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Using LEEDv2009 form to insert 'other' refrigerant for LEEDv4 project

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Kavita Suresh on Apr 22, 2020, 12:25 am

The refrigerant used on my project is not listed in the LEEDv4 form and as recommended on the FAQ section for this credit I am using the LEEDv2009 form to document compliance.

When I...

Standby Cooling

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Lara Cogill on Jul 31, 2015, 9:43 am

I am working on a large project for which the cooling is predominantly from central chillers providing chilled water. This complies easily with the requirements of EAc4.

However, there...

Last reply: Christopher Schaffner, Apr 19, 2020, 11:15 am

Are 30% and 40% PG considered as refrigerant

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Romio Mikhael on May 24, 2017, 11:19 am

Hi all,

For a new construction project, the fan coil unit schedule shows that the fluid for the cooling coil is 30% PG (Propylene Glycol) and that of the heating coil as 40% PG.

...

Last reply: Fatou Jabbie, | BSc. Comp. Sci. | MSc. Sustainability Management | LEED AP BD+C, Feb 27, 2020, 1:50 pm

Split System- for the refrigerant charge calculation

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Hendrick Munoz on Feb 26, 2019, 2:11 pm

Which part of a Split System should be considered for the refrigerant charge calculation?

Last reply: Danilo Ilic, Feb 27, 2019, 5:10 am

Heat pump with apx 4 kg of refrigerant

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Maria Porter on Sep 26, 2018, 6:04 am

Hi!

I can see that similar questions have been asked before, but I can’t find any answers:

It is an early stage and we are looking at heating solutions for a project. They will...

documentation toolkit

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Courtney Royal on May 11, 2018, 2:08 pm

i was looking at the uploaded cutsheet under the documentation toolkit, and it doesn't look that piece of equipment is meeting the credit requirements. For instance, it is a 1.5 ton unit with R-...

Last reply: Trista Little, May 16, 2018, 8:50 pm

help understanding how to select equipment

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Courtney Royal on May 11, 2018, 12:12 pm

I am having a difficult time understanding how to guide the mechanical designer on specifying compliant equipment. Are there any best practice advice or rule of thumb I could be aware of, or...

Simultaneous Heating and Cooling

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Andrea Traber on May 15, 2015, 4:02 pm

I have a project with an air-source heat pump that can either do heating, cooling or simultaneous heating and cooling. The heat pump has two refrigerant circuits. Can I count the heating tonnage...

Last reply: Courtney Royal, Mar 23, 2018, 12:30 pm

Calculation of Rc in 4-pipe air-source heat pumps

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Ricardo Sá on Jan 11, 2018, 5:11 am

I have a project with an air-source heat pump that can either do heating, cooling or simultaneous heating and cooling (4 pipes).

When calculating Rc, if only the cooling capacity is taken...

Last reply: Ben Stanley, Jan 19, 2018, 1:23 pm

For Campus

NC-2009 EAc4: Enhanced Refrigerant Management
posted by Esteban Martinez on Oct 10, 2017, 6:23 pm

Hello all, we are trying to comply with this credit to certificate a Campus in Colombia. The LEED guidance for Campuses says that to achieve this credit, the campus will prohibit the use of...

Last reply: Calie Gihl, Nov 7, 2017, 5:14 pm