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Small HVAC Equipment & 0.5 lb rule

NC-2009 EAp3:Fundamental Refrigerant Management
posted by  Nathan Lee  on 

Our project has removed all CFC based refrigerants on the main HVAC equipment. However we have some small HVAC equipment that use CFC Refrigerants.

1
Mon Mar 25, 2013, 5:56 pm

Use of CFC refrigerant for backup chiller

NC-2009 EAp3:Fundamental Refrigerant Management
posted by  Heather Dorer  on 

We are working on a project that will be cooled by a pre-existing central plant. There is a chiller that contains CFCs connected to the loop, however, it is used as a backup chiller.

1
Mon Nov 4, 2013, 5:21 pm

If Purchasing Chilled Water from Campus Central Plant...

NC-2009 EAp3:Fundamental Refrigerant Management
posted by  Nelina Loiselle  on 

We have a project that we are modeling as purchased chilled water and steam because it is on a campus that includes a central plant. The campus sells the utilities to the department.

1
Wed Feb 18, 2015, 7:12 pm

HCFC 141b For Interior Pipe Cleaning

NC-2009 EAp3:Fundamental Refrigerant Management
posted by  Roberto Meza  on 

Is the complying with the prerrequisite in jeopardy for using HCFC 141b for cleaning the interior of the copper piping previous to installation?

1
Fri Feb 1, 2013, 3:40 pm

Heat Pipe Refrigerant

NC-2009 EAp3:Fundamental Refrigerant Management
posted by  Saju Varghese  on 

Does heat pipe refrigerant need to be accounted for this credit? Thanks

1
Mon Nov 4, 2013, 2:16 am

Manufacturer Name and Model Number

NC-2009 EAp3:Fundamental Refrigerant Management
posted by  Maya Karkour  on 

Hello, As you know, the LEED online Letter template requires us to input the Manufacturer Name and Model Number of the refrigeration systems being used on the project The issue we're facing is

1
Sat Apr 23, 2011, 5:23 pm

How to document split system units

NC-2009 EAp3:Fundamental Refrigerant Management
posted by  Helene Lefkowitz  on 

I am working on a hotel project that has multiple split system units. This means two part numbers, one for each unit, to account for all mechanical cooling equipment.

1
Sat Jul 26, 2014, 5:42 am

SF6 GAS

NC-2009 EAp3:Fundamental Refrigerant Management
posted by  MARIA FERNANDA CORREA  on 

The LEED NC V3 project we are working on has an electric system that requires an Electric Substation that has cells of medium tension which are protected with SF6 gas (sulfur hexafluoride), which

1
Thu Dec 13, 2012, 10:07 pm

refrigerant reccovery

NC-2009 EAp3:Fundamental Refrigerant Management
posted by   Faisal   on 

in EAp3 it says that there should be an EPA approved refrigerant recovery technician, is this requirement also for temporary units(like site offices site warehouse etc) or it is only for permanentl

1
Mon Aug 28, 2017, 9:44 pm

HCFC123 or HFC410A

NC-2009 EAp3:Fundamental Refrigerant Management
posted by  edward deschapell  on 

On a new construction project which is the better way to go when installing a new chiller? A chiller with HCFC or HFC? Thanks

1
Mon Nov 4, 2013, 2:14 am