3
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Components
Service manual
80
250D7Y1B
Sky Air Advance-series
ESIE19-13A – 2020.05
High pressure switch connector
measurements are correct?
Then
Yes
High pressure switch is OK. Return to
the troubleshooting of the specific error
and continue with the next procedure.
No
Replace the high pressure switch, see
3.6.2 Repair procedures
To remove the high pressure switch
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
111].
Prerequisite:
Recuperate the refrigerant from the refrigerant circuit, see
142].
1
If needed, remove any parts to create more space for the removal of the high
pressure switch.
2
Disconnect the Faston connectors from the high pressure switch.
a
c
b b
a
High pressure switch
b
Faston connector
c
High pressure switch pipe
3
Cut the high pressure switch pipe using a pipe cutter.
4
Remove the high pressure switch from the unit.
5
Supply nitrogen to the refrigerant circuit. The nitrogen pressure MUST NOT
exceed 0.02 MPa.
6
Heat the end of the high pressure switch pipe using an oxygen acetylene torch
and remove the high pressure switch pipe end.
7
Stop the nitrogen supply when the piping has cooled down.
8
To install the high pressure switch, see
To install the high pressure switch
1
Install the high pressure switch in the correct location.
Summary of Contents for Sky Air Advance RZA200D7Y1B
Page 1: ...Service manual Sky Air Advance series RZA200D7Y1B RZA250D7Y1B ...
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Page 192: ...ESIE19 13A 2020 05 Copyright 2020 Daikin Verantwortung für Energie und Umwelt ...