PMGB0406B rev.1
66
21.4.7 Connection for Power Supply Wiring and Communication and Wired Controller Cable
(1) Pass the communication cable and the wired controller cable through the connecting hole for the
communication cable on the DX-Kit control box.
Connect the communication cable to terminals 1, 2 (CONTROL) of TB2 inside the control box.
Connect the wired controller cable to terminals A, B (CONTROL) of TB2 inside the control box.
(2) Pass the power supply wiring and the ground wiring through the conduit hole for power supply wiring.
Connect the power supply wiring to terminals L1, L2 (PS) of TB1 inside the control box.
Connect the ground wiring to the ground terminal inside the control box.
(When connecting the power supply wiring and the ground wiring from outside the unit, run through the
conduit tube.)
(3) After all wiring is complete, exercise caution when reinstalling the control box cover, upper and lower front
panels of air handler.
Figure 41. Connection for Power Supply
Ø1inch(26mm)Connecting Hole
for Communication Cable,
Wired Controller Cable,
Thermistor Cable and
Expansion Valve Cable
Ø7/8 inch(22.2mm)
Conduit Hole for
Power Supply Wiring
Control Box Cover
Power Supply Wiring
and Ground Wiring
Wired Controller Cable
Communication Cable
Terminal Block TB1
Ground Terminal
Control Box
Terminal Block TB2
Conduit for Power Supply Wiring
To TB3 on Expansion Valve Box
X2
YX2
X3
YX5
YX4
YX3
P*****
CN402
CN403
CN404
CN401
X4
X5
R
12
11
7
5
8
10
9
2
1
3
6
4
3
2
1
4
3
2
1
3
2
6
5
4
1
3
2
6
5
4
1
4
3
2
1
2
1
PCN6
PCN7
PCN3
PCN2
YH2
C4
R3
PC4
Z2
DSA
SSR1
R8
R6
R2
R4
PC2
PC3
C35
ZD
2
HA
CN8
CN7
C3
C8
C2
REG3
LED4
LED3
L2
DM2
N
THM5
THM4
THM3
THM2
CN2
CN4
CN3
TP
L4
L3
EF4
Z3
Z4
FUNC
ZD1
C11
HIC1
DM1
CN11
CN17
LED1
C12
CN1
D12
D11 D10
DSW7
DSW3
DSW4
DSW5
DSW6
RSW1
RSW2
DSW8
R1
THM1
L1
PCN1
EFR1
EFS1
C1
Z1
CN1925
CN14
PC
1
C15
EF1
R1
2
R13
REG1
REG2
0 1
9
8
7
6
5
4 3
2
5
4 3
2
1
0
9
8
7
6
1
Flo
at
Sw
.
2
3
4
5
6
7
8
9
11
10
12
EXP
.V
AL
VE
1
2
3
4
-
6
C
O
NTRO
L
1
2
A
B
1
2
L1
L2
1
2
3
4
PS
Drain Pump
L1
L2
4
3
2
1
(Ins)DX-Kit̲4e-rev1.indd 66
(Ins)DX-Kit̲4e-rev1.indd 66
2016/11/25 15:33:04
2016/11/25 15:33:04