Teledyne API T703/T703U Calibrator Operation Manual Principles of Operation
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9.5.3.1. O3 Generator Temperature Control

In order to operate at peak efficiency the UV lamp of the O3 generator is maintained at a
constant 48ºC. if the lamp temperature falls below 43ºC or rises above 53ºC a warning
is issued by the CPU.
This temperature is controlled as described in the section on the relay PCA (see Section
9.2.3.2). The location of the thermistor and heater associated with the O3 generator is
shown below:
UV Lamp
UV Lamp
Thermistor
O
3
Generator
Heater Control PCA
(Heater is located beneath
the PCA)
Figure 9-17: O3 Generator Temperature Thermistor and DC Heater Locations
07223C DCN6572