S&A CW-3000 - First Installation; Alarm Description; Alarm Function Codes; Circulation Loop Alarms

CW-3000 Series
5
2. The first installation
It is very simple to install this industrial cooling machine. The first time installation of the
new machine can be carried out by following steps.
1. Open the package to check if the machine is intact and all the necessary accessories are
completed.
2. Open the injection port, then add cooling water.
3. According to system conditions, connect the water inlet and outlet pipe well.
4. Plug in power, turn on the power switch. (Do not allow the water overflow)
5. Check the water level of the water tank again. (It should be 80-150cm from the surface of
water to the injection port)
3. Alarm description
（1）Alarm function
E0
E1
HH
LL
Water flow
alarm input
Ultrahigh water
temperature
Short circuit of water
temperature sensor
Water temperature
sensor open circurt
（2）Causes of the cooling water circulation loop alarm and the working condition tble.
Display
Condition
Buzzer
out
H1、H2
out
H1、H3
Normal
No voice
Off
On
Surpasses 60℃
Voice
On
Off
Flow alarm
Voice
On
Off
Faulted circuit
On
Off
Power outage
On
Off
Note: The flow alarm port connects to the normally open relay and normally closed relay contacts,
requiring operating current to be less than 3A, working voltage less than 300V.