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Operating instructions Page 14
Refrigerator
Read the operating instructions before switching on for the rst time
GB
7084 677-00
MKv
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Content
Features .................................................................................16
Climate rating .........................................................................16
Energy consumption ..............................................................16
Temperature increase after a power failure ............................ 16
Range of appliance use .......................................................... 16
Setting up ...............................................................................16
Appliance dimensions ............................................................ 16
Electrical connection .............................................................. 17
Operating and control elements ............................................. 17
Interior temperature ................................................................ 17
Switching the appliance on and o ........................................ 18
Audible warning signal .......................................................... 18
Power failure alarm ................................................................. 18
Door open alarm ..................................................................... 18
Setting the delay time for the door open alarm ....................... 18
Audible warning signal settings .............................................. 19
Alarm messages .................................................................... 19
Alarm test ............................................................................... 19
Calling up stored alarm events and reading the
temperature progression ........................................................ 20
Resetting the recorded temperature progression
Example of an alarm query ....................................................20
Changing the network address ............................................. 21
Resetting the parameters to factory settings ......................... 21
Setting the real time clock ......................................................21
Interior light MKv 3913 ............................................................ 22
Safety lock ..............................................................................22
Defrosting ...............................................................................22
Setting the display indication for the defrost phase ...............22
Cleaning and disinfection ....................................................... 23
Malfunctions ...........................................................................23
Shutting your appliance down ................................................23
External alarm ........................................................................24
Changing over door hinges .................................................... 25
..........20
Disposal notes
The appliance contains reusable materials and should
be disposed of properly - not simply with unsorted
household refuse. Appliances which are no longer
needed must be disposed of in a professional and
appropriate way, in accordance with the current local
regulations and laws.
When disposing of the appliance, ensure that the refrigerant circuit
is not damaged to prevent uncontrolled escape of the refrigerant
it contains (data on type plate) and oil.
• Disable the appliance.
• Pull out the mains plug.
• Cut through the connection cable.
WARNING
Danger of suocation due to packing material
and plastic lm!
Do not allow children to play with packaging
material.
Take the packaging material to an ocial collection point.
A rechargeable battery is installed in the appliance.
Disposal instructions for batteries
The battery must be removed when you wish to dispose of the
appliance and sent for separate waste treatment for batteries.
Do not damage or short circuit the battery.
Description of the appliance
Operating and control elements
Type plate
Grid shelves
The grid shelves can be moved to accommo-
date dierent height bottles or packages.
Interior light (MKv 3913)
(LED light strip)
The ventilation slots of the recirculating
fan on the inside must not be covered!
14
Reference sensor for monitoring the
temperature
Adjustable-height feet
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Safety instructions and warnings
GB
• To prevent injury or damage to the unit, the appliance should be unpacked and set up by two
people.
• In the event that the appliance is damaged on
delivery, contact the supplier immediately before
connecting to the mains.
• To guarantee safe operation, ensure that the ap-
pliance is set up and connected as described in
these operating instructions.
• Disconnect the appliance from the mains if any
fault occurs. Pull out the plug, switch off or remove
the fuse.
• When disconnecting the appliance, pull on the
plug, not on the cable.
• Any repairs and work on the appliance should
only be carried out by the customer service
department, as unauthorised work could prove
highly dangerous for the user. The same applies
to changing the mains power cable.
• Do not use electrical appliances inside the appliance.
• If you have a lockable appliance, do not keep the
key near the appliance or within reach of children.
• The appliance is designed for use in enclosed
areas. Do not operate the appliance outdoors or
in areas where it is exposed to splash water or
damp conditions.
• The LED light strip illuminates the interior of the
appliance. It is not suitable for lighting a room.
• Do not install the appliance in the immediate
vicinity of an air-conditioning unit. The appli-
ance should also not be operated under a wall-
mounted air-conditioning unit.
• The appliance is not suitable for storing blood
bottles pursuant to DIN 58371.
• In special elds of application which are subject
to their own standard, the user is responsible for
complying with this standard.
• Do not allow naked flames or ignition sources
to enter the appliance. When transporting and
cleaning the appliance, ensure that the refrigerant
circuit is not damaged. In the event of damage,
make sure that there are no ignition sources
nearby and keep the room well ventilated.
• Do not stand on the plinth, drawers or doors or
use them to support anything else.
• This appliance can be used by children of 8 years
old and over, and also by persons with restricted
physical, sensory or mental capacity or lack of
experience and knowledge, if they are supervised
or have been instructed on safe use of the appli-
ance and understand the resulting risks. Children
must not be allowed to play with the appliance.
Cleaning and user maintenance must not be
carried out by children without supervision.
• Avoid prolonged skin contact with cold surfaces or
chilled/frozen food. This could cause pain, numbness and frostbite. In the case of prolonged skin
contact, protective measures should be taken,
e.g. gloves should be worn.
• Do not store explosives or sprays using com-
bustible propellants such as butane, propane,
pentane, etc. in the appliance. Electrical components might cause leaking gas to ignite. You
may identify such sprays by the printed contents
or a flame symbol.
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Features
- Audible and visual temperature alarm.
- Audible and visual door open alarm.
- Floating contact for connection to a remote monitoring system.
- Serial interface (RS485) for external temperature and alarm
documentation.
- Maximum/minimum interior temperatures are stored.
- Last 3 temperature alarms are saved with time, date and duration
of alarm.
- Last 3 power cuts are saved with time, date and duration of power
cut.
- Safety thermostat to avoid temperatures below +2°C.
It is essential to use these safety facilities to avoid damage
to stored items. These facilities must not be deactivated or
decommissioned!
Range of appliance use
The appliance is designed for storing and cooling pharmaceuticals to DIN 58345 as long as the
following conditions are satised:
• The appliance only complies with DIN 58345 if
the battery of the power failure alarm integrated
in the appliance is fully charged (see section
entitled "Electrical connection").
• The appliances only satisfies the requirements
of DIN 58345 with its factory temperature set-
ting. If the temperature setting is adjusted (which
can only be done by the service technician), its
compliance with DIN 58345 will be void.
Climate rating
The climate rating indicates the room
temperature at which the appliance may
be operated in order to achieve full refrig-
eration performance.
The climate rating is indicated on the
type plate.The position of the type plate
is shown in the section entitled Description of the appliance.
Climate rating Room temperature
SN +10°C to +32°C
N +16°C to +32°C
ST +16°C to +38°C
T +16°C to +43°C
SN-ST +10°C to +38°C
SN-T +10°C to +43°C
Do not operate the appliance outside the
specied room temperature range.
Energy consumption
Temperature increase after a power failure
The appliance is not suitable for use in explosion-
hazard areas.
Setting up
• Avoid positioning the appliance in direct sunlight or near cookers,
radiators and similar sources of heat.
• The floor on which the appliance stands should be horizontal
and level. Compensate for uneven floors with the adjustable feet.
•
Do not cover ventilation openings
or grille.
• Standard EN 378 specifies that the room in
which you install your appliance must have
a volume of 1 m
ant used in the appliance, so as to avoid the
formation of inflammable gas/air mixtures in
the room where the appliance is located in
the event of a leak in the refrigerant circuit.
The quantity of refrigerant used in your appliance is indicated on the type plate on the
inside of the appliance.
3
per 8 g of R 600a refriger-
Model MKv 3910 MKv 3913
Energy consumption to
DIN 58345
Temperature increase after
a power failure from +5°C to
+10°C
16
0.8 kWh/24h 1.5 kWh/24h
50 minutes 30 minutes
Appliance dimensions
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Electrical connection
Only operate the appliance with alternating current (AC).
The permissible voltage and frequency are indicated on the type
plate. The position of the type plate is shown in the section entitled
Description of the appliance.
The socket must be properly earthed and protected by a fuse.
The tripping current of the fuse must be between 10 A and 16 A.
The socket must not be situated behind the appliance and must be easily accessible.
Do not connect the appliance using an exten-
sion cable or extension socket.
Do not use stand-alone inverters (conversion
of direct current to alternating/three-phase
current) or energy-saving plugs. Risk of damage to the electronic control system!
• Connect the appliance to the
mains - the display reads OFF.
GB
Operating and control elements
1ON/OFF button (to switch the appliance on and o)
2Selection buttons
3Set button (Enter)
4Audible warning on/o button
5Button for calling up stored alarm events
6Temperature display
7Interior light on/o button (MKv 3913)
Symbols in the display
Compressor is running
Note
It will take 24 hours for the batteries in the power failure
alarm to become fully charged.
Instructions for decommissioning the appliance
When decommissioning the appliance, it is essential
to follow the instructions in the section entitled "Shut-
ting your appliance down".
Otherwise, the power failure alarm will be activated
when the mains plug is disconnected.
LED ashing - refrigeration unit switches on after a delay. The
compressor will start automatically after the pressure in the
refrigerant circuit has equalised.
Fan is running
Appliance is defrosting
AUX Temperature display using reference sensor
Interior light is switched on (MKv 3913)
Alarm function
If appears in the display, the appliance has a fault. Consult
your nearest customer service point.
HACCP (Hazard Analysis Critical Control Point)
The HACCP display means that the power supply and
interior temperature of the appliance are recorded.
If HACCP ashes in the display, there has either been a
power failure or the temperature in the appliance exceeded
the permissible range.
Interior temperature
The temperature inside the appliance is set to +5°C (+/-3K) as
required by DIN 58345 and cannot be changed.
Important note
Items must not be stored in the appliance until
the temperature has reached 5°C.
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Switching the appliance on and o
Switching the appliance on
Keep the ON/OFF button pressed for approx. 5 seconds - the
display reads ON.
No alarm is displayed or sounded when the appliance is switched
on for the rst time.
Door open alarm
When the door is opened, the LED lights up and the tempera-
ture display begin to ash.
When the door has been left open for more than 60 seconds, the
LED
ash alternately in the display.
begin s to ash, and and the temperature indication
If the appli ance is discon nected from the m ains for a long time af ter
it has been switched on for the rst time and if the temperature
inside the appliance rises above the upper alarm limit, this will
be detected as a fault by the electronic control system (HACCP
appears in the display).
When the appliance is switched on again, this display must be
reset as shown below.
Press button
Press
The HACCP LED will now light up permanently.
Press for 5 seconds.
The electronic control system will switch back to normal operating mode.
.
+ for 5 seconds. The display will read .
Switching the appliance o
Keep the ON/OFF button pressed for approx. 5 seconds - the
display reads OFF.
The audible warning signal sounds.
If the door has to stay open for longer in order to insert items to be
cooled, cancel the audible warning signal by pressing button
Setting the delay time for the door open alarm
The time before the audible warning signal sounds after the door
has been opened can be adjusted.
Press
Setting range = 1 - 5 minutes
Use buttons and to select the desired setting.
Press for 5 seconds.
for 5 seconds. Display =
Display =
Display = (minute)
Display =
.
Audible warning signal
The audible warning signal will sound in certain alarm events.
It can be cancelled by pressing button
.
Power failure alarm
In the case of a power failure, the
audible warning signal will sound
and
display.
If HACCP appears in the refrigerator’s display, the
temperature has risen above the upper alarm limit
of + 8°C.
Check the temperature progression as described in the section
entitled
Calling up stored alarm events
and then make a decision on what you wish to do with the items
stored in the refrigerator.
will be shown in the
The electronic control system will switch back to normal operating mode.
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Audible warning signal settings
GB
Alarm messages
The audible warning signal will be muted for the current alarm
after the button
Complete the following steps if you want the audible warning
signal to reactivate automatically.
Press
Display =
Display =
Display =
Display =
Display =
Display =
Display =
Display =
has been pressed.
for 5 seconds. Display =
1. LED flashes
appears in the display, the appliance has a fault.
If
Consult your nearest customer service point.
2. LED
The power failure alarm battery is supplying too low a voltage
or is defective.
Consult your nearest customer service point.
3. LED
The interior is too warm (HI) or too cold (LO).
The audible warning signal sounds.
4. HACCP flashes - the current interior temperature,
and
There has been a power cut of some length or the interior was
too warm or too cold during a certain period of time.
Up to three alarm events can be stored and called up.
flashes and appears in the display
flashes, the display reads HI or LO
are displayed alternately
Automatic reactivation of the audible warning signal is now active.
The time before the audible warning signal sounds again must be set.
Display =
Display = Time in minutes after which the audible
warning signal will sound again after the
button
range = 1 - 120 minutes.
Use buttons
Display =
Press for 5 seconds.
The electronic control system will switch back to normal operating mode.
and to select the desired setting.
has been pressed. Setting
Alarm test
This test checks the function of the internal and any external
connected alarm device.
The appliance does not stop its refrigerating function during
this test.
Activating the test
Press
• The display will change to a temperature value of 0.2°C below
the set upper alarm limit.
• The temperature value will now rise by 0.1°C every 2 seconds.
• When the upper alarm limit is reached,
display. An external alarm unit connected to the floating alarm
output will now be activated.
• The temperature value will continue to rise up to 0.2°C above
the upper alarm limit.
• The same process will take place automatically for the lower
alarm limit.
The LED
+ for 5 seconds.
will appear in the
will appear in the display.
will be lit during the test.
The electronic control system will automatically switch back to
normal operating mode.
Cancelling the test prematurely
Press
for 5 seconds.
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Calling up stored alarm events and reading
the temperature progression
Example of an alarm query
Situation: HACCP ashes in the display.
Display =
Scroll through the list using or .
Number of temperature alarms
Last temperature alarm
Last temperature alarm but one
Temperature alarm before
Number of power cuts
Last power cut
Last power cut but one
Power cut before
Period in hours in which the maximum and minimum interior
temperatures were measured
Maximum (highest) measured temperature
Lowest measured temperature
Select the required item using the
again to return to the list.
button. Press this button
Display =
Display =
Display =
Press this button until appears in the display.
Display = 1 power failure has occurred.
Display =
Display =
Display = Year 2014
Display = Month 05 (May)
Display = Day 30
There has not been an alarm status with
a too high or too low temperature. You
must switch to display
Last power failure.
.
Note: You can exit the menu at any time by pressing
seconds.
If no button is pressed within 60 seconds, the electronic control
system switches back automatically.
for 5
Resetting the recorded temperature progression
Complete the following steps if you wish to reset the value saved
for
in the previous section to 0.
Display =
Press the button or until appears in the display.
Display = -
Press for 5 seconds. Display = .
Display = Hour 23
Display = Minute 14
Display = The power failure lasted 3 hours.
Press
The HACCP LED will now light up permanently.
The electronic control system is now ready for the next alarm.
Press
The electronic control system will switch back to normal operating mode.
+ for 5 seconds. The display will read .
for 5 seconds.
The values for
temperature) are then reset to the current interior temperature.
Press
The electronic control system will switch back to normal operating mode.
20
and (highest and lowest measured interior
for 5 seconds.
Page 9
Changing the network address
When connecting several appliances via the RS485 interface,
each appliance must have its own network address.
GB
Setting the real time clock
The real time clock is preset (CET). Other time zones or summer/
winter time must be adjusted manually.
Press
Use buttons or to change the network address ( - ).
Press for 5 seconds.
The electronic control system will switch back to normal operating mode.
for 5 seconds. Display =
Display =
Display =
Display =
Display =
Resetting the parameters to factory settings
The alarm limits and sensor calibration values can be reset
to the factory settings using this function.
Press
for 5 seconds. Display =
Display =
Display = Year 2014
Display = Set the year by pressing the buttons.
= save new setting
Display = Mo n th (1-12)
Display = Set the month by pressing the
buttons.
= save new setting
Display = Day (1- 31)
Display = Set the day by pre ssing the buttons.
Pull out the mains plug.
Keep
Display =
The electronic control system will switch back to normal operating mode.
pressed and connect the mains plug.
Display =
= save new setting
Display = Days of the week (1 = Monday, 7 =
Sunday)
Display = Set the day of the week by pressing the
buttons.
= save new setting
Display = Hour (0-23)
Display = Set the hour by pressing the
buttons.
= save new setting
Display = Minute (0-59)
Display = Set the minutes by pressing the
buttons.
= save new setting
Press
The electronic control system will switch back to normal operating mode.
for 5 seconds.
Note
When appears in the display, the real time clock must
be reset.
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Interior light MKv 3913
The interior light is tted on the inside at the top.
The interio r light can be switch ed
on and o using the
The light intensity of the LED
light corresponds to laser
class 1/1M.
button.
Defrosting
The appliance defrosts automatically. The water that forms on the
rear wall drains into a reservoir at the back of the appliance and
evaporates automatically through the compressor heat.
Setting the display indication for the defrost
phase
The following indications can be set for the defrost phase.
Important
The light cover may only be
removed by customer service
sta.
If the cover is removed, do not look directly at the light
through optical lenses from close distance.
This can damage your eyes.
Safety lock
The lock in the appliance door is equipped with a safety mechanism.
Locking the appliance
• Insert the key as shown by arrow 1.
• Turn the key 90°.
To unlock the appliance, the same
procedur e must be repeated in the
same order.
• Symbol
perature in the interior of the appliance.
• Symbol
(factory setting).
• Symbol
+ alternating display of and the current tem-
+ temperature before the start of the defrost phase
+ .
Change the display during the defrost phase
Press for 5 seconds. Display =
Display =
Use buttons and to select the desired setting.
= alternating display of and the current temperature in
the interior of the appliance.
= temperature before the start of the defrost phase.
= display of only.
Display =
Press for 5 seconds.
The electronic control system will switch back to normal operating mode.
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Cleaning and disinfection
Always switch o the appliance before cleaning and disinfecting it.
GB
Malfunctions
You may be able to rectify the following faults by checking
the possible causes yourself:
Disconnect the appliance from the mains.
• Only disinfect the appliance with ethyl alcohol-based products.
• First clean the soiled areas and grid shelves with a damp cotton
cloth.
• Clean the interior container, grid shelves and outer walls with
lukewarm water, ethyl alcohol-based cleaning products or waterbased household cleaning products.
Do not use chemical solvents or any cleaning agents containing
sand or acid.
Do not use steam cleaners because of the
risk of injury and damage.
• Ensure that no cleaning water penetrates
into the elec trical components or ventilation
grille.
• The dust should be removed from the re-
frigeration unit and heat exchanger - metal
grid at the back of the appliance - once a
year.
• Appliance does not function:
– Is the appliance switched on?
– Is the plug correctly fitted in the mains socket?
– Is the fuse intact?
• Loud running noise:
– Is the appliance set up firmly on the floor?
– Does the appliance cause nearby items of furniture or objects to
vibrate? Please note that noises caused by the refrigerant circuit
cannot be avoided.
• The temperature is not low enough:
– Is the temperature setting correct (see "Setting the temperature")?
– Does the separately installed thermometer show the correct
reading?
– Is the ventilation system working properly?
– Is the appliance set up too close to a heat source?
•
– Reset the real time clock (see "Setting the real time clock").
If none of the above causes
apply and you cannot rectify
the fault yourself, contact the
nearest customer service
department stating the type
designation
ber
ber
type plate.
appears in the display:
1, service num-
2and appliance num-
3 as indicated on the
• Do not damage or remove the type plate on the inside of the
appliance. It is very important for servicing purposes.
• The appliance’s materials are only resistant to the cleaning
products listed above.
• Regular cleaning and disinfection prevents severe soiling.
The position of the type plate is shown in the section entitled
Description of the appliance.
Shutting your appliance down
If the appliance is to be left switched o for any length of time,
complete the following steps to disconnect the power failure
alarm battery from the electronic control system.
• Keep the ON/OFF button
the display reads OFF.
• Press
> The display will read
• Remove the plug.
• Clean the appliance and leave the door open in order to prevent
unpleasant smells.
+ for 5 seconds.
pressed for approx. 5 seconds -
.
The appliance complies with the relevant safety regulations and
EC Directives 2004/108/EC and 2006/95/EC.
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External alarm
We recommend connecting the appliance
to an external alarm device.
There are various connection options at
the back of the appliance.
The appliance may only be connected
to an external alarm device by trained
personnel.
Floating alarm output
These three contacts can be used to connect the appliance to
an optical or acoustic alarm device.
The connection is designed for a maximum of 42 V/8 A DC from
a safety extra-low voltage (SELV) source (minimum current:
150 mA).
Important
W h en su p pl y in g m a in s v ol t ag e t o t he o a ti n g a la r m c o n t a c t,
the technical safety requirements of standard EN 60335
will not be satised.
Connection to
RS485 interface
Terminating resistor
When connecting several appliances
via the RS485 interface, the terminating resistor must remain on the last
appliance.
Remove the terminating resistors
from the appliances in between.
Note
The connectors are secured with
screws. To remove the connectors,
undo the left and right screws.
Floating alarm
output
N.O
Alarm output
Connection for a visual warning light or
an acoustic alarm signal.
N.C
Operating light
Connection for a control lamp to indicate
that the appliance is in normal mode.
COM
External power supply unit
42 V/8 A DC maximum
Minimum current: 150 mA
RS485 interface
Rx- / Tx-
Send/Receive data cable (negative
pole)
Rx+ / Tx+
Send/Receive data cable (positive
pole)
24
GND
Earth cable
Page 13
Changing over door hinges
1. Unscrew the hinge bracket.
Important: The doo r mounting has
a spring mechanism enabling the
door to close by itself. The hinge
bracket turns to the left when the
screws are undone.
2. Pull the door out at the bottom
and lift o.
3. Transfer handle and plugs to the
opposite side of the door.
GB
4. Transfer pin on hinge bracket to the
opposite side.
5. Transfer upper hinge components to
the opposite side.
6. Transfer cover plate to the opposite
side.
7. Mount door on hinge pin and close.
8. Insert hinge bracket in lower door
mounting.
9. Turn hinge bracket by 90° - spring
is compressed. Screw on hinge
bracket.
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