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English
Indoor Unit Installation (2)
11.
When connecting to an HA system
1) Remove the electric box. (See
3. How to set the
different addresses
2) Cut off the pins using a nipper.
3) Wire as shown in the diagram and connect the
connection cord to the S21 connector.
4) Attach the side metal plate cover and thermistor
sensor and return the electric box to its previous
state.
5) Attach connectors 5P, 6P, and 7P.
6) Replace the front metal plate cover and the sensor
securing plate.
Half concealed installation
Only items peculiar to this installation method are given here. See
Exposed Installation
for additional instructions.
1.
Wall hole
• Drill a wall hole of the size shown in the illustration on the right.
2.
Installation of supplemental plate for attaching main unit
• The rear of the unit can be fixed with screws at the points shown in the illustration as below. Be sure to install the
supplemental plate in accordance with the depth of the inner wall.
CAUTION
1) The supplemental plate for installing the main unit must be used, or there will be a gap between the unit and the wall.
S21
HA cord
Side metal plate cover
HA connector
(S21)
2) Pin
Front metal plate cover
Sensor
securing
plate
670-690
585-595
(Unit: mm)
Open size
Opening hole
Floor
Fixing point
on the back
Supplemental plate
(Field supply)
140
230
644
Screw hole
Screw hole
Opening hole
150
250
95
Supplemental plate
(Field supply)
250
200
(Unit: mm)
3PEN477070-1F.book Page 14 Thursday, March 28, 2019 9:06 AM
