Quote:
Originally Posted by mrd
The SI manual indicates virtually everything is controlled by thermistors. See the EEV control section. Also, it appears the compressor frequency is controlled to meet a indoor hx target temperature. The indoor fan speed is controlled to meet the indoor thermostat temperature.
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That's really useful, thanks!
The Daikin units I've looked at (and the one I ripped my EEV's from) all had low side pressure sensors, so they use a different control strategy for the compressor speed.
Either way, that Fujitsu SI contains some very useful information (much more so than the Daikin manuals I've looked at).