SiUS121502E
8.10 Installation Condition Check
Check No.17
8.11 Discharge Pressure Check
Check No.18
Service Diagnosis
Installation condition check
Check the allowable
dimensions of the air
suction and
discharge area.
OK
Is the discharged air
short-circuited?
NO
Is the outdoor heat
exchanger very dirty?
NO
Is the airflow blocked by
obstacles or winds
blowing in the opposite
direction?
YES
Discharge pressure check
High?
YES
Is the stop valve open?
YES
Is the connection pipe
deformed?
NO
Is the air
filter or indoor / outdoor
heat exchanger
dirty?
YES
NG
YES
YES
NO
NO
NO
YES
NO
Check
Change the installation
location or direction.
Change the installation
location or direction.
Clean the outdoor heat
exchanger.
Check the outdoor temperature.
(The outdoor temperature
should be within the operation
range.)
Change the installation
location or direction.
(R19394)
Replace the compressor.
Open the stop valve.
Replace the pipe installed at
the site.
Replace the compressor.
Clean the dirty air filter or
indoor / outdoor heat
exchanger.
(R21121)
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