[Equest-users] Correct schedule for Outside lights with Photocell

Nick Caton ncaton at smithboucher.com
Mon Jul 28 08:46:36 PDT 2014


You can successfully use the photocell control options creating a schedule of the type "multiplier" for exterior direct loads.

Attached is a discussion on the matter with a nested-attached-discussion including some INP examples.

Fractional might work as well - I found multiplier to work for me at one point and didn't look back =).


[cid:489575314 at 22072009-0ABB]


Smith & Boucher Engineers
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From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of John Aulbach
Sent: Monday, July 28, 2014 12:13 AM
To: Equest-users
Subject: [Equest-users] Correct schedule for Outside lights with Photocell

Hi all:

I asked this question before, but did not receive an answer. I am hopeful some can help.

I am setting up an outside light schedule per ASHRAE 90.1 for LEED. It requires that a time clock or a photocell be controlling the outdoor lighting.

Lighting  schedules (Annual, WEEK, and DAY) are required to be ON/OFF to allow the FORCE-OFF configuration for photocell usage.

HOWEVER, to place these lights in EXTERIOR DIRECT LOADS on the electric meter,  THAT input only accepts a FRACTION type of schedule.

How do I "shoehorn" the outside lights into the model with the photocell operation?

Thanks in advance.

John R. Aulbach, PE
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