Atosa MBB48GR User manual

INSTRUCTION MANUAL
Back Bar Coolers
Original instruction
Please read the user’ s manual before you use this product.

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Back Bar Coolers
Installation, use and maintenance instructions
INDEX
1 Terms and conditions......................................................................... ........ 2
2 Introduction............................................................................
..................... 6
3 The manufacturer cannot be held liable in the following cases
.................. 8
4 Transportation and storage
........................................................................ 9
5 Commissioning...............................................................
............................ 9
5.1 Positioning................................................................
........................... 9
5.2 Initial cleaning....................................................................................10
5.2 Initial cleaning....................................................................................10
5.3 Connection to electrical supply..........................................................10
5.4 Connection to drains.........................................................
................. 11
6 Technical characteristics
.........................................................................12
6.1 Noise and vibration............................................................................12
6.2 Possible applications
............................................... ......................... 12
7 Usage............................................................................
7 Usage............................................................................ ........................... 12
7.1 Activation...........................................................................................12
7.1.1 Switching on/off
....................................................................... 12
7.1.2 Visualisation of cell temperature
.............................................. 13
7.1.3 Setting the cell temperature
.............................. ...................... . 13
7.1.4 Visualisation of alarm codes.....................................................13
7.2 Storage of food-stuffs...........................................
7.2 Storage of food-stuffs........................................... ............................. 14
7.3 Defrosting.............................................................
............................. 14
7.3.1 Defrost timer................................................
............................. 14
7.3.2 Manual defrosting........................................
............................ .15
8 Maintenance................................................................
........................... ..15
8.1 Periodic cleaning.....................................................
........................ ..15
8.2 Cleaning of condenser.................................
8.2 Cleaning of condenser................................. .................................... .15
8.3 Period of inactivity of cabinet..................
.......................................... 16
9 Trouble shooting and remedies................................................................16
9.1 If the cabinet does not operate..........................................................16
9.2 If the required temperature is not achieved.......................................16
9.3 If the cabinet leaks water...................................................................17
9.4 If the cabinet is unacceptably noisy...................................................17
9.5 Improbable risks.......................................
9.5 Improbable risks....................................... ......................................... 17
10 Substitution of spares................................................
............................. 17
11 Dismantling.............................................................................................18
Official approval and rules...........................................................................19
Technical Parameters..................................................................................20
Correct disposal of this product....................................................................21

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Additional Three Year Compressor Warranty
In addition to the two (2) year warranty stated above, Atosa warrants its
sealed compressor to be free from defects in both material and workman
ship under normal and proper use and maintenance service for a period
of three (3) additional years from the date of original installation, but not
to exceed five (5) years. Compressors that have been determined to be
defective from Atosa within this extended period will be either repaired or
defective from Atosa within this extended period will be either repaired or
replaced with a compressor or compressor parts of similar design and
capacity according to Atosa ‘s discretion.The three (3) year extended
compressor warranty applies only to sealed parts of the compressor and
does not apply to any other parts or components. This includes, the
cabinet, paint finish, temperature control, refrigerant, metering device,
motor starting equipment, fan assembly, and other electrical components,
etc.
etc.
R290 Compressor Warranty
The five-year compressor warranty detailed above will be void if the
following procedure is not carefully adhered to:
1.This system contains R290 refrigerant and lubricant. The lubricant has
rapid moisture absorbing qualities.
2.Drier replacement is very important and must be changed when a
system is opened for servicing.
system is opened for servicing.
3.Micron level vacuums must be achieved to insure low moisture levels
in the system.
4.Compressor must be obtained through Atosa, unless otherwise
specified in writing, through Atosa’ s warranty department.

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2 INTRODUCTION
Please read instructions before using this appliance.
IMPORTANT SAFETY INSTRUCTION
▲ To reduce the risk of fire, electric shock, or injury to persons when
using your product, basic safety precautions should be followed,
including the following.
▲ This appliance must be properly installed and located in accordance
▲ This appliance must be properly installed and located in accordance
with the Installation Instruction before it is used.
▲ Before the appliance is plugged in, ensure that the rated voltage
corresponds to the voltage of the electrical system in your home. The
power plug should have its own independent socket. Using adapters
may cause overheating or burning.
▲ This appliance can be used by children aged from 8 years and above
and persons with reduced physical, sensory or mental capabilities or
and persons with reduced physical, sensory or mental capabilities or
lack of experience and knowledge if they have been given 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.
▲ If the supply cord is damaged, it must be replaced by the manufacturer
▲ If the supply cord is damaged, it must be replaced by the manufacturer
or its service agent or a similarly qualified person in order to avoid a
hazard.
▲ Connect to properly grounded outlets only. Avoid the use of extension
cords. Do not run cord under carpeting, runners or the like. Arrange
cord away from traffic area and where it will not create a tripping hazard.
▲ Always unplug appliance when not in use and before cleaning,
adjusting or maintaining this machine. To disconnect appliance, turn
adjusting or maintaining this machine. To disconnect appliance, turn
switch off and remove plug from power source.

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▲ Do not disconnect by pulling on the cord. Always disconnect by grasping
and pulling on the plug top.
▲ Do not pull out the cord or touch the power plug with wet hands. Clean
water or dust from the power plug and insert it with the ends of the pins
securely connected.
▲ Do not use outdoors.
▲ Do not splash water on the appliance. It may cause a malfunction or
▲ Do not splash water on the appliance. It may cause a malfunction or
electric shock.
▲ Do not disassemble, repair or alter the appliance. It may cause fire or
abnormal operations, which may lead to injury.
▲ After your fridge-freezer is in operation, do not touch the cold surfaces in
the freezer compartment, particularly when hands are damp or wet. Skin
may adhere to these extremely cold surfaces.
▲ Never place glass products in the freezer because they may be broken
▲ Never place glass products in the freezer because they may be broken
when their inner contents are frozen.
▲ The refrigerant and insulation blowing gas used in the appliance require
special disposal procedures. When disposal, please consult with service
agent or a similarly qualified person.
▲ Do not store explosive substances such as aerosol cans with a
flammable propellant in this appliance.
▲ WARNING: Keep clear of obstruction all ventilation openings in the
▲ WARNING: Keep clear of obstruction all ventilation openings in the
appliance enclosure or in the structure for building-in.
▲ WARNING: Do not use mechanical devices or other means to accelerate
the defrosting process, other than those recommended by the
manufacturer.
▲ WARNING: Do not damage the refrigerant circuit.
▲ WARNING: Do not use electrical appliances inside the food storage
compartments of the appliance, unless they are of the type recommended
compartments of the appliance, unless they are of the type recommended
by the manufacturer.

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3 The manufacturer cannot be held liable in the following
cases:
■improper installation (not in accordance with the guidelines indicated
herein)
■ misuse of the refrigerator
■ power supply defects
■ improper or inadequate maintenance
■ unauthorised modification or tampering
■ use of non-original spare parts
■ use of non-original spare parts
■ partial or total failure to comply with the instructions
Warning: Risk of fire / flammable materials
CAUTION: RISK OF FIRE AND EXPLOSION WITH FLAMMABLE
REFRIGERANT R290.
All electrical equipment can be hazardous to health. Current standards
and legal requirements must be complied with during the installation and
use of any equipment.
This instruction manual provides all the necessary information regarding:
▲ use of the refrigerator
▲ technical specifications
▲ installation and handling
▲ operator procedures and instructions
▲ maintenance operation
The manual is to be considered an integral part of the refrigerator and
The manual is to be considered an integral part of the refrigerator and
should be stored in a safe place for father consult to permit a good
working life of the refrigerator.
The appliance is intended for commercial use only.
■ Component parts shall be replaced with like components and that
servicing shall be done by factory authorized service personnel.
▲ If you need the electronic version instruction manual, please ask the
manufacturer or its service agent .
▲ Max. Load of shelf is 176 LBS.

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4 TRANSPORTATION AND STORAGE
The equipment is wrapped in absorbent material and contained and fixed
within a wooden platform and paper box.
Whist awaiting by definitive collection, these should be stored within a
protected and covered environment at a temperature between -13℉/ +131℉,
with ambient humidity between 86℉/ 95%. Do not stack more than three
items.
items.
5 COMMISSIONING
Carefully read the label on the equipment, do not cover for any reason
whatsoever. and replace them immediately if damaged. Do not remove
protection or panelling that require the usage of tools.
5.1 POSITIONING
Ensure that in respect of the dimensions, the space reserved for the
equipment permits its correct utilisation and ease of maintenance. After
carefully unpacking the display case, remove the white PVC protective
film and all of the manufacturer's material which safeguards the item in
transit. Place the cabinet on a flat surface and level it by screwing and
adjusting the leveling legs to ensure its efficient operation. The cabinet adjusting the leveling legs to ensure its efficient operation. The cabinet
must be lifted only from the exterior of the base to avoid the possibility of
damage. Do not move the cabinet by application of pressure to the surface.
if the device has been positioned horizontally ( integral condensing unit ).
wait two hours before activating it. Packing and protective film should be
disposed off as indicated by the local authorities. The equipment must
not be installed within explosive amblence, In the open air or exposed to

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rain the correct siting is; distant from direct
sources ( radiators, direct lighting, etc...)
and protected from direct sunlight and
draughts. Air circulation must be freely
maintained around the condensing unit,
be it integral or remote. In observance of
these specific conditions will detrimentally affectthese specific conditions will detrimentally affect
the cabinet.
≥50cm
5.2 INITIAL CLEANING
Before use all parts of the cabinet should be
cleaned,
For the walls and all the internal parts use an
antibacterial detergent.
For the plastic parts use a moistened cloth.
Dry with a soft clean cloth. use little or no
Dry with a soft clean cloth. use little or no
water.
Do not use harsh or abrasive solvents
or detergents
During cleaning do not approach
bare-handed those parts which could
cut ( evaporator, condenser, etc. )and always use protective gloves.
5.3 Electrical connection
Check that the supply conforms to the requirements listed on the factory
label and that it is provided with a fall-safe protection or automatic circuit

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Grounding Terminal
AC 110-125 V
Outlet Only
breaker with an efficient earth connection.
Should there not be an electrical safety
feature have this introduced by a qualified
person. by means of a omnipolar switch
as indicated in the safety regulations with
a means of a omnipolar switch as indicated
in the safety regulations with a minimumin the safety regulations with a minimum
clearance of the contacts of 3 mm.
where the cabinet has to be installed at
some distance from the electrical source.
ensure that the conforms to the local
regulations. Cabinet supplled with
integral condensing units are
provided with an appropriate plug fitted
provided with an appropriate plug fitted
with a neutral and earth; the supply
cable must be well stretched (avoid
coilling and superimposition ). it must
not be exposed to the possibility of damage by third parties. it should not
be in contact with liquids, water or heat sources. in the event of damage it
must be replaced by qualified personnel. Always avoid the use of reducers
or adapters.or adapters.
5.4 CONNECTION TO DRAINS
The dispersal of defrost water is automatic in all models with integral
condensing unit.

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6 TECHNICAL CHARACTERISTICS
6.1 NOISE AND VIBRATION
The sound level of the equipment fitted with integral hermetic condensing
unit does not exceed 70 dB ,it is therefore not necessary to provide sound
insulation. Under normal conditions the equipment does not generate
vibrations which affect surroundings.
vibrations which affect surroundings.
6.2 POSSIBLE USAGES
Do not utilise the equipment to store medical supplies.
the optimum operational ambient temperatures are between
+50℉/ +90℉.
The possible application are show be low:Beer : refrigeration,
preparation, and sale of Beer.
7 USAGE
7 USAGE
7.1 ACTION
These devices are activated by one switches and an electronic
control panel. The operations to the user are:
7.1.1 SWITCHING ON/OFF
Switch on switch , contemporaneously the electronic panel will

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electronic panel
compressor pilot light
illuminate and display the current temperature with the cabinet and
the compressor pilot light, In case
of power supply interruption, the
compressor will normally restart
with a slight delay.
7.1.2 VISUALIZATION OF CELL TEMPERATURE
During normal functioning, the air temperature which is present in theDuring normal functioning, the air temperature which is present in the
cell that moment appears on the display.
7.1.3 SETTING THE TEMPERATURE
By pressing for one second SET button, it is possible to read the set
temperature, To change the temperature press SET and press the
switch up or down to respectively increase or decrease the temperature
initially pre-set,until the desired and new temperature has been
achieved. Confirm this value by pressing SET button. Electronicachieved. Confirm this value by pressing SET button. Electronic
control panel operating band is comprehended between +36℉~+46℉
for model .
7.1.4 VISUALIZATION OF ALARM CODES
Electronic control panel shows eventual malfunction visualizing the
alarm codes here under listed.
Alarm of Beer electronic control panel: EO flashing
Corrective intervention
Corrective intervention

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If the display visualizes one or more of the above listed alarm codes
take note of those, switch off the electronic control panel and switch
on it after afew seconds. If the code/s is/are again visualized call
lechnical assistance and report the noticed code/s
7.2 STORAGE OF FOOD-STUFFS
In order to obtain the best functioning of the case it is necessary to
observe the following instruction:observe the following instruction:
- Place the merchandise into the unit only after it has reached the
desired operating temperature given on the digital display.
- Do not place uncovered hot foods or liquids inside the unit
- Package or protect foods when possible
- Do not limit the circulation of air inside the call with superfluous
obstacles.
-
- Avoid frequent or prolonged openings of the door/drawers
- Wait a few moments before reopening the door/drawer just after it
has been closed.
Whilst stocking only open and fill a drawer at a time to eliminate the risk
of over-balancing or ask to the supplier the fixable feets.
7.3 DEFROSTING
7.3.1 DEFROST TIMER
The electronic control panel automatically defrosts 4 times in 24 hours,The electronic control panel automatically defrosts 4 times in 24 hours,
its timer will reset to the time of the initial first start-up. To modify the
start time for the defrost cycle to the desired time press the proper

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( DEF or dripping snow ) button for more than 5 seconds, a defrost
cycle starts immediately and the following one will start after 6 hours.
During defrosting a led will be switched o ( DEF).
7.3.2 MANUAL DEFROSTING
All tables defrost automatically ( see 6.3.1 )
To start manually the defrosting act as above said to modify the start
time for the defrost cycle ( see 6.3.1 ). For condense water elimination
time for the defrost cycle ( see 6.3.1 ). For condense water elimination
(see 4.4 )
8 MAINTENANCE
8.1 PERIODIC CLEANING
For hygienic reasons and improved performance clean at least once a
month the internal basin. Especially the hole for water out going, need
keep clean always, First perform a manual defrosting cycle ( par. 6.3 ),
When complete, switch off the power supply and clean the inside
When complete, switch off the power supply and clean the inside
following the instructions given in par. 4.2 ( initial cleaning ).
8.2 CLEANING OF CONDENSER
For improved performance clean the condenser at least once a week.
Before beginning turn off the equipment, and disconnect the plug. Close
and protect the unit.
- Unscrew, rotate and remove protective grill
-- Remove the dust deposited on the front surface of the condenser
using a brush and a vacuum cleaner and restore previous conditions.

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8.3 PERIOD OF INACTIVITY OF CABINET
During periods of inactivity, remove the products from the cabinet and
then follow these directions:
- Remove the plug out from the outlet and
carefully clean the unit as per periodic cleaning
- Cover the cabinet whit a cloth that allows air
circulation in the interior.circulation in the interior.
9 TROUBLE SHOOTING AND REMEDIES
Often, the malfunction of a unit is due to simple causes which can easily
be eliminated without contacting a technician.
Therefore execute the following controls
9.1 If the cabinet does not operate,
make sure that:
-- The plug has been correctly inserted into the socket.
- The supply cord is not damaged.
9.2 If the required temperature is not achieved, make sure that;
- The command switch is turned on.
- The electronic control panel is correctly regulated ( see 6.1.3, 6.1.4 ).
- The cabinet is neither in the defrosting phase nor in the
post-defrosting pase.
-- The evaporator is not covered with frost ( see 6.3 ).
- The condenser is not blocked with dust.
- The cabinet is not located near heat sources or its condensing unit
has uninterrupted air flow.

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- The stored foods or other objects do not inhibit proper closing of
the unit.
- The cabinet is not working in anomalous conditions ( overloaded, l
oaded with hot food, or loaded in a way that prevents proper air
circulation ).
9.3 If the cabinet leaks water, make that:
-- The collecting container or the device for condensing water
elimination are not damaged.
- The discharge outlets are not blocked or obstructed.
- The cabinet has been properly leveled.
9.4 If the cabinet is unacceptably noisy, make sure that:
- The frame does not have loose screws or bolts.
- The cabinet has been laid in a stable position and correctly leveled.
If, after all these controls, the malfunctioning continues, it isIf, after all these controls, the malfunctioning continues, it is
advisable to contact technical assistance. Be prepared to supply
the following information:
- The model trade name and the serial number (both can be found
on the technical data plate ).
- The alarm codes appearing on the display of the control panel.
9.5 IMPROBABLE RISKS
In case of fire unplug the cabinet, if possible, and use a powder fireIn case of fire unplug the cabinet, if possible, and use a powder fire
extinguisher.
10 SUBSTITUTION OF SPARES

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Before commencing any service or maintenance work, isolate the cabinet
from the electrical supply.
Always fit original spares which may be obtained from an authorized
concessionaire or stockist.
11 DISMANTLING
The scrapping of the cabinet requires to be undertaken by specialized
company, licensed by the local authorities, and observing local statutes.
company, licensed by the local authorities, and observing local statutes.
Polyurethane foaming material, not fire-resistant, when deal with the
material, should be according with local law and statue.
- The cabinet consists of:
- Structure in steel plate,
- Electrical components and cables,
- Electrical compressor.
-
- Plastic materials,
- Refrigerant fluid which must not be discharged into the atmosphere.
ALL THE RESPONSIBILITY FOR THE FAILURE TO RESPECT THE
EXISTING LOCAL STATUTES ARE THE RESPONSIBILITY OF THE
OWER.
Meaning of crossed –out wheeled dustbin:
Do not dispose of electrical appliances as unsorted municipal waste, use
separate collection facilities. Contact you local government for information
regarding the collection systems available.If electrical appliances are
disposed of in landfills or dumps, hazardous substances can leak into the
groundwater and get into the food chain, damaging your health and well
-being. When replacing old appliances with new ones, the retailer is legally
-being. When replacing old appliances with new ones, the retailer is legally
obligated to take back your old appliance for disposals at least free of
charge.