Trane IntelliPak CGAF Series Programming, Troubleshooting Manual Download Page 50 | Manualshive

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Trane IntelliPak CGAF Series Programming, Troubleshooting Manual Download Page 50

50

System Testing & Troubleshooting

DIAGNOSTIC DISPLAYED

REASON FOR DIAGNOSTIC

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REACTION

RESET REQUIRED

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«
...
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49
50
51
52
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»

Summary of Contents for IntelliPak CGAF Series

Page 1: ...ooting Guide Library Service Literature Product Section Refrigeration Product Hermetic Scroll Liquid Chillers Air Cooled Model CG Literature Type Programming Trouble Shooting Guide Sequence 01B Date J...

Page 2: ...to 6 sections Each section pro vides the operator with specific information about the sys tem operating parameters and their related screens By carefully following the screen layout within this manual...

Page 3: ...igerant Ckt 1 Suction and Liquid Line Temperatures 19 Compressor Module Ckt 2 Saturated Condenser Temperature 19 Refrigerant Ckt 2 Suction and Liquid Line Temperatures 20 Temp Measured by Sensor Conne...

Page 4: ...elay 41 Index 65 Hot Operation Response Option 24 Pumpdown Function Enable Disable 24 Default Chiller Solution Pump Mode 24 Evap Soln Pump Off Delay Time 25 Loop Stabilization Time 25 Low Ambient Comp...

Page 5: ...Stock Unit 5 575 50 3 Digit 12 Agency Approval Field Installed Options 9 380 50 3 0 None Factory or Field Installed Option D 415 50 3 1 UL CSA Available on Pack Stock Units S Special Unit Nameplate O...

Page 6: ...ection Comm3 Trane proprietary network communication protocol Comm5 Trane s implementation of LonTalk an open network communication protocol Chilled Solution Temperature Reset A function that shifts t...

Page 7: ...he unit and accepts external setpoints in form of ana log inputs 0 5 DCV or 0 10 DCV depending on the mod ule selected and a binary Input for demand limit Five 5 binary outputs are available on 0 5 DC...

Page 8: ...rface HI Module illustrated in Figure 1 is the device which enables the customer building owner or contractor to communicate to the unit the necessary pa rameters for unit operation The local unit mou...

Page 9: ...diagnostic infor mation it will revert back to the operating status display CONFIGURATION Key Pressing the CONFIGURATION key will cause the LCD screen to display the first of the configuration screens...

Page 10: ...hoices On or Off at each edit point Minus Key This key when viewing the setpoint screen will decrease the temperature or pressure value of the setpoint When view ing the setup or service test screens...

Page 11: ...ionPump _____ Unit On If the unit has entered an operating state running the following display will appear on the Human Interface LCD screen When this screen is being displayed the only functional key...

Page 12: ...34 SETPOINTS Use Leaving Solution Setpoint From HI STP Menu 34 SETPOINTS Use Ice Building Terminate Setpoint From HI STP Menu 34 SETPOINTS Use Hot Start Load Limit Setpoint From HI STP Menu 35 SETPOIN...

Page 13: ...Low Press Control Open Ckt 2 40 60 Ton 29 SETUP GBAS 0 5 VDC Binary Output 3 Definition Indicate Unit at Max capacity 29 SETUP GBAS 0 5 VDC Output 3 Alarm Assignments Any active diagnostic 29 SETUP GB...

Page 14: ...ge at 0 PSIG 0 118 V 32 SETUP Ckt 2 Suction Line Pressure Transducer voltage at 100 PSIG 4 847 V 32 SETUP Ckt 1 Liquid Line Pressure Transducer voltage at 0 PSIG 0 118 V 32 SETUP Ckt 1 Liquid Line Pre...

Page 15: ...n will appear if the PASSWORD is not entered within approximately 15 seconds 1 Press the NEXTkey until the following screen is displayed 2 Press the or keys in this sequence to access this restricted...

Page 16: ...splay Description 1 Press the NEXT key to scroll forward through the status screens 2 Press the PREVIOUS key to scroll backwards to view previously displayed status screens 3 Press the Plus key while...

Page 17: ...key until the following screen is displayed The following three screens are applicable when Superheat Subcool Module is installed Used on Units With superheat subcool module Possible Values 40 to 200...

Page 18: ...ts Used on Units 40 60 Ton Units with Current Sensing Module Possible Values 0 255 1 Press the NEXT key until the following screen is displayed Used on Units 40 60 Ton Units with Current Sensing Modul...

Page 19: ...t Gas Bypass Control Relay OFF End Of Sub Menu NEXT To Re enter STATUS CGM Ice Building Control Relay ON Setpoint Value Measured CGM Ext Leaving Soln STP Input is 44 0 F MCM Heat Tape Control Relay OF...

Page 20: ...llowing screen is displayed Used on Units All Units Possible Values 40 0 to 200 F 1 Press the NEXT key until the following screen is displayed Used on Units All Units Possible Values 40 0 to 200 F 1 P...

Page 21: ...low No Flow 1 Press the NEXT key until the following screen is displayed Used on Units All Units with Superheat Subcooling Possible Values Suction 0 0 to 100 0 PSIG Liquid 0 0 to 400 0 PSIG Comp Off 1...

Page 22: ...gned 2 Press the NEXT key to display Generic BAS Binary Output Indicate any comp is running screens 2 3 4 5 Indicate unit at max capacity 3 Press the NEXT key to advance to the following screen Indica...

Page 23: ...ure Ckt2 liquid line pressure Ckt1 saturated condenser temp Ckt1 sat liquid temperature Ckt2 saturated condenser temp Ckt2 sat liquid temperature Ckt1 suction temperature ICS Defined temperature Ckt2...

Page 24: ...30 min utes without a key being pressed the LCD screen will revert to the appropriate power up display If this happens press the SETUP key again to return to the setup menu 1 Press the SETUPkey to di...

Page 25: ...s the ENTER key to confirm this choice 3 Press the NEXT key until the following screen is displayed Used on Units All Units Possible Values 50 Capacity per ckt Auto Reset Diag 1 Press the or key until...

Page 26: ...to confirm this choice Possible Values 3 Press the NEXT key to advance the cursor to the End Temp Reset Type Outside Air Temp Reset 4 Press the or key until the proper value is displayed Zone Temp Re...

Page 27: ...360Min 3 PresstheNEXTkeyuntil thefollowingscreenisdisplayed PossibleValues 30to1410Minutes 1 PressingtheNEXTkeywill displaythebeginningof theSubmenu 2 PresstheNEXTkeyagaintoadvancetothefollowingscree...

Page 28: ...advance to the following screen This screen is displayed when GBAS 0 5 VDC Module is installed 1 To view the factory preset or to modified the factory presets to meet specific application requirement...

Page 29: ...one Temp Sensor Failure Low Soln Cutout Temp Man Ckt 1 Pumpdown Terminated by Time Low Soln Cutout Temp Auto Ckt 2 Pumpdown Terminated by Time Low Press Control Open Ckt 1 Comp Contactor Fail Ckt 1 Lo...

Page 30: ...ues Not Assigned 4 Press the NEXT key to display Generic BAS Analog Input Leaving Solution Setpoint 2 screen Ice Build Terminate Setpoint 5 Press the or key until the proper value is displayed Hot Sta...

Page 31: ...mperature 8 Press the NEXT key to advance to the following screen ICS Defined Temperature Leaving Solution Temperature Outside Air Temperature 1 Pressing the NEXT key will display the beginning of the...

Page 32: ...55 Seconds 1 Press the or key until the proper value is displayed 2 Press the ENTER key to confirm this choice 3 Press the NEXT key until the following screen is displayed Used on Units 40 60 Ton Unit...

Page 33: ...screen is displayed Used on Units 40 60 Ton With Superheat Subcooling Possible Values 0 PSIG 0 000 to 4 000 VDC 400 PSIG 1 000 to 5 000 VDC 1 Press the or key until the proper value is displayed 2 Pre...

Page 34: ...le Values Proport Bias 0 to 400 Max Cy Rate 1 5 to 20 0 cph 1 Press the or key until the proper value is displayed 2 Press the ENTER key to confirm this choice 3 Press the NEXT key to advance the curs...

Page 35: ...lues 0 to 45 0 F Note Maximum setting may be limited by Hi Leaving 1 Press the or key until the proper value is displayed Solution Setpoint 2 Press the ENTER key to confirm this choice 3 Press the NEX...

Page 36: ...e proper value is displayed GBAS 0 10VDC Module 2 Press the ENTER key to confirm this choice 3 Press the NEXT key until the following screen is displayed Used on Units With GBAS5V or GBAS10V Possible...

Page 37: ...this choice 3 Press the NEXTkey until the following screen is displayed UsedonUnits All Units Possible Values 51 65 F 40 50 F 30 39 F 20 29 F Special 1 Press the or key until the proper value is displ...

Page 38: ...reens is displayed Used on Units 20 to 30 Ton Units Possible Values 1 0 or Greater OR Used on Units 40 to 60 Ton Units Possible Values 1 0 or Greater 1 Press the NEXT key until the following screen is...

Page 39: ...reater 1 Press the NEXT key until the following screen is displayed Used on Units With TCI or LCI Module Possible Values Comm3 with TCI module Comm5 with LCI module 1 Pressing the NEXT key will return...

Page 40: ...splayed Used on Units With Hot Gas Bypass Option Possible Values On Off 1 Press the or key until the proper value is displayed 2 Press the ENTER key to confirm this choice 3 Press the NEXT key until t...

Page 41: ...ues On Off Auto 1 Press the or key until the proper value is displayed 2 Press the ENTER key to confirm this choice 3 Press the NEXT key to advance the cursor to the 1B 4 Press the or key until the pr...

Page 42: ...ption Possible Values 0 0 to 10 0 VDC 1 Press the or key until the proper value is displayed 2 Press the ENTER key to confirm this choice 3 Press the NEXT key to advance the cursor to the 2 Output 4 P...

Page 43: ...es this screen will be displayed at the unit mounted Human Interface and at the remote mounted Human Interface if installed Used on Units All Units Note There is no time out period when the unit is op...

Page 44: ...ic the words NOT VIEWED change to VIEWED for every diagnostic in the log The diagnostic will remain this way as long as it is in the log This allows the operator to distinquish between old and new dia...

Page 45: ...t Is InReset Mode Active Diagnostic Manual Reset More OR Pressing the NEXT key to view the diagnostics will prompt the UsedonUnits All Units following screen if an AUTORESET failure has occurred The w...

Page 46: ...ill display the following screen Used on Units All Units Possible Values Plus and Minus 1 Press the Plus or Minus keys to enter the password 2 Press the ENTER key to confirm this choice When the corre...

Page 47: ...on the link Check Wiring between Unit Mounted Local Human Interface and CGM Verify crimping of communications wiring There should be no loose connections or crimps on wire insulation If a Remote HI wa...

Page 48: ...830 ohms 200 F and 345 7Kohms 40 F If so check field unit wiring between Sensor and CGM The unit is reading a signal that is out of range for the Outside Air Temperature sensor input on the CGM Temp 4...

Page 49: ...for information only INFO This diagnostic is reset when a compressor on Circuit 2 is staged on due to a cooling demand Compressor Contactor Fail Circuit 1 Problem The Compressor Contactor for Circuit...

Page 50: ...d open continuously for more than 3 seconds when either or both compressor outputs on Circuit 1 are energized as described in the Compressor Protection function A Lockout Circuit 1 request is issued t...

Page 51: ...r monitoring purposes only and does not affect unit operation This diagnostic is for information only PAR An automatic reset occurs after communication has been restored Emergency Stop Problem The Eme...

Page 52: ...MR A manual reset is required after this diagnostic occurs The Diagnostic can be reset by the unit mounted Human Interface Module or Tracer or by cycling power to the CGM Evaporator Leaving Solution T...

Page 53: ...ftware Verison number less than what is required A Lockout all Circuit request is issued to the compressor staging function Compressor Relays LPC Bypass Relays Liquid Line Solenoid Relays and HGBP rel...

Page 54: ...put Fail Problem CGM is receiving an External Leaving Solution Setpoint LSS Input signal which is out of range Check field unit wiring between CGM and External Leaving Solution Setpoint potentiometer...

Page 55: ...function in the GBAS module will cause all GBAS outputs to be zeroed and de energized PAR An automatic reset occurs after communication has been restored GBAS 0 5VDC Module Comm Failure Problem The CG...

Page 56: ...is too hot Hot Operation Response is set to SHUT OFF COMPRESSORS MANUAL RESET DIAG The Leaving Solution Temp exceeded the Hot Start Load Limit Setpoint after the Hot Start Time Interval expired A lock...

Page 57: ...blem The designated Leaving Solution Setpoint is out of range If either GBAS module is designated as the Leaving Solution Setpoint source verify that GBAS module has this input assigned to one of it s...

Page 58: ...ll deenergize the following Compressor Relays LPC Bypass Relays Liquid Line Solenoids and HGBP Relay PAR An automatic reset occurs after the Evaporator Solution Temperature s rises 4 deg F or more abo...

Page 59: ...nit operation The active Leaving Solution Setpoint is set to the Leaving Solution Cutout Temperature Setpoint plus the calculated Minimum Differential value PAR An automatic reset occurs after the dif...

Page 60: ...communication has been restored Suction Temp Sensor Fail Circuit 1 Problem Circuit 1 Suction Line Temp sensor input is out of range Check Sensor resistance between 830 ohms 200 F and 345 7Kohms 40 F I...

Page 61: ...2 Suction Line Temperature sensor input is out of range Check Sensor resistance between 830 ohms 200 F and 345 7Kohms 40 F If not check field unit wiring between Sensor and MCM The Superheat Subcool M...

Page 62: ...the network Check Network Tracer or 3rd party has been designated as setpoint building control panel is powered up source local HI default and running properly If so check unit setpoints will be used...

Page 63: ...ure ICS Relay Current Sensing Compressor A Phase A None None None Module CSM Compressor A Phase B Compressor B Phase A Compressor B Phase C Compressor C Phase B Compressor C Phase C Compressor D Phase...

Page 64: ...rprocessor None None None None Communications Bridge IPCB Module Multiple Compressor Evap Suction Temperature Condenser Fan Speed Compressor Proving Ckt 1 Compressor Relay K11 Module MCM Ckt 1 Low Amb...

Page 65: ...S BINARY OUTPUTS Superheat Subcool Liquid Pressure Ckt 1 None None None Module SSM Liquid Pressure Ckt 2 Suction Pressure Ckt 1 Suction Pressure Ckt 2 Trane Communication None None None None Interface...

Page 66: ...Summary 62 N NEXT Key 9 No Configuration 7 non Trane building control systems See Generic BAS Module Symbols Plus Key 9 Plus Key 10 See Data Manipulation Keys Minus Key 9 Minus Key 10 See Data Manipul...

Page 67: ...tpoint Source Selection 34 SETPOINTS Key 8 SETUP Menu 23 SETUP Key 8 STATUS Key 8 STATUS Menu 15 STOP Key 9 Superheat Subcooling Module 6 T TEST START Key SERVICE 9 Trane Communications Interface Modu...

Page 68: ...68...

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