York MILLENNIUM YCAS, Installation Operation & Maintenance

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140 YORK INTERNATIONAL
tion of the chiller under most operating conditions. This
allows quick start-up programming for typical chilled
water applications.
To program the default values into memory, first press
the PROGRAM key followed by the ENTER key, to
program the "refrigerant type". Press the Program key
again, key in the numbers “6140”, then press Enter. As
the code is being keyed in, the digits are not displayed
but are shown as " * " as shown :
When the Enter key is pressed, the following message
will appear:
Key in a “1” for if default setpoints are required, or a
“0” for individually programmed values, then press En-
ter to store the selection into memory.
P R O G R A M M O D E
* * * *
D E F A U L T S E T P O I N T S ?
1 = Y E S , 0 = N O, 1
P R O G R A M O P T I O N S S E T
T O D E F A U L T V A L U E S
Discharge Pressure Cut-Out R22 (28 bar) 399PSIG
Low Ambient Cut-Out Std. Amb. -4ºC 25°F
Low Amb. -4ºC 25°F
High Ambient Temperature Cut-Out 38ºC 130°F
Discharge Pressure Unload R22 26 bar 375PSIG
High Motor Current Unload 100%
Anti-Recycle Timer 600 sec.
Leaving Chilled Liquid Temp Cut-Out 2ºC 36°F
Suction Pressure Cut-Out R22 3 bar 44PSIG
6140
Programmable Value Default
Setting
If individual programming is selected, the display will
now return to the Status display. If a default setpoints
have been selected, the display will momentarily display
the message shown below before returning to the Sta-
tus display :
It is often easier to select Default
Setpoints and then reprogram a few
that require changing rather than pro-
gramming each individual value from
scratch.
A list of the default values entered into memory, if this
program option is selected, is shown below:
Micropanel