Electrical Wiring Connection - McQuay G Serie Montageanleitung

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.
Cooling unit (single phase)
Indoor Unit
Terminal Block
COMP
N2
N1
L
!
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
!
• 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.

ELECTRICAL WIRING CONNECTION

Outdoor Unit
Terminal Block
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
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.
Model
Voltage range**
Power supply cable size*
Number of wire
Interconnection cable size* mm
Number of wire
Recommended Fuse
Model
Voltage range**
Power supply cable size*
Number of wire
Interconnection cable size* mm
Number of wire
Recommended Fuse
Wire Clamp
Interconnection
Cable
1-7
07 / 09 / 10 / 15 20 / 25
220V-240V / 1Ph / 50Hz +
or 208V-230V / 1Ph / 60Hz+
2
mm 1.5 2.5
3 3
2 1.5 2.5
3 3
A 15 20
07 / 09 / 10 / 15 20 / 25
220V-240V / 1Ph / 50Hz +
or 208V-230V / 1Ph / 60Hz+
mm 2 1.5 2.5
3 3
2
1.5 2.5
5 5
A 15 20
Power Supply
Cable
!
!
!
!