8
Turn the knob to set an operating time of 1-999 minutes. The timer function starts autom
atically and the “Countdown” led
flashes to indicate that the value displayed refers to the time left. At the end of the set time all functions (heating and stirring)
stop automatically and “End” appears on the display.
NOTE
: The temperature and time left
can be displayed alternately by pressing the relative knob. The “Countdown” function
remains active at all times even if the display is showing the temperature.
3.2 Setting mode
Turn the left knob twice from the minimum to the maximum during the visualization of the software version in order to enter
into the setting mode.
Once there, by turning the left knob, it is possible to pass from one of the following parameter to the next ones:
Turn the right knob from the minimum to the maximum and then back to the minimum in order to pass to the parameter you
want to modify. The display will show the value saved for 3 seconds, and then the new value according to the position of the
right knob. The new value is automatically saved after 4 seconds, if during this time the right knob is not moved. “End” is
shown and then the system goes back to the main menu.
Once the new values are set, switch off and restart the instrument.
(*)
When
A
is selected: in case of black-out, once the power is back the device will remain off
When
b
is selected: in case of black-out, once the power is back the device will automatically restart with the latest
settings
3.3 Error messages
If an error message appears on the display, please contact VELP Scientifica’s technical service department.
When the display shows an error message, the stirring and heating functions stop automatically.
NOTE:
To remove the error message disconnect the instrument from the power supply.
AL1
Thermocouple is out of range
AL2
Excessive heating time
AL3
The stirring system doesn’t run correctly
4. Maintenance
No routine or extraordinary maintenance is necessary apart from periodically cleaning the unit as described in this manual.
In compliance with the product guarantee law, repairs to our units must be carried out in our factory, unless previously
agreed otherwise with local distributors. The instrument must be transported in its original packaging and any indications
present on the original packaging must be followed (e.g. palletized). It is the responsibility of the user, to properly
decontaminate the unit in case of hazardous substances remaining on the surface or interior of the device. If in doubt about
the compatibility of a cleaning or decontamination product, contact the manufacturer or distributor.
4.1 Cleaning
Disconnect the unit from the power supply and use a cloth dampened with an non-inflammable non-aggressive detergent.
5. Technical data
Power supply
230 V / 50-60 Hz or 115 V / 60 Hz
Dimensions WxHxD
203x93.5x344 mm (8x3.68x13.5 in)
Weight
3.5 Kg (7.7 lbs)
Power input
800 W
Motor rating output
10 W
Dimension of the heating plate
180 x 180 mm
Programmable temperature range
5
– 550 °C
Type of temperature control
Digital
Overtemperature protection
Yes
Stirring capacity
15 liters of H
2
O
Programmable speed range
50
– 1500 rpm
Type of motor control
Electronic
Programmable operating time
From 1 to 999 minutes
Noise level
<< 80 dBa
Temperature range
+5…+40 °C
Storage temperature range
-
10…+60 °C
Max humidity
80%
Level of electrical protection CEI EN60529
IP 42
Overvoltage category
II
Pollution degree CEI EN61010-1
2
Max altitude
4000 m
Parameter shown
Default value
Range
Description
FS
tCJ
550
0 ÷ 550°C
Maximum temperature settable
OPt
tyP
b
A
– b
(*)
Restarting mode
