Bosch EPS 708 Repair Instructions page 62

en 62 | EPS 708 | Repair
Installing the time delay relay K9
Range
Range
10s
10s
Time 1
Time 1
Fig. 111: Time relay K9
1. Set the delay time to 10 seconds on the time relay
K9 (see Fig. 111). Set the "Range" to 10 s and the
"Time" fine adjustment to 1.
2. Attach the time relay K9 (Fig. 112, item 1) to the top
hat rail of the adapter plate.
3. Attach cover (Fig. 112, item 3) to the protective con-
ductor terminal (Fig. 112, item 2).
4. Attach protective conductor terminal
(Fig. 112, item 2) to top hat rail of the adapter plate.
Fig. 112: Installing the time relay K9 and protective conductor
terminal
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2
Connecting the protective conductor
i
Follow the supplied circuit diagram 1 689 911 487.
RUN FWD REV
POWER
5
4
Fig. 113: Protective conductor connection
1 Protective conductor terminal
2 Threaded bolt M6
3 Single-core cable GN/YE 4 mm² x 150 mm with 2 x eyelets
4 Single-core cable GN/YE 2.5 mm² x 600 mm with 2 x end ferru-
les
5 Protective conductor bar
1. Connect the single-core cable GN/YE (Fig. 113,
item 4) to the protective conductor terminal (Fig. 113,
item 1).
2. Connect the other end of the single-core cable GN/
YE (Fig. 113, item 1) to the protective conductor
terminal 1.2 (see Fig. 103, item 3).
3. Connect the single-core cable GN/YE (Fig. 113,
item 3) to the threaded bolt (Fig. 113, item 2) with a
washer, circlip and hex nut M6.
4. Connect the other end of the single-core cable
to the protective conductor bar of the frequency
converter (Fig. 113, item 1). Use the fastening screw
screwed into the frequency converter.
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458859-16_Pal
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Robert Bosch GmbH