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Description of Control Panel
Figure 2. Control Panel Description
1. Display – The Liquid Crystal Display (LCD) shows
parameter set during scheduling program and actual
measured values.
2. Program buttons – 9 programs, 3 of which have quick
start buttons that are modifiable. Loading a program is
achieved by pressing the corresponding Program button.
The following parameters are automatically loaded onto
the screen:
•
Temperature set point
•
Heat time
•
Run time
3. Run/Stop Button – Press this to START or STOP a run.
4. Preheat/Precool Button – Used to turn on the heater
or refrigeration system to heat or cool the chamber prior
to loading samples.
5. Increase Button – When pressed, the last selected set
point will increase.
6. Enter Button – To select a parameter to change, press
the enter button. Arrows on the display will point to the
parameter that may be altered.
7. Decrease Button – When pressed, the last selected set
point will decrease.
Note: The programs are for convenience only. Prior to use,
users are advised to conduct a risk assessment to confirm
that the program parameters meet the user's application
specific needs and conditions. Users accept the risks
associated with using these programs.
To store a program in one of the 3 quick start programs,
simply set the desired parameters and then press one of the
Program 1, Program 2, or Program 3 buttons and the
Program is stored.
8 | Operation
The parameters displayed in the screen are stored into the
program and can be loaded for use later.
•
PreTemp - Use to pre-heat or cool the chamber to
–4°C to 100°C prior to beginning a run or between runs.
Once a run is initiated, the pre-heat automatically stops.
Note that the PreTemp function is only enabled if the
temperature set point is different than "no".
When the temperature is set to "no", the heat time is
defaulted to "0.00" while executing the run.
Press the increase or decrease button until the desired
set point is displayed. The actual chamber temperature,
is displayed to the right. When power is being supplied to
the heaters, a bar under the actual temperature will
illuminate. The chamber will continue to maintain the set
point temperature until either the "PREHEAT/COOL"
button is pressed again or the "RUN" button is pressed.
•
Temperature Settings - Temperature Display Indicates
the set temperature or the actual temperature during a
run in °C.
The temperature set point can be set from –4°C to 99°C
at a 1°C interval. In addition, to change the "Temperature"
set point, press the set point "ENTER" button until arrows
point to the "Temperature" set point, which can be
changed from –4°C up to 99°C by pressing the increase
or decrease buttons. The set point is 100°C, if the display
shows "HI." The last entered set point is stored in
memory.
•
Time Settings – Time display Indicates the heat timer or
the run timer set points. The SRF110 allows two different
temperatures to be programmed for user specified
periods of time. If sequential temperatures are not
desired, set Time at 2 to "0". When both programmed
times expire, the rotor will stop, the heater and
SpeedVac™ SRF110 Refrigerated Vacuum Concentrator
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