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Refrigerant charge above 5.0 lb/ton.

NC-2009 EAc4:Enhanced Refrigerant Management
posted by  Keith Robertson  on 

The reference guide definition of Rc states "0.5 to 5.0 lbs of refrigerant per ton of gross ARI rated cooling capacity". What do you do for equipment that has a charge of above 5.0 lbs/ton?

1
Tue Dec 15, 2015, 8:36 pm

Central Plant Question

NC-2009 EAc4:Enhanced Refrigerant Management
posted by  Lauren Sparandara  on 

Scenario: Campus new construction projects which are connecting to an existing central plant for heating and cooling.

1
Wed May 11, 2011, 6:45 pm

District Cooling

NC-2009 EAc4:Enhanced Refrigerant Management
posted by  Mark Daub  on 

We have a MR V3.0 project that uses district cooling. First I thought this was great, as no refrigerants are used in the building. Now the district energy guidelines say, that we have to provide al

1
Fri Apr 17, 2015, 3:41 pm

Enhanced Refrigerant Mgmt - Refrigerators & Kitchen Equipment

NC-2009 EAc4:Enhanced Refrigerant Management
posted by  Theresa Lehman  on 

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.

1
Tue Aug 16, 2016, 9:40 pm

GWP / ODP of Water & Lithium Bromide

NC-2009 EAc4:Enhanced Refrigerant Management
posted by  Jens Apel  on 

In our project a absorption chiller will be used to cover part of the cooling load. The chiller will run on lithium bromide / water solution.

1
Sun Feb 19, 2012, 1:52 pm

Rc in split unit system

NC-2009 EAc4:Enhanced Refrigerant Management
posted by  ABDALAZIZ ZAQOUT  on 

I have a split units that their Rc is above 5 mentioned in the Reference Guide, but fortunately my average refrigerant atmospheric impact is lower than 100 (according to use efficient centrifugal c

1
Mon Nov 4, 2013, 5:04 pm

Natural Ventilation

NC-2009 EAc4:Enhanced Refrigerant Management
posted by  SAMY Chamy  on 

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 CIR available for this situation Dut to the non u

1
Tue Jun 13, 2017, 7:59 am
1
Mon Jun 14, 2010, 5:38 pm

Using only 2 splits (with R-410).

NC-2009 EAc4:Enhanced Refrigerant Management
posted by  Lorena Moscoso  on 

It is used in a project two HVAC systems (Split) in two areas of approximately 22.82 square feet, the total project area measures 27,857 square feet.

1
Tue Jul 17, 2012, 1:15 pm

refrigeration units

NC-2009 EAc4:Enhanced Refrigerant Management
posted by  Mehdi Kardehi  on 

Hi, In our project there are couple of cool rooms/freezers using reciprocating compressors. Shall we list it as reciprocating compressor or we need to select other and type in refrigeration units

1
Thu Dec 17, 2015, 11:57 pm