Operating Controls - Velp Scientifica MULTI-HS 6 Manuel D'instructions

NOTE: the main cable must remain far away from the hot plate. It can be substituted only by main cables with same features (T=90°C,
connector C15).

3. Operating controls

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Commissioning
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Stirring
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Heating
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NOTE: this warning is not active if the instrument is not powered.
NOTE: in case of black-out, once the power is back the device restarts in the set restarting mode
(see chapter 5 "Strt mode")
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Timer
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Autoreverse
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Lock
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Switch on the instrument through the main switch (2)
Display shows software version, the last set point values and OFF on both displays (if "Start mode" is set
on Stop, see chapter 5)
Adjust motors speed set point by turning the speed control knob (3)
Click the knob to start stirring
The speed increases until set point achievement
A microprocessor ensures constant speed even when the viscosity changes (counter-reaction)
Switch off the stirring by clicking the knob
Adjust heating plate temperature set point by turning the temperature control knob (4)
During all the time of set point adjusting, the temperature set point led (B) is switched on
Click the knob to start heating
Display shows real plate temperature for 3 seconds and temperature set point for 1 second alternatively
When temperature set point is visualized, the relative led (B) turns on
While the instrument is heating, the Heating ON led (A) turns on
Switch off the heating by clicking the knob
When heating function is off and the heating plate temperature exceeds 50 °C, the message "Hot" is
shown on the temperature display until temperature falls below 50 °C
To access the timer function, click the Timer/autoreverse/lock button (E)
On the displays
t I n E
Set the timer turning the speed control knob until the desired value and click to confirm
Timer led (C) turns on
Timer countdown starts when one of the main functions is on or when temperature reaches set point value
(see chapter 5, "Time Strt")
When countdown is active, timer led flashes
Esc timer menu: a) click twice timer/autoreverse button
b) wait 5 seconds without touching any knob
When timer countdown ends,
It's possible stirring continues if the parameter "time Sped" is ON (see chapter 5)
To access autoreverse function click twice the Timer/autoreverse/lock button (D)
On the displays
A.rEu
Set the autoreverse turning the speed control knob until the desired value and click to confirm
The autoreverse led (D) turns on
Autoreverse starts when stirring is on
Holding the Timer/autoreverse/lock button (E) for 3 seconds, the instrument will lock it's settings during
operations.
Unlock the control panel by holding the Timer/autoreverse/lock button (E) for 3 seconds.
If other buttons are clicked while the instrument is locked, the LEDs around the lock button will blink for few
seconds.
are visualized
h h.n n
E n d t I n e
is shown until operator action.
are visualized
n n. s
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