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.
Pipe Size mm / (in)
6.35 (1/4)
9.53 (3/8)
12.7 (1/2)
15.88 (5/8)
19.05 (3/4)
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
Indoor Unit
Terminal Block
COMP
N2
N1
L
!
There must be a double pole switch
with a minimum 3mm contact gap and
fuse/circuit breaker as recommended
in the fixed installation circuit.
Cooling Unit (Power From Outdoor) FT50FV1M/
FT60FV1M9
Outdoor coil sensor
Indoor Unit
connection wire (8m long)
Terminal Block
attached in the indoor unit
COMP
N2
N1
L
There must be a double pole switch
!
with a minimum 3mm contact gap and
fuse/circuit breaker as recommended in
the fixed installation circuit.
•
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.
Torque Nm / (ft - lb)
18 (13.3)
42 (31.0)
55 (40.6)
65 (48.0)
78 (57.6)
ELECTRICAL WIRING CONNECTION
Outdoor Unit
Terminal Block
COMP
N
Power Supply Cable
Outdoor Unit
Terminal Block
COMP
L1
N1
L
N
Power Supply Cable
Flare Joint
Indoor Piping
Model
Voltage range
Power supply cable size*
Number of wire
Interconnection cable size* mm
Number of wire
Recommended fuse
6
Flared Tube
Flare Nut
Torque Wrench
Spanar
FT20FV1M
FT50FV1M
FT25FV1M
FT60FV1M9
FT28FV1M
FT35FV1M
220V-240V / 1Ph / 50Hz +
mm
2
1.5
3
2
2.0
3
A
15
!
2.5
3
2.0
3
20