[Bldg-sim] Equipment Loads

[estuder]

While the 90.1 User's Manual does provide schedules, it does not tell you
what the average maximum power demand is.  Getting power demand information
from elevator vendors is, well, tricky.  The best approach could be to
determine the motor size of the elevator and apply a loading factor to it.
What is a good loading factor?  Good question - how about 50%?  Does anyone
else have any suggestions on this?

Eric


  	-------Original Message-------
From: James V Dirkes II, PE
To: 'Hopf, Johannes' , bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] Equipment Loads
Sent: Apr 26 '10 18:24


Dear Johannes,


The ASHRAE 90.1 User Manual has “typical” schedules for elevator use in
Table G.


The Building Performance Team
James V. Dirkes II, P.E., LEED AP
1631 Acacia Drive NW
Grand Rapids, MI 49504
616 450 8653


FROM: bldg-sim-bounces at lists.onebuilding.org
[mailto:bldg-sim-bounces at lists.onebuilding.org] ON BEHALF OF Hopf, Johannes
SENT: Monday, April 26, 2010 6:32 AM
TO: bldg-sim at lists.onebuilding.org
SUBJECT: Re: [Bldg-sim] Equipment Loads


I have another problem calculating loads


How can I determine how much energy an elevator consumes? I know the power
the elevator needs if it is in operation. But how can I estimate how many
times a day the elevator operates?

Any suggestions?


Freundliche Grüße


Johannes Hopf


VON: bldg-sim-bounces at lists.onebuilding.org
[mailto:bldg-sim-bounces at lists.onebuilding.org] IM AUFTRAG VON Sasa Pantic
GESENDET: Samstag, 24. April 2010 02:03
AN: bldg-sim at lists.onebuilding.org; LukeWilson
BETREFF: Re: [Bldg-sim] Equipment Loads


Hello Luke,

Try with ASHRAE Fundamentals 2005 , Ch 30. Look for Internal heat gains for
appliances.
If there is no specific info for washer & drier, pick similar appliances
and use the data for your calculations.
Hope this helps.
Best, Sasa

--- On FRI, 4/23/10, WILSON, LUKE wrote:


From: Wilson, Luke
Subject: [Bldg-sim] Equipment Loads
To: "bldg-sim at lists.onebuilding.org"
Date: Friday, April 23, 2010, 10:20 PM


Hello all, happy Friday.


I have a model that has a commercial grade washer and dryer in a space. I
have no equipment information. Can anyone give me some heat load estimates
for these types of equipment? It doesn't have to be perfect, I just need to
account for some heat load.


I appreciate your help,


_* PLEASE NOTE OUR NEW CONTACT INFORMATION AND OPERATING ENTITY *_


LUKE WILSON, EIT, LEED AP BD+C


3005 Carrington Mill Blvd., Suite 550, Morrisville, NC 27560

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