Specifications

3. Ensure the exhaust system is operating.
4. Set flow control valve so flow indicator reads be-
tween 40 and 45 liters per minute. (Check regu-
lator to ensure 20 psi pressure).
5. Switch power switch to “ON”.
6. Depress run button. Controller will automatically
step the program through the various steps out-
lined earlier.
7. When the program has ended, the controller will
maintain the chamber temperature at a value
equal to the last programmed level (PL) until the
program is cancelled. It will not automatically
cool to ambient unless last programmed level
(PL) is set at ambient. When a program is can-
celled the controller will maintain the chamber
temperature at a value equal to the main set
point (SP1 or SP). To cancel a program depress
and release the “UP” and “DOWN” push buttons
simultaneously. Be sure single set point mode is
set to 20 degrees as described earlier in this
manual.
8. At the end of the program, turn the flow control
valve fully clockwise to the closed position.
35
INSTALLATION AND OPERATION OF AIR CONTROL