Fujitsu Airstage J-II Series Design & Technical Manual page 686

1-4-5. SIMPLE REMOTE CONTROLLER (UTY-RSKU, UTY-RHKU)
● Indoor unit addresses and refrigerant circuit addresses can be set up using simple remote controllers.
● This function allows setting the addresses of all indoor units to which a simple 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 1-3.)
● This function can be set up on both UTY-RSKU (With operation mode) and UTY-RHKU (Without operation
mode) types.
● This function cannot be used on the slave units.
„ 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 (factory setting).
SW604 SW605 SW606 SW607 SW608
SW601 SW602
● If any of the switches is positioned at a value other than 0, this function will not activate.
● The layout of the switches differs depending on the type of the indoor unit. (Refer to 2-2.)
2) If multiple indoor units are connected to a single simple remote controller, make sure to
manually set up the remote controller address (RC AD) on the PCBs of the indoor units.
(Refer to 1-3.)
Ex.) When four indoor units are connected
Wired
remote
controller
3) Turn on the power to the indoor unit.
● By turning on the power indoor units initializes EEV, so make sure the piping air-tight test and
vacuuming have been conducted before turning on the power.
● Also check again to make sure no wiring mistakes were made before turning on the power.
Breaker ON
Rotary switch
(type A)
Check the position "0"
(Factory setting)
Indoor unit Indoor unit Indoor unit
0 1
RC AD RC AD RC AD
- (07 - 39) -
IU AD x10
IU AD x1
REF AD x10
REF AD x1
Indoor unit
2 3
RC AD
Indoor
units
Indoor
units