Hitachi air Core 600 Installation & Maintenance Manual page 15

Operating condition
The protective device may trip and stop if it is
operated beyond allowed temperature range.
If the air conditioner runs in "COOLING" or
"DRY" mode with door or window open for a
long time when relative humidity is above
85%, dew may drip down from the air outlet.
Features of protector
The protective device will work at following
cases:
Turning off the appliance and restarting it at
once or changing mode during operation,
will take at least 3 minutes.
Noise pollution
Install the air conditioner at a place that can
bear its weight and ensure the quiet
operation.
Inspection
After operating for a long time , the air
conditioner should be inspected for the
following items:
Overheat of the power supply cord and
plug or even a burnt smell.
Abnormal operating sound or vibration.
Water leakage from indoor unit.
Electrification of metal cabinet.
Stop the air conditioner if above trouble
occurs.
It is advisable to have a detailed inspection
after using the appliance for 5 years even if
none of the above condition occurs.
13
Safety Precautions