York YVAA Installation, Operation & Maintenance Instructions Manual page 154

SECTION 8 - MICROPANEL
The month can be selected by scrolling through the
months with the ◄ or ►arrow keys. After the month is
selected, the  (ENTER) key must be pressed to store
the data.
Pressing the ▼ (DOWN ARROW) key again scrolls
to the year:
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YEAR
The year can be selected by keying in the numerical
value to select the year. After the year is selected, the 
(ENTER) key must be pressed to store the data.
Pressing the ▼ (DOWN ARROW) key again scrolls
to the hour:
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HOUR
The hour can be selected by keying in the numerical
value for the hour. After the hour is selected, the 
(ENTER) key must be pressed to store the data.
One or two "0's" must be keyed in for
minutes 00 through 09.
Pressing the ▼ (DOWN ARROW) key again scrolls
to the minute:
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MINUTE
The minute can be selected by keying in the numerical
value for the hour. After the minute is selected, the 
(ENTER) key must be pressed to store the data.
One or two "0's" must be keyed in for
minutes 00 through 09.
Pressing the ▼ (DOWN ARROW) key again scrolls
to AM/PM:
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AM/PM ◄ ►
AM/PM can be selected by pressing the ◄ or ►
(ARROW) keys. After the meridian is selected, the
(ENTER) key must be pressed to store the data.
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Pressing the ▼ (DOWN ARROW) key again scrolls to
the time format selection:
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TIME FORMAT ◄ ►
The time format may be displayed in either a 12 hour
or 24 hour format. Selection can be changed by press-
ing the ◄ or ► (ARROW) keys. The (ENTER) key
must be pressed to store the data.
Schedule Key Operation
The Daily Schedule must be programmed for the unit
start and stop times. To set the schedule, press the
SCHEDULE key. The display will provide a message
allowing access to 2 types of schedule information:
SCHEDULE CHOOSE SCHEDULE TYPE
◄ ► XXXXXXXXXXXXXXXXXXXXXXXXX
The schedule types are:
• UNIT OPERATING SCHEDULE
• (Default selection)
• SOUND LIMIT SCHEDULE
(Only if Sound Limiting is enabled by the factory
when the option is installed.)
The schedule type (UNIT OPERATING SCHEDULE
or SOUND LIMIT SCHEDULE) may be changed by
pressing the ◄ (LEFT ARROW) or ► (RIGHT AR-
ROW) keys followed by the (ENTER) key. The se-
lection must be entered by pressing the  (ENTER)
key before a schedule display will appear.
Unit Operating Schedule
The Unit Operating Schedule is used to enable/dis-
able the chiller unit on time of day. The chiller can be
enabled and disabled once each day or it can be pro-
grammed to run continuously. Any time the daily or
holiday schedule shuts the chiller down, the running
system(s) will go through a controlled ramped shut-
down. If the UNIT OPERATING SCHEDULE is se-
lected under the CHOOSE SCHEDULE display, the
following message will appear:
SCHEDULE UNIT OPERATING
MON START = 06:00 AM STOP = 10:00 PM
The line under the 0 above is the cursor. If the start
time is wrong, it can be changed by keying in the new
time from the numeric keypad. Once the correct val-
ues for the START hour and minute are entered, press
FORM 201.28-NM1.1
ISSUE DATE: 1/31/2018
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JOHNSON CONTROLS