@@4dtechco we use EA II M12x50 unifix (6 nos) and we installed along with 6 vibration insolator. Unifix numbers may be varied depend upon the unit weight.
3175 CFM ,280 pa. Which means around 8 tons. Short formula : BTU = Cfm * 1.08 * (Tin - Tout) 12000Btu/h = 1 Ton Note : 400 to 450 Cfm = 1 ton To calculate CFM = Area * Height (ceiling) * ACH / 60 Eg: CFM Calculation: Airflow has to be strong enough to change the complete volume of 300 sq ft room (with 8 sq ft ceiling height) 2 times per hour. Volume of a room = 300 sq ft x 8 ft = 2,400 ft3. To change it 2 times per hour (ACH = 2), we need to deliver 4,800 ft3 per hour. CFM is a ‘ft3 per minute’ unit. That’s why we need to divide the total volume by 60; hence 4,800/60 = 80 CFM.
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nice video sir ,,, can keep on making site installation of hvac equipment videos
sure bro....i will update
how much weight of ahu ?
Around 800 Kg
@@simonfiroz2370 we prepare hanging AHU 800kg. can you support us?
@@simonfiroz2370 which bolt did you use for hanging. and how many bolt per AHU ? thanhk !
@@4dtechco we use EA II M12x50 unifix (6 nos) and we installed along with 6 vibration insolator. Unifix numbers may be varied depend upon the unit weight.
@@simonfiroz2370 thanks for support !
what is the tonnage capacity of AHU?
3175 CFM ,280 pa.
Which means around 8 tons.
Short formula :
BTU = Cfm * 1.08 * (Tin - Tout)
12000Btu/h = 1 Ton
Note : 400 to 450 Cfm = 1 ton
To calculate CFM = Area * Height (ceiling) * ACH / 60
Eg: CFM Calculation: Airflow has to be strong enough to change the complete volume of 300 sq ft room (with 8 sq ft ceiling height) 2 times per hour. Volume of a room = 300 sq ft x 8 ft = 2,400 ft3. To change it 2 times per hour (ACH = 2), we need to deliver 4,800 ft3 per hour. CFM is a ‘ft3 per minute’ unit. That’s why we need to divide the total volume by 60; hence 4,800/60 = 80 CFM.
Which means around 8 ton.
Short formula :
BTU = Cfm * 1.08 * (Tin - Tout)
12000Btu/h = 1 Ton
Note : 400 to 450 Cfm = 1 ton
To calculate CFM = Area * Height (ceiling) * ACH / 60
Hum ko bhi ye kam sikhna haii
of course...
Work vacancy irukumma sir