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12 YORK INTERNATIONAL
DISPLAYING SYSTEM SETPOINTS
The currently programmed Setpoint values can be
viewed at any time (see page 22) in SERVICE, LOCAL
or REMOTE operating mode as follows:
• Press and release the appropriate Setpoint key – the
message will be displayed for 2 seconds.
– or –
• Press and hold the appropriate Setpoint key – the
message will be displayed as long as the key is
pressed.
– or –
• Press and release the appropriate Setpoint key, then
press and release the DISPLAY HOLD key. The mes-
sage will be displayed until the DISPLAY HOLD key is
again pressed and released, or 10 minutes have
elapsed, whichever comes first.
To Display CHILLED LIQUID TEMP Setpoint:
Use CHILLED LIQUID TEMP setpoint key as de-
scribed on page 10 to produce the following mes-
sage:
LEAVING SETPOINT = XX.X °F
NOTE: The value displayed is the actual LCWT setpoint.
For example, the value displayed in LOCAL
or
PROGRAM modes is that which is operator pro-
grammed. The value displayed in the REMOTE
mode is that base setpoint with added tempera-
ture reset by an Energy Management System,
via remote LCWT setpoint (PWM signal) if a re-
mote reset signal was received within 30 min-
utes.
To Display % CURRENT LIMIT Setpoint:
Use % CURRENT LIMIT setpoint key as described
above to produce the following message:
CURRENT LIMIT = XXX % FLA
NOTE: The value displayed is the actual % current limit
setpoint. For example, the value displayed in
LOCAL or PROGRAM mode is that which is
operator programmed. The value displayed in
the REMOTE mode is that which has been pro-
grammed by the Energy Management System
via the remote current limit setpoint input.
If chiller is equipped with a YORK Solid State Starter,
the message is:
CURRENT LIMIT = XXX % FLA; *MTR CUR = 000 FLA
NOTE: On Solid State Starter applications, this value is
programmed at the YORK factory. A special ac-
cess code is required.
To Display PULL DOWN DEMAND Setpoint:
Use PULL DOWN DEMAND setpoint key as de-
scribed on page 10 to produce the following mes-
sage:
SETPOINT = XXX MIN @ XX % FLA XXX MIN LEFT
To Display CLOCK Setpoint (Time of Day):
Use CLOCK setpoint key as described above to
produce the following message:
TODAY IS DAY XX:XX AM/PM 1/1/92
To Display DAILY SCHEDULE Setpoints:
• Press and hold the DAILY SCHEDULE setpoint key.
The chiller start and stop times for each day of the
week are sequentially displayed, beginning with Sun-
day and ending with Holiday. The display will continu-
ously scroll until the DAILY SCHEDULE key is re-
leased.
– or –
• Press and release the DAILY SCHEDULE setpoint key.
Then press and release the DISPLAY HOLD key. The
chiller start and stop times for each day of the week
are sequentially displayed beginning with Sunday and
ending with Holiday. The display will continuously scroll
until the DISPLAY HOLD key is again pressed and
released, or 10 minutes have elapsed, whichever
comes first.
The display message for DAILY SCHEDULE will scroll
in the following sequence:
SUN START = 08:30 AM STOP = 06:00 PM
MON START = 05:00 AM STOP = 07:00 PM