143
• Use the lower case screws (2 pcs) provided in the
accessories.
• Be sure to secure lower case until the head of the
screw is flush.
Failure to do so may cause the head of the screw
to hit the control board and lead to control board
damage.
Lower case
Lower case
screw
* Please fasten the
screws properly;
tops to be lower
than the rib.
Wall
Rib
11.12.3 REMOTE CONTROLLER INSTALLATION
• Be sure to turn off the main power before installing and connecting the remote controller.
(If the remote controller is connected while the power is still turned on, the remote controller display may not
appear.)
If no display appears on the remote controller, check it by referring to “If the remote controller displays nothing”
under the section “4. Settings”.
• Be careful not to short the remote controller while there is an electrical current running through the remote control
cable.
REMOTE CONTROLLER WIRING
• Connect the indoor unit and the remote controller as shown in the illustration below.
• The remote control cable is non-polar.
• At the time of shipment from the factory, the connector cable used to connect the terminal block and connector
CN1 is disconnected. When connecting the remote controller wiring and installing the remote controller, be sure
to connect the cord to the connector CN1.
• The remote control cable supplied is 10 m long. Cut the necessary length of cable and connect the cable.
AB
Remote control cable
Connect using the
accessory round terminals
Indoor unit
Terminal block
Connector cord
Connector CN1
Terminal block
Remote
controller
lower case
Remote
controller
upper case
EXTENDING THE REMOTE CONTROL CABLE
• Solder a sheathed PVC cord or cable (0.5 - 2 mm
2
) with specifications among those given below to the remote
controller end of the accessory remote control cable (10 m).
• PVC round cabtire cord IEC 502
• 600V PVC-insulated PVC sheathed round cable IEC 227-4
• 600V PVC-insulated PVC sheathed flat cable IEC 227-4
NOTE
The maximum possible length for the remote control cable is 200 m.