Electrical Wiring Connection - McQuay MDS 30 Installation Manual

7.3 Electrical wiring connection


For single unit connection.
Power
L3 N
L1 L2
Switch L2 L3 N
L1
Fuse
Switch
Two-core cable
Fuse
(power circuit)
Electrical connection for single outdoor unit (FOR AMDS080 ～ 240B(R)5)

For master and slave units connection.
Power
L3 N
L1 L2
Switch
Switch
L1 L2 L3 N L1 L2 L3 N
Fuse
Fuse
Switch
Switch
Two-core cable
Fuse
Fuse
(power circuit)
Separate electrical connection for
combined outdoor unit(FOR AMDS260 ～ 320B(R)5)
Installation Manual IM-MDS_(i)
Outdoor unit
Switch Switch
Two-core cable
Fuse
(power circuit)
Indoor unit
Separate Connection
Outdoor unit
Master Slave
Switch
Fuse
Two-core cable
(power circuit)
Indoor unit
Fuse
Power
L1 L2 L3
L1 N
Switch
Two-core cable
Fuse
(power circuit)
Series electrical connection for combined outdoor unit
(FOR AMDS260 ～ 300B(R)5, 380 ～ 500B(R)5)
N
Serial Connection
Switch
L1 L2 L3 N
Fuse
Outdoor unit
Master
L1 N
Switch
Fuse
Two-core cable
(power circuit)
Indoor unit
Slave
L1 N
Switch
Fuse
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