Humidifying Setpoint Schedule

asked 2015-01-22 09:55:40 -0600

Yan
1181 ●3 ●14 https://www.linkedin.c...

updated 2015-01-22 14:07:32 -0600

Neal Kruis

4745 ●10 ●17 http://bigladdersoftware.com/

Dear all,

Does anybody have the problem of adding humidifying setpoint schedule?

I am simulating a 10-story building with air-side economizer (fixed dewpoint and dry bulb control) and would like to control the humidity in zone. I made a humidifying setpoint schedule and successfully added it to first 5 random zones (no matter that the zone is). However, when i was trying to add the schedule to other zones, it failed and the previous zones also lost the schedules. When I ran the model, there was also error saying all the zones were lack of humidify schedules. I don't know what's the problem, anybody has this experience? Thanks.

Best wishes,

Yan

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answered 2015-01-22 12:53:40 -0600

MatthewSteen

10147 ●1 ●19 ●26 https://www.nrel.gov/b...

This is a bug in 1.5.0 which should be fixed in 1.6.0 due to be released soon. I would suggest removing all humidity objects in your model for now and wait to try it out in 1.6.0.

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1.6.0 is posted, but I'm concerned this might be something other than the issue @MatthewSteen reported and I fixed. Let us know if the issue persists.

Kyle Benne ( 2015-01-22 13:59:37 -0600 )edit

Hi Kyle, I'm using version 1.7.0 and am facing the exact same issue. I also cannot specify "humidifying setpoint schedule". Whenever I specify a schedule and click "apply to selected", the schedule disappears.

Moreover, I am trying to model an evaporative cooler and cannot find the option for specifying a humidistat, say e.g. "ZoneControl:humidistat".

Kindly help us out with this. Thank you in advance.

Rehan Khalid ( 2015-06-28 16:47:06 -0600 )edit

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answered 2015-08-16 10:18:44 -0600

Lincoln

1521 ●1 ●11 http://www.kw-engineering.com/

When defining the schedules to be used by the humidistat be sure to define the unit type for the schedule as 'percent'. See this post for more details:

https://github.com/NREL/OpenStudio/is...