Symptom-based Troubleshooting Si20-701_B
49
2.9 Equipment Produces Loud
Noise or Vibration
Applicable Model
All models of SkyAir series
Supposed Causes
îš„ Improper installation
îš„ Contacts of fan, piping, casing, etc.
îš„ Noise of refrigerant flow
îš„ Operating noise of drain discharge equipment
îš„ Noise of resin components contracting
∗ In addition, the following errors may be conceivable
• Refrigerant overcharge
• Air interfusion
• Flash noise of insufficient refrigerant (hushing
noise)
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