Varec 2920 User Manual

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IOM118GVAE4318

Automation Solutions for oil & gas, defense, and aviation applications

Installation and Operations Manual

Dispatch and Fuels Accounting

2920 Float & Tape Transmitter

Precision instrument for remote monitoring of

tank level and temperature information

Table of Contents

Questions and Answers:

M
Michelle ThompsonAug 3, 2025
How to return Varec 2920 FTT to factory default settings?
- S
  sean48Aug 3, 2025
  To return the Varec 2920 FTT to its factory default settings: * Press Enter to open the Main Menu. * Press Enter to open the System Data menu. * Press Minus one time to highlight the Commands menu. * Press Minus multiple times to locate the Reset Cmd. * Press Enter to open the Reset Cmd. * The default command is No action. * Press Minus multiple times to highlight Factory Reset. * Press Enter to reset the 2920 FTT to factory settings.
P
perezericaAug 9, 2025
What to do if Varec 2920 FTT has random key presses when replacing the display cover?
- G
  guerraannAug 10, 2025
  If you experience random key presses when replacing the display cover on your Varec 2920 FTT, disconnect power from the unit before replacing the display cover. When power is reapplied, the unit will automatically re-calibrate to compensate for the cover glass.
C
Christopher ChenAug 15, 2025
How to use the display to check the transmitter level on Varec 2920 FTT?
- A
  Amber SalazarAug 15, 2025
  To check the transmitter level using the display on the Varec 2920 FTT: * On the display interface, press Enter to open the Main Menu. * Press Minus multiple times to highlight Tank. * Press Enter to open the Tank menu. * Press Enter to open Display Only. * Press Minus multiple times to highlight Level. The level displays in the units set as Level Display Units.

Varec 2920 Specifications

General

Model	2920
Manufacturer	Varec
Type	Tank Gauge
Measurement principle	Servo
Power Supply	24 VDC
Operating Temperature	-40°C to +60°C

Summary

Installation

Site Preparation Checklist

Lists essential checks before installing the 2920 FTT transmitter.

General Safety Guidelines

Provides safety information for installing the 2920 FTT in hazardous locations.

Water and Dust Ingress Protection

Details how to ensure proper sealing for water and dust protection.

Mounting

Installation Safety Guidelines

Safety precautions for personnel during the mounting process.

Mounting on a Varec Gaugehead

Procedure for mounting the transmitter on a 2500 ATG gaugehead.

Mounting on Alternate Gaugeheads

Steps for mounting the transmitter on non-Varec gaugeheads using an adapter.

Wiring

Safety Guidelines

Safety precautions for performing wiring and maintenance tasks.

Terminating System Wiring at the Transmitter

Provides wiring termination information for various inputs and outputs.

Input Power

Explosion Proof and I.S. HART

Display and Configuration Interface

Configuration

System Data

Basic Setup

Analog Input User Calibration

Analog Output User Calibration

Configuring HART Devices

Searching for a HART Instrument

Steps to search for and identify HART instruments connected to the FTT.

Verifying Communications with the HART Instrument

Configuration & Calibration — Level, Limits, and Outputs

Calibrating the Transmitter Tank Level

Procedures for setting and verifying the transmitter's tank level reading.

Calibrating Limit Switches

Steps to set and adjust limit switches for alarm activation.

Configuring Outputs

Maintenance and Troubleshooting

Checking the CPU Status

Replacing the AC Power Supply Fuse

Step-by-step instructions for replacing the AC power supply fuse.

Using ViewRTU to Troubleshoot the 2920 FTT

Guide on using ViewRTU software for diagnostics and troubleshooting.

Returning the 2920 FTT to Factory Default Settings

Procedure to reset all configuration parameters to factory defaults.

Verifying Temperature Data - Checking RTD Resistance

Specifications

Safety Approvals

Lists the safety certifications and hazardous location approvals.

I.S. HART Interface

Ordering Information

Order Code Table

Provides a comprehensive table for understanding and configuring order codes.