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
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
14) Install connector
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.
Side metal plate electrical
wiring box cover
Screws
■
English
. (See Fig� 2 and Fig� 3)
1
2
3
and guide the cord as shown in the fi gure. (See Fig� 2)
1
2
3
and guide the cord as shown in the fi gure. (See Fig� 3)
Be careful not to pinch the HA connection cord or ground wire.
Connector 1
Connector 2
Fig� 2
Ground wires
Fig� 4
S21
Cut off the pins using a nipper.
Fig� 1
Sensor securing plate
Front metal plate electrical
wiring box cover
Connector 3
Fig� 3
Thermistor
Fig� 5
16