Repair Procedures - Daikin RXTA30B2V1B Service Manual

4 | Components

4.4.2 Repair procedures

To remove the expansion valve coil
To remove the expansion valve body
Service manual
76
Is the problem solved?
No
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 If needed, remove any parts or insulation to create more space for the
removal.
a Expansion valve coil
2 Pull the expansion valve coil to remove it from the expansion valve body.
INFORMATION
It may be needed to turn the expansion valve coil 1/8 turn counter clockwise to
unlock it. Make sure to note the correct orientation (position) of the expansion valve
coil before removal.
3 Cut all tie straps that fix the expansion valve coil harness.
4 Disconnect the expansion valve coil connector S20 from the main PCB.
5 To install the expansion valve coil, see
Prerequisite: Recuperate the refrigerant from the refrigerant circuit, see
"5.2.2 Repair procedures" [
Prerequisite: If needed, remove any parts or insulation to create more space for
the removal.
1 Remove the expansion valve coil, see
Action
Return to the troubleshooting of the
specific error and continue with the
next procedure.
a
"4.4.2 Repair
4
216].
"4.4.2 Repair
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+FTXTM30+40R2V1B+FTXTP25+35M5V1B+ATXTP25+35M5V1B
4
"4.17 Plate work" [ 144].
4
procedures" [ 76].
4
procedures" [ 76].
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02