Fujitsu AIRSTAGE J-II Design & Technical Manual page 628

2-4. INDOOR UNIT (setting by UTY-RNK*)
This procedure changes to the function settings used to control the indoor unit according to
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„
the installation conditions. Incorrect settings can cause the indoor unit malfunction.
After the power is turned on, perform the "FUNCTION SETTING" according to the
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„
installation conditions using the remote controller.
The settings may be selected between the following two: Function Number or Setting
●
„
Number.
Settings will not be changed if invalid numbers or setting numbers are selected.
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„
This function cannot be used on the slave units.
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PREPARATION
„ „
1) 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
Wired
remote
controller
2) 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
Indoor unit Indoor unit Indoor unit
0 1
RC AD RC AD RC AD
- (07-102) -
Indoor unit
2 3
RC AD
Indoor
units
Indoor
units