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- 6 -

Connection to an automobile battery

• Loosen the red screw on the power inverter as

much as is needed for you to be able to place
the red cable shoe of the red cable with the 
connection terminal 

with the opening under

the screw and washer.

• Turn the red screw so tight that the cable shoe

can no longer become unattached.

• Loosen the black screw on the power inverter as

much as is needed for you to be able to place
the black cable shoe of the black cable with the
connection terminal 

with the opening under

the screw and washer.

• Turn the black screw so tight that the cable shoe

can no longer become unattached.

• First connect the red terminal clamp to the plus

pole of the automobile battery and then the
black terminal clamp to the minus pole of the
battery.

Connection and operation of a

load/device

Attention!

Before connecting a load/device to the power in-
verter make sure that the on/off switch 

e

on

the device is in the position 0.
Make sure that the power of the load/device
does not exceed the maximum continuous load of
the power inverter.

• Insert the plug of the connecting load/the device

to be operated into the 220 - 240 V socket 

r

of the power inverter. 

Attention!

Do not switch on the load/device to be 
operated yet!

B

B

• Switch the power inverter on by moving the on/off

switch 

e

to the position I. If the power inverter 

is functioning properly the operation LED/Over-
load indicator 

w

will light up green.

• Now switch on the load/device to be operated.

When switched on a short signal tone can be
heard.

Note:

If a signal tone can be heard and the operation
LED/ Overload indicator 

w

lights up red the 

input voltage is too low or the power of the
load/device connected to the power inverter 
is too high.

Attention!

The power inverter is equipped with a residual
current protection switch, which by residual cur-
rents >3mA at the safety contacts of the 220 -
240 V socket, switches the power inverter off. 
If this should happen immediately remove the
device connected to the power inverter and 
under no circumstances should you connect this
device to any other power supply! The device is
defective and must be examined and if necessary
repaired by a specialist before it can be put
back into service!

Device operation information

General notes

Usually on the device's rating plate you can find 
information regarding the power consumption in
amperes (A) or the wattage (W).
Before operation make sure that the maximum power
consumption does not exceed 1,3 A and the maxi-
mum continuous load is not more than 300 W.
• Loads with a high internal resistance operate

very well with the power inverter, on the other
hand, loads with a low internal resistance, for
example heating and cooking devices have a
power consumption in watts that is too high.

IB_KH3905_BK46498_LB6_GB.qxd  08.03.2010  12:42 Uhr  Seite 6

Summary of Contents for KH 3905

Page 1: ... KH 3905 KOMPERNASS GMBH BURGSTRASSE 21 D 44867 BOCHUM www kompernass com ID Nr KH3905 01 10 V3 Power Inverter Power Inverter Operating instructions CV_KH3905_BK46498_LB6 qxd 18 02 2010 10 11 Uhr Seite 1 ...

Page 2: ...KH 3905 r e w t q A B C D CV_KH3905_BK46498_LB6 qxd 18 02 2010 10 11 Uhr Seite 4 ...

Page 3: ...6 Low battery signal 7 Changing the cable fuse 7 Handling general failures 8 Troubleshooting 8 Cleaning 9 Disposal 9 Importer 9 Warranty Service 9 Read the operating instructions carefully before using the device for the first time and preserve this booklet for future reference Pass this booklet on to whoever might acquire the device at a later date IB_KH3905_BK46498_LB6_GB qxd 08 03 2010 12 42 Uh...

Page 4: ...all parts for visible damage The safety concept of the device can only function properly when it is in perfect condition The power inverter must always be easily accessible so that in case of emergency it can be quickly disconnected from the power supply system Risk of electrical shocks Connect the power inverter only to a 12 V auto motive battery vehicle receptacle Connecting the device to a 24 V...

Page 5: ...o the device To completely disconnect the device from the vehicle power the 12 V vehicle plug must be re moved from the vehicle socket or the connection terminals removed from the automobile battery Risk of personal injury Do not operate the device if it has fallen or is damaged Have the device checked and repaired if necessary by qualified technicians Technical data DC Input Voltage 12 V Maximum ...

Page 6: ...f devices via the power inverter the vehicle socket must supply a voltage between 11 15 5 V The voltage source of the vehicle socket can be perhaps an automotive battery or a regulated DC voltage like a transformer accumulator station Before connecting the power inverter check to see that the voltage source is supplying sufficient power for operation The required power needed for operation can be ...

Page 7: ... the power inverter s 12 V connection screw t B C Diagram Cable shoe connection Connection to a 12 V vehicle receptacle Attention Do not use the power inverter in vehicles who se plus pole is connected to the vehicle body and or the chassis The positive pole must be inside the receptacle Do not use the power inverter in vehicles with positive earth receptacles Otherwise the de vice will be damaged...

Page 8: ...e position I If the power inverter is functioning properly the operation LED Over load indicator w will light up green Now switch on the load device to be operated When switched on a short signal tone can be heard Note If a signal tone can be heard and the operation LED Overload indicator w lights up red the input voltage is too low or the power of the load device connected to the power inverter i...

Page 9: ...erter switches off and the operation LED Overload indicator w lights up red Changing the cable fuse Risk of potentially fatal electrical shock Disconnect the power inverter from the power source before changing the fuse Also remove any devices connected to the power inverter The red cable with the connection terminal is equipped with a fuse When too great a load is connected to the power inverter ...

Page 10: ...ant Low battery voltage signal sounds continually Possible cause and remedy The battery is defective Replace the battery Insufficient voltage or power supply Check the condition of the in vehicle receptacle and the 12 V vehicle plug and if necessary clean these No output power Possible cause and remedy The power inverter is not fully warmed up Switch the power inverter on and off again until the d...

Page 11: ...of purchase The appliance has been ma nufactured with care and meticulously examined be fore delivery Please retain your receipt as proof of purchase In the event of a warranty claim please make contact by telephone with our Service Depart ment Only in this way can a post free despatch for your goods be assured The warranty covers only claims for material and maufacturing defects but not for trans...

Page 12: ...IB_KH3905_BK46498_LB6_GB qxd 08 03 2010 12 42 Uhr Seite 10 ...

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