Numeric coils lacking unit displayed as discrete states in HA history

[bj00rn]

Bug Report

Heatpump model:

S1256

Firmware version:

4.4.7

Current Behavior

I guess this is probably HA related, but I opened it here for discussion for a possible fix.

Numeric coils lacking unit displayed as discrete states in HA history graph.

Seems to be related to unit_of_measurement not being added in sensor setup.

I suspect a fix would be to indicate if a coil is numeric without relying on unit.

See the graph below for the total increasing number of compressor starts.

Expected behavior/code

Numeric sensor history should be displayed as graph.

A clear and concise description of what you expected to happen (or code).

Possible Solution

Add a way to differentiate wether coil is a number or represents an enumerator.

Additional context

Add any other context about the problem here. If applicable, add screenshots to help explain.