YVAA Style A Air-Cooled Screw Liquid Chillers ... - Johnson Controls
YVAA Style A Air-Cooled Screw Liquid Chillers ... - Johnson Controls
YVAA Style A Air-Cooled Screw Liquid Chillers ... - Johnson Controls
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SECTION 8 - MICROPANEL<br />
Date/Time Key Operation<br />
When the DATE/TIME key is pressed, the chiller microprocessor<br />
will display the date and the time. This<br />
feature is useful and required for using the Daily<br />
Schedule. It is also a valuable tool for troubleshooting<br />
to allow a technician to determine the time of the fault,<br />
which is stored in the history memory buffers. When<br />
the DATE/TIME key is pressed, the first display screen<br />
shown below will be displayed:<br />
CLOCK FRI 18-JUN-2011 10:15:33 AM<br />
DAY OF WEEK ◄ ► = XXX<br />
Whenever any changes are made, the � (ENTER) key<br />
must be pressed to store the data.<br />
Pressing the ▲ or ▼ (Arrow) keys allows scrolling to<br />
the next programmed item. Pressing the ▼ (DOWN<br />
ARROW) key scrolls to the next item that can be programmed<br />
and the ▲ (UP ARROW) key scrolls to the<br />
previous item.<br />
The day of the week is the first display and can be<br />
changed by pressing either the ◄ or ► (LEFT OR<br />
RIGHT ARROW) key to select the day. After the day is<br />
selected, the � (ENTER) key must be pressed to store<br />
the data.<br />
CLOCK FRI 18-JUN-2011 10:15:33 AM<br />
DAY OF MONTH = XX<br />
120<br />
DATE/TIME AND SCHEDULE KEYS<br />
LD10605<br />
FORM 201.28-NM1.1<br />
ISSUE DATE: 8/29/2012<br />
DATE/TIME<br />
KEY<br />
SCHEDULE<br />
KEY<br />
Pressing the ▼ (DOWN ARROW) key again scrolls to<br />
the day of the month:<br />
CLOCK FRI 18-JUN-2011 10:15:33 AM<br />
DAY OF MONTH = XX<br />
The day of the month can be selected by keying in the<br />
numerical value to select the day. After the day of the<br />
month is selected, the � (ENTER) key must be pressed<br />
to store the data.<br />
A “0” must be typed in to select dates for<br />
days of the 1st through the 9th.<br />
Pressing the ▼ (DOWN ARROW) key again scrolls<br />
to month:<br />
CLOCK FRI 18-JUN-2011 10:15:33 AM<br />
MONTH ◄ ► = XXX<br />
The month can be selected by scrolling through the<br />
months with the ◄ or ►arrow keys. After the month is<br />
selected, the � (ENTER) key must be pressed to store<br />
the data.<br />
Pressing the ▼ (DOWN ARROW) key again scrolls<br />
to the year:<br />
JOHNSON CONTROLS