5> Flow Alarm And Output Ports - S&A CW-5300 User Manual

<5> Flow alarm and output ports
In order to guarantee the equipment will not be damaged while cooling water
circulation is out of control, CW-5300 series chillers possesses an unique low
flow alarm protection.
1. Alarm output terminals and wiring diagram.
2. Alarm causes and working status table.
Display
Condition
Circulating pump works
properly
Ultrahigh room temp
Ultrahigh water temp
Ultralow water temp
Faulted room temp sensor
Faulted water temp sensor
Blocked cooling water
Alarm of water shortage
Faulted circulating pump
Chiller power failure
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.
Alarm
Buzzer
code
E1
Sounds
E2
Sounds
E3
Sounds
E4
Sounds
E5
Sounds
E6
Sounds
E7
Sounds
E7
Sounds
10
CW-5300 Series
OUT
H1、H2 H1、H3
DISCONNECTI BREAKOVER
ON
BREAKOVER DISCONNECTION
BREAKOVER DISCONNECTION
BREAKOVER DISCONNECTION
BREAKOVER DISCONNECTION
BREAKOVER DISCONNECTION
BREAKOVER DISCONNECTION
BREAKOVER DISCONNECTION
BREAKOVER DISCONNECTION
BREAKOVER DISCONNECTION
OUT