3-6.  Wiring Instructions
Earth Wiring 
Make the earth wiring 25 - 30 mm longer than power cable.
Power Supply
Power Cable
Remote Control Wiring 
Ground terminal fixing for SG
(SG: Shows the ground for the shielded cable.)
Inter-unit Control Wiring
If the terminal screws on the terminal board are tightened 
too hard, the screws might be damaged. See the tightening 
torque values as shown below.
Tightening torques for 
terminal screws
1.0 – 1.4 N · m 
{10 – 14 k
g
f · cm}
<Optional parts setting and wiring>
(1)  Open the front panel and remove the screw (×1).
  Then close the panel.
Front panel
Screw (4×16)
(2)  Open the flap and then open the screw covers (×3).
Screw (4×16) Screw (4×16)
Screw 
cover
Screw (4×16)
(3) 
Disengage the hooks holding and lifting both ends of the grille.
Remove the cover of electrical component box.
ON
OFF
SW502
Hooks Hooks
Grille
Cover
(Top view)
<When Using Wireless Remote Controller 
Instead of Wired Remote Controller>
When the wireless remote controller is to be used, 
slide the switch (SW502) to the ON position.
●   If this setting is not made, an alarm will occur.
(The operation lamp on the display blinks.)
Setting status
ON:   Wireless: main, 
Wired: sub
OFF:  Wired: main, 
Wireless: sub (at shipment)
00_292008_ALL.indb   122017/8/31   13:31:14