Daikin 4MXM-M User Manual

ESIE16-02B | Part 3. Repair 3.3. Unit specific repair procedures
4/04/17 | Version 1.1 Page 81
RA R32 Split & multi split M-Series
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 "Replacing expansion valve motor" on page 82.
4. Remove plate work when required.
5. Remove any part that block the way to the expansion valve body.
PROCEDURE
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).
Figure 3-12: Removing the expansion valve
Installation
1. Wrap a wet rag around the expansion valve body (3).
2. Proceed in reverse order.
INFORMATION
Follow local regulations and Daikin refrigerant repair procedures during the repair of your unit, refer to "Refriger-
ant repair procedures" on page 61.
CAUTION
The maximum applied Nitrogen pressure must not exceed 0.02 MPa.
1. Putty 3. Expansion valve
2. Expansion valve pipe
WARNING
Overheating the expansion valve body will damage or destroy it.
INFORMATION
Install the putty on the expansion valve body piping.
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Daikin 4MXM-M Specifications

General

Brand	Daikin
Model	4MXM-M
Category	Air Conditioner
Language	English