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Cautions for Safety
Disassembly or repairs should be performed by
a specialty operator.
Incorrect disassembly or repair may lead to
abnormal operation and causes injury, fire
or electrical shock.
Request a specialty operator to perform
disassembly or repair work.
Do not absolutely perform modification.
Specified components must be used for repair.
Use of non-specified components may
cause failure of the safety stop function and
lead to burst or fire.
Consult with the distributor.
Use the piping, equipment components and tools
specifically designed for R744 (CO
Using other materials for HFC refrigerant
may cause equipment failure and serious
accident such as rapture of the refrigeration
cycle components.
Moving or Change of Installation Location
Request a specialty operator for moving or
changing the location.
Incorrect installation or moving work may
lead to malfunction such as abnormal
vibration, and generates refrigerant gas
leak, electrical shock, or fire.
Repairs
When abnormal operation was detected, or before
starting disassembly or repair, turn off the power
switch and shut off the ground fault interrupter.
Stop the compressor before disconnecting the
refrigerant piping.
refrigerant).
2
Be sure to comply with the following
Continued operation with abnormal
condition, or disassembly/repair without
shutting off the power would lead to current
leak or short-circuit and may cause fire or
electrical shock.
Disconnecting the piping while the
compressor is in operation would cause
abnormally high pressure with air intake,
and may lead to a burst or injury.
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