Connecting The Central Remote Controller (Option); How To Operate Display Unit; Various Setting Methods - Fujitsu AOU45RLXFZ Installation Manual

6. 4. Connecting the Central remote controller (Option)

(1) When connecting the Central remote controller (Option), please use the outdoor unit
side knockout hole (Ø22.2 mm diameter).
• Please ensure that there are no gaps in the Knockout hole.
To Main PCB
knockout hole
(2) Fix the Connection cable with 2 cable ties with clip and 1 cable tie as shown in the
diagram below, and connect it to the prescribed terminal of the Main PCB.
• Fix the Central remote controller connection cable with Cable tie together with the
bundle of wiring.
Terminal block
(for Central remote controller)
Cable tie
(Accessory)
Cable tie with clip
[Small]
(Accessory)
En-13
Central remote controller
connection cable
Cable tie with clip
[Small]
(Accessory)
Central remote
controller
connection cable

7. HOW TO OPERATE DISPLAY UNIT

7. 1. Various setting methods

Never touch electrical components such as the terminal blocks or reactor except the
switch on the display board. It may cause a serious accident such as electric shock.
Once refrigerant charging is completed, be sure to open the valve prior to performing
the local settings. Otherwise, the compressor may fail.
Discharge any static electricity from your body before touching the push switches. Never
touch any terminal or pattern of any parts on the control board.
• The positions of the switches on the outdoor unit control board are shown in the fi gure
below.
7. 1. 1. Setting method
(1) Be sure to disconnect the power source or turn off the breaker.
(2) Change the DIP switch setting according to the required setting.
• Various settings can be adjusted by changing DIP switches and push switches on the
board of the outdoor unit.
• The printed characters for the LED display are shown below.
LED display part
( 1 ) ( 2 )
POWER ERROR
MODE
A
TEST RUN
S W 1
SET1-1
SET1
HEAT ON
COOL 1 2 3 4
DIP switch part
7. 1. 2. Description of display
LED display lamp
(1) POWER/MODE Green
(2) ERROR Red
A Red
B Red
C Red
(3) MONITOR
D Red
E Red
F Red
WARNING
CAUTION
POWER ERROR
MONITOR
MODE
A B C D E F
CHECK
TEST RUN
S W 1 S W 2
PUMP DOWN
SET1-1
SET1 SET2 SET3
HEAT ON ON ON
1 2 3 4 1 2 3 4 1 2 3 4
COOL
( 3 )
MONITOR
B C D E F
CHECK
S W 2
S W 1 S W 2
PUMP DOWN
SET2 SET3
ON ON
1 2 3 4 1 2 3 4
Function or operation method
• Turns on when the power supply is ON
(Including when error occurs).
• Indicate the MODE by the number of fl ashes
when the installation function is active.
• Flashes at high-speed when there is an error.
• Displays the location and contents of errors
when there is an error.
(Refer to 10. ERROR CODE for details.)
• Displays when check run is activated.
(Refer to 8. CHECK RUN for details.)