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Содержание 23XL

Страница 1: ...GOGGLES Wash any spills from the skin with soap and water If liquid refrigerant enters the eyes IMMEDIATELY FLUSH EYES with water and consult a physician NEVER APPLY an open flame or live steam to a refrigerant cylinder Dangerous over pressure can result When it is necessary to heat refrigerant use only warm 110 F 43 C water DO NOT REUSE disposable nonreturnable cylinders or attempt to refill them...

Страница 2: ... 39 Page Oil Sump Temperature Control TC Frame 1 and 2 Chillers Only 39 Remote Start Stop Controls 40 Spare Safety Inputs 40 Spare Safety Alarm Contacts 40 Refrigerant Leak Detector 40 Condenser Pump Control 40 Condenser Freeze Protection 40 Tower Fan Relay Low and High 40 Auto Restart After Power Failure 41 Water Brine Reset 41 RESET TYPE 1 RESET TYPE 2 RESET TYPE 3 Demand Limit Control Option 41...

Страница 3: ...tion 67 Slide Valve Operation 67 Refrigeration Log 67 PUMPOUT AND REFRIGERANT TRANSFER PROCEDURES 69 71 Preparation 69 Page Operating the Optional Pumpout Unit 69 TO READ REFRIGERANT PRESSURES Chillers with Isolation Valves 70 TRANSFER ALL REFRIGERANT TO CHILLER CONDENSER VESSEL TRANSFER ALL REFRIGERANT TO CHILLER COOLER VESSEL RETURN CHILLER TO NORMAL OPERATING CONDITIONS Chillers With Storage Ta...

Страница 4: ...s unit uses a microprocessor control system Do not short or jumper between terminations on circuit boards or modules Control or board failure may result Be aware of electrostatic discharge static electricity when handling or making contact with circuit boards or module connections Always touch a chassis grounded part to dis sipate body electrostatic charge before working inside con trol center Use...

Страница 5: ...ssor lubrication system control panel and optional motor starter All connections from pressure vessels have external threads to enable each component to be pressure tested with a threaded pipe cap during factory assembly CCM Chiller Control Module CCN Carrier Comfort Network CVC Chiller Visual Controller CCW Counterclockwise CW Clockwise ECDW Entering Condenser Water ECW Entering Chilled Water EMS...

Страница 6: ...erbox Drain Port 10 Cooler Supply Return End Waterbox Cover 11 Condenser Supply Return End Waterbox Cover 12 Compressor Nameplate Hidden REAR VIEW 13 Oil Separator 14 ASME Nameplate Muffler Hidden 15 ASME Nameplate Oil Separator 16 Cooler Relief Valves Hidden 17 Oil Sump Filter Assembly 18 Oil Charging Valve 19 Vessel Separation Feet 20 Float Chamber 21 Condenser Isolation Valve Option or Accessor...

Страница 7: ...14 ASME Nameplate Condenser Cooler 15 Cooler Supply Return End Waterbox Cover 16 Condenser Temperature Sensors 17 Condenser Water Pressure Sensors 18 Cooler Relief Valve 19 Unit Mounted Starter option 20 ASME Nameplate Oil Separator 21 Oil Separator Relief Valves 22 Oil Separator 23 Oil Charging Valve 24 Condenser Isolation Valve Option or Accessory 25 Service Valve 26 Cooler Refrigerant Isolation...

Страница 8: ...the vapor condenses to liquid The liquid refrigerant passes through orifices into the FLASC Flash Subcooler chamber Fig 3 and 4 Since the FLASC chamber is at a lower pressure part of the liquid refrig erant flashes to vapor thereby cooling the remaining liquid The FLASC vapor is recondensed on the tubes which are cooled by entering condenser water The liquid then passes through a float valve assem...

Страница 9: ...n causes the bulk of the oil to drop from the refrigerant and collect at the bottom of the oil separator A mesh screen is provided near the oil sep arator outlet to remove any additional oil which may still be en trained in the refrigerant vapor The oil sump TC frame 1 and 2 chillers contains a com bined level switch and temperature sensor 500 watt oil heater TC frame 1 and 2 chillers and oil filt...

Страница 10: ...GEND Fig 3 Refrigerant Oil Flow Schematic TC Frame 1 and 2 Chillers HGBP Hot Gas Bypass Refrigerant Liquid Flow Refrigerant Vapor Flow Oil and Refrigerant Liquid Flow Oil and Refrigerant Vapor Flow Oil Flow ...

Страница 11: ...11 LEGEND Fig 4 Refrigerant Oil Flow Schematic TD Frame 4 Chillers HGBP Hot Gas Bypass Refrigerant Liquid Flow Refrigerant Vapor Flow Oil and Refrigerant Vapor Flow Oil Flow ...

Страница 12: ... specifications in order to properly start and satisfy mechanical safety requirements Starters may be supplied as separate free standing units or may be mounted directly on the chiller unit mounted for low volt age units only Multiple separate circuit breakers are inside the starter Cir cuit breaker CB1 is the compressor motor circuit breaker The disconnect switch on the starter front cover is con...

Страница 13: ...y indicates voltage to the SCRs power indication proper phasing for rotation start circuit energized run state software configuration The starter is further explained in the Check Starter and Troubleshooting Guide sections pages 59 and 76 Unit Mounted Wye Delta Starter Optional The 23XL chiller may be equipped with a wye delta starter mounted on the unit This starter is intended for use with low v...

Страница 14: ...s and cooling tower fans to turn them on when required It continually checks all safeties to prevent any unsafe operating condition It also regulates the oil heater while the compressor is off and regulates the hot gas bypass valve if installed The PIC II controls provide critical protection for the compressor motor and controls the motor starter The PIC II can interface with the Carrier Comfort N...

Страница 15: ...15 Some 23XL chillers will have both an oil temperature sensor and an oil level safety switch two separate components Fig 11 23XL Control and Sensor Locations TC Frame 1 and 2 Chillers ...

Страница 16: ...16 Some 23XL chillers will have both an oil temperature sensor and an oil level safety switch two separate components Fig 12 23XL Control and Sensor Locations TD Frame 4 Chillers ...

Страница 17: ...odule monitors refrigerant pressure entering and leaving water temperatures and pressures and outputs control for the slide valve oil heat ers and oil pump The CCM is the connection point for option al demand limit chilled water reset 4 to 20 mA kW output re mote temperature reset and refrigerant leak sensor OIL HEATER CONTACTOR 1C This contactor is lo cated in the power panel Fig 16 and operates ...

Страница 18: ...18 Fig 15 Control Panel Fig 16 Power Panel ...

Страница 19: ...ss the softkey to view the list of menu struc tures and The STATUS menu allows viewing and limited calibra tion or modification of control points and sensors relays and contacts and the options board The SCHEDULE menu allows viewing and modifica tion of the local and CCN time schedules and Ice Build time schedules The SETPOINT menu allows set point adjustments such as the entering chilled water an...

Страница 20: ...d status table The list of tables is MAINSTAT Overall chiller status STARTUP Status required to perform start up of chiller COMPRESS Status of sensors related to the compressor HEAT_EX Status of sensors related to the heat exchangers POWER Status of motor input power ISM_STAT Status of motor starter CVC_PSWD Service menu password forcing access screen 3 Press to view the desired point status table...

Страница 21: ...it LCW Setpoint ECW Setpoint Ice Build Setpoint Tower Fan High Setpoint EXIT SELECT PREVIOUS NEXT Select a Schedule 1 2 3 4 5 6 7 8 Override ENABLE DISABLE EXIT SELECT PREVIOUS NEXT Select a Time Period Override Modify a Schedule Time ENTER EXIT INCREASE DECREASE ENTER EXIT ANALOG VALUES DISCRETE VALUES Add Eliminate a Day 1 Select a Status Table NEXT PREVIOUS SELECT EXIT START ON STOP OFF RELEASE...

Страница 22: ...DSHED WSMCHLRE Water System Manager OCCDEFCM Time Schedule Status NEXT PREVIOUS SELECT EXIT Select a Table NET_OPT BRODEF OCCEFCS HOLIDAYS CONSUME RUNTIME ANALOG VALUES DISCRETE VALUES Select a Parameter NEXT PREVIOUS SELECT EXIT Modify a Parameter ENTER ENABLE DISABLE QUIT DECREASE INCREASE ENTER QUIT NEXT PREVIOUS SELECT EXIT Select a Table EQUIPMENT CONFIGURATION List the Equipment Configuratio...

Страница 23: ...Screen MENU RESET CCN LOCAL LOG OUT OF DEVICE List Network Devices Local Device 1 Device 2 Device 3 Device 4 Device 5 Device 6 Device 7 Device 8 Device 9 Service Tables OPTIONS SETUP1 SETUP2 LEADLAG RAMP_DEM TEMP_CTL EQUIPMENT SERVICE ISM STARTER CONFIG DATA Service Tables ISM STARTER CONFIG PASSWORD ISM_CONF ENTER A 4 DIGIT PASSWORD 4 4 4 4 CVC CONFIGURATION EXIT INCREASE DECREASE ENTER CVC Confi...

Страница 24: ...rol Override Indication An override value is indicated by SUPVSR SERVC or BEST flashing next to the point value on the STATUS table TIME SCHEDULE OPERATION Fig 22 1 On the Menu screen press 2 Press or to highlight the de sired schedule OCCPC01S LOCAL Time Schedule OCCPC02S ICE BUILD Time Schedule OCCPC03S CCN Time Schedule 3 Press to view the desired time schedule 4 Press or to highlight the de si...

Страница 25: ...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 46 The ice build ICE BUILD function is also activated and configured from the SERVICE menu 3 Press or to highlight the desired set point ent...

Страница 26: ...nt Names in lower case type can be viewed by CCN or BS only by viewing the whole table 7 Alarms and Alerts An asterisk in the far right field of a CVC sta tus screen indicates that the chiller is in an alarm state an excla mation point in the far right field of the CVC screen indicates an alert state The asterisk or exclamation point indicates that the value on that line has exceeded or is approac...

Страница 27: ...0 DEG F LCW_STPT Chilled Water Temp 40 245 DEG F CHW_TMP Active Demand Limit 40 100 DEM_LIM Average Line Current 0 999 AMPS_ Motor Percent Kilowatts 0 999 KW_P Auto Demand Limit Input 4 20 mA AUTODEM Auto Chilled Water Reset 4 20 mA AUTORES Remote Reset Sensor 40 245 DEG F R_RESET Total Compressor Starts 0 99999 C_STARTS Starts in 12 Hours 0 8 STARTS Compressor Ontime 0 500000 0 HOURS C_HRS Servic...

Страница 28: ... MTRW Rotor Inlet Temperature 40 245 DEG F ROTOR _ T Discharge Temperature 40 245 DEG F CMPD Discharge Superheat 40 245 F SUPRHEAT Variable Index Relay 0 1 OFF ON VAR_INDX Target VFD Speed 1 100 VFD_OUT Actual VFD Speed 0 110 VFD_ACT Stall Protection Counts 0 5 spc Spare Temperature 1 40 245 DEG F SPARE1 Spare Temperature 2 40 245 DEG F SPARE2 DESCRIPTION STATUS UNITS POINT Chilled Water Delta P 6...

Страница 29: ...REQ 12T Sum Heat Phase 1 0 200 HEAT1SUM 12T Sum Heat Phase 2 0 200 HEAT2SUM 12T Sum Heat Phase 3 0 200 HEAT3SUM DESCRIPTION STATUS UNITS POINT ISM Fault Status 0 223 ISMFLT Single Cycle Dropout 0 1 NORMAL ALARM CYCLE_1 Phase Loss 0 1 NORMAL ALARM PH_LOSS Overvoltage 0 1 NORMAL ALARM OV_VOLT Undervoltage 0 1 NORMAL ALARM UN_VOLT Current Imbalance 0 1 NORMAL ALARM AMP_UNB Voltage Imbalance 0 1 NORMA...

Страница 30: ...0 100 DLM 100 Control Point LCW Setpoint 10 120 DEG F lcw_sp 50 0 ECW Setpoint 15 120 DEG F ecw_sp 60 0 Ice Build Setpoint 15 60 DEG F ice_sp 40 0 Tower Fan High Setpoint 55 105 DEG F tf2_sp 75 DESCRIPTION STATUS UNITS POINT Entering Chilled Water 40 245 DEG F ECW Leaving Chilled Water 40 245 DEG F LCW Capacity Control Control Point 7 120 DEG F ctrlpt Control Point Error 99 99 F cperr ECW Delta T ...

Страница 31: ...ure 0 420 PSI CRP Cond Press Override 150 260 PSI CP_OVER Evaporator Refrig Temp 40 245 DEG F ERT Evap Ref Override Temp 2 245 DEG F RT_OVER Comp Discharge Temp 40 245 DEG F CMPD Comp Discharge Alert 125 200 DEG F CD_ALERT Oil Filter Delta P 0 245 PSI OILF_PD Discharge Superheat 20 999 F SUPRHEAT Rotor Inlet Temperature 40 245 DEG F ROTOR_T Condenser Refrig Temp 40 245 DEG F CRT DESCRIPTION STATUS...

Страница 32: ...ine Current Phase 1 0 99999 AMPS AMPS_1F Line Current Phase 2 0 99999 AMPS AMPS_2F Line Current Phase 3 0 99999 AMPS AMPS_3F Line Voltage Phase 1 0 99999 VOLTS VOLTS_1F Line Voltage Phase 2 0 99999 VOLTS VOLTS_2F Line Voltage Phase 3 0 99999 VOLTS VOLTS_3F Ground Fault Phase 1 0 999 AMPS GF_1F Ground Fault Phase 2 0 999 AMPS GF_2F Ground Fault Phase 4 0 999 AMPS GF_3F 12T Sum Heat Phase 1 0 200 HE...

Страница 33: ...arter 1 0 Full 1 Red 2 SS VFD Motor Rated Line Voltage 200 13200 VOLTS v_fs 460 Volt Transformer Ratio 1 1 33 vt_rat 1 Overvoltage Threshold 105 115 overvolt 115 Undervoltage Threshold 85 95 undvolt 85 Over Under Volt Time 1 10 SEC uvuntime 5 Voltage Imbalance 1 10 v_unbal 10 Voltage Imbalance Time 1 10 SEC v_time 5 Motor Rated Load Amps 10 5000 AMPS a_fs 200 Motor Locked Rotor Trip 100 60000 AMPS...

Страница 34: ...tall HGBP Delta T1 0 5 20 F hgb_dt1 1 5 Stall HGBP Delta P1 30 170 PSI hgb_dp1 150 Full Load Point T2 P2 Stall HGBP Delta T2 0 5 20 F hbg dt2 4 Stall HGBP Delta P2 30 250 PSI hgb_dp2 200 Stall HGBP Deadband 0 5 3 F hbg_db 1 Stall Protection Stall Delta Amps 5 20 stall_a 10 Stall Time Period 7 10 MIN stall_t 8 Ice Build Control Ice Build Option 0 1 DSABLE ENABLE ibopt DSABLE Ice Build Termination 0...

Страница 35: ... 5 0 F REF_OVER 3 Condenser Freeze Point 20 35 DEG F CDFREEZE 34 Evap Flow Delta P Cutout 0 5 50 0 PSI EVAP_CUT 5 0 Cond Flow Delta P Cutout 0 5 50 0 PSI COND_CUT 5 0 Water Flow Verify Time 0 5 5 MIN WFLOW_T 5 Oil Filter Pressure Alert 1 15 PSI OILFALRT 3 Recycle Control Recycle Restart Delta T 2 0 10 0 DEG F rcycr_dt 5 Recycle Shutdown Delta 0 5 4 0 DEG F rcycs_dt 1 Spars Alert Alarm Enable Disab...

Страница 36: ...FAULT Timer 2 30 MIN preft 5 STANDBY Chiller Optioin 0 1 DSABLE ENABLE stndopt DSABLE STANDBY Capacity 25 75 stnd_per 50 STANDBY Address 1 236 stnd_add 93 DESCRIPTION STATUS UNITS POINT DEFAULT Pulldown Ramp Type 0 1 rampslct 1 Select Temp 0 Load 1 Demand Limit kW Ramp Demand Limit Source 0 1 dem_src 0 Select Amps 0 kW 1 Motor Load Ramp Min 5 20 kw_ramp 10 Demand Limit Prop Band 3 15 dem_app 10 De...

Страница 37: ...s 6 0 NOTE Increasing either of these settings causes the slide valve to respond more slowly than they would at a lower setting The PROPORTIONAL ECW BAND can be adjusted on the CVC display for values of 1 2 or 3 the default setting is 2 Increase this setting to increase slide valve response to a change in entering chilled water temperature DEMAND LIMITING The PIC II responds to the ACTIVE DEMAND L...

Страница 38: ...ssage the second line displays a secondary alarm message The CVC default screen freezes to enable the operator to see the conditions of the chiller at the time of the alarm If the value in alarm is one normally displayed on the default screen it flashes between normal and reverse video The CVC default screen remains frozen until the condition that caused the alarm is remedied by the operator Knowl...

Страница 39: ...DISCHARGE SUPERHEAT Oil sump temp condenser refrigerant temp is less than 20 F 11 1 C Only appli cable to TC frame 1 and 2 chillers Preset monitored 30 minutes after start up completion must be outside range for 10 consecutive minutes OIL PRESSURE Dirty Oil Filter Oil pressure transducer less than con denser pressure oil filter pressure alert starting 40 seconds after motor current 10 and oil pres...

Страница 40: ... tor the condenser pressure CONDENSER PRESSURE and may turn on the condenser pump if the condenser pressure be comes too high while the compressor is shut down The con denser pressure override COND PRESS OVERRIDE parame ter is used to determine this pressure point COND PRESS OVERRIDE is found in the SETUP1 display screen which is accessed from the EQUIPMENT SERVICE table The default value is 230 p...

Страница 41: ...config ured for either an externally powered 4 to 20 mA or a 0 to 5 vdc signal Reset Type 1 permits up to 30 F 16 C of automatic reset to the chilled water set point The auto chilled water reset is hardwired to terminals J5 3 and J5 4 on the CCM Switch setting number 2 on SW2 will determine the type of input signal With the switch set at the ON position the input is configured for an externally po...

Страница 42: ...cessed from the SERVICE menu and EQUIPMENT SERVICE table See Table 3 Example 19 Lead lag status during chiller operation can be viewed on the LL_MAINT display screen which is accessed from the SER VICE menu and CONTROL ALGORITHM STATUS table See Table 3 Example 11 Lead Lag System Requirements all chillers in the system must have software capable of performing the lead lag function water pumps MUST...

Страница 43: ...ag chiller is faulted in alarm or is in the OFF or LOCAL modes the chiller at the STANDBY ADDRESS if configured is requested to start After the second chiller is started and is running the lead chiller monitors conditions and evaluates whether the ca pacity has been reduced enough for the lead chiller to sustain the system alone If the capacity is reduced enough for the lead chiller to sustain the...

Страница 44: ... compressor motor load value MOTOR PERCENT KILOWATTS or AVERAGE LINE CURRENT on the MAIN STAT screen This value has limits of 40 to 100 When the lag chiller ACTIVE DEMAND LIMIT is set the CONTROL POINT must be modified to a value of 3º F 1 67º C less than the lead chiller s CONTROL POINT value If the LOAD BAL ANCE OPTION is disabled the ACTIVE DEMAND LIMIT and the CONTROL POINT are forced to the s...

Страница 45: ... configured on TEMP_CTL screen 20 mA DEMAND LIMIT OPT configured on RAMP_DEM screen TERMINATION OF ICE BUILD The ice build function terminates under the following conditions 1 Time Schedule When the current time on the ice build time schedule OCCPC02S is not set as an ice build time period 2 Entering Chilled Water Temperature Compressor operation terminates based on temperature if the ICE BUILD TE...

Страница 46: ...l module on the chiller Press the softkey to attach to the LOCAL device and view the chiller operation Service Operation An overview of the tables and screens available for the SERVICE function is shown in Fig 21 TO ACCESS THE SERVICE SCREENS When the SER VICE screens are accessed a password must be entered 1 From the main MENU screen press the softkey The softkeys now correspond to the numerals 1...

Страница 47: ... set to YES For more information on occupancy schedules see the sections on Time Schedule Operation page 24 Occupancy Schedule page 37 and To Prevent Accidental Start Up page 66 and Fig 22 If the OCCUPIED parameter on the MAINSTAT screen is set to NO the chiller can be forced to start as follows From the default CVC screen press the and softkeys Scroll to highlight MAINSTAT Press the softkey Scrol...

Страница 48: ...s greater than 15 after shutdown or the starter contacts remain energized the chilled water pump remains energized and the alarm is displayed The condenser pump shuts down when the CON DENSER PRESSURE is less than the CONDENSER PRESSURE 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 3º F 1 6º C If the c...

Страница 49: ...during a safety shutdown the CVC displays the reason for the shutdown the alarm light blinks continuously and the spare alarm contacts are energized After a safety shutdown the softkey must be pressed to clear the alarm If the alarm condition is still present the alarm light continues to blink Once the alarm is cleared the operator must press the or softkeys to re start the chiller BEFORE INITIAL ...

Страница 50: ...efrigerant used in the chiller Proceed with the test for small leaks Steps 3 7 3 Check the chiller carefully with an electronic leak detector or halide torch 4 Leak Determination If an electronic leak detector indicates a leak use a soap bubble solution if possible to confirm Total all leak rates for the entire chiller Leakage at rates greater than 1 lb year 0 45 kg year for the entire chiller mus...

Страница 51: ...51 Fig 31 23XL Leak Test Procedure ...

Страница 52: ...52 Fig 32 Typical Optional Pumpout System Piping Schematic with Storage Tank TC Frame 1 and 2 Chillers ...

Страница 53: ...53 Fig 33 Typical Optional Pumpout System Piping Schematic With Storage Tank TD Frame 4 Chillers ...

Страница 54: ...54 Fig 34 Typical Optional Pumpout System Piping Schematic Without Storage Tank TC Frame 1 and 2 Chillers ...

Страница 55: ...55 Fig 35 Typical Optional Pumpout System Piping Schematic Without Storage Tank TD Frame 4 Chillers ...

Страница 56: ... PRESSURE psi Absolute Gage 110 241 04 226 35 112 247 50 232 80 114 254 08 239 38 116 260 79 246 10 118 267 63 252 94 120 274 60 259 91 122 281 71 267 01 124 288 95 274 25 126 296 33 281 63 128 303 84 289 14 130 311 50 296 80 132 319 29 304 60 134 327 23 312 54 136 335 32 320 63 138 343 56 328 86 140 351 94 337 25 142 360 48 345 79 144 369 17 354 48 146 378 02 363 32 148 387 03 372 33 150 396 19 3...

Страница 57: ...92 93 130 198 66 132 204 50 134 210 47 136 216 55 138 222 76 140 229 09 TEMPERATURE C PRESSURE kPa 18 0 44 8 16 7 51 9 15 6 59 3 14 4 66 6 13 3 74 4 12 2 82 5 11 1 90 8 10 0 99 4 8 9 108 0 7 8 118 0 6 7 127 0 5 6 137 0 4 4 147 0 3 3 158 0 2 2 169 0 1 1 180 0 0 0 192 0 1 1 204 0 2 2 216 0 3 3 229 0 4 4 242 0 5 0 248 0 5 6 255 0 6 1 261 0 6 7 269 0 7 2 276 0 7 8 284 0 8 3 290 0 8 9 298 0 9 4 305 0 1...

Страница 58: ...n the 23XL Installation Instructions manual Inspect the piping to the cooler and condenser Be sure that the flow directions are correct and that all piping specifications have been met Piping systems must be properly vented with no stress on waterbox nozzles and covers Water flows through the cooler and condenser must meet job requirements Measure the pres sure drop across the cooler and the conde...

Страница 59: ...cation bus wiring is supplied and installed by the electrical contractor It consists of shielded 3 conductor cable with drain wire The system elements are connected to the communication bus in a daisy chain arrangement The positive pin of each sys tem element communication connector must be wired to the positive pins of the system element on either side of it The negative pins must be wired to the...

Страница 60: ...art number is la beled on the backside of the CVC module The software ver sion also appears on the CVC configuration screen as the last two digits of the software part number Software Configuration As the 23XL unit is configured all configuration settings should be written down A log such as the one shown on pages CL 1 to CL 12 provides a convenient list for configuration values Input the Design S...

Страница 61: ...asing time or persistence increases sensitivity to the fault condition Be sure to remember the password Retain a copy for future reference Without the password access to the SERVICE menu will not be possible unless the CVC_PSWD menu on the STATUS screen is accessed by a Carrier representative MENU SERVICE SELECT ENTER INCREASE DECREASE ENTER EXIT MENU SERVICE SELECT ENTER PARAMETER TABLE Starter T...

Страница 62: ... 262 228 kPad Again to avoid unnecessary surge prevention add 20 psid 140 kPad at P1 from these conditions T1 2 F 1 1 C P1 53 psid 368 kPad If surge prevention occurs too soon or too late The differential pressure P and temperature T can be monitored during chiller operation by viewing ACTIVE DELTA P and ACTIVE DELTA T HEAT_EX screen Com paring STALL HGBP DELTA T to active DELTA T will deter mine ...

Страница 63: ...tage ratio of the transducer To obtain the voltage ratio divide the voltage dc input from the transducer by the supply voltage signal displayed in CONTROL TEST menu in the CCM PRESSURE TRANSDUCERS screen or measure across the posi tive red and negative black leads of the trans ducer For example the condenser transducer voltage input is measured at CCM terminals J2 4 and J2 5 The voltage ratio must...

Страница 64: ...Temp Spare Temperature 1 Space Temperature 2 2 CCM Pressure Transducers Evaporator Pressure Condenser Pressure Spare Pressure Delta P Condenser Water Delta P Transducer Voltage Ref 3 Pumps Chilled Water Confirm Delta P Condenser Water Confirm Delta P 4 Discrete Outputs Oil Heater Relay Hot Gas Bypass Relay Tower Fan Relay Low Tower Fan Relay High Alarm Relay Shunt Trip Relay 5 Slide Valve Load clo...

Страница 65: ...start unit to operating mode The chiller is locked out at the factory in order to prevent accidental start up Dry Run to Test Start Up Sequence 1 Disengage the main motor disconnect on the starter front panel This should only disconnect the motor power Power to the controls oil pump and starter control circuit should still be energized 2 Observe the default screen on the CVC the Status message in ...

Страница 66: ...spection and handling refrigerant CHECK OPERATOR KNOWLEDGE Start stop and shutdown procedures safety and operating controls refrigerant and oil charging and job safety REVIEW THE START UP OPERATION AND MAINTE NANCE MANUAL OPERATING INSTRUCTIONS Operator Duties 1 Become familiar with the chiller and related equip ment before operating the chiller 2 Prepare the system for start up start and stop the...

Страница 67: ...s any loss in pressure is indicated check for refrigerant leaks See Check Chiller Tightness section page 49 Recharge the chiller by transferring refrigerant from the pumpout storage tank if supplied Follow the Pumpout and Refrigerant Transfer Procedures section this page Observe freeze up precautions Carefully make all regular preliminary and running system checks Perform a Control Test before sta...

Страница 68: ... exhausted Include amounts Fig 37 Refrigeration Log Carrier 23XL Hermetic Screw Refrigeration DATE COOLER CONDENSER COMPRESSOR OPER ATOR INITIALS REMARKS TIME Refrigerant Water Refrigerant Water ROTOR INLET TEMP DISCHARGE TEMP Oil Motor Press Temp Pressure Temp Press Temp Pressure Temp Press Filter Diff Press Temp Level Voltage FLA In Out GPM In Out In Out GPM In Out Amperage ...

Страница 69: ...sure the desired range and accu racy when measuring evacuation and dehydration use a quality vacuum indicator or manometer This can be placed on the Schrader connections on each vessel Fig 11 and 12 by removing the pressure transducer 2 To determine pumpout storage tank pressure a 30 in 0 400 psi 101 0 2769 kPa gage is attached to the storage tank 3 Refer to Fig 32 35 and 39 for valve locations an...

Страница 70: ... chiller condenser vessel a Access the PUMPDOWN LOCKOUT function accessed from the CVC CONTROL TEST table to turn on the chiller water pumps Turn the chiller water pumps on manually if they are not con trolled by the PIC II b Close pumpout unit valves 3 and 4 open valves 2 and 5 c Turn on the pumpout condenser water d Run the pumpout compressor until the chiller con denser pressure reaches 18 in H...

Страница 71: ...n close valve 10 c Turn off the pumpout compressor 3 Remove any remaining refrigerant a Turn on the chiller water pumps using the PUMP DOWN LOCKOUT screen accessed from the CONTROL TEST table Turn on the pumps man ually if they are not controlled by the PIC II b Turn on the pumpout condenser water c Place valves in the following positions d Run the pumpout compressor until the chiller pressure rea...

Страница 72: ...WITH DRY NITROGEN Anoth er method of leak testing is to pressure with nitrogen only and use soap bubble solution or an ultrasonic leak detector to deter mine if leaks are present This should only be done if all refrig erant has been evacuated from the vessel 1 Connect a copper tube from the pressure regulator on the cylinder to the refrigerant charging valve Never apply full cylinder pressure to t...

Страница 73: ...ange oil filter as needed Otherwise change the oil filter on a yearly basis Change the oil after the first year of operation Then change the oil at least every three years or as needed Howev er if a continuous oil monitoring system is present and or a yearly oil analysis is performed the time between oil changes may be extended The 23XL TC frame 1 and 2 chillers use approximately 4 2 gal 15 9 L of...

Страница 74: ...7 Floc Point maximum 90 F 68 C Pour Point maximum 6 F 21 C Flash Point minimum 428 F 220 C Moisture Content maximum 100 ppm Acid Number maximum 0 5 mg KOH gram Miscibility Range with HCFC 22 90 to 200 F 68 to 93 C with HFC 134a 4 to 180 F 2 to 82 C This oil part number PP 23 BZ 104 may be ordered from your local Carrier representative Oil Separator Coalescer TC FRAME 1 AND 2 CHILLERS The oil separ...

Страница 75: ...e sensor if corroded or remove any scale if found Higher than normal condenser pressures together with the inability to reach full refrigeration load usually indicate dirty tubes or air in the chiller If the refrigeration log indicates a rise above normal condenser pressures check the condenser refrig erant temperature against the leaving condenser water tempera ture If this reading is more than w...

Страница 76: ...se pressure drops to 2 psig 13 kPa 4 Stop the compressor and isolate the system by closing the discharge service valve 5 Slowly remove the oil return line connection Fig 39 Add oil as required 6 Replace the connection and reopen the compressor service valves OPTIONAL PUMPOUT SAFETY CONTROL SETTINGS Fig 41 The optional pumpout system high pressure switch should open at 220 5 psig 1517 34 kPa and sh...

Страница 77: ...ber 1 position to the number 3 position Checking Pressure Transducers There are 8 pressure transducers on 23XL chillers They determine cooler condenser oil pressure and cooler and condenser flow The cooler and condenser transducers are also used by the PIC II to determine the refrigerant temperatures The oil pressure valve oil pressure transducer evap pressure transducer is calcu lated by the CCM ...

Страница 78: ... preven tion etc The tables are Control Test The Control Test feature can check all the thermistor temperature sensors pressure transducers pumps and their associated flow devices the slide valve and other control outputs such as hot gas bypass The tests can help to de termine whether a switch is defective or a pump relay is not op erating as well as other useful troubleshooting issues During pump...

Страница 79: ...ler START STOP on MAINSTAT manually forced to start Release value to start under normal control READY TO START IN XX MIN RECYCLE RESTART PENDING Chiller in recycle mode READY TO START UNOCCUPIED MODE Time schedule for PIC II is unoccupied Chiller will start when occu pied Make sure the time and date are correct Change values in TIME AND DATE screen READY TO START REMOTE CONTACTS OPEN Remote contac...

Страница 80: ... limit of LIMIT Check transducer wiring and accuracy Check for low chilled fluid supply temperatures Check refrigerant charge 105 PRESTAR ALERT LOW OIL TEMPERATURE 105 Oil Sump Temp VALUE exceeded limit of LIMIT Check oil heater contactor relay and power Check oil level and oil pump operation 106 PRESTART ALERT HIGH CONDENSER PRESSURE 106 Condenser Pressure VALUE exceeded limit of LIMIT Check tran...

Страница 81: ...high condenser water temperatures Check setting in SETUP1 121 RUN CAPACITY LIMITED HIGH MOTOR TEMPERATURE 121 Comp Motor Winding Temp VALUE exceeded limit of LIMIT Check motor cooling lines Check for closed valves Check setting in SETUP1 122 RUN CAPACITY LIMITED LOW EVAP REFRIG TEMP 122 Evaporator Refrig Temp VALUE exceeded limit of LIMIT Check refrigerant charge Check for low entering cooler temp...

Страница 82: ...XCESSIVE MOTOR AMPS 208 Compressor Motor Amps VALUE exceeded limit of LIMIT Check motor current for proper calibration Check inlet guide vane actuator 209 PROTECTIVE LIMIT LINE PHASE LOSS 209 Line Phase Loss Check ISM Fault History to Identify Phase Check transformers to ISM Check power distribution bus Consult power company 210 PROTECTIVE LIMIT LINE VOLTAGE DROPOUT 210 Single Cycle Line Voltage D...

Страница 83: ...ing Temp VALUE exceeded limit of LIMIT Check motor sensors wiring and accuracy Check motor cooling line for proper operation or restrictions Check for excessive starts within a short time span 234 PROTECTIVE LIMIT OIL LEVEL SENSOR 234 Check oil level in separator Check for low oil level Check the oil level switch wiring and accuracy 235 PROTECTIVE LIMIT HIGH CONDENSER PRESSURE 235 Condenser Pres s...

Страница 84: ...or Fault Check Leaving Cond Water Sensor Check sensor resistance or voltage drop Check for proper wiring 141 SENSOR ALERT ENTERING COND WATER TEMP 141 Sensor Fault Check Entering Cond Water Sensor Check sensor resistance or voltage drop Check for proper wiring 142 LOW OIL PRESSURE ALERT CHECK OIL FILTER 142 Low Oil Pressure Alert Check Oil Filter Check for partially or closed shut off valves Check...

Страница 85: ...n in Lead Lag screen Both chillers require a different address 154 POTENTIAL FREEZE UP COND PRESS TEMP TOO LOW 154 Condenser freeze up prevention The condenser pressure transducer is reading a pressure that could freeze the condenser tubes Check for condenser refrigerant leaks Check fluid temperature Check sensor wiring and accuracy Place the chiller in PUMPDOWN mode if the vessel is evacuated 155...

Страница 86: ... 3 906 88 2 593 3 814 89 2 563 3 726 90 2 533 3 640 91 2 505 3 556 92 2 476 3 474 93 2 447 3 395 94 2 417 3 318 95 2 388 3 243 96 2 360 3 170 97 2 332 3 099 98 2 305 3 031 99 2 277 2 964 100 2 251 2 898 101 2 217 2 835 102 2 189 2 773 103 2 162 2 713 104 2 136 2 655 105 2 107 2 597 106 2 080 2 542 107 2 053 2 488 108 2 028 2 436 109 2 001 2 385 110 1 973 2 335 111 1 946 2 286 112 1 919 2 239 113 1...

Страница 87: ... 129 5 971 22 3 076 5 710 23 3 023 5 461 24 2 970 5 225 25 2 917 5 000 26 2 864 4 786 27 2 810 4 583 28 2 757 4 389 29 2 704 4 204 30 2 651 4 028 31 2 598 3 861 32 2 545 3 701 33 2 493 3 549 34 2 441 3 404 35 2 389 3 266 36 2 337 3 134 37 2 286 3 008 38 2 236 2 888 39 2 186 2 773 40 2 137 2 663 41 2 087 2 559 42 2 039 2 459 43 1 991 2 363 44 1 944 2 272 TEMPERATURE C VOLTAGE DROP V RESISTANCE Ohms...

Страница 88: ...ly Notes on Module Operation 1 The chiller operator monitors and modifies configura tions in the microprocessor by using the 4 softkeys and the CVC Communications between the CVC and the CCM is accomplished through the SIO Sensor Input Output bus which is a phone cable The communica tion between the CCM and ISM is accomplished through the sensor bus which is a 3 wire cable 2 If a green LED is on c...

Страница 89: ...the MAINSTAT table and highlight the TOTAL COMPRESSOR STARTS parameter Press the softkey Increase or decrease the value to match the starts value recorded in Step 3 Press the softkey when you reach the correct value Now move the highlight bar to the COMPRESSOR ONTIME parameter Press the softkey Increase or decrease the run hours value to match the value recorded in Step 2 Press the softkey when th...

Страница 90: ... V I INPUTS J5 SIO J7 ANALOG OUT J8 J11 DISCRETE OUTPUTS J12 DISCRETE OUTPUTS J1 24 VAC SIO J6 I N T E G R A T E DS T A R T E RM O D U L E J9 J8 J7 COM STAT J1 FUSE J2 J3 1 J3 2 J3 3 J4 J5 J6 Fig 43 Chiller Control Module CCM Fig 44 Integrated Starter Module ISM ...

Страница 91: ...Ensure the SCR is installed so the cathode side is the side from which the red wire extends The heat sink is labeled to show the correct orientation 4 Hand tighten the bolts until the SCR contacts the heat sink 5 Using quarter turn increments alternating between clamping bolts apply the appropriate number of whole turns referencing the table in Fig 45 6 Reconnect the red cathode wire from the SCR ...

Страница 92: ... lb Water gal Cooler Only Cond Only Refrigerant kg Water L Economizer No Economizer Cooler Cond Economizer No Economizer Cooler Cond HCFC 22 HFC 134a HCFC 22 HFC 134a HCFC 22 HFC 134a HCFC 22 HFC 134 10 2480 2890 650 600 34 39 2 1125 1310 295 272 130 105 11 2650 3020 650 600 4 44 4 1202 1370 295 272 152 168 20 2845 3250 750 700 45 49 2 1291 1474 340 318 170 186 21 3000 3445 750 700 49 56 4 1361 11...

Страница 93: ...3 Pass 150 1034 166 76 180 82 HEAT EXCHANGER WATERBOX DESCRIPTION ENGLISH lb SI kg Frame 4 Std Nozzles Frame 4 Flanged Frame 4 Std Nozzles Frame 4 Flanged 150 psig 300 psig 150 psig 300 psig 1034 kPa 2068 kPa 1034 kPa 2068 kPa COOLER NIH 1 Pass Cover 284 414 324 491 129 188 147 223 NIH 2 Pass Cover 285 411 341 523 129 187 155 237 NIH 3 Pass Cover 292 433 309 469 133 197 140 213 NIH Plain End Cover...

Страница 94: ...of Heating Refrigeration and Air Conditioning Engineers MOTOR CODE CONDENSER UNIT VOLTS PH HZ MAX RLA LRA 1 19EA47 748 575 3 60 3 8 23 0 4 19EA42 748 200 208 3 60 10 9 63 5 5 19EA44 748 230 3 60 9 5 57 5 6 19EA46 748 400 460 3 50 60 4 7 28 8 LRA Locked Rotor Amps RLA Rated Load Amps HEAT EXCHANGER WATERBOX DESCRIPTION PSI kPa FRAME 1 FRAME 2 lbs kg lbs kg Cooler or Condenser NIH 1 Pass 150 1034 11...

Страница 95: ...NG FRAME 1 AND 2 M16 X 2 X 55 S H FRAME 4 M16 X 2 X 70 S H 1 ROTOR CASING INLET CASING AND OUTLET CASING 2 MOTOR CASING INLET CASING 3 OPEN DRIVE END COVER INLET CASING 4 DISCHARGE COVER OUTLET CASING TD FRAME 4 ONLY 252 280 185 205 N A M20 X 2 5 X 70 S H INLET FLANGES INLET CASING TC FRAME 1 AND 2 ONLY 485 513 355 375 N A M22 X 2 5 X 80 S H TD FRAME 4 ONLY INLET FLANGES INLET CASING 697 724 510 5...

Страница 96: ...ule CVC Chiller Visual Controller COMPR Compressor COND Cond DL DP Datalink or Dataport DISCH Discharge ENT Entering EVAP Evaporator EXT External GND Ground HGBP Hot Gas Bypass ISM Integrated Starter Module LVG Leaving PRESS Pressure REQMT Requirement SW Switch TEMP Temperature TB Terminal Board VVI Variable Volume Index Denotes Power Panel Terminal Denotes Motor Starter Panel Conn ...

Страница 97: ...dule HGBP Hot Gas Bypass ISM Integrated Starter Module TB Terminal Board VVI Variable Volume Index Denotes Power Panel Terminal LEGEND Denotes Component Terminal Wire Splice Option Wiring Denotes Conductor Male Female Conn Denotes Control Panel Conn Denotes Motor Starter Panel Conn ...

Страница 98: ...ntact Field Connection LEGEND AUX Auxiliary C Contactor CB Circuit Breaker CT Current Transformer DS Disconnect Switch FU Fuse G Ground HPR High Pressure Relay ISM Integrated Starter Module L Main Supply Power LL Control Power Supply M Contactor RES Resistor S Contactor TB Terminal Block NOTE Power factor correction capacitors when required are connected ahead of all current transformers for prope...

Страница 99: ...99 Fig 49 Benshaw Inc Solid State Unit Mounted Starter Wiring Schematic Low Voltage ...

Страница 100: ...Pair Shield Wire Field Wiring NOTES LED status with power applied and prior to run command ON OFF Transformer T1 primary fuses FU1 FU2 value dependent on system voltage and model per Chart 1 Transformer connections per transformer nameplate connec tion diagram MOVs are used on power stack assemblies for system voltages of 200 through 460 vac as shown Resistor capacitor networks DVDTs are used on p...

Страница 101: ...wer ISM Integrated Starter Module MTR Motor PFC Power Factor Contactor PRESS Pressure SCR Silicone Control Rectifier ST Shunt Trip STAT Status TB Terminal Block TC Thermostat Cooling TRAN Transformer VFD Variable Frequency Drive Starter Vendor Power Wiring Starter Vendor Control Wiring Field Installed Power Wiring Supplied by Others Field Installed Control Wiring Supplied by Others Option Starter ...

Страница 102: ...rrent Transformer DISCH Discharge DS Disconnect Switch EVAP Evaporator FU Fuse HPR Horsepower ISM Integrated Starter Module MTR Motor PFC Power Factor Contactor PRESS Pressure SCR Silicone Control Rectifier ST Shunt Trip STAT Status TB Terminal Block TC Thermostat Cooling TRAN Transformer VFD Variable Frequency Drive Starter Vendor Power Wiring Starter Vendor Control Wiring Field Installed Power W...

Страница 103: ...END Field supplied terminal strip must be located in the control center Fig 52 Typical COMM1 CCN Communication Wiring for Multiple Chillers Factory Wiring Field Wiring Component Terminal Control Panel Terminal ...

Страница 104: ...harge 60 Oil Circuit Valves Open 49 Oil Loss Prevention 9 Oil Pressure and Compressor Stop Check 65 Oil Reclaim System 9 Oil Separator Coalescer 74 Oil Specification 74 Oil Sump Temperature Control 39 Operating Instructions 66 Operating the Optional Pumpout Unit 69 Operator Duties 66 Optional Pumpout Compressor Water Piping Check 58 Optional Storage Tank and Pumpout System Using 49 Optional Pumpou...

Страница 105: ...Wiring and Piping Diagrams Yes No 3 Starting Equipment Details and Wiring Diagrams Yes No 4 Applicable Design Data see above Yes No 5 Diagrams and Instructions for Special Controls Yes No INITIAL MACHINE PRESSURE RECORD PRESSURE DROPS Cooler Condenser CHARGE REFRIGERANT Initial Charge Final Charge After Trim NAME JOB NO ADDRESS MODEL CITY STATE ZIP S N TONS BRINE FLOW RATE TEMPERATURE IN TEMPERATU...

Страница 106: ...E COMPLETE THE FOLLOWING A Trim charge and record under Charge Refrigerant Into Chiller section on page 64 B Complete any remaining control calibration and record under Controls section pages 14 47 C Take at least two sets of operational log readings and record E After machine has been successfully run and set up shut down and mark shutdown oil and refrigerant levels F Give operating instructions ...

Страница 107: ...EET CVC Software Version Number CVC Controller Identification BUS ADDRESS DESCRIPTION RANGE UNITS DEFAULT VALUE Base Demand Limit 40 to 100 100 LCW Setpoint 10 to 120 DEG F 50 0 ECW Setpoint 15 to 120 DEG F 60 0 Ice Build Setpoint 15 to 60 DEG F 40 0 Tower Fan High Setpoint 55 to 105 DEG F 75 ...

Страница 108: ...S S H Period 1 Period 2 Period 3 Period 4 Period 5 Period 6 Period 7 Period 8 ICE BUILD 23XL PIC II TIME SCHEDULE CONFIGURATION SHEET OCCPC02S Day Flag Occupied Time Unoccupied Time M T W T F S S H Period 1 Period 2 Period 3 Period 4 Period 5 Period 6 Period 7 Period 8 23XL PIC II TIME SCHEDULE CONFIGURATION SHEET OCCPC03S Day Flag Occupied Time Unoccupied Time M T W T F S S H Period 1 Period 2 Pe...

Страница 109: ...me 1 to 10 SEC 5 Motor Rated Load Amps 10 to 5000 AMPS 200 Motor Locked Rotor Trip 100 to 60000 AMPS 1000 Locked Rotor Start Delay 1 to 10 cycles 5 Starter LRA Rating 100 to 60000 AMPS 2000 Motor Current CT Ratio 1 3 to 1000 100 Current Imbalance 5 to 40 15 Current Imbalance Time 1 to 10 SEC 5 3 Grnd Fault CT s 1 No 0 1 NO YES YES Ground Fault CT Ratio 1 150 150 Ground Fault Current 1 to 25 AMPS 1...

Страница 110: ... to 170 PSI 150 Full Load Point T2 P2 Stall HGBP Delta T2 0 5 to 20 ˆF 4 Stall HGBP Delta P2 30 to 250 PSI 200 Stall HGBP Deadband 0 5 to 3 ˆF 1 Stall Protection Stall Delta Amps 5 to 20 10 Stall Time Period 7 to 10 MIN 8 Ice Build Control Ice Build Option 0 1 DSABLE ENABLE DSABLE Ice Build Termination 0 Temp 1 Contacts 2 Both 0 to 2 0 Ice Build Recycle 0 1 DSABLE ENABLE DSABLE Refrigerant Leak Op...

Страница 111: ...EG F 33 Refrig Override Delta T 2 0 to 5 0 ˆF 3 Condenser Freeze Point 20 to 35 DEG F 34 Evap Flow Delta P Cutout 0 5 to 50 0 PSI 5 0 Cond Flow Delta P Cutout 0 5 to 50 0 PSI 5 0 Water Flow Verify Time 0 5 to 5 MIN 5 Oil Filter Pressure Alert 1 15 PSI 3 Recycle Control Recycle Restart Delta T 2 0 to 10 0 DEG F 5 Recycle Shutdown Delta 0 5 to 4 0 DEG F 1 SPARE ALERT ALARM ENABLE Disable 0 Lo 1 3 Hi...

Страница 112: ...ional Inc Band 2 to 10 6 5 Proportional Dec Band 2 to 10 6 0 Proportional ECW Gain 1 to 3 2 0 VFD Slide Valve Control VFD Option 0 1 DSABLE ENABLE DSABLE VFD Gain 0 1 to 1 5 0 75 VFD Increase Step 1 to 5 2 VFD Minimum Speed 20 to 100 0 VFD Maximum Speed 50 to 100 100 Manual SV Temp Option 0 1 DSABLE ENABLE DSABLE ...

Страница 113: ...AD 1 LAG 2 STANDBY 3 0 to 3 0 Load Balance Option 0 1 DSABLE ENABLE DSABLE Common Sensor Option 0 1 DSABLE ENABLE DSABLE LAG Percent Capacity 25 to 75 50 LAG Address 1 to 236 92 LAG START Timer 2 to 60 MIN 10 LAG STOP Timer 2 to 60 MIN 10 PRESTART FAULT Timer 2 to 30 MIN 5 STANDBY Chiller Option 0 1 DSABLE ENABLE DSABLE STANDBY Percent Capacity 25 to 75 50 STANDBY Address 1 to 236 93 ...

Страница 114: ...t 0 1 DSABLE ENABLE DSABLE Motor Rated Kilowatts 50 to 9999 kW 145 Demand Watts Interval 5 to 60 MIN 15 DESCRIPTION RANGE UNITS DEFAULT VALUE Control Point ECW Control Option 0 1 DSABLE ENABLE DSABLE Temp Pulldown Deg Min 2 to 10 ˆF 3 Temperature Reset RESET TYPE 1 Degrees Reset At 20 mA 30 to 30 ˆF 10 RESET TYPE 2 Remote Temp No Reset 40 to 245 DEG F 85 Remote Temp Full Reset 40 to 245 DEG F 65 D...

Страница 115: ...LUE Time Broadcast Enable 0 1 DSABLE ENABLE DSABLE Daylight Savings Start Month 1 to 12 4 Start Day of Week 1 to 7 7 Start Week 1 to 5 3 Start Time 00 00 to 24 00 HH MM 02 00 Start Advance 0 to 360 MIN 60 Stop Month 1 to 12 10 Stop Day of Week 1 to 7 7 Stop Week 1 to 5 3 Stop Time 00 00 to 24 00 02 00 Stop Back 0 to 360 MIN 60 ...

Страница 116: ... any time specifications or designs without notice and without incurring obligations PC 211 Catalog No 532 306 Printed in U S A Form 23XL 3SS Pg CL 12 7 99 Replaces New Book 2 Tab 5e Copyright 1999 Carrier Corporation CUT ALONG DOTTED LINE CUT ALONG DOTTED LINE ...

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