Chapter 3.
INSTALLATION, MOUNTING, WIRING
Handling Precautions
• When connecting to the pipe, be sure to check that there is no inclination
of pipes nor any pipe center line misalignment, and then install the
device. Doing so might cause leakage.
• When mounting the device, firmly fasten to prevent vibration.
• The communication line must be separated from power lines, and do not
lay in the same conduit.
Doing so might cause faulty operation.
5
CAUTION
Prevent foreign matter from entering the device.
If the rust, water droplet, oil mist or dust in the piping flows into the
device, measurement error might occur and result in damaging the
device.
If there is a possibility that any foreign matter flows into the device,
provide a filter, strainer or mist trap capable of eliminating more than
1µm foreign matter at the upstream, and periodically inspect and
replace the filter.
This device is a precision instrument. Do not drop it nor subject it to
shock. Doing so might damage the device.
When mounting the device, firmly fasten to prevent vibration.
WARNING
If this device is used with flammable gases such as natural gas,
propane or butane, mount it on the upstream side of the safety shutoff
valve.
When air gets in the pipe and an explosive mixture is produced, and if a
sensor should make a spark due to lightning or other reasons, the
mixture may explode inside the pipe.
The mass of this device is 7 to 23kg according to the model number.
Ensure to take complete precautions and care while handling for
transportation or installation. For safe handling, two or more persons
are required while handling this device.
Accidental dropping of the device on the foot might cause injury.
Do not hold the device by the converter alone. Doing so might damage
the device, or the pipe connector section may drop off.
Do not use this device or its installed pipes as a scaffolding.
Doing so might damage the device or the pipe, or might cause physical
injury.
Do not disassemble this device.
If it is disassembled when pressure remains in the pipes, the device
could be damaged or someone could be injured by flying parts.
