Wiring Diagram: Outdoor Unit - Daikin VRV 5 RXYA8A7Y1B Installer And User Manual

27.3 Wiring diagram: Outdoor unit

RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12
Refer to the wiring diagram sticker on the unit. The abbreviations used are listed
below:
INFORMATION
The wiring diagram on the outdoor unit is only for the outdoor unit. For the indoor
unit or optional electrical components, refer to the wiring diagram of the indoor unit.
1 Symbols (see below).
2 Refer to the installation or service manual on how to use BS1~BS3 push
buttons and DS1~DS2 switches.
3 Do NOT operate the unit by short-circuiting protection device S1PH.
4 Refer to the installation manual for connecting indoor–outdoor
interconnection F1‑F2 and outdoor‑multi interconnection Q1‑Q2.
5 When using the central control system, connect outdoor–outdoor
interconnection F1‑F2.
6 The capacity of the contact is 220~240V AC – 0.5 A (rush current needs
3 A or less).
7 Use dry contact for micro current (10 mA or less, 15 V DC).
8 When using the optional adapter, refer to the installation manual of the
optional adapter.
Symbols:
Field wiring
Terminal block
Connector
Terminal
Protective earth
Noiseless earth
Earth wiring
Field supply
PCB
Switch box
Option
Colours:
BLK Black
RED Red
BLU Blue
WHT White
GRN Green
27 Technical data
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Installer and user reference guide
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