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Monitoring VAV System Airflow Setpoint

NC-v4 EQp1: Minimum indoor air quality performance
posted by J Schütz on May 30, 2022, 5:13 am

Hello,

the credit language requires: "An alarm must indicate when the outdoor airflow value varies by 15% or more from the outdoor airflow setpoint." In the course of a coordination with...

Last reply: Maria Porter, Jun 8, 2023, 3:49 am

Restroom, public or pivate?

NC-v4 EQp1: Minimum indoor air quality performance
posted by Norbert Harmathy on Apr 20, 2023, 11:00 am

Hello,

We are working on a historic office building project for LEED New Const. & Major Renovation, and we have restrooms on each floor which are used slowly...

Last reply: Afogreen Build, May 30, 2023, 8:27 pm

Airflow Monitoring for constant volume with DCV

NC-v4 EQp1: Minimum indoor air quality performance
posted by Nancy Henderson on Mar 15, 2018, 1:11 pm

We are working on a YMCA with multiple single zone packaged rooftop units.  The engineer has designed every unit with CO2...

Last reply: Aaron Yorke, May 10, 2023, 9:48 am

Monitoring- Measurement of Supply / Return Air Flow- Speed in VAV Recirculating AHU

NC-v4 EQp1: Minimum indoor air quality performance
posted by Omer Moltay on Jan 19, 2023, 3:27 pm

Dear All,

Has anyone experience on whether having air speed sensors in both the supply and return ducting of a recirculating variable air speed...

Last reply: Dave Hubka, Mar 1, 2023, 11:48 pm

Natural ventilation compliance using energyplus Airflow Network

NC-v4 EQp1: Minimum indoor air quality performance
posted by Alessandro Zuanon on Feb 9, 2023, 8:42 am

Dear all,

i'm in the case of a warehouse in which natural ventilation is provided (CIBSE tool ok), but i have to demonstrate compliance with ASHRAE 62.1-2010 through simulation. I cannot...

automatic indication devices

NC-v4 EQp1: Minimum indoor air quality performance
posted by Francesco Passerini on Mar 9, 2022, 9:20 am

For monitoring of naturally ventilated spaces the following option is available: "Provide automatic indication devices on all natural ventilation openings intended to meet the minimum opening...

Last reply: Zeynep Cakir, Feb 9, 2023, 6:05 am

Major Renovation Project- Spaces out of Scope of Work

NC-v4 EQp1: Minimum indoor air quality performance
posted by Zeynep Cakir on Feb 6, 2023, 3:40 am

Hello everyone,

My question is related to major renovation projects. Are the spaces not undergoing renovation and out of scope of renovation work exempt from the credit requirements?

...

62.1 vs 170

NC-v4 EQp1: Minimum indoor air quality performance
posted by Dianne Herrin on Sep 26, 2016, 10:11 am

Hello - I am working on a new construction VA Medical Center that has been designed using the ventilation rates in ASHRAE Standard 170-2008 as per the v4 NC-Healthcare. Can we still qualify for...

Last reply: Michelle Bombeck, Aug 12, 2022, 4:48 pm

Zone Discharge and Zone Primary Airflow

NC-v4 EQp1: Minimum indoor air quality performance
posted by Luke Brooman on Apr 21, 2021, 10:58 am

I am looking for clarification on the Zone Discharge Airflow (Vdz) and Zone Primary Airflow (Vpz) values under the multiple zone systems. The spreadsheet note for Vdz states it is the expected...

Last reply: Devendra Chaughule, Aug 10, 2022, 9:29 pm

Natural ventilation Parking garages

NC-v4 EQp1: Minimum indoor air quality performance
posted by Antonio Galicia on Jul 26, 2022, 5:11 pm

Hi everyone

I'm working on an office building where is necessary to design natural ventilation for the parking zones. In order to achieve the ventilation requirements, it's enough to have...