Related Manuals for Carel EVD ice
Summary of Contents for Carel EVD ice
- Page 1 EVD ice Superheat control for unipolar electronic expansion valve User manual NO POWER & SIGNAL CABLES TOGETHER READ CAREFULLY IN THE TEXT! H i g h E f f i c i e n c y S o l u t i o n s...
- Page 3 The technical specifications shown in the manual may be changed without cables in the same conduits. prior warning. NO POWER The liability of CAREL in relation to its products is specified in the CAREL general & SIGNAL contract conditions, available on the website www.carel.com and/or by CABLES specific agreements with customers;...
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Page 5: Table Of Contents
9. ALARMS 9.1 Types of alarms ....................24 9.2 Probe alarms ....................24 9.3 Control alarms ....................24 9.4 Valve emergency closing procedure ............24 9.5 Network alarm ....................24 Alarm table ....................25 10. TROUBLESHOOTING 11. TECHNICAL SPECIFICATIONS “EVD ice” +0300038EN - rel. 1.1 - 23.04.2018... -
Page 7: Introduction
1.3 Accessories EVD ice is an electronic superheat controller for Carel unipolar expansion valves. EVD ice has been specially designed to be installed near the valve, directly on the refrigerant circuit, simplifying installation and making Ratiometric pressure probe P/N SPKT0013P0 (-1 to 9.3 bars) -
Page 8: Installation
Important: • install EVD ice on the evaporator away from the places where EVD ice can be installed directly on the evaporator. Mark the position and ice forms; drill the holes (Ø <4.5 mm). Then tighten the fastening screws. •... -
Page 9: Application Diagrams
COLD ROOM COLD ROOM COLD ROOM Evaporator Electrical panel Condenser IP65 Evaporator unit 230 V input Regulator EVD ICE EVD ICE driver ULTRACAP 230 V Condenser unit ON / OFF Compressor Fig. 2.e “EVD ice” +0300038EN - rel. 1.1 - 23.04.2018... -
Page 10: Wiring Description
(contactors, circuit breakers, etc.). Reduce the path of probe cables as much as possible, and avoid spiral paths that enclose power devices; • *EVD ice is a controller to be incorporated into the final equipment; it must not be wall-mounted; marrone/ brown - L verde/ green - GND... -
Page 11: User Interface
- first the “-“sign; At the end the display shows two hyphens and then awaits the - then the tens and units. commissioning parameters. “EVD ice” +0300038EN - rel. 1.1 - 23.04.2018... -
Page 12: Commissioning
4. COMMISSIONING GAS Type Important: if the refrigerant is not available among the refrigerant parameter options, contact CAREL service to: confirm that the system: (c.pCO/Ultracella,...)+ EVD ice + CAREL electronic Mode expansion valve is compatible with the desired refrigerant (Gas type=custom);... -
Page 13: Functions
5. FUNCTIONS 5.1 Control EVD ice is a superheat controller. The type of refrigeration unit can be selected using the “Operating mode” parameter. Parameter/description Def. Operating mode 1 = multiple- xed cabinet/ 1 Multiplexed cabinet/cold room cold room 2 Air-conditioner/chiller with plate heat exchanger... -
Page 14: Special Control Function: Smooth Lines
The other configuration parameters, to be set where necessary before Note: when selecting the type of Mode, the PID control values starting the controller, concern : suggested by CAREL will be automatically set for each application. • the type of ratiometric pressure probe;... -
Page 15: Protectors
Alarm automatic reset Reset: summary description of the type of reset following the activation of the protector. Reset is controlled to avoid swings around the activation threshold or immediate reactivation of the protector. “EVD ice” +0300038EN - rel. 1.1 - 23.04.2018... - Page 16 To reduce the evaporation temperature, the output of the refrigeration unit needs to be decreased. This can be done by controlled closing of the electronic valve, implying “EVD ice” +0300038EN - rel. 1.1 - 23.04.2018...
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Page 17: Parameters Table
4800, 2 stop bit, parity even 4800, 1 stop bit, parity odd 9600, 2 stop bit, parity even 9600, 1 stop bit, parity odd 19200, 2 stop bit, parity even 17 19200, 1 stop bit, parity odd “EVD ice” +0300038EN - rel. 1.1 - 23.04.2018... -
Page 18: Network Connection
RS485 data transmission is used. The RS485 converter is used to connect a computer running the VPM software to the EVD ice driver via a serial network, for commissioning the Note: if choosing complete installation (Setup full), uninstall any controllers. -
Page 19: Restore Default Parameters
Update device Select list of parameters and then Upload to controller Upload Select firmware and Upload - firmware Synoptic and Overview with position of graphs probes and probe and su- perheat readings in real time Tab. 8.a “EVD ice” +0300038EN - rel. 1.1 - 23.04.2018... -
Page 20: Setup Using Configuration File
On the other hand, Check whether there are other parameters that need to be set (see the to load a list of parameters supplied by CAREL, select “Load” and “Functions” chapter);... -
Page 21: Variables Accessible Via Serial Connection
R/W par. C8 Mop_Inhibition_threshold MOP: disabling threshold 30 (86) -85(-121) 200(392) Par_S1_Alarm_threshold_ PressureS1: alarm MIN value -85(-290) Par_S1_ Alarm_th- reshold_high Par_S1_Alarm_threshold_ PressureS1: alarm MAX value Par_S1_ 200(2900) high Alarm_th- reshold_low Tctrl_rev_set Reserved -85(-121) 200(392) “EVD ice” +0300038EN - rel. 1.1 - 23.04.2018... -
Page 22: Control States
Forced closing is performed after the driver is powered on and corresponds refrigeration unit starts, the valve opening must be increased. to the typical number of closing steps for CAREL E2V and E3V unipolar valves. This is used to realign the valve to the physical position corresponding to Wait completely closed. -
Page 23: Special Control States
As well as normal control status, the driver can have three special states related to specific functions: • manual positioning: this is used to interrupt control so as to move the valve, setting the desired position; “EVD ice” +0300038EN - rel. 1.1 - 23.04.2018... -
Page 24: Alarms
The following description only applies if EVD ice is connected to the input status, until the error is no longer present. Ultracap module. In the event of a power failure, EVD ice can provide Example: the display shows probe alarms A1 and A2 in sequence. The... -
Page 25: Alarm Table
Apply a “soft start” technique, activating the utilities one at a time or in small groups. If this is not extreme transitory conditions at start-up (for ca- possible, decrease the values of the MOP thresholds on all the utilities. binets only). “EVD ice” +0300038EN - rel. 1.1 - 23.04.2018... -
Page 26: Technical Specifications
Class of insulation Software class and structure Conformity Electrical safety : EN 60730-1, UL 60730-1, UL 60730-2-9 Electromagnetic compatibility: EN 61000-6-1, EN 61000-6-2, EN 61000-6-3, EN 61000-6-4 EN61000-3-2, EN55014-1, EN61000-3-3 Tab. 11.a “EVD ice” +0300038EN - rel. 1.1 - 23.04.2018... - Page 28 Agenzia / Agency: CAREL INDUSTRIES HeadQuarters Via dell’Industria, 11 - 35020 Brugine - Padova (Italy) Tel. (+39) 049.9716611 - Fax (+39) 049.9716600 e-mail: carel@carel.com - www.carel.com...
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