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Summary of Contents for Onicon FT-3400
- Page 1 FT-3400 FT-3400 ELECTROMAGNETIC FLOW METER ELECTROMAGNETIC FLOW METER Installation and Operation Guide Installation and Operation Guide ONICON DOC-0005859 Rev.A...
- Page 2 • If the customer or any third party is harmed by the use of this product, ONICON assumes no responsibility for any such harm owing to any defects in the product which were not predictable, or for any indirect damages.
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Page 3: Table Of Contents
MECHANICAL INSTALLATION ............................ 10 3.2.1 Installation Kit ..............................11 3.2.2 ONICON Standard Installation Hardware Kit ................... 11 3.2.3 ONICON Hot Tap Installation Hardware Kit ..................... 11 3.2.4 Customer Supplied Installation Hardware ....................12 3.2.5 Confirming the Stack Height .......................... 13 3.2.6 Installing Grounding Rings and Grounding Probes ................ -
Page 4: Introduction
Circuitry within the flow meter electronics enclosure then converts the voltage to digital and analog signals that convey flow rate and total data via connecting the cable to any of ONICON’s display devices, Btu meters and/or to a data acquisition system. -
Page 5: Standard Features And Specifications
*Specifications subject to change without notice. ADDITIONAL REQUIRED HARDWARE INSERTION KIT All ONICON insertion type meters can be installed and removed via a 1” or larger full port ball valve without system shutdown. The terms “Standard” and “Hot Tap” refer to the installation method of the isolation valve kit only. -
Page 6: Additional Hardware That May Be Required
Grounding rings may be required whenever meters are installed in non-metallic or lined pipes. Grounding rings placed before and after the meter eliminate electrical noise that will interfere with the proper operation of the meter. ONICON provides grounding rings as an optional accessory. Grounding ring dimensional information and part numbers are listed below. -
Page 7: Grounding Probes
Btu meters and display modules, will be packaged and shipped separately. Confirm meter is designed for the specific application. The FT-3400 has three types of sensors (hot water, chilled water, and domestic water). The configuration sheet has the type of application as well as any peripheral information attached to the meter. -
Page 8: Installation, Removal & Adjustment
ONICON will be happy to assist with technical recommendations and to provide guidance by telephone or e-mail. On-site field engineering, installation and service is also available at additional cost. - Page 9 FT - 3400 ELECTROMAGNETIC FLOW METER For Horizontal Pipe Position Meter CLEARANCE Anywhere in Upper REQUIRED FOR 240º (All Meters) INSTALLATION FT-3400 Series 30 - 40" depending on pipe size FLOW Downstream Upstream Available Straight Run For 3” and larger pipe diameters...
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Page 10: Mechanical Installation
CAUTION ONICON insertion style flow meters must be installed through a valve assembly. Failure to do so negates the ability to remove the meter without shutting down and draining the system. It will also result in an excessive amount of stem protruding from the pipe. -
Page 11: Installation Kit
3.2.3 ONICON Hot Tap Installation Hardware Kit ONICON offers an alternative installation hardware kit when it is not practical to relieve pressure and drain the system. In this case, a 1¼” branch outlet, close nipple and 1¼” full port ball valve are installed first. Then, a hot tap drilling apparatus is used to drill a 1”... -
Page 12: Customer Supplied Installation Hardware
In these cases, it is important to confirm that the installation hardware is suitable for use with the flow meter provided by ONICON before it is installed. The installation must allow for sufficient overhead clearance to fully extract the meter and a full 1” opening in the pipe wall is required to clear the sensor head and allow for insertion. -
Page 13: Confirming The Stack Height
Prior to installing the meter, confirm that the stack height recorded on the tag is close to the actual stack height. Flow meter stems are intentionally over sized to allow for variations of at least 2” in the stack height. Contact ONICON prior to installation if there is any question regarding stack height or stem length. -
Page 14: Installing Grounding Rings And Grounding Probes
(Please note that the straight run requirements shown above are only for locating the grounding rings with respect to the FT-3400 flow meter. The complete straight run requirements for this meter are found in Section 3.1 on page 9 of this manual.) 2. - Page 15 4. Use a hot tap drilling machine with a ⅞” hole saw to drill the access hole. 5. Remove the drill and flush all debris out of the valve before installing the probes. 6. Install the grounding probes according to the instructions attached to each probe. 727.447.6140 Page 15 onicon.com...
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Page 16: Installing The Flow Meter
The clamping nut is not part of the sealing mechanism. Any leaks in this area indicate that the “O” ring is not sealing properly and you must contact ONICON for assistance. -
Page 17: Insertion Of The Meter
Step 3: Use the end of the depth gage to pierce any insulation that may be present and rest the gage on the outside wall of the pipe. 727.447.6140 Page 17 onicon.com... -
Page 18: Removal Of The Meter
“O” ring to be lubricated with silicone.) WARNING In hot water systems, even a small amount of water can cause serious personal injury. Use extra caution when working with hot water meters. 727.447.6140 Page 18 onicon.com... -
Page 19: Wiring Connections
All electrical connections to the FT-3400 must be made through the 10 ft or 25 ft cable provided with the meter. This cable is not designed to be removed in the field, and any attempt to do so will compromise the weather tight integrity of the enclosure. - Page 20 • EARTH GROUND Notes • Do not power the analog output • Flow directional contact is only available for the FT-3400-2 • Frequency output is used for ONICON peripherals • 2 mA = Alarm in the 4-20mA signal • 1 V = Alarm in the 2-10V signal •...
- Page 21 (220 VAC MINIMUM FOR VERSIONS WITH IP COMMS + 4 CHANNEL ANALOG CARD) THE SYSTEM-10 DOES NOT PROVIDE POWER TO THE F-3500 FLOW METERS. INPUT POWER FOR THE FLOW METERS MUST BE PROVIDED SEPARATELY. REFER TO FT-3400 IOM FOR ADDITIONAL WIRING INFORMATION.
- Page 22 5 FREQ1 (+) SYSTEM-1000 CAN POWER UP TO A TOTAL OF 1AMP FOR THE COMBINED CURRENT OF ALL THE ATTACHED DEVICES. SYS-1000 CAN POWER UP TO TWO FT-3400. ON 24V SYS-1000 USE TERMINAL BLACK(-) 2 24VDC(-) J14 AND J15 TO POWER OTHER AC/DC DEVICES.
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Page 23: Earth Connection
3.5.2 Earth Connection FT-3400 Electromagnetic Flow Meters are designed to detect microvolt signal levels at the electrodes located on the sensor head. These signals are generated as conductive fluids flow through the magnetic field generated by the meter. -
Page 24: Start-Up & Commissioning
Please read these helpful hints before proceeding with the start-up and commissioning procedure on the next page. 1. ONICON flow meters are individually calibrated for a particular application. Be sure to verify the pipe size and location. -
Page 25: Start-Up And Commissioning
Refer to troubleshooting guide when readings are the flow rate displayed by the inconsistent. control system. End of standard start-up and commissioning. Please contact ONICON at +1 (727) 447-6140 with any questions. 727.447.6140 Page 25 onicon.com... -
Page 26: Start-Up And Commissioning Worksheet
___________mA ___________mA __________mA 1-5 / 2-10 V signal: _________VDC _________VDC _________VDC _________VDC Scaled output interval: _____________ _____________ _____________ _____________ Calculated flow rate: _________GPM _________GPM _________GPM _________GPM Flow rate displayed _________GPM _________GPM _________GPM _________GPM by control system: 727.447.6140 Page 26 onicon.com... -
Page 27: Troubleshooting Guide
4.4.1 Earth Connections & Electrical Noise Reduction FT-3400 electromagnetic flow meters are designed to detect microvolt signal levels at the electrodes located on the sensor head. These signals are generated as conductive fluids flow through the magnetic field generated by the meter. If enough random electrical noise is present at the electrodes, it can interfere with the flow signal measurement. - Page 28 Locate a better earth connection for the flow Pipe & fluid are not con- Poor earth connection High meter. If noise level is still too high, locate a nected to earth better earth connection for the pipe or fluid. 727.447.6140 Page 28 onicon.com...
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Page 29: Warnings, Alarms & Errors
4.5 WARNINGS, ALARMS & ERRORS The FT-3400 microprocessor board is equipped with diagnostic LEDs located within the electronics enclosure. These LEDs serve as a valuable tool for monitoring the status of the meter without the need for external equipment. Additionally, the meter provides analog and digital outputs that respond to warning, alarm, or error conditions. - Page 30 Please note that prompt attention to alarms, errors, and warnings is essential to ensure the reliable and accurate operation of the FT-3400 meter. 727.447.6140 Page 30 onicon.com...
- Page 31 DC Offset • Power on the unit and the error should disappear. • Contact ONICON if the error is still present. RMA Needed. • Power off the unit • Carefully remove the electronic and check electrode...
- Page 32 POTENTIAL ISSUE POSSIBLE SOLUTIONS Nonideal flow rate condition. Contact The actual flow is greater than the Alarm High Flow ONICON if a short high flow rate test volumetric flow rate at 20 ft/s is needed. • Confirm the analog output full...
- Page 33 Warn Flow Sample Overrun 1 Warn Flow Sample Overrun 2 Sampling not optimal Contact ONICON. Warn Flow Sample Transient E Warn Flow Sample Near Full ONICON 11451 Belcher Road South • Largo, FL 33773 • USA • +1 (727) 447-6140 www.onicon.com • sales@onicon.com...
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