Table of Contents
Advertisement
5.5
Wiring system diagrams
i
Important
● The letter coding (A to F) used in this section refers only to the wiring system diagrams
in this section.
● For information on "(A) Power supply of outdoor unit" refer to the "Installation
Instructions" for the relevant outdoor unit.
Wiring system diagram – ECOi systems
Power supply
220 – 240V ~50/60Hz
Remote
controller
WHT
BLK
Power supply
220 – 240V ~50/60Hz
Remote
controller
WHT
BLK
Power supply
220 – 240V ~50/60Hz
Power supply
220 – 240V ~50/60Hz
Remote
controller
WHT
BLK
Recommended wire lengths and diameters
AHU Kit
PAW-160/280/560MAH2(M/L)
Control wiring
(between outdoor unit and AHU Kit)
0.75 mm
(AWG# 18)
Use shielded wiring
Max. 1,000 m
1 "E" and "F" are relevant for ECOi multi connection systems.
AHU Kit – Installation Instructions – 11/2021
AHU Kit (No. 1)
L
L
N
N
Ground
B
U1
U2
D
1
1
R1
2
2
R2
AHU Kit (No. 2)
L
L
N
N
Ground
B
U1
U2
D
R1
1
1
R2
2
2
Group control:
AHU Kit (No. 3)
L
L
N
N
Ground
B
E
U1
U2
R1
R2
AHU Kit (No. n)
L
L
N
N
Ground
B
U1
U2
D
1
1
R1
R2
2
2
Type
(C) Inter-unit control wiring
or
2.0 mm
2
(AWG# 14)
Use shielded wiring
Max. 2,000 m
Outdoor unit
INV unit
C
L1
1
L2
2
L3
Ground
N
3
4
Ground
C
Ground
Inter-outdoor-unit control wiring
F
Ground
Outdoor unit
INV unit
Ground
L1
L2
3
L3
Ground
4
N
C
Ground
Ground
C
Ground
(B) Power supply
2.5 mm
(AWG#13)
2
Max. 150 m
(D) Remote control
wiring
0.75 mm
2
2
(AWG# 18)
Use shielded wiring
Max. 500 m
Electrical Wiring
A
L1
Power supply
L2
380 – 415V, 3 N~, 50Hz
L3
N
Ground
A
L1
Power supply
L2
380 – 415V, 3 N~, 50Hz
L3
N
Ground
Time delay fuse or circuit breaker
10 – 16 A
(E) Control wiring
(F) Inter-outdoor-
for group control
unit control
1
wiring
0.75 mm
0.75 mm
2
(AWG# 18)
(AWG# 18)
Use shielded wiring
Use shielded wiring
Max. 200 m (total)
Max. 300 m
5
1
2
87
Advertisement
Table of Contents
