Replacing Expansion Valve Body - Daikin 2MXM50M Service Manual

ESIE16-02B | Part 3. Repair

3.3.2.7. Replacing expansion valve body

PRELIMINARY ACTIONS
1. Switch off the Daikin unit via the user interface.
2. Switch off the Daikin unit with the field supplied circuit breaker.
3. Remove the expansion valve motor, refer to
4. Remove plate work when required.
5. Remove any part that block the way to the expansion valve body.
PROCEDURE
I
NFORMATION
Follow local regulations and Daikin refrigerant repair procedures during the repair of your unit, refer to
ant repair procedures" on page
C
AUTION
The maximum applied Nitrogen pressure must not exceed 0.02 MPa.
Removal
1. Recuperate the putty (1).
2. Using a pipe cutter, cut the expansion valve body pipes (2).
3. Remove the expansion valve body (3).
1. Putty
2. Expansion valve pipe
Installation
W
ARNING
Overheating the expansion valve body will damage or destroy it.
1. Wrap a wet rag around the expansion valve body (3).
I
NFORMATION
Install the putty on the expansion valve body piping.
2. Proceed in reverse order.
4/04/17 | Version 1.1
RA R32 Split & multi split M-Series
"Replacing expansion valve motor" on page
61.
Figure 3-12: Removing the expansion valve
1 2
3.3. Unit specific repair procedures
82.
3
3. Expansion valve
"Refriger-
Page 81