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the difference between "Cooling Coil Sensible Cooling Rate"and"Zone Predicted Sensible Load to Cooling Setpoint Heat Transfer Rate"

asked 2018-01-04 21:38:17 -0500

Richard gravatar image

updated 2018-01-05 08:24:39 -0500

The module i used is HVAC Template:Zone:FanCoil .

I found there is a little difference between "Cooling Coil Sensible Cooling Rate" and "Zone Predicted Sensible Load to Cooling Setpoint Heat Transfer Rate".

What is the difference between these two?

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answered 2018-01-05 07:43:57 -0500

The zone predicted sensible load tells you how much energy is needed to meet the thermostat set point temperature. The cooling coil sensible cooling rate tells you how much energy the coil transferred to the air, which also include fan heat and outdoor air load, if any. See if the fan heat accounts for the difference.

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So ,the zone predicted sensible load doesn't include outdoor air sensible load right? The fan heat load is quite little normally, i guess the main difference comes from outdoor air sensible load.

Richard gravatar imageRichard ( 2018-01-07 20:21:24 -0500 )edit

Yes, zone loads do not include outside air, but coil loads do.

Anna Osborne Brannon gravatar imageAnna Osborne Brannon ( 2018-01-08 17:52:24 -0500 )edit

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Asked: 2018-01-04 21:38:17 -0500

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Last updated: Jan 05 '18