Alfa Laval AquaFirst
Installation, service and operating instruction
43
14.1 Open the control box
Remove the front panel by turning the lock button counter clockwise and lift up
the cover.
Picture 24
Unscrew the two screws in bottom and lift up the black panel.
Picture 25
14.2 Change fuses
The control box is fitted with a set of fuses to protect the different components against overload.
Extra fuses are included in the control box for quick servicing.
The service work must be carried out by an authorized service technician.
Turn off the power supply before starting to work.
Picture 26
F5 Fuse F5
1
Led 1, lit when pump P1 is power supplied
F1 Fuse F1
2
Led 2, lit when pump P2 is power supplied
F2 Fuse F2
3
Led 3, lit when pump P3 is power supplied
F3 Fuse F3
4
Led 4, lit when pump P4 is power supplied
F4 Fuse F4
5
Terminal block
Fuse
FU1
FU2
FU3
FU4
FU5
Protection
PUMP 1
PUMP 2
PUMP 3
PUMP 4
Power card
Size
6.3 x 32
6.3 x 32
6.3 x 32
6.3 x 32
6.3 x 32
Rating
2,5 A
2,5 A
2,5 A
2,5 A
250 mA
Voltage
250 V
250 V
250 V
250 V
250 V
