Daikin VRV IV+ RYYQ14U7Y1B Series Installer And User Manual page 170

26 | Technical data
Installer and user reference guide
170
4 For connection wiring to indoor–outdoor transmission F1‑F2,
outdoor‑outdoor transmission F1‑F2, outdoor‑multi transmission Q1‑Q2,
refer to the installation manual.
5 How to use BS1~BS3 switch, refer to the "Service Precaution" label on the
electrical component box cover.
6 When operating, do NOT short-circuit the protection devices (S1PH).
7 Only for RYYQ model
8 Only for RYYQ/RYMQ model
9 For 8~12 HP: Connector X1A (M1F) is white, connector X2A (M2F) is red.
9 For 14~20 HP: Colours (see below).
10 Colours (see below).
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
Legend for wiring diagram 8~12 HP:
A1P Printed circuit board (main)
A2P Printed circuit board (noise filter)
A3P Printed circuit board (inverter)
A4P Printed circuit board (fan)
A5P Printed circuit board (ABC I/P) (option)
BS1~BS3 (A1P) Push button switch (MODE, SET, RETURN)
C* (A3P) Capacitor
DS1, DS2 (A1P) DIP switch
RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ heat pump
4P546228-1B – 2020.10