[Equest-users] Heating in summer

[Michael Campbell]

>From reviewing the SS-A report, I can see that the heating energy is being
used by the RTU furnaces.  In my baseline model, these are modeled as PTACs
with hot water coil heat, with no heating energy mid-summer.  Any ideas for
how to fix this?



*Mike Campbell, EIT, LEED AP O+M
Sustainability Specialist*

(610) 569-1047 office

(610) 569-1040 fax

mike at sustainablesolutionscorporation.com

www.SustainableSolutionsCorporation.com<http://www.sustainablesolutionscorporation.com/>



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[image: Description: WBE_cmyk_CP copy] [image: Description:
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*From:* Ron Pecarina [mailto:rp.esdc at gmail.com]
*Sent:* Tuesday, September 25, 2012 11:29 PM
*To:* Michael Campbell
*Cc:* equest-users at lists.onebuilding.org
*Subject:* Re: [Equest-users] Heating in summer



Need to review some of your inputs.  The HW loop is set to STANDBY which
means the pump will run whenever a system fan is scheduled on and the
system's heating is available.  Looking at your input, the HW loop is
always on as system fans are on 24/7 and heating is always available.  The
PMZS units have gas furnaces with the cold deck control = RESET.  The
default hot deck control is CONSTANT at 120F as input.  PMZS has a default
minimum hot deck airflow of 1%.  Each of these units is 100% outside air
24/7.

On Tue, Sep 25, 2012 at 2:51 PM, Michael Campbell <
mike at sustainablesolutionscorporation.com> wrote:

Hello,



I have an issue for my proposed design for my LEED model.  It ends up using
a significant amount of gas for heating during the summer.  However, the
baseline model is not using gas for heat during the summer.  Does anyone
have an idea for why this might be?



Thanks,



*Mike Campbell, EIT, LEED AP O+M
Sustainability Specialist*

(610) 569-1047 office

(610) 569-1040 fax

mike at sustainablesolutionscorporation.com

www.SustainableSolutionsCorporation.com<http://www.sustainablesolutionscorporation.com/>







*This email message and any attachments are for the sole use of the
intended recipient(s) and may contain confidential and privileged
information. Any unauthorized review, use, disclosure or distribution is
prohibited. If you are not the intended recipient, please contact the
sender by reply email and destroy all copies of the original message and
any attachments.*




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-- 
Ron Pecarina, PE, CEM, LEED-AP BD&C
Energy and Sustainable Design Consultants, Inc.
1128 Noblewood Drive
Billings, MT   59101
406-208-0227
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