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Hitachi PSC-A1T Technical Catalogue

Hitachi PSC-A1T
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8
8.1.5 Operation
Setting the current date and time
NOTE
During the setting mode or the timer pause mode, the setting of the present time is not available when depressing the “PRESENT”
switch more than 3 seconds.
The control timer contains the battery, therefore, the clock keeps on working for 2 weeks after the power failure. If the power failure
continues for more than 2 weeks, set the present time again.
<Example> Condition / Present Day: Friday, Present Time: 5:15PM
Supplying power to the unit.
CAUTION
The unit should be powered for at least 12 hours before starting it up to protect the compressor.
Do not interrupt the electrical current while the air conditioning system is in use.
The diagram on the right shows the current time set to 0:00 AM on “Sunday”. (When the power is
switched on, the current time is not set).
Press and hold the “PRESENT” button for at least 3 seconds.
The screen will switch to the current hour setting mode, and the SET indicator and ▼ symbol will ash.
The diagram on the right shows a case in which neither the "ON" time nor "OFF" time are set
.
Set the current day by pressing the “DAY” button.
Press the “OK” button after setting the current day; the ▼ sign will switch on and the time indication will
ash.
The diagram on the right will show the day setting as Friday.
Set the current time by pressing “HOUR/MINUTE” or .
Press the "OK" button after setting the current time; the minute indication will ash.
The diagram on the right shows the hour set to 5 PM.
NOTE
12:00 AM is shown as 00:00 PM
Turned ON
Set the current minutes by pressing “HOUR/MINUTE” or .
Press "OK" after setting the current minutes; the current day and time will be set and the time setting
mode will switch to monitor mode. The minute indication will switch on and "SET" will go off.
The diagram on the right shows the minute setting at 15.
Turned OFF
Turned ON
Changing weekly schedule mode (A or B)
There are 2 modes (A and B) set for the weekly schedule. For each mode, three run times and three stoppage times can be set per
day.
They are used for selecting the mode to be set and used.
Modes A and B can be used to set weekly or seasonal operating schedules.
Press the “SET/MONITOR” button.
The remote control timer will switch to setting mode and the "SET” indication will appear.
Turned ON
Press the “A/B” button.
Setting mode is changed (from A to B) by pressing A/B button.
The diagram on the right shows the selection of setting mode B.
Turned ON
8 Control support devices
PSC-A1T
TCGB0106 rev.0 - 12/2014
703

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Hitachi PSC-A1T Specifications

General IconGeneral
BrandHitachi
ModelPSC-A1T
CategoryController
LanguageEnglish

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