8
Fig.9.1
Outboard condenser
▲
High noise of wine cellar
○
compressor noise
1. The working of motor and piston motion will cause noise when compressor working. So if noise is
steady and not exceeds 42 dB, it
’
s normal. If noise is not steady or very high, it
’
s compressor fault and it
should be repaired or replaced.
2. If compressor
’
s shock absorption rubber is hardening or damaged, or fixing screw of compressor is too
tight or loose, it will cause noise. The settlement is to change new shock absorption rubber or adjust fixing
screws.
○
Fan noise
1>. Normal fan motor and airflow should not exceed 32dB.
2
>. If there is noise above 32 dB or the noise levels fluctuate, the fan shaft is either damaged or worn.
3
>. How to replace the fans
Fig.10