I am working on the Chilled water Hydronic Piping System of a 10-story office building. The Chiller Plant Room is at the Ground Floor. The bladder type expansion tank is installed at the suction side of the Chilled Water Pump inside the Chiller Plant Room and the water pressure at the bladder...
My friend was talking to me that the chilled water flow rate design should base on the Sensible cooling load only instead of the Total cooling load (Sensible + Latent). The control valve selection would also follow the Sensible cooling load only. His reasoning was that if there is no humidity...
A guy try to sell me an energy saving device which work by cleaning or rather filtering out all the electrical noise and harmonics. He claims that the device can save electrical bill by 8% to 20% depending on the existing power quality and improve the life of the electrical installation...
My company have an automatic outdoor carpark barrier system installed on three exit points. This carpark barrier system are interconnected to a master network system which include booth payment counter, autopay console and proximity card access system. Since the carpark barriers are installed...
I have a Chiller system installed at the basement floor with the chilled water expansion tank installed at the roof top at 37.4m height relatively to the chiller unit. The highest chilled water pipe is at 32m. The expansion tank is gravity fed to the chilled water pipe system. There is a bypass...