dixell xc440c Instruction Manual
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dixell xc440c Instruction Manual

Electronic controller for compressor racks
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Electronic Controller for
Compressor Racks
XC440C
Instructions Manual

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Summary of Contents for dixell xc440c

  • Page 1 Electronic Controller for Compressor Racks XC440C Instructions Manual...

  • Page 2: Table Of Contents

    OW TO PROGRAM A HOT KEY FROM THE INSTRUMENT 10.2 (DOWNLOAD) OW TO PROGRAM AN INSTRUMENT USING A HOT KEY 11. KEYBOARD LOCKING 11.1 OW TO LOCK THE KEYBOARD 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 2 / 28...
  • Page 3 16. RS485 SERIAL LINK 17. TECHNICAL FEATURES 18. ALARM LIST 18.1 YPES OF ALARMS AND SIGNALLING MANAGED 18.2 LARM MUTING 18.3 – LARM CONDITIONS SUMMARY TABLE 19. WIRING CONNECTIONS 20. DEFAULT VALUE 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 3 / 28...

  • Page 4: Operating Instructions Cod

    In case of applications in industrial environments, the use of mains filters (our mod. FT1) in parallel with inductive loads could be useful. 2. General description The XC440C is designed to manage compressors or fans in a condensing system such as a pack. The compressors can be simple, multistage or with different capacities.

  • Page 5: First Installation

    According to the part number a controller is pre-set to work with the following pressure probes: XC440C – xxxxA, or XC440C – xxxxE: PP11: -0.5÷11 bar (-7÷160 PSI) - relative pressure; XC440C – xxxxB: PP30: 0÷30 bar (0÷435PSI) - relative pressure If the probes you’re using have a different range act as in the following:...

  • Page 6: H Ow To Set The Kind Of Display : Relative Or Absolute Pressure

    Push the SET to modify the value. Set the AbS value and push the SET key to confirm it. To exit: Press SET + UP or wait 30s without pressing a key. 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page...

  • Page 7: User Interface

    By holding it pressed for 3s the Maintaining menu is entered. & & KEY COMBINATIONS To lock and unlock the keyboard. & & SET + To enter the programming mode. SET + To exit the programming mode. 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 7 / 28...

  • Page 8: The Icons

    PROCEDURE Set the kind of freon by means of the FtyP parameter (see 3.1 How to set the kind of gas) Set the measurement unit (dEU par.). 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 8 / 28...

  • Page 9: Parameters Programming

    . When a parameter is present also in “Pr1” decimal point of the lower display is on. 6.3 How to change parameter values 1. Enter the Programming mode. & & 2. Select the required parameter with 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 9 / 28...

  • Page 10: How To Disabled An Output

    The led of the first output is switched on, the Upper Display shows the “HUr” label, while the Lower Display shows the shows the running hours of the first output. 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 10 / 28...

  • Page 11: H Ow To Reset The Running Hours Of A Load

    To erase the displayed alarm push the “SET” key till the “rSt” label will be displayed in the Lower Display, NOTE the running alarms cannot be erased.. To erase the whole Alarm Menu, hold pressed the “SET” key for 10s. 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 11 / 28...

  • Page 12: Use Of The Programming "Hot Key

    HACCP menu. 11.2 To unlock the keyboard & & Keep the keys pressed together for more than 3s till the “POn” flashing message appears. 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 12 / 28...
  • Page 13 PC1 ..PC4 Power of compressor 1...4: for setting the power of single compressors. Available only if CtyP=dPo. The power is identified by a value (range 1÷255) proportional to the capacity of single compressor. 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page...
  • Page 14 CL: the digital input is activated by closing the contact. ALMr Manual reset of alarms for compressors and fans. 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 14 / 28...
  • Page 15 (no = “doF” not enabled; odo: Regulation delay on start-up: (0÷255s) on switching ON the instrument starts working after the time delay imposed in this parameter. 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 15 / 28...
  • Page 16 LAF: Low pressure alarm – fans section: The measurement unit depends on the dEU parameter. It’s always referred to fan set point When the value SETF-LAF is reached the LA2 alarm is enabled, (possibly after the AFd delay time). 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page...
  • Page 17 Ad2: Fans address (1 –247) It is used in monitoring system. rEL Software release for internal use. Ptb Parameter table code: readable only. Pr2 Access to security code protected menu 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 17 / 28...
  • Page 18 S e t + (P b d/2) neutral zone S e t 7LPH S e t - (P b d/2 ) Compressor disconnection area Compressor Status & 2Q & & Delay 7LPH functioning 7LPH 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 18 / 28...
  • Page 19 Set-Pbd/4 Set-Pbd/2 A LL LO AD S O FF This draw highlights the doF time: the loads are in fact turned off only when the doF time is over. 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 19 / 28...
  • Page 20 The ambient operating temperature range is between 0÷60°C. Avoid locations subject to heavy vibration, corrosive gases or excessive dirt. The same applies to the probes. Ensure ventilation around the instrument. Figure 1 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 20 / 28...
  • Page 21 Ad2 for fan section. To completely monitor both sections the values of the 2 addresses have to be different. If the Ad2 parameters have the same value the status of the fans is not monitored. 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page...
  • Page 22 Corrige • nLod Number of loads higher Check number of oAi set as load, this than loads available in the number has to be lower of equal to the 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 22 / 28...
  • Page 23 This alarm signals that the pressure (temperature) is out of limits established by parameters LAL and HAL for compressors and LAF –HAF for fans. The tAo and AFd parameters set the delay between alarm condition and alarm signalling. 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page...
  • Page 24 A load has worked for signalling only Manually: reset the running hour of the maintenance the hour set in the compressor alarm SEr parameter (see par. 8 Running hours of loads) 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 24 / 28...
  • Page 25 1592001300 19. Wiring connections ALARM LOAD1 LOAD2 LOAD3 LOAD4 8(3)A 8(3)A 8(3)A 8(3)A 8(3)A250V Input 4÷ 20m A Probe: PP11 / PP30: Brown (5), White (4) PTC/NTC: 3-4 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 25 / 28...
  • Page 26 0 ÷ 255 (min.) switching ON of the same compressor OFOn Pr2 Minimum time between the switching 0 ÷ 255 (min.) off of a compressor and the following switching on 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 26 / 28...
  • Page 27 Pr1 High pressure alarm – fans section (0.1 ÷ 30.0)BAR (0.1 ÷ 100.0)°C (1 ÷ 430)PSI (1 ÷ 200.0)°F Pr2 Low and High pressure alarms delay 0 ÷ 255 (min) – fans section 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 27 / 28...
  • Page 28 Z.I. Via dell’Industria, 27 - 32010 Pieve d’Alpago (BL) ITALY tel. +39 - 0437 - 98 33 - fax +39 - 0437 - 98 93 13 http://www.dixell.com E-mail: dixell@dixell.com 1592001300 XC440C gb r1.0 07.06.2004.doc rel. 1.0 Page 28 / 28...

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