Polar Electro D4325000 User manual

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CAR REFRIGERATOR WITH COMPRESSOR
D4325000
D4350000
D4340000

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Attention
• Before use, please read this manual carefully and keep it properly
1. Before use for the rst time, clean the inside and outside of the car refrigerator with
a damp cloth.
2. Do not ll in corrosive liquids. Do not pour liquids directly into the car refrigerator.
3. If not used for a long time, please disconnect the power supply and keep the inside
of the car refrigerator dry.
4. Please clean the inner cavity regularly to prevent odor bacteria and ensure food
safety.
• Connect the power supply
1. Find the DC power cord in the kit. Connect the DC plug to the power outlet of the
car refrigerator.
2. Car refrigerators are placed in the car (back-up, seats...).
3. Arrange the power cable according to the space inside the car. The cigarette lighter
plug is connected to the car cigarette lighter hole.
4. Press and hold the “ON /OFF” button for 3 seconds and the car refrigerator will be
ready for use.
Connect the car cigarette lighter
DC power cord
Connect the car refrigerator
Standard mode
Built in model
This product can be connected to more than one type of power supply.
The car refrigerator directly connect to 12V/24V DC power supply.
If you use 100 ~ 240V AC power, you need to buy a special “ power adapter” for car
refrigerator
Car Refrigerator Operation
Car battery protection voltage reference
Built-in ECO electronic control module can automatically monitor the car battery
voltage, Before the power consumption to affect the normal ignition of the car, the car
refrigerator will automatically disconnect the power, In that way ensure that the car
battery power will not be consumed too low and affect the normal ignition of the car.
D4325000

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Note: on the condition when the car refrigerator connects to the power and starts, OFF or ON
refers to the OFF or ON of the compressor.
Parts schematic
1. Compressor cooling hole
2. Power interface
3. Three-level switch for battery protection
4. Fuse
5. Handle
6. Digital touch screen control panel
7. Seal rubber ring
8. Refrigerator cabinet
Note: Built-in mode means the fuse and battery protection switch button built-in inside
the fridge . Adjust this button on the touch screen .
Note:
Built-in mode: means the
fuse and three-level battery
protection switch button built-in
inside the fridge.
Standard mode: means the
fuse and three-level battery
protection switch button install
outside the fridge.

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Car Refrigerator Operation
Temperature Adjustment Settings
• Press touch screen to adjust the temperature inside the car refrigerator
• Operation Method:
1. Press {On/Off} key for 3 seconds to turn on/standby the refrigerator.
2. Touch the {+ or -} key to adjust the temperature.
3. Press the {+ or -} key for a long time. The preset temperature is linearly
adjusted with a speed of 2°C. During the adjustment, the number does not icker.
4. Within 3 seconds after the operation panel has not detected any key operation, the
temperature display will stop ashing, exit the temperature setting, and save the cur-
rently set
temperature.
5. The temperature display shows the actual temperature inside the box
6. In the standby mode, only the {ON/OFF} button is on, and the temperature display
and button
light are off.
7. In working status, press {SET} key to perform MAX/ECO switching.
8. Temperature adjustment function: can be adjusted between -22 °C ~ +10 °C.
9. Temperature conversion: Press {set} and {+} 3 seconds at the same time Celsius
(°C) \
Fahrenheit (°F) temperature switch
10. Power protection mode: In the power-on state, press “Set” button for 3 seconds to
enter the battery protection setting. Click “Set” button to switch H->L>M in turns , then
corresponding gear ashes for 5 seconds, exits and saves. Recommend high level
setting for car battery.
11. Note: please adjust the refrigerator parameters while unlocking. If the refrigerator
is locked,
press “set” up for 3 seconds to unlock it.
Troubles and Troubleshooting
Advice: If an abnormal situation cannot be resolved through simple fault analysis,
please contact professional customer service for assistance.
The car refrigerator does not work
1. Check whether if the power is connected correctly or not
(If the plug is loose, positive and negative poles are reversed).
2. Check whether the power switch on the operation panel is turned on.
3. Check the cooling ventilation is normal.
4. Check whether if the fuse is blown or not.

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Poor cooling situation
1. check whether the door is closed
2. The door cover seal is damaged or deformed and the seal is not strict.
3. poor ventilation in the car refrigerator cooling.
4. improper temperature settings.
Abnormal noise
1. the place of car refrigerator is not stable.
2. hit the wall or other items.
3. internal parts loose or fall off.
The refrigerator surface condensation
1. when the ambient air humidity> 75%, the surface of the box will normally have slight
condensation.
The denition of the error code on the display
Troubles and Troubleshooting
E1
• Condition one : insert refrigerator power cord into car cigar lighter when it doe-
sn’t start . Solution: to connect the refrigerator later after the car starts.
• Condition two: the input voltage of the adapter is too low. Solution: to adjust
the battery protection level to middle or low level. If fridge still no start pro-
perly, pls use a new adapter.
E2
• E2 please replace a new fan when you conrm the fan malfunction.
E3
• Condition one : E3 appears when use fridge in car, pls shutdown fridge 5
minutes and after that, it can work normally. If it still not works after restart, it
is E1 fault, with reference to E1 Fault troubleshooting and solution.
• Condition two: E3 appears when use fridge at home, to adjust battery protection
level to middle or low level. If it still no works properly, pls use a new
• adapter.
E4
• E4 Compressor turbine speed too low. The input voltage needs to be adjusted
reconnect the power.
E5
• E5 Controller chip overheating. It needs to shut down the power of fridge for 5 mi-
nutes. After that, to check whether if it is an overheating caused by the blockage
around the vent of the compressor

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Operation Suggestions
Safety Attention
• Make sure that the power voltage connected to the car refrigerator is correct at
any time (parameter labels have car refrigerator verication voltage parameters).
• Do not pour the liquid directly into the car refrigerator.
• It is forbidden to transform refrigerators privately to avoid danger.
• Refrigerator should not be exposed to the rain
Car Refrigerator Electrical Schematic

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D4340000
Connect the car cigarette lighter
DC power cord
Connect the car refrigerator
Parts schematic
1. Compressor cooling hole
2. Fuse
3. Power interface
4. Three-level switch for battery protection
5. Handle
6. Digital touch screen control panel
7. Seal rubber ring
8. Refrigerator cabinet

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Car Refrigerator Operation
Temperature Adjustment Settings
• Press touch screen to adjust the temperature inside the car refrigerator
• Operation Method
1. Press {On/Off} key for 3 seconds to turn on/standby the refrigerator.
2. Touch the {+ or -} key to adjust the temperature.
3. Press the {+ or -} key for a long time. The preset temperature is linearly adjusted
with a speed of 4°C. During the adjustment, the number does not icker.
4. Within 3 seconds after the operation panel has not detected any key operation,
the temperature display will stop ashing, exit the temperature setting, and save the
currently set temperature
5. The temperature display shows the actual temperature inside the box.
6. In the standby mode, only the temperature display is off, the other
buttons are on
7. In working status, press {SET} key to perform MAX/ECO switching.
8. Temperature adjustment function: can be adjusted between -18 °C ~ +10 °C.
9. Temperature conversion: Press [+] and [-] 3 seconds at the same time Celsius (°C)
Fahrenheit (°F) temperature switch.
10. Power protection mode: high, medium, low three levels to protect the car battery.
We suggest to set high level of the fridge when connect with car battery. To set me-
dium and low level when with other battery.
• Temperature display area
• On/off touch screen key
• Temperature increase touch key
• Temperature down touch key
• MAX /ECO switching display area