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Intro

Operation

Customer
Assistance

Warranty

Notes

Notice

Main Icons

Secondary Icons

Caution

Warning

Installation

Intro

Operation

Customer
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Warranty

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Installation

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CAUTION We recommend a main fuse in the
battery’s positive cable to protect against DC 
wiring short circuits (external to the inverter). 
The fuse should be as close to the battery as
possible. We recommend a Buss Fuse ANL-250 
or equivalent. The specific fuse ampere rating
should be sized to allow operation of all your 
DC powered equipment.

CAUTION Remove any jewelry (watch, ring, etc.). 
Be careful not to short circuit the battery with any
metallic object (wrench, etc.).

WARNING If you are making a permanent AC
connection to the inverter, make sure that the AC
wiring steps are performed before any DC wiring is
done. (DC hook-up energizes internal components,
regardless of the position of the On/Off Switch).
Working on AC connections in such a circumstance
may result in an electric shock.

WARNING 115 volt AC power is potentially lethal. 
Do not work on AC wiring when it is connected to 
the inverter (even if it is switched off) unless the 
DC power source is physically disconnected from 
the inverter. Also, do not work on AC wiring if it 
is connected to another AC power source such 
as a generator or the utility line.

WARNING You may observe a spark when 
making the connection because current can 
flow to charge the capacitors in the inverter. 
Do not make this connection in the presence 
of flammable fumes. 
Explosion or fire may 
result. Thoroughly ventilate the battery
compartment before making this connection.

b. Connect the cable from the Positive (Red) Terminal

of the inverter to the Positive Terminal of the power
source (the battery’s main fuse or the battery selector
switch, if you are using one). Make a secure connection.

You might observe a spark when you make this connection
since current can flow to charge capacitors in the inverter. 

All power connections to your Cobra inverter must 
be Positive to Positive and Negative to Negative.

CAUTION Electrical installations must meet 
local and national wiring codes, and should be
performed by a qualified electrician.

CAUTION Do not connect the inverter and another
AC source (such as a generator or utility power) 
to the AC wiring at the same time. The inverter 
will be damaged if its output is connected to AC
voltage from another source. Damage can even
occur if the inverter is switched off.

CAUTION Do not connect the inverter to an AC
branch circuit that has high-power consumption
loads. It will not operate electric heaters, air
conditioners, stoves, and other electrical 
appliances that consume more than 1500 watts.

CAUTION Loose connectors result in excessive
voltage drop and may cause over heated wires 
and melted insulation.

CAUTION Reverse polarity connections (positive 
to negative) will blow internal fuses in the inverter
and may permanently damage the unit. Such damage
is not covered by the warranty.

11

Nothing 

Comes Close to a Cobra

10

Connect Cables

Connecting Cables

Connecting Cables

Intro

Operation

Customer
Assistance

Warranty

Notes

Notice

Secondary Icons

Caution

Warning

Installation

Installation

Intro

Operation

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Installation

10275_CPI1575_PH3  8/14/07  8:38 AM  Page 10

Summary of Contents for CPI 1575

Page 1: ...further assistance after reading this manual Cobra Electronics offers the following customer assistance services For Assistance in the U S A Automated Help Desk English only 24 hours a day 7 days a we...

Page 2: ...Thanks to You A1 Customer Assistance A1 Product Features A2 Important Safety Information 1 Quick Evaluation Before Installation 4 Installation Installation Requirements 6 Mounting 7 Connecting Cables...

Page 3: ...tements in the manual CAUTION Statements specify conditions which could cause damage to the unit or other equipment WARNING Statements identify conditions that could result in personal injury or loss...

Page 4: ...ery chargers for battery packs used in hand power tools These chargers have a WARNING label stating that dangerous voltages are present at the battery terminals This problem does not occur with the va...

Page 5: ...ce connection For example if the power source is a battery the cable must be terminated with a battery terminal that clamps to the post on the battery Power Source A test load that can be plugged into...

Page 6: ...lt CAUTION The inverter must only be connected to batteries with a nominal output voltage of 12 volts It will not work with a 6 volt battery and will be damaged if it is connected to a 16 volt battery...

Page 7: ...ry 1 Press the Power Button on the inverter to the off position If the power source is a DC power supply switch it off as well 2 On the end of the cable that connects to the inverter strip back the in...

Page 8: ...result Thoroughly ventilate the battery compartment before making this connection b Connect the cable from the Positive Red Terminal of the inverter to the Positive Terminal of the power source the ba...

Page 9: ...ed running time in hours Power x Operating Time Watt Hours 4 Divide the watt hours by 10 to determine how many battery 12 volt ampere hours will be consumed Ground Wiring There is a screw on the rear...

Page 10: ...amperes from the battery This is low current draw It would take more than a week to discharge a 100 ampere hour battery at this rate depending on the age of the battery Remote On Off Switch An optiona...

Page 11: ...utput of the inverter is short circuited for one second or more it will shut down to protect itself The meter will flash as shown to indicate Short Circuit Protect and an alarm will sound To restore n...

Page 12: ...over discharged It will restart when the input voltage exceeds 12V 0 3V The inverter will also shut down if the input voltage exceeds 15 5V 0 5V This protects the inverter against excessive input vol...

Page 13: ...es as the load increases The unit is completely insulated in input and output for added safety Troubleshooting Guide Intro Operation Customer Assistance Warranty Notes Notice Main Icons Secondary Icon...

Page 14: ...rning Installation Customer Assistance Limited Two Year Warranty For Products Purchased in the U S A Cobra Electronics Corporation warrants that its Cobra power inverter and the component parts thereo...

Page 15: ...om the main menu 8 00 a m to 6 00 p m CT Monday through Friday Make check or money order payable to Cobra Electronics Attn Accessories Dept 6500 West Cortland Street Chicago IL 60707 USA To order onli...

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