Daikin FTXS30HVJU - Installation Condition Check; Discharge Pressure Check

SiUS04-924 Check
Service Diagnosis 109
5.1.5 Installation Condition Check
Check No.07
5.1.6 Discharge Pressure Check
Check No.08
Installation condition check
Normal
(R7157)
Abnormal
YES
YES
YES
NO
NO
NO
Is the heat
exchanger very dirty?
Check the
allowable dimensions
of the air suction and
discharge area.
Is the airflow
blocked by obstacles or
wind blowing in the opposite
direction?
Does the
discharged air from
other outdoor unit cause an
increase of the suction air
temperature ?
Change the position of the air
discharge grille or the
installation location.
Change the position of the air
discharge grille or the
installation location.
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 114.8°F(46°C) or
lower.)
Clean the heat exchanger.
(R7158)
Not dirty
YES
YES
Dirty
NO
NO
NO
YES
Are the heat exchanger
and air filter dirty?
Is the connection
pipe deformed?
Is the stop valve
open?
High
Replace the compressor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean.
Replace the compressor.
Discharge pressure check