How to calculate GPM for FCU & AHU (Fan Coil Unit & Air Handling Unit)

[@mdashwak4318]

Congratulations for 852 subscribers 👍👍bai

[@adilengineering303]

Thanks nro

[@SohailKhan-rb8he]

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[@mohsinkhan-bl7mc]

Thank you sir 🇵🇰🇵🇰🇵🇰

[@nicerefrigeration]

3 phase me 220 ka kaise pta kre ki kitne ton ka hai

[@md.shahid4305]

If I don't have a GPM value and TR value so how will I solve this problem.