Fujitsu AB* A12GATH, Design & Technical Manual

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2-8. INDOOR UNIT (setting by UTY-RLR*)
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This procedure changes to the function settings used to control the indoor unit according to
the installation conditions. Incorrect settings can cause the indoor unit malfunction.
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After the power is turned on, perform the “FUNCTION SETTING” according to the
installation conditions using the remote controller.
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The settings may be selected between the following two: Function Number or Setting
Number.
„
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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.
„ „
PREPARATION
1) When multiple indoor units are connected to a single wired remote controller.
1-1) When setting of Remote controller address in "Automatic address setting"
0 0 0 0
Indoor unit Indoor unit Indoor unit Indoor unit
RC AD RC AD RC AD RC AD
Wired remote
controller
1-2) When setting of Remote controller address in "Manual address setting",
make sure to manually set up the remote controller address (RC AD) on the PCBs of
the indoor units and Wired remote controller. (Refer to 1-3.)
1 2 3 4
Indoor unit Indoor unit Indoor unit Indoor unit
5
RC AD
RC AD
RC AD RC AD RC AD
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
units Indoor
units
- (07-125) -
F
UN
C
TI
O
N
SE
T
TI
N
G
F
UN
C
TI
O
N
SE
T
TI
N
G