115YORK INTERNATIONAL
FORM 201.18-NM1 (102)
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
status, 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
determined by the microprocessor.
For individual system status or fault messages, the dis-
play shows information for up to two refrigerant systems.
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.
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).
Compressors Running:
This message indicates that the respective compressor
is running due to demand.
Remote Controlled Shutdown:
This message indicates that either an ISN or RCC (Re-
mote Micro Panel) has turned the unit OFF through the
RS-485 port.
UN I T SWI TCH OF F
SHUTDOWN
DA I LY SCHEDULE
SHUTDOWN
SYS # COMP RUNN I NG
SYS # COMP RUNN I NG
REMOT E CONTROL LED
SHUTDOWN
29023A
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