Wired Remote Controller (Uty-Rnk*) - Fujitsu AIRSTAGE J-III L AJ 072LELAH Series Design & Technical Manual

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1-4-2. WIRED REMOTE CONTROLLER (UTY-RNK*)

● Indoor unit addresses and refrigerant circuit addresses can be set up using wired remote controllers.

● This function allows setting the addresses of all indoor units to which a wired remote controller is being

● 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 cannot be used on the slave units.

● This device is not connectable to 3-wire type remote controller incompatible models.

As for the compatible models, refer to 5-1-3.

„ 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

● 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 wired 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

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.

Rotary switch

Check the position "0"

(Factory setting)

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