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Water heat pump

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Instra Ingenieros on Aug 9, 2017, 5:15 am

Hi,
We received the design and construction review, and the reviewer indicate us that two units that's appear on the prerrequisite EAp3 documentation are not included. These units are two...

Last reply: Trista Brown, Aug 28, 2017, 2:58 pm

Natural Ventilation

NC-2009 EAc4: Enhanced Refrigerant Management
posted by SAMY Chamy on Jun 12, 2017, 8:21 am

Dear Concern:-

Our project does not have any A/c spaces and Equipments

So we dont use any Refrigerants so can we claim this credit

Is there any...

Last reply: Anna Bak, Jun 13, 2017, 3:59 am

VRF System Computation

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Katherine Mariano on May 30, 2017, 1:09 am

Hi All,

I just want to ask if the pre-charge or additional charge of the VRF system is included on the computation for Rc (Refrigerant Charge).

Thanks!

Last reply: Anna Bak, Jun 6, 2017, 11:25 am

Nee of a fire suppression system

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Magda Aghababyan on Jun 2, 2017, 5:54 am

Hi all,
Currently we are working on a project which does not have a fire suppression system, but is trying to achieve "Enhanced refrigerant management" credit in LEED NC 2009.
In the...

Last reply: Anna Bak, Jun 6, 2017, 9:46 am

dedicated load from a central plant

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Bethany Beers on Apr 6, 2016, 5:59 pm

Hello,

We were previously unable to achieve this credit for a project receiving chilled water from a campus central plant employing 4 electric centrifugal chillers and 3 heat recovery...

Last reply: Dave Hubka, Jun 6, 2017, 9:15 am

Notes under table in LEED credit form

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Patryk Marciniszyn on Mar 14, 2017, 10:34 am

Hi all,

under the table in LEED credit form there is a note:

Average refrigerant impact per kW must be less than or equal to 13 for 2 points.

Does it mean that I won't get 2...

Last reply: Anna Bak, Apr 28, 2017, 5:02 am

Lr value for refrigerant calculations

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Francisco Aguirre on Jul 12, 2016, 5:50 am

Dear all,

I am currently working on a project with a VRF system. We have contacted the manufacturer for non-default refrigerant leakage rate values. The value obtained of 3.13grams/year...

Last reply: Dave Hubka, Aug 22, 2016, 3:05 pm

Enhanced Refrigerant Mgmt- Refrigerators & Kitchen Equipment

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Theresa Lehman on Aug 16, 2016, 11:00 am

Received the design review comments back for EAp3 and EAc4 regarding refrigerants. The comments said, "...all equipment with one half pound or more of refrigerant must be listed in the form....

Last reply: Dave Hubka, Aug 16, 2016, 5:40 pm

EAC4 Enhanced Refrigerant Management

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Sahar Al-Khairi on Apr 20, 2016, 7:55 am

In a project I'm working on , we are using two heat pumps for cooling and heating,such that only one heat pump is going to be used during the summer season(cooling) and both pumps are to be used...

Enhanced Refrigerant Management- Purchased Cooling Loop

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Vinny Greco on Feb 10, 2016, 3:08 pm

If a university building is tied in to a campus chilled water distribution, does the campus chiller plant have to be included in the building's refrigerant use?

If the building is only to...

Last reply: Jens Apel, Feb 11, 2016, 2:32 am