Safety precautions, Caution on mounting and piping, Cautions in wiring – Dwyer UXF3 User Manual
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SAFETY PRECAUTIONS
Before using this product, read the following safety precautions to ensure proper use.
The following items are necessary for safe operation and must be fully observed.
These safety precautions are ranked in 2 levels; "DANGER" and "CAUTION".
Warning/Symbol Meaning
Incorrect handling of the device may result in death or serious injury.
Incorrect handling may lead to a risk of physical damage or significant injury.
The items noted under "
" may also result in serious equipment malfunction if not fully observed,
depending on the circumstances.
All the items must be fully observed.
Caution on mounting and piping
z
This unit is not explosion-proof. Do not use it in a place with explosive
gases. Otherwise, this may result in serious accidents such as explosion,
fire, etc.
z
The unit should be installed in a place conforming to the installation
requirements noted in this instruction manual. Otherwise, it may cause
electric shocks, fire or malfunction of the unit.
z
Install the flow meter according to the following steps to prevent it from
damage, error or malfunction.
z
During installation, ensure the inside of the unit is free from cable chips
and other foreign objects. Otherwise, it may cause fire, failure or
malfunction.
z
The items under "Caution on Installation" noted in this manual must be
fully observed. Careless installation may result in trouble or malfunction of
the unit.
Cautions in wiring
z
When performing wiring termination, observe appropriate instructions to
prevent ingress by moisture, dew condensation or water leaks, follow
“Section 3.4 – Flow transmitter wiring” described in this manual.
z
Before performing the wiring work, be sure to turn OFF the main power.
Otherwise, electric shock may result.
z
Do not perform wiring work outdoors in inclement weather to prevent
insulation deterioration and dew condensation. Otherwise, malfunction or
accelelerated deterioration may result.
z
Be sure to connect a power source of correct rating. Use of improper
power sources out of rating may cause fire.
z
The unit must be grounded as specified. Otherwise, it may result in electric
shocks, malfunction, etc.
z
The signal cable and analog output signal cable should be wired as far
away as possible from high-voltage lines to prevent entry of noise signals
as it will result in malfunction of the unit.
z
To prevent malfunction of the unit, the analog output signal cable and the
power supply cable may require separate conduits.
Bulletin F-107-UXF3