Forma Scientific 3546 - 6.2 CO2 Control Module Calibration

Forma Scientific, Inc._____________________________________________Service
6-4
6.2 CO
2
Control Module Calibration
These calibration procedures will be necessary only under the following
conditions. DO NOT calibrate the incubator for any other reasons!
♦ After the CO
2
controller is replaced.
♦ After the CO
2
sensor is replaced.
♦ If there is reason to believe that the controller has previously been calibrated
incorrectly.
Tools Needed:
Calibration screwdriver (provided).
Circuit board extender card (provided).
FYRITE CO
2
Analyzer.
The following procedures are to be carried out in the sequence given. To
prepare the incubator for calibration:
 Turn off all electric power to the incubator.
 Remove the CO
2
Control Module by pulling out the black plastic button
locking button on the bottom of the module. (Figure 6-2.)
 Firmly pull the button rearward until the circuit card releases from the
internal connector strip.
 Attach the extender card to the back of the control module circuit board.
(Refer to Figure 6-1.)
 Return the control module with extender card attached to the incubator
control panel. Press the module firmly into the panel until the connector strip
is seated. The control module will protrude a few inches from the incubator
panel.