6
N1
N2
COMP
L
L
N1
L1
COMP
N
• All wires must be firmly connected.
• All wires must not touch the refrigerant piping, compressor or any moving parts of the fan motor.
• The connecting wires between the indoor unit and the outdoor unit must be clamped on the wire clamps.
• The power supply cord must be equivalent to H05RN-F (245IEC57) which is the minimum requirement.
Cooling Unit (Power From Outdoor) FT50FV1M/
FT60FV1M9
!
There must be a double pole switch
with a minimum 3mm contact gap and
fuse/circuit breaker as recommended in
the fixed installation circuit.
Power Supply Cable
Outdoor Unit
Terminal Block
Indoor Unit
Terminal Block
Outdoor coil sensor
connection wire (8m long)
attached in the indoor unit
ELECTRICAL WIRING CONNECTION
Cooling Unit
IMPORTANT: * The figures shown in the table are for information purpose only. They should be checked and selected to
comply with the local/national codes of regulations. This is also subject to the type of installation and
conductors used.
Cooling Unit (Power From Indoor) FT20/25/28/35FV1M
COMP
N2
COMP
N
N1
L
Outdoor Unit
Terminal Block
Indoor Unit
Terminal Block
There must be a double pole switch
with a minimum 3mm contact gap and
fuse/circuit breaker as recommended
in the fixed installation circuit.
!
Power Supply Cable
FT20FV1M FT50FV1M
FT25FV1M FT60FV1M9
Model FT28FV1M
FT35FV1M
Voltage range 220V-240V / 1Ph / 50Hz +
!
Power supply cable size* mm
2
1.5 2.5
Number of wire 33
Interconnection cable size* mm
2
2.0 2.0
Number of wire 33
Recommended fuse A 15 20
Piping Connection To The Units
• Align the center of the piping and tighten the flare nut suffi-
ciently with fingers.
• Finally, tighten the flare nut with the torque wrench until the
wrench clicks.
Indoor Piping Flare Nut
Flared TubeFlare Joint
Pipe Size mm / (in) Torque Nm / (ft - lb)
6.35 (1/4) 18 (13.3)
9.53 (3/8) 42 (31.0)
12.7 (1/2) 55 (40.6)
15.88 (5/8) 65 (48.0)
19.05 (3/4) 78 (57.6)
Spanar
Torque Wrench
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