York YCAS0130 manual Status Key General Status Messages & Fault Warnings, Micro Panel Contents

Micro Panel Contents

FORM 201.19-NM1 (204)

2. STATUS KEY: GENERAL STATUS MESSAGES & FAULT WARNINGS

2.1GENERAL

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 display shows information for up to two refrigerant systems.

The main categories of messages available using the Status key are:

2.2General Status Messages

2.3Unit Warnings

2.4Anticipation Control Status Messages

2.5Chiller Fault Status Messages

2.6System 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

2.2GENERAL STATUS MESSAGES

Unit Switch OFF:

U N I T S W I T C H O F F

S H U T D O W N

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:

D A I L Y S C H E D U L E

S H U T D O W N

This message indicates that the that the chiller has been shut down by the daily schedule programmed into the Clock - Set Schedule / Holiday (Section 7.3).

Remote Controlled Shutdown:

R E M O T E C O N T R O L L E D

S H U T D O W N

This message indicates that either an ISN or RCC (Re- mote Control Center) has turned the unit OFF through the RS-485 port.

Compressors Running:

S Y S	#	C O M P	R U N N I N G
S Y S	#	C O M P	R U N N I N G

This message indicates that the respective compressor is running due to demand.

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