14
OPERATING YOUR ST9420C
Enquiry Mode
As the heart of your system, the ST9420C has access to temperature information
from the other system components, and allows you to enquire about this information.
To enter Enquiry Mode, ensure the slider is in the RUN position, then press and
hold the
button for 4 seconds.
The LoT™ Display will show the message ‘INFO MENU’ to confirm that you have
entered Enquiry Mode.
Pressing the
or buttons then allows you to step around and view the available
information. The LoT™ Display will continue to update to tell you what information
is being viewed, and the main display will show the value. If the information is not
available, the display will show dashes -- -- instead of a temperature value. The table
below shows the type and sequence of information available in Enquiry Mode.
To exit Enquiry Mode:
If the button is not pressed for 30 seconds, your ST9420C will return to RUN mode.
Information LoT™ Message Other display symbols
* Room temperature ROOM TEMP
* Room temperature setting ROOM SET
Ŧ Hot water temperature WATER TEMP
Ŧ Hot water temperature setting WATER SET
* This information will be available if you have a room temperature control system, with a DT92E
room thermostat.
Ŧ
This information will be available if you have a hot water control system, with a CS92A hot water
thermostat.
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