Operating Noise And Vibrations - Daikin Perfera ARXM25A Service Manual

Check
Check the defrost operation ferquency in
Heat mode

3.6.4 Operating noise and vibrations

Check
Check the installation conditions (specified
in the installation manual).
RXM20~50A + ARXM25~50A + FTXM20~50A + ATXM20~50A + CTXM15A
Split Perfera ZETA R32
ESIE23-06 – 2023.12
Detail
Check if the defrost operation frequency is
normal according to the outdoor ambient
temperature and outdoor heat exchanger
temperature (Values depend on the
models).
▪ If the product goes to defrost frequently:
- Possible problem: Low amount of
refrigerant.
- Check refrigerant amount and add
more if necessary.
▪ If the product does NOT go to defrost
frequently:
- Possible problem: Sensor broken.
- Check thermistors.
Detail
▪ Use general vibration prevention where
needed.
▪ If the mounting wall is too thin, you must
use cushion material or rubber, or change
the installation place.
▪ Refrigerant piping is too short; is the
length within specified range?
▪ Due to bad installation or general
conditions there may be deformation of
the unit.
▪ Are all the screws installed and tightened
properly?
▪ Is all piping secured, fixed and supported
by inserting a cushion material where
needed?
▪ Install piping weights or correct by hand if
any piping is in contact with other parts.
▪ Is the fan in contact with other parts? If
so separate the fan from the other parts.
3 | Troubleshooting
Possible to be checked
by DCS Residential
Yes
See details on the left.
No
Possible to be checked
by DCS Residential
No
Service manual
draft – 21/12/2023 13:09
43