Ruskin TDFi-RT Technical Bulletin
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Ruskin TDFi-RT Technical Bulletin

Advanced thermal dispersion fan inlet airflow & temperature measuring system
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Air Quality Solutions
Technical Bulletin
Model: TDFi-RT
Advanced Thermal Dispersion Fan Inlet
Airflow & Temperature Measuring System
TB-TDFi-RT-821/New
ALL STATED SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE OR OBLIGATION
©Ruskin August 2021

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  • Page 1 Air Quality Solutions Technical Bulletin Model: TDFi-RT Advanced Thermal Dispersion Fan Inlet Airflow & Temperature Measuring System TB-TDFi-RT-821/New ALL STATED SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE OR OBLIGATION ©Ruskin August 2021...

  • Page 2: Table Of Contents

    TDFi-RT Advanced Thermal Dispersion Fan Inlet Airflow & Temperature Measuring System Technical Bulletin TDFi-RT Refer to the Ruskin.com website for the most up-to-date version of this document. DOCUMENT INTRODUCTION ....................... 3 START-UP ........................... 3 Navigating the Start-Up Menu ............................3 NORMAL OPERATION ......................... 4 BOOT FAN SETUP ........................

  • Page 3: Tdfi-Rt Advanced Thermal Dispersion Fan Inlet

    START-UP Navigating the Start-Up Menu After Installation has been verified, apply power to the TDFi-RT Host Monitor. Menu displays will be generated on the Host Monitor’s front panel (16x2 LCD). Display will briefly indicate: The boot splash screen indicates the firmware version and model name.

  • Page 4: Normal Operation

    NORMAL OPERATION The normal operation screen will display the average temperature & average velocity or volume of the selected fan or the Fan Summary. The Fan Summary will display the average velocity or the sum of the volumetric flow for all configured fans. The selected fan address is indicated in the top right of the screen, for example FSUM is the Fan Summary and F01 is fan 1.

  • Page 5: Normal Operation

    Membrane Push Buttons The five membrane push-buttons on the front panel display (MENU, ESC, UP, DOWN, ENTER) are used to interface with the TDFi-Rt Host Monitor. Membrane pushbuttons are used during system configuration setup and can be used for certain functions when in the Normal operation mode.

  • Page 6: Normal Operation Display Mode

    Normal Operation Display Mode The normal operation screens will display the TDFi-Rt system’s average temperature and velocity or volume of the selected fan or the fan summary. The fan summary will show the average velocity or sum of volume of all configured fans. The selected fan is indicated in the top right of the screen, for example FSUM is the fan summary and F01 is fan 1.
  • Page 7 When enabled, the PIN is required each time the Operator Menu is entered. Note: Write down and retain the PIN in system configuration documentation for future use, to access the TDFi-Rt Operator Menu features. *From the Factory, the PIN is 9999 and it is not enabled*...

  • Page 8: Operator Sub-Menu Example

    “ ” symbol displayed on the line 2 of the display. Certain values are edited a single digit or character at a time. The currently selected digit or character for those values will blink. The remainder of this Section details steps to verify or change TDFi-Rt System Configuration Setup of Operator Sub-Menus. Page 8...

  • Page 9: Operator Pin Selection

    Operator Pin Selection Allows the configuration of an Operator PIN. PIN options are at the bottom of the Operator Menu. Selected Menu Options Select *Default values shown Note: The Operator Menu can be only accessed with a PIN, when enabled. Example below depicts the Operator Menu selected when the Operator PIN is enabled: Note: From the Factory, PIN is 9999 and is not enabled.

  • Page 10: Flow Configuration

    Flow Configuration The Operator Menu selection is where all application specific data is entered to configure the TDFi-Rt Host Monitor for a unique application. Typical data includes: Units of Measure, Fan Diameters, Flow Units, Site Elevation, System Ranges, and Zero Cutoff.
  • Page 11 Configuration Selections Configuration Options Select the fan or fan array and enter the fan area.10 to 48 in or 25.4 to 60.96 cm. Selecting ‘Fan Fan Diameter Array’ will configure the diameter to be the same for all fans. If a specific area is needed, selecting ‘Edit’...

  • Page 12: Display Configuration

    Table 2: Volumetric Units of Measurement from Flow Unit selection and Display Units Actual Flow Units SI Units Imperial Units Standard Flow Units SI Units Imperial Units Actual/Sec ALPS ACFS Standard/Sec SLPS SCFS Actual/Min ALPM ACFM Standard/Min SLPM SCFM Actual/Hour ACMH ACFH Standard/Hour...
  • Page 13 Table 4: Display Configuration Sub-Menu Selections and Configuration Options Display Configuration Configuration Options Sub-Menu Selections Select between 0 and 9 where 0 is off. Filtering is equal to the value times 10%. Ex. A value of 2 Display Filter would be 20% filtering. 9 is maximum filtering, 0 is no filtering. Display Units Select between SI or Imperial units Display Flow Type...

  • Page 14: Analog Output 1 Parameters

    12. Repeat Steps 10 and 11 for the remaining character positions. When position 16 is entered, user will be exited back to display as in Step 13 and Custom Text will be stored in memory. 13. Scroll to Exit this Menu and press ENTER to back out to the Operator Menu, otherwise, press MENU to return to the Normal display mode.

  • Page 15: Analog Output 2 Parameters

    Use UP or DOWN to change setting. Once desired setting is displayed (Flow, Temperature or None), press ENTER. New setting will be stored in memory and display will return as in Step #1. Analog Output 2 Parameters Allows the selection for which the process variables Output #2 represent. Process variables available for output are: Flow, Temperature, or None.

  • Page 16: Temperature Output Lpf (Low Pass Filter)

    Temperature Output LPF (Low Pass Filter) Allows selection of level of Process filtering applied to Temperature outputs. Levels are 0 to 9, with 0 representing the filter off and 9 for maximum filtering (Each unit of filtering is equal to 10% filtering, e.g., 2 is equal to 20%). Note: Display Filter is an additional filter selection applied only to the display.

  • Page 17: Flow Output Lpf (Low Pass Filter)

    Flow Output LPF (Low Pass Filter) Allows selection of level of Process filtering applied to Flow outputs. Levels are 0 to 9, with 0 representing the filter off and 9 for maximum filtering (Each unit of filtering is equal to 10% filtering, ex. 2 is equal to 20%). Note: Display Filter is an additional filter selection applied only to the display.

  • Page 18: Analog Output Calibration

    Analog Output Calibration Allows for the calibration adjustments of the TDFi-Rt Host Monitor Analog Outputs 1 & 2. Selected Menu Sub-Menus Options Select *Default values shown Page 18 Release Date: 6/15/2021...
  • Page 19 Allows the user to test Output 2 with the Offset and Span settings at 0, 50, and 100% output. This section can be accomplished with the TDFi-Rt Host Monitor mounted in its operating location or at a test bench in a calibration lab.
  • Page 20 DMM should be reading a minimum value: 4.00 ± 0.01mA, as determined in the Output 1 Span. If DMM is reading out of tolerance, use UP or DOWN to adjust the TDFi-Rt Host Monitor output for an acceptable DMM reading.
  • Page 21 15. Now that both analog outputs have been configured and calibrated, the Design Range Low and Design Range High should be configured. Scroll to display: 16. Press ENTER. Display will indicate: 17. Press UP or DOWN to adjust the Design Range Low value. Single digit entry, left to right. Press ENTER after the final digit to confirm the value.

  • Page 22: Temperature Balance Configuration

    26. Press UP or DOWN to adjust the Temperature Range High value. Single digit entry, left to right. Press ENTER after the final digit to confirm the value. 27. Press UP or DOWN to scroll and display: 28. Press ENTER. Display will indicate: 29.
  • Page 23 Temperature Balance Configuration Configuration Options Sub-Menu Selections Temperature Balance Enable Set the offset for the selected fan. Temperature Balance Offset Sets the offset for the selected fan from -5.4 to +5.4°F Note: Press ESC at any time to return to the previous menu and exit without changing any settings. While in Operator Menu, use UP or DOWN to scroll to: Press ENTER to enter the Temperature Balance Configuration menu and display will indicate below: Use UP and DOWN to select the fan or summary to edit its Temperature Balance Configuration.

  • Page 24: Menu Time-Out

    Menu Time-Out The Menu Time-Out sub-menu allows user to select a time (minutes) after which the unit returns to Normal operation mode if no activity in the Operator Menu. This time is also linked to the back light. A setting of 0 will never timeout and the back light will always be on. Selected Menu Options Select *Default values shown...

  • Page 25: Bacnet Network Configuration

    BACnet Network Configuration Allows for the calibration adjustments of the TDFi-Rt Host Monitor Analog Outputs 1 & 2. Selected Menu Sub-Menus Options Select *Default values shown Configuration Selections Configuration Options BACnet On/Off Enables the BACnet interface BACnet Instance ID Sets the BACnet Instance ID for the Device object from 1 to 4,194,303 BACnet Address Sets the MSTP address of the BACnet interface from 4 to 127.

  • Page 26: Bacnet Flow Alarm Configuration

    BACnet device name will display “TDFi-Rt: {line 2 custom text}”. The line 2 custom text will allow easy BACnet identification of the device when there is multiple on the BACnet network. If line 2 is not set to custom text, the device name will just be “TDFi-Rt”. Any changes to the line 2 and line 2 custom text setting will require BACnet to be restarted to display any of the changes.
  • Page 27 BACnet Flow Alarm Configuration sub-menu is only available with BACnet enabled. Selected Menu Sub-Menus Options Select *Default values shown BACnet Flow Alarm Configuration Configuration Options Sub-Menu Selections Flow Low Alarm Enable the low set point flow alarm Flow High Alarm Enable the high set point flow alarm Flow Low Set point Set the flow alarm low set point from 0 to 10,000 FPM (or equivalent volumetric flow)

  • Page 28: Bacnet Temperature Alarm Configuration

    While in Operator Menu, use UP or DOWN to scroll to: Press ENTER to enter BACnet Flow Alarm Configuration Menu. Display will indicate: Use UP and DOWN to select the summary or fan alarm to modify. Press ENTER on the desired fan and display will indicate: Press ENTER and display will indicate current setting of Alarm Low (ON or OFF).
  • Page 29 Selected Menu Sub-Menus Options Select *Default values shown Configuration Selections Configuration Options Temp Low Alarm Enable the low set point temp alarm Temp High Alarm Enable the high set point temp alarm Temp Low Set point Set the temp alarm low set point from -29.2°F to +129.2°F. Temp High Set point Set the temp alarm high set point from -29.2°F to +129.2°F.

  • Page 30: Navigating The Supervisor Menu

    Upon entering the last digit, the PIN is stored in non-volatile memory. The PIN is required each time the Supervisor Menu is entered, if enabled. Note: Write down and retain the PIN in system configuration documentation for future use, to access the TDFi-Rt Supervisor Menu features. Page 30...
  • Page 31 At any time while in the Supervisor Menu, the user can return to Normal display mode by pressing MENU or scrolling to: And pressing ENTER. Then scroll DOWN to Exit all Menus and press ENTER. The remainder of this Section details steps to verify or change TDFi-Rt System Management Settings of Supervisor Sub-Menus. Page 31...

  • Page 32: Supervisor Pin Selection

    Supervisor Pin Selection Allows the configuration of the Supervisor PIN. PIN options are at the bottom of the Supervisor Menu. Selected Menu Options Select *Default values shown Note: The Supervisor Menu can be only accessed with a PIN, when enabled. Example below depicts the Supervisor Menu selected when the Supervisor PIN is enabled: Note: From the Factory, PIN is 2222 and is not enabled.

  • Page 33: Sensor Management

    Sensor Management The Sensor Management sub-menu is used to scan the sensor network for active sensors and enable or disable individual sensors. This sub-menu also displays each sensor’s velocity and temperature reading. Selected Menu Sub-Menus Options Select *Default values shown Page 33 Release Date: 6/15/2021...
  • Page 34 Sensor Management Sub-Menu Configuration Options Configuration Selections Display Active Sensors Displays the active sensors and monitors Scan Sensors Will scan and update the active sensors and monitors Display Sensor Status Displays the status of each sensor on each monitor Enable Sensors Allows the user to set a sensor on any monitor to be enabled Disable Sensors Allows the user to set a sensor on any monitor to be disabled...
  • Page 35 Press MENU, scroll DOWN, select the Supervisor Menu and press ENTER to return to Sensor Management Menu. Press UP or DOWN to Display Sensor Status; display will indicate: 10. Press ENTER. Display will indicate: UP/DOWN 11. Press UP or DOWN to scroll the monitor to be displayed on Line 1 of the LCD (H, 0-F, bottom to top). 12.
  • Page 36 19. Press ENTER to view the status and values of individual sensors on the selected monitor. UP or DOWN will scroll through the sensors (1-2). Press ESC to return to the Monitor Data screen. 20. Press UP or DOWN to scroll to display the remaining monitors. Press ESC to return to the Sensor Management Menu. 21.

  • Page 37: Fan Array Configuration

    Fan Array Configuration Allows the user to set the fan array settings and perform a field calibration for a selected fan. Selected Menu Sub-Menus Options Select *Default values shown Page 37 Release Date: 6/15/2021...
  • Page 38 Configuration Selections Configuration Options Number of Fans Sets the number of fans this Monitor network will track. Sensors Per Fan Sets the number of sensors that will be on each fan. This applies to all fans. Assigns a monitor and sensor(s) to a given fan. When Sensors Per Fan is set to 2, only the Set Fan Sensors selection of a monitor is required as both sensors on that monitor will be assigned to the selected fan.
  • Page 39 Select the monitor for the fan being setup. Use UP and DOWN to select the monitor to associate with the fan being setup, H is the Host, 0-F are the Clients. Press ENTER to confirm selection. When Sensors per Fan is setup as 1, the sensor associated with the fan being setup must be selected.

  • Page 40: Fan Field Calibration - Manual

    Fan Field Calibration – Manual Note: Not Recommended. Use automatic 1, 2, or 3 point calibration feature. Use Manual gain and offset menus to restore recorded values from a previous calibration. Sub-Menus Options Select *Default values shown Configuration Selections Configuration Options Enables the field calibration manual or calculated gain and offsets to be applied to the selected fan’s Field Calibration Enable final output.
  • Page 41 Use UP and DOWN to enable the field calibration adjustment. Press ENTER to confirm selection. Navigate to Use Calculated Calibration and press ENTER. Use UP and DOWN to select if the previously selected fan will use a calculated calibration process. If yes is selected goto the Calculated Calibration section.

  • Page 42: Fan Field Calibration - Calculated

    13. Use UP and DOWN to adjust the currently blinking digit. ENTER will advance to the next digit or confirm the value when on the last digit. ESC will go back a digit or cancel the value entry when on the first digit. 14.
  • Page 43 In the Fan Array Configuration menu navigate to the Field Calibration Configuration menu item and press ENTER: Use UP and DOWN to select the fan and press ENTER to confirm the selection. Selection is limited by the number of fans that were previously setup.

  • Page 44: Fan Field Calibration - Automatic Calibration Process

    Fan Field Calibration – Automatic Calibration Process This section outlines the process for automatically calibrating an individual fan with a 1 to 3 point process. Upon entering the screen will prompt to enter the calibration process. Press ENTER to continue. Enter the diameter for the selected fan.

  • Page 45: Fan Field Calibration - View Field Calibration Process

    Fan Field Calibration – View Field Calibration Process This section outlines the process for viewing the gain and offsets calculated during the automatic field calibration process. The device will prompt to start viewing the field calibration values calculated for sensor 1 of the fan. The display will show the Monitor and Sensor assigned to the selected fan’s sensor.
  • Page 46 Use UP and DOWN to select the number of points to calibrate the previously selected fan to. Press ENTER to confirm the selection. A confirmation screen will show. Press ENTER to continue. ESC will return to the previous step. Enter the airflow of the total fan array a volumetric value. CFM is default, the unit is based on the display settings. Use UP and DOWN to adjust the currently blinking digit.

  • Page 47: Fan Array Field Calibration - Calibration Error Screens

    10. Steps 5 through 9 will repeat for any remaining calibration points. 11. After successfully completing the final calibration point a confirmation will display. ENTER will complete the calibration. ESC will return to the last calibration point at step 5. 12.
  • Page 48 Error Fan Sensors Not Available to Calibrate Possible Cause The sensors assigned to the fan being calibrated were not in an active state. Check sensors and sensor cables of the fan being calibrated and ensure they are firmly plugged in and that Possible Resolution there are no breaks or pinches in the cable.

  • Page 49: Factory Default Reset

    Use UP or DOWN to select YES to confirm resetting the sensors. Press ENTER the display will indicate: The TDFi-Rt system will automatically reset all sensors and devices, then restart and warm-up. Then returns to the Normal Operational Mode. Factory Default Reset The Factory Default Reset Sub-Menu allows the user to reset all parameters back to original factory default settings.

  • Page 50: Supervisor Pin Selection

    Press ENTER the display will indicate: The TDFi-Rt system will automatically reset all settings to default, all sensors, and devices, then restart and warm-up. Then returns to the Normal Operational Mode. All settings will be returned to a default state from the factory.

  • Page 51: Troubleshooting

    TROUBLESHOOTING Problem Possible Cause Corrective Action UI Location & Steps Airflow reading does Calibration Steps have If Fan Array: Menu > Supervisor Menu > Fan Array Config > Fan not match what T&B is not been completed. Use Automatic Array Cal reporting Calibration Feature and Note: Follow Setup Steps...
  • Page 52 Note: Analog Out (AO) Probe Network and BACNET ports on the primary use interchangeable connectors. Ruskin Device Network BACnet MS/TP Outputs Two client boxes Assign the correct Rotary Address may have the same Address per Fan Client addresses. Look at rotary dial on ancillary probes.
  • Page 53 Sensor M8 Cable Connection Ruskin M8 Mating Connection Device Internal Normal Operation Sensor(s) assigned to a Verify that all Monitor Menu > Supervisor Menu > Sensor Mgmt > Disp...
  • Page 54 All Rights Reserved. The product detailed in this manual is protected by a U.S. patent. Illustrations and product descriptions published are not binding in detail. In keeping with its policy of continuous improvement,Ruskin reserves the right to change or modify designs or specifications of products without notice or obligation.

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