The pipes of a VESDA smoke detection system are installed at the air intake of the air conditioner
inside the computer room.
Is this a good practice from an early smoke detection point of view?
An air-conditioner unit needs to be selected. Two types are available:
Unit-A has a Sensible Heat Ratio (SHR) of 0.7.
Unit-B has a Sensible Heat Ratio (SHR) of 0.9.
From an efficiency point of view, which one should be selected?
The data center has been in operation for about 1 year and 2 months. The dust levels in the
computer room are relatively high. What is the most likely root cause?