Daikin R32 Sky-Air RZAG-M Service Manual page 84

ESIE17-08 | Part 3. Repair
PROCEDURE
Removal
1. Cut the 2 expansion valve pipes (1).
2. Remove the expansion valve (2).
C
AUTION
The maximum applied Nitrogen pressure must not exceed 0.02 MPa.
3. Supply nitrogen to the piping circuit.
4. Using an oxygen acetylene torch, heat the 2 expansion valve pipes (1).
5. When the solder material is liquid, pull the 2 expansion valve pipes (1).
6. Cut the nitrogen supply when the piping has cooled down.
1. Expansion valve pipe
Installation
1. Wrap a wet rag around the expansion valve Y1E (3).
W
ARNING
Overheating the expansion valve Y1E will damage or destroy it.
2. Proceed in reverse order.
Page 84
R32 Sky-Air RZAG-M
Figure 3-18: Removing expansion valve
1
3.3. Unit specific repair procedures
2
2. Expansion valve
15/11/18 | Version 1.1