S&A CW-5000AG - Flow Alarm and Output Ports; The Cooling Water Circulation Loop Alarm Causes

safely.
◆ Specific disconnection alarm securing protection.
◆ Enclosed water tanks, water used for a long time.
◆ Equipped with alarm output port, can quickly protect sensitive components.
◆ High cost performance, low failure rate.
Flow alarm and output ports
In order to guarantee the equipment will not be damaged while cooling water circulation is out of control, CW-5000series
chillers possesses an unique low flow alarm protection.
The cooling water circulation loop alarm causes and the work of the state table
Normal Flow
Indicator
Flow Alarm
Indicator
Buzzer
Output Ports
Hi, H2
Output Ports
H1, H3
Circulating pump
works properly
ON
OFF
NOT RING
DISCONNECTION
BREAKOVER
Blocked cooling water
circulation loop
OFF
ON
RING
BREAKOVER
DISCONNECTION
Alarm of water
shortage
OFF
ON
RING
BREAKOVER
DISCONNECTION
Faulted circulating
pump
OFF
ON
RING
BREAKOVER
DISCONNECTION
Power interruption
/
/
/
BREAKOVER
DISCONNECTION
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.