SiENBE04-507A Check
Service Diagnosis 147
5.1.5 Installation Condition Check
Check No.7
5.1.6 Discharge Pressure Check
Check No.8
Installation condition check
Change the position of the air
discharge grille or the
installation location.
Change the position of the air
discharge grille or the
installation location.
Clean the heat exchanger.
Change the installation
location or direction.
Check the outside air
temperature (temperature of air
taken in by the outdoor unit).
(The outside air temperature
shall be 43°C or lower.)
Check the
allowable dimensions of the
air suction and discharge
area.
Is the air
flow blocked by
obstacles or winds blowing in
the opposite direction?
(R1438)
Does the
discharge air from other
outdoor unit cause an increase
of the suction air
temperature?
Is the heat exchanger
very dirty?
Abnormal
YES
YES
NO
NO
Normal
NO
YES
Discharge pressure check
Replace compessor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean.
Replace the compressor.
(R1443)
At the heat exchanger
and air filter dirty?
Is the stop valve open?
Is the connection
pipe deformed?
High
YES
YES
NO
NO
NO
YES
YES
NO
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