2
• Systems • Installation
27
• Installation
2 Field Wiring
2-4 VRV plus
2-4-4 Field line connection between main unit (RXYP-) and sub unit (RXEP-)
RSXYP24,26,28,30
1. RXYP16,20 (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. RXEP (sub-unit) Switch box
14. Connect the ground wire (green/yellow) to the ground terminal
Extended wiring (7000 mm or less)
(Sheathed cable or 0.75 mm2 cables)
Always separate the high voltage wiring from the low voltage
wiring in the branch wiring
15. Fix to safety catch
16. Connection binder
17. 30mm or more
RSXYP24,26,28,30
RSXYP24,26,28,30
12
3
5
4
A3P A4P
12 13
15
15
17
16
CN
-
19 CN
-
1CN
-
19 CN
-
1
14
16
11
10
9
8
7
6
fig. 20
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