Carel EVD Evolution Twin User Manual
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Carel EVD Evolution Twin User Manual

Driver for 2 electronic expansion valves
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EVD evolution twin
Driver for 2 electronic expansion valves
User manual
NO POWER
& SIGNAL
CABLES
TOGETHER
READ CAREFULLY IN THE TEXT!
I n t e g r a t e d C o n t r o l S o l u t i o n s & E n e r g y S a v i n g s

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Summary of Contents for Carel EVD Evolution Twin

  • Page 1 EVD evolution twin Driver for 2 electronic expansion valves User manual NO POWER & SIGNAL CABLES TOGETHER READ CAREFULLY IN THE TEXT! I n t e g r a t e d C o n t r o l S o l u t i o n s & E n e r g y S a v i n g s...
  • Page 3 The technical specifications shown in the manual may be changed without prior warning. NO POWER The liability of CAREL INDUSTRIES in relation to its products is specified in & SIGNAL the CAREL INDUSTRIES general contract conditions, available on the website...

  • Page 5: Table Of Contents

    Control with refrigerant level sensor ..........28 6. FUNCTIONS Power supply mode ..................29 Battery charge delay .................29 Network connection ................29 Inputs and outputs ..................29 Control status ....................31 Special control status ................32 7. PROTECTORS Protectors ......................34 “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 7: Introduction

    0 to 10 Vdc analogue input signal for driver A (inputs S1 and S2 respectively) pCO programmable controller; and with 4 to 20 mA signal for driver B (input S3). EVD evolution twin comes • superheat control with protection functions for low superheat LowSH, with a LED board to indicate the operating status, or a graphic display MOP, LOP;...
  • Page 8 Fitted with cables and This is used when controlling the valve based on the liquid level in the flooded connectors, it can connect EVD evolution twin directly to a computer, which, evaporator or condenser. Available with threaded or flanged connector.

  • Page 9: Installation

    2. INSTALLATION 2.1 DIN rail assembly and dimensions 2.3 Connection diagram - superheat control EVD evolution twin is supplied with screen-printed connectors to simplify CAREL E CAREL E wiring. VALVE A VALVE B Power Supply V connection Relay evolution twin...

  • Page 10: Installation

    24 Vac 2 AT 2 AT EVD evolution twin can control two CAREL valves connected together (see 2 AT paragraph 4.2), in parallel mode, with identical behaviour, or in complementary mode, whereby if one valve opens, the other closes by the same percentage.

  • Page 11: Shared Pressure Probe

    Note: operation in parallel and complementary mode can only be used for CAREL valves, within the limits shown in the table below, where OK OPEN A OPEN B...

  • Page 12: Connecting The Module Evbat00400

    VPM program and for updating the controller firmware, downloadable from http://ksa.carel.com; • to save time, up to 8 controllers EVD evolution twin can be connected to the computer, updating the firmware at the same time (each controller must have a different network address).

  • Page 13: General Connection Diagram

    B Lmax= 10 m or AWG14 Lmax= 50 m. alarm signal driver B voltage-free contact (up to 230 Vac) driver A solenoid valve driver A alarm signal driver A “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 14: User Interface

    9.5. (e.g. superheat control), the alarms, the status of the digital inputs and the (**) Only if EVD Evolution TWIN is operating as a single driver or programmable relay outputs. Finally, it can save the configuration parameters for one superheat control is enabled.

  • Page 15: Switching Between Drivers (Display)

    Esc one or more times to switch to the standard display and select driver A or B to set the corresponding parameters (see paragraph 3.3); press Prg: the display shows a screen with the PASSWORD request; “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 16: Commissioning

    V connection Relay Power Supply V connection Relay Power Supply V connection Relay control. The network address for EVD evolution twin is single. ADDR=10 ADDR=11 ADDR=12 ADDR = 9 Types of interfaces: • DISPLAY: after having correctly configured the setup parameters, Analog –...

  • Page 17: Guided Commissioning Procedure (Display)

    (common parameter); refrigerant; valve; pressure probe; type of main control, that is, the type of unit the superheat control is applied to. “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 18 EEV motor error from being displayed. I/O expansion for pCO control probes S2 and S4 are set as “CAREL NTC”. Other types of probes can control can be selected at the end of the commissioning procedure, by be selected in the service menu;...

  • Page 19: Checks After Commissioning

    The superheat set point and all the parameters corresponding to PID control, the operation of the protectors and the meaning and use of probes S1/S3 and/or S2/S4 will be automatically set to the values recommended by CAREL based on the selected application.

  • Page 20: Control

    24= Programmable positioner 25= Evaporator liquid level regulation with CAREL sensor 26= Condenser liquid level regulation with CAREL sensor (*) only for CAREL valve drivers; (**) control only settable on driver A, howe- ver corresponds to the entire controller. Tab. 5.a Note: •...
  • Page 21 A and B. de(t) Ratiometric transducers cannot be shared. u(t)= K e(t) + e(t)dt + T Key: u(t) Valve position Integral time e(t) Error Derivative time Proportional gain “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 22: Adaptive Control And Autotuning

    The activation status of the tuning procedure will be shown on the standard PID control. display by the letter “T”. Note: when selecting the type of main control (both superheat control and special modes), the PID control values suggested by CAREL will be automatically set for each application. Superheating 4.9 K...

  • Page 23: Control With Emerson Climate Digital Scroll ™ Compressor

    To be able to use this mode, the LAN version driver must be connected to a Carel pCO series controller running a special application to manage units with Digital scroll compressors.
  • Page 24 S1, from an external regulator. Parameter/Description Def. Min. Max. CONTROL Hot gas bypass pressure set point barg (290) (2900) (psig) PID: proportional gain PID: integral time 1000 PID: derivative time Tab. 5.i “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 25 DI2 for driver B, thus switching between control status and standby. The pre-positioning and repositioning procedures are not performed. Manual positioning can be enabled when control is active or in standby. “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 26: Programmable Control

    Important: the pre-positioning and repositioning procedures are not Association between physical inputs and Programmable control input performed. Manual positioning can be enabled when control is active or in logical outputs standby. “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 27 Function of probe S3 Value Description Units Function of probe S4 f1(S1)+ f2(S2)+ f3(S3)+ f4(S4) 1,….9 Value Input function None Suction temperature Evaporation pressure Evaporation temperature Condensing pressure Condensing temperature Temperature (modulating thermostat) 7,8,9 “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 28: Control With Refrigerant Level Sensor

    Programmable control set point_1 = X.X, no affect higher (lower) than the set point, the EEV valve closes (opens). Programmable control set point_2 = X.X, no affect EVD Evolution twin shares the input associated with probe 2 and moves the two valves in parallel. COMPRESSOR...

  • Page 29: Functions

    The options are standard NTC probes, high temperature NTC, combined EVD evolution twin can be powered at 24 Vac or 24 Vdc. In the event of direct temperature and pressure probes and 0 to 10 Vdc input. For S4 the 0 to 10 current power supply, after completing the commissioning procedure, to Vdc input is not available.
  • Page 30 (100%), unconditionally. When the contact opens again the valve closes and Example 1 : assuming an EVD Evolution twin controller connected to the LAN. moves to the position defined by the parameter “valve opening at start-up” for In this case, the start/stop control will come from the network.

  • Page 31: Control Status

    CONTROL the application; Pre-position time 18000 s EVD Evolution twin does not make any decision and positions the valve as Valve opening at start-up (evaporator/valve explained in the paragraph “Pre-positioning/start control”. The parameter capacity ratio) is reset to 0 (zero) by the Master controller (e.g. pCO). EVD Evolution Tab.

  • Page 32: Special Control Status

    In this case, the PID control must be more reactive (see the chapter on Control) so as to react promptly to variations in load that are not communicated to the driver. “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 33 When the setting the “valve” parameter, the two synchronisation parameters are automatically defined. The default values should not be changed. “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 34: Protectors

    EVD Evolution twin works as a single driver (see Appendix 2) or if the more the superheat falls below the threshold, the more intensely the valve programmable control is activated (see chap.
  • Page 35 MOP protection: integral time ALARM CONFIGURATION High evaporation temperature 18000 s alarm delay (MOP) (0= alarm disabled) Tab. 7.d The integral time is set automatically based on the type of main control. “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 36: Table Of Parameters

    21= -1 to 12.8 barg 22= 0 to 20.7 barg 23= 1.86 to 43.0 barg 24= CAREL liquid level 25 = 0...60,0 barg 26 = 0...90,0 barg 27 = external signal 0…5 V “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 37 21= -1 to 12.8 barg 22= 0 to 20.7 barg 23= 1.86 to 43.0 barg) 24= CAREL liquid level 25 = 0...60,0 barg 26 = 0...90,0 barg 27 = external signal 0…5 V “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 38 3= Valve in fixed position Probe S4 alarm management: No action 1= No action 2= Forced valve closing 3= Valve in fixed position Unit of measure: 1= °C/K/barg; 2= °F/psig °C/K/barg “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 39 115 114 Alarm delay S1 131 258 Alarm delay S2 132 259 Alarm delay S3 133 260 Alarm delay S4 134 261 Enable S1 Enable S2 Enable S3 Enable S4 CONTROL “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 40 0 = Normal operation; 1 = Stop Programmable regulation configuration 32767 101 228 Programmable regulation input 32767 102 229 Programmable SH regulation options 32767 103 230 Programmable regulation set point -800(-1233) 800(1233) 112 111 “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 41 Synchronise position in closing Tab. 8.a * User level: A= Service (installer), C= manufacturer. ** Type of variable: A= Analogue; D= Digital; I= Integer CO= parameter settable from driver A or from driver B “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 42: Table Of Parameters, Driver B

    21= -1 to 12.8 barg 22= 0 to 20.7 barg 23= 1.86 to 43.0 barg 24= CAREL liquid level 25 = 0...60,0 barg 26 = 0...90,0 barg 27 = external signal 0…5 V “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 43 21= -1 to 12.8 barg 22= 0 to 20.7 barg 23= 1.86 to 43.0 barg 24= CAREL liquid level 25 = 0...60,0 barg 26 = 0...90,0 barg 27 = external signal 0…5 V “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 44 3= Valve in fixed position Probe S4 alarm management: No action 1= No action 2= Forced valve closing 3= Valve in fixed position Unit of measure: 1= °C/K/barg; 2= °F/psig °C/K/barg “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 45 °C (°F) 115 114 Alarm delay S1 131 258 Alarm delay S2 132 259 Alarm delay S3 133 260 Alarm delay S4 134 261 Enable S1 Enable S2 Enable S3 Enable S4 “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 46 Programmable regulation input 32767 102 229 Programmable SH regulation options 32767 103 230 Programmable regulation set point -800(-1233) 800(1233) 112 111 CUSTOMIZED REFRIGERANT Dew a high -288 -32768 32767 107 234 “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 47: Unit Of Measure

    This means that when changing the units of measure, control remains unaltered. Example 1 : The pressure read is 100 barg, this will be immediately converted to the corresponding value of 1450 psig. “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 48: Variables Accessible Via Serial Connection - Driver A

    Enable LAN mode on service serial port (RESERVED) Tab. 8.c (*) The displayed variable is to be divided by 100, and allows us to appreciate the hundredth of a bar (psig). “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 49: Variables Accessible Via Serial Connection - Driver B

    (psig). Type of variable: A= analogue; D= digital; I= integer SVP= variable address with CAREL protocol on 485 serial card. Modbus®: variable address with Modbus® protocol on 485 serial card. “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 50: Variables Used Based On The Type Of Control

    (*) The value of the variable is not displayed (**) Status of digital input: 0= open, 1= closed. Note: the readings of probes S1, S2, S3, S4 is always displayed, regardless of whether or not the probe is connected “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 51: Alarms

    & alarm delay” parameters ture) parameter Low suction Threshold and de- ALARM Depends on automatic No effect Check the threshold and delay temperature lay time exceeded flashing configuration parameters. parameter “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 52: Alarm Relay Configuration

    (Vdc). • Direct control: the relay is actuated by a variable accessible by serial; • Failed closing alarm relay (open with alarm); • Reverse failed closing alarm relay (closed with alarm). “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 53: Probe Alarms

    (control continues but the correct measurement of the variables relay. is not guaranteed); • forced closing of the valve (control stopped); • valve forced to the initial position (control stopped). “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 54: Eev Motor Alarm

    If the digital input opens, the driver will go to standby and control will be able to start again when the input closes. In this case, it will start with “current cooling capacity”= 100%. “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 55: Troubleshooting

    Increase the superheat set point and check that the swings are reduced or disappear. Initially set 13 °C, then gradually reduce the set point, making sure the system does not start swinging again and that the unit temperature reaches the control set point. “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 56 Check the connection of the digital input. Check that when the control signal is sent showcases only) does not start control and the valve that the input is closed correctly. Check that the driver is in stand-alone mode. remains closed Tab. 10.a “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 57: Technical Specifications

    Insulation class Software class and structure Conformity Electrical safety: EN 60730-1, EN 61010-1, UL873, VDE 0631-1 Electromagnetic compatibility: EN 61000-6-1, EN 61000-6-2, EN 61000-6-3, EN 61000-6-4; EN61000-3-2, EN55014-1, EN55014-2, EN61000-3-3. Tab. 11.a “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 58: Appendix 1: Vpm (Visual Parameter Manager)

    Then the user can choose to: directly access the list of parameters for the EVD evolution twin saved to EEPROM: select “tLAN”; This is done in real time (ONLINE mode), at the top right set the network address 198 and choose the guided recognition procedure for the USB communication port.

  • Page 59: Copying The Setup

    USB/tLAN converter, which is connected to the device being programmed (see paragraph 2.7 for the connection diagram). The firmware can be downloaded from http://ksa.carel.com. See the VPM On-line help. “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 60: Appendix 2: Evd Evolution Single

    13.3 Connection diagram - superheat control 1 = Disabled 2 = High condensing temperature protection on S3 EVD Evolution Twin works as a single valve driver (on driver A). 3 = Modulating thermostat on S4 CAREL E 4 = Backup probes on S3 and S4...

  • Page 61: Programming With The Display

    41 = R458A and autotuning. Tab. 13.c To be able to use this control function, only available for CAREL valve drivers, the driver must be connected to a CAREL pCO programmable controller Note running an application able to manage a unit with BLDC scroll compressor.

  • Page 62: Auxiliary Control

    S3 that Note measures the condensing pressure. For the modulating thermostat function this control function is only available CAREL valve drivers; no set point needs (only available with superheat control), an additional temperature probe to be configured by the user.
  • Page 63 The system will therefore remain in the best operating conditions (a little below the threshold) until the environmental conditions “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 64 Solenoid valve Liquid receiver Evaporator For the wiring, see paragraph “General connection diagram”. Filter-drier PA, PB Pressure probes Liquid gauge TA, TB Temperature probes For the wiring, see paragraph “General connection diagram” “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...

  • Page 65: Variables Used Based On The Type Of Control

    (“primary”, A). Vedere il manuale cod. +0300005IT. Parameter / Description Def. SPECIAL Refrigerant Alls refrigerants, not R744 Main regulation Subcooling regulation 1...10 Auxiliary refrigerant R744 Tab. 13.l “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 66 Note: “EVD Evolution TWIN” +0300006EN - rel. 2.6 - 31.01.2019...
  • Page 68 Agenzia / Agency: CAREL INDUSTRIES HQs 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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