Program Keys - York Millennium YCAS 316 Installation Operation & Maintenance

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FIG. 26 – PROGRAM KEY
PROGRAM KEY -
USER PROGRAMMABLE VALUES
GENERAL
Pushing the PROGRAM key allows the user to program
21 system operating values. These values include cut-
out points for safeties, anticipatory unload points to avoid
faults, and anti-recycle timer duration.
After the PROGRAM key is pressed, the micro will first
respond by displaying the following message:
P R O G R A M
M O D E
Press the ENTER key to access the first programmable
display.
As the 21 values are displayed, they may be repro-
grammed using the 12 Entry keys. New values will be
programmed into memory when the ENTER key is
pushed. The ENTER key must also be used to advance
the display on which the operator views the 21
programmable values.
Each time the ENTER key is pushed, the display will
advance to the next programmable value.
Some programmable values are password protected due
to their critical nature. These are identified by the absence
of the cursor when the display is viewed. Programmable
88

PROGRAM KEYS

values not password protected are identified by the
presence of the cursor under the first digit of the numerical
value. Non password protected values may be keyed in
by simply typing a new value and pressing the ENTER
key to program the new value into memory. Failure to
press ENTER will cause the new value to be lost.
To reprogram password protected values where the
cursor does not appear, the PROGRAM key must first be
pressed. The micro will respond by displaying the
following message:
P R O G R A M
To access the password protected values, key in the 4
digit code "7396" and press ENTER.
As "7396" is being keyed in, the display will show the digits
as Þs. See below:
P R O G R A M
Pressing ENTER, displays the first programmable value.
Access to password protected values is indicated by the
cursor positioned at the first digit of the numerical value.
A new value may be keyed in for each value and placed
into memory by pressing ENTER. After a new value is
entered, the display will advance to the next
programmable display.
PROGRAM
KEY
28164A
M O D E
M O D E
Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q
YORK INTERNATIONAL

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