447
Hi-Therma Monobloc System (AHZ-044/080HCDS1)
2.4.5.5
Removing the 4-way reversing valve
Remove the Upper cover as explained in “2.3.1.1 Removing the Upper cover”
Remove the Service cover, as explained in “2.3.1.2 Removing the Service cover”
Remove the electrical box cover, as explained in “2.3.1.3 Removing the electrical box cover”
Remove the Front cover, as explained in” 2.3.1.4 Removing the Front cover”
previously cooling the pipe side with wet cloth in order to avoid brazing material entering the expansion valve.
Brazing
Brazing