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Airstream ITA-6 User Manual

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Inlet Controller
ITA-6
USER'S MANUAL

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Summary of Contents for Airstream ITA-6

  • Page 1 Inlet Controller ITA-6 USER'S MANUAL...

  • Page 2: Table Of Contents

    Identification Numbers & End of Line Jumpers ......10 Comlink-2 Location & Connection ......... 12 Identifying Primary and Slave Units ........13 Seasonal Programs ............. 14 Verify ITA-6 Operation (Manual Mode) ........14 ITA-6 OPERATION ............. 15 Basic Principle of Operation ..........15 Calibration ................ 18 CONTROLLER FUNCTIONS .........

  • Page 3: Precautions

    Pay attention. The following text contains useful information. FOR CUSTOMER USE Enter below the serial number located on the side of the controller and retain this information for future reference. ITA-6 Model number: Serial number: ITA-6 rev.02...

  • Page 4: Features

    FEATURES The ITA-6 is an electronic device used for air inlet control in livestock buildings. In combination with an environment controller, the ITA-6 coordinates the movement of the air inlets with the operation of the fans. Additional units can be connected to the ITA-6 for an independent control of additional air inlets.

  • Page 5: Location Of The Controls

    LOCKED and cannot be m odified. Turns on when a tem perature value is displayed in Fahrenheit. °C / °F Flashes when a tem perature value is displayed in Celsius. ALARM Turns on when an alarm is detected. ITA-6 rev.02...

  • Page 6: Internal Switches

    PRIMARY UNIT NO RESET AUTO RESET THE INLET POSITION RESET MIN POSITION ONLY RESET TOWARD THE NEAREST POSITION STOP THE MANUAL RESET START THE MANUAL RESET OPENING = TIME VALUE OPENING = % INLET MODE TUNNEL MODE RESERVED ITA-6 rev.02...

  • Page 7: Installation Procedure

    Integrating an air inlet control system into your ventilation system requires the following equipment: • A Comlink-2 communication module added to your controller • A ITA-6 controller for each air inlet panel (up to 100 in all) • An alarm system (optional) • A DC power supply (optional) •...
  • Page 8 ITA-6 ITA-6 rev.02...
  • Page 9 AND EQUIPMENT DAMAGE. TEMPERATURE PROBES: If your ITA-6 unit is supplied with a temperature probe, connect it to the PROBE terminal and set internal switch #5 to ON. Note that the ITA-6 can run without a temperature sensor; in this case, the ROOM TEMPERATURE menu will not be a available.

  • Page 10: Identification Numbers & End Of Line Jumpers

    JUMPERS The ITA-6 network operates on two communication lines. One line links the ITA-6 units together to the main controller and the other line links temperature controllers to a computer (this second line is optional). Two jumpers on the Comlink-2 card are used to identify the end of line for each communication line.
  • Page 11 ITA-6 INLET INLET INLET MAIN CONTROLLER CONTROLLER CONTROLLER ENVIRONMENT (MASTER) (SLAVE) (SLAVE) CONTROLLER ADDITIONAL CONTROLLER ADDITIONAL CONTROLLER ITA-6 rev.02...

  • Page 12: Comlink-2 Location & Connection

    The maximum length of the cable is 10 000 ft (3 000 m) and the recommended wire diameter is of 18 AWG (1.0 mm ). Use a lightning pro- tection module when running the cable between buildings. ITA-6 rev.02...

  • Page 13: Identifying Primary And Slave Units

    If your installation requires more than one ITA-6 unit for independent con- trol of different air inlets, one of the ITA-6 will be configured as the primary unit and the others will be configured as slaves. Up to 99 slave units can be connected in this way.

  • Page 14: Seasonal Programs

    Make sure to select the right season is selected before modifying a parameter. Verify ITA-6 Operation (Manual Mode) • Power the ITA-6 then select MANUAL MODE using the function selector. • Use the adjustment knob to select the desired actuator status: se- lect "OPn"...

  • Page 15: Ita-6 Operation

    SET POINT Inlet & Tunnel Modes When the last reference point is reached, the ITA-6 can either open the air inlet according to a user-defined value (internal switch #11 to OFF), or it can fully open the air inlet up until the inlet reaches its limit switch (internal switch #11 to ON).
  • Page 16 75 %; it reaches the stage's HI opening position when the fan speed is 100 %. Opening of the Inlet During a Variable Stage with 0 Intermediate Step Opening (Time or %) Step HI Opening Step Opening Variable Stage Speed 50 % 100 % ITA-6 rev.02...
  • Page 17 Opening Intermediary Step 2 Intermediary Step 1 Step Opening Variable Stage Speed 50 % 60 % 85 % 100 % (interm. (interm. step1) step2 Refer to the PROGRAMMING chapter to enable the proper number of intermediate opening steps. ITA-6 rev.02...

  • Page 18: Calibration

    ITA-6. BEFORE CALIBRATING THE ITA-6: • It is preferable to calibrate the ITA-6 while the room is empty be- cause the calibration will cause the activation of all fan stages. • Be sure that the circuit breakers at the service panel and all other protection devices are in a position such that the fans can be acti- vated.
  • Page 19 CALIBRATION SETTINGS: 1. Select CALIBRATION using the function selector. 2. Press and hold the push-button of the primary ITA-6 unit for 2 sec- onds to start the calibration. 3. Once the calibration is launched, you must press and hold the push- button for 2 seconds on all ITA-6 slave units within the next 30 sec- onds.

  • Page 20: Controller Functions

    CONTROLLER FUNCTIONS Identification Number The IDENTIFICATION NUMBER menu gives the identification number of the ITA-6 along with its primary/slave status. The ID number is set using jumpers on the COMLINK-2 communication card (see INSTALLATION PRO- CEDURE chapter). To display the identification number: •...

  • Page 21: Total Opening Time

    • Proceed in similar fashion to set the total opening time on all ITA-6 units. Opening Display (Time / %) The user must assign an inlet position to each ventilation stage. This posi- tion can either be specified as a moving time of the actuator or as a per- centage of the total run time.

  • Page 22: Programming Inlet Openings

    • Enter the total opening time of the inlet of each ITA-6 unit. PROGRAMMING INLET OPENINGS • Select "PROGRAMMING" using the function selector (note that this menu is not available during the calibration) The opening time or the inlet position (in %) associated with step 0 is displayed.

  • Page 23: Remaining Run Time / Opening Menu

    If the inlet opening is displayed as a time value (internal switch #10 is OFF), the REMAINING RUN TIME / OPENING menu shows a countdown of the remaining moving time of the air inlet (opening or closing time). A negative ITA-6 rev.02...

  • Page 24: Resetting The Inlet Position

    Set internal switch #8 to ON to use this reset method. This resetting method requires the pres- ence of limit switches at both ends of the actuator. ITA-6 rev.02...
  • Page 25 • Proceed in similar fashion to set the reset delay on all ITA-6 units. Manual & Automatic Resets The reset of an inlet can either be performed manually (which is useful when the user detects an offset in the inlet position) and/or it can be per- formed at regular intervals (auto-reset).
  • Page 26 Use the adjustment knob to set the frequency to the desired value. The frequency can be adjusted once every 1 to 7 days. Select "1" to reset the position every day; select "2" to reset the position every 2 days, etc. ITA-6 rev.02...

  • Page 27: Temperature Alarms

    It can be adjusted from 0.5°F to 40°F (0.3°C to 22.2°C). Note that internal switch #4 must be set to ON for this alarm to be detected. TEMPERATURE HI TEMPERATURE ALARM SET POINT LO TEMPERATURE ALARM TIME ITA-6 rev.02...
  • Page 28 Offset flashes on the display alternating with the letters "Hi". Note that this menu is only accessible it temperature alarms are enabled (internal switch #4 is ON). • Use the adjustment knob to adjust the Hi Offset to the desired value. ITA-6 rev.02...

  • Page 29: Alarms - Readout

    ITA-6 Alarms - Readout When an alarm occurs, the ITA-6 activates the alarm contact and turns on the alarm pilot light. The alarm readout function displays all currently out- standing alarm situations. • Select "ALARM READOUT" using the function selector. The fol-...

  • Page 30: Room Temperature

    "Hi". • Turn the adjustment knob one notch further. The minimum tem- perature value is displayed alternating with the letters "Lo". • Turn the adjustment knob one notch further to return to the room temperature display. ITA-6 rev.02...

  • Page 31: Troubleshooting Guide

    THE ITA-6 IS DEFECTIVE. - LISTEN TO SEE IF THERE IS A CLICKING SOUND WHEN THE ALARM PILOT LIGHT TURNS ON. IF THERE IS NO CLICKING SOUND, THE ITA-6 IS DEFECTIVE. CONTACT YOUR DISTRIBUTOR TO REPAIR THE CONTROLLER. ITA-6 rev.02...

  • Page 32: Technical Specifications

    -40.0° to 120.0°F(-40.0° to 49°C). Accuracy: 1.8 F (1°C) between 41 and 95 F (5° and 35°C). Enclosure: ABS, humidity and dust-tight. The room temperature where the controller is located MUST ALWAYS REMAIN BETWEEN 32 AND 104 F (0 AND 40 For indoor use. ITA-6 rev.02...

  • Page 33: Index

    Limit switch positionnng 14 Primary / slave modules Principle of operation 13 Settings 6 Serial number 3 Manual mode 14 Setup 8 Motor see Inlet Status leds 5 Technical specifications 32 Mounting instructions 7 Dip switches 6 Fahrenheit units 6 ITA-6 rev.02...
  • Page 34 Serial number 3 Slave unit Principle of operation 13 Settings 6 Summer program 6 Technical specifications 32 Temperature Room temperature 30 Temperature alarms see Alarms Temperature probe activation 6 Unit selection : °F or °C 6 Troubleshooting guide 31 ITA-6 rev.02...
  • Page 35 M 890-00256 rev. 02 REV. 02...

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