RKI Instruments TAN-5000 Series - Manual (Page 5)

2 Important Notices on Safety 2-2. Warning cases
- 5 - TAN-5000
WARNING
• Indicator/alarm unit
Connect the buzzer unit only to the RM-5000 series indicator/alarm unit.
Otherwise, the buzzer unit or equipment connected to it may be damaged.
• Power supply
Before turning on the buzzer unit, always check that the power supply voltage is compliant with
the specifications.
• Need of grounding circuit
Do not cut the grounding circuit inside or outside the buzzer unit or disconnect the wire from the
grounding terminal. In both of the cases, the buzzer unit will be in danger.
• Defects in protective functions
When seeming defects are found in the protective functions, such as protective grounding and
fuses, do not start the buzzer unit.Before starting the buzzer unit, check the protective functions
for defects.
• Fuse
To prevent fire, use a fuse with the specified ratings for the buzzer unit.
Turn the power switch OFF and cut the mains power before replacing a fuse.
Do not use an unspecified fuse or short-circuit the fuse holder.
For more information on fuses, please contact RIKEN KEIKI.
• External connection
Before connecting the buzzer unit to external equipments or external control circuit, securely
connect it to a protective grounding circuit.
• Response to a gas alarm
There are extreme dangers if a gas exceeding an alarm setpoint is detected. Take proper
actions based on your judgment.
2-2. Warning cases