Icom PS-250 User manual

INSTRUCTIONS
DC-DC POWER SUPPLY
PS-250
Thank you for purchasing the PS-250 DC-DC POWER
SUPPLY.
Please read these instructions and transceiver’s
instruction manual carefully before installation and
operation.
qDC power cable ..........................................................1
wTerminals ....................................................................4
eSelf-tapping screws (M5×20 mm) ...............................4
rSpring washers ...........................................................4
tFlat washers................................................................4
• RNEVER apply AC voltage to the DC input terminals
on the rear panel. This could cause a fire or damage the
power supply.
• RNEVER apply more than 32 V DC to the DC input ter-
minal on the rear panel. This could cause a fire or dam-
age the power supply.
• RNEVER connect the power supply to a DC power
source using reverse polarity. This will damage the power
supply.
•RNEVER let metal, wire or other objects touch any in-
ternal part or terminals on the rear panel of the power
supply. This may result in an electric shock.
•RNEVER open the bottom cover. There are no user
adjustment points. Opening the case may expose you to
electric shock and incorrect reassembly may cause a fire
hazard.
•RNEVER expose the power supply to rain, snow or any
liquids.
• DO NOT use or place the power supply in areas with
temperatures below –15°C or above +55°C.
• DO NOT use chemical agents such as benzine or alco-
hol when cleaning, as they can damage the power sup-
ply’s surfaces.
•DO NOT place the power supply against walls or put
anything to behind the power supply. This will obstruct
heat dissipation.
• BE CAREFUL! The surface will become hot when oper-
ating the power supply continuously for long periods.
•KEEP the power supply out of the reach of children.
IMPORTANT!
The connected transceiver may receive switching noise
from this power supply depending on the antenna used
and/or installing conditions, etc.
SUPPLIED ACCESSORIES
e r t
w
q
PRECAUTIONS PANEL DESCRIPTIONS
• Front Panel
OFF
ON
PS-250
DC DC POWER SUPPLY
-
wq
qPOWER INDICATOR
Lights green during the power supply is turned ON.
wPOWER SWITCH
Toggles to turn the power supply ON or OFF.
• Rear Panel
q w e
qDC POWER INPUT TERMINALS
Connect the 12 V/24 V storage battery or 10.8 V to
31.2 V DC power supply through the supplied DC
power cable.
wDC POWER OUTPUT TERMINALS
Connect to the IC-GM651 through the DC power cable
supplied with IC-GM651.
eGROUND TERMINAL
Connects this terminal to ground to prevent electrical
shocks.

• Mount the power supply securely with the four supplied
screws (M5×20 mm) to a surface which is more than 10
mm thick and can support more than 5 kg.
CAUTION: KEEP the power supply at least 1 meter
away from your vessel’s magnetic navigation compass.
1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003, Japan A-6654H-1EX Printed in Japan
© 2008 Icom Inc.
12 V/24 V battery
or PS-240
PS-250
IC-GM651
KEEP the terminal guard
attached after connecting
cables.
Supplied with
IC-GM651
Supplied with
PS-250
Fuse rating: 15 A
GND
Terminal guard
Detach the terminal guard first.
DC IN
12V/24V
DC OUT
12.5V
CONNECTIONS
Flat washer
Spring washer
Self-tapping
screw
INSTALLATION
• DC input voltage : 10.8 V to 31.2 V DC
• Output voltage : 12.5 V DC
• Maximum output current : 5.3 A (nominal)
• Usable temperature range : –15°C to +55°C
• Dimensions : 250(W)×67(H)×200(D) mm
(projections not included)
• Weight (approx.) : 2.1 kg
SPECIFICATIONS
Icom, Icom Inc. and the logo are registered trademarks of Icom Incor-
porated (Japan) in the United States, the United Kingdom, Germany,
France, Spain, Russia and/or other countries.
All other products or brands are registered trademarks or trademarks of their
respective holders.
One fuse is installed in the supplied DC power cable. If a
fuse blows or the power supply stops functioning, track
down the source of the problem, if possible, and replace
the damaged fuse with a new, rated one.
Fuse rating: 15 A
FUSE REPLACEMENT