ΙΙ
. Control System
4. Installation
ΙΙ
22
(3) Wiring diagram
◆ Each outdoor unit connected to the same centralized controller has its own interface module.
◆ Distance between the centralized controller and the last interface module should be
1000 meters or less.
(4) Interface module installation
(5) Assigning address
◆ Turn the arrow of rotary switch on the interface module to
appropriate position. Interface modules controlled with the
same centralized controller must have different addresses.
Outdoor unit 1
Interface
module 1
Interface
module 2
Interface
module 3
Centralized
controller
Indoor unit 1 Indoor unit 2 Indoor unit 3
Outdoor unit 2
Indoor unit 4
Wired remote controller
Indoor unit 5 Indoor unit 6
Interface
module 1
Interface
module 2
CN01
(BLUE)
CN12
(BLUE)
PCB
Terminal Block
CN02
(RED)
Interface
module 3
AC power supply
Centralized
controller
Outdoor unit
Red
Blue
Interface module rotary switch
DVM TM(chapter2)_E<03759 6/14/02 1:50 PM Page 22
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