LIBHOF Q-18 User manual

User manual
Návod na obsluhu
Руководство пользователя
ХОЛОДИЛЬНИК АВТОМОБИЛЬНЫЙ
КОМПРЕССОРНЫЙ
COMPRESSOR CAR
FRIDGE
CHLADNIČKA S KOMPRESOROM DO AUTA

Please read this operating manual carefully before starting the device. Keep it in a safe
place for future reference. If the device is passed on to another person, this operating
manual must be handed over to the user along with it.
The manufacturer can not be held liable for damage resulting from improper usage or
incorrect operation.

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1. SAFETY INSTRUCTION 5
1.1 General Safety 5
1.2 Operating the cooling device safety 7
2. COOLING DEVICE APPLICATION 8
3. COOLING DEVICE FUNCTION 9
4. DISPLAY ELEMENTS AND OPERATION 10
4.1 Display & control panel 10
4.2 Cooler device switch on/off 11
4.3 Cooling temperature setting 11
4.4 Low voltage protection battery monitor setting 11
4.5 Cooling device working mode setting 13
4.6 The explanation for the running code shown in the display screen 14
4.7 Energy saving tips 14
5. CONNECTING THE COOLING DEVICE 15
5.1 Using the fused DC plug for device connection 16
5.2 Connect to an AC power supply 16
6. USING THE COOLING DEVICE 17
6.1 Switch on the cooling device 17
6.2 Switch off the cooling device. 18
6.3 Defrost the cooling device. 18
7. CLEANING AND MAINTENANCE 19
7.1 Replacing the DC plug fuse 19
7.2 Cleaning the cooling device 19
CONTENT

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7.3 Storage the cooling device 20
7.4 Transporting the cooling device 20
8. PROBLEM SOLVING 21
9. DISPOSAL 22
10. TECHNICAL DATA 22

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1. SAFETY INSTRUCTION
1.1 General Safety
WARNING!
Do not operate the cooling device if it is visibly damaged.
If this cooling device’s power cable is damaged, it must be replaced by the customer
service in order to prevent safety danger.
This cooling device may only be repaired by qualified personnel, improper repair can
lead to considerable danger.
Cleaning and user maintenance must not be carried out by children without
supervision.
Children must be supervised to ensure that they do not play with the cooling device.
Always keep and use the cooling device out of the reach of children under age of 8
years.
Do not store any explosive substances such as spray cans with a flammable
propellant in the cooling device.

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CAUTION!
Disconnect the cooling device from the power supply:
• before each cleaning and maintenance
• after every use
• food may only be stored in its original package or in suitable containers.
NOTICE!
Check that the voltage specification on the rating label corresponds to that of the
power supply.
Only connect the cooling device as follows:
• connect the DC cable to a DC power supply in the vehicle
• or connect the DC cable to an AC adaptor and then connect the AC adaptor to
the AC power supply.
Never pull the plug out of the socket by the cable.
If the cooling device is connected to the DC outlet, disconnect the cooling device and
other power consuming devices from the battery before connecting a quick charging
device.
If the cooling device is connected to the DC outlet, disconnect the cooling device or
switch it off when you turn off the engine. Otherwise you may discharge the battery.
The cooling device is not suitable for transporting caustic material or material
contains solvents.
The insulation of the cooling device contains flammable cyclopentane and requires
special disposal procedures. Deliver the cooling device at the end of its life-cycle to
an appropriate recycling.

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1.2 Operating the cooling device safety
CAUTION!
Before starting the cooling device, ensure that the power supply line and the plug
are dry.
NOTICE!
• Do not use electric device inside the cooling device unless they are
recommended by the manufacturer for the purpose.
• Do not place the cooling device near naked flames or other heat sources
(heaters, direct sunlight, gas ovens etc.)
• Danger of overheating!
• Ensure at all times that there is sufficient ventilation so that the heat arises
during operation does not build up. Make sure the cooling device is sufficiently
far away from walls and other objects so that the air can circulate.
• Ensure that the ventilation openings are not covered.
• Do not fill the inner container with ice or fluid.
• Do not immerse the cooling device into the water.
• Protect the cooling device and the cable against heat and moisture.

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2. COOLING DEVICE APPLICATION
The cooling device is designed to be operated from:
• DC on-board power supply from a vehicle, boat or caravan.
• DC external battery
• AC power supply by AC adaptor.
The cooling device is intended to be used in household and similar application such as
• Staff kitchen areas in shops, offices and other working environments.
• Farm houses
• Clients in hotels, motels and other residential type environments.
• Bed and breakfast type environments.
CAUTION! Health danger!
Please check if the cooling capacity of the device is suitable for storing the food or
medicine you wish to cool.

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3. COOLING DEVICE FUNCTION
The cooler device can refrigerate or freeze food products. A fast-acting and efficient
cooling system provides maintenance-free cooling performance with a compressor and
control module. The cooling device is designed for mobile use and it can be used in the
various harsh condition and situation.
Function description:
• 3-level battery monitor for protecting the vehicle battery.
• Display with temperature gauge (switch off automatically at low battery voltage).
• Temperature adjustment (with two buttons in step of 1°C or 2°F).

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4. DISPLAY ELEMENTS AND OPERATION
NOTICE!
• After buying your new cooling device, please keep the new cooling device
horizontally for more than 6 hours before starting.
• Before staring your new cooling device for the first time, your should clean it
inside and outside with a damp cloth for hygienic reasons. Please also refer to
the chapter «Cleaning and Maintenance».
4.1 Display & control panel

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4.2 Cooler device switch on/off
Switch on: Touch the button «ON/OFF» once lightly by your finger.
Switch off: Keep touching the button «ON/OFF» for about five seconds.
4.3 Cooling temperature setting
• Switch on the cooling device.
• Select temperature display unit: First touch the button «down» without releasing, at the
same time use your another finger to touch the button «set» without releasing, keep
your two fingers touching the two buttons «set» and «down» for about 10 seconds,
there will be flashing «°C» or «°F» appearing in the display screen, release your two
fingers from the two buttons «down» and «set». Then touch the button «up» or «down»
to select the temperature unit Celsius or Fahrenheit. The selected temperature unit will
appear and flash in the displayscreen for a few seconds, and then the display screen
will return to display the current Temperature automatically.
• Cooling temperature setting: touch the button «set» once, then touch the «UP +» and
«DOWN -» button to set the cooling temperature you want. The selected temperature
number will flash in the display screen for a few seconds, and then the display screen
will return to display the current temperature automatically.
4.4 Low voltage protection battery monitor setting
The cooling device is equipped with a 3-level battery monitor which protects your vehicle
battery against excessive discharging when the device is connected to the on-board DC
supply.

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If the cooler is operated when the vehicle ignition is switched off, the cooler switches off
automatically as soon as the supply voltage falls below a set level. The cooler will switch
back on once the battery has been recharged to the restart voltage level.
NOTICE! Danger of damage!
When switched off by the battery monitor, the battery will no longer be fully charged.
Avoid starting repeatedly or operating without longer charging phases. Ensure that
the battery is recharged.
In «H3» level, the battery monitor responds faster than at the level «H1» and «H2».
Monitor Level H1 H2 H3
12V Switch-off voltage, V 10.3 10.8 11.3
Restart voltage, V 11.1 11.8 12.6
24V Switch-off voltage, V 21.5 22.3 24.3
Restart voltage, V 22.7 23.7 25.7
When the cooler is supplied by the started battery, select the battery monitor level «H3»,
if the cooling device is connected to a supply battery, the battery monitor level «H1» will
suffice.
•Switch on the cooling device.
•There are 3-level low voltage protection battery monitor setting: H1, H2 and H3. Touch
the button «UP « and «DOWN» at the same time for about five seconds, there will be
flashing «H1» or «H2» or «H3» appear in the display screen, touch the button «UP +»
or «DOWN -» to select the battery monitor level «H1» or «H2» or «H3» to protect your
vehicle battery. The selected monitor level «H1» or «H2» or «H3» will flash in the display
screen for a few seconds after setting, the display flashes several times before it return
to the current temperature.

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4.5 Cooling device working mode setting
Cooling device working mode selection.
There are two working modes in the device:
•HH working mode: the cooling device will work normally in this mode. The LED light
«on» will be red in this working mode.
•ECO working mode: the cooling device working will be energy saving. The LED light
«on» will be green in this working mode.
•Touch the button «set» twice continually , there will be flashing letter «HH» or «ECO»
display in the screen, use the button «UP +» and «DOWN -» to select the mode you
what. The working mode letter «HH» or «ECO» will flash in the screen for a few
seconds, and then the display screen will return to display the current temperature.

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4.6 The explanation for the running code shown in the
display screen
Error
Code Possible Reason Suggested Solution
E0 Sensor circuit is broken or short Connect or replace the sensor
E1 Input voltage is low Check the battery voltage or adjust the Battery
Monitor Level.
E2 Ventilating fan problem Check if the ventilating fan is blocked or short
circuit.
E3 Compressor started self-protection Disconnect the device from power supply for 30
minutes, and re-start the device.
E4 Compressor protect itself against
unusual running speed.
Change the working mode by device control panel
E5 Control panel’s overheating warning Move the device to a place with well-ventilated
installation environment.
4.7 Energy saving tips
•Choose a well-ventilated installation location which is protected against direct sunlight.
•Allow warm food to cool down first before placing it in the cooling device to keep cool.
•Do not open the cooling device more often than necessary.
•Do not leave the cooling device open for longer than necessary.
•Defrost the cooling device once a layer of ice forms.
•Avoid unnecessary low temperature.

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5. CONNECTING THE COOLING DEVICE
WARNING! DC extension cord
•Because of the potential safety danger under certain conditions, the
manufacturer does not recommend using any type of DC extension cord.
•Under no circumstance should you attempt to splice extension cord wires.
•Do not use power strips or two-way splitter.
•Always unroll or uncoil a DC cord to avoid heat retention and possible melting.
•Connecting to a battery (vehicle or boat), the cooler can be operated with DC
12V or 24V.
NOTICE! Danger of damage!
Disconnect the cooler and other consumer units from the battery before you connect
the battery to a quick charging device. Over-voltage can damage the electronic of
the cooling device.
For safety reason, the cooling device is equipped with an electronic system to
prevent polarity reversal. This protects the device against short-circuiting when
connecting to a battery.

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5.1 Using the fused DC plug for device connection
NOTICE! Danger of damage!
For protection of the device, the DC cable supplied includes a fuse inside the plug.
Do not remove the fuse from the DC plug. Only use the DC cable supplied.
•Plug the DC cable into the cooling device DC power supply inlet.
•Connect the DC cable to the DC power supply outlet.
5.2 Connect to an AC power supply
• Plug the DC cable into the cooling device DC power supply inlet.
• Connect the DC cable to the cigar lighter socket of an AC adaptor (AC adaptor is
optional sale products).
• Connect the AC cable of the AC adaptor to the AC power supply outlet.
NOTICE! Danger of damage!
• Only use the AC adaptor supplied from the manufacture.
• Never handle plugs and switches with wet hands or if you are standing on a wet
surface.
• If you are operating your cooler on board of a boat from a power supply 120V,
you must install a residual current circuit breaker between the 120V AC power
supply and the cooler. seek advice from a trained technician.

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6. USING THE COOLING DEVICE
6.1 Switch on the cooling device
NOTICE! Danger of overheating!
Ensure at all time that there is sufficient ventilation so that the heat which generated
during the operation can dissipate. Ensure that the ventilation slots are not covered.
Make sure that the device is sufficiently far away from walls and other object so that
the air can circulate.
•Place the cooler on a firm foundation.
•Make sure that the ventilation slots are not covered and that the heated air can
dissipate.
•Close the cooling device.
•Switch on the cooler.
NOTICE! Danger from excessively low temperature!
Ensure that the only those objects are placed in the cooler that are intended to be
cooled at the selected temperature.
NOTE!
The temperature displayed in the screen is that of the middle in the interior.
The temperature elsewhere can deviate from this temperature.

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6.2 Switch off the cooling device.
•Empty the cooler.
•Switch off the cooler.
•Pull out the DC connection cable from the socket.
•If you do not want to use the cooling device for a longer period of time.
•Leave the device cover slight open, this will prevents odour build-up.
6.3 Defrost the cooling device.
Humidity can form frost in the interior of the cooling device or on the vaporizer, and this
will reduce the cooling capacity of device. Defrost the cooling device in good time to
avoid this.
NOTICE! Danger of damage!
Never use hard or pointed tools to remove ice or to loosen objects which have
frozen in the cooler.
Process the following step to defrost the cooler
• Take out the contents of the cooler.
• If necessary, place them in another cooling device to keep them cool.
• Switch off the device.
• Leave the cover open.
• Wipe off the defrosted water.

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7. CLEANING AND MAINTENANCE
7.1 Replacing the DC plug fuse
• Pull off the adapter sleeve from the DC plug.
• Unscrew the screw out of the upper half of the housing.
• Carefully raise the upper half of the housing from the lower half.
• Take out the contact pin.
• Replace the detective fuse with a new fuse with the same type and rating
• Re-assemble the plug in the reverse order.
7.2 Cleaning the cooling device
• Occasionally clean the device interior and exterior with a damp cloth.
• Make sure that the air inlet and outlet vents in the device are free of any dust and dirt,
so that heat can be released and the device is not damaged.
WARNING!
Always disconnect the device from the power supply before you clean and service it.
NOTICE! Risk of damage.
Never clean the cooler under running water or in sink.
Do not use abrasive cleaning agents or hard objects during cleaning as these can
damage the cooler

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7.3 Storage the cooling device
It is recommended to store the fridge in a dry, ventilated room at a temperature of 0°С to
+50°С with relative humidity up to 80%, without direct exposure sun rays. For long-term
storage, factory packaging is recommended.
7.4 Transporting the cooling device
It is recommended to transport in horizontal position. Otherwise, it is necessary to
withstand it without turning on for at least 12 hours in a horizontal position.