Maintenance - Bosch L 309 Series Technical Information

6.

Maintenance

1070 078 131-104 (00.05) GB
Power Supply Module
The power supply module is maintenance-free. However, a faulty connection or
mains overvoltages can cause an activation of the protective fuses in the device. If
necessary, these can be replaced by the customer himself.
Any other defects should be remedied by the manufacturer.
WARNING!
- Danger of life through electrical voltage!
!
Disconnect the power supply module from the mains before locating faults or
replacing fuses!
CAUTION!
- Danger of personal injury or damage to property!
!
Only use the fuse types and ratings specified. Fuses must not be bridged!
The following fuses may be used:
F1: M 1.25 A
F2: M 2.5 A
F3: M 4 A
F4: FF 6.3 A 500 V 6.3 x 32 mm
F5: FF 6.3 A 500 V 6.3 x 32 mm
F6: FF 6.3 A 500 V 6.3 x 32 mm
F1
Type L 309
27 V A.C. output voltage (X1/1)
24 V D.C. output voltage (X1/8)
rectifier
24 V D.C. output voltage)
mains transformer primary input (L2)
mains transformer primary input and
measuring transformer primary input
(L1*)
measuring transformer primary input (V)
F2
F3
F6 F5
F4
Maintenance
input (for generating the
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