Carrier 19XRV Start-Up, Operation And Maintenance Instructions Manual
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Carrier 19XRV Start-Up, Operation And Maintenance Instructions Manual

19xrv pic iii control hermetic centrifugal liquid chillers
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19XRV PIC III Control
Hermetic Centrifugal Liquid
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Start-up, operation and maintenance instructions

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Summary of Contents for Carrier 19XRV

  • Page 1 19XRV PIC III Control Hermetic Centrifugal Liquid Chillers Start-up, operation and maintenance instructions...

  • Page 2: Table Of Contents

    ContentS 1 - SAFetY ConSIDeRAtIonS ............................... 4 1.1 - Equipment and components under pressure ........................5 1. - Maintenance safety considerations ............................5 2 - IntRoDUCtIon ..................................6 .1 - Light emitting diodes on boards ............................. 6 . - Abbreviations and explanations ............................. 6 .3 - Control panel ....................................
  • Page 3 7.6 - Control test .................................... 56 8 - ContRoL MoDULeS ................................69 AppenDIX - 19XRV LIQUIFLo™ 2 ICVC pARAMeteR InDeX ................70 the cover image is for illustrative purposes only and is not part of any offer for sale or contract.

  • Page 4: Safety Considerations

    DO NOT USE air to leak test. Use only refrigerant or dry those cited herein should comply with the applicable nitrogen. codes. Contact Carrier for further information on use of this machine with other refrigerants. NEVER EXCEED specified test pressures. VERIFY the allowable test pressure by checking the instruction DO NOT ATTEMPT TO REMOVE fittings, covers, etc.,...

  • Page 5: Equipment And Components Under Pressure

    Global Warming Potential (GWP): 1300 These products incorporate equipment or components Periodic inspections for refrigerant leaks may be under pressure, manufactured by Carrier or other manufa- required depending on European or local legislation. cturers. We recommend that you consult your appropriate Please contact your local dealer for more information.

  • Page 6: Introduction

    2 - INTRODUCTION CAUTIONS DO NOT STEP on refrigerant lines. Broken lines can Prior to initial start-up of the 19XRV unit, those involved in the start-up, operation, and maintenance should be whip about and release refrigerant, causing personal thoroughly familiar with these instructions and other injury.

  • Page 7: Control Panel

    Factory-installed additional components are referred to as options in this manual; factory-supplied but field-installed additional components are referred to as accessories. The chiller software part number of the 19XRV unit is located on the back of the ICVC. 2.3 - Control panel The control panel is the user interface for controlling the chiller.

  • Page 8: Refrigeration Cycle

    2.5 - Refrigeration cycle 2.6 - Motor/oil refrigeration cooling cycle The compressor continuously draws refrigerant vapour The motor and the lubricating oil are cooled by liquid refrigerant taken from the bottom of the condenser vessel from the cooler at a rate set by the amount of guide vane (Fig.

  • Page 9: Unit-Mounted Vfd

    The oil pump discharges oil to the oil filter assembly. This filter can be closed to permit removal of the filter without The 19XRV chiller is equipped with a variable-frequency draining the entire oil system. The oil is then piped to the drive motor controller mounted on the condenser.
  • Page 10 Fig. 2 - Lubrication system Oil supply to forward Rear motor bearing Forward motor bearing high speed bearing Labyrinth gas line Motor cooling line Oil filter Isolation valve Oil pump Filter Pressure Isolation TXV bulb transducer valves Sight glass Oil cooler Oil heater Eductor Filter...

  • Page 11: Controls

    The PIC III controls provide critical protection for the compressor motor and control the VFD. The PIC III can interface with the Carrier Comfort Network (CCN) system if desired. It can communicate with other PIC I, PIC II, or PIC III equipped chillers and...
  • Page 12 3.3.2 - Chiller Control Module (CCM) 3.3.8 - Sensors This module is located in the control panel. The CCM The PIC III control determines refrigerant temperature in provides the input and outputs necessary to control the the condenser and evaporator from pressure in those vessels, chiller.

  • Page 13: Icvc Operation And Menus

    3.3.9 - Flow detection If water-side differential pressure transducers are used, Flow detection for the evaporator and condenser is a flow is detected from differential pressure between sensors required condition for start-up and used in the freeze (pressure transducers) located in water inlet and outlet protection safety.

  • Page 14: Alarms And Alerts

    4.2 - Alarms and alerts 4.3 - ICVC menu items An alarm shuts down the compressor. An alert does not To perform any of the operations described below, the PIC shut down the compressor, but it notifies the operator that III must be powered up and have successfully completed an unusual condition has occurred.
  • Page 15 Fig. 5 - 19XRV Chiller display menu structure (ICVC) DEFAULT SCREEN LOCAL RESET MENU (SOFTKEYS) Start Chiller in CCN Control Start Chiller in Local Control Clear Alarms Access Main Menu STATUS SCHEDULE SETPOINT SERVICE List the Status (ENTER A 4-DIGIT PASSWORD) (VALUES SOWN AT FACTORY DEFAULT)
  • Page 16 Fig. 6 - 19XRV Service menu structure SERVICE TABLE NEXT PREVIOUS SELECT EXIT ALARM HISTORY ALERT HISTORY Display alert history (The table holds up to 25 alerts Display alarm history with the most recent alert at the (The table holds up to 25 alarms top of the screen.)
  • Page 17 Fig. 6 - 19XRV Service menu structure (continued) Service menu continued from previous page VFD CONFIG DATA EQUIPMENT SERVICE (ENTER A 4-DIGIT PASSWORD) (VALUES SOWN AT FACTORY DEFAULT) Service Tables: • OPTIONS Service Tables: • SETUP1 • VFD (STARTER) CONFIG PASSWORD •...

  • Page 18: Basic Icvc Operations (Using The Softkeys)

    4.4 - BASIC ICVC OPERATIONS (using the softkeys) 4.4.1 - to view status (Fig. 7) The MAINSTAT table shows the actual value of overall To perform any of the operations described below, the PIC chiller status such as CONTROL MODE, RUN STATUS, III must be powered up and have successfully completed AUTO CHILLED WATER RESET and REMOTE its self test.
  • Page 19 4.4.2 - override operations 4.4.3 - time schedule operation (Fig. 8) On the Menu screen, press SCHeDULe. to override a Value or Status From any point status screen, press neXt or pRe- STATUS SCHeDULe SETPOINT SERVICE VIoUS to highlight the desired value. Press neXt or pReVIoUS to highlight the desired neXt pReVIoUS...
  • Page 20 4.4.5 - Service operation Either return to Step 4 to select another period or override, or press eXIt again to leave the current To view the menu-driven programs available for Service time schedule screen and save the changes. Operation, see Service Operation section, page 49. For examples of ICVC display screens, see Table 3.
  • Page 21 Pressure PIC III Product Integrated Controls III reference CCN/BS documentation or use CCN/BS Solid State programs. For more information, see the 19XRV CCN Temperature Variable Frequency Drive literature. Water System Manager Example 1 - Chiller display default screen The following data is displayed in the Default screen.
  • Page 22 Table 3 - ICVC display data (continued) Example 2 - MAINTSTAT display screen To access this display from the ICVC default screen: Press MenU. Press StAtUS (MAInStAt will be highlighted). Press SeLeCt. DESCRIPTION STATUS UNITS POINT Control Mode NOTE 2 NOTE 2 MODE Run Status...
  • Page 23 Table 3 - ICVC display data (continued) Example 4 - COMPRESS display screen To access this display from the ICVC default screen: Press MenU. Press StAtUS. Scroll down to highlight CoMpReSS. Press SeLeCt. DESCRIPTION STATUS UNITS POINT Actual VFD Speed 0.0 to 100.0 VFD_ACT **Target VFD Speed...
  • Page 24 Table 3 - ICVC display data (continued) Example 6 - POWER display screen To access this display from the ICVC default screen: Press MenU. Press StAtUS. Scroll down to highlight poWeR. Press SeLeCt. DESCRIPTION STATUS UNITS POINT Percent Line Current 0 to 999 LNAMPS_P Average Line Current...
  • Page 25 Table 3 - ICVC display data (continued) Example 7 - VFD_STAT display screen To access this display from the ICVC default screen: Press MenU. Press StAtUS. Scroll down to highlight VFD_StAt. Press SeLeCt. DESCRIPTION STATUS UNITS POINT VFD Fault Code 0 to 272 VFD_FLT Single Cycle Dropout...
  • Page 26 Table 3 - ICVC display data (continued) Example 9 - SETPOINT display screen To access this display from the ICVC default screen: Press MenU. Press SetpoInt. Press SeLeCt. DESCRIPTION STATUS UNITS POINT DEFAULT Base Demand Limit 40 to 100 Control Point Source - LCW Setpoint -12 to 49 °C...
  • Page 27 Table 3 - ICVC display data (continued) Example 11 - OVERRIDE display screen To access this display from the ICVC default screen: Press MenU. Press SeRVICe. Scroll down to highlight ContRoL ALGoRItHM StAtUS. Press SeLeCt. Scroll down to highlight oVeRRIDe. DESCRIPTION STATUS UNITS...
  • Page 28 Table 3 - ICVC display data (continued) Example 13 - VFD_HIST display screen To access this display from the ICVC default screen: Press MenU. Press SeRVICe. Scroll down to highlight ContRoL ALGoRItHM StAtUS. Press SeLeCt. Scroll down to highlight VFD_HISt. DESCRIPTION STATUS UNITS...
  • Page 29 Table 3 - ICVC display data (continued) Example 14 - WSMDEFME display screen To access this display from the ICVC default screen: Press MenU. Press SeRVICe. Scroll down to highlight ContRoL ALGoRItHM StAtUS. Press SeLeCt. Scroll down to highlight WSMDeFMe. DESCRIPTION STATUS UNITS...
  • Page 30 Table 3 - ICVC display data (continued) Example 16 - VFD_CONF display screen To access this display from the ICVC default screen: Press MenU. Press SeRVICe. Scroll down to highlight VFD ConFIG DAtA. Press SeLeCt. Scroll down to highlight VFD_ConF. DESCRIPTION STATUS UNITS...
  • Page 31 Table 3 - ICVC display data (continued) Example 18 - SETUP1 display screen To access this display from the ICVC default screen: Press MenU. Press SeRVICe. Scroll down to highlight eQUIpMent SeRVICe. Press SeLeCt. Scroll down to highlight SetUp1. DESCRIPTION STATUS UNITS POINT...
  • Page 32 Table 3 - ICVC display data (continued) Example 20 - LEAD/LAG display screen To access this display from the ICVC default screen: Press MenU. Press SeRVICe. Scroll down to highlight eQUIpMent SeRVICe. Press SeLeCt. Scroll down to highlight LeADLAG. DESCRIPTION STATUS UNITS POINT...

  • Page 33: Pic Iii System Functions

    5 - PIC III SYSTEM FUNCTIONS 5.1.1 - Variable speed (VFD) application The PIC III controls the machine capacity by modulating NOTE: Words not part of paragraph headings and printed both motor speed and inlet guide vanes in response to chilled in all capital letters can be viewed on the ICVC (e.g., water temperature deviation from the CONTROL POINT LoCAL, CCN, RUNNING, ALARM, etc.).
  • Page 34 5% Load Point (maximum) value. The diffuser opening can be incremented from fully open to completely closed. A 0% setting is fully open; a 100% setting is com- pletely closed. To obtain the proper settings for Diffuser Control, contact a Carrier Engineering representative.

  • Page 35: Chiller Timers And Starts Counter

    5.2 - Chiller timers and starts counter 5.1.6 - Demand limiting The PIC III controls provide a feature for limiting AVE- RAGE LINE CURRENT or LINE KILOWATTS (demand) The PIC III maintains two run time clocks: COMPRESSOR ONTIME and SERVICE ONTIME. by limiting capacity via guide vane control.

  • Page 36: Safety Controls

    NOTE: This schedule is for illustration only and is not If the safety shutdown was also initiated by a fault detected intended to be a recommended schedule for chiller in the VFD, the conditions at the time of the fault will be operation.
  • Page 37 Table 5 - Protective limits and control settings MONITORED PARAMETER ALARM/ALERT LIMIT COMMENTS Temperature Sensors Out of Range 260-271,140,141 0.06 > Voltage Ratio > 0.98 or – 40 F > Temperature > Preset Alarm, Voltage Ratio = Input Voltage/ Voltage 118°C for 3 seconds Reference (5 V) Pressure Transducers Out of...

  • Page 38: Ramp Loading Control

    Table 5 - Protective limits and control settings (continued) MONITORED PARAMETER ALARM/ALERT LIMIT COMMENTS Starts Limit Exceeded More than 8 starts in 12 hours Preset Prestart Alert Low Chilled Water Flow CHILLED LIQUID FLOW = FALSE after CHILLED Optional Alarm, Configure WATER FLOW VERIFY TIME WATER PUMP = ON &...

  • Page 39: Capacity Override (Table 6)

    5.10 - Oil sump temperature and pump control If kilowatts is selected for the DEMAND LIMIT SOURCE, the MOTOR RATED LOAD KILOWATTS must be The oil sump temperature is regulated by the PIC III, with entered in the VFD_CONF screen. the oil heater relay when the chiller is shut down.

  • Page 40: Remote Start/Stop Controls

    Table 6 - Capacity overrides OVERRIDE CONDITION FIRST STAGE SET POINT SECOND STAGE SET POINT OVERRIDE TERMINATION View/Modify on Override Default Value Configurable Range Value Value ICVC Screen High Condenser Pressure SETUP1 CONDENSER 621 to 1138 kPa CONDENSER PRESSURE > COND CONDENSER PRESSURE <...

  • Page 41: Kilowatt Output

    REFRIG TEMP is more than .7 K above the CONDENSER operating mode when the REMOTE RESET OPTION FREEZE POINT and the entering condenser water tempe- (ICVC_PWD menu) is set to ENABLE. A variety of Carrier rature is greater than the CONDENSER FREEZE POINT. Comfort Network software systems including ComfortVIEW...

  • Page 42: Auto. Restart After Power Failure

    TOWER FAN RELAY LOW is turned on whenever the When power is restored after the power failure and if the compressor had been running, the oil pump will energise condenser water pump is running, flow is verified, and the for one minute before energising the evaporator pump. difference between cooler and condenser pressure is more than 07 kPa for entering condenser water temperature AUTO RESTART will then continue like a normal start-up.

  • Page 43: Surge Prevention Algorithm

    RESET TYPE 3: Reset type 3 is an automatic chilled water A surge condition occurs when the lift becomes so high the temperature reset based on cooler temperature difference. gas flow across the impeller reverses. This condition can Reset type 3 adds ± 16 K, based on the temperature diffe- eventually cause chiller damage.

  • Page 44: Head Pressure Reference Output

    (SURGE PROTECTION COUNTS). additional cooling is required. Refer to Fig. 6 and 7 for menu, table, and screen selection information. Fig. 11 - 19XRV Hot gas bypas/surge prevention with default metric settings NOTE: The lead/lag function can be configured on the LEAD/LAG screen, which is accessed from the SERVICE ΔP...

  • Page 45: Common Point Sensor Usage And Installation

    CONTROL POINT temperatures alone, then the operating lag chiller is stopped. 5.27.1 - Chiller communication wiring Refer to the chiller’s Installation Instructions, Carrier If the lead chiller is stopped in CCN mode for any reason Comfort Network Interface section for information on other than an alarm (*) condition, the lag and standby chillers chiller communication wiring.
  • Page 46 5.27.5 - Lag chiller yhutdown Requirements The PRESTART FAULT TIMER provides a timeout if there is a prestart alert condition that prevents a chiller from The following conditions must be met in order for the lag starting in a timely manner. If the configured lead chiller chiller to be stopped.

  • Page 47: Ice Build Control

    Lag chiller temperature pulldown rate (TEMP PULL- The ice build time schedule defines the period(s) during which ice build is active if the ice build option is enabled. DOWN DEG/MIN) of the chilled water temperature If the ice build time schedule overlaps other schedules, the is less than 0.7 K per minute.

  • Page 48: Attach To Network Device Control

    • if ICE BUILD TERMINATION is set to the TEMP Remote Contacts/Ice Level Input — Ice build operation terminates when the ICE BUILD TERMINATION option and the ENTERING CHILLED WATER parameter is set to 1 (CONTACTS) and the ICE temperature is less than or equal to the ICE BUILD SETPOINT;...

  • Page 49: Service Operation

    Alert History NETWORK DEVICE table (LOCAL should be high- lighted) and press the AttACH softkey to upload the • Control Test LOCAL device. The ICVC for the 19XRV will be uploaded • Control Algorithm Status and default screen will display. •...
  • Page 50 5.30.2 - to log out of network device Press neXt until HOLIDAYS is highlighted. This is To access this screen and log out of a network device, from the Holiday Definition table. the default ICVC screen, press the MenU and SeRVICe Press SeLeCt to enter the Data Table Select screen.

  • Page 51: Start-Up/Shutdown/Recycle Sequence

    RECYCLE mode. the StARt softkey to override the schedule and start the chiller. note: The 19XRV units are not available with factory- installed chilled water or condenser water flow devices note: The chiller will continue to run until this forced start (available as an accessory for use with the CCM control is released, regardless of the programmed schedule.

  • Page 52: Shutdown Sequence

    6.2 - Shutdown sequence Compressor ontime and service ontime timers start, and the compressor STARTS IN 12 HOURS counter and the number of starts over a 1-hour period counter advance by one. Chiller shutdown begins if any of the following occurs: •...

  • Page 53: Chilled Water Recycle Mode

    If the chiller enters an alarm state or if the compressor Once these conditions are met, the compressor initiates a enters a RECYCLE mode, the compressor deenergises start-up with a normal start-up sequence. immediately. An alert condition may be generated if 5 or more recycle To activate the soft stop amps threshold feature, scroll to start-ups occur in less than 4 hours.

  • Page 54: Troubleshooting Guide

    7.3.3 - Check sensor accuracy Place the sensor in a medium of known temperature and The first area to check when troubleshooting the 19XRV is compare that temperature to the measured reading. The the ICVC display. If the alarm light is flashing, check the...

  • Page 55: Checking Pressure Transducers

    7.3.4 - Dual-temperature sensors Access the HEAT_EX screen and view the particular For servicing convenience, there are  sensors each on the transducer reading (the EVAPORATOR PRESSURE bearing and motor temperature sensors. If one of the sensors or CONDENSER PRESSURE parameter on the is damaged, the other can be used by simply moving a wire.

  • Page 56: Control Algorithms Checkout Procedure

    7.6 - Control test 7.4.2 - transducer replacement Since the transducers are mounted on Schrader-type fittings, there is no need to remove refrigerant from the The Control Test feature can check all the thermistor temperature sensors, pressure transducers, pumps and vessel when replacing the transducers.
  • Page 57 LEGEND TO TABLES 10A-10J — Carrier Comfort Network® — Chiller Control Module — Drive Peripheral Interface ICVC — International Chiller Visual Control PIC III — Product Integrated Controls III — Thermostatic Expansion Valve — Variable Frequency Drive — Variable Frequency (Drive) Gateway Table 10 - Alarm and alert messages A.
  • Page 58 Table 10 - Alarm and alert messages (continued) D. PRE-START ALERTS: These alerts only delay start-up. When alert is corrected, the start-up will continue. No reset is necessary. ICVC PRIMARY SECONDARY MESSAGE PRIMARY CAUSE ADDITIONAL CAUSE/REMEDY FAULT MESSAGE STATE PRESTART STARTS LIMIT 100->Excessive compressor starts Depress the RESET softkey if additional start is required.
  • Page 59 Table 10 - Alarm and alert messages (continued) G. NORMAL RUN WITH OVERRIDES ICVC PRIMARY SECONDARY PRIMARY CAUSE ADDITIONAL CAUSE/REMEDY FAULT MESSAGE MESSAGE STATE RUN CAPACITY HIGH CONDENSER 120->Condenser Pressure [VALUE] Check condenser water pump operation. LIMITED PRESSURE exceeded limit of [LIMIT]*. Check for high condenser water temperatures or low flow rate.
  • Page 60 Verify phase to phase and phase to ground line voltage. Monitor VOLTAGE exceeded limit of [LIMIT]* AC line for high transient voltage conditions. VFD Circuit Board malfunction. Call Carrier Service. PROTECTIVE LIMIT VFD FAULT 206->VFD Fault Code: [VALUE]; Check See VFD Fault Code description and corrective action.
  • Page 61 Check that pressure transducers are not shorted to ground. This fault is [LIMIT]*. normally declared the first time an ICVC is powered up if it was downloaded with software when it was not connected to a CCM. Call Carrier Service. VFD GATEWAY LOW DISCHARGE 240->Check for Oil in Or Check for oil loss or excessive refrigerant.
  • Page 62 VFD GATEWAY COMPATIBILITY 284->VFD Gateway Compatibil¬ity VFD Gateway and VFD software versions are not compatible. CONFLICT Conflict: Check VFG/VFD Versions. Call Carrier Service. VFD GATEWAY COMPATIBILITY 285->VFD Gateway Compatibil¬ity VFD Gateway and ICVC software versions are not compatible. CONFLICT Conflict: Check VFG/ICVC Versions.
  • Page 63 Table 10 - Alarm and alert messages (continued) J. CHILLER ALERTS ICVC PRIMARY MESSAGE SECONDARY MESSAGE ALARM MESSAGE ADDITIONAL CAUSE/REMEDY FAULT PRIMARY CAUSE STATE SENSOR ALERT LEAVING COND WATER TEMP 140->Sensor Fault: Check Check sensor resistance or voltage drop. Leaving Cond Water Sensor Check for proper wiring.
  • Page 64 Table 10 - Alarm and alert messages (continued) CHILLER ALERTS (continued) IVVC PRIMARY MESSAGE SECONDARY MESSAGE ALARM MESSAGE ADDITIONAL CAUSE/REMEDY FAULT PRIMARY CAUSE STATE LOSS OF WITH WSM 163->WSM Cool Source - Communications interrupted between supervisory COMMUNICATION Loss of Communication component and equipment component of WSM (Water System Manager).
  • Page 65 HW Fault 4 Inverter section of power structure hardware detected an Cycle power. unexpected fault during power stage diagnostics. Call Carrier Service. 71- 75 Port 1-5 Net Loss The network card connected to DPI port stopped communicating. Check communication board for proper connection The fault code indicates the offending port number (71 = port 1, 72 to external network.
  • Page 66 Table 11 - Fault description and corrective actions (continued) FAULT TYPE DESCRIPTION ACTION ICVC FAULT FAULT CODE STATE Ixo Voltage Range Ixo voltage calculated from motor nameplate data is too Re-enter motor nameplate data. high Parameter Chksum 2 The checksum read from the board does not match the Press reset.
  • Page 67 Table 11 - Fault description and corrective actions (continued) FAULT TYPE DESCRIPTION ACTION ICVC FAULT FAULT CODE STATE Precharge closed Precharge was closed when it should be open. Check AUX contacts on precharge. Check input bit 0 in rectifier parameter 216 to view status of input.
  • Page 68 Table 12 - Thermistor temperature (°C) vs resistance/voltage drop Temperature (°C) PIC III voltage drop (V) Resistance (Ohms) Temperature (°C) PIC III voltage drop (V) Resistance (Ohms) 4.722 105 616 1.338 2 272 4.706 99 640 1.300 2 184 4.688 93 928 1.263 2 101...

  • Page 69: Control Modules

    Inverter and rectifier control board failure status light patterns COLOUR DESCRIPTION Red/Green Alternating Control board application firmware may be corrupt. Call Carrier Service. Yellow/Green/Red Repeating Pattern Control board RAM failure or control board firmware may be corrupt. Call Carrier Service.

  • Page 70: Appendix - 19Xrv Liquiflo™ 2 Icvc Parameter Index

    APPENDIX — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX PARAMETER MENU SOFTKEY TABLE SCREEN NAME CONFIGURABLE 0% Actual Guide Vane Position SERVICE CONTROL TEST GUIDE VANE CALIBRATION 100% Actual Guide Vane Position SERVICE CONTROL TEST GUIDE VANE CALIBRATION 1st Current Alarm State...
  • Page 71 APPENDIX — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (CONTINUED) PARAMETER MENU SOFTKEY TABLE SCREEN NAME CONFIGURABLE Comp Motor Winding Temp SERVICE CONTROL ALGORITHM STATUS OVERRIDE Comp Motor Winding Temp SERVICE CONTROL TEST THERMITORS Comp Thrust Brg Alert SERVICE CONTROL ALGORITHM STATUS...
  • Page 72 APPENDIX — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (CONTINUED) PARAMETER MENU SOFTKEY TABLE SCREEN NAME CONFIGURABLE Evap Saturation Temp SERVICE CONTROL TEST THERMITORS Evaporator Approach STATUS HEAT_EX Evaporator Pressure STATUS HEAT_EX Evaporator Pressure SERVICE CONTROL TEST PRESSURE TRANSDUCERS Evaporator Refrig Temp...
  • Page 73 APPENDIX — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (CONTINUED) PARAMETER MENU SOFTKEY TABLE SCREEN NAME CONFIGURABLE Leaving Cond Water SERVICE CONTROL TEST THERMITORS Leaving Condenser Water STATUS HEAT_EX Leaving Condenser Water DEFAULT SCREEN LID Language SERVICE ICVC CONFIGURATION Line Active Current...
  • Page 74 APPENDIX — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (CONTINUED) PARAMETER MENU SOFTKEY TABLE SCREEN NAME CONFIGURABLE Motor Overload STATUS POWER Motor Overload STATUS VFD_STAT Motor Overload SERVICE CONTROL ALGORITHM STATUS VFD_HIST Motor Power Factor STATUS POWER Motor Power Factor SERVICE...
  • Page 75 APPENDIX — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (CONTINUED) PARAMETER MENU SOFTKEY TABLE SCREEN NAME CONFIGURABLE Remote Temp->Full Reset SERVICE EQUIPMENT SERVICE TEMP_CTL Remote Temp->No Reset SERVICE EQUIPMENT SERVICE TEMP_CTL RESET DEFAULT SCREEN Reset Alarm? STATUS ICVC_PWD RESET TYPE 1...
  • Page 76 SERVICE EQUIPMENT SERVICE SETUP1 WSM Active? SERVICE CONTROL ALGORITHM STATUS WSMDEFME Order No: 11990-76, 10.2009 - Supersedes order No: New Manufacturer: Carrier SCS, Montluel, France. Manufacturer reserves the right to change any product specifications without notice. Printed in the Netherlands.

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