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refrigeration units
NC-2009 EAc4:Enhanced Refrigerant Managementposted 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
dedicated load from a central plant
NC-2009 EAc4:Enhanced Refrigerant Managementposted by Bethany Beers on
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 chillers.
How to calculate capacity for commercial ice makers?
NC-2009 EAc4:Enhanced Refrigerant Managementposted by Lindsay Austrom on
I have a project with a commercial kitchen, so we're gathering info on all of the walk-in coolers, freezers, etc.
EA Credit 4: Enhanced Refrigerant Management
NC-2009 EAc4:Enhanced Refrigerant Managementposted by John Pugh on
Hello, Was just wondering if someone could shed some light on the Refrigerant Charge and how I go about finding it? I am using R-410A as the refrigerant. Thanks.
Screw chillers
NC-2009 EAc4:Enhanced Refrigerant Managementposted by Mehdi Kardehi on
Hi , There is no mention of screw chillers either under the credit EA 4 or ASHRAE application. I can only see absorption, scroll and reciprocating. Can someone please help me with the life span to
EAC4 Template Life Cycle
NC-2009 EAc4:Enhanced Refrigerant Managementposted by Jesus Deras on
For refrigeration equipment(Freezers/coolers etc etc) what is the life expectancy that should be put into the EAC4 template?
VRF System Rc Value
NC-2009 EAc4:Enhanced Refrigerant Managementposted by SAMY Chamy on
we use VRF system for A/c we use value given in LEED guide Rc 2.2 lb/ton As per the the default calculation we get points but the reviewer tells Rc for VRF is very low it may be "3 - 6" lb/ton
Combining Option 1 and Option 2
NC-2009 EAc4:Enhanced Refrigerant Managementposted by Lyle Axelarris on
Has anyone had any experience combining the approaches in Option 1 and Option 2 to achieve this credit? We plan to use economizer cooling for most of our cooling needs.
Upload requirements for EA Cr 4: Enhanced Refrigerant Management
NC-2009 EAc4:Enhanced Refrigerant Managementposted by Kathy Wislocky on
Hi, I'm hoping to get some feedback on what is actually required to be uploaded in support of table 4-1.
Refrigerant HFO 1234
NC-2009 EAc4:Enhanced Refrigerant Managementposted by CT G on
Hi all, Is it possible to use the refrigerant R-1234 (HFO) to replace the R-134 in a centrifugal chiller? It has low GWP (around 4 or 5) and zero ODP, but it is not in the LEED online form nor in