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¢ Address setting by wired remote controller (UTY-RNK)
• Indoor unit addresses and refrigerant circuit addresses can be set up using wired remote con-
trollers.
• This function allows setting the addresses of all indoor units to which a wired remote controller is
being connected.
• This function cannot be used to set up remote controller addresses.
Be sure to set them up using the rotary switches on the PCB of each indoor unit. (Refer to
al address setting method"
• This function cannot be used on the slave units.
• This device is connectable to 3-wire type remote controller compatible models only. As for the
compatible models, refer to
on page 05-2.
Preparation
1.
Make sure that all indoor unit address switches (IU AD x10, IU AD x1) and refrigerant circuit
address switches (REF AD x10, REF AD x1) on the PCB of each indoor unit are set at 0 (facto-
ry setting).
The layout of the switches differs by the type of the indoor unit. For the details, refer to
on indoor unit PCB"
2.
If multiple indoor units are connected to a single wired remote controller, set up the remote con-
troller address (RC AD) manually on the indoor units PCBs by referring
ting method"
on page 07-9.
3.
Before turning on the power of indoor unit, reconfirm following items:
• Piping air tight test and vacuuming have been performed firmly.
• There is no wiring mistake.
4.
Turn on the power of indoor units.
By turning on the power, the indoor units initialize EEV.
Breaker ON
1-4. Address setting by remote controller
on page 07-9.)
"System configuration examples"
on page 07-74.
SW604 SW605 SW606 SW607 SW608
SW601
SW602
Check the switch position is set at "0".
(Factory setting)
Example: When 4 indoor units are connected
Indoor unit
0
Wired remote controller
RC AD
- (07-27) -
in Chapter 5. CONTROL SYSTEM
Rotary switch
(type A)
IU AD x10
IU AD x1
REF AD x10
REF AD x1
Indoor unit
Indoor unit
1
2
RC AD
RC AD
Indoor units
"Manu-
"Setting
"Manual address set-
Indoor unit
3
RC AD
Indoor units
1. System settings
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