Power Supply Cable - Fujitsu AIRSTAGE J-IIIL Design & Technical Manual

4-2. Power supply cable

RELATED LINKS
"Electrical characteristics"
"Electrical characteristics"
¢ Specifications
Use a separate power supply for the outdoor unit and indoor unit.
 Outdoor unit
Model
AOU72RLAVL
AOU96RLAVL
AOU120RLAVL
• MCA: Minimum Circuit Ampacity
• MAX. CKT. BKR: Maximum Circuit Breaker
• GFEB: Ground Fault Equipment Breaker
• Select the power cable type and size in accordance with local regulations.
• Select a wire length (maximum wire length) so that the voltage drop is less than 2%.
• When the wire length is long and voltage drop exceeds this value, increase the wire diameter to
stay within design limits.
 Indoor unit
Model
All models
Refer to the table for the breaker specifications of each installation condition.
Perform the power crossover wiring within the range of the same refrigerant system. When the pow-
er crossover wiring is done, make a connection for indoor units to satisfy conditions of Table A and B
below.
• Select the power cable type and size in accordance with local regulations.
• Include at least one breaker and one disconnect per refrigerant circuit.
• Power supply circuits should only be connected to units and the same refrigerant circuit.
• Design the power supply circuit to keep the voltage drop within 2%.
4-2. Power supply cable
in Chapter 3. OUTDOOR UNITS on page 03-21
in Chapter 4. INDOOR UNITS on page 04-26
MCA (A)
38
39
47
Recommended
MAX. CKT. BKR (A)
cable size (AWG)
16 to 10
- (06-50) -
MAX. CKT. BKR (A)
40
50
Breaker for leakage
current
15 Refer to Table B
GFEB
100 mA, 0.1 sec or less
Remarks
208/230 V ~ 60 Hz
2 wire + ground
4. Wiring design