• Installation
2
•
Systems • Installation
26
2
Field Wiring
2-4
VRV plus
2-4-4
Field line connection between main unit (RXYP-) and sub unit (RXEP-)
NOTES
1
In the event that the main unit and the sub unit are separated by 1000 mm or more, the attached cables cannot be used. The wiring between the
outdoor units should be connected by extending the attached cable using the included connectors.
2
The connector must be wired to be inside the switch box.
RSXYP16,18,20 (Refer to figure 20)
1. RXYP8,10 (main unit)
2. RXEP8,10 (sub unit)
3. Power supply
4. Branch wiring between outdoor units (high voltage)
5. Branch wiring between outdoor units (low voltage)
6. insulation material
7. gas line
8. cable (high voltage)
9. insulation material
10. liquid line
11. cable (low voltage)
12. RXYP (main unit) Switch box
13. RXYP (main unit) Inverter box
14. RXEP (sub-unit)
15. Fix to the safety catch.
16. Connect the ground wire (green/yellow) to the ground terminal
17. Extended wiring (7000 mm or less)
(Sheathed cable or 0.75 mm2 cables)
18. Divide the low voltage wire from the high voltage wire using the
wire clip on the bottom of the inverter box
19. Always separate the high voltage wiring from the low voltage wiring
in the branch wiring
20. 30 mm or more
21. Connection binder
RSXYP16,18,20
A1P
12
15
15
20
21
21
CN -19
CN -19
CN -1
CN -1
19
18
14
13
3
1
2
4
5
RSXYP16,18,20
17
16
16
11
10
9
8
7
6
fig. 20
