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KROHNE IFC 010 Converter EN User Manual

Page 51

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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.