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9.4 Changing Ship's Power
Use correct fuse ratings.
The use of incorrect ratings may cause an equipment failure.
● ● ● ● Modify the ratings as follows according to the ship's power.
(At product delivery, a fuse of 24V is provided.)
1. Display
Three types of fuses, F1, F2, and F3, are available.
F1
: Fuse for the processing unit (10A)
F2
: Fuse for scanner unit transmitter-receiver (or less)
F3
: Fuse for scanner unit motor (or less)
A fuse for a processing unit (F1) is 10A regardless of the input voltage and scanner unit output.
A fuse for a modulator (F2) and a fuse for a scanner unit motor (F3) change according to the
input voltage as shown in the table below.
When the product is purchased, the 6.3A timelag fuse is inserted in the F2 fuse as the fuse for
12V, and the 5A timelag fuse is inserted in the F3 fuse as the fuse for 12V.
Surely exchange for the fuses suitable for the scanner unit and ship's power by using the table
below.
For NKE-2042 (4kw radome type scanner unit), fuse insertion is not necessary since F3 (fuse
for motor) is not available.
Scanner unit
Input power
model
voltage
DC12V
NKE-2042
(4kw)
DC24V/32V
DC12V
NKE-2062
(6kw)
DC24V/32V
NKE-2102
DC24V/32V
(10kw)
2. Scanner unit
No changes are made for a scanner unit.
List of fuses
F2
Rating
JRC code
6.3A time-lag
5ZFAD00543
3.15A time-lag 5ZFAD00359
6.3A time-lag
5ZFAD00543
3.15A time-lag 5ZFAD00359
5A time-lag
5ZFAD00393
149
F3
Rating
JRC code
−
−
−
−
5A time-lag
5ZFAD00393
5A time-lag
5ZFAD00393
8A time-lag
5ZFAD00544
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