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4.
When connecting to an HA system
For this procedure, accessories which are sold separately are needed.
(wired remote controller, central remote controller, etc.)
• In case there is a work space on the right side of the indoor unit, the procedure can be done while fixing the
electrical wiring box.
Skip to removal of the electrical wiring box if possible, in order to work most efficiently.
(For details, refer to the fixing manual which is attached to the HA board)
1) Remove the front grille. (3 screws)*
*The 18/24 class models have 5 screws. (Refer to "2. Removing and installing the front grille" on page 11.)
2) Remove electrical wiring box cover. (1 screw) (See Fig.5, 6)
Electrical wiring
box cover fixing
screw
3) Attach the HA connection code.
• Insert HA connection code to HA connector S21 (white)
• Wire HA connection code as shown in the figure. (See Fig.7)
4) Replace the electrical wiring box cover. (1 screw)
5) Replace the front grille.
■
English
Hook
Electrical wiring
box cover
Fig.5
HA connector "S21" (white)
Fig.7
Fig.6
Switch control
(sold separately)
Electrical wiring board
Electrical wiring box cover
12
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