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ESIE15-08B
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Part 3. Repair
2. Unit specific repair procedures Monobloc CA
Page 128
19/07/16
Daikin Altherma Monobloc CA
2.2.9.2 Procedure
Removal
1.
Cut the tie wrap (1).
2.
Cut the 4-way valve pipes (2).
3.
Remove the 4-way valve (5).
4.
Recuperate the putty (3).
5.
Recuperate the insulation (4).
6.
Supply nitrogen to the piping circuit.
7.
Using an oxygen acetylene torch, heat a solder connection of the 4-way valve (5).
8.
When the solder material is liquid, pull the 4-way valve pipe (5).
9.
Repeat steps 7 and 8 for the 3 remaining 4-way valve pipes (5).
10. Cut the nitrogen supply when the piping has cooled down.
Figure 19 - Removing the 4-way valve
Installation
1.
Wrap a wet rag around the 4-way valve (5).
2.
Proceed in reverse order.
C
AUTION
The maximum applied Nitrogen pressure must not exceed 0.02 MPa.
1. Tie wrap
4. Insulation
2. 4-way valve pipe
5. 4-way valve
3. Putty
W
ARNING
Overheating the 4-way valve will damage or destroy it.
I
NFORMATION
Install the putty on the 4-way valve.
Install the compressor sound insulation in the same location.
3
4
2
5
2
4
1