York MILLENNIUM YCAS 250, Manual

Page: 136 / 196

136
YORK INTERNATIONAL
29023A
CHILLER CONTROL PANEL
PROGRAMMING AND DATA ACCESS KEYS
CLOCK
SETPOINTS
PROGRAM &
SETUP KEY
ON / OFF
DISPLAY
INFORMATION KEYS
STATUS
PRINT
DISPLAY AND STATUS INFORMATION KEYS
Status Key - see Section 2
This key provides a display of the current operational
and/or fault status of the chiller or individual refriger-
ant systems.
Display Keys - see Section 3
Each key provides a real time display of commonly re-
quired information about the chiller and individual sys-
tem operating conditions and settings.
Print Keys - see Section 4
These keys allow control panel display or remote print-
out of both current real-time operating and programmed
data as well as fault history data from recent safety shut-
downs.
ON / OFF ROCKER SWITCH
This switch shuts down the entire chiller when placed
in the OFF position. The switch must be ON for the
chiller to operate.
PROGRAM & SETUP KEYS
Entry Keys - see Section 5
The numeric and associated keys are used for entering
data required for programming the chiller. The ENTER
and
áâ
keys are also used for scrolling through infor-
mation available after pressing certain keys.
Setpoints Keys - see Section 6
These keys are used for display and programming of
the local and remote offset chilled liquid temperature
setpoints.
Clock Keys - see Section 7
These keys are used for display and programming of
the clock and operating schedule for the chiller.
Program Key - see Section 8
This key is used for display and programming of the
chiller operational settings and limits.
DISPLAY
MicroPanel Contents