Type of zone sum to use

asked 2021-07-02 10:33:30 -0500

mfath gravatar image

updated 2021-07-09 16:30:42 -0500

Hi,

I would appreciate it if someone could help me with the "Type of zone sum to use" field in the "Sizing:System" option. There are two selections available for this option (i.e., coincident and noncoincident). I am wondering what are the differences btw these two options and what systems characteristics should I expect to change using each item?

Best, Mohammad

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Comments

I believe coincident and noncoincident refer to the airflows in parallel branches of the airloop occurring at the same time or at different times. For a central air system you may have one or more zones on the demand side of the loop that are receiving conditioned air; my hunch is that it is related to splitting branches either on the supply side or demand side.

sashadf1 gravatar image sashadf1  ( 2021-07-02 17:59:14 -0500 )edit