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General| Brand | Spirax Sarco |
|---|---|
| Model | TVA Series |
| Category | Measuring Instruments |
| Language | English |
Specifies the intended application and compliance with directives for the flowmeter.
Details requirements for safe access and working platforms for product maintenance.
Emphasizes the need for adequate lighting during intricate work.
Advises consideration of pipeline contents and potential hazards.
Highlights environmental hazards like explosion risks, oxygen deficiency, and extreme temperatures.
Discusses evaluating system-wide effects of proposed work and avoiding system shocks.
Stresses safe isolation, venting, and depressurization of pressure systems.
Advises allowing temperature to normalize and considering protective clothing.
Reminds users to ensure suitable tools and genuine parts are available.
Addresses the need for appropriate protective clothing for personnel.
Outlines requirements for competent supervision and permit-to-work systems.
Warns about risks associated with manual handling of heavy products.
Alerts to residual hazards like hot surfaces and non-self-draining products.
Advises on protecting products from frost damage.
Mentions recyclability and expected low ecological hazard for disposal.
Instructs on providing hazard information when returning products.
Explains the TVA flowmeter's purpose and measurement capabilities for steam.
Covers procedures for receiving, inspecting, and storing the equipment.
Details the available sizes and compatible flange standards for the flowmeter.
Lists the operational pressure and temperature ranges for the flowmeter.
Provides detailed technical specifications including IP rating, power, outputs, and performance.
Specifies the type of electrical connections used for the flowmeter.
Lists the materials used for various components of the flowmeter.
Provides dimensional data and approximate weights for different flowmeter sizes.
Discusses optimal location and environmental factors to consider for the flowmeter.
Covers the physical installation procedures, including orientation and mounting.
Specifies requirements for pipework upstream and downstream of the flowmeter.
Describes how to ensure correct central placement of the flowmeter in the pipe.
Guides on installing the pressure sensor for superheated steam measurements.
Covers wiring procedures, including loop power and sensor connections.
Outlines the necessary power supply specifications for the flowmeter.
Describes the normal operating display and data navigation.
Illustrates the sequence of data displays in run mode.
Explains how errors are displayed and prioritized.
Details how to enter and navigate the commissioning menu.
Provides a visual guide for the commissioning process.
Covers basic data settings like dryness fraction, units, and pressure.
Explains options for checking serial number, zeroing, and clearing total.
Details configuration of 4-20 mA and pulsed outputs.
Covers settings for pulse output configuration, source, and width.
Explains communication settings like baud rate, type, and address.
Details configuration of the pressure sensor, calibration, and alarms.
Allows testing of display, 4-20 mA, and pulse outputs.
Configuration of output alarms, power alarms, and saturation alarms.
Allows viewing of the software version.
Describes how to change the user-defined pass code.
Explains communication protocols and setup for UART, EIA 232C.
Details the setup and connection for RS485 communication.
Covers the Modbus communication protocol and frame structure.
Explains the bit-fields used for alarm status reporting in Modbus.
Provides step-by-step instructions for replacing the display electronics.
Troubleshooting steps for a blank display on the flowmeter.
Diagnosing and resolving the 'NO SIGNL' error message.
Troubleshooting steps for the 'POWER Out' display error.
Diagnosing and resolving the 'SENSR CONST' sensor error.
Troubleshooting steps for the 'HIGH FLOW' indication.
Diagnosing and resolving constant 3.8 mA output errors.
Troubleshooting constant 22 mA output errors.
Addresses discrepancies between indicated and actual flow rates.
Troubleshooting issues with the pulse output signal.
Investigating sources of noise and vibration from the flowmeter.
Diagnosing and correcting false flow indications.
Troubleshooting communication failures with RS232/Modbus.
Troubleshooting steps when the unit shows no power or activity.
Diagnosing communication loss indicated by a single green LED.
Troubleshooting communication issues indicated by specific LED patterns.
