[Equest-users] PHOTOCELL-CTRL problem
B. Fountain
bfountain at greensim.com
Fri Oct 23 13:17:03 PDT 2009
Yes -- that is exactly my understanding. That would simulate solely
photocell control.
The only time you would not do that is if there was some other override
also controlling the lighting.
> Brian,
>
> Does that mean that you could technically set the day schedule to be all
> ones and have the annual schedule switch off the lights when the sun
> comes up?
>
> Vikram Sami, LEED AP
> Direct Phone 404-253-1466 | Direct Fax 404-253-1366
> LORD, AECK & SARGENT ARCHITECTURE
>
>
> -----Original Message-----
> From: equest-users-bounces at lists.onebuilding.org
> [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of B.
> Fountain
> Sent: Friday, October 23, 2009 4:04 PM
> To: Nick Caton
> Cc: equest-users at lists.onebuilding.org
> Subject: Re: [Equest-users] PHOTOCELL-CTRL problem
>
> Nick,
>
> Yes, you can edit the exterior lighting fractional schedule with the
> photocell keywords. You need to add this in the .inp -- it is not
> currently in the eQUEST interface.
>
> "Ext ltg sch" = SCHEDULE-PD
> TYPE = FRACTION
> PHOTOCELL-CTRL = DAY-OFF
> MONTH = ( 12 )
> DAY = ( 31 )
> WEEK-SCHEDULES = ( "ext ltg wk sch" )
> ..
>
> Just tried it and it works great.
>
> Brian
>
>
>> I'm at the point of troubleshooting the application of PHOTOCELL-CTRL
> to
>> my exterior lighting loads.
>>
>>
>>
>> My lighting loads are accounted under an electrical meter as shown on
>> the attached image.
>>
>>
>>
>> The help file and previous discussions on this mailing list seem to
>> indicate that the use of PHOTOCELL-CTRL requires that the referenced
>> schedule be of the type "ON/OFF."
>>
>>
>>
>> The conflict is that a schedule applied to an exterior direct load
> under
>> an electrical meter must be of the type "MULTIPLIER." If I set up my
>> schedules as "ON/OFF" per the PHOTOCELL-CTRL directions, they don't
>> appear in the dropdown list to be selected in the attached screengrab.
>>
>>
>>
>> I want to apply PHOTOCELL-CTRL behavior for my exterior light
>> schedules... can anyone point me in the right direction to make this
>> happen? Is it possible PHOTOCELL-CTRL just works when the schedule is
>> of the type "MULTIPLIER?"
>>
>>
>>
>> Attached is the the DOE2 help file entry in its entirety for
> reference.
>>
>>
>> Also for reference, my 3 Exterior Lighting Schedules look like this at
>> the moment:
>>
>>
>>
>> ----------DAY
>>
>>
>>
>> "ExtLtg Dusk/Dawn DaySch" = DAY-SCHEDULE-PD
>>
>> TYPE = ON/OFF
>>
>> VALUES = ( 1, 1, 1, 1, 1, 1,
>>
>> 1, 1, 1, 1, 1, 1,
>>
>> 1, 1, 1, 1, 1, 1,
>>
>> 1, 1, 1, 1, 1, 1 )
>>
>> ..
>>
>> "ExtLtg Dusk/12AM DaySch" = DAY-SCHEDULE-PD
>>
>> TYPE = ON/OFF
>>
>> VALUES = ( 0, 0, 0, 0, 0, 0,
>>
>> 0, 0, 1, 1, 1, 1,
>>
>> 1, 1, 1, 1, 1, 1,
>>
>> 1, 1, 1, 1, 1, 1 )
>>
>> ..
>>
>> "ExtLtg Security DaySch" = DAY-SCHEDULE-PD
>>
>> TYPE = ON/OFF
>>
>> VALUES = ( 0, 0, 0, 0, 0, 0,
>>
>> 0, 0, 0, 0, 0, 0,
>>
>> 1, 0, 0, 0, 0, 0,
>>
>> 0, 0, 0, 0, 0, 0, )
>>
>> ..
>>
>>
>>
>> ----------WEEK
>>
>>
>>
>> "ExtLtg Dusk/Dawn WeekSch" = WEEK-SCHEDULE-PD
>>
>> TYPE = ON/OFF
>>
>> DAY-SCHEDULES = ( "ExtLtg Dusk/Dawn DaySch" )
>>
>> ..
>>
>> "ExtLtg Dusk/12AM WeekSch" = WEEK-SCHEDULE-PD
>>
>> TYPE = ON/OFF
>>
>> DAY-SCHEDULES = ( "ExtLtg Dusk/12AM DaySch" )
>>
>> ..
>>
>> "ExtLtg Security WeekSch" = WEEK-SCHEDULE-PD
>>
>> TYPE = ON/OFF
>>
>> DAY-SCHEDULES = ( "ExtLtg Security DaySch" )
>>
>> ..
>>
>>
>>
>> ----------ANNUAL
>>
>>
>>
>> "ExtLtg Dusk/Dawn AnnSch" = SCHEDULE-PD
>>
>> TYPE = ON/OFF
>>
>> PHOTOCELL-CTRL = DAY-OFF
>>
>> MONTH = ( 12 )
>>
>> DAY = ( 31 )
>>
>> WEEK-SCHEDULES = ( "ExtLtg Dusk/Dawn WeekSch" )
>>
>> ..
>>
>> "ExtLtg Dusk/12AM AnnSch" = SCHEDULE-PD
>>
>> TYPE = ON/OFF
>>
>> PHOTOCELL-CTRL = DAY-OFF
>>
>> MONTH = ( 12 )
>>
>> DAY = ( 31 )
>>
>> WEEK-SCHEDULES = ( "ExtLtg Dusk/12AM WeekSch" )
>>
>> ..
>>
>> "ExtLtg Security AnnSch" = SCHEDULE-PD
>>
>> TYPE = ON/OFF
>>
>> MONTH = ( 12 )
>>
>> DAY = ( 31 )
>>
>> WEEK-SCHEDULES = ( "ExtLtg Security WeekSch" )
>>
>>
>>
>>
>>
>>
>>
>> NICK CATON, E.I.T.
>>
>> PROJECT ENGINEER
>>
>> 25501 west valley parkway
>>
>> olathe ks 66061
>>
>> direct 913 344.0036
>>
>> fax 913 345.0617
>>
>> Check out our new web-site @ www.smithboucher.com
>>
>>
>>
>> From: Brian Fountain [mailto:bfountain at greensim.com]
>> Sent: Friday, July 10, 2009 9:12 PM
>> To: Nick Caton
>> Cc: equest-users at lists.onebuilding.org
>> Subject: Re: [Equest-users] Editing External lighting Schedule
>>
>>
>>
>> You mean something like this (from the new features help file)...
>>
>>
>> PHOTOCELL-CTRL
>>
>>
>> Accepts a code-word specifying whether the hourly value in the
>> referenced DAY-SCHEDULE can be overridden either ON (value = 1.0) or
> OFF
>> ( value = 0.0) according to whether it is day or night.
>>
>> DAY-OFF Forces the hourly schedule value to be 0.0
>> whenever the sun is up.
>>
>> DAY-ON Forces the hourly schedule value to be
> 1.0
>> whenever the sun is up.
>>
>> NIGHT-OFF Forces the hourly schedule value to be 0.0
>> whenver the sun is down.
>>
>> NIGHT-ON Forces the hourly schedule value to be 1.0
>> whenever the sun is down.
>>
>> For example, assume lighting in a parking lot is to be on from dusk
>> until 11 p.m. The earliest the lights are allowed to illuminate is 4
>> p.m., but will not actually start until the sun is down:
>>
>> "Parking Lot DSch" = DAY-SCHEDULE-PD
>> TYPE = ON/OFF
>> VALUES = ( 0., 0., 0., 0., 0., 0.,
>> 0., 0., 0., 0., 0., 0.,
>> 0., 0., 0., 1., 1., 1.,
>> 1., 1., 1., 1., 1., 0. )
>>
>> "Parking Lot WSch" = WEEK-SCHEDULE-PD
>> TYPE = ON/OFF
>> DAY-SCHEDULES = ("Parking Lot DSch")
>> ..
>>
>> "Parking Lot Sch" = SCHEDULE-PD
>> TYPE = ON/OFF
>> PHOTOCELL-CTRL = DAY-OFF
>> MONTH = (12)
>> DAY = (31)
>> WEEK-SCHEDULES = ("Parking Lot WSch")
>> ..
>>
>>
>>
>>
>>
>>
>> Nick Caton wrote:
>>
>> With regard to exterior lighting, It occurred to me today that eQuest
>> currently has the capability to determine the operating hours of
>> interior lights based on an amount of daylight, specific to the hours
> of
>> daylight occurring during the year for a given location, using the
>> daylighting functions...
>>
>> How much of a stretch/challenge would it be to accurately determine
> how
>> often photocell-controlled exterior lights are operating through the
>> year based on available daylight outside of the building??
>>
>> It might be an awesome feature to consider for future wizards: where
> one
>> simply defines the exterior lighting wattage, and could additionally
>> designates realistic timeclock/photocell controls, such as "on when it
>> turns dark and off after 2AM."
>>
>> NICK CATON, E.I.T.
>> PROJECT ENGINEER
>> 25501 west valley parkway
>> olathe ks 66061
>> direct 913 344.0036
>> fax 913 345.0617
>> Check out our new web-site @ www.smithboucher.com
>>
>> -----Original Message-----
>> From: equest-users-bounces at lists.onebuilding.org [
>> mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of
>> Matutinovic, Luka
>> Sent: Friday, July 10, 2009 9:03 AM
>> To: John Aulbach; equest-users at lists.onebuilding.org; nate murray
>> Subject: Re: [Equest-users] Editing External lighting Schedule
>>
>> I had limited success in editing the Wizard schedules by adjusting the
>> max and min thresholds on the vertical axis and the start and end
> hours
>> along the top axis. My understanding is that eQuest generates those
>> schedules based on the building type definition at the beginning of
> the
>> shell wizard. I had many headaches trying to edit the schedule after
> I
>> realized I selected the wrong building type, especially when dealing
>> with multiple shells. I inevitably end up using John's approach once
> in
>> the detailed mode.
>>
>> When people are creating models for LEED, do you use the schedules
> found
>> in the back of the 90.1 User's Manual, or do you create your own
>> schedules? How has the USGBC reviewed this issue since according to
> App
>> G, schedule creation is up to the designer and the "rating authority"?
>> It would seem to me that the USGBC wouldn't care as long as you use
>> schedules that are reasonable for the building type and anticipated
>> operation, and that the reference building uses the same ones (unless
>> daylight controls or demand controlled ventilation is being dealt with
>> through schedules and not simulation software directly).
>>
>> Any thoughts?
>>
>> Thanks,
>> Luka Matutinovic
>>
>> -----Original Message-----
>> From: equest-users-bounces at lists.onebuilding.org [
>> mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of John
>> Aulbach
>> Sent: Friday, July 10, 2009 1:47 AM
>> To: equest-users at lists.onebuilding.org; nate murray
>> Subject: Re: [Equest-users] Editing External lighting Schedule
>>
>>
>> Nate:
>>
>> The only way I know to edit such schedules is to change the mode to
>> Detailed Edit, then make the schedule changes.
>>
>> If you try to go back to the Wizard mode, those changes will be
> deleted.
>>
>> John Aulbach
>>
>> --- On Thu, 7/9/09, nate murray <natemurr at gmail.com>
>> <mailto:natemurr at gmail.com> wrote:
>>
>>
>>
>> From: nate murray <natemurr at gmail.com>
>> <mailto:natemurr at gmail.com>
>> Subject: [Equest-users] Editing External lighting Schedule
>> To: equest-users at lists.onebuilding.org
>> Date: Thursday, July 9, 2009, 5:59 PM
>> Hi,
>> I want to make the external lighting schedule so that there is a
>>
>> little bit smaller loads in april and october then the rest of
>> the
>> months. I see the monthly profiles on the External lighting
>> screen in
>> Design Wizard, but how do I go about editing those monthly
>> profiles...if that's what I should do.
>>
>>
>> Thanks,
>> --
>> Nathan Murray
>>
>>
>>
>> -----Inline Attachment Follows-----
>>
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