Hitachi P-N23NA2 - Test Run Procedures

4 Connect them with the wiring connectors to CN17 in the
electrical box as the following gure.
CN37
IC1
CN9
DSW9
21

ON
8
7
123456
3
4
5
RSW1
6
2
DSW6
8
7
3
2
1
4
5
0
9
6
21

9
RSW2
0
1

DSW5
CN11
CN17
HA
CN10
CN6
CN33
CN3
CN4CN14
THM5
CN5
LED6
CN28
CN2
THM4
LED1
Motor wiring for auto
louver (on air panel)
Cable band
Connector
(CN17)
5 After completing the wiring connection of the air panel,
attach the air inlet grille. Perform the attaching work in the
reverse procedure of removing.
6 Fasten the other end of the support string to the
corresponding hole at part Ⓐ in the panel as shown. The
fact that the air inlet grille is square allows it to be rotated to
be xed from any direction.
Supporting string
Hole to secure the
support string to the
air panel
Part Ⓐ
7 TEST RUN
! DANGER
• Do not put any foreign materials within the air inlet grille
operation range. It may lead to injury or damage.
• Keep the wire from re or sharp edge. Breaking wire may cause
of injury due to air inlet grille or air lter falling.
• If the air inlet grille or the air lter falls, it may cause injury.
1 After completing installation of the air panel, Test Run should
be performed according to installation and maintenance
manual for the indoor unit.
2 Perform the checking work for the louver during the test run.
Do not move the louver by hand. If moved, the auto-swing
mechanism will be damaged.
a. Press “
” (run / stop), and the operation is started.
Select the air ow direction by “ ” or “ ”.
b. The louver angle is changed by pressing “ ” or “ ”.
LCD Indication
The auto swing operation will be started to select “ ”
(auto swing). At this time, LCD indication displays the swing
repeatedly.
3 If there is a louver that does not move, check the connection
of the louver wiring connector (CN17).
? NOTE
• Adequate and optimal airow is dependent on application and
installation practices which include positioning of ofce equipment,
room structure, and ofce cubicle or furniture layout. Adjust airow
for maximum comfort.
• The position of the louvers may not coincide with the louver position
indicator on the LCD during auto swing operation. When adjusting
the louver angle, set it according to the louver position on the LCD.
• Even if the “
” or “ ” are pressed to stop the auto swing function, the
louver is not stopped immediately.
• If the cooling operation is performed with greater than 80% relative
humidity, condensation may form on the air panel or louver surfaces.
TEST RUN
PMML0569 rev.2 - 07/20239
EN