Fujitsu INDOOR UNIT (Duct Type) AIR CONDITIONER, Installation Manual

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En-13
Remote
controller
DIP switch setting
(Indoor unit)
Standard
pair
Simultaneous
twin
Simultaneous
triple
Remote controller
setting
Refrigerant circuit
address setting
Out door
unit
Out door
unit Out door
unit
Indoor
unit Indoor
unit
Indoor
unit
Indoor
unit Indoor
unit Indoor
unit
Unit number
(Function number 02)
Setting value
Setting value
Primary/Secondary setting
(Function number 51)
Transmission cable, Power supply cable
Remote controller cable
Power supply cable
Bus wire
Make sure that the indoor unit with the unit number 00 is
connected to the outdoor unit using a transmission cable.
8.4.2. Dual remote controllers
• 2 separate remote controllers can be used to operate the indoor units.
• The timer and self-diagnosis functions cannot be used on the secondary units.
(1) Wiring method (indoor unit to remote controller)
Remote controller cable
Indoor unit
Remote controller
Secondary unit Primary unit
(2) Remote controller DIP switch 1 setting
Set the remote controller DIP switch 1 No. 2 according to the following table.
( Refer to "7.2. Setting the DIP switches.")
Number of remote
controllers
Primary unit Secondary unit
DIP SW 1 No. 2 DIP SW 1 No. 2
1 (Normal) OFF –
2 (Dual) OFF ON
8.4.3. Simultaneous multi-system operation ( 22,24 model )
By combining with an outdoor unit, 2 units for twin indoor units, can be switched ON/OFF •
simultaneously.
Wiring method (1)
Refer to 6.ELECTRICAL WIRING for wiring procedure and wiring method. •
The indoor unit is connected the outdoor unit using a transmission cable is “primary”. •
Connect the remote controller wire to the primary unit. •
Twin type
Outdoor
unit
Indoor
unit Indoor
unit
Remote
controller
[primary]
[secondary]
DIP switch setting (Indoor unit) (2)
Set the unit number of each indoor unit using the DIP switches on the indoor unit
circuit board. (See the following table and
fi gure.)
The DIP switches are normally set to make the unit number 00.
Indoor unit Unit number DIP SWITCH No.
1 2 3 4
1
00 OFF OFF OFF OFF
2
01 ON OFF OFF OFF
3
02 OFF ON OFF OFF
DIP switches
Example :
Unit number 02
ON
Circuit board in the control box of indoor unit.
NOTE:
Be sure to set the unit numbers sequentially.
Remote controller setting (3)
Turn on all of the indoor units. 1.
Therefore, continue with the setting procedure.
Set the primary and secondary settings. 2.
Set the indoor unit that is not connected to the outdoor unit using a transmission
cable as the “01” .
(The setting value is factory-set to “00”.)
Indoor unit Unit number Function Number Setting Value
①
00
51
00(primary)
②
01 01(secondary)
After completing the function settings, turn off all of the indoor units, and then turn 3.
them back on.
If error code 21, 22, 24 or 27 is displayed, there may be an incorrect setting. *
Perform the remote controller setting again.
Twin type
Remote
controller
DIP switch setting
(Indoor unit)
Remote controller
setting
Unit number
Unit number
Setting value
(Primary/secondary)
Out door
unit
Indoor
unit
[primary]
Indoor
unit
[secondary]
9. FRESH AIR INTAKE
(Processing before use)
When taking in fresh air, cut a slit shaped cabinet in the left side of the outer case with (1)
nippers.
Cut
Cut
Cabinet (iron plate)
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