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How to calculate capacity for commercial ice makers?NC-2009 EAc4: Enhanced Refrigerant Managementposted by Lindsay Austrom on Jul 16, 2015, 2:13 pm
I have a project with a commercial kitchen, so we're gathering info on all of the walk-in coolers, freezers, etc. However, I'm not sure how to document the ice maker cooling capacity since they... Last reply: Lindsay Austrom, Dec 21, 2015, 4:47 pm |
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EA Credit 4: Enhanced Refrigerant ManagementNC-2009 EAc4: Enhanced Refrigerant Managementposted by John Pugh on Jan 5, 2015, 1:18 pm
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. Last reply: Lindsay Austrom, Dec 21, 2015, 4:07 pm |
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refrigeration unitsNC-2009 EAc4: Enhanced Refrigerant Managementposted by Mehdi Kardehi on Oct 19, 2015, 8:38 am
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... Last reply: Christopher Schaffner, Dec 17, 2015, 6:57 pm |
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Screw chillersNC-2009 EAc4: Enhanced Refrigerant Managementposted by Mehdi Kardehi on Oct 19, 2015, 6:24 am
Hi , There is no mention of screw chillers either under the credit EA 4 or ASHRAE application. Last reply: Melissa Kelly, Dec 15, 2015, 3:48 pm |
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Refrigerant charge above 5.0 lb/ton.NC-2009 EAc4: Enhanced Refrigerant Managementposted by Keith Robertson on Dec 10, 2015, 10:45 am
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? Last reply: Melissa Kelly, Dec 15, 2015, 3:36 pm |
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EAC4 Template Life CycleNC-2009 EAc4: Enhanced Refrigerant Managementposted by Jesus Deras on Jan 15, 2014, 5:25 pm
For refrigeration equipment(Freezers/coolers etc etc) what is the life expectancy that should be put into the EAC4 template? The equipment in question are freezers and coolers that are to be... Last reply: Mehdi Kardehi, Oct 19, 2015, 8:34 am |
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Using less than 0.5 pounds of refrigerantNC-2009 EAc4: Enhanced Refrigerant Managementposted by John Lee on Sep 8, 2015, 11:39 am
If I only use HVAC units totally 0.5 lbs of refrigerant on the project, do I qualify for the 2 points in this credit? If I only use many HVAC units with 0.5 lbs of refrigerant per unit, do... Last reply: Christopher Schaffner, Sep 14, 2015, 9:58 am |
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VRF System Rc ValueNC-2009 EAc4: Enhanced Refrigerant Managementposted by SAMY Chamy on Aug 31, 2015, 8:13 am
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"... Last reply: SAMY Chamy, Sep 3, 2015, 3:12 am |
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Issue with credit 4 calculator EAC4_DYANC-2009 EAc4: Enhanced Refrigerant Managementposted by Mehdi Kardehi on Aug 19, 2015, 2:30 am
Hi All, I am very new to LEED and trying to apply for it for a project we have in hand. There are some issues with table L-2 of eac4. Table L-2 of eac4 cannot be filled in manually... Last reply: Christopher Schaffner, Sep 2, 2015, 5:00 pm |
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Combining Option 1 and Option 2NC-2009 EAc4: Enhanced Refrigerant Managementposted by Lyle Axelarris on Jun 18, 2014, 9:55 pm
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.... Last reply: Lyle Axelarris, Aug 28, 2015, 9:50 pm |