Recent content by afa13

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    What is the minimum number of units required to be connected to a BMS?

    Hello, does anyone know how much is the minimum required points that should be connected from the following units to the BMS: 1) chiller 2) AHU 3) FCU 4) Fan 5) Pressurizing fan 6) VAV with reheat coil 7) VAV without reheat 8) Pumps (secondary chilled water circuit)
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    Should pump selection use the area with most flow or sum all areas?

    Hello, When selecting a pump one should calculate the flow rate of the building supplied. To determine the building's supply one should select the longest piping distance and the the area where the most flow is required, right? or it can be multiple areas «, or one should select all the areas...
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    Choose the Right Electrostatic Filter: Criteria to Consider

    But since it uses ionization which means it will use a relatively high amount amount of energy (correct me if I'm wrong)... dun u need to c if it is power efficient as well (power consumption) ?
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    Choose the Right Electrostatic Filter: Criteria to Consider

    I'm using it for a commercial kitchen in a univesity
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    Choose the Right Electrostatic Filter: Criteria to Consider

    What are the criteria for choosing an elctrostatic filter?
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    Why use a 1450 RPM pump with a bronze impeller for chilled water

    it depends on national codes or proejct's specs. Sometimes the impeller is better to be SS than bronze. And the rpm rating is the recommended for any pump because using the pump at its maximum rpm would shorten its life cycle... hope it did u any good
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    Should Pn be actual capacity or power rating in convective heat formula?

    I need some clarification regarding the following formula: Qconv = Pn x Qs x b x ϕ this equation is used to determine the cooking appliance's convective heat output in kw, 'b' and 'ϕ' are coefficients easily determined. I am confused whether to use the actual capacity of the appliance for...
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