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Air conditioning decode threads

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Joined: 20 Mar 2004
Posts: 7055
Location: Florida

PostPosted: Wed Jul 25, 2012 8:08 am    Post subject: Air conditioning decode threads Reply with quote

I've been hunting some airconditioning information, and thought I'd put together some samples to look at.

Air Conditioner signals are typically very long because they encode all the settings in each signal (ie, fan speed, on/off, temp, etc) as this allows them to give you a visual readout on the remote without really having a bi-directional signal between the A/C and the remote. So this is a case where you often need an IR Widget (or something similar) to capture the full signal.

Samsung Signals - Complete list of decodes, very informative thread
56bit code
Frequency 38000
Leadin 3018-9080
One 498-1579
Zero 498-566

Bosch Signals
Frequency 39098
Leadin 4500-4425,
One 665-1534
Zero 665-460

Sharp Comfort Touch
Frequency [38001];
Leadin 3346-1700
One 401-1278
Zer0 421-421

Friedrich signals
Frequency 37735,
Leadin 3312-1672
One 424-1240
Zero 424 - 407

Daikin "Aircon" a/c FTXS20CVMB (remote ARC433A1) - Excellent thread on decoding of this protocol

leadin pair: +3440 -1745
ONE pair: +425 -1300
ZERO pair: +425 -440
leadout1 pair: +425 -30,000
leadout2 pair: +425 -100,000

format: leadin, fixed data string, leadout1, leadin, variable data string, leadout2 (repeat leadout2 if button held)
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