Page 1: Safety Considerations
ANSI/ASHRAE 15 (latest edition). tion, and Air Conditioning Engineers). The accumulation of refriger- Contact Carrier for further information on use of this chiller with other ant in an enclosed space can displace oxygen and cause asphyxiation.
Page 2: Table Of Contents
CONTENTS Page Page High Discharge Temperature Control ... . 42 SAFETY CONSIDERATIONS ..... . 1 Oil Sump Temperature and Pump Control .
Page 3: Pumpout And Refrigerant Transfer
To Stop the Chiller ......72 Carrier Comfort Network® Interface ... . . 63 After Limited Shutdown .
Page 4: Introduction
— Variable Frequency Drive Words printed in all capital letters or in italics may be Prior to initial start-up of the 19XRV unit, those involved in viewed on the International Chiller Visual Controller (ICVC) the start-up, operation, and maintenance should be thoroughly (e.g., LOCAL, CCN, ALARM, etc.).
Page 5: Chiller Familiarization
The control panel: The chiller software part number of the 19XRV unit is located on the back of the ICVC. • registers cooler, condenser, and lubricating system pressures •...
Page 6 31 — Liquid Line Isolation Valve (Optional) 32 — Linear Float Valve Chamber 33 — Tubesheet Mounting Brackets 34 — Discharge Isolation Valve (Optional) 35 — Refrigerant Charging Valve 36 — Condenser Pressure Transducer (Hidden) a19-1686 Fig. 2 — Typical 19XRV Components...
Page 7: Refrigeration Cycle
REFRIGERATION CYCLE MOTOR AND LUBRICATING OIL COOLING CYCLE The compressor continuously draws refrigerant vapor from the cooler at a rate set by the amount of guide vane opening or The motor and the lubricating oil are cooled by liquid re- compressor speed.
Page 8: Vfd Cooling Cycle
For most 19XRV compressors the high speed shaft assem- spray. The rest of the oil lubricates the motor shaft bearings and bly is supported by two journal bearings located at the the rear pinion bearing.
Page 9: Starting Equipment
Unit-Mounted VFD — with a variable frequency drive motor controller mounted on All 19XRV units are equipped with a VFD to operate the the condenser. See Fig. 5-7. This VFD is used with low voltage centrifugal hermetic compressor motor. A power panel controls motors between 380 and 460 vac.
Page 10 OPTIONAL METER PACKAGE a19-1718 442A AND 608A VFDs a19-1725 1169A VFD Fig. 5 — Variable Frequency Drive (VFD) External...
Page 11 1, 2 1 — Fuse Block, 30A, 600V, Class CC 2 — Fuse, Class CC, 600V, 20A (3) 3 — AC Contactor (3) — Pre-Charge 4 — Input Conductor Assembly 5 — Pre-Charge Resistor Assembly 6 — Power Module Assembly 7 —...
Page 12 11 8 Door Open a23-1627stacked Door Closed 1 — Wire Harness Assembly, Gate Driver 10 — Wire Harness Assembly, Power Supply, Lower Gate 19 — AC Line I/O Assembly 2 — Current Feedback Device, 1000 A 11 — Insulation Sheet 20 —...
Page 13 UNDER COVER a19-1728 Door Open a19-1729 Door Closed 1 — Combined Power PCB Assembly, 1215 Amps 8 — Current Feedback Device, 2000A 13 — Cable Assembly, 40-Pin 2 — Wire Harness Assembly, Gate Driver 9 — Wire Harness Assembly, Current Feedback 14 —...
Page 14: Controls
(Example: A temperature sensor is an analog device be- VFD. The PIC III can interface with the Carrier Comfort cause its resistance changes in proportion to the temperature, Network® (CCN) system if desired. It can communicate with generating many values.)
Page 15 GUIDE VALVE CONTROL PANEL ACTUATOR CABLE COMPRESSOR DISCHARGE TEMPERATURE SENSOR CABLE OIL COOLER THERMOSTATIC HIGH PRESSURE EXPANSION VALVE (TXV) SWITCH LOCATION OIL COOLER THERMOSTATIC EXPANSION VALVE (TXV) BULB OIL HEATER TERMINAL a19-1606 Fig. 9 — 19XRV Compressor Controls and Sensor Locations...
Page 16: Hot Gas Bypass Contactor Relay (3C)
CHILLER CONTROL MODULE (CCM) — This module is SENSORS — Two types of temperature sensors are used: located in the control panel. The CCM provides the input and Figure 12 shows a typical temperature sensor for which outputs necessary to control the chiller. This module monitors sensor wells are used, in systems having an ICVC controller.
Page 17 CARRIER COMFORT NETWORK (CCN) CONTROL POWER INTERFACE CIRCUIT BREAKERS OPTIONAL DATAPORT/DATALINK CIRCUIT BREAKERS HUMIDITY SENSOR SURGE/HGBP a19-1607 PARAMETER LABEL CHILLER CONTROL MODULE (CCM) a19-1609 CONTROL PANEL INTERNAL VIEW CONTROL PANEL SIDE VIEW REMOVABLE BOLT HINGE a19-1610 a19-1742 CHILLER IDENTIFICATION NAMEPLATE Fig.
Page 18: Flow Detection
to establish flow.) On the condenser side, positive determina- tion of flow is made if the following conditions are true: (1) the CONDENSER PRESSURE is less than 165 psig (1139 kPa), and (2) CONDENSER PRESSURE is less than the configured SHRINK WRAP COND PRESS OVERRIDE threshold by more than 5 psi STRAIN RELIEF...
Page 19: Icvc Operation And Menus
ICVC Operation and Menus (Fig. 14-20) PRIMARY STATUS COMPRESSOR DATE TIME GENERAL MESSAGE ON TIME SECONDARY • The ICVC display automatically reverts to the default STATUS RUNNING TEMP CONTROL 01-01-95 11:48 screen after 15 minutes if no softkey activity takes place MESSAGE LEAVING CHILLED WATER 28.8 HOURS...
Page 20 VFD CONFIG DA TA EQUIPMENT SER VICE TIME AND DA TE AT T ACH TO NETWORK DEVICE LOG OUT OF DEVICE ICVC CONFIGURA TIO N NEXT PREVIOUS SELECT EXI T SEE FIGURE 17 a19-1719 Fig. 16 — 19XRV Chiller Display Menu Structure (ICVC)
Page 21 Select a Parameter SELECT NEXT PREVIOUS EXIT Modify a Parameter INCREASE ENTER (ANALOG VALUES) DECREASE QUIT DISABLE QUIT ENTER (DISCRETE VALUES) ENABLE CONTINUED SELECT (USE ENTER) TO SCROLL DOWN a19-1720 ON NEXT PAGE Fig. 17 — 19XRV Service Menu Structure...
Page 22 — English (U.S. IMP.) or S.I. Metric Units — Password a19-1618 — LID Language LEGEND — Carrier Comfort Network® ICVC — International Chiller Visual Controller PIC III — Product Integrated Control III — Variable Frequency Drive Fig. 17 — 19XRV Service Menu Structure (cont)
Page 23: Basic Icvc Operations (Using The Softkeys)
BASIC ICVC OPERATIONS (Using the Softkeys) — To per- TO VIEW STATUS (Fig. 18) — The status table shows the form any of the operations described below, the PIC III must be actual value of overall chiller status such as CONTROL powered up and have successfully completed its self test.
Page 24: Forcing Operations
FORCING OPERATIONS Force Indication — A forced value is indicated by “SUPVSR,” “SERVC,” or “BEST” flashing next to the point To Force (manually override) a Value or Status value on the STATUS table. 1. From any point status screen, press NEXT TIME SCHEDULE OPERATION (Fig.
Page 25: To View And Change Set Points
point), ECW SETPOINT (entering chilled water set point), ICE BUILD SETPOINT, and TOWER FAN HIGH SETPOINT. Only one of the chilled water set points can be active at one time. The set point that is active is determined from the SERVICE menu. See the Service Operation section, page 51.
Page 26 — Temperature cross reference CCN/BS documentation or use CCN/BS pro- — Variable Frequency Drive grams. For more information, see the 19XRV CCN literature. — Water System Manager 6. Reference Point Names shown in these tables in all capital let- ters can be read by CCN and BS software. Of these capitalized EXAMPLE 1 —...
Page 27 Table 4 — ICVC Display Data (cont) EXAMPLE 2 — MAINTSTAT DISPLAY SCREEN To access this display from the ICVC default screen: 1. Press MENU 2. Press will be highlighted). STATUS MAINSTAT 3. Press SELECT DESCRIPTION STATUS UNITS POINT Control Mode NOTE 2 NOTE 2 MODE...
Page 28 Table 4 — ICVC Display Data (cont) EXAMPLE 4 — COMPRESS DISPLAY SCREEN To access this display from the ICVC default screen: 1. Press MENU 2. Press STATUS 3. Scroll down to highlight COMPRESS 4. Press SELECT DESCRIPTION STATUS UNITS POINT Actual VFD Speed 0.0-100.0...
Page 29 Table 4 — ICVC Display Data (cont) EXAMPLE 6 — POWER DISPLAY SCREEN To access this display from the ICVC default screen: 1. Press MENU 2. Press STATUS 3. Scroll down to highlight POWER 4. Press SELECT DESCRIPTION STATUS UNITS POINT Percent Line Current 0.0-999.0...
Page 30 Table 4 — ICVC Display Data (cont) EXAMPLE 7 — VFD_STAT DISPLAY SCREEN To access this display from the ICVC default screen: 1. Press MENU 2. Press STATUS 3. Scroll down to highlight VFD_STAT 4. Press SELECT DESCRIPTION STATUS UNITS POINT VFD Fault Code 0-223...
Page 31 Table 4 — ICVC Display Data (cont) EXAMPLE 10 — CAPACITY DISPLAY SCREEN To access this display from the ICVC default screen: 1. Press MENU 2. Press SERVICE 3. Scroll down to highlight CONTROL ALGORITHM STATUS 4. Press SELECT 5. Scroll down to highlight CAPACITY 6.
Page 32 Table 4 — ICVC Display Data (cont) EXAMPLE 12 — LL_MAINT DISPLAY SCREEN To access this display from the ICVC default screen: 1. Press MENU 2. Press SERVICE 3. Scroll down to highlight CONTROL ALGORITHM STATUS 4. Press SELECT 5. Scroll down to highlight LL_MAINT.
Page 33 Table 4 — ICVC Display Data (cont) EXAMPLE 14 — WSMDEFME DISPLAY SCREEN To access this display from the ICVC default screen: 1. Press MENU 2. Press SERVICE 3. Scroll down to highlight CONTROL ALGORITHM STATUS 4. Press SELECT 5. Scroll down to highlight WSMDEFME 6.
Page 34 Table 4 — ICVC Display Data (cont) EXAMPLE 16 — VFD_CONF DISPLAY SCREEN To access this display from the ICVC default screen: 1. Press MENU 2. Press SERVICE 3. Scroll down to highlight VFD CONFIG DATA 4. Press SELECT 5. Enter password (4444 Factory Default). 6.
Page 35 Table 4 — ICVC Display Data (cont) EXAMPLE 18 — SETUP1 DISPLAY SCREEN To access this display from the ICVC default screen: 1. Press MENU 2. Press SERVICE 3. Scroll down to highlight EQUIPMENT SERVICE 4. Press SELECT 5. Scroll down to highlight SETUP1 6.
Page 36 Table 4 — ICVC Display Data (cont) EXAMPLE 20 — LEADLAG DISPLAY SCREEN To access this display from the ICVC default screen: 1. Press MENU 2. Press SERVICE 3. Scroll down to highlight EQUIPMENT SERVICE 4. Press SELECT 5. Scroll down to highlight LEADLAG 6.
Page 37: Pic Iii System Functions
PIC III System Functions Table 5 — Guide Vane Delta Modes IMPORTANT: Words not part of paragraph headings and NORMAL SURGE CONTROL PREVENTION GUIDE VANE printed in all capital letters can be viewed on the ICVC MODE MODE DELTA (e.g., LOCAL, CCN, RUNNING, ALARM, etc.). Words Increase printed both in all capital letters and italics can also be only if VFD...
Page 38: Diffuser Control
To obtain the proper settings for Diffuser option (20 mA DEMAND LIMIT OPT) is externally Control, contact a Carrier Engineering representative. controlled by a 4 to 20 mA signal from an energy management PROPORTIONAL BANDS AND GAIN — Proportional band system (EMS).
Page 39: Occupancy Schedule
The chiller also maintains a start-to-start timer and a • VFD over temperature stop-to-start timer. These timers limit how soon the chiller • dew formation on the VFD cold plate can be started. START INHIBIT TIMER is displayed on *Superheat is the difference between saturation temperature the MAINSTAT screen.
Page 40 Table 6 — Protective Safety Limits and Control Settings ALARM/ MONITORED PARAMETER LIMIT COMMENTS ALERT Temperature Sensors Out of Range 260-271, .06 > Voltage Ratio > .98 or – 40 F > Preset Alarm, Voltage Ratio=Input Voltage/ 140,141 Temperature>245 F for 3 seconds Voltage Reference(5 Volts) Pressure Transducers Out of Range 260-271...
Page 41 Table 6 — Protective Limits and Control Settings (cont) MONITORED PARAMETER ALARM/ALERT LIMIT COMMENTS Motor — Surge > 5 surge events within SURGE TIME PERIOD Preset Alarm, Configure SURGE DELTA% AMPS and VFD SPEED > 90% and SURGE TIME PERIOD in OPTIONS screen Surge >...
Page 42: Ramp Loading
Whenever the motor current demand limit set point The ramp loading control slows down Ramp Loading — (ACTIVE DEMAND LIMIT) is reached, it activates a capacity the rate at which the compressor loads up. This control can pre- override, again, with a 2-step process. Exceeding 110% of the vent the compressor from loading up during the short period of rated load amps for more than 30 seconds will initiate a safety time when the chiller is started and the chilled water loop has to...
Page 43: Remote Start/Stop Controls
Table 7 — Capacity Overrides Table FIRST STAGE SET POINT SECOND STAGE SET POINT OVERRIDE TERMINATION OVERRIDE View/Modify on Override Default Configurable CONDITION Value Value ICVC Screen Value Range CONDENSER CONDENSER PRESSURE CONDENSER PRESSURE High Condenser Pressure 90 to 165 psig SETUP1 PRESSURE >...
Page 44: Kilowatt Output
(BAS) or energy management systems (EMS) can also access TRIPPOINT (33° F or 0.6° C for water, configurable for brine), the PIC III controls through a Carrier DataLINK™ module and Protective Limit Alarm State 232 will be displayed, the unit reset the fault displayed.
Page 45: Auto. Restart After Power Failure
The TOWER FAN RELAY HIGH is turned off when the input the reset type number (1, 2, or 3) in the SELECT/ condenser pump is off, flow is stopped, or the EVAPORATOR ENABLE RESET TYPE input line. REFRIG TEMP is less than the EVAP REF OVERRIDE TEMP RESET TYPE 1: 4 to 20 mA (1 to 5 vdc) TEMPERATURE and ENTERING CONDENSER WATER is less than 70 F RESET –...
Page 46: Surge Protection
When the actual differential pressure between the cooler and ΔT = (ECW) – (LCW) condenser (delta P) and the temperature difference between the Fig. 22 — 19XRV Hot Gas Bypass/Surge entering and leaving chilled water (delta T) are above the line Prevention with Default English Settings...
Page 47: Head Pressure Reference Output
The PIC III cannot read the value of common point Carrier does not make any claim that this output is directly us- sensors installed on the other chillers in the chilled water able to control any specific piece of equipment (that is, without system.
Page 48 Lead/Lag Chiller Configuration and Operation only if one of the other two chillers is in an alarm (*) condition • A chiller is designated the lead chiller when its (as shown on the ICVC panel). If both lead and lag chillers LEADLAG: CONFIGURATION value on the LEAD- are in an alarm (*) condition, the standby chiller defaults to LAG screen is set to “1.”...
Page 49: Faulted Chiller Operation
FAULTED CHILLER OPERATION — If the lead chiller The selectable ice build mode per- Ice Build Control — shuts down because of an alarm (*) condition, it stops commu- mits use of the chiller to refreeze or control the temperature of nicating to the lag and standby chillers.
Page 50: Start-Up/Recycle Operation
NOTE: The Ice Build steps do not occur if the chiller is config- CONTACTS are open and the ICE BUILD RECYCLE is ured and operating as a lag or standby chiller for lead/lag set to DSABLE (0). In this case, the ICE BUILD operation and is actively being controlled by a lead chiller.
Page 51: Attaching To Other Ccn Modules
LOCAL device. The ICVC ATTACH • Time and Date for the 19XRV will be uploaded and default screen will display. • Attach to Network Device NOTE: The ICVC will not automatically reattach to the local • Log Out of Device •...
Page 52: Holiday Scheduling
HOLIDAY SCHEDULING (Fig. 26) — Up to 18 different 10. Press to change the INCREASE DECREASE holidays can be defined for special schedule consideration. selected value. There are two different screens to be configured. 11. Press to save the changes. First, in the SERVICE/EQUIPMENT CONFIGURATION/ ENTER HOLIDAYS screen, select the first unused holiday entry...
Page 53: Start-Up/Shutdown/Recycle
If the OCCUPIED ? parameter on the MAINSTAT screen RECYCLE mode. is set to NO, the chiller can be forced to start as follows. From NOTE: The 19XRV units are not available with factory- the default ICVC screen, press the MENU...
Page 54: Shutdown Sequence
• The condenser pump shuts down when the CON- DENSER PRESSURE is less than the COND PRESS OVERRIDE threshold minus 3.5 psi (24.1 kPa) and the CONDENSER REFRIG TEMP is less than or equal to the ENTERING CONDENSER WATER temperature plus 3°...
Page 55: Safety Shutdown
Safety Shutdown — and checking the valve stem. a manual shutdown with the exception that, during a safety The oil charge for the 19XRV compressor Oil Charge — shutdown, the ICVC displays the reason for the shutdown, the depends on the compressor Frame size: alarm light blinks continuously, and the spare alarm contacts are energized.
Page 56: Check Chiller Tightness
Check Chiller Tightness — ing condition and the water circuits are full. proper sequence and procedures for leak testing. The 19XRV chillers are shipped with the refrigerant Carrier recommends the use of an Refrigerant Tracer — contained in the condenser shell and the oil charge in the environmentally acceptable refrigerant tracer for leak testing compressor.
Page 57 a19-1625...
Page 58: Leak Test Chiller
Leak Test Chiller — report. erant emissions and the difficulties associated with separating contaminants from the refrigerant, Carrier recommends the 5. If no leak is found during the initial start-up procedures, following leak test procedure. See Fig. 29 for an outline of the complete the transfer of refrigerant gas from the pumpout leak test procedure.
Page 59 REFRIGERANT CHARGING VALVE CHILLER CONDENSER VESSEL REFRIGERANT CHARGING VALVE CHILLER COOLER VESSEL COOLER TEE FOR REFRIGERANT CHARGING PRESSURE ISOLATION RELIEF SAFETY VALVE STORAGE VALVE TANK LIQUID VALVE LIQUID LINE SEPARATOR SERVICE VALVE PUMPOUT PUMPOUT COMPRESSOR CONDENSER SERVICE VALVE ON SERVICE VALVE ON PUMPOUT CHILLER (FIELD PUMPOUT UNIT...
Page 60 Table 11A — HFC-134a Pressure — Table 11B — HFC-134a Pressure — Temperature (F) Temperature (C) TEMPERATURE, PRESSURE TEMPERATURE, PRESSURE (psig) (kPa) 6.50 –18.0 44.8 7.52 –16.7 51.9 8.60 –15.6 59.3 9.66 –14.4 66.6 10.79 –13.3 74.4 11.96 –12.2 82.5 13.17 –11.1 90.8...
Page 61: Chiller Dehydration
Do not apply a greater vacuum than 29.82 in. Hg vac (757.4 mm Hg) or go below 33 F (.56 C) on the wet bulb The 19XRV relief valves are set to relieve at the 185 psig vacuum indicator. At this temperature and pressure, (1275 kPa) chiller design pressure.
Page 62: Input Power Wiring
All wiring should be installed in Input Power Wiring — conformance with applicable local, national, and international codes. Use grommets, when hubs are not provided, to guard against wire chafing. Use the following steps to connect AC input power to the main input circuit breaker: 1.
Page 63: Inspect Wiring
VFD enclosure if this has occurred. mended to simplify installation and checkout. The following color code is recommended: Do not apply power unless a qualified Carrier technician is CCN BUS present. Serious personal injury may result. SIGNAL...
Page 64: Software Configuration
3. To change the digit, press the INCREASE been confirmed. softkey. When the desired digit is seen, DECREASE As the 19XRV unit is configured, all configuration settings press the softkey. ENTER should be written down. A log, such as the one shown on pages 4.
Page 65 • Internal Machine Electrical Data Nameplate — Located • Motor Nameplate kW — Motor nameplate rated power. on the inside of the left VFD enclosure door. See • Inverter PWM Frequency — Sets the carrier frequency Fig. 35. for the pulse width modulation output.
Page 66 Condensing Temperature: SARY — The EQUIPMENT SERVICE table has screens to 98 F (36.7 C) = 120 psig (1827 kPa) saturated select, view, or modify parameters. Carrier’s certified drawings refrigerant pressure (HFC-134a) have the configuration values required for the jobsite. Modify Maximum Load ΔT2:...
Page 67: Perform A Control Test
left, first) are used. The others do not matter. The bits can be Table 13 — Control Test Menu Functions set by any device which can access and change configuration tables. If any of these 3 bits is set to 1, the controller (ICVC, TESTS TO BE DEVICES TESTED PERFORMED...
Page 68: Controls And Compressor
The standard 19XRV chiller is shipped with the refrigerant Access the HEAT_EX screen under the STATUS menu, already charged in the vessels. However, the 19XRV chiller...
Page 69 CHILLER EQUALIZATION WITHOUT A PUMPOUT The full refrigerant charge on the 19XRV will vary with UNIT chiller components and design conditions, as indicated on the job data specifications. An approximate charge may be deter- mined by adding the condenser charge to the cooler charge as listed in Table 14.
Page 70: Check Motor Rotation
1620 SURE reading on the ICVC default screen. Normal 1730 1690 19XRV oil pressure readings are between 18 and 30 psid 1820 (124 to 207 kPad). The oil pressure should be between 18 1940 and 40 psid (124 to 276 kPad) on Frame 3 compressors equipped with rolling element bearings.
Page 71: Operating Instructions
OPERATING INSTRUCTIONS a19-1326 Operator Duties 1. Become familiar with the chiller and related equipment before operating the chiller. 2. Prepare the system for start-up, start and stop the chiller, and place the system in a shutdown condition. 3. Maintain a log of operating conditions and document any abnormal readings.
Page 72: To Stop The Chiller
If (after adjusting for ambient temperature changes) any such as the Data Collection module and a Building Supervisor. loss in pressure is indicated, check for refrigerant leaks. See Contact a Carrier representative for more information. Check Chiller Tightness section, page 56.
Page 74: Procedures
PUMPOUT AND REFRIGERANT leak testing: TRANSFER PROCEDURES 1. The ICVC display on the chiller control panel is suitable The 19XRV chiller may come equipped Preparation — for determining refrigerant-side pressures and low (soft) with an optional pumpout storage tank, pumpout system, or vacuum.
Page 75 VALVE CONDITION b. Slowly open valve 5 and refrigerant charging During transfer of refrigerant into and out of the 19XRV valves 7 and 10 to allow liquid refrigerant to drain storage tank, carefully monitor the storage tank level gage. by gravity into the storage tank.
Page 76 f. Close valves 1a, 1b, 3, 4, and 6. a. Turn on the chiller water pumps and monitor the chiller pressure. VALVE b. Valve positions: CONDITION g. Turn off the pumpout condenser water. VALVE CONDITION 4. Establish vacuum for service. To conserve refrigerant, operate the pumpout compressor as described in Step 3e c.
Page 77: Procedures
Open pumpout and storage tank valves 3 and 6; open chiller valves 1a and 1b. If the optional pumpout sys- Removing Refrigerant — tem is used, the 19XRV refrigerant charge may be transferred VALVE to a pumpout storage tank or to the chiller condenser or cooler CONDITION vessels.
Page 78: Weekly Maintenance
5. Close the charging valve on the chiller. Remove the pump is required when adding oil against refrigerant pressure. copper tube if it is no longer required. The oil charge for the 19XRV compressor depends on the Repair the Leak, Retest, and Apply Standing compressor Frame size: After pressurizing the chiller, test for Vacuum Test —...
Page 79: Scheduled Maintenance
The (Fig. 2). Slowly open the valve against refrigerant 19XRV chiller has an isolatable oil filter so that the filter pressure. may be changed with the refrigerant remaining in the 5.
Page 80: Vfd Refrigerant Strainer
Contact a Carrier representative to obtain these brushes. Do not It must be pointed toward the bubbler tube for proper operation.
Page 81: Optional Pumpout System Maintenance
ISO Viscosity ....... . 68 or 220 Carrier Part Number ... PP23BZ103 or PP23BZ104 The total oil charge is 13 oz.
Page 82: Troubleshooting Guide
The first area to second sensor, move the wire from the number 1 position to the Checking Display Messages — check when troubleshooting the 19XRV is the ICVC display. If number 3 position. the alarm light is flashing, check the primary and secondary There are 6 Checking Pressure Transducers —...
Page 83: Cooler Condenser Pressure Transducer
COOLER CONDENSER PRESSURE TRANSDUCER high altitude locations must be compensated for, so the AND OPTIONAL WATERSIDE FLOW DEVICE CALI- chiller temperature/pressure relationship is correct. BRATION — Calibration can be checked by comparing the The PIC III does not allow calibration if the transducer is pressure readings from the transducer to an accurate refrigera- too far out of calibration.
Page 84: Control Test
The tests can help to determine whether a switch is — Carrier Comfort Network® — Chiller Control Module defective or a pump relay is not operating, as well as other —...
Page 85 Table 16 — Alarm and Alert Messages (cont) D. PRE-START ALERTS: These alerts only delay start-up. When alert is corrected, the start-up will continue. No reset is necessary. ICVC FAULT PRIMARY SECONDARY PRIMARY CAUSE ADDITIONAL CAUSE/REMEDY STATE MESSAGE MESSAGE PRESTART STARTS LIMIT 100→Excessive compressor starts Depress the RESET softkey if additional start...
Page 86 Table 16 — Alarm and Alert Messages (cont) F. NORMAL RUN PRIMARY MESSAGE SECONDARY MESSAGE CAUSE/REMEDY RUNNING — RESET ACTIVE BY 4-20 mA SIGNAL Auto chilled water reset active based on external input. RUNNING — RESET ACTIVE REMOTE TEMP SENSOR Auto chilled water reset active based on external input.
Page 87 Table 16 — Alarm and Alert Messages (cont) H. OUT-OF-RANGE SENSOR ICVC FAULT PRIMARY SECONDARY PRIMARY CAUSE ADDITIONAL CAUSE/REMEDY STATE MESSAGE MESSAGE SENSOR FAULT LEAVING CHILLED WATER 260→Sensor Fault: Check Check sensor resistance or voltage drop. Leaving Chilled Water Sensor. Check for proper wiring.
Page 88 PROTECTIVE LIMIT RECTIFIER POWER 200→Rectifier Power Fault: Malfunction within VFD Power Module. FAULT Check VFD Status. Call Carrier Service. PROTECTIVE LIMIT INVERTER POWER FAULT 201→Inverter Power Fault: Malfunction within VFD Power Module. Check VFD Status. Call Carrier Service. PROTECTIVE LIMIT MOTOR AMPS NOT 202→Motor Amps Not...
Page 89 Check Motor and Current Check motor power leads for phase to phase or Sensors. phase to ground shorts. Disconnect motor from VFD and megger motor. Call Carrier Service. PROTECTIVE LIMIT UNUSED 221→UNUSED PROTECTIVE LIMIT LINE FREQUENCY TRIP 222→Line Frequency —...
Page 90 This fault is 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. PROTECTIVE LIMIT LOW DISCHARGE 240→Check for Oil in Or Check for oil loss or excessive refrigerant.
Page 91 Table 16 — Alarm and Alert Messages (cont) I. CHILLER PROTECTIVE LIMIT FAULTS (cont) ICVC FAULT PRIMARY SECONDARY PRIMARY CAUSE ADDITIONAL CAUSE/REMEDY STATE MESSAGE MESSAGE PROTECTIVE LIMIT HIGH VFD SPEED 245→Actual VFD Speed Actual VFD Speed on COMPRESS screen must exceeded limit of Target VFD not exceed Target VFD Speed by more than Speed + 10%.
Page 92 284→VFD Gateway Compati- VFD Gateway and VFD software versions are CONFLICT bility Conflict: Check VFG/ not compatible. VFD Versions. Call Carrier Service. VFD GATEWAY COMPATIBILITY 285→VFD Gateway Compati- VFD Gateway and ICVC software versions are CONFLICT bility Conflict: Check VFG/ not compatible.
Page 93 Table 16 — Alarm and Alert Messages (cont) J. CHILLER ALERTS (cont) ICVC FAULT PRIMARY SECONDARY PRIMARY CAUSE ADDITIONAL CAUSE/REMEDY STATE MESSAGE MESSAGE CONDENSER PUMP RELAY 151→High Condenser Pres- Check sensor wiring and accuracy. PRESSURE ALERT ENERGIZED sure [VALUE]: Pump Ener- Check condenser flow and water temperature.
Page 94 Table 17 — Fault Code Descriptions and Corrective Actions Fault Type indicates if the fault is: 1 — Auto-resettable 2 — Non-resettable 3 — User-configurable 4 — Normal Fault VFD FAULT ICVC FAULT FAULT TYPE DESCRIPTION ACTION CODE STATE Auxiliary Input 1 Input is open.
Page 95 3 seconds has been exceeded. HW Fault 4 Inverter section of power structure a. Cycle power. hardware detected an unexpected fault b. Call Carrier service. during power stage diagnostics. 71- 75 Port 1-5 Net Loss The network card connected to DPI port a.
Page 96 Table 17 — Fault Code Descriptions and Corrective Actions (cont) Fault Type indicates if the fault is: 1 — Auto-resettable 2 — Non-resettable 3 — User-configurable 4 — Normal Fault VFD FAULT ICVC FAULT FAULT TYPE DESCRIPTION ACTION CODE STATE Incompat MCB-PB 2 Drive rating information stored on the Load compatible version files into drive.
Page 97 Table 17 — Fault Code Descriptions and Corrective Actions (cont) Fault Type indicates if the fault is: 1 — Auto-resettable 2 — Non-resettable 3 — User-configurable 4 — Normal Fault VFD FAULT ICVC FAULT FAULT TYPE DESCRIPTION ACTION CODE STATE Input Amp Input phase current imbalance exceeded Check for loose connection in input power...
Page 98 Table 18A — Thermistor Temperature (F) vs. Resistance/Voltage Drop PIC III PIC III PIC III TEMPERATURE RESISTANCE TEMPERATURE RESISTANCE TEMPERATURE RESISTANCE VOLTAGE VOLTAGE VOLTAGE (Ohms) (Ohms) (Ohms) DROP (V) DROP (V) DROP (V) –25 4.700 97,706 2.565 6,568 0.630 –24 4.690 94,549 2.533...
Page 99 Table 18B — Thermistor Temperature (C) vs. Resistance/Voltage Drop PIC III PIC III TEMPERATURE RESISTANCE TEMPERATURE RESISTANCE VOLTAGE VOLTAGE (Ohms) (Ohms) DROP (V) DROP (V) –33 4.722 105 616 1.338 2 272 –32 4.706 99 640 1.300 2 184 –31 4.688 93 928 1.263...
Page 100: Control Modules
the ICVC. Communications between the ICVC and the Control Modules CCM is accomplished through the SIO (Sensor Input/ Output) bus, which is a phone cable. The communication between the CCM and VFD is accomplished through the sensor bus, which is a 3-wire cable. Turn controller power off before servicing controls.
Page 101: V/I Inputs
The proper software is factory-installed computer. by Carrier in the replacement module. When ordering a Any communication wires from other chillers or CCN replacement chiller visual control (ICVC) module, specify the...
Page 102: Gateway Status Leds
COLOR DESCRIPTION Red/Green Alternating Control board application firmware may be corrupt. Call Carrier Service. Yellow/Green/Red Control board RAM failure or control board firmware may be corrupt. Call Carrier Service. Repeating Pattern Fig. 46 — DPI Communications Interface Board Status LEDs...
Page 103: Drive Status Indicator
DRIVE STATUS INDICATOR — The DRIVE status indica- NET A STATUS INDICATOR — The NET A status indica- tor is on the right side of the Gateway. See Table 19. tor is the third LED from the right of the Gateway. See Table 21.
Page 104 Table 23A — Heat Exchanger Data (English) ENGLISH NUMBER OF TUBES Dry (Rigging) Weight (lb) Chiller Charge SIZE Refrigerant Weight (lb) Water Volume (gal) Cooler Condenser Cooler Only Condenser Only Cooler Condenser Cooler Condenser 3,407 3,373 3,555 3,540 3,711 3,704 4,071 3,694 4,253...
Page 105 Table 23B — Heat Exchanger Data (SI) NUMBER OF TUBES Dry (Rigging) Weight (kg) Chiller Charge SIZE Refrigerant Weight (kg) Water Volume (L) Cooler Condenser Cooler Only Condenser Only Cooler Condenser Cooler Condenser 1545 1530 1613 1606 1683 1680 1847 1676 1929 1769...
Page 106 Table 24A — 19XRV Additional Data for Cooler Marine Water Boxes* ENGLISH COOLER FRAME, PASS Rigging Weight Water Volume Rigging Weight Water Volume psig (lb) (gal) (kg) FRAME 2, 1 AND 3 PASS FRAME 2, 2 PASS FRAME 3, 1 AND 3 PASS...
Page 107 Table 25 — 19XRV Compressor Weights FRAME 4 FRAME 4 FRAME 2 FRAME 3 COMPRESSOR COMPRESSOR FRAME 5 COMPRESSOR COMPRESSOR WEIGHT WEIGHT COMPRESSOR COMPONENT WEIGHT WEIGHT (Without Split (With Split WEIGHT Ring Diffuser) Ring Diffuser) SUCTION ELBOW DISCHARGE ELBOW TRANSMISSION*...
Page 108 Table 26A — 19XRV Motor Weights — Standard Motors ENGLISH MOTOR Stator Weight* (lb) Rotor Weight† (lb) Stator Weight* (kg) Rotor Weight† (kg) End Bell End Bell CODE Cover (lb) Cover (kg) 60 Hz 50 Hz 60 Hz 50 Hz...
Page 109 Table 26B — 19XRV Motor Weights — High-Efficiency Motors ENGLISH MOTOR Stator Weight* (lb) Rotor Weight† (lb) Stator Weight* (kg) Rotor Weight† (kg) End Bell End Bell CODE Cover (lb) Cover (kg) 60 Hz 50 Hz 60 Hz 50 Hz...
Page 110 Table 27A — 19XRV Cooler Waterbox Cover Weights — English (lb) FRAME 2 FRAME 3 HEAT WATERBOX DESCRIPTION Standard Standard EXCHANGER Flanged Flanged Nozzles Nozzles NIH, 1 Pass Cover, 150 psig NIH, 2 Pass Cover, 150 psig NIH, 3 Pass Cover, 150 psig...
Page 111 Table 27B — 19XRV Cooler Waterbox Cover Weights — SI (kg) FRAME 2 FRAME 3 HEAT WATERBOX DESCRIPTION Standard Standard EXCHANGER Flanged Flanged Nozzles Nozzles NIH, 1 Pass Cover, 150 psig NIH, 2 Pass Cover, 150 psig NIH, 3 Pass Cover, 150 psig...
Page 112 Table 28A — 19XRV Condenser Waterbox Cover Weights — English (lb) FRAME 2 FRAME 3 HEAT WATERBOX DESCRIPTION Standard Standard EXCHANGER Flanged Flanged Nozzles Nozzles NIH, 1 Pass Cover, 150 psig NIH, 2 Pass Cover, 150 psig NIH, 3 Pass Cover, 150 psig...
Page 113 Table 28B — 19XRV Condenser Waterbox Cover Weights — SI (kg) FRAME 2 FRAME 3 HEAT WATERBOX DESCRIPTION Standard Standard EXCHANGER Flanged Flanged Nozzles Nozzles NIH, 1 Pass Cover, 150 psig NIH, 2 Pass Cover, 150 psig NIH, 3 Pass Cover, 150 psig...
Page 114 Table 29 — Optional Pumpout Electrical Data PUMPOUT UNIT VOLTS-PH-Hz MAX RLA 19XR04026501 208/230-3-60 15.8 19XR04026501 208/230-3-50 15.8 19XR04026502 460-3-60 19XR04026503 400-3-50 LEGEND LRA — Locked Rotor Amps RLA — Rated Load Amps Table 30 — Additional Miscellaneous Weights FRAME 2 FRAME 3 FRAME 4 FRAME 5...
Page 115 .0050/.0040 .0048/.0038 .0048/.0038 .0062/.0052 *Depends on impeller size, contact your Carrier Service Represen- must be removed from the high speed shaft and bearing assem- tative for more information. bly before the high speed shaft and bearing assembly can be separated from the transmission.
Page 116 SEE VIEW A1 OR A2 SEE VIEW B COMPRESSOR, TRANSMISSION AREA (FRAME 5 COMPRESSOR SHOWN) 1) OIL HEATER RETAINING NUT (NOT SHOWN) 2) BULL GEAR RETAINING BOLT 3) DEMISTER BOLTS (NOT SHOWN) a19-1635 4) IMPELLER BOLT COMPRESSOR, TRANSMISSION AREA THRUST THRUST a19-1636 a19-1637...
Page 117 NOTE 5 THRUST IMPELLER SHIMMING TO BE DETERMINED AT ASSEMBLY SEE VIEW C a19-1639 VIEW B — HIGH SPEED SHAFT (FRAME 2, 4, OR 5) +0.0007 -0.0007 0.0050 0.025 0.0020 0.005 +0.0007 -0.0007 THRUST 0.0011 0.0013 INTERFERENCE 0.0011 0.0013 INTERFERENCE 0.0012 a19-1640 0.0004...
Page 118 VIEW C — HIGH SPEED SHAFT RING SEAL a19-1642 a19-1643 MOTOR LEAD INSTALLATION LABELS 19XRV COMPRESSOR ASSEMBLY TORQUES COMPRESSOR FRAME 2 FRAME 3 FRAME 4 FRAME 4 FRAME 5 Code 201-299, 2ZZ 321-389, 3ZZ 421-487 4B1-4W7 501-599 ITEM With Rolling...
Page 119 — Oil Pump Contactor — Circuit Breaker — Hot Gas Bypass Relay — Chiller Control Module Pressure Switch Field Control Wiring — Carrier Comfort Network® Field Power Wiring — Common Compr Oil Pump Terminal Factory Wiring COMM — Communications Cartridge Fuse DL/DP —...
Page 120 a19-1716...
Page 121 a19-1732...
Page 122 a19-1733...
Page 123 a19-1734...
Page 124 a19-1735...
Page 125 a19-1736...
Page 126 a19-1737...
Page 127 a19-1738...
Page 128 a19-1739...
Page 129 a19-1740...
Page 130 a19-1715...
Page 131 Spare Safety Devices [N.C.] See Note 3.1 Remote Start/Stop Device [N.O.] See Note 3.1 Remote Alarm See Note 3.3 Remote Annunciator See Note 3.3 Line Side Lug Adapters See Note 2.3 Ice Build Start/Terminate Device See Note 3.1 Fig. 56 — 19XRV Field Wiring...
Page 132 Fig. 56 — 19XRV Field Wiring (cont)
Page 133 Fig. 56 — 19XRV Field Wiring (cont)
Page 134 (devices must comply with details in equipment submittal drawings not supplied by Carrier) must have 24 vac rating. Max current and literature. is 60 mA, nominal current is 10 mA. Switches with gold- 1.4 Contacts and switches are shown in the position they would...
Page 135 a19-1717...
Page 136 a19-1655...
Page 137 a19-1744...
Page 138: Appendix - 19Xrv Liquiflo™ 2 Icvc
APPENDIX — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX MENU PARAMETER TABLE SCREEN NAME CONFIGURABLE SOFTKEY 0% Actual Guide Vane Position SERVICE CONTROL TEST GUIDE VANE CALIBRATION 100% Actual Guide Vane Position SERVICE CONTROL TEST GUIDE VANE CALIBRATION Current Alarm State...
Page 139 APPENDIX — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont) MENU PARAMETER TABLE SCREEN NAME CONFIGURABLE SOFTKEY Chilled Water Temp STATUS MAINSTAT Chilled Water Temp SERVICE CONTROL ALGORITHM STATUS WSMDEFME Chiller Fault State SERVICE CONTROL ALGORITHM STATUS VFD_HIST Chiller Start/Stop STATUS MAINSTAT CHW Delta T->Full Reset...
Page 140 APPENDIX — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont) MENU PARAMETER TABLE SCREEN NAME CONFIGURABLE SOFTKEY Date SERVICE TIME AND DATE Day of Week SERVICE TIME AND DATE Daylight Savings SERVICE EQUIPMENT CONFIGURATION BRODEF DC Bus Voltage STATUS POWER DC Bus Voltage...
Page 141 APPENDIX — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont) MENU PARAMETER TABLE SCREEN NAME CONFIGURABLE SOFTKEY Evaporator Refrig Temp STATUS HEAT_EX Evaporator Refrig Temp SERVICE CONTROL ALGORITHM STATUS OVERRIDE Evaporator Refrigerant Temperature DEFAULT SCREEN Flow Delta P Display SERVICE EQUIPMENT SERVICE...
Page 142 APPENDIX — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont) MENU PARAMETER TABLE SCREEN NAME CONFIGURABLE SOFTKEY LCW Reset SERVICE CONTROL ALGORITHM STATUS CAPACITY LCW Setpoint SETPOINT SETPOINT LEAD CHILLER in Control SERVICE CONTROL ALGORITHM STATUS LL_MAINT Lead Lag Control SERVICE...
Page 143 APPENDIX — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont) MENU PARAMETER TABLE SCREEN NAME CONFIGURABLE SOFTKEY Loadshed SERVICE CONTROL ALGORITHM STATUS LOADSHED Loadshed Function SERVICE EQUIPMENT CONFIGURATION NET_OPT Loadshed Function SERVICE CONTROL ALGORITHM STATUS LOADSHED Loadshed Timer SERVICE CONTROL ALGORITHM STATUS...
Page 144 APPENDIX — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont) MENU PARAMETER TABLE SCREEN NAME CONFIGURABLE SOFTKEY Percent Line Current STATUS MAINSTAT Percent Line Current STATUS POWER Percent Line Current DEFAULT SCREEN Percent Line Kilowatts STATUS MAINSTAT Percent Line Kilowatts STATUS...
Page 145 APPENDIX — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont) MENU PARAMETER TABLE SCREEN NAME CONFIGURABLE SOFTKEY RUNTIME SERVICE EQUIPMENT CONFIGURATION RUNTIME Schedule Number SERVICE EQUIPMENT CONFIGURATION NET_OPT SECONDARY MESSAGE DEFAULT SCREEN Serial Number SERVICE ICVC CONFIGURATION Service Ontime STATUS MAINSTAT...
Page 146 APPENDIX — 19XRV LIQUIFLO™ 2 ICVC PARAMETER INDEX (cont) MENU PARAMETER TABLE SCREEN NAME CONFIGURABLE SOFTKEY Surge/HGBP Deadband SERVICE EQUIPMENT SERVICE OPTIONS Surge/HGBP Delta P1 SERVICE EQUIPMENT SERVICE OPTIONS Surge/HGBP Delta P2 SERVICE EQUIPMENT SERVICE OPTIONS Surge/HGBP Delta T STATUS...
Page 147: Index
Safety shutdown ICVC operation and menus Scheduled maintenance 79-81 Initial start-up Service configurations (input) 70, 71 Initial start-up checklist for 19XRV hermetic Service ontime centrifugal liquid chiller Service operation CL-1 to CL-12 Input power wiring Shipping packaging (remove) Inspect the control panel...
Page 148 Copyright 2006 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53190002-01 Printed in U.S.A. Form 19XRV-2SS Pg 148 11-06 Replaces: 19XRV-1SS Book 2...
Page 149 INITIAL START-UP CHECKLIST FOR 19XRV HERMETIC CENTRIFUGAL LIQUID CHILLER (Remove and use for job file.) MACHINE INFORMATION: NAME JOB NO. ADDRESS MODEL CITY STATE DESIGN CONDITIONS: TONS FLOW TEMPERATURE TEMPERATURE PRESSURE SUCTION CONDENSER BRINE PASS (kW) RATE DROP TEMPERATURE TEMPERATURE...
Page 150 E: Give operating instructions to owner’s operating personnel. Hours Given: Hours F: Call your Carrier factory representative to report chiller start-up. G: Register LiquiFlo2 VFD startup at www.automation.rockwell.com/complete1/warp. H: Return a copy of this checklist to the local Carrier Service office. SIGNATURES: CARRIER CUSTOMER...
Page 151 19XRV PIC III SETPOINT TABLE CONFIGURATION SHEET DESCRIPTION RANGE UNITS DEFAULT VALUE Base Demand Limit 40 to 100 10 to 120 LCW Setpoint DEG F (C) 50.0 (10) (-12.2 to 48.9) 15 to 120 ECW Setpoint DEG F (C) 60.0 (15.6) (-9.4 to 48.9)
Page 152 Period 4: Period 5: Period 6: Period 7: Period 8: NOTE: Default setting is OCCUPIED 24 hours/day. ICE BUILD 19XRV PIC III TIME SCHEDULE CONFIGURATION SHEET OCCPC02S Day Flag Occupied Unoccupied Time Time M T W T F S S H...
Page 153 19XRV PIC III VFD_CONF TABLE CONFIGURATION SHEET DESCRIPTION RANGE UNITS DEFAULT VALUE Motor Nameplate Voltage 380-460 VOLTS Compressor 100% Speed 45.0-62.0 60.0 Line Freq=60 Hz? (No=50) NO/YES * Rated Line Voltage 346-480 VOLTS * Rated Line Amps 10-1500 AMPS * Rated Line Kilowatts...
Page 154 19XRV PIC III OPTIONS TABLE CONFIGURATION SHEET DESCRIPTION RANGE UNITS DEFAULT VALUE Auto Restart Option DSABLE/ENABLE DSABLE Remote Contacts Option DSABLE/ENABLE DSABLE Soft Stop Amps Threshold 40 to 100 Surge/Hot Gas Bypass Surge Limit/HGBP Option Select: Surge=0, HGBP=1 Min. Load Point (T1, P1) 0.5 to 20...
Page 155 19XRV PIC III SETUP1 TABLE CONFIGURATION SHEET DESCRIPTION RANGE UNITS DEFAULT VALUE 150 to 200 Comp Motor Temp Override °F (°C) 200 (93) (66 to 93) 90 to 165 Cond Press Override PSI (kPa) 125 (862) (621 to 1138) 155 to 170 Rectifier Temp Override °F (°C)
Page 156 19XRV PIC III SETUP2 TABLE CONFIGURATION SHEET DESCRIPTION STATUS UNITS DEFAULT VALUE Capacity Control Proportional Inc Band 2 to 10 Proportional DEC Band 2 to 10 Proportional ECW Gain 1 to 3 Guide Vane Travel Limit 30 to 100 Diffuser Control...
Page 157 19XRV PIC III LEADLAG TABLE CONFIGURATION SHEET DESCRIPTION RANGE UNITS DEFAULT VALUE Lead Lag Control LEAD/LAG: Configuration DSABLE=0, LEAD=1, 0 to 3 LAG=2, STANDBY=3 Load Balance Option DSABLE/ENABLE DSABLE Common Sensor Option DSABLE/ENABLE DSABLE LAG% Capacity 25 to 75 LAG Address...
Page 158 19XRV PIC III RAMP_DEM TABLE CONFIGURATION SHEET DESCRIPTION RANGE UNITS DEFAULT VALUE Pulldown Ramp Type: Select: Temp=0, Load=1 Demand Limit and kW Ramp Demand Limit Source Select: Amps=0, kW=1 Amps or kW Load Ramp% Min 5 to 20 Demand Limit Prop Band...
Page 159 BROADCAST (BRODEF) CONFIGURATION SHEET DESCRIPTION RANGE UNITS DEFAULT VALUE Time Broadcast Enable DSABLE/ENABLE DSABLE Daylight Savings Start Month 1 to 12 Start Day of Week 1 to 7 Start Week 1 to 5 Start Time 00:00 to 24:00 HH:MM 02:00 Start Advance 0 to 360 Stop Month...
Page 160 OILPRESS COMMUNICATION MESSAGE LOCAL RESET MENU a19-1657 Copyright 2006 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book Catalog No. 04-53190002-01 Printed in U.S.A. Form 19XRV-2SS...

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

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