Cole Parmer 05017-10, Руководство пользователя

Страница: 23 / 45

6. Reattach the side panel using the six side panel screws.
7. Connect the vacuum hose to the Vacuum Inlet Port on the side of the
oven and open the Vacuum valve. Close the door and the Purge Inlet
Port by turning Purge valve clockwise completely.
8. Plug the oven in and switch the ON/OFF toggle to the ON position.
The top and bottom displays will alternately flash between time of
day/day of the week and chamber temperature/pressure, respectively.
Caution The maximum allowable current in auxiliary circuit is 6 amps. See
Performance Characteristics for contact ratings before applying power.
s
9. Press the SET key until PUMP is displayed in the upper display
window. Press the UP arrow key. The lower display window should
show ON. Press the SET key again or leave as is for two seconds. The
contacts will close and the pump should turn on. Control will then
revert to the default mode after five seconds.
10. While the pump evacuates the chamber, the chamber pressure should
begin to drop as indicated by the lower display. The bottom display
alternately shows chamber pressure (in Hg) and chamber temperature
(°C).
11. To turn off the pump, press the SET key until PUMP is displayed in
the upper display window. Press the DOWN ARROW key. OFF
should then be displayed in the lower display window. Press SET or
leave as is for two seconds. The auxiliary pump contacts will open and
the pump should turn off.
As noted above, the vacuum pump can be controlled as described or
manually using an external switch.
To set the oven temperature, begin by pressing the SET key. The upper
display will show SP while the lower display indicates the last set
temperature or OFF, indicating the heaters are turned off. Next use the
UP/DOWN arrow keys to toggle through temperature values. When the
desired temperature is displayed, press the SET key to enter the value.
Return to the default mode by continuously pressing MENU or leave as is
for two seconds and control will revert to the default mode automatically.
Note If fast warm up is desired, the temperature must be set at
approximately 25°C higher than the final temperature, then set back to the
final temperature when the oven reaches a temperature within 10°C of the
final temperature.
Vacuum Oven 6-5 Cole-Parmer
Section 6
Operation
Auxiliary Pump
Contacts (continued)
Setting the
Temperature