York R410A User Manual page 24

Installation Procedure
Selection of size of power supply and interconnecting wires.
Precautions for Electric wiring
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.
Select wire sizes and circuit protection from table below. (This table shows 20 m length wires with less than 2% voltage
drop.)
Item
Model
YIFFYC025BAEFA
YIFFYC030BAEFA
YIFFYC036BAEFA
YIFFYC036BANFA
YIFFYC040BAEFB
YIFFYC040BANFA
Wiring connection
Make wiring to supply power to the outdoor unit, so that the power for the indoor unit is supplied by terminals.
For the detailed wiring connection with the indoor units, see the corresponding indoor operation and instruction
manual.
YIFFYC025BAEFA YIFFYC030BAEFA
YIFFYC036BAEFA
Y/G
POWER SUPPLY:
1PH,220V~,50Hz
FIG.1
YIFFYC036BANFA YIFFYC040BANFA
POWER SUPPLY:
To Indoor Unit
380V,3N~,50Hz
FIG.3
Circuit breaker
Phase Switch breaker
(A)
1 30
1 40
1 40
3 30
1 40
3 30
To Indoor Unit
Power source
Overcurrent protector wire size
rated capacity (minimum)
(A)
18
20
24
8
28
10
YIFFYC040BAEFB
Y/G
POWER SUPPLY:
1PH,220V~,50Hz
24
Earth leakage breaker
Switch breaker
(A)
2
(mm )
4.0 30
5.3 40
5.3 40
2.5 30
5.3 40
2.5 30
To Indoor Unit
FIG.2
Electric wiring
Leak current
(mA)
30
30
30
30
30
30