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5 Operation
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Switching the drive
Operating with the engine
The refrigeration unit switches between the engine drive and the motor drive
by detecting automatically, at the start of operation, whether it is connected
to the commercial power supply or not.
1
Make sure that the commercial power supply is not connected to the
refrigeration unit.
NOTE
●
Engine will not start if the commercial power supply is connected to the
refrigeration unit. The unit is operated with the motor.
Operating with the motor
Use 4-core cabtyre cables (conductor cross section with 5 mm
2
or more) for power cable. Do not connect it to extension code.
Use MENNEKES Part no.6 (400V 32A) for power supply plug.
• Otherwise, it may cause an electric shock or a fire due to the
heat and breaking of wire.
Use 3-phase AC400V 50Hz for power supply.
• It may cause damage of the refrigeration unit or a fire if any
other power supply is used.
Connect the commercial power supply.
Commercial power supply icon lights.
1
Connect the socket of the refrigeration unit to the commercial
power supply.
(For the specification of power supply system, refer to
page 63.)
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