Hitachi RCI-1.0FSN3 Installation & Maintenance Manual page 8

4-WAY CASSETTE
NOTICE
Do not install the indoor unit, outdoor unit, remote control switch and cable within approximately 3 meters
from strong electromagnetic wave radiators such as medical equipments.
Supply electrical power to the system to energize the oil heater for 12 hours before startup after a long
shutdown.
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)
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.
the power supply for the packaged air conditioner.
NOTE
It is recommended that the room will be ventilated every 3 to 4 hours.
The heating capacity of the heat pump unit is decreased according to the outdoor air temperature.
installed in a low temperature region.
4
2-34
electric furnace, large-sized induction motor and large-sized switch.
P5414946-rev.1
TC-12001