMPRESSOR LOCKOUT setpoint can be used to lockout either compressor The c...

Страница 11: ...ntrol Lag Start During the Lag Prelube all normal Prelube functions are performed except the Oil Pressure Transducer Offset calibration is not performed The offset calculation from the Lead compressor...

Страница 12: ...ser The Refrigerant Level Setpoint is then used to control the level for the remainder of the run period On the Refrigerant Level Control Screen the Refriger ant Level Override Mode displays Valve Pre...

Страница 13: ...s that occur on a Locked Out compressor cause the other compressor to shutdown or prevent it from starting Motor Controller 1 2 Contacts Open Oil Pump 1 2 Drive Contacts Open Proximity Probe Low Suppl...

Страница 14: ...is initiated a Soft Shutdown is performed simultaneously on all running compressors Operator Initiated Soft Shutdown at Keypad Remote Stop Leaving Chilled Liquid temperature Low Tem perature Discharg...

Страница 15: ...sor Discharge Valve Electro Mechanical Starter Chiller Start Sequence Auto zero the 3 Oil Pressure Transducers Pre Lube cycle Lead Compressor Normal Sequence Extended prelube switch applies only to le...

Страница 16: ...point Timer Is Lag Compressor Ready to Start Yes Yes Yes NO No No Pre Lube Lag Oil Pump Don t auto zero oil pressure transducers No No 2n Trend rate of pull down on startup to decide on d compr Antire...

Страница 17: ...ow motor current of Lead System Run Two Compressors 40 Seconds Alarm Fault No Delay 50 seconds To allow motor starting transition time Are Motor Currents Equal within 5 Yes 2 Minutes after valve open...

Страница 18: ...Lag Compressor Discharge Valve Lag Compr Disch Valve Closed Stop Lag Compressor Motor Drive Lag Compressor vanes closed Post Lube Run Time Lag Compressor Yes No Yes 1 Compr Running Restart 2nd compr i...

Страница 19: ...alves on both compressors Stop both compressor motors Post Lube Run time both compr oil pumps Energize Oil Heater 1 Compressor Running from Page 1 or 4 Chiller normal or cycling stop signal Stop Lead...

Страница 20: ...ault Stop manual or auto restart Stop both compressors simultaneously Chiller Fault Condition Post Lube Run time both compr oil pumps Energize Oil Heater 1 Compressor Running from Page 1 or 4 Chiller...

Страница 21: ...ing LChWT Lag Compressor following current of Lead No Yes No Yes Close Compressor Pre rotation Vane Motors No Have of Total Surge Counts Exceeded the allowed within time period setting Stop and Lockou...

Страница 22: ...JOHNSON CONTROLS 22 FORM 160 79 O3 ISSUE DATE 11 09 2018 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 23: ...ction of this book There are certain screens displayed values program mable Setpoints and manual control shown in this book that are for Service Technician use only They are only displayed when logged...

Страница 24: ...repre sent the application and revision level per below Each time the software is revised the level increments Y OPT 11 xx yzz Y Commercial chiller OPT Used on Microboard 031 03630 007 11 YD chiller...

Страница 25: ...rt Stop control is operated via a three position 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...

Страница 26: ...ns with an 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 va...

Страница 27: ...reports Free Cursor On screens containing many setpoints a specific soft key may not be assigned to each setpoint value A soft key will be assigned to enable the cursor arrow keys below the numeric k...

Страница 28: ...chart and select English per the USER Screen instructions in this book Home Screen System Screen Evaporator Condenser Level Control Compressors Compressor 1 Proximity Probe Calibrate Pre Rotation Van...

Страница 29: ...emperature 8 0 133 5 F 13 3 56 3 C Return Condenser 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...

Страница 30: ...Displays the temperature of the liquid as it enters the condenser Motor 1 Motor Run LED On when the digital output controlling compressor 1 motor starter is on Full Load Amps Displays the percentage o...

Страница 31: ...present system status This provides a snapshot of the primary operating conditions at the time the key is pressed The History page provides enhanced report ing capability See History on page 32 Messa...

Страница 32: ...PRV cali bration Capacity Control A detailed view of all the Capacity Control parameters showing what overrides are in effect and what the ac tive capacity control output states are Motor A detailed...

Страница 33: ...te at discharge of the compressor 2 as it trav els to the condenser Oil Pressure Displays the pressure differential between the Pump oil pressure transducer output of oil filter for com pressor 2 and...

Страница 34: ...condenser Condenser Saturation Temperature Displays the saturation temperature in the condenser Oil Sump Temperature Displays the temperature of the oil in the sump Chiller Current Limit Setpoint Disp...

Страница 35: ...ensor in put if the sensor is present otherwise it is calculated from the Evaporator Saturation temperature Evaporator Pressure Displays the present refrigerant pressure in the evaporator Evaporator S...

Страница 36: ...remote device can set the Leaving Chilled Liquid Temperature setpoint over the range 45 0 F to 55 0 F Leaving Chilled Liquid Temperature Cycling Effective Offset Shutdown Access Level Required OPERATO...

Страница 37: ...018 2 Refrigerant Enabled Disabled Access Level Required SERVICE When an Evaporator Refrigerant Sensor has been in stalled it must be enabled via this toggle before the sys tem will utilize the sensor...

Страница 38: ...er Saturation tem perature Condenser Pressure Displays the refrigerant pressure in the condenser Drop Leg Refrigerant Temperature Displays the temperature of the refrigerant in the drop leg between th...

Страница 39: ...sure at which the chiller will initiate a warning Drop Leg Enabled Disabled Access Level Required SERVICE When a Drop Leg Refrigerant Sensor has been installed it must be enabled via this toggle befo...

Страница 40: ...to 63 the level is shown as 80 full When the actual level is 64 to 79 the level is shown as 90 full Actual levels above 79 are shown as 100 full Requires a login access level of SERVICE Subcooler Effe...

Страница 41: ...lose buttons 0 1 to 10 default 1 0 requires Service password Open Pressing this button will set the Condenser Level Con trol Valve Mode to Manual if it had been in Auto and will increase the current C...

Страница 42: ...ween the Pump Oil Pressure transducer for compressor 1 and the common Sump oil pressure transducer If either of these transducers are out of range the display field will show XX X PSID The displayed v...

Страница 43: ...ce access level Moves to a sub screen that allows calibration of the Proximity Probe and Pre rotational Vanes and viewing of parameters for compressor 2 Also manual control of the Dis charge Valve and...

Страница 44: ...re transducer outputs during a three 3 second period beginning ten 10 seconds into the system pre lube period During this time the transducers are sensing the same pressure and their outputs should in...

Страница 45: ...Command LED Illuminates when an open command is being applied to the compressor Discharge Valve Discharge Valve Indicates the status of the compressor Discharge Valve as closing closed opening or open...

Страница 46: ...his value is defined at the conclusion of a cali bration sequence Oil Pressure Displays the pressure differential between the pump oil pressure transducer compressor bearing input and the sump oil pre...

Страница 47: ...ccept Calibration The key is pressed to accept the calibration This key option only becomes available after the calibration se quence is complete Fault Acknowledge This option is only displayed if a f...

Страница 48: ...in progress Calibration Messages These are text messages which step the user through the calibration process and indicate its success or failure PRV Feedback Voltage Displays the Pre Rotation Vanes po...

Страница 49: ...ation Pressing this button initiates the PRV Calibration se quence This option is hidden after calibration has started Cancel Calibration This option only becomes available after calibration has start...

Страница 50: ...the Microboard High Limit Displays the High Stall Detector Voltage Limit Set in the VGD Setpoints Screen with Service Level Access Low Limit Displays the Low Stall Detector Voltage Limit Set in the V...

Страница 51: ...de Open Close Hold or Auto Discharge Pressure Displays the Discharge Pressure Transducer reading Condenser Pressure Displays the Condenser Pressure Transducer value Head Pressure Displays the Head Pre...

Страница 52: ...ormed by Service Technician VGD Opening LED Illuminates when an open signal is being applied to the VGD VGD Closing LED Illuminates when a close signal is being applied to the VGD VGD 2 Stall Detector...

Страница 53: ...he Lag VGD position is greater than the Override Delta setpoint the VGD with the higher position is driven closed until it is within the allowed difference VGD Position Override is displayed as Contro...

Страница 54: ...0 1 VDC below the High Limit setpoint the High Limit setpoint is adjusted so that it is 0 1 VDC above the newly entered Low Limit value NAVIGATION Home Access Level Required Service Causes an instant...

Страница 55: ...en a calibration sequence is in progress Calibration Messages These are text messages which step the user through the calibration process and indicate its success or failure PROGRAMMABLE Start Calibra...

Страница 56: ...is 40 to 59 the valve is shown 50 open When actual position is 60 to 79 the valve is shown as 75 open Positions great er than 79 shown as full open Lead PRV Position Displays the position of the Lead...

Страница 57: ...ted PROGRAMMABLE Close Percentage This is the incremental amount that the Hot Gas Valve will be closed at 10 minute intervals after the HOLD period has elapsed Programmable 5 to 15 Default 5 Hold Peri...

Страница 58: ...t of the total single compressor surge events that have occurred within the last number of minutes displayed as the SURGE WINDOW TIME This value is reset when one or both compressors have shutdown Sur...

Страница 59: ...al compressor surge events detected over the lifetime of the chiller Surge Detected LED Illuminates for 5 seconds each time a dual compressor surge is detected Lead Compressor Identifies the compresso...

Страница 60: ...n the oldest minute is discarded and the number of surge events in the most recent minute is added thus providing a rolling count of the total surge events that have occurred in the last COUNT WINDOW...

Страница 61: ...al to the COUNT LIMIT If the SHUTDOWN setpoint is Enabled and the SURGE WINDOW COUNT exceeds the COUNT LIMIT at the completion of this period a safety shutdown is performed and Surge Protection Excess...

Страница 62: ...erformed and Surge Protection Excess Surge is displayed Surge Sensitivity Access Level Required SERVICE Allows the user to define the surge detection sensitiv ity Selectable over the range of 0 3 to 1...

Страница 63: ...d as the SURGE WINDOW TIME This value is reset when one or both compressors have shutdown Surge Window Count Displays the number of dual compressor surge events that have occurred in the last 15 to 12...

Страница 64: ...start ing This avoids surging during high head conditions NAVIGATION Home Access Level required VIEW Causes an instant return to the Home Screen Surge Access Level Required VIEW Causes an instant retu...

Страница 65: ...apacity control override takes effect Motor Current FLA Displays the percentage of maximum motor current delivered to the motor determined from the highest of the three phase Motor Currents Maximum Mo...

Страница 66: ...re Evaporator Pressure Over ride is in control Low LCHLT LCHLT low temperature Override is in control Load Limit Displays if any load limiting control is acting on the temperature control output to th...

Страница 67: ...Manual Increment setting Set Allows the service technician to set the selected PRV or HGBP to a desired position between 05 and 100 for testing Auto Returns the manually controlled PRV or HGBP back to...

Страница 68: ...his value to the programmed LCHLT Setpoint at the programmable LCHLT Setpoint Ramp Rate default 0 1 F second This keeps the chiller from undershooting setpoint excessively during pull down Any time th...

Страница 69: ...int Ramp Rate When the chiller is not running the Active Setpoint is set to Entering Chilled Liquid Temperature minus a programmable offset default 5 F but not adjusted LCHLT Setpoint Start Offset The...

Страница 70: ...of change of the Leaving Chilled Liq uid Temperature as X X F Minute Value displayed represents a five point rolling average obtained as fol lows After the first 3 minutes of chiller run time the Leav...

Страница 71: ...m Rate Time Setpoint to determine if the lead compressor is meeting the load requirement If the Delta T Rate is less than the pro grammed Minimum Rate Setpoint for a period equal to the Minimum Rate T...

Страница 72: ...ompressor If the de cision is made to shutdown the lag compressor while continuing to run the lead compressor a Soft Shut down is performed on the lag compressor Time Remaining Displays the time remai...

Страница 73: ...lockout is released With previous software versions a compres sor can be locked out only while it is shutdown Compressor Mode Access Level Required OPERATOR Allows the user to select Staged Single or...

Страница 74: ...t Oil Pressure Displays the pressure differential between the Pump oil pressure HOP transducer for compressor 1 and the common Sump oil pressure LOP transducer If this compressor is the lead compresso...

Страница 75: ...point or Target Oil Pressure Displays the oil pressure that compressor 2 Variable Speed Oil Pump is controlling to During the pre lube and for the first 15 seconds of System Run this is the Target Set...

Страница 76: ...essure derived from auto zeroing during compressor 2 Pre lube refer to auto zeroing explanation under the Compressor Screen If either transducer used to calculate this differential is out of range the...

Страница 77: ...il pressure setpoint that compressor 1 Variable Speed Oil Pump will control to during automatic speed control opera tion Range is 20 0 to 45 0 PSID Default 35 0 PSID Control Period Access Level Requir...

Страница 78: ...l in Digital Remote mode SC EQ communications interface in ISN BAS mode or a locally programmed value Operating Hours Individually indicates the total number of hours com pressor 1 and compressor 2 ha...

Страница 79: ...pressor Pulldown Time Access Level Required OPERATOR Sets the amount of time that the lead compressor pull down demand limit setpoint will be in effect Adjust able between 0 and 255 minutes Default 0...

Страница 80: ...s value could come from a 0 to 20 mA 4 to 20 mA 0 to 10 VDC or 2 to 10 VDC input in Analog Remote mode PWM sig nal in Digital Remote mode SC EQ communications interface in ISN BAS mode or a locally pr...

Страница 81: ...wer Factor Displays the relationship between the Input Power and the Supply kVA when the optional filter is installed PROGRAMMABLE None NAVIGATION Home Access Level Required VIEW Returns user to the H...

Страница 82: ...t as a percentage of the Full Load Amps FLA value Pulldown Demand Time Left Displays the time remaining in the programmed pull down period if the value is nonzero Output Voltage Displays the output vo...

Страница 83: ...d If this is the case then the Motor Voltage Rating above determines the maximum frequency as follows Motor Voltage Rating 2300 V 3300 V or 4160 V Output Frequency Rating 60 Hz or 50 Hz Full Load Amps...

Страница 84: ...er ID using the Motor Lube Acknowledge key This entry implies both motors were lubricated The date and time of this entry is automatically logged as the Date of Last Lubrication and Time of Last Lubri...

Страница 85: ...Motor Lube Acknowledge key A dia log box appears A red box highlights the first changeable location 3 Use the keys to scroll sequentially through the alphabet to enter letters or numbers Each time the...

Страница 86: ...own that occurs at 1400 operating hours since last lubrication The safety shutdown can be enabled or disabled per the customer s preference If enabled the safety shutdown will occur at the normal 1400...

Страница 87: ...could come from a 0 to 20 mA 4 to 20 mA 0 to 10 VDC or 2 to 10 VDC input in Analog Remote mode PWM sig nal in Digital Remote mode SC EQ communications interface in ISN BAS mode or a locally programme...

Страница 88: ...erature Displays the ambient temperature inside the VSD cabi net as reported by the VSD Converter Heatsink Temperature Displays the heatsink temperature of the converter as reported by the VSD Heatsin...

Страница 89: ...put in Analog Remote mode PWM sig nal in Digital Remote mode SC EQ communications interface in ISN BAS mode or a locally programmed value VSD Model Displays the VSD model as reported by the VSD logic...

Страница 90: ...Total Demand Distortion L1 L2 L3 Displays the 3 phase Current Total Demand Distortion TDD measurements RMS Supply Current L1 L2 L3 Displays the 3 phase RMS currents for each line Supply Contractor LE...

Страница 91: ...the motor This value is provided by the VSD Logic Board PRV Position Displays the present Pre rotation Vanes position as a value between 0 closed and 100 full open Motor Windings Temperature Displays...

Страница 92: ...installed no temperatures are displayed and the heading text and data boxes do not appear Vibration Displays the Shaft End and Opposite End vibration values The vibration values are not in any partic...

Страница 93: ...motors The Chiller Full Load Amps FLA is the total of compres sor 1 motor and compressor 2 motor FLA ratings with each motor having an equal FLA rating For ex ample if the Chiller FLA is 1600 amps th...

Страница 94: ...0 the Chiller Current is limited to 1120 amps If only one motor is running the Motor Current Limit see Motor Current Limit Setpoint above for that mo tor would be set to 100 and it would be allowed to...

Страница 95: ...vibration read ings if the optional Motor Monitoring system is in stalled on Motor 1 Motor 2 Details Access Level Required VIEW Displays the motor temperatures and vibration read ings if the optional...

Страница 96: ...Cycling Shut down Offset from the Leaving Chilled Liquid Tem perature Setpoint If this value is below the absolute minimum allowed shutdown temperature the mini mum value is displayed Restart Display...

Страница 97: ...at which the chiller will shut down on a LEAVING CHILLED LIQUID LOW TEMPERATURE cycling shutdown This is done by defining an offset below the Leaving Chilled Liquid Temperature setpoint It is programm...

Страница 98: ...Limit Setpoint in ANALOG remote mode If the remote signal is 0 10 VDC or 0 20 mA this set point must be programmed for 0 10 VDC If the remote signal is 2 10 VDC or 4 20 mA this setpoint must be progr...

Страница 99: ...uired SERVICE Displays R134a or R22 as set by position of SW1 1 On R134a Liquid Type Displays Water or Brine as set by position of SW1 2 Off Water Chilled Liquid Pump Operation Access Level Required S...

Страница 100: ...24 Hr Access Level Required OPERATOR Allows the user to specify the format in which the time will be presented to the user This setpoint will affect the display of the time on the chiller panel and o...

Страница 101: ...y of the week up to 6 weeks in advance At the end of each week the schedule for the next week is created by combining the standard week definition and the next defined exception week The schedule is t...

Страница 102: ...equired OPERATOR Deletes all programming for exception days within the next 6 weeks Repeat Sunday Access Level Required OPERATOR Duplicates the schedule defined for Sunday for the re mainder of the st...

Страница 103: ...og box appears during the selection pro cess The selected language will not be displayed un til after the user navigates from the USER Screen to another Screen Available languages are English Tra diti...

Страница 104: ...his allows the user to specify up to four 4 Custom User Access Levels Each Access Level will then re quire a corresponding Password and User ID Service Technicians refer to Service Manual Form 160 79...

Страница 105: ...ss Level Required OPERATOR Pressing this 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...

Страница 106: ...tart Time Access Level Required OPERATOR Set the time at which scheduled print logs will begin Output Interval Access Level Required OPERATOR Define the interval at which log printing will occur be tw...

Страница 107: ...SECTION 2 OPTIVIEW CONTROL CENTER FORM 160 79 O3 ISSUE DATE 11 09 2018 2 NAVIGATION Home Access Level Required VIEW Causes an instant return to the Home screen Setup Access Level Required VIEW Return...

Страница 108: ...er under which the chiller was sold Panel Serial Number Factory defined serial number for the micropanel Chiller Serial Number Factory defined serial number for the chiller system Condenser and Evapor...

Страница 109: ...SECTION 2 OPTIVIEW CONTROL CENTER FORM 160 79 O3 ISSUE DATE 11 09 2018 2 NAVIGATION Home Access Level Required VIEW Causes an instant return to the Home screen Setup Access Level Required VIEW Return...

Страница 110: ...cess Level Required ADMIN to Change Displays the total accumulated run time of the chiller Edit Phone Numbers Access Level Required SERVICE to Change The Local service phone number is displayed as the...

Страница 111: ...condenser water flow The paddle type flow sensors when closed apply 115 VAC to I O Board digital inputs on terminal TB4 12 evaporator and TB4 11 condenser The factory mounted thermal type flow sensors...

Страница 112: ...he date and time and the de scription of the last normal shutdown A normal shut down is defined as Local Start Key on Home screen Remote Digital Analog or ISN Last Fault While Running This window disp...

Страница 113: ...alue of select chiller parameters at the time of the associated shutdown Trending Access Level Required VIEW Causes a move to a subscreen allowing the user to view trending data on selected chiller pa...

Страница 114: ...is the on screen printout of the system parameters PROGRAMMABLE Page Up Access Level Required VIEW Scroll up in the displayed data if applicable Page Down Access Level Required VIEW Scroll down in th...

Страница 115: ...the setpoint motor evapora tor condenser and so on Setpoint Displays the setpoint that was changed New Value Displays the value that was entered at the time of the setpoint change PROGRAMMABLE Log En...

Страница 116: ...changed Time Displays the time the setpoint was changed Date Displays the date the setpoint was changed Access Level Displays the Login Access Level used to make the setpoint change User ID Displays t...

Страница 117: ...ice call the display can be cleared or the parameters can be left there for monitoring by operations personnel DISPLAY ONLY None PROGRAMMABLE Print Access Level Required VIEW This generates a listing...

Страница 118: ...n box around Custom Slot 1 If it is desired to change an already entered pa rameter use the 5 and 6 keys to place the selection box around the slot number to be changed With the selection box around t...

Страница 119: ...l minimum for that parameter the value will be plotted at the mini mum value Similarly if the actual value is greater than the Y Axis label maximum for that parameter the value will be plotted at the...

Страница 120: ...ning Print Access Level Required VIEW Allows the data on the trend screen to be printed in tabular format If set to EXISTING a snapshot of the data presently on the screen is sent to the printer If se...

Страница 121: ...ERVAL or the interval at which the parameter is sampled This interval is pro grammable over the range of 1 second to 3600 seconds 1 hour in one second increments The selected inter val not only determ...

Страница 122: ...een 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 must be set to zero 0 Zero indicates the OFF state Data Point Max 1 6 A...

Страница 123: ...rigger delay per the selected Trigger 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 Trigge...

Страница 124: ...lection 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 the delay...

Страница 125: ...Numbers into Data Points 1 through 6 Requires a login access level of OPERA TOR or higher DISPLAY ONLY Slot Numbers These are the slot numbers of the most commonly used parameters PROGRAMMABLE Page Do...

Страница 126: ...gh Speed Thrust Bearing Proximity Differential COMPRESSOR 2 18441 Discharge Temperature 18442 Discharge Superheat 18433 Discharge High Pressure Switch 18465 Discharge Valve 18464 Discharge Valve Close...

Страница 127: ...urrent RMS 18849 VSD 2 DC Bus Voltage AU 18850 VSD 2 DC Bus Voltage AL 18851 VSD 2 DC Bus Voltage BU 18852 VSD 2 DC Bus Voltage BL 18853 VSD 2 DC Bus Voltage CU 18854 VSD 2 DC Bus Voltage CL 18771 VSD...

Страница 128: ...elube duration is either 50 seconds or 180 seconds as configured with a Microboard Program Switch The Pre lube duration must never be changed by anyone other than a qualified Service Technician The st...

Страница 129: ...old the Vanes begin closing until the current falls to the stop close threshold Automatic Vane opera tion is resumed and this message automatically clears when the motor current decreases to the allo...

Страница 130: ...n A complete 150 second Coastdown is performed when after the inhibit is released VANES 1 MOTOR SWITCH OPEN The chiller both compressors is inhibited from start ing because the Pre rotation Vanes of c...

Страница 131: ...the VGD is in Manual control mode While the VGD is fully closed position is 0 VGD Limit Switch closed While the Pre rotation vanes position is greater than the PRV VGD INHIBIT Setpoint WARNING CONDITI...

Страница 132: ...WARNING OIL PUMP 2 SEAL LUBRICA TION LOW PRESSURE Aminimum of 15 PSID of oil pressure was not achieved in the first 30 seconds of the seal lubrication cycle or it dropped below this value during the...

Страница 133: ...safety shut down threshold The Safety threshold in Brine applica tions is determined by the Brine solution and is deter mined by the YORK Factory While this condition is in effect the Pre rotation Va...

Страница 134: ...sure that is in range 6 74 PSIG and the Stall Transducer is installed and its output is 0 5VDC Routine Shutdown Messages REMOTE STOP A shutdown command has been received from a re mote device Remote S...

Страница 135: ...CM contacts open to initiate the shutdown The LED will remain illuminated and the contacts will remain open until the Reset button on the CM 2 board is pressed The chiller will automatically restart...

Страница 136: ...essors If the Chiller is running when this occurs the Pre rotation Vanes on the running compressors are driven fully closed prior to shutting down the chiller The chiller will automati cally restart a...

Страница 137: ...his occurred the Pre ro tation vanes of the running compressors are driven ful ly closed prior to shutting down the chiller The chiller will be allowed to restart when the valve closed end switch clos...

Страница 138: ...d and has shutdown the chiller because the evaporator temperature has been below the Smart Freeze threshold for greater than the allowable number of seconds If the Evaporator Refrigerant Temperature s...

Страница 139: ...both compressors has shutdown because the discharge temperature of compressor 1 as sensed by thermistor RT2 has increased to 220 0 F The chiller can be started after the temperature decreases to 220...

Страница 140: ...iller both compressors has shutdown be cause compressor 2 Discharge Valve did not fully open as indicated by the closure of the valve opened end switch within 40 seconds of receiving the open command...

Страница 141: ...in creased to 90 0 PSID This fault is only checked if both the compressor 2 Pump transducer and the Sump transducer are in range The chiller can be started after the differential is 90 0 PSID and the...

Страница 142: ...The chiller can be started after the Operator presses the Clear Faults button OIL PUMP 2 SETPOINT NOT ACHIEVED The chiller both compressors has shutdown because compressor 2 differential oil pressure...

Страница 143: ...ause the chiller to trip The clearance is only checked during the last 20 sec onds of System Prelube during System Run and during Coastdown Therefore the fault is only de tected during those periods A...

Страница 144: ...ts on the locked out compressor The condition must be corrected prior to the lockout being removed from the compressor If it is not the warning condition will revert back to a shut down as soon as the...

Страница 145: ...gged as the Date of Last Motor Lubrication and Time of Last Motor Lubrication It also resets the Operating Hours Since Last Lubrication to zero The date this warning occurs is stored as the Date of La...

Страница 146: ...JOHNSON CONTROLS 146 FORM 160 79 O3 ISSUE DATE 11 09 2018 SECTION 2 OPTIVIEW CONTROL CENTER THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 147: ...7 Sales Order on Page 154 Figure 58 History on Page 156 Figure 59 Security Log on Page 158 Figure 60 Trend on Page 158 Figure 61 CUSTOM Screen on Page 158 CONTROL CENTER SETUP Automatic Data Logging A...

Страница 148: ...teps required to save a file to their PC using the desired program The following additional RS232 connections are used to wire up serial devices for desktop and laptop computers RS 232 PIN ASSIGNMENTS...

Страница 149: ...2 COMMUNICATIONS BLOCK DIAGRAM LD14492B A serial cable to go from the OptiView Control Panel to the serial port is available from the parts center P N 075 90490 230 BLACK RED WHITE GREEN DRAIN A A VIE...

Страница 150: ...Sump Oil Pressure LOP 75 8 Psig Pump Oil Pressure HOP 124 6 Psig Oil Pressure 47 8 Psid Oil Sump Temperature 150 0 F Oil Heater Off If Mod D Chiller or higher Oil Return Solenoid Off If Mod D Chiller...

Страница 151: ...Phase B Heatsink Temperature If TMIII VSD 99 F Phase C Heatsink Temperature If TMIII VSD 97 F Baseplate Temperature If VyperDrive VSD 106 F FIGURE 54 SAMPLE PRINTOUT STATUS CONT D Skip the following s...

Страница 152: ...Evaporator Leaving Chilled Local Setpoint 45 0 F Leaving Chilled ISN Setpoint 45 0 F Leaving Chilled Modem Setpoint 45 0 F Leaving Chilled Analog Setpoint 45 0 F Leaving Chilled Digital Setpoint 45 0...

Страница 153: ...Mod B SSS Liquid Cooled Solid State Starter Local Motor Current Limit 100 Remote ISN Current Limit 100 Remote Analog Current Limit 100 Remote Digital Current Limit 100 Remote Modem Current Limit 100 P...

Страница 154: ...P OFF 13 APR 1999 START 8 00 AM STOP 10 00 PM Figure 57 SAMPLE PRINTOUT SALES ORDER YORK SALES ORDER CHILLER ID 3 1997 1999 YORK INTERNATIONAL CORPORATION MON 29 MAR 1999 1 28 PM ORDER INFORMATION COM...

Страница 155: ...11 09 2018 3 NAMEPLATE INFORMATION MOTOR CODE POWER VOLTS PHASES FREQUENCY HZ LOOKED ROTOR AMPS FULL LOAD AMPS INRUSH AMPS SYSTEM INFORMATION REFRIGERANT TONS GEAR CODE LIQUID TYPE BRINE PERCENT KILOW...

Страница 156: ...id Off If Mod D Chiller or higher Oil Sump Oil Pump Run Output Off Sump Oil Pressure LOP 75 8 Psig Pump Oil Pressure HOP 76 6 Psig Oil Pressure 0 0 Psid Oil Sump Temperature 150 0 F Oil Heater Off If...

Страница 157: ...D 93 F Phase B Heatsink Temperature If TMIII VSD 99 F Phase C Heatsink Temperature If TMIII VSD 97 F Baseplate Temperature If VyperDrive VSD 106 F Skip the following section if Motor Type is not VSD o...

Страница 158: ...TION 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 Entry 2 C...

Страница 159: ...elsius 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 Effe...

Страница 160: ...m Pennsylvania USA 17349 800 861 1001 Subject to change without notice Printed in USA Copyright by Johnson Controls 2018 www johnsoncontrols com ALL RIGHTS RESERVED 160 79 O3 1118 Issue Date November...

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