Sanyo 26KHS72R Installation Instructions - Page 63

Wiring System Diagram for Group Control, Wiring procedure, Group control using 2 remote controllers

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07-115 SSHP_II 5/7/07 4:00 PM Page 63 6-4. Wiring System Diagram for Group Control This diagram shows when several units (maximum of 8) are controlled by a remote controller (main unit). In this case, a remote controller can be connected at any indoor unit. I Wiring procedure Wire according to the diagram at right: G Address setting is executed automatically when the outdoor unit is turned on. I Group control using 2 remote controllers It does not matter which of the 2 remote controllers you set as the main controller. When using multiple remote controllers (up to 2 of them can be used), one is the main remote controller and the other is the sub-remote controller. G To set up a sub-remote controller, change its remote control address connector (RCU. ADR) located on its PCB from main to sub position (main: when shipped from factory). Remote controller 12 Wire joint 12 Indoor unit No. 1 U1 U2 Inter-unit control wiring U1 U2 Outdoor unit : Ground (earth) Remote controller (main) (sub) Connection wiring 12 for group control 12 Wire joint 12 Indoor unit No. 1 U1 U2 12 Indoor unit No. 2 U1 U2 12 Indoor unit No. 3 U1 U2 12 Indoor unit No. 8 U1 U2 RC (WD) U1 U2 U1 U2 U1 U2 Outdoor unit Outdoor unit Outdoor unit U1 U2 Outdoor unit : Ground (earth) 63

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63
RC
(WD)
6-4.
Wiring System Diagram for Group Control
This diagram shows when several units (maximum
of 8) are controlled by a remote controller (main
unit).
In this case, a remote controller can be connected
at any indoor unit.
■
Wiring procedure
Wire according to the diagram at right:
●
Address setting is executed automatically when
the outdoor unit is turned on.
■
Group control using 2 remote controllers
It does not matter which of the 2 remote controllers
you set as the main controller.
When using multiple remote controllers (up to 2 of
them can be used), one is the main remote
controller and the other is the sub-remote
controller.
●
To set up a sub-remote controller, change its
remote control address connector (RCU. ADR)
located on its PCB from main to sub position
(main: when shipped from factory).
(
su
b)
12
Wire joi
n
t
Remote
co
n
troller
(mai
n
)
: Gro
un
d (earth)
Co
nn
ectio
n
wiri
ng
for
g
ro
u
p co
n
trol
12
U1 U2
U1 U2
U1 U2
U1 U2
U1 U2
U1 U2
U1 U2
U1 U2
12
O
u
tdoor
un
it
I
n
door
un
it
No. 1
12
O
u
tdoor
un
it
I
n
door
un
it
No. 2
12
O
u
tdoor
un
it
I
n
door
un
it
No.
3
12
O
u
tdoor
un
it
I
n
door
un
it
No.
8
U1 U2
U1 U2
12
: Gro
un
d (earth)
O
u
tdoor
un
it
I
n
door
un
it
No. 1
12
Remote
co
n
troller
I
n
ter-
un
it
co
n
trol
wiri
ng
Wire joi
n
t
07-115 SSHP_II
5/7/07
4:00 PM
Page 63