Installation Condition Check; Discharge Pressure Check - Daikin FTX-N Series Service Manual

SiUS091601EA
8.9

Installation Condition Check

Check No.17

8.10 Discharge Pressure Check

Check No.18
Part 6 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)
190