Hitachi CENTRAL STATION PSC-A32MN Installations- Und Betriebshandbuch Seite 22

Operation
5.1.1 Power ON
Turn on the power supply of the air conditioners.
To protect the compressor, the power supply should be turned on 12 hours before starting operation. Do not turn the power supply
off during air conditioning seasons.
Perform a test run of each air conditioner first to ensure normal operation.
Turn on the power supply of the central station.
"Start-up" is displayed for a while during the boot process, after which the screen changes to "Monitor (All Groups)".
5.1.2 Language Setting
When turning the power supply ON for the first time, the language setting screen is displayed after a few minutes.
Select the language for operation and tap "Set".
5.1.3 Temperature unit Setting
After the language is set, the screen is displayed as shown.
Select the appropriate temperature unit, then tap "Set".
Refer to the "5.3.9.3 Temperature unit setting" section in the "5.3 Menu" chapter for detailed information.
14 PMML0332A rev.0 - 05/2015