S&A CWFL-4000 - Conductivity Meter (Optional); Conductivity Monitoring & Alarms; Alarm and Communication Output; Wiring Diagram

CWFL-4000 Series
12
<5> Conductivity meter
（
Optional
）
(1) This machine is equipped with conductivity meter to monitor deionized water,
detection range from 0.1-20μS.
(2) Alarm signal output for deionized water of over standard conductivity values
(optional).
(3) Alarm indicating for deionized water of over standard conductivity values
(optional).
<6> 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
Built-in buzzer of
temp. controller
OUT
H1、H2
OUT
H1、H3
ILUS
Working normally
No Sound
Disconnection
Breakover
E00、E01、E08、E09、
E10、E12、E13、E15
Sounds
Breakover
Disconnection
E02、E03、E11、E14、E16、
E17、E18、E20、E21
Sounds
Disconnection
Breakover
E04、E05、E06、E07
Sounds
Breakover
Disconnection
Optional
E19
Sounds
Breakover
Disconnection
Activate after output
terminal delaying
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.