Emerson XEV22D Installation And Operational Manual
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Emerson XEV22D Installation And Operational Manual

Emerson XEV22D Installation And Operational Manual

Driver for stepper electronic expansion valves release 1.5
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XEV22D Driver for Stepper Electronic
Expansion Valves Release 1.5
Installation and Operational Manual
026-1206 Rev 8

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Summary of Contents for Emerson XEV22D

  • Page 1 XEV22D Driver for Stepper Electronic Expansion Valves Release 1.5 Installation and Operational Manual 026-1206 Rev 8...
  • Page 3 Emerson Commercial & Residential Solutions 1065 Big Shanty Road NW, Suite 100 Kennesaw, GA USA 30144 770-425-2724 • www.emerson.com ColdChain.TechnicalServices@Emerson.com Solutions.CustomerSerivce@Emerson.com...

  • Page 5: Table Of Contents

    Contents 1 GENERAL WARNING..............................1 2 GENERAL DESCRIPTION ............................1 2.1. O ................................1 RDERING 3 PROBES RELATED TO THE XEV22D........................2 3.1. P ............................. 2 RESSURE RANSDUCERS 3.2. P ........................2 OUNTING EMPERATURE ROBE 4 CONNECTIONS ................................3 4.1. W ..............................
  • Page 6 ................................35 IRING YPES 16.5. MODBUS T ........................... 35 ERMINATION LOCKS 17 STANDARD VALUES .............................. 36 APPENDIX A - ALTERNATE MODBUS COM WIRING METHOD FOR E2, XR, XM, AND XEV DEVICES 39 vi • XEV22D I&O Manual 026-1206 Rev 8...

  • Page 8: General Warning

    General Description Please read the following safety precautions and warnings before using this manual: The XEV22D controller is capable of driving a wide variety of stepper electronic expansion valves. CAUTION! XEV22D regulates the superheat (SH) of the fluid • This manual is part of the product and...

  • Page 9: Probes Related To The Xev22D

    Probes Related to the XEV22D 3.1. Pressure Transducers Name Cable Length Range Dixell Code PP07 2.0 meters -0.5 to 7bar BE009302 00 PP11 2.0 meters -0.5 to 11bar BE009302 07 PP30 2.0 meters 0 to 30bar BE009302 04 Table 3-1 - Pressure Transducer Probes 3.2.

  • Page 10: Connections

    4.1. Wiring Connections The superheat regulation is performed only when the cooling digital input is enabled. Figure 4-1 shows how the device takes the request of cooling: Figure 4-1 - How XEV22D Acts on Cooling Request Wiring Connections Connections • 3...
  • Page 11 See Figure 4-2 for wiring. The “First Level” indicates the connections on the floor of the 4-DIN module and “Second Level” indicates the connections on the first floor that are only for the stepper motor of the valve and for the Hot Key. Figure 4-2 - XEV22D Wiring Connections 4 • XEV22D I&O Manual 026-1206 Rev 8...
  • Page 12 Figure 4-3 - XEV22D Release 1.5 Wiring Connections Wiring Connections Connections • 5...

  • Page 13: Wiring Guidelines

    Figure 4-4 - Temperature Probe Placement 4.4. Probe Connection 4.4.1. General Warnings • Pressure probe (4-20mA or ratiometric) - If using terminal ends, there should have no 6 • XEV22D I&O Manual 026-1206 Rev 8...
  • Page 14 PP07 PP11, PP30, 4 to 20mA pressure transducers: Set parameter tPP = 420. Connect: Brown wire (+) to terminal 19; White wire (-) to terminal 20 PPR15 PPR30 Ratiometric transducers (0.5 to 4.5Vdc) Set parameter tPP = 5U Connect: Brown wire (+) to terminal 18; White wire (in) to terminal 20;...

  • Page 15: Configurable Digital Input Connection

    Table 4-4 below: 4.7.1. Before Connecting the Valve CAUTION! • Always connect or disconnect the valve when the controller is not powered. • Configure the valve on the XEV22D before con- necting the valve. 8 • XEV22D I&O Manual 026-1206 Rev 8...

  • Page 16: Manual Setting Of Valve

    Liability Limitation - All the pre-sets have been done according to the documentation available when b. Then set the following parameters according to the XEV22D has been released, see below reference: the valve manual: LSt, USt, Sr, CPP, and CHd. •...
  • Page 17 16 AWG or 14 AWG shielded cable with the the valve and the XEV22D controller must not exceed shield terminated to an earth grounded chassis. For 30 feet (10 meters).

  • Page 18: Use Of Extra Step During Closing Phase (Est Parameter)

    9. If step 8 reading was less than 0.3A, power down the XEV22D and move the meter red lead from the Use of Extra Step During Closing Phase (ESt Parameter) Connections • 11...

  • Page 19: Ex3 Solenoid Valve Connection

    Pin 3. Not Used Pin 4. Ground 4.10.2.VAC Coil Direct Connection Figure 4-7 shows the direct connection of the VAC coil to the main power supply. Figure 4-8 - Transformer Connection (24VAC Coil) 12 • XEV22D I&O Manual 026-1206 Rev 8...

  • Page 20: Absolute Maximum Power

    Terminal 4 (12 VDC) Terminal 30 (gnd) Terminal 3 (gnd) The XEV22D controller is capable of driving a wide range of stepper valves; listed in Table 4-7 are Table 4-8 - XEC Supercap Wiring the maximum values of current that the actuator can supply to the stepper wiring.

  • Page 21: Mounting And Powering

    Mounting and In some instances, an installer may be required to mount the XEV22D. There are no restrictions on the Powering location of the XEV22D; however, the controller should be mounted in a location protected from moisture. Typically, mounting inside the electrical control panel of a package unit is acceptable.

  • Page 22: Xev22D Power Wiring

    738 / 50VA = 14 feet max 18 AWG 5.2.2. XEV22D Power Wiring Sensors requiring 24VAC should not be powered The XEV22D can be powered by one of the 50VA from the same transformer powering the input board. non-center-tapped transformers listed in Table 5-2.

  • Page 23: Wiring Connection To Site Supervisor

    5.3. Wiring Connection to Site Supervisor Figure 5-2 - Site Supervisor Wiring 16 • XEV22D I&O Manual 026-1206 Rev 8...

  • Page 24: Front Panel

    Key Combinations To lock and unlock the keyboard. To enter programming mode. Table 6-1- XEV22D Front Panel Keys and Functions Figure 6-1 - XEV22D Front Panel Figure 6-2 - XEV22D Release 1.5Front Panel Keys and Functions...

  • Page 25: Xev22D Leds

    Low pressure alarm Maximum operating pressure alarm Valve is completely closed BLINKING Valve is moving Valve is completely opened Serial communication BLINKING present Serial communication absent Superheat alarm Table 6-2 - XEV22D LEDs 18 • XEV22D I&O Manual 026-1206 Rev 8...

  • Page 26: User Interface

    User Interface 7.4. To Enter Pr1 Parameters List To enter in Pr1 level menu: 7.1. Fast Access Menu (During Regulation) 1. Press and release the UP arrow key. 2. The variables available in the Fast Access menu are: a. CLP - Cooling demand percentage b.

  • Page 27: T Omodify The Parameters Value

    4. Use the arrow keys to set the 321 password. Press SET to save. NOTE: If a time-out occurs while setting the password (PR2 flashes), press SET to resume entering the password. 20 • XEV22D I&O Manual 026-1206 Rev 8...

  • Page 28: Parameters

    Predefined valve selection (0 to 14) Liability Limitation - All the pre-sets listed on Table 8-3 have been done according to the documentation available when the XEV22D has been released. See below reference: • Danfoss • DKRCC.PD.VD1.C6.02 / 520H8021 @ Danfoss A/S (AC-MCI / sw), 2014-07 •...
  • Page 29 Maximum opening percentage (0 to 100%) at normal functioning During regulation, it sets the maximum valve opening percentage. Table 8-1 - List of Parameters 22 • XEV22D I&O Manual 026-1206 Rev 8...
  • Page 30 Code Description Function Forced opening percentage (0 to 100 - not used; nU) If FOP = not used; nU, valve works with regulation algorithm. If FOP is different from not used; nU, the valve stays at FOP opening percentage. This function could be useful during plant starting or during service operations.
  • Page 31 Maximum superheat alarm (LSH to 32.0°C/ LSH to 176°F) When the superheat exceeds this value, a high superheat alarm is signaled after interval SHd. Table 8-1 - List of Parameters 24 • XEV22D I&O Manual 026-1206 Rev 8...
  • Page 32 Code Description Function Lowest superheat alarm (0.0 to MSH°C/ 32 to MSH°F) When the superheat goes down to this value, a low superheat alarm is signaled after interval SHd. Superheat alarm hysteresis (0.0 to 25.5°C/ 1 to 77°F) Hysteresis for superheat alarm deactivation. Superheat alarm activation (0 to 255 sec) delay...
  • Page 33 -58 to 120°F/-50 to 60°C r450A -69 to 120°F/-45 to 60°C r513 -69 to 120°F/-45 to 60°C r448A -69 to 120°F/-45 to 60°C r449A -69 to 120°F/-45 to 60°C Table 8-2 - List of Refrigerant Gases 26 • XEV22D I&O Manual 026-1206 Rev 8...
  • Page 34 Sporlan SEI 30 Sporlan SER(I) G,J,K Sporlan SEI 50 Sporlan SEH(I) 100 Sporlan SEH(I) 175 Emerson EX4-EX5- Emerson EX7 Emerson EX8 500 Emerson EX3 Table 8-3 - List of Pre-defined Valves How to Assign a MODBUS Address Parameters • 27...

  • Page 35: Digital Inputs

    Digital Inputs 12 How to Use the Hot Key The XEV22D comes with two (2) digital inputs: a voltage-free input and a high voltage input; both can be configured as cooling call. In this way the cooling signal can come from the controllers with direct load 12.1.

  • Page 36: Display Messages

    NOTE: The Err message is displayed in case 13.1. Alarm Recovery an error or failure in programming occurs. In this case, turn the unit OFF and then ON if Probe alarms P1 and P2 start a few seconds after you want to restart the download or remove the Hot Key to abort the operation.

  • Page 37: Technical Data

    Software Class Temperature Operating: 0 to 60°C Storage: -25 to 60°C Relative 20 to 85% (non-condensing) Humidity Resolution 0.1°C or 1°F Temperature Probe Accuracy ±0.7°C ±1 digit Table 14-1 - XEV22D Specifications 30 • XEV22D I&O Manual 026-1206 Rev 8...

  • Page 38: E2 Modbus Network Wiring

    • Do not connect the shield of the MODBUS network to the E2 PIB center terminal. Instead, use a 100 ohm 1/2 watt resistor to connect the MODBUS cable shield to earth ground. • At each XEV22D device, wire the MODBUS cable to the RS485 +/- terminals and connect the MODBUS shield to the pin 16 terminal.

  • Page 39: Ect Modbus Networking To E2S

    RS485 cable from E2 to the device. Figure 16-1 - Location of E2 COM Ports (E2 Versions 3.xx and Below) Connecting an XEV22D controller to an E2 requires the E2 to be version 2.84 or above. Contact Retail Solutions for upgrade information if the controller is a version before 2.84.

  • Page 40: Com Port Associations - E2 Versions 4.2 And Above

    3. Press to open the Serial tab of the General 16.2. COM Port Associations Controller Info setup screens: - E2 Versions 4.2 and Above Figure 16-4 - Serial Communications Manager Screen 4. This screen will have a “Connection” field for all COM ports on the E2.
  • Page 41 . In the list of MODBUS devices, choose the address number corresponding to the address set up 34 • XEV22D I&O Manual 026-1206 Rev 8...

  • Page 42: Wiring Types

    16.5. MODBUS Termination Blocks Because the XEV22D device has no on-board means of termination, use the MODBUS termination block (P/N 535-2711) for termination that can be wired to the end of the cable segment using the three- pin connector.

  • Page 43: Standard Values

    Derivative time 0 to 255 sec PROBE PARAMETERS Type of pressure transducer 420 - 5V- LAn Enable pressure probe sending in LAN n to Y XEV22D Standard Parameter Values Table 17-1 - 36 • XEV22D I&O Manual 026-1206 Rev 8...
  • Page 44 Temperature measurement units °C - °F °F Pressure measurement unit bAr – PSI Resolution (only °C) dE – in Type of pressure (absolute/ relative) rEL – AbS XEV22D Standard Parameter Values Table 17-1 - MODBUS Termination Blocks Standard Values • 37...
  • Page 45 Read only Main voltage digital input state Read only Serial address 1 to 247 MODBUS type StD – AdU Parameters map Release software Second level menu XEV22D Standard Parameter Values Table 17-1 - 38 • XEV22D I&O Manual 026-1206 Rev 8...

  • Page 46: Appendix A - Alternate Modbus Com Wiring Method For E2, Xr, Xm, And Xev Devices

    RS485-1B. For information on the maximum recommended number of XR, XM, and XEV devices for each network segment (load and bandwidth calculations), contact Emerson Retail Solutions Technical Support at 770-425- 2724. MODBUS Termination BlocksAppendix A - Alternate MODBUS COM Wiring Method for E2, XR, XM, and XEV Devic-...
  • Page 47 Figure A -1 - MODBUS Com Wiring Diagram 40 • XEV22D I&O Manual 026-1206 Rev 8...
  • Page 48 MODBUS Termination BlocksAppendix A - Alternate MODBUS COM Wiring Method for E2, XR, XM, and XEV Devic- es • 41...
  • Page 51 Emerson Climate Technologies Retail Solutions, Inc. and/or its affiliates (collectively “Emerson”), reserves the right to modify the designs or specifications of such products at any time without notice. Emerson does not assume responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use and maintenance of any product remains solely with the purchaser and end-user.

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