KROHNE IFC 010 Converter EN User Manual
Page 51
8/1
Service 8
Cleaning the signal converter housing 8.1
Switch off power source before cleaning !
The housing of the signal converter (material: polycarbonate, PC) may only be cleaned with a
solventless detergent !
A) Fuse F1 in AC Versions 1, 2 and 3
Switch off power source before opening the housing !
Refer to Sect. 8.5 for Figs. A and B.
1)
Unscrew the 4 recessed head screws (Fig. A), and remove transparent cover from
signal converter housing.
2)
Unscrew the recessed head screw (Fig. B) and remove the black plastic cover.
3)
Take out old and insert new power fuse F1, on the left next to the green connecting
terminals. Please refer to the following table for fuse rating and order number.
4)
Reassemble in reverse order, points 2) – 1) above..
B) Fuse F1 and F2 for the DC Version
Switch off power source before opening the housing !
Refer to Sect. 8.5 for Figs. A to F.
1)
Unscrew the 4 recessed head screws (Fig. A), and remove transparent cover.
2)
Unscrew the recessed head screw (Fig. B) and remove the black plastic cover.
3)
Carefully pull out the green connecting plugs (supply power and outputs) (Fig. C).
4)
Unscrew the 2 recessed head screws (Fig. D) and remove the black metal cover.
5)
Carefully pull out the blue 9-pin plug (connection to the primary head) (Fig. D).
6)
With a screwdriver, carefully remove the 4 metal clips (Fig. E).
7)
Remove the electronics unit from the housing (Fig. F) and detach the ground conductor.
8)
Replace power fuses F1 and F2 on the power supply PCB, refer to Sect. 8.9 for illustration
of the PCB. Refer to the following table for fuse rating and order number.
10)
Reassemble in reverse order, points 7) - 1) above.
Replacement of power fuse(s) 8.2
Power PCB
Supply power
Fuse F1 (and F2)
Location and position
Rating
Order No.
of voltage selector
1. AC version
230/240 V AC
125 mA T
5.06627
115/117 V AC
200 mA T
5.05678
2. AC version
200 V AC
125 mA T
5.06627
100 V AC
200 mA T
5.05678
3. AC version
48 V AC
400 mA T
5.05892
24 V AC
800 mA T
5.08085
DC version
11-32 V DC
F1 + F2
1.25 A T
5.09080
F 1
F 1
F 1
F 1
F 1
F 1
Warning: Instrument must be properly grounded to avoid personnel shock hazard.