Summertime - Mitsubishi Electric a2 Series Programming Manual

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2 Simple Application Controllers
3.6.5

SummerTime

The Summertime menu will display six choices when entered.
Cancel - Turns off the Summertime clock setting.
Manual On - Moves the clock one hour ahead immediately and will remain ON until cancelled.
Date Type - Set the On date, Off date, and Time adjustment.
UK Type - Last Sunday of March to the last Sunday of October.
US Type - First Sunday of April to the last Sunday of October.
EU Type - Last Sunday of March to the last Sunday of October.
The time changes for the UK timezone take place at 1:00 AM in the Spring and 2:00 AM in the
Autumn. Time changes in the US and EU setting take place at 2:00 AM in the Spring and 3:00
AM in the Autumn.
If the controller time has been adjusted for Summertime, an "s" will precede the hour number
on the display screen.
Setting the controller for Summertime operation:
1 ) From the TopMenu, scroll to "Others..." and press the "OK" key.
2 ) From the options that appear, scroll to "Summertime" and press the "OK" key.
3 ) Scroll to the desired setting (see above for information on settings).
4 ) Press the "OK" key to accept the setting.
5 ) If the display time has been adjusted, an "s" will precede the hour number on the display
screen. If the date is outside of the "summertime" range, no visible sign will appear.
Figure 3.15: Changeover Date and Time
Modes
US
EU
UK
Note:
When Summertime is in effect, the clock should not be set to the changeover time. For
example, the clock should not be set to 2:00 a.m. on March 7, 2002 when US Summertime is
enabled. There will be an error in the displayed time.
Changeover Date and Time (a.m.) for 2002
3.31.02 4.7.02
2:00 3:00
2:00 3:00
1:00 2:00
add 1 hour
S U M M E R T
System Menu 3
10.27.02
3:00 2:00
I M E 3:00 2:00
2:00 1:00
subtract 1 hour
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