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9060-Zirconia Analyser
4.5 BURNER BYPASS SWITCH
This switch is mounted on the terminal PCB near the POWER switch.
Before the heater in a heated probe, or the alarms will be enabled, the probe must be
enabled. There are two ways of doing this.
Use the safety interlock on terminals 18 & 19 (BURNER ON switch), or press the
BURNER BYPASS switch to the ON position. While the BURNER BYPASS switch is on
there will be an alarm, "Burner Bypass".
If it is not needed to have the transmitter interlocked with the combustion appliance
terminals 18 & 19 can be connected together.
4.6 DISPLAY BACKLIGHT
If the ambient temperature measured inside the transmitter cabinet exceeds 35°C, the
backlight will be turned off one minute after the keypad is used. This is aimed at reducing
one of the major sources of heat within the cabinet when the ambient temperature is high.
The backlight will come on again as soon as a button is pressed.
The internal reference air pump (if fitted) will start cycling on and off every minute, above
35°C.
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