Liebherr WTes 5872 Vinidor - Manual (Page 7)

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+0.5°C
Cal. 5.0°C +0.5°C
8,0 °C
7,5 °C
7,0 °C
6,5 °C
6,0 °C
5,5 °C
5,0 °C
4,5 °C
4,0 °C
3,5 °C
3,0 °C
2,5 °C
2,0 °C t1 t2 t3 t4 t5 t6 t7 t8 t9
+ 2 ˚C
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Laboratory refrigerators and laboratory fridge-freezer with Comfort electronic controller
W herever fl oor space is limited or under-worktop installation
is planned, the Mediline laboratory refrigerators with
Comfort electronic controllers are the ideal solution. These
appliances meet the exacting demands made of laboratory
appliances. The range comprises two freestanding and two
underworktop laboratory refrigerators, in each case with glass door
and solid door versions. The temperature can be set from +3 °C to
+8 °C. The forced-air cooling system in conjunction with the
precision electronic controller ensures temperature consistency
and uniform temperature distribution in the interior. The LCv 4010
laboratory fridge-freezer further extends the range of compact
laboratory appliances. It has two separately adjustable cooling
circuits providing the utmost temperature stability and temperature
consistency for both the refrigerator compartment and the freezer
compartment.
Laboratory appliances in compact format
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Integrated alarm systems
A visual and audible temperature alarm alerts the user if temperature deviation limits are exceeded. The
parameters for the temperature alarm can be individually set. In addition, a visual and audible door alarm is
activated if the door is open for longer than 1 minute. The door-open alarm delay can be adjusted between
1 and 5 minutes. Furthermore, the laboratory appliances with Comfort electronic controllers have a visual
power failure alarm when mains power returns and a sensor defect alarm.
The Comfort electronic controller
The precision Comfort electronic controller with digital temperature display enables temperatures
to be set accurately. Symbols indicate the operating status of the appliance at all times. To satisfy
laboratory hygiene requirements, the Comfort electronic controller is fl ush-mounted and has an
easy-clean membrane keypad.
Maximum temperature stability and temperature consistency
The forced-air cooling system in conjunction with the precision Comfort electronic controller ensures
maximum temperature stability and high temperature consistency in the interior. All the laboratory
appliances with Comfort electronic controllers are tested according to the NF X 15-140 standard with regard
to maximum temperature stability and optimal temperature consistency.
Integrated data memory with min/max temperatures
The Comfort electronic controller has an integrated data memory. It logs the maximum and minimum internal
temperatures that occurred once the set temperature was reached, the last three temperature alarms and
power failures, together with the time, date and duration of the alarm. The respective data can be recalled
using the AlarmLog function and read on the display panel.
1-point calibration
The laboratory appliances with Comfort electronic controllers provide 1-point calibration for accurate temperature
control. This permits compensation between the set temperature and the actual internal temperature.
Positive or negative changes to the correction value can be made in steps of 0.1K.
External temperature and alarm connections
The laboratory appliances with Comfort electronic controllers are equipped with a volt-free contact for alarm
forwarding to an external remote warning system. In addition, the appliances have an RS 485 serial interface for central
documentation of the temperature profi le data and alarm events.
Safety thermostat
Laboratory appliances are fi tted with a safety thermostat to ensure the temperature does not fall to below +2 ˚C.
This means that, in the event of a fault, any sensitive products being stored are protected from damage.
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