Recommended Wire Length And Diameter; Wiring System Diagram - Argo AE4MI91AH Technical & Service Manual

7-4. Recommended Wire Length and Diameter

Regulations on wiring diameter differ from locality to locality. For field wiring requirements, please refer to your local
electrical codes. Carefully observe these regulations when carrying out the installation.
Table 2 shows maximum wire lengths for control line and power line and fuse or circuit capacity.
NOTE
Refer to the wiring system diagram (Fig. 6) for the meaning of "A" and "B" in Table 2.
Table 2
Cross-sectional Max. Control Line Length
Area (mm
Model
AE4MI91AH
WARNING
Be sure to comply with local codes on running
the wire from the indoor unit to the outdoor unit
(size of wire and wiring method, etc.).
Each wire must be firmly connected.
No wire should be allowed to touch refrigerant
tubing, the compressor, or any moving part.
Be sure to connect power wires correctly
matching up numbers on terminals of the
outdoor unit and respective indoor units A – D.

7-5. Wiring System Diagram

4 indoor units with AE4MI91AH
2
) (A)
1.0
34 m
Indoor Unit
Max. Power Line Length
(B)
2.0 2.6 3.5
15 m 20 m 26 m
CAUTION
Unit A
(A)
Unit B
Unit C
Unit D
Fig. 6
16
Fuse
or
Circuit Capacity
30 A
To avoid the risk of electric
shock, each air conditioner
WARNING
unit must be grounded.
Be sure to connect the
power supply line to the
outdoor unit as shown in
the wiring diagram. The
indoor unit draws its power
from the outdoor unit.
Outdoor Unit
Terminal plate (16P)
Unit A
Unit B
Unit C
Unit D
Terminal plate (3P)
Grounding line
Power supply
Single-phase AC 220V – 240V
(B)