Carrier 40VD005S-7S-QEE Manual De Instalación Y Propietario página 24

Electrical Wiring
Supply Wiring Drawing
outdoor 1
indoor 1 (AC)
indoor 6
indoor 11
indoor 16
Outdoor units have parallel connections via three lines with polarity. The main unit, central control, and all indoor units have
parallel connections via two lines without polarity. There are three connecting ways between the line control and indoor
units:
A. One wired controller controls multiple units, that is, 2–16 indoor units, as shown in the above figure (indoor units 1–5).
Indoor unit 5 is the main unit and others are the sub units. The wired controller and the main unit are connected via
three lines with polarity. Other indoor units and the main unit are connected via two lines with polarity. SW01 on the
main unit is set to 0 while SW01 on other sub units of line control are set to 1, 2, 3, and so on in turn (please refer to the
code setting on page 20).
B. One wired controller controls one indoor unit, as shown in the above figure (indoor units 6–19). The indoor unit and
the wired controller are connected via three lines with polarity. Two wired controllers control one indoor unit, as shown
in the figure (indoor unit 20). Either of the controllers can be set to be the master controller while the other is set to be
the auxiliary controller. The master wired controller and indoor units, and the master and auxiliary wired controller are
connected via three lines with polarity.
outdoor 2 outdoor 3
indoor 2 (AC) indoor 3 (DC)
indoor 7 indoor 8
wired wired
controller controller
indoor 12 indoor 13
wired
wired
controller
controller
indoor 17 indoor 18
wired
wired
controller
controller
communication wire with polarity
indoor 4 (DC)
indoor 9
wired
controller controller
indoor 14
wired
controller controller
indoor 19
wired
controller
controller
17
control wire for wired controller
with polarity
indoor 5
wired
controller
indoor 10
wired
wired
controller
indoor 15
wired
wired
controller
indoor 20
wired
wired wired
controller controller