Safety Precautions For Installation; Safety Precautions During Operation; About This Manual - AND Explosion Protected Weighing Indicator AD-4403-FP ST Series Instruction Manual

SAFETY PRECAUTIONS FOR INSTALLATION

DANGER
CAUTION

SAFETY PRECAUTIONS DURING OPERATION

DANGER
This manual provides setup and operating instructions for the AD-4403-FP Explosion protected
weighing indicator/ ST series indicator manufactured by A&D Company limited.
Read all information carefully and be fully knowledgeable about the unit before use. And after you read,
keep this manual at hand so that you can refer to it whenever necessary.
The contents of this manual and the specifications are subject to change for improvement without
notice.
The indicator complies with "ExdIIBT5X" specifications for Explosion protected
devices. Install and use the indicator in a proper place to avoid explosion.
Environments
•
Install and operate the indicator in Zone 1 or Zone 2. Never use in Zone 0.
•
Do not install the unit in direct sunshine.
•
Avoid vibration, sudden temperature changes, wind, water, or excessive
dirt.
•
Operate in environments with temperatures of between -5°C to 40°C and
humidity of between 45% and 85% R.H. (non-condensing).
•
Mount the unit on a solid frame or wall.
Installation work
•
Do engineering work and wiring in accordance with the requirements by
laws and regulations related to hazardous area devices.
•
Only a trained professional with good knowledge of explosion protected
devices should be allowed to perform the installation work.
Grounding
•
To avoid electrical shock and accident from static electricity, plug the power
cable into a properly wired earth grounded receptacle, or ground the "E"
terminal of Power source terminals before connecting anything else to any
of the instrument binding posts.
•
Do not share grounding with other units that create electrical noise.
Power supply
•
The power source should be 100 VAC +10%/-15% specification; with a
frequency of 50 or 60 Hz. Use a stable power source free from
instantaneous dropout or noise. Sharing a power line could result in
malfunctioning.
•
Do not turn the power on until all the installation work has been completed.
Before opening the front panel
•
Turn the power off (primary power) and wait approximately ten minutes for
the electrical charge to dissipate before opening the front panel.
The front panel door is thick and heavy. Be careful not to catch your finger in
the door.
Disassembly/ Modification
Never try to disassemble or modify the unit. That may cause an explosion.
When opening the Front panel.
Cut off the main power supply and wait 10 minute before opening the front
panel to avoid an explosion.

ABOUT THIS MANUAL

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