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3 Precaution for safety
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Modication of the refrigeration unit and specication change
Do not modify the refrigeration
unit or change the specication.
• It may cause a serious accident if
customer modify the refrigeration unit
or change the specication by himself/
herself.
Do not use any refrigerant or refrigerating machine oil other
than those specified. (
Refer to page 79.)
• Otherwise, it may cause explosion or re.
Power supply equipment
Be sure to earth the power supply
equipment to supply the electricity to the
refrigeration unit.
• It may cause an electric shock if the earthing
work is not carried out properly.
Be sure to provide a dedicated circuit
and an earth leakage breaker.
• It may cause an electric shock or a re if
there is capacity shortage of electric circuit .