Check SiBE121021_C
368 Service Diagnosis
8.10 Installation Condition Check
Check No.17
8.11 Discharge Pressure Check
Check No.18
Normal
(R11229)
Abnormal
YES
YES
YES
NO
NO
NO
Change the installation
location or direction.
Change the installation
location or direction.
Change the installation
location or direction.
Check the outdoor temperature
(temperature of air taken in by
the outdoor unit).
(The outdoor temperature shall
be 46ËšC or lower.)
Clean the heat exchanger.
Installation condition check
Check the allowable
dimensions of the air suction
and discharge area.
Does the
discharged air from
other outdoor unit cause
an increase of the
suction air temperature?
Is the heat exchanger
very dirty?
Is the
airflow blocked by
obstacles or winds
blowing in the opposite
direction?
(R11718)
Not dirty
YES
YES
Dirty
NO
NO
NO
YES
Replace the compressor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean the dirty one.
Replace the compressor.
Discharge pressure check
High?
Is the stop valve open?
Is the connection pipe
deformed?
Is the
air filter or indoor/outdoor
heat exchanger
dirty?
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