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Yes, If the has 1-7.5Tn system and if it is replaced with 2-4ton units, it shloud not be a problem. Now to be in the safe size, we required a new load calculation. Originally 80's, today 2005, almost 25 yrs. This a nature center(Park and recration Dept.) When it was build, I am really sure that...

52000BTH for each zone.

[thumbsup2]HVAC68: The area to be conditioned has one existing 7.5ton split system. The proposed design is to split the area in two zones. The existing load was calculated back in the 80's. For budget purpose it was indicated to use two 4ton units, but the awared contractor will be responsable...

Thank you guys for your help. Here are the design conditions provided by A/C suplier: (SI) EDB = 80(F) EWB = 67(F) OUTDOOR DB= 95(F) CAPACITY @ARI = 52,000 (BTUH) NET TOTAL CAPACITY = 52,000 BTU/HR SENSIBLE CAPACITY = 38,100 BTU/HR LATENT CAPACITY = 13,900 BTU/HR LDB = 57.6 F LWB = 56.3 F...

Projetc Type:retro-fit One of the unit(split system)submitted to my project has a nominal capacity of 4 ton, but the total required load is 52,000BTU/hr wich is equal to 4.33(rnd to 4.5)ton. I asked the contractor about this difference and reponded me saying that the OA will compensate the...

Hi, I have been working with an earlie design (Design/development phase) for a new Courthouse and the engineers suggested some VE Items. The problems is that I am not sure of what he or she really wants. Here are the VE items. 1. Specify R-134 chiller in lieu of R-123 chillers. ~~The design...