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Canon PSC 2000 User Manual

Page 53

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2000 Fire Door-Fan Manual

updated 2002-05-28

Page 53 of 58


Balancing Indoor/Outdoor Temperature Readings



The control console includes a balancing potentiometer to make
the OUT TEMPERATURE agree with the IN TEMPERATURE. The value

is mostly cosmetic since a 10°F error only yields a 1% error.
Because overall equipment accuracy is 5%, chasing this 1% is not too

significant. Ensure IN and OUT probes are at the same temperature
for 10 minutes. OUT is on the UMBILICAL cord; IN is at the control

console. Turn the adjuster located to right of the thermometer

CLOCKWISE to DECREASE OUT reading; COUNTER-CLOCKWISE to INCREASE OUT.


Changing the digital Thermometers to read Fahrenheit or Celsius

Figure 1
The four 6/32 screws need to be removed so that you can
get at the backside of the Thermometers.

Figure 2
You will need to lay the Thermometers on their face to get
at the backside.

Balancing potentiometer for the
thermometers.