To Connect The Electrical Wiring On The Heat Exchanger Unit - Daikin RDXYQ5T8V1B Installer And User Manual

17 | Electrical installation

17.3 To connect the electrical wiring on the heat exchanger unit

Installer and user reference guide
96
NOTICE
▪
Follow the wiring diagram (delivered with the unit, located at the inside of the
service cover).
▪
Make sure the electrical wiring does NOT obstruct proper reattachment of the
service cover.
1 Remove the service cover. See
heat exchanger unit" [
2 Connect the transmission wiring as follows:
5 HP
RKXYQ5
X2M
TO IN/D TO OUT/D
F1 F2
a1
a
b
F1 F2 F1 F2
F1 F2 F1 F2
F1 F2 F1 F2
a Sheathed + shielded cable (2 wires) (no polarity)
a1, a2 Connection of shield to earth
b Terminal board (field supply)
NOTICE
Shielded cable. Using shielded cable for the transmission wiring is mandatory for
5 HP, and optional for 8 HP.
5 HP
RKXYQ5
X2M
F1 F2
a1
a1, a2 Earth (use the screw delivered as accessory)
When using shielded cable:
▪
In case of 5 HP (a1 and a2): Connect the shield to the earth of the compressor
unit and the heat exchanger unit.
▪
In case of 8 HP (only a2): Connect the shield only to the earth of the heat
exchanger unit.
3 Connect the power supply as follows:
1~ 50 Hz
220-240 V
a
b
c
X1M
a Earth leakage circuit breaker
b Fuse
"15.2.3 To open the switch box cover of the
4
64].
8 HP
RDXYQ5 RKXYQ8
X1M (A1P)
X2M
TO IN/D TO OUT/D
F1 F2 F1 F2
a2
a
b
F1 F2 F1 F2 F1 F2
F1 F2 F1 F2 F1 F2
F1 F2 F1 F2 F1 F2
8 HP
RDXYQ5 RKXYQ8
X2M X1M (A1P)
F1 F2
X1M
a2
RDXYQ8
X2M
F1 F2
a2
F1 F2
F1 F2
F1 F2
RDXYQ8
X2M
a2
RKXYQ5T8+8T7Y1B + RDXYQ5T8+8T7V1B
VRV IV heat pump for indoor installation
4P499898-1B – 2021.12