I can only comment on the first warning. You have specified a
value in the “Return Air Fraction” field but you have no return air system
(PTAC) so the gains are being placed back into the space. Read through the I/O
Internal Gains section for more information on the adjustment of these
fractions.
Alan
Jackson, LEED AP
KlingStubbins
From:
EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On
Behalf Of Hu,Jia
Sent: Monday, October 26, 2009 3:36 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Some warnings of the input file
Hello,
I used EnergyPlus to
simulate a small office which a window. Two lights and a PTAC
template is used. Two ref. points is set in the office to measure the
illuminance and glare level.
I use the version 3.1 to
run the simulation. There are five warnings in my input file . I have uploaded
my input file, ERR text and my weatherfile to "Files > _Problem_Submittals " And the zip file name
is "some warnings".
Could anyone explain why there are the following two
warnings or help me to fix these warnings? Thank you in advance.
** Warning ** For zone=RINKER BUILDING OFFICE
return air heat gain from lights will be applied to the zone air.
** ~~~ ** This zone has no
return air or is served by an on/off HVAC system.
** Warning ** World Coordinate System
selected. Any non-zero Building/Zone North Axes or non-zero Zone Origins
are ignored.
** ~~~ ** These may be used in daylighting
reference point coordinate calculations but not in normal geometry
inputs.
Thank you.
JH
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