Simrad SH80 - REV C, Installation Manual

Page: 103 / 200

Start--up procedures
87
851--164300 / C
9.3 Starting up the stand-by power supply
In order to start up the sonar units, the +24 Vdc stand-by power
supply in the Transceiver Unit must be started first.
Figure 30 The
Transceiver Unit
power system
F206
8A
F204
5A
F202
5A
SLOW
BLOW
SLOW
BLOW SLOW
BLOW
F205
8A
F203
5A
F201
5A
GND
24V
80V
5V
-5.8V
5.8V
12V
24V
STAND
BY
ON/OFF
RELAY
HV-
POWER
TRIPLE-
POWER
12V
POWER
SUPPLY
SERVICE
OFF
NORMAL
P201
L203
L204
S201
L205
MAINS INPUT
115/230V AC
(C
D6
0
72
C
)
S201
L204
L203
F201 and
F202
L205
P201
Observe the following procedure to start up the stand-by power
supply. To ensure correct operation, tick off every item when the
action has been carried out.
1 Check that the mains input connector P201 on the front of
the power supply in the Transceiver Unit is disconnected.
→
Refer to figure 30.
2 Check that the switch S201 on the front of the power supply
is set in the Off (middle) position.
3 Insert the mains fuses for the Transceiver Unit on the ship’s
mains fuse box.
4 Measure the mains voltage supplied to the Transceiver Unit.