Daikin VRV IV+ - To Connect the Power Supply

19 | Electrical installation
Installer and user reference guide
119
REYQ8~20+REMQ5U7Y1B
VRV IV+ heat recovery
4P561154-1A – 2020.10
c
X1M
abac
d
X1M
b
5~12 HP 14~20 HP
A
A
A
d
d
d
d
a Power supply (possibility 1)
(a)
b Power supply (possibility 2)
(a)
c Power supply (possibility 3)
(a)
. Use conduit.
d Tie wrap
(a) Knockout hole has to be removed. Close the hole to avoid small animals or dirt from
entering.
19.6 To connect the power supply
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 Tightening torque (N•m)
M8 (power terminal block) 5.5~7.3
M8 (ground)