Piping Connection To The Units
•
Align the center of the piping and tighten the flare nut
sufficiently 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.
Heat Pump Unit (single phase)
Indoor Unit
Outdoor coil sensor connection wire
Terminal Block
(8m long) attached in the indoor unit
4WV
OF
COMP
N2
N1
L
!
Outdoor Coil Sensor Connection Wire
(8m long) attached in the indoor unit
Indoor Unit
Terminal Block
4WV
OF
COMP
N2
N1
L
Power Supply Cable
!
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
4WV
OF
COMP
N
Power Supply Cable
There must be a double pole switch
with a minimum 3mm contact gap and
fuse/circuit breaker as recommended
in the fixed installation circuit.
Outdoor Unit
Terminal Block
4WV
OF
COMP
N
There must be a double pole switch
with a minimum 3mm contact gap and
fuse/circuit breaker as recommended
in the fixed installation circuit.
Flare Joint
Indoor Piping
Model
Voltage range**
Power supply cable size*
Number of wires
Interconnection cable size*
Number of wires
Recommended fuse
Model
Voltage range**
Power supply cable size*
Number of wires
Interconnection cable size*
Number of wires
Recommended fuse
8
Flared Tube
Flare Nut
Torque Wrench
Spanar
ATY25FMV1B /
ATY50FMV1B /
ATYN25FMV1B ATYN50FMV1B
ATY35FMV1B /
ATY60FMV1B /
ATYN35FMV1B ATYN60FMV1B
220V-240V / 1Ph / 50Hz +
2
mm
1.5
3
mm
2
1.5
5
A
15
ATY71FMV1B
220V-240V / 1Ph / 50Hz +
mm
2
2.5
3
2
mm
2.5
5
A
20
!
2.5
3
2.5
5
20
!