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How to add FCUs and FAHUs together?

I am using detailed HVAC and have assigned 32 Fan Coil Units (PTAC) to 32 zones of the building I am simulating. Now all the zones are also connected to 3 Fresh Air Handling Units.

Problem is when I assign the FCUs and select the zones in zone groups then how do I assign FAHUs to all zones, as they disappear from zone group options because they already are assigned the FCUs?

Junaid Bin Masood - The Petroleum Institute

asked 2017-01-24 02:23:17 -0500

updated 2017-05-06 08:29:02 -0500

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First, please see the post: https://unmethours.com/question/21541...

Then go to the zone group and select any thermal zone. Select “Add Direct air” option and put it in your thermal zone.

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After that go to “Add Loop” tab and select “Add Generic Air Loop”.

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The last step is to connect the AHU to the fresh air intake and to the exhaust. You can put a heating and cooling coil, based on your design.

answered 2017-01-25 01:20:38 -0500

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