Group Connection - Fujitsu ASHG07KETA Design & Technical Manual

9. Group connection

NOTE: Group control cannot be used together with Wireless LAN adapter.
Installation procedure for group control system:
A number of indoor units can be operated at the same time using a single remote controller.
NOTE: When different type of indoor units (such as wall mounted type and cassette type, cassette
type and duct type, or other combinations) are connected using group control system, some
functions may no longer be available.
1. Connect up to 16 indoor units in a system.
Wiring length limitation
2. Set the R.C. address. (Function setting)
• Addresses will be automatically set when initially starting up this unit. In such a case, do not
change the remote controller address for the indoor unit, and keep it at the initial setting of
"00".
• Only set addresses manually when using different numbers for addresses.
Set the R.C. address of each indoor unit using the function setting. (Refer to "Remote con-
troller address setting" in
NOTES:
– Do not use the same setting value.
– Setting is reflected after the power is turned on again.
Also set the R.C. address for the remote controller. For details, refer to the remote controller
installation manual.
NOTE: In manual setting, connect up to 15 indoor units in a system.
I.U. I.U.
B
A
Remote controller
A, B, C, D, E: Remote controller cable
Example of wiring method
Indoor unit 1 Indoor unit 2
1 2
R W
Remote controller
"Contents of function setting"
Example of wiring method
Indoor unit 1 Indoor unit 2
RC AD RC AD
01
Remote controller
- 29 -
I.U. I.U.
C D E
A + B + C + D + E ≤ 500 m
Indoor unit 3
Bus wire
Remote
controller cable
on page 34.)
Indoor unit 3
RC AD
02 03
Indoor unit 4
Indoor unit 4
RC AD
04
9. Group connection