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The boilers and RTUs are autosized based on the systems' needs, and they are showing no unmet hours at all. However, I'm now still showing about 400 hours a year of unmet heating load. Hope you will understand heat load calculation in hvac wit.
Carrier Hap 4.5 software#
This should mean that the systems have no problem keeping the setpoints and eliminate the pulldown loading. This tutorial explains about heat load calculation using hap using app or software in excel sheet.
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This helped, so to test it further, I put the system thermostats to 24 hour occupied operation, but left the people, equipment, and light loading set to typical occupied/unoccupied hours. So, I reduced the number of degrees of float and started the systems back on occupied operation earlier to try to get the temperature to setpoint by the time the people schedule showed as occupied. Carrier Hap 45 Crack Carrier Hap 45 Crack taretbath Carrier Hap 4.5 Crack Carrier Hap 4.5 Software Hvac Carrier Hap 4.5 Carrier Hap 4. HAP provides versatile features for designing HVAC systems for. So, I thought that the LEED analysis might consider those first hours back in operation when the system is trying to eliminate the pulldown loads from the overnight float as unmet loads. Carriers Hourly Analysis Program is two powerful tools in one package. The system does have unoccupied setback in it. Photo & Graphics tools downloads - Carrier Hourly Analysis Program by Carrier Corporation and many more programs are available for instant and free.
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Carrier Hap 4.5 download#
The LEED report shows unmet hours, but the equipment unmet loads reports don't match the LEED reports. Download carrier hap 4.9 software for free. The RTU unmet load report shows that the cooling is fine, and the boiler plant unmet load report shows that there are not unmet loads on the equipment. Carrier Corp has launched version 4.5 of its Hourly Analysis Program software for building energy analysis and system design. On the cooling side, I have very few unmet load hours, so I'm good there, but on the heating side is where the problems are. Setpoints (occupied/unoccupied) are 72/79 for cooling and 70/63 for heating. The systems are packaged RTU and VAVs with hot water reheat. I am running simulations and the LEED report is showing that I have almost 2000 unmet load hours on the baseline building. The version I'm running is the latest upgrade, 4.5. I have a problem with HAP that I can't figure out.