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DF MANUAL SERVICE

Manual version 2.0 (26-10-2012) en-39

2. Remove the control PCB 2.

3. Disconnect all unit-connected connectors and grounded

connections from the printed circuit board.

For electrically heated units:

1. Disconnect all connectors and earth contacts connecting

the unit and control PCB 1.

2. Remove the control PCB.

See also:

6.2.2 "Opening the unit" on page 37

6.3 Fuses

The unit’s control PCB has two fuses – 1 and 2. Values have

been marked on the PCB.

6.4 Temperature cut-out

Electrically-heated models only:

The unit has been fitted with a temperature cut-out to pre-

vent overheating.

For the following types: DF S-250-E, M-250-E, L-250-E

These units have two temperature cut-outs. These protect

each section of the unit and can operate independently of one

another.

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Biddle DF Spezifikationen Seite 39