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Emerson Dixell XC15CX, Installing And Operating Instructions

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Emerson Dixell XC15CX Installing And Operating Instructions Download Page 32

 

1592001530 XC15-35CX EN r1.2 11.04.2017                                 XC15-35CX                       

    32/40   

 

-

 

Lto

: lower limit 

-

 

Hto

: upper limit 

-

 

toH

: differential 

-

 

Po1

: minimum output value (in percentage) 

-

 

Po2

: maximum output value (in percentage) 

 

 

16.5.3

 

ELECTRONIC VENTILATORS 

If  par. 

oAn=EFn

,  then  the  analogue  output  can  be  used  to  control  electronic  ventilators  (with 

input signal command 0-10Vdc). Regulation is proportional in the band defined from par. 

HY2

: 

-

 

When 

VAL=St2

 the analogue output will be forced to 

Ao1

 

-

 

When 

St2  <  VAL  <  St2+HY2

  the  analogue  output  will  be  proportional  in  the  range 

Ao1...Ao2

 

-

 

When 

VAL >= St2+HY2

 the analogue output will be forced to 

Ao2

 

 

16.5.4

 

SILENT MODE 

The  activation  of  the silent mode reduces  the maximum  allowed  speed  for  ventilators  when  in 
predefined intervals. 
 

Parameter  Description 

FSS 

Fan speed when silent mode active 

Hd1 

First holyday of the week 

Hd2 

Second holyday of the week 

iLE 

Beginning of the silence mode interval during working days 

dLE 

Duration of the silence mode interval during working days 

iSE 

Beginning of the silence mode interval during holydays 

dSE 

Duration of the silence mode interval during holydays 

 

Summary of Contents for Dixell XC15CX

Page 1: ...XC15CX XC35CX ...

Page 2: ...ltage Models 24VAC 8 4 3 RATIOMETRIC 0 5VDC PRESSURE AND TEMPERATURE PROBES 8 4 3 1 General Warnings 8 4 4 DIGITAL INPUTS 9 4 5 ANALOGUE OUTPUT OAN 9 4 6 POWER OUTPUT OA3 TRIAC 9 4 6 1 HIGH VOLTAGE POWER SUPPLY MODEL 110 O 230VAC 10 4 6 2 LOW VOLTAGE POWER SUPPLY MODEL 24VAC 11 5 MOUNTING INSTALLATION 12 6 FIRST INSTALLATION 12 6 1 PRESSURE TRANSDUCERS 12 7 USER INTERFACE 13 7 1 DISPLAY 13 7 2 KEY...

Page 3: ... 23 15 11 DYNAMIC SETPOINT 24 15 12 ANALOGUE OUTPUT OAN 24 15 13 BUMP FUNCTION 24 15 14 ANTI RESONANCE 25 15 15 OUTPUT CONFIGURATION 25 15 16 DIGITAL INPUTS 26 15 17 OTHER 26 16 REGULATORS 27 16 1 DIGITAL COMPRESSOR REGULATION 27 16 1 1 How Digital Regulation works 27 16 1 2 Capacity decrement and regulation stop 28 16 1 3 Digital compressor capacity limitation by using parameters PMi and PMA 28 1...

Page 4: ...ISABLED IXF NU 35 18 2 REGULATION ENABLED IXF ENB 35 18 3 LOW AND HIGH PRESSURE ALARMS IXF LP OR HP 35 18 3 1 TEMPORARY REGULATION LOCK 35 18 3 2 PERMANENT REGULATION LOCK 36 18 4 ENERGY SAVING ACTIVATION IXF ES 36 18 5 SILENCE MODE IXF SIL 36 18 6 GENERIC EXTERNAL ALARM IXF EAL 36 18 7 LOCK ALARM IXF BAL 37 18 8 SECURITY INPUT IXF OAX 37 18 9 REVERSE ANALOGUE OUTPUT ACTION IXF REV 37 19 ALARMS 37...

Page 5: ... maximum current which can be applied to each relay see Technical Data Ensure that the wires for probes loads and the power supply are separated and far enough from each other without crossing or intertwining Fit the probe where it is not accessible by the end user In case of applications in industrial environments the use of mains filters our mod FT1 in parallel with inductive loads could be usef...

Page 6: ...PPR15 0T15 bar Discharge Pressure Transducer PPR30 0T30 bar Programming parameter tool HOT KEY 4K 3 1 RATIOMETRIC PRESSURE TRANSDUCERS 0 5VDC PPR15 2 0m 0T15 bar Code BE079302 00 PPR30 2 0m 0T30 bar Codice BE079302 02 3 2 PIPE MOUNTING TEMPERATURE PROBE NP4 67 The NP4 67 temperature probe can be used on the discharge line to monitor the discharge temperature of the compressor NP4 67 1 5m NTC probe...

Page 7: ... from the outputs and the power connections Do not exceed the maximum current allowed on each relay 16_A or 5_A resistive burden In the case of higher current burden please use a suitable external power contactor 4 2 WIRINGS DIAGRAMS 4 2 1 High Voltage Models 110VAC 230VAC TRIAC output oA3 is internally connected to the power supply LINE L terminal number 3 Follow instructions on par 4 3 for probe...

Page 8: ...eneral Warnings In case of using of terminal ends pay attention there are no bear parts which could cause short circuiting or introduce noise disturbance at high frequencies To minimize the induced disturbances use shielded cables with the shield connected to earth Pressure probes 0 5Vdc Pay attention to the polarity Pb1 13 5Vdc 14 in 16 GND Pb2 13 5Vdc 15 in 16 GND Temperature probes keep all cab...

Page 9: ...2 P2C 0 5 13 15 in 16 gnd 4 4 DIGITAL INPUTS D I 1 available if probe P3 in not available P3P no D I 2 always available D I 3 available if probe P4 in not available P4P no NOTE all digital inputs are free of voltage input types 4 5 ANALOGUE OUTPUT OAN Output PWM 17 18 Output 0 10Vdc 17 18 4 6 POWER OUTPUT OA3 TRIAC There are 2 different models characterized by a different TRIAC power supply stage ...

Page 10: ...ternally connected to the power supply line DO NOT CONNECT LOW VOLTAGE LOADS Loads 2 Compressors ON OFF type 1 Ventilator controlled in phase cut mode Loads 1 Digital scroll compressor 1 Compressor ON OFF type 1 Electronic ventilator Load 1 inverter controlled compressor 1 Compressor ON OFF type 1 Ventilator controlled in phase cut mode ...

Page 11: ...CX 11 40 4 6 2 LOW VOLTAGE POWER SUPPLY MODEL 24VAC WARNING oA3 TRIAC OUTPUT is internally connected to the power supply line DO NOT CONNECT HIGH VOLTAGE LOADS Loads 1 Digital Compressor 110 or 230VAC 1 Compressor ON OFF type 1 Electronic ventilator ...

Page 12: ...he instrument 78 5 36 9 59 5 28 5 6 70 29 71 6 FIRST INSTALLATION PRELIMINARY CONFIGURATION CHECK Check pressure transducer range P1i P1E P2i e P2E Check unit of measurement for both compressor and ventilator regulators 6 1 PRESSURE TRANSDUCERS Use the following parameters to set pressure probe range for both P1 suction probe and P2 discharge probe P1i P2i set the measurment value corresponding to...

Page 13: ...nd P2E CONTROL WITH PRESSURE GAUGE Check that the measurements of the probes both suction and discharge correspond to the pressure gauge reading Generally the pressure transducers do not require recalibration 7 USER INTERFACE 7 1 DISPLAY 7 2 KEYBOARD Standard visualization It is used to see and modify the SETPOINT values In programming mode it is used to modify a parameter or confirm an operation ...

Page 14: ...s ON Unit of measurement for temperature is Fahrenheit degrees ON Unit of measurement for pressure is Bar ON Unit of measurement for pressure is PSI ON Relay output oA1 enabled BLINKING Delay in relay output oA1 activation ON Relay output oA2 enabled BLINKING Delay in relay output oA2 activation ON Relay output oA3 enabled BLINKING Delay in relay output oA3 activation ON Analogue output active ON ...

Page 15: ...he visualization of some operating information Use the UP and DOWN buttons to browse between the variables of the INFO menu The value of the displayed variable is accessed by pressing the SET button NOTE the following information will be displayed if and only if the corresponding function has been enabled Variable Meaning P1 Probe P1 value suction line P2 Probe P2 value condensing line P3 Probe P3...

Page 16: ...d alarm max 999 Type and duration of last 10 alarm events ALx x 0 9 Moreover after detecting a new alarm event If a NEW ALARM has been detected it will be signaled by showing the relative code on the display and by switching on the ALR icon and blinking the MEM icon When at least one alarm is present into memory the icon MEM will be switched on NOTE after entering the ALARM menu the icon MEM will ...

Page 17: ...for 5 sec until the message CLr blinks on the display 3 To reset the only event displayed keep the ALR button pressed for 3 sec until the message rSA blinks on the display NOTE the current alarms will not reset 12 PARAMETER PROGRAMMING 12 1 PR1 MENU To access the parameter list Pr1 user level proceed as follows 1 Keep both SET DOWN buttons pressed for 3 sec 2 The display will show the name of the ...

Page 18: ...unlocked 14 HOT KEY By using the HOT KEY programming tool Code DK00000100 it is possible to transfer any configuration to and from the internal memory device 14 1 UPLOAD CONFIGURATION TRANSFER FROM DEVICE TO HOT KEY 1 Insert an HOT KEY into the 5 pin port paying attention to the polarity 2 Press the UP button the message uPL will be displayed during the upload operation At the end of the operation...

Page 19: ...S2 Minimum value for SETPOINT 2 P2C NTC 40 0 C to US 40 F to US P2C 0 5 P1i to US bar PSI US2 Maximum value for SETPOINT 2 P2C NTC LS to 110 0 C LS to 230 F P2C 0 5 LS to P1E bar PSI ESC Offset for SETPOINT 1 when in energy savin mode P1C ntC 50 0 to 50 0 C 90 to 90 F P1C 0 5 20 0 to 20 0 bar 300 to 300 PSI ESF Offset for SETPOINT 2 when in energy saving mode P2C ntC 50 0 to 50 0 C 90 to 90 F P2C ...

Page 20: ...0 5 12 0 to 12 0 bar 200 to 200 PSI P2C ntC 12 0 to 12 0 C 21 to 21 F P2d Pressure probe reading error delayed valid if P2C 0 5 0 to 255 min 15 3 3 Other Probes Configuration P3P Probe P3 presence n not available Y available P3C Probe P3 configuration n86 temperature probe NTC86k ntC temperature probe NTC10k Pt1 temperature probe PT1000 P3F Calibration 12 0 to 12 0 C 21 to 21 F P4P Probe P4 presen...

Page 21: ...he analogue output value oAn will be increased proportionally to voS to the expiration of regular intervals of 1 min and up to the calculated value by the PI controller If voS StP then the analog output will go immediately to the value calculated by the PI controller vo2 Control signal increasing for inverter controlled compressors 0 to 100 StP the analogue output value oAn will be decreased propo...

Page 22: ...ed after the delay odS Con Compressor ON time in case of regulation probe error 0 to 255 min used only for ON OFF compressors CoF Compressor OFF time in case of regulation probe error 0 to 255 min used only for ON OFF compressors 2on Delay between two consecutive activation of the same compressor 0 a 255 min 2oF Delay between deactivation and next activation of the same compressor 0 to 255 min don...

Page 23: ...0 C LAL to 356 F P1 PT1000 LAL to 180 C LAL to 356 F P1 0 5 LAL to P1E bar PSI AdS Delay for temperature pressure alarm activation on suction line 0 to 255 min ELP Electronic pressure control threshold Low pressure alarm on suction line P1 NTC10k NTC86k PT1000 40 0 C to St1 40 F to St1 P1 0 5 P1i to St1 bar PSI CUP Compressor up time before maintenance 10 to 9990 hours res 10 hours after reaching ...

Page 24: ...80 C 40 to 356 F dSb Regulation band for dynamic setpoint 50 to 50 C 90 to 90 F dSd Differential for dynamic SETPOINT 50 to 50 C 90 to 90 F 15 12 ANALOGUE OUTPUT OAN AoP Analogue output reference probe valid if oAn PrP nP P1 P2 P3 P4 LAo Lower limit for analogue output input value AoP corresponding to the minimum analogue output value Ao1 NTC10k 40 to 110 C 40 to 230 F NTC86k 40 to 180 C 40 to 356...

Page 25: ... third skipped band If frequency output 0 to SE3 Hz If voltage output 0 0 to SE3 V SE3 Upper boundary of the third skipped band If frequency output SE3 to 500Hz If voltage output SE3 to 10V 15 15 OUTPUT CONFIGURATION tbA Alarm relay deactivation n Y oA1 Relay output 16 A nu output not used onF output activated when controller in ON ALr alarm output Fn1 ventilator output dGt Digital Scroll output d...

Page 26: ...ut before stopping the regulation x 1 2 3 0 to 15 if ixF LP HP or bAL after detecting nPx alarms in an interval of time diA the regulation will be stopped diA Interval of time for LP HP bAL lockout alarm management 0 to 100 hours When diA 0 this function is disabled HPF Minimum time with compressor locked in case of LP HP bAL lockout alarms 0 to 15 min Ar Regulation restart in case of any lockout ...

Page 27: ...gital Regulation works a The regulation starts when the pressure temperature on the suction line increases and reaches the value SET 0 5 HY1 If available the compressor will be activated and controlled by Digital modulation PWM output TRIAC set as oA3 DGS d4d NOTE after start up the digital valve is energized for SUt seconds to ensure the discharge of any liquid present in the compressor a Within ...

Page 28: ...tivated and the Digital compressor will keep on working for interval of time doF c After the delay doF expires the Digital compressor will be stopped 16 1 3 Digital compressor capacity limitation by using parameters PMi and PMA The Digital compressor capacity can be limited both in maximum and minimum value by using par PMi e PMA as showed in the following diagram PMi HY1 PMi 100 PMA HY1 1 PMA 100...

Page 29: ...er for PI regulator enabled Sut Interval with compressor at maximum power after start up tdG Interval of time used to calculate the pressure temperature average value for regulation PMi Minimum compressor power in percentage PMA Maximum compressor power in percentage ton Delay before activating a second compressor toF Delay before deactivating a second compressor voS Increment for compressor power...

Page 30: ...verter controlled compressor is not available due to safety delays 2on and 2oF or due to external signal another compressor will be activated if available 16 2 2 Capacity decrement and regulation stop a When the pressure goes below the value SET 0 5 HY1 the inverter controlled compressor will be forced at the minimum allowable capacity for the time t1F b After expiring the delay toF the second com...

Page 31: ...are set it is possible to enable the rotation function par roF YES in order to equalize the ventilator working hours 16 5 1 ON OFF VENTILATORS It is possible to drive a max number of 2 ON OFF ventilators by setting par oA1 Fn1 and oA2 Fn2 When only one ventilator is set then It is activated when VAL St2 HY2 It is deactivated when VAL St2 If two ON OFF ventilators are set oA1 Fn1 and oA2 Fn2 then I...

Page 32: ...to Ao1 When St2 VAL St2 HY2 the analogue output will be proportional in the range Ao1 Ao2 When VAL St2 HY2 the analogue output will be forced to Ao2 16 5 4 SILENT MODE The activation of the silent mode reduces the maximum allowed speed for ventilators when in predefined intervals Parameter Description FSS Fan speed when silent mode active Hd1 First holyday of the week Hd2 Second holyday of the wee...

Page 33: ... When the temperature measured by the probe dSP goes over the dSS SET POINT this function will be activated The value of the dynamic SET POINT increases proportionally from 0 to dSd when the temperature measured by the probe dSP dSS dSb The value of the dynamic SET POINT is continuously added to the value of the ventilator set point St2 17 2 ANALOGUE REPEATER When enabled par oAn PrP the analogue ...

Page 34: ...imited in the following way By using par HFL if Digital or inverter controlled compressor for dHF interval of time After that the compressor will be stopped if the alarm condition persists and if HFC YES Immediately stopped after dHF interval of time if ON OFF compressor 17 5 PRESSURE PROBE ERROR MANAGEMENT AT START UP At powering on a pressure error probe will be signaled after the P1d delay expi...

Page 35: ...ENABLED ixF Enb In this case the digital input will act as enabling input The regulation will start only if the signal is present If the regulation is locked the display will show the Lod variable alternated with the label onF in order to signal the external lock active 18 3 LOW AND HIGH PRESSURE ALARMS ixF LP or HP This signal is used to signal that a low or high pressure value is present on the ...

Page 36: ... YES by switching OFF and ON the device through Stand by mode by powering OFF and ON the device 18 4 ENERGY SAVING ACTIVATION ixF ES The digital input signal activates and deactivates the energy saving mode 18 5 SILENCE MODE ixF SiL The digital input is used to activate the silence mode This function acts on the ventilators driven from an inverter or in phase cut mode The ventilator speed is force...

Page 37: ...gital input is used to deactivate the oAx output It can be used to deactivate both compressor and ventilators The following outputs will not be affected from digital input oA3 dGt d4d oAx ALR Any digital input activation will lead to immediately deactivate the linked output This condition will be signaled on the display by the label EAx x 1 2 3 n and by the flashing of the relative icon As soon as...

Page 38: ...on ends HLL Low pressure temper ature lockout on condenser Pressure temperat ure out of range Check cooling circuit Manual after error condition ends dLt Discharge line temperature warning Temperature out of range Check cooling circuit Automatically after temperature goes below the differential and at the end of the cooling time dLL Discharge line temperature lockout Temperature out of range Check...

Page 39: ... maintenance Manual by powering off and on the device FUP Ventilator maintenance warning Perform maintenance Manual by powering off and on the device EE EEPROM memory error Hardware problem Contact Dixell Service rtC RTC configuration error Set RTC parameters Automatic after error condition ends rtF RTC malfunctioning Hardware problem ...

Page 40: ...uts up to 3 free voltage contacts Outputs oA1 SPST 16 8 A 250VAC oA2 SPST 5 2 A 250VAC only for XC35CX oA3 Triac depending on the model 0 5A 250Vac or 120Vac 1 5A 24Vac oAn 0 10Vdc max 20mA Buzzer optional Data storing on the non volatile memory EEPROM Internal clock back up 24 hours Kind of action 1B Pollution degree 2 Software class A Rated impulsive voltage 2500V Overvoltage Category II Operati...

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