York R410A - Power Supply and Wire Sizing; Wiring Connection Diagrams

24
Installation Procedure Electric wiring
Selection of size of power supply and interconnecting wires.
Precautions for Electric wiring
Select wire sizes and circuit protection from table below. (This table shows 20 m length wires with less than 2% voltage
drop.)
Electric wiring work should be conducted only by authorized personnel.
Do not connect more than three wires to the terminal block. Always use round type crimped terminal lugs with insulated
grip on the ends of the wires.
Use copper conductor only.
3 30 10 2.5 30 30
1 40 28 5.3 40 30
3 30 8 2.5 30 30
1 40 24 5.3 40 30
1 30 18 4.0 30 30
For the detailed wiring connection with the indoor units, see the corresponding indoor operation and instruction
manual.
Wiring connection
Make wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by terminals.
1 40 20 5.3 40 30
Item
Model
Phase
Switch breaker
(A)
Circuit breaker
Overcurrent protector
rated capacity
(A)
Power source
wire size
(minimum)
(mm
2
)
Switch breaker
(A)
Earth leakage breaker
Leak current
(mA)
FIG.1 FIG.2
FIG.3
YIFFYC030BAEFA
YIFFYC036BAEFA
YIFFYC036BANFA
YIFFYC040BAEFB
YIFFYC040BANFA
YIFFYC040BAEFB
YIFFYC036BANFA YIFFYC040BANFA
YIFFYC025BAEFA
To Indoor Unit
POWER SUPPLY:
380V,3N~,50Hz
To Indoor Unit
POWER SUPPLY:
1PH,220V~,50Hz
Y/G
Y/G
To Indoor Unit
POWER SUPPLY:
1PH,220V~,50Hz
YIFFYC025BAEFA YIFFYC030BAEFA
YIFFYC036BAEFA