1-6
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.
** The appropriate voltage range should be checked with label data on the unit. ETL listed is only applicable
to 60Hz power supply only.
Model 07 / 09 / 10 / 15 20 / 25
Voltage range**
220V-240V / 1Ph / 50Hz +
!
or 208V-230V / 1Ph / 60Hz+
!
Power supply cable size* mm
2
1.5 2.5
Number of wire 33
Interconnection cable size* mm
2
1.5 2.5
Number of wire 33
Recommended Fuse A 15 20
Model 07 / 09 / 10 / 15 20 / 25
Voltage range**
220V-240V / 1Ph / 50Hz +
!
or 208V-230V / 1Ph / 60Hz+
!
Power supply cable size* mm
2
1.5 2.5
Number of wire 33
Interconnection cable size* mm
2
1.5 2.5
Number of wire 55
Recommended Fuse A 15 20
!
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
Indoor Unit
Terminal Block
Power Supply Cable
Outdoor coil sensor connection wire
(8m long) attached in the indoor unit
COMP
N2
OF
4WV
N1
L
COMP
OF
4WV
N
Heat pump unit (single phase)
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
Cooling unit (single phase)
• 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 as shown
in the figure.
• The power supply cord must be equivalent to H05RN-F
(245IEC57) which is the minimum requirement.
Wire Clamp
Interconnection
Cable
Power Supply
Cable
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