[Equest-users] Wish list - for retrofit analysis

Charles Land cland at geo-marine.com
Thu Feb 2 12:58:03 PST 2012


I agree. I see this a lot.  There needs to be a MA setpoint (economizing) control that is separated from than the SA setpoint control.

From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of atowell at cxegroup.com
Sent: Thursday, February 02, 2012 12:24 PM
To: Paul Diglio; R B; eQUEST Users List
Subject: Re: [Equest-users] Wish list - for retrofit analysis

I would like to see a way to input inefficient systems. For example I have a system right now where the placement of the mixed air sensor and the discharge air sensor fight each other and cause the unit to cool air that it will immediately heat up. There doesn't seem to be a way to model this type of inefficiency.

Adam Towell
CxE Group, LLC
618-659-9461

From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Paul Diglio
Sent: Thursday, February 02, 2012 11:15 AM
To: R B; eQUEST Users List
Subject: Re: [Equest-users] Wish list - for retrofit analysis

Wish List:

I would like to be able to attached a boiler or cooling tower to a geo-thermal loop and control either one based on loop temperature setpoint instead of using a schedule.

Paul Diglio, CEM, CBCP
87 Fairmont Avenue
New Haven, CT 06513
203-415-0082

www.pdigliollc.com<http://www.pdigliollc.com>


________________________________
From: R B <slv3sat at gmail.com>
To: eQUEST Users List <equest-users at lists.onebuilding.org>
Sent: Thu, February 2, 2012 12:08:21 PM
Subject: [Equest-users] Wish list - for retrofit analysis
Way back, some one was collecting list of items that people want to see incorporated in eQuest. Not sure if it is still happening, but figured I would put it out there if someone is listening.

Ease of use -

1. Setup to use pdf file in the wizard for geometry. Sketchup allows this. Most of these old buildings do not have dwg files, one can get only pdf's. This will really save a lot of time, even if the rest of the following does not get implemented.
2. When the wizard creates the inputs, like 0.5 cfm/sqft, or min flow of 0.3, can it be created as a user/wizard default value, so that if one wants to change it in detailed mode, it can be changed by just changing this one value instead of going through all the zones. Same for lighting and plug loads - enter one value that acts as default and can be changed easily.
3. Option for no OA at the zone level in the wizard.
4. The schedules for lighting and plug loads - the minimum is pretty low - 0.05 for lighting, which doesn't happen even in new high performance buildings that I have worked with. Can the default be changed to 15-20%. I know that I can change it in the wizard, but no harm in asking since it saves a step in the multitude of steps. Similarly, for plug loads, the default min should be pretty high - 30-40%.
5. A place to input utility monthly data, so that eQuest can directly calculate the calibration values like CVRMSE etc. This will save the going to excel step.
6. When the HVAC system is parallel or series fan powered box, just keep it for the external zones and make the internal zones with SVAV and no reheat. This is what I have seen in every building that I have modelled so far.

On the system side, can we have an option for the OA system without having to go through dummy zone? A system that sends its OA to all the child systems and gets the return from these child systems. This way, the OA system can have energy recovery or heating, cooling etc. It will be like a regular system without the hassle of dummy zones, and the return temperatures will be from the child systems and not that of the dummy zone. This system will be easy to implement since it is not connected with the building load calculation side at all.

If folks have faster methods to model/data entry for any of the above, I am all ears.

Thanks
-Rohini
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