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Air Monitor Corporation ELECTRA-flo Installation, Operation And Maintenance Instructions

Thermal air flow measurement transmitter
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Installation, Operation,
and Maintenance Manual
ELECTRA-flo
Thermal Air Flow Measurement Transmitter
Version 1.1X
Installation, Operation & Maintenance
Air Monitor Corporation provides complete
technical support between the hours of
7 a.m. and 5 p.m. PST, M-F
Contact our Service Department
Toll Free: 1-800-AIRFLOW
or fax us at 1-707-526-2825
Air Monitor Corporation
ELECTRA-flo
- IO&M Manual
116-053-00.P65 (7/06)

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  • Page 1 Maintenance Manual ELECTRA-flo Thermal Air Flow Measurement Transmitter Version 1.1X Installation, Operation & Maintenance Air Monitor Corporation provides complete technical support between the hours of 7 a.m. and 5 p.m. PST, M-F Contact our Service Department Toll Free: 1-800-AIRFLOW...
  • Page 3 ADDENDUM This addendum to the ELECTRA-flo Installation, Operation & Maintenance Manual is applicable to software version 1.16. This software version differs from version 1.15 and earlier, in that all menus are accessed via a 4 pushbutton sequence rather than simultaneously pressing 2 buttons.

  • Page 4: Table Of Contents

    FLOW CONFIGURATION ......................13-14 DISPLAY CONFIGURATION ....................... 15-17 5.10 OUTPUT 2 PARAMETER SELECTION .................... 18 5.11 LOW PASS FILTER ......................... 19 5.12 TRANSMITTER OUTPUT CALIBRATION ..................19-21 5.13 K-FACTOR CONFIGURATION ....................22-23 Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)
  • Page 5 SECTION 8 – CUSTOMER SERVICE CUSTOMER SERVICE / TECHNICAL SUPPORT ................34 REPAIRS / RETURNS ........................34 WARRANTY REPAIRS / RETURNS ....................34 NON-WARRANTY REPAIRS / RETURNS ..................34 FIELD SERVICE ..........................34 Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)

  • Page 6: Instrument Warranty

    Seller in writing of such defect within sixty (60) days of Air Monitor Corporation’s liability to the customer, or any discovery of the defect. other party for breach of warranty.

  • Page 8: Section 1 - General Information

    1 – GENERAL INFORMATION 1.1 – DESCRIPTION The ELECTRA-flo Thermal Air Flow Transmitter is used in conjunction with ELECTRA-flo Probe(s). One Transmitter can receive up to 32 individual flow sensors measuring a single ducted airflow or fan. The Transmitter's microprocessor averages flow and temperature signals from all sensors and outputs an analog signal and local display of these averages.

  • Page 9: Section 2 - Performance Specifications

    10' length standard with optional 50' and Circuit Protection. 100' lengths. Power input is isolated, fused, and reverse polarity protected. Temperature Limits. –20ºF to 180ºF Storage –20ºF to 140º Operating Humidity Limits. 0 to 95% RH, non-condensing. Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)

  • Page 10: Section 3 - Features

    U.S. or S.I. units. Also used for configuration interface. 3.3 – LARGE OPERATION RANGE The ELECTRA-flo Thermal Air Flow System can maintain accurate and linear output of flows from 0 to 5,000 FPM. 3.4 – ENCLOSURE The ELECTRA-flo Thermal Air Flow Transmitter is housed in an aluminum NEMA 1 enclosure with hinged front cover for access to power and signal terminals for field connection.

  • Page 11: Section 4 - Installation

    Information Sheet" provided separately), and requires no field calibration/verification prior to installation. 4.2 – LOCATION • The standard version of the ELECTRA-flo Transmitter is a NEMA 1 enclosure suitable for most clean indoor locations. If additional protection is required, mount the Transmitter in an enclosure with adequate NEMA rating.

  • Page 12: Mounting

    – Tools Required: Electric drill; #25 (0.1495") bit; screwdriver or nutdriver; and four #8-32 self-tapping machine screws. – The ELECTRA-flo can be mounted in any position provided it is secured using all four mounting holes. – Reasonable consideration should be given to clearances for electrical connections.

  • Page 13: Power/Signal Connections

    POWER 24 VAC/DC (Terminals L and N, P8). Power required by the ELECTRA-flo must be connected to the two terminals labeled L(+) and N(–). Earth ground should be connected to the terminal labeled G. Power Supply must be 20-28VAC or 20-40VDC.

  • Page 14: Section 5 - Operation

    5 – OPERATION 5.1 – INTRODUCTION The ELECTRA-flo has been configured at the Factory to customer specified parameters which are recorded on the ELECTRA-flo Factory Information Set-Up Sheet, provided separately. Review this information and verify that the ELECTRA- flo set-up is correct for your application. If any problems or discrepancies are detected, contact Air Monitor's Customer Service Department at 1-800-AIRFLOW prior to proceeding.

  • Page 15: Normal Operation

    The customer can verify configuration and change certain parameters (within defined ranges) by entering the ELECTRA- flo Configuration mode. This is accomplished using the four membrane pushbuttons located on the ELECTRA-flo cover. See Figure 4.1 for location of pushbuttons.

  • Page 16: Pushbutton Definition

    SECTION 5 – OPERATION 5.5 – PUSHBUTTON DEFINITION The four pushbuttons used to interface with the ELECTRA-flo are as follows: In addition to use during Configuration programming, pushbuttons can be used for certain functions when in the Normal operation mode. The following list describes the pushbutton function when in the Normal operation mode and in the User Setup (programming).

  • Page 17: Configuration Programming

    Turns K-factor ON or OFF and allows for the calculation or selection of gain and bias values. Operator Menu Exit Returns display to Normal operation. 5. Once the desired selection is displayed, press to enter its sub-menu. Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)
  • Page 18 The remainder of this Section details steps to verify or change Configuration Programming of all Operator Menu Selections. At any time while in the Operator Menu, User can return to Normal operation mode by pressing or scrolling to: OPERATOR MENU and pressing EXIT Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)

  • Page 19: Operator Password Selection

    Bypass Password if desired. 6. Follow Steps 3 and 4 to make changes. 7. To return to Main Menu, select Return to MAIN MENU in the Operator Password Selection menu, and press Air Monitor Corporation ELECTRA-flo - IO&M Manual...

  • Page 20: Flow Configuration

    5.8 – FLOW CONFIGURATION This Operator Menu selection is where all application specific data is entered to configure the ELECTRA-flo for a unique application. Typical data includes: Units of Measure, Duct Type and Size, Flow Type, Units and Conditions, and Output Lockdown.
  • Page 21 Normal meters per second SCFM Standard cubic feet per minute SCFH Standard cubic feet per hour Sl/s Standard liters per second Sl/m Standard liters per minute Sm3/h Standard cubic meters per hour Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)

  • Page 22: Display Configuration

    Line 2 Custom Text Character Chart for selection TEMPERATURE, Line 3 Parameter CUSTOM TEXT, TEMPERATURE or VELOCITY see ASCII Line 3 Custom Text Character Chart for selection Return to MAIN MENU Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)
  • Page 23 10. Repeat Steps 6 through 8 for Line 3. The only differences being the change of Line # in the display. Return to 11. After Line 3 has been set, Step 9 will yield a display: MAIN MENU 12. Press to return to Main Menu. Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)
  • Page 24 Jumps up five characters at a time, to the desired character. Jumps down five characters at a time, to the desired character. ASCII Character Chart < ‘ " ’ > → & ¥ ’ Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)

  • Page 25: Output 2 Parameter Selection

    Step 1. Note: If user desires not to change the setting and return to Output 2 Parameter menu, press . Unit will remain programmed as it was originally. Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)

  • Page 26: Low Pass Filter

    - Output 2 Span Selection - Return to MAIN MENU Note: Unit is supplied Factory calibrated. This section can be accomplished with the ELECTRA-flo mounted in its operating location or at a test bench in a calibration lab. Required Equipment.
  • Page 27 4. Connect a DMM set for type and scale of Transmitter Output 1 (see Factory Set-Up Information Sheet, provided separately) across terminals 1 and 2 on the ELECTRA-flo (see Figure 4.2). Note: If the output is 4-20mA, a load resistance should be in series with the DMM. This can be accomplished by connecting the actual process load or a resistor of similar value to the actual process load.
  • Page 28 8. With DMM still connected as in Step 4, reading should be at maximum value; 10.00 ± 0.01 volts, 5.00 ± 0.01 volts, or 20.00 ± 0.1mA. 9. If DMM is reading out of tolerance, use to adjust the ELECTRA-flo's output for an acceptable DMM reading. 10. Once an acceptable span reading is obtained, press...

  • Page 29: K-Factor Configuration

    0.400 to 5.000 * 1.000 0.001 increments K- Factor Bias -25.00 to 25.00% 0.00 % in 0.01 increments *Available range depends Return to on operating span versus MAIN MENU natural span. Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)
  • Page 30 6. Follow Step 4 to make any changes to parameters. Return to MAIN MENU in parameter menu and press 7. To return to Operator menu, select Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)

  • Page 31: Section 6 - Supervisor Menu

    Power Cycle Sensor Network Allows for the cycling of power to the sensors. Supervisor Menu Exit Returns display to Normal operation. Once the desired selection is displayed, press to enter its sub-menu. Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)

  • Page 32: Supervisor Password Selection

    Bypass Password if desired. 6. Follow Steps 3 and 4 to make changes. 7. To return to Main Menu, select Return to MAIN MENU in the Supervisor Password Selection menu, and press Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)

  • Page 33: Sensor Management

    Sensor Management menu. Display will indicate: Þ For Active Nodes Scan Network 3. Press to enter Sensor Management menu. Display will indicate: Active Sensors: 4. Press to return to previous menu (Step 2). Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)
  • Page 34 If any active sensors have been previously disabled, they can be enabled by scrolling (using their # and pressing 13. Press to return to previous menu (see Step 11). Disable Sensor 14. Press and display will indicate. Þ Selection Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)
  • Page 35 20. Either scroll to exit (after #32) or press to return to previous menu (see Step 15). Return to 21. Press and display will indicate. MAIN MENU 22. Press and display will return to Main Menu. Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)

  • Page 36: Diagnostic Display Selection

    . Display will indicate: Sensor Number: 1 VELO XXX SFPM TEMP XX.X ”F to scroll through all active sensors. 4. When done, press and display will return to previous menu (see Step 1). Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)

  • Page 37: Diagnostic Alert Determination

    Note: Only sensors with an existing fault will be displayed with its fault code. 4. When done, press and display will return to previous menu (see Step 1). Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)
  • Page 38 Temperature has over-ranged Velocity and Temperature have over-ranged Velocity and Volume have over-ranged Velocity, Volume, and Temperature have over-ranged 4. When done, press and display will return to previous menu (see Step 1). Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)

  • Page 39: Power Cycle Sensor Network

    Output 2 has over-ranged OVR-V Average Velocity has over-ranged OVR-F Average Volume has over-ranged OVR-T Average Temperature has over-ranged 4. When done, press and display will return to previous menu (see Step 1). Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)
  • Page 40 Transmitter will cycle power and scan active sensors and enabled sensors, similar to when power is first turned on (see Section 5.2). 5. Press to return to previous menu (see Step 1). Air Monitor Corporation ELECTRA-flo - IO&M Manual 116-053-00.P65 (7/06)

  • Page 41: Section 7 - Maintenance

    SECTION 7 – MAINTENANCE 7 – MAINTENANCE The ELECTRA-flo is a solid state device having few mechanical parts requiring special periodic maintenance. The following maintenance steps are not requirements, but guidelines for establishing a maintenance program for your specific installation.

  • Page 42: Section 8 - Customer Service

    ELECTRA-flo SECTION 10 – CUSTOMER SERVICE 8 – CUSTOMER SERVICE 8.1 – CUSTOMER SERVICE/TECHNICAL SUPPORT Air Monitor Corporation provides in-house technical support for our products: Monday through Friday 7 am to 5 pm (pst) Phone: 707-544-2706 or 1-800-AIRFLOW Fax: 707-526-2825 Additionally, on-site technical assistance is available.

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