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Difference between Cycling PTAC and PTAC

asked 2015-06-09 15:29:59 -0500

tajjmann's avatar

updated 2015-06-11 09:04:40 -0500

I need notes (from NREL or any other authentic source) on the difference between CYCLING PTAC DX COOLING ELEC HTG and PTAC DX COOLING ELEC HTG.

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answered 2015-06-10 09:24:07 -0500

updated 2015-06-10 09:30:13 -0500

The cycling PTAC units in OpenStudio's HVAC library are configured with FanOnOff and will cycle the fan on and off with the coils. The non cycling PTAC units are configured with FanConstantVolume and will run the fan according the PTAC availability schedule even if the coils are inactive.

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@tajjmann: please mark the answer as accepted if you're satisfied so the post is flagged as resolved.

Julien Marrec's avatar Julien Marrec  ( 2015-06-15 10:37:14 -0500 )edit

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Asked: 2015-06-09 15:29:59 -0500

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Last updated: Jun 10 '15