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OPERATING INSTRUCTIONS
CW-80S - OPERATING SYSTEM cont.
All models - CRITICAL Error Configuration
This error configuration is selected during commissioning for installations requiring strict temperature control where the
cooler shuts down under most alarm Conditions.
Item
1
One supply and / or one exhaust fan motor failure
2
Two or more supply and / or exhaust fan motor failures
3
Excessive pressure drop across air inlet filter pads - above
260Pa for more than 30 seconds
4
During pre-wet or normal sequential watering operation,
differential exhaust pressure across the core is inadequate
5
Initial filling of water tank to bottom probe takes more than
20 minutes to achieve.
6
Initial filling of water tank from bottom to either top probe
takes more than 20 minutes to achieve.
7
During pre-wet part A tank refilling to either top probe before
repeating core watering takes more than 10 minutes to
achieve
8
During pre-wet part B water level recovery back to bottom
probe following a truncated watering period takes more than
10 minutes to achieve.
9
During pre-wet part B normal filling tank to either top probe
takes more than 20 minutes to achieve.
10
During normal run water level recovery back to bottom probe
following a truncated watering period takes more than 10
minutes to achieve.
11
During normal run normal filling tank to either top probe
delays the pump start by more than 5 minutes.
12
During normal run the average of the last 4 fill to either top
probe time periods has exceeded 2.5 minutes.
13
During normal run the average of the last 4 fill to either top
probe time periods has exceeded 90 seconds.
14
CW-80S ONLY
During Direct Only operation (without Indirect Cooling)
normal filling tank to either top probe takes longer than 20
minutes.
15
Water pump overload tripped.
Water pump overload tripped.
Water pump overload tripped.
16
Chlorinator power supply output
inadequate
Chlorinator power supply output
inadequate
Chlorinator power supply output
inadequate
Event
Pump overload tripped.
Supply pump (Indirect
Core watering) requested
to run but thermal
overload has tripped.
CW-80S ONLY
Direct Water pump
requested to run but
thermal overload has
tripped.
Power supply output
inadequate
- For over 3 hours
- For over 5 days
Error
Error message on touch screen
Signal
"One supply and / or exhaust fan motor -
Critical
cooler will have reduced performance"
"Multiple supply and / or exhaust fan motors
Critical
- cooler has been shutdown"
"Air inlet filters pressure drop too high -
Warning
cooler will have reduced performance"
"Exhaust air pressure is too low - cooler
Critical
has been shut down"
"Water supply - tank filling is too slow -
Critical
cooler has been shutdown" [code 1]
"Water supply - tank filling is too slow -
Critical
cooler has been shutdown" [code 2]
"Water supply - tank filling is too slow -
Critical
cooler has been shutdown" [code 3]
"Water supply - tank filling is too slow -
Critical
cooler has been shutdown" [code 4]
"Water supply - tank filling is too slow -
Critical
cooler has been shutdown" [code 5]
"Water supply - tank filling is too slow -
Critical
cooler has been shutdown" [code 6]
"Water supply - tank filling is too slow -
Critical
cooler has been shutdown" [code 7]
"Water supply - tank filling is too slow -
Critical
cooler has been shutdown" [code 8]
"Water supply - tank filling is slow - cooler
Warning
will have reduced performance" [code 10]
"Water supply - tank filling is too slow -
Critical
cooler has been shutdown" [code 9]
"Watering system - pump overload tripped -
Critical
cooler shutdown"
"Indirect Pump checked" (Non-Supercool)
Critical
or "INDRCT PUMP" checked (Supercool)
Critical
Direct Pump checked
Warning
"Chlorinator - low power supply output"
Warning
"Preliminary warning" checked
(pulsed)
Critical
"Cooler has shutdown checked"
INSTALLATION, OPERATION & MAINTENANCE MANUAL 866600CE-B | 29
Action
Notification
Shutdown
Notification
Shutdown
Shutdown
Shutdown
Shutdown
Shutdown
Shutdown
Shutdown
Shutdown
Shutdown
Shutdown
Shutdown
Shutdown
Shutdown
Shutdown
Notification
Shutdown
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