16
■
English
11�
When connecting to an HA system
1) Remove the front panel and the front grille. (Refer to “
4-1� Preparation
” on page 8.)
2) Open up the sensor securing plate. (See
Fig� 1
)
3) Remove the front metal plate electrical wiring box cover (4 tabs). (See
Fig� 1
)
4) Remove connectors
1
2
3
. (See
Fig� 2
and
Fig� 3
)
5) After removing the ground wires (2 screws), remove the electrical wiring box (1 screw). (See
Fig� 4
)
6) Remove the thermistor. (See
Fig� 5
)
7) Remove the side metal plate electrical wiring box cover (7 tabs). (See
Fig� 1
)
8) Cut off the pins using a nipper. (See
Fig� 1
)
9) Wire and connect the HA connection cord to the S21 connector. (See
Fig� 1
)
10) Install the side metal plate electrical wiring box cover while being careful not to pinch the HA connection cord or ground wires (7 tabs).
11) Attach the thermistor.
12) Install the ground wires (2 screws) and the electrical wiring box (1 screw).
13) Install the connectors
1
2
and guide the cord as shown in the fi gure. (See
Fig� 2
)
14) Install connector
3
and guide the cord as shown in the fi gure. (See
Fig� 3
)
15) Attach the front metal plate electrical wiring box cover (4 tabs), and close the sensor securing plate.
16) Attach the front panel and the front grille as they were.
S21
Sensor securing plate
Front metal plate electrical
wiring box cover
Side metal plate electrical
wiring box cover
Cut off the pins using a nipper.
Be careful not to pinch the HA connection cord or ground wire.
Fig� 1
Connector 1
Connector 2
Connector 3
Fig� 2
Fig� 3
Screws
Ground wires
Thermistor
Fig� 4
Fig� 5
English
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10/29/2014 11:23:48 AM
