19
10
Set the central control address.
(For the setting of the central control address, refer to the installation manuals of the central control devices or
“Manual address setup from the remote controller” in the next to the following page and after.
SW15
SW04
1 2
SW13
SW30
SW14
SW01 SW02 SW03
D600 D601 D602 D603 D604
SW05
7-segment
display
Header unit interface P.C. board
SW30
* Header units are connected to the same
central control, except the header unit
with the smallest line address number.
8
1 2
SW30
SW30
* Header unit with the least number of the
line address.
4, 6
5
Address Setup (Continued)
U1
U2
U3
U4
U5
U6
9
TO
INDOOR
UNIT
TO
CENTRAL
CONTROL
LER
TO
OUTDOOR
UNIT
8
After completing address setting of all systems, turn off dip switch 2 of SW30 on the interface P.C.
boards of all the header outdoor units connected to the same central control, except the unit that has
the lowest address.
(For unifying the termination of the wiring for the central control of indoor and outdoor units)
9
Connect the relay connectors between the [U1, U2] and [U3, U4] terminals of the header outdoor unit of
each refrigerant line.
