Chapter 4: Using Your RapidVap Vertex Evaporator
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Nitrogen Control Valves
– Used to turn nitrogen flow ON or OFF to the
nozzles above the sample vials. The top valve controls the 10 nozzles on the
top row. The second valve controls the second row of 10 nozzles. The third
valve controls the middle row of 10 nozzles. The fourth valve controls the
fourth row of 10 nozzles. The bottom valve controls the bottom row of 10
nozzles. Push the lever to the right to turn nitrogen flow ON.
Nitrogen Pressure Regulator
– Used to adjust the gas pressure and gas flow
rate to the nozzles. To adjust the gas pressure to the nozzles, the gas supply
must be connected. Open all of the control valves that will be used during the
run. Turn the unit ON and press Run, the main gas supply valve will open.
Pull the knob of the Pressure Regulator out and rotate the knob clockwise to
increase pressure, counter clockwise to decrease the pressure. The operating
pressure is displayed on the knob. Once the pressure is set push the regulator
knob in and press Stop.
The pressure can be adjusted at any time during the run. Also note that
opening or closing any of the Nitrogen Control Valves without adjusting the
pressure will change the flow rate at each nozzle.
The flow rate of gas is approximately 1 cfm (28.3 L/min) per row of 10
nozzles when pressure is set at 24 PSI (165 KPA).
Digital Display
– The touch screen LCD is used to control run time and
temperature, preheat temperature and other functions as described below.
Operating the RapidVap Vertex Evaporator
Controls
When the power switch on the left hand side is turned ON the opening
display will show:
(In all diagrams, the numbers are just examples and will vary)
Press open area above °C or °F symbol to change the degree display to show
°C or °F. All parameters that are entered will be remembered in the
microprocessor memory and will remain entered until reset.
BLOCK
SAMP
52
51
°C
Run
Pre Heat
Prog
