Panasonic U-10ME1E81 - Troubleshooting Guide; Indoor Unit Symptoms and Causes; Outdoor Unit Symptoms and Causes

14
4-3. Wiring System Diagrams
NOTE
(1) Refer to Section 4-2. “Recommended Wire Length
andWireDiameterforPowerSupplySystem”forthe
explanationof“A”,“B”,“C”,“D”,“E”and“F”intheabove
diagram.
(2) The basic connection diagram of the indoor unit shows the
terminal boards, so the terminal boards in your equipment
may differ from the diagram. (Fig. 4-3)
(3) Refrigerant Circuit (R.C.) address should be set before
turning the power on.
(4) Regarding R.C. address setting, refer to the installation
instructions supplied with the remote controller unit
(Optional). Auto address setting can be executed by
remote controller automatically. Refer to the installation
instructions supplied with the remote controller unit
(optional).
(5) Fig. 4-3 shows the electrical connections in detail.
A
560
45
295
45
75
60
100
85
Riveting nut M8
Pressure line
Intake line
TOP VIEW
SIDE VIEW
Main Power Supply
RC line P-Link
Fig. 4-2
Fig. 4-1
Fig. 4-3
Example: EAIRC-MJ Type
U2
U1
R2
R1
L
N
R2
R1
R2
R1
R2
R1
2
1
2
1
U2
U1
L
N
U2
U1
L
N
U2
U1
L
N
2
1
2
1
2
1
D
E
C
B
L
N
L
N
L
N
L
N
2
1
B
B
B
C
D
D
C
4
3
A
L1
L2
L3
N
4
3
A
L1
L2
L3
N
F
C
L1
L2
L3
N
L1
L2
L3
N
1
2
Power supply
220 – 240V ~50/60Hz
Remote
controller
Remote
controller
Remote
controller
WHT
BLK
WHT
BLK
WHT
BLK
Power supply
220 – 240V ~50/60Hz
Power supply
220 – 240V ~50/60Hz
Power supply
220 – 240V ~50/60Hz
Ground
Ground
Ground
Ground
Ground
Ground
Inter-outdoor-unit control wiring
Ground
Ground
Ground
Outdoor unit
INV unit
Power supply
380 – 415V, 3 N~, 50Hz
Power supply
380 – 415V, 3 N~, 50Hz
Outdoor unit
INV unit
Ground
Ground
Ground
Ground
Ground
Ground
Indoor unit
(No. 1)
Indoor unit
(No. 2)
Indoor unit
(No. n)
Indoor unit
(No. 3)
Group control:
Terminal board
EAIRC-MJ, EAIRC-MS Types
Power
supply
Unit
control line
Remote
control line