5> Alarm And Communication Output - S&A CW-7500 User Manual

<5> Alarm and communication output
For ensuring the equipment will not be damaged when abnormal condition
occurs in the chiller, it has alarm protection function.
1. Alarm and MODBUS RS-485 communication output wiring diagram.
2. Working condition table of alarm signal
Unit condition
Working normally
E00、E01、E05、E06、
E07、E08、E09、E11
E02、E10、E13、E14
E03、E04
E12
Note: The flow alarm is connected to the normally open relay and normally closed
relay contacts, requiring operating current less than 5A, working voltage
less than 300V.
Built-in buzzer of
temp. controller
No Sound Disconnection
Sounds Breakover
Sounds Disconnection
Sounds Breakover
Sounds Breakover
12
OUT OUT
H1、H2 H1、H3
Breakover
Disconnection
Breakover
Disconnection
Disconnection
CW-7500 Series
ILUS
Optional
Activate after
output terminal
delaying