• VRV
®
Systems • Outdoor Units
21
• Outdoor Units • VRV
®
Heat Pump • RXYSQ4-6PAY
6
Wiring diagram
6 -
2
External connection diagram
3D057919
RXYSQ-PY1
Outdoor units
Power supply
Main switch
Switch
Fuse
2 wires cable
Power supply
Main
switch
(Transmission line)
2 wires cable
(Transmission line)
2 wires cable
(Transmission line)
2 wires cable
(Transmission line)
Switch
Switch
Fuse
Fuse
2 wires cable
2 wires cable
2 wires cable
(Power line)
(Power line)
(Power line)
Indoor units
2 wires cable
(Power line)
Switch
Switch
Fuse
Fuse
2 wires cable
(Power line)
Notes)
1
All wiring, components and materials to be produced on the site must comply with the applicable local and
national codes.
2
Use copper conductors only.
3
As for details, see wiring diagram.
4
Install circuit breakers for safety.
5
All field wiring and components must be installed by a licensed electrician.
6
The unit shall be grounded in compliance with the applicable local and national codes.
7
Wiring shown are general points-of-connection guides only and are not intended for or to include all details for
a specific installation.
8
Be sure to install the switch and the fuse to the power line of each equipment.
9
Install the main switch that can interrupt all power sources in an integrated manner because this system consists
of the equipment utilizing the multiple power sources.
10
If there exists the possibility of reversed phase, lose phase, momentary blackout or the power goes on and off
while the product is operating, attach a reversed phase protection circuit locally.
Running the product in reversed phase may break the compressor and other parts.
EEDEN10-200_11_RXYSQ4-6P7Y1B.pdf 23
9/06/2010 13:14:46