Carrier CDII-184R1-0CTR4 - Recommended Wire Size; CDU Wiring Diagram

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8.3 RECOMMENDED WIRE SIZE
Model
Main power supply to
CDU unit [R-Y-B-N] +
Earth
Power Supply from
CDU to Indoor unit
[P – N] + Earth
Power Supply
from Master
CDU to Slave
CDU [ R-Y-B - N ] +
Earth
Communicati
on wire 2
core twisted
and shielded
7 HP
6 mm² / 4 core
+ 2.5 mm² / 1 core
2.5 mm² / 2 core +
2.5 mm² / 1 core
NA
1.0 mm²
11 HP
6 mm² / 4 core
+ 2.5 mm² / 1 core
2.5 mm² / 2 core +
2.5 mm² / 1 core
NA
1.0 mm²
14 HP
10 mm² / 4 core
+ 2.5 mm² / 1 core
2.5 mm² / 2 core +
2.5 mm² / 1 core
NA
1.0 mm²
22 HP
16 mm² / 4 core
+ 16 mm² / 1 core
2.5 mm² / 2 core +
2.5 mm² / 1 core
6 mm² / 4 core
+ 6 mm² / 1 core
1.0 mm²
Note: Ensure stable incoming power supply and unit is properly grounded.
8.4 CDU WIRING DIAGRAM
7 HP, 11 HP, 14 HP