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Archive => Archive => Pluto Main General Issues => Topic started by: archived on July 25, 2006, 08:15:13 pm

Title: control air conditioner indoor units
Post by: archived on July 25, 2006, 08:15:13 pm

I would like to control four AC indoor units from pluto. Of cource control them over IR with the gc100 should work with most of them. But I would prefer connecting them directly by wire. Toshiba, Daikin and Mitsubishi have LON-gateways, but they are very expensive.

Does somebody know AC indoor units which can be easily connected to PC technology (perhaps over RS232 or something) ?

Any experience in that? Or is the IR option still the better one?

Post by: archived on July 26, 2006, 05:39:05 pm
The way I have seen it done is you purchase a zone controler that plugs into the AC unit and Heat Pump. Then you plug your thermostats and or temperature sensors into the controler. I have seen a few from (

They also offer dampners that can shut off the AC or heat to certain rooms or locations. You can plug each rooms sensor into the one controler and then plug the dampners into the controler. Then control each room individualy or the whole house.

I think they are mostly controled through RS-232/485.

Smarthome offers a lot of various solutions for any size project. I have recently been turned on to Insteon and am waiting for Pluto to add support to thier system. Good luck.