Samsung IDH4400A, Service Manual

Page: 19 / 79

3-2
Samsung Electronics
3-2 Exampe of Group Control Operation
3-2-1 Group Control with wired remote controller
Indoor unit
"A" chamber
Receiver
& Display
unit
Wireless
remote
controller
Outdoor unit
Receiver
& Display
unit
Receiver
& Display
unit
Receiver
& Display
unit
Wired remote
controller
Indoor unit
"B" chamber
"C" ~"N" chamber
Wireless
remote
controller
Outdoor unit
Wired remote
controller
"O" chamber
Wireless
remote
controller
Wired remote
controller
"P" chamber
Wireless
remote
controller
Wired remote
controller
Figure. 16 Chamber Group Control (Wireless remote cont wired remote controller) System
• The 16 chamber remote controller operation by wired remote controller can be simultaneously performed
all for 16 chambers through setting the 16 chambers to one group through one wired remote controller.
• While operated in Group, the control by wireless remote controller installed in all chambers (“A” ~ “P”)
is disabled except the wired remote controller installed in the “A” chamber and the simultaneous use
with the option item, the centralized controller is also disabled.
1. Setting of indoor unit Main PCB
• Put off all of set power installed in each room.
• Remove the centralized controller if any is used
already.
1. Setting of indoor unit Main PCB
• Remove CN20 connector from main PCB of
Indoor unit except the one installed in “A” with
reference of the figure.
• Connect the communicating line from “A”
chamber to “P” chamber.(R1<->R1, R3<->R3)
• Connect the “R1”, “R2” and “R3” of indoor
terminal board installed to the “R1”,”R2”,”R3”
of wired remote controller, respectively.
• Adjust the address of rotary switch of indoor
unit PCB in “A” chamber to “0”.
• Adjust the address of rotary switch of indoor unit
PCB in “B” chamber to “1”. In such a way, adjust
the address of digital switch up to chamber “P”.
• Put on the set power installed in each chamber.
3-2-2 The group operation method by wired remote controller
2-00216A(1)-PR 5/19/01 10:05 AM Page 3-2