Dear all,
I have a LEED model, after switched the version into v3.64 from v3.63, a lot of insufficient heating warnings like below are reported, the percent of hours outside throttling range is also rise, while the model has been adjusted to no warnings and within 300hours in v3.63, it's a VAV system with electric cooling in summer and purchased heat in winter.
**WARNING**********************************************************************
ZONE E21 North Perim Zn (G.N1)
might have insufficient heating capability.
Check that the SYSTEM or ZONE HEATING-CAPACITY plus this
ZONEs BASEBOARD-RATING is adequate to maintain the ZONE
specified DESIGN-HEAT-T for the calculated peak ZONE load
(see LS-A or LS-B for the ZONE peak load.)
ZONE E21 North Perim Zn (G.N1) has a THERMOSTAT-TYPE
of REVERSE-ACTION, which, when added to the issues listed
in the messages above, will cause excessive underheating.
I noticed both No.33 and No.46 in file Bugfixes-047h.pdf
Thanks in advance for your help!
Best Regards
Kevin Tang
Project Engineer | Energy Solution | Owens Corning China
Tel: 8621-6101 9622 | Fax 8621- 6101 9588
Kevin.tang at owenscorning.com
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