3.INSTALLATION AND CONNECTION
Distance Factor
An example may look like this:
A Timber Paling fence that goes right to the ground with some small gaps due to age, is worth a barrier factor of 5.
One reflective surface adjacent to the Heat Pump is worth a factor or 3.
The ASTRAL POOL Heat Pump has a sound power level of 66 db(A).
Therefore your equation will now look like this:
– 5+3=58
The distance factor is 58 which should be written in Box 3.
The final step is to mark 64 on Column 2 below and draw a straight line through the middle X to reach Column 1. Column 1 is the
minimum distance the Heat Pump should be installed from a noise sensitive area in your neighbour’s residence.
With one reflective surface and a timber paling fence with small gaps, the Heat Pump needs to be installed at least 10 metres from a noise
sensitive area in your neighbour’s property.
This calculation is intended as a guide only and no warranty is made or implied by Astral Pool as to its accuracy. Please consult an
Acoustical Consultant or phone your Astral Pool branch office if in any doubt.
Factor
Pressure Level
Heat Pump Sound
Barrier Factor
Reffective Surface
Distance Factor
60{do(A)}
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