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hi sifox, just need to clarify something, what does Evap.range stand for ? evap refigerant temp ? thanks.

hi, does any experience this problem before : On the BMS/BAS monitor screen, the chiller tonnage is X ton. but when i used the formulea ton= (16*flow(l/s)*Delta T)/24, the value is often different ? This is due to equipment calibration out. I yet to ask my BMS guy wat wrong ? Is there a...

The main purpose of the ventilation is to remove lead fume and dust at the bullet catcher area, and at the same time provide a control environment for the shooters.

i was told that the Air handling unit will need to start first before the starting of the CHiller. As there could be a possible surge/trip if the chiller experience no loading ? Anyone got experience in the control of chiller starting sequence using bAS software ?

hi All, Can someone advise me what is the normal operating sequence of the cooling tower, condenser Pump, Chiller water pump, chiller and AHU. Which equipment should start first ? thanks

Hi All, just a question, my fren told me you can not do a direct conversion for a split unit air con compressor from horsepower to BTU. Can any one advise. For example to convert 5HP for a VRV system to BTU. thanks

hi, The both designs had an extraction system at the bullet trap area fit with HEPA filter. I am just wondering how effective is the heat recovery method in of the the design. Is here other design which i can make reference to ? Will do a search on the internet too. thanks

Hi, all I currently reviewing an indoor range ventilation design. The consultant had proposed an supply/extraction system with and mixer box and dehumidifer system I had another consultant which provide me, an supply and extraction system with an run around coil; heat recovery system. Any...

hi Anyone have a good diagram of a typical valves connection of the chill water supply and return to the cooling coil. thanks can email to bundywu@yahoo.com