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Refrigeration in manufacturing equipment required & details about VRF calculation?

NC-v4 EAc6: Enhanced Refrigerant Management
posted by RDK E&S on Aug 22, 2019, 4:29 pm

Hello all, 

I'm working on a manufacturing facility that is looking to go for this credit. I have included all HVAC (rooftop units, VRFs, etc.) as well refrigeration systems for a "Cold...

Split System AC in an existing building

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Charles Marshall on Aug 14, 2019, 4:58 pm

We are working on a major renovation project that contains several split system AC units which will be replaced.  The owner doesn't have any record of the refrigerant volume that was charged for...

Default values used in calculator

NC-v4 EAc6: Enhanced Refrigerant Management
posted by RDK E&S on Aug 13, 2019, 4:52 pm

Are refrigerant GWPr and equipment life (years) typically shown on cutsheets, or are default values sufficient for this credit?

The closest I've seen is a calculator from Trane:...

Last reply: David Hubka, Aug 14, 2019, 4:17 pm

Heat pump with refrigerant

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Maria Porter on Nov 5, 2018, 7:42 am

Hi!
My project has a heat pump, Nibe F1345, and no cooling. The heat pump contains refrigerants, more than 225 g (3.4 kg each). So I should account for them in this credit, right? However,...

Last reply: David Eldridge, Nov 6, 2018, 3:53 pm

R32 Refrigerant

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Yodi Danusastro on Jan 24, 2018, 1:23 pm

Hi all. In the LEED form, the R32 refrigerant is not on the list. How to put it in form? Since its HFC refrigerant, the closest one is R410A, but R32 has better...

Last reply: Allison Smith, Jun 29, 2018, 12:06 pm

EA Enhanced refrigerant management

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Loic Angot on Feb 14, 2018, 2:16 pm

Project location : Canada

Project type : factory

Hi, 

Our project is a factory that produces roofing products, we target LEED v4 silver. The building consists of an office...

Last reply: Ben Stanley, Jun 20, 2018, 7:02 pm

Access to the refrigerant impact calculation

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Mark Kumar Bose on May 26, 2018, 5:51 pm

Hi,

how can I get access to the refrigerant impact calculation (on Leedonline.com) before registering in order to advice the planners if their selected refrigerant complies?

...

Last reply: Trista Little, Jun 19, 2018, 3:56 pm

Rc value

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Lise Dannesboe on Jun 1, 2018, 10:08 am

Hi

To caluclate the Rc-value we need to know the amount of refrigerant and the cooliing capacity. As LEED v4 puts it:

Rc: Refrigerant Charge
(0.065 to 0.65 kg of refrigerant...

Last reply: Trista Little, Jun 11, 2018, 1:19 pm

Glycol for anti-freeze

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Lise Dannesboe on Jun 1, 2018, 10:20 am

Hi

In Denmark our chillers are located at the roof, where there in the winter is a risk of freezing. The refrigerant in the cooling units are ammonia.

I have not been able to find...

EAc6 form

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Jens Apel on Dec 13, 2017, 9:16 am

Does anyone have access to a working LEED Online template? My project is in precertification, forms not yet available. The one on the USGBC online access website is broken, or gets broken...

Last reply: Jens Apel, Dec 15, 2017, 3:39 am