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Set the R.C. address in accordance with the table below.
R.C. address
1
0
OFF
1
ON
2
OFF
3
ON
4
OFF
5
ON
6
OFF
7
ON
8
OFF
9
ON
10
OFF
11
ON
12
OFF
13
ON
14
OFF
15
ON
NOTE
Be sure to set consecutive R.C. address.
The indoor units cannot be operated if a number is skipped.
Settings when simultaneous multi included.
(3) Set the refrigerant circuit address (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.)
Refrigerant circuit
address
(4) Set the "Primary" and "Secondary" settings. (Set the indoor unit that is connected to
the outdoor unit using a transmission cable as the "Primary".)
Primary
Secondary
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.
NOTE
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
pair
Outdoor
unit 1
Remote
Indoor
unit
controller
R.C.address
(DIP switch setting)
•
Refrigerant circuit address
(Function number 02)
•
Primary/Secondary
(Function number 51)
: Transmission cable, Power supply cable
: Remote controller cable
*
Make sure that the indoor unit with the R.C. address 0 is connected to the outdoor
unit using a transmission cable.
En-11
DIP switch
2
3
4
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
OFF
ON
OFF
OFF
ON
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
ON
OFF
OFF
ON
ON
OFF
ON
ON
OFF
ON
OFF
ON
ON
OFF
ON
ON
ON
ON
ON
ON
ON
ON
Function Number
Setting Value
02
00~15
Function Number
Setting Value
51
Simultaneous
Simultaneous
twin
triple
Outdoor
Outdoor
unit 2
unit 3
Indoor
Indoor
Indoor
Indoor
Indoor
unit
unit
unit
unit
unit
: Power supply cable
: Bus wire
111 21
Fan delay setting
This setting can be used when the auxiliary heater is mounted.
When the operation is stopped when the indoor unit is operating with an auxiliary heater,
the operation continues 1 minutes.
(1) Jumper wire setting (indoor unit)
This setting is made by cutting the jumper wires on the circuit board of the indoor
unit.
Jumper wire
JM 42
Connect
Disconnect
111 21
Dual remote controllers
•
Two separate remote controllers can be used to operate the indoor units.
00
•
The timer and self-diagnosis functions cannot be used on the slave units.
01
(1) Wiring method (indoor unit to remote controller)
When earth (ground)
wire is necessary
(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)
Secondary unit
121
OPTIONAL PARTS
Regulation of cable differs from each locality, refer in accordance with local rules.
121 11
External input and external output
Connection methods
• Wire modification
Use a tool to cut off the terminal on the end of the wire, and then remove the insulation
from the cut end of the wire.
Connect the wire with connecting wire with solder.
Important: Be sure to insulate the connection between the wires.
Invalidity (Factory setting)
Indoor unit
Remote controller cable
1 2 3
1 2 3
R W B
Primary unit
Remote controller
Primary unit
WARNING
Jumper wires
Control box
JM state
Validity
1 2 3
R W B
Secondary unit
DIP SW 1-No. 2
OFF
ON
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