To Connect The Power Supply - Daikin VRV 5 RXYA8A7Y1B Installer And User Manual

20.6 To connect the power supply

RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12
The power supply MUST be clamped to the bracket using field supplied clamp
material to prevent external force being applied to the terminal. The green and
yellow striped wire MUST be used for earthing only.
See "20.1.6 Specifications of standard wiring
requirements.
5~12 HP
a c b d
14~20 HP
a c b d
a Power supply (380~415 V, 3N~ 50 Hz)
b Fuse
c Earth leakage protector
d Earth wire
e Power supply terminal block
f Connect each power wire: RED to L1, WHT to L2, BLK to L3 and BLU to N
g Earth wire (GRN/YLW)
h Tie wrap
i Cup washer
j When connecting the earth wire, it is recommended to perform curling.
NOTICE
Never connect the power supply to transmission wiring terminal block. Otherwise
the entire system may break down.
CAUTION
▪
When connecting the power supply: connect the earth cable first, before making
the current-carrying connections.
▪
When disconnecting the power supply: disconnect the current-carrying cables
first, before separating the earth connection.
▪
The length of the conductors between the power supply stress relief and the
terminal block itself MUST be as such that the current-carrying wires are
tautened before the earth wire is in case the power supply is pulled loose from
the stress relief.
Tightening torque for the terminal screws:
Screw size
M8 (power terminal block)
M8 (ground)
20 Electrical installation
|
4
components" [ 132] for wiring
e
f
g
i
j
h
e
f
g
i
j
h
Tightening torque (N•m)
5.5~7.3
Installer and user reference guide
137