Panasonic S-M20PY3E Installation Instructions Manual page 42

(4) Wiring the Panel for Cassette
1) Open the cover of the electrical component box for the indoor unit control PCB.
2) Connect the 22P connector (black) from the panel for cassette to the connector on the
indoor unit control PCB in the unit electrical component box. In this case, expose the
cutout section of the tube for the wiring protection to the outside from the electrical
component box and fix it with the clamper attached to the electrical component box.
● Insert connector lock facing PCB edge until it is locked in place. (If not connected
completely, the Auto Flap will not operate and "P09" is displayed on the remote
controller.)
● Check that the wiring connector is not caught between the electrical component box
and the cover.
● Check that the wiring connector is not caught between the unit and the panel for
cassette.
Screws (×4)
Lid of electrical component box
(5) How to Attach the Corner & Air Intake Grille
A. Attaching the corner cover
1) Check that the safety strap from the corner cover is fastened to the panel for cassette pin, as
shown in the figure.
2) Use the supplied screws to attach the corner cover to the panel for cassette.
Pin
B. Attaching the air intake grille
● To install the air intake grille, follow the steps for "Removing the air intake grille" in the
reverse order. By rotating the air intake grille, it is possible to attach the grille onto the panel
for cassette from any of 4 directions. Coordinate the directions of the air intake grilles when
installing multiple units, and change the directions according to customer's requests.
● When attaching the air intake grille, be careful that the flap lead wire does not become
caught.
Connector
Panel for cassette
wiring connector
Supplied screw
Place the corner cover so that the 5 tabs
fit into the holes in the panel for cassette.
Then fasten it in place with the supplied
screws.
42
Lock
Cutout section of the
tube for wiring protection
Unfasten the clamper that fixes
wires connected to the unit.
Fasten them together with the
panel wire.
22P (black)