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OWNER'S MANUAL
CW-H 2020 PLC WALL CONTROLLER
ILL2468-A
(English)
Original English Instructions

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Summary of Contents for Seeley CW-H 2020 PLC

  • Page 1 OWNER’S MANUAL CW-H 2020 PLC WALL CONTROLLER ILL2468-A (English) Original English Instructions...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS CW-H PLC WALL CONTROL Models: All CW-H Kit Contents Specifications QUICK START 24Vdc Power And RS 485 Modbus Communications Wiring RS 485 Modbus Cooler Node Address RS 485 Modbus Network Setup - First Time Use PHYSICAL DESCRIPTION & MOUNTING Wall Control Dimensions And Setup Notes Wall Control Installation Instructions CONNECTING Communication Cable Specification Wiring Requirements Power Terminating Resistor OPERATION SCREENS...
  • Page 4: Cw-H Plc Wall Control

    CW-H PLC WALL CONTROL MODELS: ALL CW-H These instructions are to be read in conjunction with the Installation and Operation and Maintenance guide supplied with the cooler. ITEM 1 ITEM 2 KIT CONTENTS ITEM IMAGE ITEM IMAGE Climate Wizard Isolating Screw Wall Controller MODBUS 120Ω Instructions Terminating Resistor SPECIFICATIONS General Power supply 24 Vdc +/-10 % Power consumption 3.2 VA 1.3 W max Degree of Protection IP20 Mounting Vertical Wall, Flush Ambient operating Temperature 0 to 50 C (32 to 122 Ambient operating humidity (non-condensing) 0 to 75% Ambient storage temperature...
  • Page 5: Quick Start

    QUICK START 24Vdc POWER AND RS 485 MODBUS COMMUNICATIONS WIRING WALL CONTROLLER RS 485 + RS 485 - ILL3630-B CW-H 120 OHM MODBUS TERMINATING RESISTER COOLER TO BE FITTED TO LAST COOLER ONLY ILL3630-B TO ROOM SENSOR TO NEXT COOLER (OPTIONAL KIT) RS 485 + SENSOR U1...
  • Page 6: Rs 485 Modbus Cooler Node Address

    QUICK START RS 485 MODBUS COOLER NODE ADDRESS Screen Layout DATE TIME DATE TIME ON OFF ON - OFF COOL MODE COOL MODE VENT MODE VENT MODE INTERNAL INTERNAL TEMPERATURE / TEMPERATURE / HUMIDITY HUMIDITY PROGRAM MODE PROGRAM MODE SETTINGS SETTINGS ILL3632-B RS 485 MODBUS NETWORK SETUP - FIRST TIME USE...
  • Page 7: Physical Description & Mounting

    PHYSICAL DESCRIPTION & MOUNTING WALL CONTROL DIMENSIONS AND SETUP NOTES ILL3672-A Number Description Colour touchscreen Power supply connector RS 485 Modbus connector ILL3672-A Holes for temperature and humidity measurement The Climate Wizard Wall Controller should be placed indoors, approximately 1.5 metres (5’) above the floor, in the same zone in which cooling is required. Placement is critical for correct functioning of the temperature and humidity sensors inside the Controller. The following points must be taken into consideration: • Avoid direct sunlight exposure. • Avoid mounting on external walls. • Avoid mounting the wall control near heat sources such as stoves and televisions. • Do not locate in the direct airflow of the duct outlets. • Do not locate in strong drafts or in dead spots such as cupboards/drawers. • Always seal the wall cable entry hole. • Avoid blocking or restricting the vent holes located on the underside of the Controller, as this is where the sensors are located. Important! Drafts within the wall cavity can impact the temperature and humidity reading of the wall control. We recommend that the cable access hole be sealed, but in such a way that the cable can still retreat into the wall cavity.
  • Page 8: Wall Control Installation Instructions

    PHYSICAL DESCRIPTION & MOUNTING WALL CONTROL INSTALLATION INSTRUCTIONS ILL3670-A Step Action Open unit by pulling on bottom side of the display (1) Ensure correct side of base faces up Pull cables 150 mm (5.90 in.) out from wall Align base and mark location of two mounting holes on wall or panel (2) ILL3670-A CAUTION! Always make sure there are no electrical cables, gas or water pipes, or the like, behind where you intend to drill. Install anchors (NOT INCLUDED) in wall (3) Insert cable in central hole of base Place rear cover on the wall and align it with mounting holes (4) Insert screws (NOT INCLUDED) in mounting holes on each side of base (5) Insert POWER and CONTROL wiring according to wiring chart ILL3671-A Gently push excess wiring back into hole Gently align cover to top of base and snap in place from bottom (6) Install the isolated screw connection for securing the plastic housing (7) 859731-D...
  • Page 9: Connecting

    CONNECTING COMMUNICATION CABLE SPECIFICATION • Suitable for RS 485 applications • Minimum 1 twisted pair (TP) and a third conductor • Copper Conductors • 0.5 mm / AWG 20 • Braided Shield with Drain Wire • Characteristic impedance 120Ω • Nominal capacity between conductors 89 pF/m • Nominal capacity between conductors and shielding 161 pF/m Use the twisted pair for the ‘+’ and ‘-‘ signal terminals. Use the 3rd conductor for the GND terminals. Attach the braided shield / drain wire to an EARTH point at one end only. ILL3705-A WIRING REQUIREMENTS • Communication wiring must be kept separate from AC power wiring. • Always route communication cables at least 300mm (12”) away from high voltage cables and high-power machines. • Crossover high power cables at right angles. • Maximum cable length to first CW-H cooler is 100m. • Maximum cable length between each CW-H is 100m. Note: Non-shielded cables are not protected against electromagnet interference which can cause signal degradation. Attach the 120Ω...
  • Page 10: Power

    CONNECTING POWER Characteristic Specification Power supply 24 Vdc +/-10 % Power consumption 3.2 VA 1.3 W max Fuse Recommendation (not included) Type T 500mA The Climate Wizard Wall Controller can be powered via either a CW-H cooler on the network or a dedicated power supply Note: Should the CW-H cooler used for providing power be turned off the Wall Controller will be un- able to control the remaining coolers on the network. Use proper wire sizes to meet voltage and current requirements and copper conductors. If using a dedicated power supply, it must be rated Safety Extra Low Voltage (SELV) according to IEC 61140. These sources of power are isolated between the electrical input and output circuits of the power supply as well as simple separation from ground (earth), PELV, and other SELV systems. CW-H COOLER TO WALL CONTROLLER ILL3639-B WALL CONTROLLER ILL3639-B +24Vdc 0Vdc ILL3637-A ILL3637-A 859731-D...
  • Page 11: Terminating Resistor

    CONNECTING TERMINATING RESISTOR Attach the 120Ω resistor (supplied with Wall Controller) between the “+” and “-” terminals of the Wall Control WALL CONTROLLER ILL3638-B ILL3638-B Attach the 120Ω resistor (supplied with CW-H cooler) between the “+” and “-” terminals of the LAST CW-H cooler on the RS 485 Modbus network. 120 OHM MODBUS TERMINATING RESISTER CW-H TO BE FITTED TO LAST COOLER ONLY COOLER TO ROOM SENSOR TO NEXT COOLER (OPTIONAL KIT) RS 485 + SENSOR U1 RS 485 - SENSOR U2 RS 485 GND SENSOR G0...
  • Page 12: Operation Screens

    OPERATION SCREENS MAIN MENU DATE TIME DATE TIME ON OFF ON - OFF COOL MODE COOL MODE VENT MODE VENT MODE INTERNAL INTERNAL TEMPERATURE / TEMPERATURE / HUMIDITY HUMIDITY PROGRAM MODE PROGRAM MODE SETTINGS SETTINGS ILL3632-B ILL3632-A 859731-D...
  • Page 13: Cool Mode (Manual Speed Control)

    OPERATION SCREENS COOL MODE (MANUAL SPEED CONTROL) Use COOL mode with manual speed control to keep the connected cooler(s) running at a constant fan speed. ON OFF COOL MODE (MANUAL CONTROL) FAN SPEED INCREASE / DECREASE INDIRECT COOLING * DIRECT COOLING STAGE ON / OFF STAGE ON / OFF ILL3642-B To enable COOL mode with manual speed control, • Press the ON-OFF button. • Press the COOL mode button once. • Press the INDIRECT and/or DIRECT* buttons as required to enable the respective cooling stages.
  • Page 14: Cool Mode (Automatic Speed Control)

    OPERATION SCREENS COOL MODE (AUTOMATIC SPEED CONTROL) Use COOL mode with automatic speed control to maintain space temperature and relative humidity* by automatically varying the connected cooler(s) fan speed. ON OFF COOL MODE (AUTO CONTROL) * RELATIVE HUMIDITY INCREASE / DECREASE INTERNAL TEMPERATURE INCREASE / DECREASE (ONLY SHOWS IF SUPERCOOL ENABLED - SEE CONFIGURATION) ILL3643-B ILL3643-B To enable COOL mode with automatic speed control, • Press the ON-OFF button. • Press the COOL mode button twice.
  • Page 15: Vent Mode

    OPERATION SCREENS VENT MODE Use VENT mode with manual speed control to keep connected cooler(s) running at a constant speed with no cooling stage enabled. ON OFF VENT MODE FAN SPEED INCREASE / DECREASE ILL3644-C ILL3644-C To enable VENT mode with manual speed control, • Press the ON-OFF button. • Press the VENT mode button. • Press the FAN SPEED UP DOWN arrow buttons to set fan speed. CW-H COOLER PLC OWNER’S MANUAL 859731-D |...
  • Page 16: Program Mode

    OPERATION SCREENS PROGRAM MODE Use PROGRAM mode to maintain space temperature and relative humidity* on a “set and forget” seven-day program. PROGRAM mode divides each day into four time periods with the user able to set when each of these periods starts, ends and the required set-points via the SETTINGS menu. When PROGRAM mode is enabled, the wall controller will check the current day, time, temperature and relative humidity setpoints against the real time/current values and run the connected cooler(s) as required. ON - OFF ON OFF EDIT BUTTON EDIT BUTTON PROGRAM MODE PROGRAM MODE READ ONLY READ ONLY DETAILS DETAILS ILL3645-C To enable PROGRAM mode, • Press the ON-OFF button. • Press the PROGRAM mode button. ILL3645-C The controller will display the current time period. *Note: Relative humidity set point buttons are only available if CW-H Supercool cooler(s) are detected during Network Setup.
  • Page 17: Edit The 7-Day Program

    OPERATION SCREENS EDIT THE 7-DAY PROGRAM To edit the 7-day program, press the EDIT button.. PRESS TO CYCLE THROUGH ALL DAYS SET PERIOD STATUS AND * SET PERIOD TEMPERATURE AND START TIME HUMIDITY SET POINTS SAVE PROGRAM TO ALL DAYS SAVE PROGRAM TO DAY SELECTED AT THE TOP OF SCREEN ILL3653-C Each day is divided into four time periods with the user able to set when each of these periods...
  • Page 18: Setting Screens

    SETTING SCREENS SCREEN DISPLAY SETTINGS ILL3646-B ILL3646-B WALL CONTROLLER WALL CONTROLLER SOFTWARE VERSION SOFTWARE VERSION SETUP TIME AND DATE SETUP TIME AND DATE SETUP LANGUAGE SETUP LANGUAGE CONFIGURE COOLER SETTINGS ENABLE/DISABLE CONFIGURE COOLER SETTINGS ENABLE/DISABLE SECURITY LOCK SECURITY LOCK VIEW CONNECTED DEVICES VIEW CONNECTED DEVICES ILL3647-D 859731-D...
  • Page 19: Time And Date

    SETTING SCREENS TIME AND DATE ILL3648-A To adjust the time and date, press each component and type in the correct value using the on- ILL3648-A screen keyboard. When finished, press SAVE. These values are used in the PROGRAM mode and for time stamping fault codes LANGUAGE ILL3827-A To change the Wall Controller Language press the Change Langauge box and select from ENGLIGH (default), SPANISH, ITALIAN and FRENCH. Note: The Wall Controller will automatically restart if the language is changed. CW-H COOLER PLC OWNER’S MANUAL 859731-D | ILL3827-A...
  • Page 20: Security Lock

    SETTING SCREENS SECURITY LOCK ILL3828-A First Time Use. Upon enabling Security Lock for the first time, the user is required to set a 4 digit user passcode. If enabled, the Security Lock screen will appear 60 seconds after the screen has been idle. Enter the user passcode to remove the Security Lock screen and make changes to the Wall Controller operating mode. Press the back button to view the Wall Controller operating mode. No changes are allowed. ILL3828-A Press the Service Button to enter the Seeley Service 7378 passcode. Full access is granted. If the user passcode is entered incorrectly 5 times the Reset 5331 passcode is required. CONFIGURATION NETWORK NETWORK AMBIENT AMBIENT SENSORS SENSORS AUTO ONFIGURE COOLER AUTO ROOM ROOM SENSORS CONFIGURE RE-START SETTINGS RESTART SENSORS COOLER SETTINGS ILL3829-A Use the CONFIGUATION screen to set-up all CW-H coolers connected to the Wall Controller. ILL3829-A...
  • Page 21: Network

    SETTING SCREENS NETWORK Press the NETWORK button to setup the RS 485 Modbus network. IMPORTANT - This Climate Wizard Wall Controller can control up to 15 CW-H coolers. Ensure each cooler is powered up, has a unique node address set, and a 120Ω Modbus terminating resistor is fitted to the Wall Controller and the LAST Cooler in the network. Refer to installation literature provided with the cooler for setup instructions. Nodes 1 to 7 are shown on Page 1, Nodes 8 to 15 are shown on Page 2. • Green square = Cooler detected at node. Type of cooler will be displayed. • Empty square = No cooler detected at node. DEVICE NOT DETECTED displayed. • Press SAVE to commit detected coolers to Wall Control memory. Unused nodes will be removed from the list. If changes to the RS 485 Modbus network are required (e.g. adding or removing a cooler), press MODIFY to re-scan all nodes. Press SAVE to commit the new network to memory. ILL3830-A If changes to the RS 485 Modbus network are required If changes to the RS 485 Modbus network are required (e.g. adding or removing a cooler), press MODIFY to ILL3830-A (e.g. adding or removing a cooler), press MODIFY to re- re-scan all nodes.
  • Page 22: Auto-Restart

    SETTING SCREENS AUTO-RESTART ON: After a power failure, all connected CW-H coolers will resume running in the last selected operating mode. OFF: After a power failure, all connected CW-H will remain off. To resume running, a user is required to select an operating mode. ROOM SENSOR CW-H coolers can be used with additional room/internal temperature and relative humidity sensors, each sold and supplied separately. Use the Room Sensor screen to enable additional sensors for use in AUTOMATIC COOL and PROGRAM modes. Refer to literature provided with the sensor for installation and setup instructions. AMBIENT SENSOR CW-H coolers can be used with additional ambient/external temperature and relative humidity sensors, each sold and supplied separately. Use the Ambient Sensor screen to enable additional sensors for use with AMBIENT CONDITIONING MONITORING modes. Refer to literature provided with the sensor for installation and setup instructions. 859731-D...
  • Page 23: Device

    SETTING SCREENS DEVICE DEVICE NUMBER DEVICE TYPE CW-H DEVICE INFORMATION DEVICE INFORMATION PRESS PRESS TO CYCLE TO CYCLE DEVICE NUMBER THROUGH ALL DEVICE NUMBER THROUGH DEVICES ALL DEVICES DEVICE TYPE DEVICE TYPE DEVICE DEVICE MESSAGE MESSAGE CW-H15S PLUS ILL3650-B ILL3650-B Use the DEVICE screen to access information about individual coolers installed on RS 485 Modbus network. Press the LEFT and RIGHT buttons to access each node address.
  • Page 24: Monitor

    SETTING SCREENS MONITOR ILL3651-B ILL3651-B The monitor screen displays the status of each of the important components of the cooler. FAULT HISTORY VIEW UP TO 3 PAGES OF HISTORY RETURN TO DEVICE SCREEN CLEAR FAULT HISTORY ILL3652-B Use the FAULT HISTORY screen to view a log of faults associated with the cooler at the node selected on the previous screen. ILL3652-B Each fault is time stamped based on the settings from the TIME AND DATE screen. Press NEXT to cycle through 3 pages of fault history. Press CLEAR to remove all historical faults. 859731-D...
  • Page 25: Fault Screen Display

    SETTING SCREENS FAULT SCREEN DISPLAY Should a connected cooler detect a fault the following pop-up screen will appear on the Wall Controller. ILL3653-B Press IGNORE to remove the pop-up screen. The fault will remain active in the background and the fault code will be added to the FAULT HISTORY screen of the individual cooler. Press RESET to remove the pop-up screen and restart the effected cooler. The fault code will be added to the FAULT HISTORY screen of the individual cooler. If the fault re-occurs the pop-up screen will re-appear. CW-H COOLER PLC OWNER’S MANUAL 859731-D |...
  • Page 26: Bms Lock

    SETTING SCREENS BMS LOCK ILL3832-A ILL3832-A Use the BMS IEC or DEC input terminals on any connected device to remotely shutdown all connected coolers and lock the Wall Controller. When applied, no device control is possible and connected devices will display "REMOTE SHUTDOWN". • Remove the input signal to resume running in the last known Wall Controller operating mode. • Refer to Appendix for example wiring schematic. Note: Connected devices must have software 90R0821 or later installed. 859731-D...
  • Page 27: Cooler Faults And Troubleshooting

    COOLER FAULTS AND TROUBLESHOOTING TROUBLESHOOTING TABLE All faults below shut the individual cooler down unless stated. Other coolers on the same RS 485 Modbus network will continue to run Wall Fault Description Suggested Remedy Control Fault Code Fault Code 1 PLC – PCBA COMMUNICATION Check LED status on PCBA. (Refer to CW-H FAILURE Manual for further details) Cooler PLC has lost communication with Check communication wiring between PLC and PCBA fitted inside control box. PCBA Replace PCBA Fault Code 2 FAILURE TO DETECT WATER AT LOW Check water supply on.
  • Page 28: Other Potential Problems

    COOLER FAULTS AND TROUBLESHOOTING OTHER POTENTIAL PROBLEMS Problem Suggested Remedy Cannot find cooler(s) on Ensure cooler is powered up. Ensure cooler control is set to WC (Wall RS 485 Modbus network Controller). Ensure cooler has a unique node address set. Refer to installation literature provided with the cooler for setup instructions" Check SETTTINGS – CONFIGURATION - NETWORK to review installed coolers. Press MODIFIY to re-scan all nodes. If “DEVICE NOT DETECTED” is displayed, check RS 485 cabling between wall control and cooler. Check 120Ω Modbus terminating resistor is fitted to the Wall Controller and the last Cooler in the network. When the Modbus network is connected correctly a measurement of 60Ω should present at any point in the network. Cooler(s) not running The Wall Controller is not in COOL mode with either INDIRECT or DIRECT cooling stages selected. The set temperature has been achieved and the coolers are in standby. The Controller is in PROGRAM mode and the current time period specifies the cooler is “OFF”. Review the schedule via the SETTINGS - PROGRAM screen. Check SETTINGS – DEVICE – FAULT HISTORY. Check and rectify Faults Temperature and/or Avoid blocking or restricting the vent holes located on the underside of the Relatively Humidity Controller, as this is where the sensors are located. values are not steady/ Check for damage to circuit board on back of controller. constantly changing Water, debris, insects can access through unsealed wall cable entry holes.
  • Page 29: Example Wiring Schematic

    APPENDIX - EXAMPLE WIRING SCHEMATIC CW-H COOLER PLC OWNER’S MANUAL 859731-D |...
  • Page 30 859731-D...
  • Page 32 Service For Australia contact 1-300-650-644 For outside Australia contact your local dealer seeleyinternational.com MANUFACTURED BY: SEELEY INTERNATIONAL PTY LTD 112 O’SULLIVAN BEACH RD, LONSDALE SA, 5160. AUSTRALIA IMPORTED BY: SEELEY INTERNATIONAL (EUROPE) LTD Unit 11 Byron Business Centre Duke Street, Hucknall Nottingham, NG15 7HP United Kingdom SEELEY INTERNATIONAL (AMERICAS) LTD...

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