Repair Procedures - Daikin FTXA20A Service Manual

3 | Third party components
To perform a pressure test of the refrigerant circuit

3.2.2 Repair procedures

To open the stop valves of the refrigerant circuit
Service manual
162
3 Measure the pressure of the refrigerant. The measured pressure converted
into saturated temperature MUST be in line with the expected pressure /
saturated temperature at current ambient temperature.
4 If the measured pressure is significantly higher (>5K), non‑condensables
gasses are most likely present in the refrigerant.
Any non‑condensables found in the
refrigerant circuit?
Yes
No
1 Perform a pressure test in line with local legislation.
Is the pressure in the refrigerant circuit
correct?
Yes
No
Prerequisite: Remove the required plate work, see
1 Remove the caps.
a Liquid stop valve
b Gas stop valve
2 Completely open the stop valves by screwing the stop valve screw
counterclockwise.
Action
To replace the refrigerant, see
"3.2.2 Repair procedures" [
Return to the troubleshooting of the
specific error and continue with the
next procedure.
Action
Return to the troubleshooting of the
specific error and continue with the
next procedure.
Replace the leaking part of the
refrigerant circuit, see
4
procedures" [ 162].
"2.14 Plate
a
b
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
4
162].
"3.2.2 Repair
4
work" [ 120].
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05