Multiple Remote Control; Simultaneous Multi-System Operation; Address; Indoor Unit R.c. Address - Fujitsu AUXG-KVLA Series Installation Manual

■ Settings when simultaneous Multi is included
(3) Remote controller setting
1. Turn on all of the indoor units.
* Turn on the indoor unit with the R.C. address "00" last.
(Within 1 minute)
2. Set the refrigerant circuit address.
Assign the same number to all of the indoor units connected to an outdoor unit.
(The unit is factory-set to "00")
Function number Setting value
02 00 to 15
3. Set the "Primary" and "Secondary" settings.
(Set the indoor unit that is connected to the outdoor unit using a connection cable
as the "Primary".)
Function number Setting value
00
51
01
4. After completing the function settings, turn off all of the indoor units, and then turn
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.

NOTES:

• When different indoor unit models are connected using the group control system, some
functions may no longer be available.
• If the group control system contains multiple units that are operated simultaneously, con-
nect and set the units as shown below.
• Auto-changeover operates under the same mode with model R.C. address "00".
• It should not be connected to any other Gr that is not of the same series (A**G only).
Standard Standard
pair pair
Outdoor Outdoor

unit 1

unit 2
Remote Indoor Indoor
controller
unit 1 unit 2
R.C. address
(DIP switch setting)
Refrigerant circuit
address setting
(Function number 02)
Primary/Secondary setting
(Function number 51)
: Transmission cable, Power supply cable
: Remote controller cable

6.2. Multiple remote control

Up to 2 remote controllers can be used to operate the indoor units.
Multiple installation method described above is prohibited to combine 3 Wired type
with 2 Wired Type.
I.U.
A
Master
A, B : Remote controller cable. (Refer to "2.5. Electrical requirement".)
A ≤ 500 m, A+B ≤ 500 m
• The timer and self-diagnosis functions cannot be used on the secondary units.
Setting description
Refrigerant circuit address
00 to 15
Setting description
Primary
Secondary
Simultaneous Simultaneous
twin triple
Outdoor Outdoor
unit 4
unit 3
Indoor Indoor Indoor Indoor
unit 3 unit 4 unit 5 unit 6
: Power supply cable
: Connection cable
CAUTION
I.U.
A B
Master Slave
(1) Wiring method (indoor unit to remote controller)
(2) Remote controller DIP switch 1 setting
Set the remote controller DIP switch 1 No. 2 according to the following table.
Primary unit
Secondary unit

6.3. Simultaneous multi-system operation

This possible only the wired remote controller (Option)
• When setting DIP switches, do not touch any other parts on the circuit board directly
with your bare hands.
• Be sure to turn off the main power.
• Ensure to use a 3-wire type wired remote controller. (Set the DIP switch to 3-wire type.)
• When using a simultaneous multi system, a WLAN adapter cannot be used.
Indoor
unit 7
• If connected to an indoor unit that supports R410A, an error message is displayed. Check
the machine type of the indoor unit to connect, and ensure to use an indoor unit support-
ing R32.
• By combining with an outdoor unit, 2 units for twin and 3 units for triple indoor units, can
be switched on/off simultaneously.
(1) Wiring method
• Refer to "3.6. Electrical wiring" for wiring procedure and wiring method.
• The indoor unit is connected the outdoor unit using a connection cable is "primary".
• Connect the remote controller wire to the primary unit.
■ Twin type (18, 22, 24 model only)
Remote
controller
■ Triple type (18 model only)
Remote
controller
: Connection cable, Power supply cable
: Remote controller cable

Indoor unit

Remote con-
troller cable
Secondary unit
Primary unit

Remote controller

DIP SW 1-No. 2
OFF
ON
CAUTION
Outdoor
unit
Indoor Indoor
unit 2
unit 1
[primary] [secondary]
Outdoor
unit
Indoor
Indoor
unit 2
unit 1
[primary] [secondary]
: Power supply cable
: Bus wire (Remote controller cable)
Indoor
unit 3
[secondary]
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