To Connect The Power Supply - Daikin VRV IV+ Installer And User Reference Manual

19.6 To connect the power supply

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