7
3-2. Connecting the Connection Wire
1
Connect the power supply wire (2-core + ground)
B
to the power terminal.
After they are connected, check that the wires cannot be easily pulled off.
2
Mount the ground wire using the ground wire mounting screws.
3
Connect the connection wire (3-core)
C
to the MA & Contact terminal interface (MAC-397IF-E)
A
A
A
A
A
, (sold separately) corre-
sponding to the air conditioner device number of each unit on the signal terminal.
Connection wire
C
(3-core)
Connection wire
C
(3-core)
Power terminal
Signal terminal
Power supply wire
B
(2-core + ground)
8 mm
10 mm
100 mm
• One signal terminal can be used for connecting 4 rooms.
Signal terminal
* Connect the devices corresponding to
their display number on the control panel.
Work on Connection Wire End
Note: Centralized controller side
6 mm
D
C
M
TC1
TC2
TM1
TM2
Work on Power Supply wire End
• Be sure to use 1.5 mm
2
power supply
wire
B
(2-core + ground).
• The work on power supply wire end
should be performed as shown in the fig-
ure below.
Connection wire (3-core)
MA & Contact
terminal interface
A
Centralized
controller
• Connect the centralized controller to the adapters as shown below.
Washer
80 mm
Ring tongue
terminal for
M4
D
Ground
