To Connect The Electrical Wiring To The Indoor Unit - Daikin FXMA50A5VEB Installer And User Manual

18 | Electrical installation

18.2 To connect the electrical wiring to the indoor unit

Installer and user reference guide
68
18‒1 Minimum circuit ampacity
50
1.8 A
NOTICE
▪
Follow the wiring diagram (delivered with the unit, located at the inside of the
service cover).
▪
For instructions on how to connect the optional equipment, see the installation
manual delivered with the optional equipment.
▪
Make sure the electrical wiring does NOT obstruct proper reattachment of the
service cover.
It is important to keep the power supply and the transmission wiring separated
from each other. In order to avoid any electrical interference the distance between
both wirings should ALWAYS be at least 50 mm.
NOTICE
Be sure to keep the power line and transmission line apart from each other.
Transmission wiring and power supply wiring may cross, but may NOT run parallel.
1 Remove the service cover.
2 User interface cable: Route the cable through the frame, connect the cable to
the terminal block (symbols P1, P2).
3 Transmission cable: Route the cable through the frame, connect the cable to
the terminal block (make sure the symbols F1, F2 match with the symbols on
the outdoor unit). Bundle the transmission cable with the user interface cable
and fix them with a tie wrap on the wiring fixture.
4 Power supply cable: Route the cable through the frame and connect the
cable to the terminal block (L, N, earth). Fix the cable with a tie wrap on the
wiring fixture.
a Circuit breaker
b Residual current device
L N
a
a Power supply cable
b Service cover with wiring diagram
c User interface cable and transmission cable
Class
63 80
2 A 2.4 A
a
b
P1P2 F1 F2
b
100
3 A
c
VRV system air conditioner
4P680920-1 – 2022.01
125
3.2 A
FXMA-A