[EnergyPlus_Support] Counterparts

["eric_zhou1223" <eric_zhou1223@xxxxxxxxx>]

Hi all,

I notice there are variables following below when I run the ERV 
modules:

HVAC,Average,Heat Exchanger Total Heating Rate[W]
HVAC,Average,Heat Exchanger Total Cooling Rate[W]
HVAC,Average,Stand Alone ERV Zone Total Heating Rate[W]
HVAC,Average,Stand Alone ERV Zone Total Cooling Rate[W]

Does the "HVAC,Average,Heat Exchanger Total Heating/cooling Rate[W]" 
refer to Q_total for heat exchanger on Page 541(equation 479) in 
EngineeringReference.pdf(ver 1.30), while the "HVAC,Average,Stand 
Alone ERV Zone Total Heating/Cooling Rate[W]" refer to Q_total for 
ERV on Page 683?

What is the difference between the Q_ERV and Q_HEX ?

I guess the two heat transfer happen in sequence: first the Q_HEX 
and the air outlet condition is found; and then the Q_ERV come into 
being to the zones..

Next,the "Zone,Meter,HeatRecoveryForHeating:EnergyTransfer [J]" 
finally accumulates the ""HVAC,Average,Heat Exchanger Total 
Heating/cooling Rate[W]"".

Is my knowledge right?

Thank you.
Eric





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