Daikin Sensira Series, Руководство по обслуживанию

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2 | Components
Service manual
58
FTXF20~71A + FTXF20~25B + FTXF20~42C + ATXF20~71A + ATXF20~42C
+ RXF20~71A + RXF20~60B + RXF20~42C + ARXF20~71A + ARXF20~42C
Split Sensira R32
ESIE18-12E – 2021.02
1 Remove the expansion valve motor, see "2.3.2 Repair procedures" [
4
56].
2 Remove the putty. Keep for re-use.
a b c
a Putty
b Expansion valve pipe
c Expansion valve body
a b
a Expansion valve pipe
b Expansion valve body
INFORMATION
The expansion valve and motor can have a different configuration / layout.
3 Cut the expansion valve pipes using a pipe cutter.
4 Remove the expansion valve body.
5 Supply nitrogen to the refrigerant circuit. The nitrogen pressure MUST NOT
exceed 0.02 MPa.
6 Heat the ends of the expansion valve pipes using an oxygen acetylene torch
and remove the expansion valve pipe ends.
7 Stop the nitrogen supply when the piping has cooled down.
8 To install the expansion valve body, see "2.3.2 Repair procedures" [
4
56].
To install the expansion valve body
1 Install the expansion valve body in the correct location and correctly oriented.
2 Supply nitrogen to the refrigerant circuit. The nitrogen pressure MUST NOT
exceed 0.02 MPa.