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Posts: 5
Joined: Fri Jul 05, 2019 5:40 pm

777 Cabin Temperature Controllers (CTC)

Sat Jul 06, 2019 1:13 am

Hello, I’m wondering what the function of the CTC is. I’ve heard it mentioned before and it does something to control the A/C system, but I’m not sure what. Does it modulate the pack valves, control trim air, or something else? Thanks all!
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Posts: 490
Joined: Thu Apr 08, 2010 8:19 pm

Re: 777 Cabin Temperature Controllers (CTC)

Sat Jul 06, 2019 6:45 am

The CTCs control air flow into the air conditioning packs and control the mix manifold temperature.


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