Installation Condition Check; Discharge Pressure Check - Daikin FTXS09HVJU Service Manual

Check

5.1.5 Installation Condition Check

Check No.07

5.1.6 Discharge Pressure Check

Check No.08
Service Diagnosis
Installation condition check
Check the
allowable dimensions
of the air suction and
discharge area.
Normal
Does the
discharged air from
other outdoor unit cause an
increase of the suction air
temperature?
NO
Is the heat
exchanger very dirty?
NO
Is the airflow
blocked by obstacles or
winds blowing in the
opposite direction?
NO
Discharge pressure check
High
YES
Is the stop valve
open?
YES
Is the connection
pipe deformed?
NO
Are the heat exchanger
and air filter dirty?
Not dirty
Abnormal
YES
YES
YES
NO
NO
YES
Dirty
SiUS04-904
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 109°F (43°C) or lower.)
(R0287)
Replace the compressor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean.
Replace the compressor.
(R7158)
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