Specifications

12 YORK INTERNATIONAL
mon start = 05:00 am stop = 07:00 pm
produce the following message:
TODAY IS DAY XX:XX AM/PM 1/1/89
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
Sunday and ending with Holiday. The display will
continuously scroll until the “DAILY SCHEDULE” key
is released.
-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 Sun-
day and ending with Holiday. The display will con-
tinuously scroll until the “DISPLAY HOLD” key is again
pressed and released, or 10 minutes have elapsed,
which ever 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
TUE START = 05:00 AM STOP = 07:00 PM
WED START = 05:00 AM STOP = 07:00 PM
THU START = 05:00 AM STOP = 07:00 PM
FRI START = 05:00 AM STOP = 07:00 PM
SAT START = 05:00 AM STOP = 01:00 PM
HOL START = 00:00 AM STOP = 00:00 PM
To Display HOLIDAY Setpoints:
Use “HOLIDAY” setpoint key as described in the begin-
ning of this section to produce the following message:
S__ M__ T__ W__ T__ F__ S__ HOLIDAY NOTED BY *
NOTE: On the days that are designated by an *, the
chiller will automatically start and stop per the
holiday schedule established in “DAILY SCHED-
ULE” setpoints.
To Display REMOTE RESET TEMP RANGE Setpoint:
Use “REMOTE RESET TEMP RANGE” setpoint key as
described above to produce the following message:
- or -
REMOTE RESET TEMP RANGE = 10 °F
REMOTE RESET TEMP RANGE = 20 °F
To Display DATA LOGGER Setpoints:
Refer to YORK Form 160.48-NO1.2 for operation of this
key.
To Display UNDERVOLTAGE Setpoints:
(Solid State Starter Applications Only)
Press “SSS MOTOR CURRENT/VOLTS” key in “PRO-
GRAM” mode to display the selected voltage range. One
of the following messages will be displayed:
- or -
SUPPLY VOLTAGE RANGE 200 – 208
- or -
SUPPLY VOLTAGE RANGE 220 – 240
- or -
SUPPLY VOLTAGE RANGE 380
- or -
SUPPLY VOLTAGE RANGE 400
- or -
SUPPLY VOLTAGE RANGE 415
- or -
SUPPLY VOLTAGE RANGE 440 – 480
- or -
SUPPLY VOLTAGE RANGE 550 – 600
SUPPLY VOLTAGE RANGE DISABLED
A special access code is required to program the Sup-
ply Voltage Range. The Supply Voltage Range is pro-
grammed at the factory and checked at system start-
up. (Note to service technician: Refer to programming
instructions in Service Instruction 160.48-M2).
To Display PURGE Setpoint:
Press “DISPLAY DATA” key in “PROGRAM” mode to
display the excess purge threshold. The following is
displayed:
MAXIMUM PURGES PER HOUR = XX