McQuay A Series - Electrical Wiring Diagrams (Continued)

1-10
N
N
L
OF
A
4WV
COMP
N
OF
4WV
COMP
N
L
E
CK40AR & CK50AR
Model Indoor 5CK30/40AR CK40AR CK50AR
Outdoor 5SL35CR SL40CR SL50CR
Voltage range** 380-420V/3Ph/50Hz +N+
!
or 208-230V/3Ph/60Hz+N+
!
Recommended fuse* (A) 10/20 16/25
Power supply cable size* (mm
2
) 1.5/2.5 2.5/4.0
Number of conductors 55
Interconnection cable size* (mm
2
) 1.5/1.5 1.5/1.5
Number of conductors 77
A
4WV
OF
N
L
COMP
A
R
S
T
4WV
OF
N
N
L
COMP
CK40AR / CK50AR <> SL40CR / SL50CR
Outdoor Coil Sensor
Indoor Unit
Terminal
Block
Interconnection
Cable
Outdoor
Unit
Terminal
Power Supply
Cable
!
There must be a double pole switch with minimum
3mm contact gap and fuse/circuit breaker as
recommended in the fixed installation circuit.
CK30AR <> SL28CR
There must be a double pole switch with
minimum 3mm contact gap and fuse/circuit
breaker as recommended in the fixed
installation circuit.
Outdoor Coil Sensor
Indoor Unit
Terminal
Block
Interconnection Cable
Outdoor Unit
Terminal
Block
Power Supply Cable
!
CK30AR <> SL30CR
N
N
L
E
N
L
OF
A
4WV
COMP
N
L
N
L
OF
A
4WV
COMP
Interconnection Cable
Outdoor Coil Sensor
Indoor Unit
Terminal
Block
Outdoor Unit
Terminal
Block
There must be a double pole switch with minimum
3mm contact gap and fuse/circuit breaker as
recommended in the fixed installation circuit.
!