KROHNE OPTIFLUX 2000-4000-5000-6000-7300-IFC 300 Ex EN - Manual (Page 38)

5
MAINTENANCE AND SERVICE
38
OPTIFLUX
www.krohne.com 07/2010 - 7309482600 - AD EX IFC 300 R06 en
5.3 Replacement of mains fuse
• Pull the display unit of the mounting frame using the two metal levers left and right and turn
display unit carefully aside.
• Unscrew the two screws size M4 that hold the mounting frame with the electronics unit.
• Carefully pull the mounting frame with electronics unit almost completely out of the housing,
disconnect the long rectangular (14-pole) blue connector at the back-end of the electronics
unit. Now carefully remove the unit from the housing.
• The mains fuse is located in a fuse holder at the back-end of the electronics unit. The
specifications must be as follows:
• Reassemble the unit in reverse order.
WARNING!
Before commencing the work, refer to Before and after opening on page 37
.
Fuse type: 5 x 20 mm (H) according to IEC 60127 Fuse type: 5 x 20 mm (H) according to IEC 60127 Fuse type: 5 x 20 mm (H) according to IEC 60127 Fuse type: 5 x 20 mm (H) according to IEC 60127
Power supply Power supply Power supply Power supply Electrical data Electrical data Electrical data Electrical data
12...24 V DC 250 V / 2 A
24 V AC/DC 250 V / 2 A
100...230 V AC 250 V / 1.6 A
WARNING!
Before reassembling the unit, refer to Before and after opening on page 37
.