[Equest-users] Occupancy Sensors

[Mark Nieman]

I have done this in the past with a multiplier, say a 10% reduction with
occupancy sensor vs. without. Here's an example where I've used a global
parameter to use 90% of the baseline values. The #pa("Light OS Occ
Factor") pulls the variable Light OS Occ Factor from the global
parameter.

 

$ ---------------------------------------------------------

$              Global Parameters

$ ---------------------------------------------------------

 

PARAMETER

   "Light OS Occ Factor" = 0.9  ..

 

$ ---------------------------------------------------------

$              Day Schedules

$ ---------------------------------------------------------

 

"Lt OS WD" = DAY-SCHEDULE-PD

   TYPE             = FRACTION

   VALUES           = ( 0, &D, &D, &D, &D, {.1*#pa("Light OS Occ
Factor")}, 

         &D, {.3*#pa("Light OS Occ Factor")}, 

         {.9*#pa("Light OS Occ Factor")}, &D, &D, &D, &D, &D, &D, &D,
&D, 

         {.5*#pa("Light OS Occ Factor")}, {.3*#pa("Light OS Occ
Factor")}, 

         &D, {.2*#pa("Light OS Occ Factor")}, &D, 

         {.1*#pa("Light OS Occ Factor")}, 0 )

   ..

 

"Lt OS Sat" = DAY-SCHEDULE-PD

   TYPE             = FRACTION

   VALUES           = ( 0, &D, &D, &D, &D, &D, 

         {.1*#pa("Light OS Occ Factor")}, &D, 

         {.3*#pa("Light OS Occ Factor")}, &D, &D, &D, 

         {.15*#pa("Light OS Occ Factor")}, &D, &D, &D, &D, 0 )

   ..

 

Mark Nieman, PE, CEM | McKinstry | Sr. Energy Engineer 
d 206.832.8152 | m 206.510.4760 | f 206.832.8552 
FOR THE LIFE OF YOUR BUILDING 

From: equest-users-bounces at lists.onebuilding.org
[mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Charles
Welch
Sent: Monday, August 30, 2010 2:21 PM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Occupancy Sensors

 

Anybody know a good way to handle occupancy sensors in rooms?

 

Thanks,

 

Charles Welch


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