CIAT FLOWAY ACCESS Control Manual
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CIAT FLOWAY ACCESS Control Manual

CIAT FLOWAY ACCESS Control Manual

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EN7546666-04
01 - 2021
Control manual

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Summary of Contents for CIAT FLOWAY ACCESS

  • Page 1 EN7546666-04 01 - 2021 Control manual...
  • Page 2 FLOWAY ACCESS EN-2...

  • Page 3: Table Of Contents

    9.4 - Faults level ..................................56 9.5 - Communication parameters .............................. 57 9.6 - Calibration ..................................57 9.7 - Input/Output directions ..............................58 9.8 - Motors ....................................58 9.9 - Energy meter ..................................59 The illustrations in this document are for illustrative purposes only and not part of any offer for sale or contract. The manufacturer reserves the right to change the design  at any time without notice. EN-3 FLOWAY ACCESS...

  • Page 4: Foreword

    The connection with the pLAN network allows the program to use a terminal near the unit and/or a wall-mounted terminal installed in the room to be air conditioned. IMPORTANT: To prevent any problems, the password must be known only by qualified personnel. FLOWAY ACCESS EN-4...

  • Page 5: The Control Plc

    Air intake fan differential pressure sensor (controller software version >= V09) 0 - 5V otherwise: not used Extraction fan differential pressure sensor (controller software version >= V09) 0 - 5V otherwise: not used +Vdc Not used +5VR Not used Shared EN-5 FLOWAY ACCESS...
  • Page 6 Shared Out4 ON/OFF Electric heater stage 1 control Shared Out5 ON/OFF Electric heater stage 2 control Shared Shared V-IN +24 Vac power supply AHU operating feedback Shared DX unit run/shutdown control Shared DX unit heating/cooling control Shared FLOWAY ACCESS EN-6...

  • Page 7: Terminal

    The unit is in the process of stopping but the ventilation remains active to cool the electric heaters or the gas burner Free cooling Free cooling is in progress Outdoor temperature limit The outdoor temperature is too low for the unit to operate. DX unit defrosting The DX unit is defrosting. EN-7 FLOWAY ACCESS...
  • Page 8 Machine parameters (P01 to P99) 14 / Direction of the inputs/outputs (P850 to P899) 21 / Test mode (P3500 to P3599) Setting parameters (P100 to P299) 22 / Measured values 2.3.3 - Keys The 6 keys on the interface are used to change the parameters, acknowledge faults, and switch the unit on or off. The operation  of these keys is described below. FLOWAY ACCESS EN-8...

  • Page 9: Touchscreen Terminal

    The unit is operational with the setpoints 2 Night cooling Night cooling mode is active Frost protection The unit is stopped but is providing frost protection Manual mode Test mode is active Fire protection Fire protection is active EN-9 FLOWAY ACCESS...
  • Page 10 Pas de défaut actif. Présence d’un défaut (Dans ce cas la barre de LED est éclairée, en rouge si défaut danger, en jaune si défaut maintenance). Lien vers la liste des défauts actifs. 2.4.3 - Menus Main menu FLOWAY ACCESS EN-10...
  • Page 11 Neutral zone limitation and compensation Changeover Frost protection I/O direction Input/output management Calibration Time del. / selections Time delays EC fans Emulation PGD Fault memory full Machine parameters Parameters back-up Service Test mode Reset time meters EC fan addressing EN-11 FLOWAY ACCESS...
  • Page 12 Duct pressure Intake flow Press on each component to access the corresponding reading parameters. A ring positioned beside each component indicates its status: - Grey: : inactive - Green: in operation - Orange: maintenance fault - Red: danger fault FLOWAY ACCESS EN-12...
  • Page 13 : : zoom in on the vertical axis : zoom out on the vertical axis : zoom reset : change horizontal axis duration : save values as CSV on a USB stick EN-13 FLOWAY ACCESS...

  • Page 14: Features

    It will open upon the unit start-up request, then after a certain time lag, the unit will switch to "Run" mode and the damper is kept open until the unit is shut down or a "danger" fault appears Isolation damper Damper opening time delay FLOWAY ACCESS EN-14...

  • Page 15: Managing The Filters

    Temperature setpoint 1 in heating mode Temperature setpoint 2 in heating mode Temperature control PID proportional band (P) in heating mode Temperature control PID integral time (I) in heating mode Temperature control PID derivative time (D) in heating mode EN-15 FLOWAY ACCESS...
  • Page 16 The temperature upper and lower thresholds (P240 to P245) are used to trigger a fault if the temperature is outside of these limits. Supply air temperature low limit threshold Supply air temperature upper limit threshold Return air temperature low limit threshold Return air temperature upper limit threshold Room temperature low limit threshold Room temperature upper limit threshold FLOWAY ACCESS EN-16...

  • Page 17: Display Fan Control

    The motor warnings are stored in the fault memory of the PLC. In the "4.Fault memory" menu, the text states if the warning concerns the intake motor or the exhaust motor and a warning code is also shown (see correlation table below). If several warnings are fed back simultaneously, up to 4 fault codes may be shown with the text. EN-17 FLOWAY ACCESS...

  • Page 18: Energy Recovery

    • If the recovery unit heating requirement is greater than 50% with a 50% hysteresis, and the return air temperature is greater than the fresh air temperature + the difference P225 then it operates  • If the recovery unit cooling requirement is greater than 50% with a 50% hysteresis, and the return air temperature is less than the fresh air temperature - the difference P225 then it operates  FLOWAY ACCESS EN-18...

  • Page 19: Coil

    2 and then stages 1 and 2). 100 % 33 % 66 % Electric heating requirement A minimum air flow rate is required to use the electric heaters (P126). If the flow rate is less than this parameter, the electrical  heater will not be able to start up and a "control limited" message will appear. Electric heater configuration Electric heater Minimum flow rate for electrical heater operation EN-19 FLOWAY ACCESS...
  • Page 20 940 m 100 Pa 600 m3/h 3000 Alu 1500 m 100 Pa 900 m3/h 3000 PP 1500 m 100 Pa 900 m3/h 5000 Alu 2600 m 100 Pa 1000 m3/h 7500 Alu 3000 m 100 Pa 1500 m3/h FLOWAY ACCESS EN-20...

  • Page 21: Free Cooling

    (P152). This function calculates an IAQ (Indoor Air Quality) (P382) requirement thanks to a proportional controller (P217) so that the CO concentration setpoint (P216) can be monitored. 100 % IAQ requirement Air quality Air quality proportional band Air quality setpoint P216 P331 P217 EN-21 FLOWAY ACCESS...

  • Page 22: Fire Protection

    - Rotate: used to select a setpoint or parameter, and modify it Button to override machine operation on setpoint 1 for 2 hours when it is running on a time schedule. Current cooling / heating control status Description Current heating control Current cooling control FLOWAY ACCESS EN-22...
  • Page 23 CsgC: heating temperature setpoint 1 value CsgF: cooling temperature setpoint 1 value Cali: room temperature sensor calibration (limited to +/-3°C) the key symbol is shown when the override request is activated via the mode button Th Tune EN-23 FLOWAY ACCESS...

  • Page 24: Temperature Setpoint Compensation

    Downgraded coefficient (in%) 100 % P271.3 Fresh air P271.2 P271.1 temperature The intake flow rate set point to use for the control is the selected setpoint 1 / 2 multiplied by the downgrading percentage. The exhaust flow rate set point to use for the control is the selected setpoint 1 / 2 multiplied by the downgrading percentage. Downgraded fresh air flow rate activation 271,1 Downgraded mode start fresh air temperature 271,2 Downgraded mode end fresh air temperature 271,3 % min. flow rate in downgraded mode FLOWAY ACCESS EN-24...

  • Page 25: Time Management

    In annual programming, when the ranges overlap, the priority, from most to least important, is as follows: 1. Off 2. Frost protection 3. On setpoint 2 4. Weekly prog. The annual programming takes priority over the weekly programming. Example of weekly programming: Programmed shutdown of the unit, every Saturday and Sunday, 09:00 - 16:00. EN-25 FLOWAY ACCESS...

  • Page 26: Access Level

    Level 1 is the "customer" level. It is used to alter the setpoints. Level 2 is the "installer" level. It is used to alter the settings parameters. Level 3 is the "manufacturer" level. It is used to alter the machine parameters. FLOWAY ACCESS EN-26...

  • Page 27: Managing A Network Of Controllers And Hmi Terminals

    The electrical connection between the controllers in the pLAN (RS485) is installed using an AWG20/22 shielded cable composed of a twisted pair and a shield. The cards must be connected in parallel using the J14 connector. The first and last controller must be no more than 500m apart. EN-27 FLOWAY ACCESS...

  • Page 28: Addressing The Plan

    It is generally recommended to use a commonly used system of addressing: The address for the terminals must be equal to the: controller address +16 The shared terminal address must be equal to 16 Please ensure the addressing diagram below is respected: FLOWAY ACCESS EN-28...
  • Page 29 5 seconds; the page shown below will be   displayed, with the cursor flashing in the top left corner: • to change the terminal's address (Display address setting) press the  key once: the cursor will move to the address field  (nn). • select the desired value using the  keys and confirm by pressing the  key again.   EN-29 FLOWAY ACCESS...
  • Page 30 • The terminal must have an address set to 0 (see the procedure in section 5.4.2) • Switch off the power • Once the unit is powered back on, press the keys simultaneously until the following screen appears, then release.  Select the controller address using the keys and confirm with the    FLOWAY ACCESS EN-30...
  • Page 31 , the controllers. If symbols appear then disappear, the pLAN may be unstable or, more likely, two components share the same address. The number after Term indicates the address of the terminal used. The example shows that the network is made up of 3 controllers with the addresses 1, 2, 25 and 4 terminals with the addresses 3, 4, 15 and 26. Once the page has been verified, turn  off the power, check the connections and addresses, then power the system back on. EN-31 FLOWAY ACCESS...
  • Page 32 The pLAN address for the controller is displayed on the "Machine status" screen, providing information on which control the HMI is connected to. - For example, the screen below is the main screen for the board with the address 1: FLOWAY ACCESS EN-32...

  • Page 33: Energy Meter Connection And Addressing

    Displays the communication speed, e.g. "1200" Press the key Temperature display flashes Press the key Scrolls through the speeds, stop on the "19200" display Press the key Displays the communication speed "19200" Press and hold the key Displays "bAUd" EN-33 FLOWAY ACCESS...

  • Page 34: Associated Parameters

    Three-phase meter 3009 Current L2 Three-phase meter 3010 Current L3 0 : Fault not present 3012 Fault summary 1 : Fault present 0 : offline 3013 Communication state 1 : online 3014 Serial number 3015 Version number FLOWAY ACCESS EN-34...

  • Page 35: Connection To A Cms

    - 1 or 2: Read several bits - 3 or 4: Read several registers (16 bits) - 5: Write one bit - 6: Write one register (16 bits) - 15: Write several bits - 16: Write several registers (16 bits) EN-35 FLOWAY ACCESS...

  • Page 36: Modbus Tcp/Ip And Bacnet Ip

    Procedure for Windows 7: Important: you must have administrator rights to your computer Go to the Start menu on your PC then Control Panel. In the Network and Internet section, click the link View network status and tasks. FLOWAY ACCESS EN-36...
  • Page 37 Right-click with the mouse on the name of the network connection you wish to configure. In the menu which appears, select Properties. Select the row Internet Protocol Version 4 (TCP/IPv4). Click the Properties button. Enter the IP address: 172.16.0.2. Subnet mask: 255.255.0.0 Then, confirm EN-37 FLOWAY ACCESS...
  • Page 38 The password is fadmin Click in the Configuration menu, and select the Network tab. Complete this page with the information for your local network (IP address & Netmask). Then, in the pCO Com tab, change the protocol to Modbus Extended. FLOWAY ACCESS EN-38...

  • Page 39: Lon

    3. Service pin (create a temporary shunt between the two terminals to create a service PIN, disconnect this shunt after completing the operation) 4.  Green service LED: state of the node, lit during the pin service, flashing when the board receives a command from the network,  if permanently lit = board faulty 5.  Red fault LED: signals an installation issue (incorrect connection to the PLC) or communication configuration issue (check  parameter P700) Dimensions (mm) EN-39 FLOWAY ACCESS...
  • Page 40 LNS database. This can then be duplicated as many times as there are controllers present on the bus. The air handling units do not require Resources Files other than LonMarkResourceFiles1400 included as standard in all LON official tools. Example of import of the xif file with NL220: Once the project has been opened, create a new node model: FLOWAY ACCESS EN-40...
  • Page 41 The air handling unit controller will now appear in the list of node models, which will enable as many controllers to be created in the database as there are controllers present on the network. The rest of the configuration (creation of the bindings on the nvi/nvo type datapoints) is carried out normally, as it would be for any  other LON product. Our PLC does not have any nci/SCPT/UCPT type datapoints. The configuration parameters are only accessible  from the HMI terminal. EN-41 FLOWAY ACCESS...

  • Page 42: Knx

    Considering the central role of the integrator, it is essential that the latter is included in the project as early as possible so as to be able to anticipate and validate the BMS architectures, integration tools, etc. FLOWAY ACCESS EN-42...
  • Page 43 Register None 1/1/23 VitesseVentilReprise 16-bit float 1141 Register None 1/1/24 Batterie2 16-bit float 1143 Register None 1/1/25 BipasseRecup 16-bit float 1180 Register None 1/1/26 Triac 16-bit float 1159 Register None 1/1/27 Melange 16-bit float 1169 Register None EN-43 FLOWAY ACCESS...
  • Page 44 6.4.1 - Installing the plugin with ETS5 Carry out installation of the plugin AHU_Plugin_ETS5.knxproj provided. Import "AHU_plugin_ETS5.knxproj" as shown below. Select the plugin and follow the instructions Once import is complete, "AHU_ plugin_ETS5" should appear in the list of projects FLOWAY ACCESS EN-44...
  • Page 45 Reopen ETS5 and open the "AHU_plugin_ETS5" project. Copy and paste the plugin model for each device to be included in your project. The address of each device is automatically incremented. If necessary, you can manually change the address of a device in Properties. EN-45 FLOWAY ACCESS...
  • Page 46 You must ensure that: - The Bus wire network is drawn out and connected - The Bus is powered on - The KNX board is connected to the network - The controller is powered on On ETS5, use the mouse to select the controller which needs to be configured, select the "Parameter" tab and click "Open the  dialogue box for parameter specific to the product". FLOWAY ACCESS EN-46...
  • Page 47 In extreme cases, i.e. high traffic and large XML files, the bus may be disconnected and ETS5 will signal an error. In this case,  simply repeat the download. NOTE: This procedure is specific to the KNX board and is the only configuration operation permitted by the ETS5 program, other than  allocation of the address. The KNX datapoints loaded via this plug-in do not appear in the Group Objects tab. To check and/or modify your group addresses, you need to re-open your xml file from KSet and, once the modifications are complete, upload it via the ETS plugin. Our PLC does not have any configuration parameters accessible within KNX. They can only be accessed from the HMI terminal. EN-47 FLOWAY ACCESS...

  • Page 48: Commissioning

    - The ModBus connection for the motor to be addressed - The start address for the FMA - Check that just one non-addressed motor is connected to the ModBus link - Check that the final address has not already been allocated to another motor  Then restart the configuration. Repeat this operation for each motor requiring addressing or re-addressing. FLOWAY ACCESS EN-48...

  • Page 49: Test Mode

    The pressure sensors are calibrated by a wizard: in the calibration menu, when the parameter corresponding to the sensor which requires  calibration  has  switched  to  "yes"  then  the  measured  value  is  saved  and  used  as  the  offset. The  adjusted  value  then  becomes 0. To calibrate the pressure sensors, the unit must be stopped and the air flow must be zero. It is also possible to temporarily disconnect  the connection tubing from the pressure sensor. EN-49 FLOWAY ACCESS...

  • Page 50: Faults

    Loss of communication with the intake FMA1 Loss of communication with the extraction FMA1 Loss of communication with main box energy meter Loss of communication with Th-Tune FLOWAY ACCESS EN-50...

  • Page 51: Parameters

    = ventilation or temperature + ventilation Air intake fan flow control PID proportional 6000 P104 Air intake ventilation control = Flow rate band (P) Air intake fan flow rate control PID integral P104 Air intake ventilation control = Flow rate time (I) EN-51 FLOWAY ACCESS...
  • Page 52 0: CMS Changeover selection P28 hydraulic coil = mixed 1 : On/Off input Fan delay time P32 Electric heater = 2 On/Off stages Heating or cooling change authorisation time delay Temperature setpoint 1 in cooling mode 25,0 °C FLOWAY ACCESS EN-52...
  • Page 53 Hydraulic coil frost protection safety P28 Hydraulic coil no.1 = Cooling or Heating or °C threshold mixed Coil valve min. opening percentage P28 Hydraulic coil no.1 = Cooling or Heating or mixed Fresh air temperature limit for unit operation °C EN-53 FLOWAY ACCESS...
  • Page 54 Exhaust flow rate setpoint during DX unit As per P1 P286 = Derated mode and P104 = flow rate defrosting 0 : No FMA warning on fault output 1 : Yes 0 : No FMA warning on CMS 1 : Yes FLOWAY ACCESS EN-54...

  • Page 55: Reading Parameters

    P32 Electric heater = 2 On/Off stages 1 : active 0: heating Changeover state P28 Coil no.1 = mixed 1: cooling 0: off P28 Coil = Cooling direct expansion or heating direct DX unit run/shutdown 1 : on expansion or reversible direct expansion EN-55 FLOWAY ACCESS...

  • Page 56: Faults Level

    1 : Danger 0 : Maintenance room temperature sensor P149 = with 1 : Danger 0 : Maintenance Intake FMA EC motor warning 1 : Danger 0 : Maintenance Exhaust FMA EC motor warning 1 : Danger FLOWAY ACCESS EN-56...

  • Page 57: Communication Parameters

    Return air temperature sensor calibration -5.0 °C P149 = with in read-only, modifiable from Calibration of the room air temperature sensor -3.0 °C Th-Tune Calibration of CO Air Quality sensor -200 P149 Air quality control = With EN-57 FLOWAY ACCESS...

  • Page 58: Input/Output Directions

    1 : active 0 : inactive 1234 Warning summary 1 : active 1235 Warning status 1238 Motor type 1239 Version number Extraction FMA 1 settings 2200 Min. speed percentage 2201 Max. speed percentage 2202 Acceleration ramp-up 2203 Deceleration ramp-down FLOWAY ACCESS EN-58...

  • Page 59: Energy Meter

    Voltage L1 - L3 3008 Current L1 3009 Current L2 3010 Current L3 0 : Fault not present 3012 Fault summary 1 : Fault present 0 : offline 3013 Communication state 1 : online 3014 Serial number 3015 Version number EN-59 FLOWAY ACCESS...
  • Page 60 Manufacturer: CIAT S.A, Culoz, France. Printed in the European Union. Manufacturer reserves the right to change any product specifications without notice.

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