[Equest-users] Beginner Question on Fan schedule

[RobertWichert]

Thanks Chris!  I'll try to figure it out.  Adding those reports within 
EnergyPro may be trivial though.

Thanks again.



Robert Wichert P.Eng. LEED AP BD&C
+1 916 966 9060
FAX +1 916 966 9068







===============================================

On 1/27/2013 2:10 PM, Chris Jones wrote:
> I don't think the behavior of INTERMITTENT changed from DOE2.1e to 
> DOE2.2.  The DOE2.1e Supplement has the same wording as the DOE2.2 
> manual.
>
> I would add some hourly reports - supply cfm, OA ratio, heating energy 
> and cooling energy.   Run for both CONTINUOUS and INTERMITTENT.  There 
> may be some differences in the amount of outdoor air that is being 
> introduced.
>
> At 11:20 AM 27/01/2013, RobertWichert wrote:
>> Thanks for the link to the manuals and such, Chris.
>>
>> I am also investigating "intermittent" as it affects EnergyPro, which 
>> claims to use "DOE-2.1E* v119".
>>
>> The issue involves using "INTERMITTENT" and how that affects heating 
>> energy.  Heating energy drops dramatically when "INTERMITTENT" is 
>> invoked.  It drops so far that it does not seem realistic, although 
>> no errors or flags result that I can find.
>>
>> I have found some references to "INTERMITTENT" causing negative CFM: 
>> http://doe2.com/download/DOE-22/Bugfixes-047h.pdf 
>> <http://doe2.com/download/DOE-22/Bugfixes-047h.pdf>
>>
>> Question - Do you (or anybody on the list) have any ideas why 
>> invoking "INTERMITTENT" in a program that uses DOE-2.1E*V119 would 
>> show such effects on heating energy (very, very, very low)?????
>>
>>
>> Thanks for thinking about this!
>>
>>
>>
>>
>>
>> Robert Wichert P.Eng. LEED AP BD&C
>> +1 916 966 9060
>> FAX +1 916 966 9068
>>
>>
>>
>>
>>
>>
>>
>> ===============================================
>> On 1/27/2013 7:47 AM, Chris Jones wrote:
>>> Hello Jay,
>>> Do you have the DOE2.2 Reference manuals? DOE2.2Vol2-Dictionary.pdf 
>>> explains what the INTERMITTENT keyword means.
>>>
>>> See page 361 under INDOOR-FAN-MODE.
>>>
>>> The reference manuals are available for download at
>>> http://doe2.com/download/doe-22/ <http://doe2.com/download/doe-22/>
>>>
>>> Download the latest edition of each manual and enjoy!
>>>
>>>
>>> At 05:29 PM 26/01/2013, Jay M wrote:
>>>> Hi all,
>>>>
>>>> I tried searching for an answer on archives but unable to find an 
>>>> answer.
>>>>
>>>> I in Schematic Mode I set fan to "intermittent"  meaning HVAC fan 
>>>> is only on when heating/cooling is needed...
>>>>
>>>> 1) if I set it a value of "1" fan is on alwayst on
>>>> 2) Set 0 Fan is "off"
>>>>
>>>> Since it is in intermittent mode, when i set to 0.... there is 
>>>> never any cooling.  what am I doing wrong?  Because if i set fan 
>>>> schedule in Detailed edit mod to 1 the fan is always on and I don't 
>>>> want that.
>>>>
>>>> I want intermittment fan schedule  but it's either 1 or 0 in the 
>>>> fan schedule...
>>>>
>>>>
>>>> Thanks!
>>>> _______________________________________________
>>>
>>> >>
>>> Christopher Jones, P.Eng.
>>> Suite 1801, 1 Yonge Street
>>> Toronto, ON M5E1W7
>>> Tel. 416-203-7465
>>> Fax. 416-946-1005
>>> email cj at enersave.ca <mailto:cj at enersave.ca>
>>>
>>>
>>>
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>>
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>
> >>
> Christopher Jones, P.Eng.
> Suite 1801, 1 Yonge Street
> Toronto, ON M5E1W7
> Tel. 416-203-7465
> Fax. 416-946-1005
> email cj at enersave.ca
>

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