Daikin Clima-Flex CLIC Series Installation, Operation And Maintenance Manual Download Page 99

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Compressor Control:

The compressor control section has different Boxes that manages the operation of the compressor. The Boxes

are:

•

EnableRegulationControl:

This box validates if all conditions are correct, to enable the regulation.

Figure 63. Box for Enable Regulation

•

CompressorControl:

This section manages the star/stop the compressor and the liquid valve.

Figure 64. Logic of compressor control

Mother /Son Logic

Summary of Contents for Clima-Flex CLIC Series

Page 1: ...ation and Maintenance Manual CLIC Series Air Cooled Scroll Compressor Chiller Water Generator Unit Model 25 to 250 RT Refrigerant HFC 410A or 454B 50 60 Hz IOM Group Chiller Part Number IOM CLIC Date...

Page 2: ...Features Benefits 6 Installation and Application Information 8 Refrigeration Schematics 18 Dimensions and Weights Single Unit 21 Vacuum Refrigerant Charge 32 Drop Data 35 Electrical Data 36 R454B Elec...

Page 3: ...ed at least 12 hours before startup Chiller components EXV Sensors Transducers installed and wired properly Wiring complies with National Electrical Code and local codes See Notes Miscellaneous Yes No...

Page 4: ...e breaker may result in electric shock or fire WARNING If refrigerant leaks from the unit there is a potential choking danger as the refrigerant will displace air in the immediate area Be sure to foll...

Page 5: ...ump UNITS 1 Stand alone 2 2 units 3 3 units 4 4 units 5 5 units 6 6 units 7 7 units 8 8 units 9 units 10 10 units CONDENSER FAN A Axial Fixed ANTICORROSION C Coat in Condenser I Coat in Components M T...

Page 6: ...nt comes with a 1 year major warranty after start up Our units use R410A or R45B refrigerant which is harmless to the ozone layer and is non toxic and non flammable even in case of leakage Finally the...

Page 7: ...water based synthetic coating with ES2 pigment applied to all areas of the coating surface with no bridging of material between fins Therefore ES2 pigments are suitable for even the most corrosive env...

Page 8: ...he unit nameplates the serial number is unique to the unit These numbers should be used to identify the unit in case of service parts or warranty questions This nameplate also contains the unit s refr...

Page 9: ...it on a solid base that will not settle Use a one piece concrete slab with a foundation extended below the frost line Ensure that the foundation is level to within 13 mm over its entire length and wid...

Page 10: ...m to be installed Nipples for interconnection between mother and child equipment A pair of nipples with thermowell for placement of general temperature sensors Couplings for connection of vitaulic 2 p...

Page 11: ...t within the space outside air temperature and many other factors may require more clearance than shown Additional clearances may be required under certain circumstances The graphs on the following pa...

Page 12: ...ation to ensure that it has sufficient airflow characteristics and is approved by the facility s design engineer to avoid the risk of an accident Figure 5 Three or more units side by side Figure 4 Two...

Page 13: ...ons adhering to AWWA C606 optionally with flanges PVC piping should not be used Installation and Application Information Figure 7 Typical piping of a welded plate evaporator series CLIC Tandem It is r...

Page 14: ...er considerations All chilled water systems need adequate time to recognize a load change respond to the change and stabilize to avoid undesirable compressor short cycling or loss of temperature contr...

Page 15: ...must not be drained in freezing tem peratures or contain glycol the chiller may be subject to cata strophic evaporator failure due to freezing Installation and Application Information FLOW SWITCH All...

Page 16: ...water piping and drain connections on the inlet water piping Immersion heater for each auxiliary heat exchanger for freeze protection Partial heat recovery connections are listed below 1 An external...

Page 17: ...resistance of more than 10 000 hours applied to both the coil and the coil heads Epoxy coated coils also receive a UV resistant urethane topcoat to provide superior resistance to degradation from dir...

Page 18: ...iom clic cf eng www clima flex com 18 Refrigeration Schematics Figure 9 CLIC 25 RT heat pump refrigeration schematics...

Page 19: ...iom clic cf eng www clima flex com 19 Refrigeration Schematics Figure 10 CLIC 25 RT heat recovery refrigeration schematics...

Page 20: ...iom clic cf eng www clima flex com 20 Refrigeration Schematics Figure 11 CLIC 25 RT cooling only refrigeration schematics...

Page 21: ...Unit Figure 12 Dimensional configuration 25 RT Table 4 Dimensions and weights UNIT High Length Width Weight in mm in mm in mm kg lb CLIC 25 TR R410 81 3 4 2076 43 87 1 8 2214 32 1 2 825 700 750 154 1...

Page 22: ...iom clic cf eng www clima flex com 22 Dimensions and Weights Single Unit Figure 13 Dimensional configuration 25 RT R454B...

Page 23: ...iom clic cf eng www clima flex com 23 Dimensions Packaged Units Figure 14 Dimensional configuration 50 RT...

Page 24: ...iom clic cf eng www clima flex com 24 Dimensions Packaged Units Figure 15 Dimensional configuration 75 RT...

Page 25: ...iom clic cf eng www clima flex com 25 Dimensions Packaged Units Figure 16 Dimensional configuration 100 RT...

Page 26: ...iom clic cf eng www clima flex com 26 Dimensions Packaged Units Figure 17 Dimensional configuration 125 RT...

Page 27: ...iom clic cf eng www clima flex com 27 Dimensions Packaged Units Figure 18 Dimensional configuration 150 RT...

Page 28: ...iom clic cf eng www clima flex com 28 Dimensions Packaged Units Figure 19 Dimensional configuration 175 RT...

Page 29: ...iom clic cf eng www clima flex com 29 Dimensions Packaged Units Figure 20 Dimensional configuration 200 RT...

Page 30: ...iom clic cf eng www clima flex com 30 Dimensions Packaged Units Figure 21 Dimensional configuration 250 RT...

Page 31: ...iom clic cf eng www clima flex com 31 Dimensions Packaged Units Figure 22 Dimensional configuration 250 RT...

Page 32: ...om register 3 simply loosen the connection to purge the nitrogen To obtain an accurate vacuum value isolate the vacuum pump from the system by closing register 1 and waiting about 5 minutes for an acc...

Page 33: ...frigerant Charge Figure 23 Diagram for obtaining vacuum and for refrigerant charge COMPRESSOR MODEL R410A LBS R410A GR VZH117 Microchanel 19 07 8650 0 SH295 Microchanel 19 07 8650 0 DSH295 Microchanel...

Page 34: ...as well as high temperatures inside the area where the R 454B refrigerant charge will be carried out Figure 24 Diagram to obtain vacuum and for R454B refrigerant charge COMPRESSOR MODEL R454B LBS R45...

Page 35: ...6 94 M E 2 75 3 180 4 47 78 M E 3 100 4 240 4 49 34 M E 4 125 5 300 4 51 86 M E 5 150 6 360 4 55 55 M E 6 175 7 420 6 49 07 M E 7 200 8 480 6 50 23 M E 8 225 9 540 6 51 73 M E 9 250 10 600 6 53 58 30...

Page 36: ...n accordance with the NEC Refer to the unit nameplate and unit selection report for correct electrical ratings 1 The control transformer is supplied and no separate 115V power is required For single a...

Page 37: ...r while the chiller is running can cause serious damage to the chiller The procedure required to reconnect generator power to the mains is as follows 1 Set the generator to always run five minutes lon...

Page 38: ...iom clic cf eng www clima flex com 38 Electrical Data Figure 26 Typical field wiring diagram of the 220V fixed master single chiller unit single point connection with all options shown...

Page 39: ...iom clic cf eng www clima flex com 39 Electrical Data...

Page 40: ...iom clic cf eng www clima flex com 40 Electrical Data Figure 27 Typical field wiring diagram of the 220V slave single cold unit single point connection with all options shown...

Page 41: ...iom clic cf eng www clima flex com 41 Electrical Data...

Page 42: ...iom clic cf eng www clima flex com 42 Electrical Data Figure 28 Typical field wiring diagram of 440V slave single cold unit single point connection with all options shown...

Page 43: ...iom clic cf eng www clima flex com 43 Electrical Data...

Page 44: ...iom clic cf eng www clima flex com 44 Electrical Data Figure 29 Typical field wiring diagram of 440V master cool only unit single point connection with all options shown...

Page 45: ...iom clic cf eng www clima flex com 45 Electrical Data...

Page 46: ...iom clic cf eng www clima flex com 46 Electrical Data...

Page 47: ...iom clic cf eng www clima flex com 47 Electrical Data Figure 30 Typical 440V slave heat pump unit field wiring diagram single point connection with all options shown...

Page 48: ...iom clic cf eng www clima flex com 48 Electrical Data...

Page 49: ...iom clic cf eng www clima flex com 49 R454B Electrical Data Figure 31 Power wiring diagram for R454B master unit 230 3 60...

Page 50: ...iom clic cf eng www clima flex com 50 R454B Electrical Data Figure 32 Analog inputs AI1 AI14 Figure 33 Analog outputs A01 A06 Electronic expansion valve...

Page 51: ...iom clic cf eng www clima flex com 51 R454B Electrical Data Figure 34 Digital inputs DI1 DI16 Figure 35 Digital output DO1 DO15 Power supply MCX...

Page 52: ...iom clic cf eng www clima flex com 52 R454B Electrical Data Figure 36 Fan controller gas leakage sensor Figure 37 Compressor controller circuit...

Page 53: ...iom clic cf eng www clima flex com 53 R454B Electrical Data Figure 38 RS485 communication...

Page 54: ...iom clic cf eng www clima flex com 54 R454B Electrical Data Figure 39 Power wiring diagram for R454B son 230 3 60 unit...

Page 55: ...iom clic cf eng www clima flex com 55 R454B Electrical Data Figure 40 Analog inputs AI1 AI14 Figure 41 Digital inputs DI1 DI16...

Page 56: ...iom clic cf eng www clima flex com 56 R454B Electrical Data Figure 42 Analog outputs A01 A06 Electronic expansion valve Figure 43 Digital output DO1 DO15 Power supply MCX...

Page 57: ...iom clic cf eng www clima flex com 57 R454B Electrical Data Figure 44 Fan controller gas leakage sensor...

Page 58: ...s if a fault occurs The controller menu contains different screens and submenus that provide the operator or service technician with a complete overview of 1 User 2 Maintenance 3 Service Manufacturing...

Page 59: ...TC Thermistor R25 10K 1 25 85 3435K 1 discrete type No SMD U5 GENERAL INJECTION GENERAL INJECTION NTC NTC Thermistor R25 10K 1 25 85 3435K 1 discrete type No SMD U6 CONDENSER TEMPERATURE CONDENSER TEM...

Page 60: ...ECTOR PHASE MOTOR PROTECTOR DRY CONTACT N A Table 14 Digital outputs of SLAVE unit DESCRIPTION COLD AIR TYPE DESCRIPTION HOT AIR TYPE SIGNAL TYPE EXPECTED RANGE NO1 COMPRESSOR stage 1 VENTILATOR COMPR...

Page 61: ...RRENT YEAR 9999 YEARS WORKING HOURS DISPLAY 1 TOTAL STARTS COMP M 0 0 a 999 COMP E1 0 0 a 999 COMP E2 0 0 a 999 COMP E3 0 0 a 999 COMP E4 0 0 a 999 COMP E5 0 0 a 999 COMP E6 0 0 a 999 COMP E7 0 0 a 99...

Page 62: ...E1 0 0 to 999 COMP E2 0 0 to 999 COMP E3 0 0 to 999 COMP E4 0 0 to 999 COMP E5 0 0 to 999 COMP E6 0 0 to 999 COMP E7 0 0 to 999 LOW PRESSURE BP METER COMP M 0 0 to 999 COMP E1 0 0 to 999 COMP E2 0 0 t...

Page 63: ...tton on No Evaporator pump output on Is flow present No Wait the time for the start up compressor The contactor auxiliar remains on while chiller is enabled Is the protection module or frecuency varia...

Page 64: ...ation run need more capacity Increase unit capacity Unit turn up full capacity Operation of circuit in stabilization Unit turn down full capacity Decrease unit capacity Is unit running at minimun capa...

Page 65: ...LWT Evaporator saturated temperature Capacitor approach The capacitor approximation will be calculated for each circuit The equation is as follows Capacitor approximation Capacitor saturated temperat...

Page 66: ...own A compressor must be shut down if any of the following situations occur The unit s capacity control logic commands it to shut down A discharge alarm occurs and sequencing requires this compressor...

Page 67: ...he bulb to make sure it is properly connected to the suction line If you can move the bulb manually it is not properly secured The bulb must be perfectly insulated to protect it against the effects of...

Page 68: ...LLED WATER CONDENSER E1 EVAPORATOR FLOW ALARM E1 E1 CONDENSER FLOW ALARM E1 E1 REFRIGERANT ALARM E1 E1 INJECTION SENSOR PROBE FAILURE E1 RETURN SENSOR PROBE FAILURE E1 SLAVE ALARMS E2 ENGINE SAVER ALA...

Page 69: ...E E5 E6 SLAVE ALARMS E6 ENGINE SAVER ALARM LOW PRESSURE ALARM E6 HIGH PRESSURE ALARM E6 EVAPORATOR FREEZE ALARM E6 E6 CONDENSER FREEZE ALARM CONDENSER HIGH CHILLED WATER CONDENSER E6 E6 EVAPORATOR FLO...

Page 70: ...at the moment of switching on the equipment Incorrect Form When connected in this way the equipment cannot be manipulated and the display will show EQUIPMENT NOT CONFIGURED To reset it is necessary to...

Page 71: ...eturn readings of the main unit will be displayed In the unit section the injection and return sensor readings of all units will be displayed The trend properties that can be edited are the duration h...

Page 72: ...r In this screen you can set the time and date of the log alarms or the information about the diagnostics This screen can check the counter of each high pressure failure low pressure failure and the w...

Page 73: ...an extract Alarm log Injection and return temperatures of the master unit Injection and return temperatures of the slaves User log If the user presses the reset button it will be possible to reconfigu...

Page 74: ...troller Use IP DISPLAY AND CONFIGURATION To view the IP of the unit click on the indicated point to open the menu Click About What s my IP The configured IP will then be displayed To configure IP clic...

Page 75: ...ic cf eng www clima flex com 75 Controller Use Option 1 Option 2 For IP configuration press edit to assign the desired IP Option 1 Option 2 Presionar Show system settings el men puede variar en su int...

Page 76: ...the equipment PGDX TOUCH 7 CAREL CONNECTION Once the connection has been made correctly the temperatures and other data of the equipment will appear on the screen as shown in the following image Corre...

Page 77: ...iom clic cf eng www clima flex com 77 Clic R454b Unit This unit use the R454B Refrigerant...

Page 78: ...iom clic cf eng www clima flex com 78 Control User Interface MXC controller has a LCD display where the chiller can be configured and operated Main Screen Keyboard Refrigeration Circuit Status Screen...

Page 79: ...nds for LCD display only Note You can also access alarm visualization by pressing the ESC key from the main screen The alarm is only reset if the alarm has ended and it will return you to the main scr...

Page 80: ...d CAN 1 100 1 RW 3009 bAU Serial baudrate Modbus 0 8 8 384 Enum 4 RW 3010 COM Serial settings Modbus 0 2 1 8E1 Enum 5 RW 3011 CFG Parameters Unit config H11 Fans in common to all condensers 0 1 0 NO E...

Page 81: ...I01 Minimum Speed 0 0 100 0 30 0 RW 3041 I02 Maximum Speed 0 0 100 0 100 0 RW 3042 EVA Parameters Evaporator P01 Number of Evaporator Pumps 1 2 1 RW 3043 AFr Flow Switch Alarm Reset Type 1 5 3 RW 3044...

Page 82: ...e 1 240 15 s RW 3067 N17 Startup OD 0 100 50 RW 3068 N21 SH reference mode 0 3 0 Fixed Enum 15 RW 3069 N07 SH fixed setpoint 2 0 40 0 7 0 K RW 3070 N09 SH maximum 2 0 40 0 12 0 K RW 3071 N10 SH minimu...

Page 83: ...0 Oil Boost Type 0 2 1 OLEV Enum 17 RW 3099 O01 Min Speed Limit Percent 0 0 O04 50 0 RW 3100 O02 Low Speed Running Time 1 O03 3 min RW 3101 O03 Fixed Oil Boost Interval O02 600 20 min RW 3102 O04 Oil...

Page 84: ...rse Enum 21 RW 3128 VSJ Start Delay 0 0 360 0 180 0 s RW 3129 VSK Start Speed 1800 10000 1800 RW 3130 DT8 VZH Discharge Temper Serious Alarm 0 1 1 YES Enum 3 RW 3131 HS7 Heatsink Serious Alarm 0 1 0 N...

Page 85: ...g speed 0 0 100 0 5 0 RW 3148 F11 Minimum speed 0 0 100 0 5 0 RW 3149 DTL Parameters Data Log SDL Enable SD Card Log 0 1 1 YES Enum 3 RW 3150 ICE Alarm Config ICE Water Alarm AIT Ice Water Alarm Thres...

Page 86: ...ECF Enable Ctrl Panel Fan 0 1 1 YES Enum 3 RW 3171 CPF SP Ctrl Panel Fan 0 0 100 0 24 0 C RW 3172 DCF Dif Ctrl Panel Fan 0 0 100 0 1 0 C RW 3173 dO1 Delay OFF Ctrl Panel Fan 0 600 60 s RW 3174 DPF Pan...

Page 87: ...arge Temperature 50 0 110 0 NTC 10K Read 18507 11 Liquid Temperature 50 0 110 0 NTC 10K Read 18509 12 Air Ambient Temperature 50 0 110 0 NTC 10K C Read 18508 13 Control Panel Temp 50 0 110 0 NTC 10K R...

Page 88: ...d Pump 0 100 0 10 V Read 19007 6 7 EXV Valve 0 100 EXV Read 19005 8 DO DIGITAL OUTPUTS 1 2 4 Way Valve 0 1 N O Read 18010 3 Start Fan 1 0 1 N O Read 18011 4 Start Fan 2 0 1 N O Read 18012 5 Liquid Val...

Page 89: ...hnician must select between mother or son configuration The functionality is basically the same but it changes on compressor control because on Mother unit we need to use VZH and Oil Management featur...

Page 90: ...s validated by this block where the program identifies if a sensor has a failure or not If a sensor has a problem the logic will trip an alarm and the user has to clear and check the root cause of the...

Page 91: ...nd actions in the MCXShape When you drag an alarm from the Resources into the logic area you retain all these settings The main logics of the alarms are Serious Alarm when phase protector trips Figure...

Page 92: ...p is Ice Water Alarm and if the temperature continuing decreases and the unit has not stopped the Ice alarms must trip immediately Figure 56 Logic of Ice Alarm DGS Alarm When the DGS detects a leak of...

Page 93: ...evap pump running 0 1 AUTO ACTIVE Read 1901 03 HP1 High Pressure 0 1 ALt INACTIVE Read 1901 04 LP1 Low Pressure 0 1 ALr INACTIVE Read 1901 05 C11 General Compressor 1 0 1 AUTO ACTIVE Read 1901 06 A06...

Page 94: ...UTO ACTIVE Read 1903 00 W01 Oil Level Switch Warning 0 1 AUTO ACTIVE Read 1903 01 T27 T27 Active 0 1 AUTO ACTIVE Read 1903 02 T37 T37 Active 0 1 AUTO ACTIVE Read 1903 03 T18 T18 Active 0 1 AUTO ACTIVE...

Page 95: ...IVE Read 1905 09 W74 DGS Modbus Fault 0 1 AUTO ACTIVE Read 1905 10 FA1 Fan 1 Inv Alarm 0 1 AUTO ACTIVE Read 1905 11 FA2 Fan 2 Inv Alarm 0 1 AUTO ACTIVE Read 1905 12 Mother Son Logic Evaporator Pump co...

Page 96: ...lic cf eng www clima flex com 96 Mother Son Logic Set point Control This section defines if the set point Temperature Differential will work with heat or cooling mode Figure 59 Logic of Set point Sele...

Page 97: ...demand according to the value of actual Leaving Water Temperature versus the Set Point defined by the user The function that calculates that value is a PI Proportional integral block The Flow chart o...

Page 98: ...iom clic cf eng www clima flex com 98 Figure 61 Logic of Demand Calculation Figure 62 Logic of Regulation Control Box PI section Mother Son Logic...

Page 99: ...he operation of the compressor The Boxes are EnableRegulationControl This box validates if all conditions are correct to enable the regulation Figure 63 Box for Enable Regulation CompressorControl Thi...

Page 100: ...65 VZH Map Control sequence VZH Oil Manager only for mother unit The brick controls the oil level in VZH compressors and takes the appropriate actions to ensure the safe operation of the compressors...

Page 101: ...orator temperature sensor TetempeatureValue and one pressure sensor suction pressure are needed The actual superheat is calculated based on these two sensor readings and the controller will adjust the...

Page 102: ...lower than target Increase target discharge pressure when the EEV is fully open this may be happening for Data Center applications and or chiller starting in a building after being off for a long time...

Page 103: ...s Db Ptarget Param_Db Deadband Mode enabled IF Db P_Disc Db What it does Deadband mode holds the value from when the control variable P_disc enters the Deadband range When exiting either side of the d...

Page 104: ...verride fans if Timer Elapsed Param_Fan_Off_timer o Default 2 min test if this is too long Override the Timer if P_Disc Cutoff_overide The set point of the discharge pressure is a floating SP that wil...

Page 105: ...iom clic cf eng www clima flex com 105 SD Card Log Control It is possible to record 32 values in the SD card with an adjustable Sample rate Factory default is 10 seconds Mother Son Logic...

Page 106: ...displayed on the control panel The control panel The power LED is activated when the frequency inverter is supplied with mains voltage Green LED on The control section is running Yellow LED Warning I...

Page 107: ...nal via the digital inputs has higher priority than the Hand on and Auto on control keys QUICK TRANSFER OF PARAMETER SETTINGS Once the configuration of a frequency converter has been completed store t...

Page 108: ...The following parameter groups can be accessed 0 Operation Display 1 Load Motor 3 Reference Ramps 4 Limits Warnings 5 Digital input output 6 Analog input output 7 Controls 8 Communication and options...

Page 109: ...heck the correct structure of the water supply Check that all pipes are filled with water and that air has been evacuated Check thermometers not included from factory Check the pressure gauges not inc...

Page 110: ...tart If water flow is detected in the piping the internal sequence of the unit will start NOTE After completing the inspection of the above installation points and making sure that all elements of the...

Page 111: ...e performed on a regular basis Over long periods of operation the heat exchanger will become fouled impairing efficiency and reducing the units performance Consult your local supplier about cleaning t...

Page 112: ...ended that the unit be turned on 24 hours prior to first start up to begin warming up the compressor crankcase HYDRAULIC MAINTENANCE Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Cleaning of the hyd...

Page 113: ...Inspection of fan blades cleaning of fan blades Quarterly Plan x x x x Real Compressor power consumption check to determine refrigerant loss quarterly Plan x x x x x x Real Compressor oil inspection m...

Page 114: ...he solenoid Check wiring Motor electrical problems Check for open shorted or bubbled motor Loose wiring Check all wire connections and tighten all terminal screws Compressor makes noise or vibrates Co...

Page 115: ...of regulating condenser temperature Excess oil used If the system has excess oil recover and adjust by observing the sight glass on the compressor Motor overload relays or circuit breakers open Volta...

Page 116: ...e Loose fitting in oil line Correct to bring conditions within allowable limits Compressor staging intervals too short Control band not properly adjusted Check and correct Water temperature sensor fai...

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Daikin Clima-Flex CLIC Series, Installation, Operation And Maintenance Manual

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