KUPPET MK15 Installation instructions

You must wait 30minutes before pluging this appliance into a
mains socket to ensure optimum performance.

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Please read this manual carefully before using your unit.
Section
Page
Technical Specification
2
Features
2
The Function and Operation Setting
3-5
FAQ
5-6
Daily Maintenance and Attention
6-7
Safety precautions
7-8

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1.Technical Specification：
MK15/23/31 car refrigerator
Product model
MK15
MK23
MK31
Dimension
576x322x268
576x322x368
576x322x468
Capacity(L)
15
23
31
Net Weight (KG)
10.5
11.5
12.5
Climatic Category
T/ST/N/SN
Electrical safety grade
Ⅲ
Temperature control
Electronic
Rated power
45W
Rated voltage
DC12/24V
Refrigerant（g）
R134a/24g
R134a/26g
R134a/30g
Refrigeration
Ambient temperature: 32℃
Range of cooling temperature：-18℃~ +18℃
Operating
environment
Range temperature: -5℃~ +55℃
Humidity≤ 90%
Deposit temperature
Range temperature: -30℃~ +70℃
2. Features
●High efficiency DC inverter compressor and conversion module with high
reliability, fast refrigeration speed and long life.
●Fluoride-free insulation with good heat preservation performance and
low energy consumption.
●Dual use: suitable for Car and home using, work on 12/24V DC and 110V
to 240V AC

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●Time delay protection function:3 mins protection
●Compressor cooling technology: perfect cooling performance down to
-18℃
●Unique outdoor waterproof designed
●Vehicle battery protection system, 3 mode for adjustable
3. The Function and Operation Setting
1）Power supplier: 12/24V DC and 100V to 240V AC
2）Button instructions
ON/OFF: Switching power key
UP/DOWN: Adjust the temperature
SET: press the SET button and chose the cooling mode: ECO (energy
saving mode) & HH (Quick refrigeration mode). Factory default mode is
HH
3）Vehicle battery protection system, 3 mode for adjustable, press the SET
button 3s, you can chose the voltage protection range from H1 to
H3.Factory default mode is H3 (high voltage protection).
The car fridge will stop or work in the following voltage range. When the
input voltage reaches the minimum value, the compressor will stop
automatically to protect the battery power. When the voltage returns to the
starting value, the compressor will run normally. Specific parameters of
battery protection are shown in the following table：
Input
voltage
Protection
mode
12V/DC
24V/DC
Protection
voltage(V)
Start
Voltage(V)
Protection
voltage(V)
Start
Voltage(V)
H1
9.0
9.8
21.3
22.7
H2
10.1
10.8
22.3
23.7

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H3
11.8
12.4
24.3
25.7
Note: In the operation of the product, due to pressure drop, the actual
value will have a 0.3V error, which is normal.
Indicator light: The power indicator is red (compressor not works or
delays start); the power indicator is green (compressor works normally).
Eco/Max indicator is red (compressor works on fast cooling system).
Eco/Max indicator is green (energy saving mode).
4）Operation method:
The fridge applies electronic temperature control, and the control panel
is directly above cabinet, as shown in the following figure:
ON/OFF: connect to the power, press the ON/OFF button for 3s, then the
system will in the ready mode; press the ON/OFF button for 6s, then the
unit will run.
△or▽: press the button △or▽to adjust target temperature. Press the
button▽to increase or the button▽to decrease the temperature.
5) Temperature compensation, battery protection level and centigrade
Fahrenheit switching
In ready mode, press the SET button for 3s, you can setup parameter, the
screen will show E1 and press the SET button again. You can chose the
difference mode from E1 to E8. Press the Δ or ∇button can show the
parameter , you can adjust or save the data. If you don’t press any button
for 3s, the unit will return to normal operation.

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Parameter
Function
Setting range
Factory
default
E1
Control the min
temperature
-40℃to setting
temperature
-20C
E2
Control the max
temperature
Setting temperature to
40C
+20C
E3
Temperature return
difference
1～10C
1C
E4
Time delay protection
function
0～10 min
2 min
E5
centigrade Fahrenheit
switching
C is centigrade ，F is
Fahrenheit
C
E6
When setting
temperature ≥-6C，
temperature compensation
range
-10C～+10C
0C
E7
-7C≥ setting
temperature ≥-12C
temperature compensation
range
-10C～+10C
0C
E8
When setting
temperature ≤-13C，
temperature compensation
range
-10C～+10C
0C
Note: Restore the factory default: In ready mode, press the SET button
for 3s, the screen will show E1 mark, then press the Δ and ∇at the same
time for 3s, the screen will show “888”.At this point, all parameters are
restored to the factory default.

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4.FAQ
1）The appliance is out of working:
Check the power supply connection.
Whether the plug and the socket have a good connection, or the control
panel is setting in ready mode.
Whether the fuse blow or not
Whether in ready mode
2）Food is frozen
Setting temperature is too low, raise the temperature appropriately
3）Hear the sound of water from the inside place.
It is normal, due to the flow of refrigerant
4）Error code and handing method .
Error
code
Error type and handing method
F1
Low voltage protection code, turn the battery protection switch down
one level.H3(high)-H2(middle)-H1(low)
F2
Fan overload protection, turnoff the fridge for 30mins and restart.
F3
Compressor starts protection frequently, turnoff the fridge for 30min
and restart.
F4
Automatic overload protection(current＞15A)
F5
Compressor high temperature protection, put the fridge in a ventilated
area, turnoff the fridge for 30mins and restart.
F6
Hardware failure of the controller, the controller can’t check the
parameters. Turnoff the fridge and restart, if it comes up again, pls
contact with after-sales personnel
F7/F8
Abnormal indication of temperature sensor, check the sensor is ok or
not. if it comes up again, pls contact with after-sales personnel
5）Common temperature settings
Type
Temperature
range

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Wine
10C
Insulin
2C ~8C
Fruits
4C ~6C
Drinks
2C ~5C
Meat
-10C
Ice cream
-15C
5.Daily Maintenance and Attention
■Cleaning Method
Clean and maintain the refrigerator once a week. Use soft cloth dampened
with warm water to wipe the inner surface and external appearance. If the
fridge is too dirty, please kindly wipe it with a neutral detergent and dry
the water with a clean damp cloth.
■Plastic parts Maintenance
Properly protect the door seal and clean it frequently. Please try to avoid oil
stains and deformation on it when using the fridge. If the oil (animal or
vegetable oil) is attached to the cabinet plastic parts for a long time, the
plastic will easily be aged or cracked, and give off a peculiar smell.
■Attention
● Do not sprinkle water on the refrigerator during cleaning because that
would reduce the insulating property of electrical components and erode
the metal parts.
● Do not use brush or cleaners which contain corrosive and deliquescent
material (such as alkaline detergent, soap, abrasive powder, hot water,
banana oil, gasoline and alcohol) to clean the fridge, otherwise, it may
damage the fridge coating and plastic parts.
6.Safety precautions
■Do not touch the power plug of the refrigerator when your hands are wet
or your feet are in contact with water.
■When the product is used in the car and connected to the main power

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supply, please insure the power have a fuse.
■When the product is charged by high-speed battery charger, please make
sure it is disconnected from the power.
■Please make sure the power voltage of the product is correct at any time
and the product rated voltage parameter is shown in the parameter label
table, which stick on the back of the fridge.
■Do not put and use any electrical appliances in refrigerator cabinet.
■To avoid cracking, do not put glass containers in fridge when the setting
temperature is less than 0C.
■When setting temperature under 0C, glass containers are not allowed.
■After the fridge is unpacked, put it in the upright position for more than 6
hours before power supply.
■Keep the horizontal level when fridge is work, the tilt angle should <5°
■The fridge should install in ventilated area, blinds are strictly prohibited
from blocking to dissipate heat. There should be some space around the
fridge, the back ≥200mm, the side≥100mm
■The fridge should avoid heat sources or stay away from them, and try to
avoid the direct sunlight.
■Keep the fridge on the floor or in the car.
■Do not turn the fridge to pour away the water when the liner dropsy. Pls
dry with a dry cloth.
Relevant matters for abandonment
1) appliances using combustible insulating foaming gas:
This refrigerator uses R134a refrigerant and this refrigerant
and cyclo-pentane foams are flammable materials,the waste
refrigerator should be isolated from the fire source and
cannot be burned.Please turn it over to a qualified
professional recycling company. To avoid environmental hazards or other

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hazards.
2) do not store explosives, such as combustion-supporting sprays, in the
appliance.
3) this appliance is used for household and similar purposes, such as:
——kitchen area , store, office, or other workplace;
——Farms, hotels, motels and residential environments;
——Catering and similar non-retail applications