Hitachi P-N23NA2, Installation And Operation Manual

Page: 48 / 340


Attachment of corner pocket cover with motion
sensor PS-MSK2 on the air panel model P-N23NA2
The corner pocket cover with motion sensor can be attached to
any of corners. Determine the attaching place as user’s request.
a. Connect the relay wire (attached in the air panel) to
CN10 in the electrical box.
Plastic band
Air panel
Corner pocket
Projection
Band
Corner pocket cover
with motion sensor
Relay wire
Plastic band
Wiring cover
Relay
connector
Run the relay wire to the corner pocket cover with motion sensor
through the top of fixing plate for the indoor units. Set a length of
100mm to 200mm from the indoor unit to the relay connector.
100~200mm
Relay connector
Fixing plate
Relay wire
Indoor unit wiring
connection
Clamp the extra length of the relay wire by the plastic band and
store it at inside the ceiling.
b.
Draw out the relay wire from the corner pocket of the air
panel. Connect the wiring for motion sensor at the corner
pocket cover to the relay connector. After connecting,
cover the relay connector connection by the wiring cover
and fix the wiring cover by the plastic bands.
c. Catch the band at the rear side of the corner pocket
cover with motion sensor onto the projection at the air
panel.
d.
While pushing the wiring into the corner pocket, insert
the fixing hooks (2 portions) at
Ⓐ
to the square hole at
the air panel, and push the corner pocket cover. Then,
insert and push the fixing hook (1 portion) at
Ⓑ
to the
square hole at the air panel.
?
N O T E
• Catch securely the band onto the projection. If not, the comer pocket
cover may fall down when removing it so that may cause injury.
• Catch securely the fixing hooks of the corner pocket cover to the air
panel. If not, the fixing hooks will be damaged.
8.3 WIRING CONNECTION FOR AIR PANEL
1 The following connectors are used in the air panel. Remove
the tape fixing the wiring connectors on the air panel and pull
out them as shown in the figure below. Connect them with
the wiring connectors on the indoor unit.
>P
S<
HS
-HB
Electrical box
Motor wiring for auto louver (on
air panel) (connector for low
voltage: 18 poles, white)
Motor wiring for auto louver (on
indoor unit) (Connector for low
voltage: 18 poles, white)
Condition without air
intake grille
2 After completing the wiring connection of the air panel,
attach the air inlet grille. Perform the attaching work in the
reverse procedure of removing.
INSTALLATION OF AIR PANEL: P-N23NA2
PMML0547 rev.0 - 11/2020 14