Midea HS-281S(N) User manual

Showcase
HS-281S(N) HS-411S(N)

CONTENTS
Safety warnings
Meaning of safety warning symbols · · · · · · · · · · · · · · · · ·1
· · · · · · · · · · · · · · · · · · · ·2
· · · · · · · · · · · · · · · · · · · ·2
Warnings related to placing items · · · · · · · · · · · · · · · · · ·3
Warnings related to disposal · · · · · · · · · · · · · · · · · · · ·3
Proper use of show cases
Names of components ·······················4
placement · · · · · · · · · · · · · · · · · · · · · · · · · · · ·5
Start ·······························5
Maintenance of show cases
Cleaning · · · · · · · · · · · · · · · · · · · · · · · · · · · ·6
Defrost ·····························6
Stop using · · · · · · · · · · · · · · · · · · · · · · · · · · · ·6
Frequently asked questions
Electricity related warnings
Related warnings for use · ·
DEAR CUSTOMER:
Thank you for buying this show case. To ensure that you get the best results from your new show case,
please take time to read through the simple instructions in this booklet.Please ensure that the
packing material is disposed of in accordance with the current environmental requirements.
When disposing of any show case equipment please contact your local waste disposal department
for advice on safe disposal.This appliance must be only used for its intended purpose.

Safety warnings
Meaning of safety warning symbols
Prohibition symbols
Warning symbols
Note symbols
The symbols indicate prohibited matters, and those
behaviors are forbidden. Non-compliance with the
instructions may result in product damages or endanger
the personal safety of users.
The symbols indicate matters that must be followed, and
those behaviors must be strictly executed in line with the
operation requirements. Non-compliance with the
instructions may result in product damages or endanger
the personal safety of users.
The symbols indicate matters to pay attention to, and
these behaviors shall be specially noted. Due
precautions are needed or minor or moderate injuries
or damages of the product will be caused.
This manual contains lots of important safety information
which shall be observed by the users.
CAUTION :
This appliance can be used by children aged from 8 years and above and persons with
reduced physical, sensory or mental capabilities or lack of experience and knowledge if they
have beengiven supervision or instruction concerning use of the appliance in a safe way and
understand the hazards involved. Children shall not play with the appliance. Cleaning and
user maintenance shall not be made by children without supervision.
GENERAL：
This type of show case is widely used in places such as hotels ,offices,
student dormitories and houses. It is mostly suitable for refrigerating and preserving
foods such as fruits and beverage. It enjoys the advantages of small size, Lightweight,
Low electric consumption and easy use.
WARNING:Keep clear of obstruction all ventilation opengings in the appliance enclosure or in
the structure for buliging-in.
WARNING:DO not use mechanical devices or other means to accelerate the defrosting
process,other than those recommended by the manufacture r.
WARNING:DO not damage the refrigerant circuit.
WARNING:DO not use electrical appliances inside the food storage compartments of the
appliannce ,unless they are of the type recommmended by the manufacture.
1

To ensure safety, it is not recommended that to place regulators,
rice cookers, microwave ovens and other appliances at the top of the
show case, those recommended by the manufacture are not included.
Do not use electrical appliances in the food pantry.
Safety warnings
Electricity related warnings
Authorized demolition or renovation of the show case is not prohibited.
It is forbidden to damage the refrigerant lines and the repair and
maintenance of the show case must be carried out by professionals.
Damaged power cord must be replaced by the manufacturer, its
maintenance department or related professionals in order to avoid
danger.
The surrounding of the appliances around or the embedded structure
shall not be obstructed while good ventilation shall be maintained.
The gaps between show case doors and between doors and show case
body are small, be noted not to put your hand in these areas to prevent
squeezing the finger. Please be gentle when switching off the show case
door to avoid falling articles.
Do not pick foods or containers in the freezing chamber when the
show case is running, especially metal containers in order to avoid frostbite.
Do not pull the power cord when pulling the power plug of the
show case. Please firmly grasp the plug and pull out it from
the socket directly.
Do not damage the power cord under any condition so as to
ensure safety use, do not use when the power cord is damaged
or the plug is worn.
Worn or damaged power cord shall be replaced in
manufacture-authorized maintenance stations.
Please use a dedicated three-hole power socket which is 10A
or more and the power socket shall not be shared with other
electrical appliances.
The power cord should be firmly contacted with the socket or else
fires might be caused. Please ensure that the grounding electrode
of the power socket is equipped with a reliable grounding line.
Related warnings for use
The show case adopts 220~240V/50Hz AC power, voltage fluctuations
over the range of 220~240V±10% will cause malfunction or even damage,
so a 750 W automatic voltage regulator must be installed in concert
with the AC power.
Please turn off the valve of the leaking gas and then open the doors
and windows in case of leakage of gas and other flammable gases.
Do not unplug the show case and other electrical appliances
considering that spark may cause a fire.
2

Do not allow children to enter or climb the show case to prevent that
children are sealed in the show case or children are injured by the
falling show case.
Do not spray or wash the show case; do not put the show case in moist places
easy to be splashed with water so as not to affect the electrical
insulation properties of the show case.
Do not place heavy objects on the top of the show case considering
that objectives may fall when switching the door, and accidental
injuries might be caused.
Please pull of the plug in case of power failure or cleaning. Do not
connect the show case to power supply within five minutes to prevent
damages to the compressor due to successive starts.
Do not put flammable, explosive, volatile and highly corrosive items
in the show case to prevent damages to the product or fire accidents.
Do not place flammable items near the show case to avoid fires.
Please remove the door of the show case and shelves which shall be properly
placed to avoid accidents of children entering and playing in the show case.
The show case＇s R600a refrigerant and cyclopentane foam materials are combustible materials
and discarded refrigerators should be isolated from fire sources and can not be burned.
Please transfer the show case to qualified professional recycling companies for processing to avoid
damages to the environment or other hazards.
Safety warnings
Warnings related to disposal
Warnings related to placing items
3
。
This product can be used for cold storage of various
beverages, fruits and vegetables. For temperate and tropical
fruits such as bananas, pineapples and pears, the mature rate
may be slowed down, but they are perishable. So those fruits
can be stored in cool for a certain period instead of being kept
in low temperature for a long time. Drugs, specimens, flowers,
vaccines and other things with life activity are strictly
forbidden.

Proper use of show cases
The low temperature of show case may keep food fresh for a long time and it is mainly used to store
frozen foods and making ice.
The show case is suitable for storage of meat, fish, shrimp, dumplings, rice balls and other foods not
to be consumed in short term.
Chunks of meat are preferably to be divided into small pieces for easy access.
Please be noted food shall be consumed within the shelf time.
Names of components
The features and accessories of the show case you bought may be not
entirely consistent with the legend, please refer to the packing list.
4
Product features
Reliable properties: the refrigerator adopts branded efficient compressor which has excellent
performance and high reliability;
Suspended-type front-installed light box is adopted to be used as decoration or for advertising.
Double glazing is adopted for the doors. Built-in illumination function is provided and panoramic
internal display can be seen.
Storage racks can be adjusted according to actual size of specific object or container flexibly for
storage convenience.
Circulating fan is installed on the top of the cabinet. Fast cooling air circulation can keep internal
temperature uniform and realize fast food cooling.
Water disposal pan can be found at the bottom of the cabinet, through which the water flow out
from the cabinet can be evaporated by the heat of the compressor.
The warm wind generated by condensation can blow on the external surface of the glass door from
bottom to top which can slow down condensation on surface of the glass door.
R600a environmentally friendly refrigerant and cyclopentane environmentally friendly blowing
agents are used to promote environmental protection.
①lamp ②cabinet ③door ④shelf ⑤compressor ⑥adjustable foot

Placement
Start
Proper use of show cases
The show case is placed in a
well-ventilated indoor place;
the ground shall be flat, and
sturdy .
Before using the show case,
remove all packaging
materials including bottom
cushions and foam pads
and tapes inside the show case,
tear off the protective film
on the door and the show case
body.
Keep away from heat and
avoid direct sunlight. Do not
place the show case in moist or
watery places to prevent rust
or reduction of insulating
effect.
The top space of the show case
shall be greater than 70cm, and
the distances from both sides
and backside shall be more than
20cm to facilitate the opening
and closing and heat dissipation.
Wipe the show case inside and
outside with warm moist rag
(add a small amount of detergent
in the warm water and wipe clean
finally with clean water).
The show case shall stay for half an hour before connecting
220~240V/50Hz power when it is firstly started.
The show case shall run 2 to 3 hours before loading fresh or
frozen foods; the show case shall run for more than 4 hours in
summer in advance considering that the ambient
temperature is high.
5
Temperature Control
Connect the show case to power.
0 0
The temperature（about10 C～1 C） of the chamber is adjusted through the thermostat knob
The user can choose the right temperature zone according to their needs.In the same
environment temperature,the lower the number is, the higher the temperature inside will
be and verse versa."0”position stands for not in operation. The number of the thermostat knob
do not mean a specific temperatures.Generally, the knob of temperature controller shall be
turned to grade 3-5 during use.。
，
5
7
6
04
3
2
1
Temperature Control
It is a normal phenomenon that there is condensation water on
the surface of glass and the top of outlet housing during use,
mop it with dry cloth.

Maintenance of show cases
Cleaning
show case shall be manually defrosted.
Unplug the show case and open the show case door, remove foods and drawers before defrosting;
Open the outflow holes and drainage holes (and place water container at the outflow holes);
indoor frost will naturally melt, wipe the defrost water with a dry, soft cloth. When the frost
softens, an ice scraper might be used to the accelerate de-icing process.
Please remove the food and put in a cool place when defrosting before removing accessories.
Foods can be preserved for a couple of hours even in summer in case of power failure; it is
recommended to reduce the frequency of opening door and do not put fresh foods into the
show case.
Please unplug the show case left unused for a long time for cleaning. Keep the door open to avoid
the bad odor.
Do not turn upside, horizontally place or vibrate the refrigerator, the carrying angle can not be
greater than 45°. Please hold the door and hinge when moving.
Do not use hard brushes, clean steel balls, wire brushes,
abrasives, such as toothpastes, organic solvents (such as
alcohol, acetone, banana oil, etc.), boiling water, acid or
alkaline items clean refrigerator considering that this may
damage the fridge surface and interior.
Do not rinse with water so as not to affect the electrical insulation
properties. Please use a dry cloth when cleaning temperature
control knob and electrical components.
Please unplug the for defrost and cleaning. show case
Dusts behind the show case and on the ground shall be timely cleaned to improve the cooling
effect and energy saving. The interior of the show case should be cleaned regularly to avoid odor.
Soft towels or sponge dipped in water and non-corrosive neutral detergents are suggested for
cleaning. The show case of shall be finally cleaned with clean water and dry cloth. Open the door for
natural drying before the power is turned on.
Defrost
Other mechanical devices or other means shall not be used to accelerate
except those recommended by the manufacturer. Do not damage the
refrigerant circuit.
Stop using
Continuous operation is recommended when the show case is
started. Please do not move the show case under normal
circumstances so as not to affect the show case's service life.
6

Inoperation
Odor
Long-term operation
of compressor
Illuminating light
does not shine
The show case door can
not be properly closed.
Loud noises
Whether the show case is plugged and connected to power;
Low voltage;
Whether temperature control knob is in the work area
Failure power or tripping circuit
Odorous foods should closely wrapped;
Whether foods are rotten;
Whether the interior shall be cleaned.
It is normal that show case operates for longer time in
summer when the ambient temperature is higher;
Do not put too much food in the show case at one time;
Do not put foods until they are cooled;
Frequent opening of show case door.
Thick frost layer (defrost is needed)
Whether the show case is connected to power, whether the
indicator light is damaged.
The show case door is stuck by food packages;
Too much food;
Tilt show case.
Whether the food is leveled, whether the show case is
balanced;Whether the show case parts are properly placed.
Frequently asked questions
The following simple issues can be handled by the user. Please call the after-sale service
department if the issues are not settled.
7
Warm tips:
Warm wind on the surface of glass blows from the top of cover box at the bottom and it is generated by
the condenser to prevent condensation on surface of glass.
The refrigeration time is long: If internal initial temperature is high, it may take a long time for the
display cabinet to start refrigeration time.
Surface of the compressor is hot: In normal working condition, temperature of the compressor may be
high and it is a normal phenomenon. Do not touch it with bare hand.
Sound of flow water: It is a normal sound of refrigerating fluid flow.
Condensation: condensation phenomenon will be detected on the exterior surface and door seals of the
freezer when the ambient humidity is large, this is a normal phenomenon.
Sound of fan circulation: In a quiet environment, you may hear a sound of fan rotating and it is a normal
phenomenon.
Climate Class Code
1
2
3
4
dry bulb temperature，℃ relative humidity，%
16 80
22 65
25 60
30 55
Ambient temperature and humidity conditions
540 40
The ambient temperature and humidity conditions of the show case climate class following
the tab below.