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Thank you @littleinch for your valuable response. I am going through it.

@MikeHalloran: Unit is working since last 4years and it was hardly serviced, once in a year. I do have have a picture but it is normally a 680 microfarad capacitor connected on ectronic card of smps.

In which sense decoupler line helps in chilled water system of any building...

Hi! everyone.. Last day my electrostatic precipitator cell (Switch mode power supply unit) i.e. providing output power of 16KV DC on input of 230V~, capacitor busted out. On behalf of my knowledge, it might be because of earth fault in system or something else. Please suggest on this.

Can anyone brief on facts, if we do not have decoupler line in any chilled water system..

This is what I was expecting and being confused between.. thank you @ScottyUK

hahaa!! first of all @hamburgerhelper, it is not a project. It was just a question asked by senior. And I agree with @jraef but there must be some other reason as well, which would relate this to the "Art695" fire system electrical wiring codes... Or may be something else!

Working in Dubai, united arab emirates. providing services to hospitality industry.

Hello!! My senior engineer asked me that, Why cannot we put Chiller and Fire electric pumps in same ACB? Can we connect both on the same ACB or not. If No, then why cannot we. Please advise on this.