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Johnson Controls YORK YLAA0189SE - CLOCK Key

Johnson Controls YORK YLAA0189SE
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When MANUAL PUMP No 1 or 2 is selected the
selected pump is the only pump available to run.
No hot gas bypass systems are fitted to this range of
units.
8.2 CLOCK Key
Pressing the 'CLOCK' displays the current day, time,
and date. It is important that the date and time are
correct, otherwise the daily schedule will not function as
correctly. In addition, for ease of troubleshooting via the
History printouts, the day, time, and date should be
correct.
To change the day, time, and date press the 'CLOCK'
key. The display will show:
The cursor is positioned under the day. Pressing the 'UP
ARROW' or 'DOWN ARROW' will change the day. The
'ENTER/ADV' key must be pressed to enter the value
into memory and to move to the next value. The hour,
minute, meridian, date, month and year may be
programmed in the same manner.
Jumper J11 on the microprocessor board
must be set to the 'CLKON' position to turn on
the clock. If this is not done the clock will not
function.
1-33
Form 201.26.OI1(11/09)
HOT GAS BYPASS TYPE
NONE
TODAY I S TUE 17: 15PM
14 DEC 99

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