K-Patents DD-01 - Manual (Page 25)

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6.5. PUSH-BUTTON ASSEMBLY
Before removing the push button or the lockable Override/Automatic switch from the front panel turn the
screw 1/4 to the left, Figure 6.50. This will release the contact element.
Figure 6.50 Securing and removal of the contact element.
6.6. FUSES
The following fuses are printed on circuit board PR-7130:
Fuse F1: Microfuse IEC 127-3/1 DC Power (24 VDC) main fuse. Protects UL 198G 1A, fast
divert electronics againts wrong voltages especially from exter-
nal DC supply.
Fuse F2: 5 x 20 mm fuse
IEC 60127, 1A, fast AC supply to solenoid valves. Protects cable and coil, if faults
appear.
Fuses F3, F4: Microfuse IEC 127-3/1, Fuses protect switch of divert valve position UL 198G 63 mA,
fast feedback. Any external voltage connected to these circuits
causes fuse blow.
INSTRUCTION MANUAL FOR DD-01 DOCUMENT/REVISION: IMD 1/5
Effective: June 20, 2005