5 TROUBLESHOOTING
The repair or replacement of any parts in the
system must be carried out only by qualified
personnel.
The repair or replacement of any parts in the system by unau-
thorized personnel will invalidate the product warranty.
The system must not be modified in any way.
The manufacturer disclaims any responsibility if the user
does not follow these instructions.
No liquid flow in circuit
Cause
Pump blocked.
Solution
With the tank filled and power source off, open the
unit right-hand side cover by unscrewing the two
screws at the bottom.
Partially unscrew the screw valve.
Wait for a few seconds, close the valve and the side
cover and restart the power source.
Cause
No liquid in the tank.
Solution
Refill.
Cause
Air in cooling circuit.
Solution
Connect the by-pass to the outlet connection
(blue colour) and bleed the hydraulic circuit allow-
ing the cooling fluid to emerge for a few seconds.
Cause
Cooling circuit blocked or broken.
Solution
Check the state of the connections (inside the unit)
of the hydraulic circuit.
Check the state of the torch's hydraulic circuit.
Check the condition of the coolant circuit in the cable
bundle.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
Presence of the cooling unit alarm.
Solution
Reset the alarm.
Connect a torch or the by-pass in the operating
modes requiring the cooling unit to be active.
Check the state of the connections (inside the unit)
of the hydraulic circuit.
Check the state of the torch's hydraulic circuit.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
Faulty pump.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Insufficient cooling capacity
Cause
Faulty fan.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
Cause
Faulty pump.
Solution
Replace the faulty component.
Contact the nearest service centre to have the sys-
tem repaired.
6 TECHNICAL SPECIFICATIONS
Power supply voltage U1 (50/60Hz) 3x230/400V ± 15%
Input current I1 max
Cooling power (25°C)
Type of exchanger
Nominal flow rate (QV)
Maximum pump flow rate (Qvmax) 9 l/min (50Hz) 10 l/min (60Hz)
Total head (Hmax)
Pump total head (Hmax)
Pump type
Maximum rpm
IP Protection rating
Tank capacity
Dimensions (lxdxh)
Weight
Manufacturing Standards
WU 3200
0.9A/0.5A
1100W
H2O - Air
1.5 l/min
30 m
33 m (50Hz) 44 m (60Hz)
Centrifugal
2900 9/1'
IP23S
5.5 l
705x305x250 mm
14.5 Kg.
EN 60974-2/EN 60974-10
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