Route the intput hot air from the leg of the T.  At max deflection of the valve the output is either going out forward (summer) or going rearward into the cabin (cold winter).  Intermediate settings are up to your needs.

Grayhawk

On Tuesday, September 9, 2014, George Wehrung <gw5 [at] me.com

> wrote:

Can anyone send pics and or installation instructions for the cockpit heat valve located on the engine side of the firewall?



I and Lancair have tried to find the install manual but the only ones available are for the pressurized ES' and IVs which use a turbo setup. The one we have is taking the heat from the exhaust muffler into tube facing the engine compartment and venting through the downward tube of the T shape valve.  The problem that I see is if the valve is cracked open because it did not fully close is that heat is still coming into the cabin.



If I reroute the heat from the bottom the valve would have to be opened quite a bit to allow heat in.



Also, has anyone thought about bringing in outside air through the engine compartment to behind the instrument panel to help cool the avionics?







Sent from my iPad

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