En-11
Set the R.C. address in accordance with the table below.
R.C. address
DIP switch
1
2
3
4
0
OFF
OFF
OFF
OFF
1
ON
OFF
OFF
OFF
2
OFF
ON
OFF
OFF
3
ON
ON
OFF
OFF
4
OFF
OFF
ON
OFF
5
ON
OFF
ON
OFF
6
OFF
ON
ON
OFF
7
ON
ON
ON
OFF
8
OFF
OFF
OFF
ON
9
ON
OFF
OFF
ON
10
OFF
ON
OFF
ON
11
ON
ON
OFF
ON
12
OFF
OFF
ON
ON
13
ON
OFF
ON
ON
14
OFF
ON
ON
ON
15
ON
ON
ON
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)
Turn on all of the indoor units.
1.
Turn on the indoor unit with the R.C. address 00 last. (Within 1 minute)
Set the refrigerant circuit address. (Assign the same number to all of the indoor
2.
units connected to an outdoor unit.)
Refrigerant circuit
address
Function Number
Setting Value
02
00~15
(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”.)
Function Number
Setting Value
Primary
51
00
Secondary
01
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).
Simultaneous
twin
Standard
pair
Remote
controller
Indoor
unit
Outdoor
unit
1
Outdoor
unit
2
Outdoor
unit
3
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
R.C.address
(DIP switch setting)
: Transmission cable, Power supply cable
: Remote controller cable
: Bus wire
: Power supply cable
•
Primary/Secondary
(Function number 51)
•
Refrigerant circuit address
(Function number 02)
Simultaneous
triple
Make sure that the indoor unit with the R.C. address 0 is connected to the outdoor
*
unit using a transmission cable.
Fan delay setting
11
1 21
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.
JM42
JM41
JM40
Control box
Jumper wires
Jumper wire
JM state
JM 42
Connect
Invalidity (Factory setting)
Disconnect
Validity
Dual remote controllers
11
1 21
Two separate remote controllers can be used to operate the indoor units.
•
The timer and self-diagnosis functions cannot be used on the slave units.
•
(1) Wiring method (indoor unit to remote controller)
1 2 3
1 2 3
1 2 3
Indoor unit
Remote controller cable
Remote controller
When earth (ground)
wire is necessary
Primary unit
R W B
R W B
Secondary 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)
DIP SW 1-No. 2
Primary unit
OFF
Secondary unit
ON
OPTIONAL PARTS
1
21
WARNING
Regulation of cable differs from each locality, refer in accordance with local rules.
External input and external output
1
21
1
1
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.
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