Alphacool Eiszeit 2000, English Manual

Page: 12 / 44

12
Flow Alarm
In order to guarantee the equipment will not be damaged while cooling water circulation is out of control, the chiller has a low-fl ow alarm security
feature. The fl ow alarm is connected to the normally open and normally closed relay contacts, requiring operating current less than 5 A, working voltage
less than 300 V.
Wiring diagram - output ports
Flow alarm causes
Display
Condition
NORMAL LED ALARM LED Buzzer
OUT
H
1
, H2
OUT
H
1
, H3
pump works properly
Blocked water circulation loop
Water shortage alarm
Faulted pump
Power interruption
ON
OFF
OFF
OFF
OFF OFF
ON
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
no sound
sounds
sounds
sounds