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108
YORK INTERNATIONAL
2. STATUS KEY: GENERAL STATUS MESSAGES & FAULT WARNINGS
2.1 GENERAL
Pressing the Status key displays the current chiller or
individual system operational status. The messages dis-
played include running status, cooling demand, fault sta-
tus, external cycling device status, load limiting, and anti-
recycle timer status. The display will show one mes-
sage relating to the "highest priority" information as de-
termined by the microprocessor.
For individual system status or fault messages, the dis-
play shows information for up to two refrigerant systems.
For models with three or four systems, pressing the Sta-
tus key again will show messages for Systems 3 and 4.
The main categories of messages available using the
Status key are:
2.2
General Status Messages
2.3
Unit Warnings
2.4
Anticipation Control Status Messages
2.5
Chiller Fault Status Messages
2.6
System Fault Status Messages
These messages are described in detail below, with ex-
amples of each display. In each example "#" is used as
applicable to represent the system number where mes-
sages apply to individual systems.
29023A
2.2 GENERAL STATUS MESSAGES
Unit Switch OFF:
This message indicates that the Chiller ON / OFF Switch
on the Control Panel is in the OFF position which will
not allow the chiller to run.
Schedule Shutdown:
This message indicates that the that the chiller has been
shut down by the daily schedule programmed into the
Clock - Set Schedule / Holiday system (Section 7.3).
Remote Controlled Shutdown:
This message indicates that either an ISN or RCC (Re-
mote Control Center) has turned the unit OFF through
the RS-485 port.
U N I T
S W I T C H
O F F
S H U T D O W N
D A I L Y
S C H E D U L E
S H U T D O W N
R E M O T E
C O N T R O L L E D
S H U T D O W N
STATUS KEY
Micropanel
Summary of Contents for MILLENNIUM YCAS
Page 53: ...53 YORK INTERNATIONAL FORM 201 18 NM2 WIRING DIAGRAM ACROSS THE LINE START 7...
Page 54: ...54 YORK INTERNATIONAL FIG 12 CONTINUED ELEMENTARY DIAGRAM Technical Data...
Page 59: ...59 YORK INTERNATIONAL FORM 201 18 NM2 WIRING DIAGRAM WYE DELTA START LD03229 FIG 15 CONT D 7...
Page 60: ...60 YORK INTERNATIONAL FIG 15 CONTINUED ELEMENTARY DIAGRAM Technical Data...
Page 62: ...62 YORK INTERNATIONAL FIG 16 POWER PANEL FRONT INSIDE VIEW WYE DELTA START Technical Data...
Page 68: ...68 YORK INTERNATIONAL FIG 24 DETAIL B Technical Data...