400
Hi-Therma Split system - Outdoor unit (AHW-044/060/080HCDS1)
4-way reversing valve coil
4-way reversing valve
Screw
Brazing
Brazing
2.1.8 Removing the 4-way reversing valve and coil
1. Remove the pipe cover following “2.1.1 Removing the pipe cover”.
2. Remove the front cover and upper cover following “2.1.2 Removing the front cover and upper cover”.
3. Remove the Side cover and Electrical box cover following “2.1.3 Removing the Side cover and Electrical box cover”.
4. Disconnect the PCN6 connector on the O.U. main PCB of the electrical box.
5.
6.
Fig.2.11
2.1.9 Removing the electronic expansion valve coil
1. Remove the pipe cover following “2.1.1 Removing the pipe cover”.
2. Remove the front cover and upper cover following “2.1.2 Removing the front cover and upper cover”.
3. Remove the Side cover and Electrical box cover following “2.1.3 Removing the Side cover and Electrical box cover”.
4. Remove the CN5A connector on the O.U. main PCB of the electrical box.
5. Hold and disconnect the coil of the expansion valve. The expansion valve coil is equipped with a lock mechanism. Ensure
that the coil is locked when replacing,as is shown below.
6.
removed, disconnect the two brazing points of the electronic expansion valve. Protect the electronic expansion valve to
7. When removing the electronic expansion valve coil, it is necessary to rotate and pull out the coil at the same time, and
! CAUTION
The electronic expansion valve will malfunction if the coil does not x rmly with the valve body by the groove and the xation protrusion.
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