User manual

14 Orion LT Weather Station
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Bottom of the Transmitter
1: Alignment direction sign
2: Service port
3: Water tight cable gland
4: Unused cable gland, covered
5. Optional 8-pin M12 connector (not supplied with standard system).
Mounting Adapter
To facilitate easy installation and north alignment, the Orion LT Sensor Transmitter comes standard with
a mounting adapter. The mounting adapter is easily connected on the end of the mast and the sensor
transmitter simply snaps into it. The north alignment needs to be performed only once.
Heating (Optional)
Heating elements located below the top stainless steel cap and inside the wind transducers keeps the
precipitation and wind sensors free from snow and ice. A heating temperature sensor (T
h
) underneath the
top stainless steel cap controls the heating.
Three fixed temperature limits, namely +3 °C, -2 °C, and -4 °C (+37 °F, +38 °F, +25 °F) control the
heating power as follows:
T
h
> +3 °C heating is off
-2 °C < T
h
< +3 °C 50% heating power
-4 °C < T
h
< -2 °C 100% heating power
T
h
< -4 °C 50% heating power