RKI Instruments RM-5000 Series Multi-Unit Case - Manual (Page 6)

2 Important Notices on Safety 2-2. Warning cases
RM-5000 Multi-unit Case - 6 -
WARNING
• Buzzer unit and indicator/alarm unit
Do not connect the multi-unit case to units other than the specified RM-5000 series
indicator/alarm unit and buzzer unit. Otherwise, the multi-unit case or equipment connected to it
may be damaged.
• Power supply
Before turning on the multi-unit case, always check that the power supply voltage is compliant
with the specifications (100 to 240 VAC +/-10%).
• Need of grounding circuit
Do not cut the grounding circuit inside or outside the multi-unit case or disconnect the wire from
the grounding terminal. In both of the cases, the multi-unit case 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 multi-unit case. Before starting the multi-unit case, check the protective
functions for defects.
• Fuse
To prevent fire, use a fuse with the specified ratings for the multi-unit case.
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 multi-unit case to external equipments or external control circuit, securely
connect it to a protective grounding circuit.
• Attaching/detaching
Attach the buzzer unit and indicator/alarm unit by inserting along the rail into the multi-unit case.
To detach them, pull them out while pressing the lock lever on the lower part of the buzzer unit
and indicator/alarm unit. The lock lever mechanism may be broken if you detach the buzzer unit
and indicator/alarm unit from the multi-unit case while they are locked. Use a correct procedure
to attach and detach them.
• Operation in a gas
Do not operate the multi-unit case in a place where combustible gases or vapors are present.
Operating the multi-unit case in such an environment will lead to extreme dangers.
2-2. Warning cases