Electrical Connection - McQuay 5CKY10C Installation Manual

IMPORTANT:
* These values are for information only, they should be checked and selected to comply with the local and/
or national codes and regulations. They are also subjected to the type of installation and size of
conductors used.
5CKY10/15C/CR - 5SLY10/15D/DR
5CKY20C/CR - 5SLY20C/CR
Indoor Unit
Terminal Block
1
2
SIG
L
N
!
!
Model Indoor
Outdoor
Voltage range Indoor
Outdoor
Power supply cable size *
Number of conductors
Interconnection cable size *
Number of conductors
Recommended time delay fuse *
• All wires must be firmly connected.
• Make sure all the wire do not touch the refrigerant pipings, compressor or any moving parts.
• The connecting wire between the indoor unit and the outdoor unit must be clamped by using provided cord anchorage.
• The power supply cord must be equivalent to H07RN-F which is the minimum requirement.
• Make sure no external pressure is applied to the terminal connectors and wires.
• Make sure all the covers are properly fixed to avoid any gap.
• Use round crimp-style terminal for connecting wires to the power supply terminal block. Connect the wires by matching to
the indication on terminal block. (Refer to the wiring diagram attached on the unit).
• Use the correct screwdriver for terminal screws tightening. Unsuitable screwdrivers can damage the screw head.
• Over tightening can damage the terminal screws.
• Do not connect wire of different gauge to same terminal.
• Keep wiring in an orderly manner. Prevent the wiring from obstructing other parts and the terminal box cover.
Connect wires of the
same gauge to both side.

ELECTRICAL CONNECTION

Outdoor Unit
Terminal Block
SIG
!
Power Supply
Cable
5CKY10C/CR
5SLY10D/DR
2
mm 1.5
3
2
mm 1.5
4
A 15
Attach insulation sleeve
Round crimp-style terminal
Do not connect wires
of the same gauge to one side.
1-10
1
2
!
There must be a double pole switch
with a minimum 3 mm contact gap and
fuse/circuit breaker as recommended
in the fixed installation circuit.
5CKY15C/CR
5SLY15D/DR
220V – 240V /1Ph /50Hz + !
220V – 240V /1Ph /50Hz + !
1.5
3
1.5
4
15
Electric wire
Do not connect wires
of different gauges.
5CKY20C/CR
5SLY20C/CR
2.5
3
2.5
4
20