Hitachi airCore 700 Operation Installation Maintenance Manual page 15

(a) The outdoor unit is not on an incline.
(b) Abnormal sound does not occur.
(c) The outdoor unit will not fall down due to a strong wind or earthquake.
NOTICE
•
Make sure that the outdoor unit is not covered with snow or ice, before operation.
•
In some cases, the packaged air conditioner may not be operated normally under the following cases.
* In case that electrical power for the packaged air conditioner is supplied from the same power
transformer as the device*.
* In case that the power source wires for the device* and the packaged air conditioner are located close
to each other.
Device*: (Ex) Lift, container crane, rectifier for electric railway, inverter power device, arc furnace,
electric furnace, large-sized induction motor and large-sized switch. It consumes a large quantity of
electrical power.
Regarding the cases mentioned above, surge voltage may be inducted in the power supply wiring
for the packaged air conditioner due to a rapid change in power consumption of the device and an
activation of switch.
Therefore, check the field regulations and standards before performing electrical work in order to
protect the power supply for the packaged air conditioner.
•
If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly
qualified persons in order to avoid a hazard.
•
Means for disconnection from the supply mains, which have a contact separation in all poles that
provide full disconnection under overvoltage category III conditions, must be incorporated in the fixed
wiring in accordance with the AS/NZS 3000.
•
The appliance shall be installed in accordance with relevant local and national wiring regulations.
NOTE:
•
It is recommended that the room will be ventilated every 3 to 4 hours.
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1. Safety Summary