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Tenant-owned commercial refrigeration units

CS-2009 EAc4: Enhanced Refrigerant Management
posted by Alexander Aaltonen on Aug 19, 2013, 11:27 am

I am working with a LEED CS project. My question is, whether commercial refrigeration units in leased supermarket areas must be included in the calculations?

The credit language talks...

Last reply: Melissa Kelly, Sep 26, 2017, 6:58 pm

Qualifying VRF Systems

CS-2009 EAc4: Enhanced Refrigerant Management
posted by Kristopher Lashley on Mar 10, 2015, 6:28 pm

We are working on a retail project and the mechanical designer insists on using a split VRF system. However the Mitsubishi systems he recommends do not meet the allowable refrigerant/ton set out...

Last reply: Steve Loppnow, Dec 2, 2015, 6:37 pm

Aquifer for cooling

CS-2009 EAc4: Enhanced Refrigerant Management
posted by Erik Nordlund on Nov 4, 2015, 7:04 am

I have a project where the project team are planning to partly cool the building using an aquifer. It would basically work as follows: Cool water from the aquifer is pumped from one side of the...

Last reply: Scott West, Nov 4, 2015, 9:24 am

fire supression gas FM200

CS-2009 EAc4: Enhanced Refrigerant Management
posted by Regina Gul on Aug 20, 2014, 3:07 am

Is gas FM200 allowed for fire supression systems?

Last reply: Jon Clifford, Aug 20, 2014, 5:04 pm

EA Cre 4_LEEDonline form

CS-2009 EAc4: Enhanced Refrigerant Management
posted by Adam Targowski on Jan 22, 2013, 9:51 am

This credit is listed in Appendix 4 under case C so it should include tenant spaces as well. I have a question regarding filling in the LEEDonline form. Is it ok if we fill in the form only with...

Last reply: Ante Vulin, Aug 22, 2013, 6:16 pm

District Cooling- Free Cooling

CS-2009 EAc4: Enhanced Refrigerant Management
posted by Johannes Gellrich on Mar 30, 2012, 9:04 am

Dear all,
Our building is supplied with cold water from a...

Last reply: Tristan Roberts, Aug 31, 2012, 9:59 am

Additional "reserve" refrigerant box

CS-2009 EAc4: Enhanced Refrigerant Management
posted by Ghaith Moufarege on May 7, 2012, 7:49 am

Dear all,

The project we're working on will be cooled with centrifugal chillers. The Mechanical Engineer is suggesting installing a "Reserve refrigerant box", which is a cylinder...

Last reply: Tristan Roberts, Aug 31, 2012, 9:57 am

hi The project we´re working

CS-2009 EAc4: Enhanced Refrigerant Management
posted by Ismael Arroyo on Jun 19, 2012, 6:11 pm

hi

The project we´re working on will be cooled by coolling towers, so the tenants can have cooled water to install their own HVAC system. We´re no using any type of refrigerant, but a...

Last reply: Ante Vulin, Jun 20, 2012, 9:22 am

List of Approved non-default leakage rate

CS-2009 EAc4: Enhanced Refrigerant Management
posted by Yoyo Shek on May 25, 2012, 3:38 am

I think most of the projects have encouraged similar project when dealing with the leakage rate (2% by default).
Does anyone know if USGBC has a list for those approved refrigerants/...

Last reply: Yoyo Shek, May 29, 2012, 12:29 am

Non-default values for Lr and Mr

CS-2009 EAc4: Enhanced Refrigerant Management
posted by Magnus Stagnäs on Feb 16, 2012, 8:01 am

According to the reference guide I can use non-default values for Lr and Mr if providing supporting evidence material. Our project will be connected to the a district cooling plant with rigorous...

Last reply: Hernando Miranda, May 21, 2012, 9:43 am