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<div class=Section1>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>Hello All,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>My simulation
won’t run because of unusual errors that I’ve never seen before, but that I
picked up when looking at the details of the QC report:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>Here is a summary
of the errors. If anyone has seen this before and may have ideas about
what’s causing it, I’d really appreciate the help. <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>I haven’t attached
the .pd2 and .inp file due to file size, but I can forward them to anyone who’s
interested in taking a peek.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>Many thanks,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>Luka<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>====================================================================<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>4) Hours of
Operation
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Hours of
Operation
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Fan vs. Occupancy
Hours
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
The average occupancy / fan operation ratio for the building is -72480000.00
and appears high (error above 1.75, see PS-E & SS-C reports).<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Fan vs. Lighting Operating
Hours
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
The average hours of light operation / fan operation ratio for the building is
0 and appears low (error below 0.25, see PS-E & SS-C reports).<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Fan vs. Equipment Operating
Hours
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
The average hours of plug load operation / fan operation ratio for the building
is 0 and appears low (error below 0.25, see PS-E & SS-C reports).<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>5) HVAC Equipment
Descriptions
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Air-Side Checks
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
CFM/ton of
cooling
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
The supply air flow for system 'E1 Sys1 (PIU) (B)' is 120000.0 cfm/ton and
appears high (see SV-A report).<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
User Input Equipment Performance
Curves
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Curve coefficients sum to
1
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
The sum of the coefficients for the 'ForCurve w Inlet Vanes FPLR' curve is 0.99
and does not equal 1 (check Curve Inputs for errors).<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>6) Zone Control
and Equipment
Sizing
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Primary Equipment Unable to Meet
Loads
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Chillers
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Chillers on Loop: 'Chilled Water Loop' have a total Capacity to Load Ratio of
-1.00 and may be undersized (Error: Ratio < 0.90) <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>Total Chiller Capacity
on Loop = -2 (Btu/hr)<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>Peak CHW Loop Load
= -1 (Btu/hr)<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>Chiller:
'Chiller1a (ElCentHerm)' capacity = -1 (Btu/hr)<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Chiller: 'Chiller1b (ElCentHerm)' capacity = -1 (Btu/hr)<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Boilers
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Boilers on Loop: 'Hot Water Loop' have a total Capacity to Load Ratio of -0.00
and may be undersized (Error: Ratio < 0.90) <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>Total Boiler
Capacity on Loop = -2 (Btu/hr)<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>Peak HW Loop Load
= -1 (Btu/hr)<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>Boiler: 'Boiler1a
(HWNatDrft)' capacity = -1 (Btu/hr)<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Boiler: 'Boiler1b (HWNatDrft)' capacity = -1 (Btu/hr)<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Circulation Loop
Overload
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Circulation Loop
Overload
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>7) HVAC Load &
Performance
Results
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Monthly Pattern of HVAC
Loads
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Heating Coil Loads
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
System 'E1 Sys1 (PIU) (B)' has a high Summer/Winter heating coil load ratio of
1.0 (error over 0.2, see SS-D report).<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Primary HVAC Equipment
Performance
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Average Chiller
COP
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
'Chiller1a (ElCentHerm)' Average Yearly COP (Total Annual Output/Total Annual
Input) = -1.0 and may be low (Error: Ratio <= 1).<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
'Chiller1b (ElCentHerm)' Average Yearly COP (Total Annual Output/Total Annual
Input) = -1.0 and may be low (Error: Ratio <= 1).<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
Average Cooling Tower COP
<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
'Open Tower' Average Yearly COP (Total Annual Output/Total Annual Input) = -1.0
may be low (Error: Ratio <= 1).<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA style='font-size:10.0pt'>
<o:p></o:p></span></p>
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