En-16
■
Settings when simultaneous Multi is 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.
(The unit is factory-set to “00”)
Refrigerant circuit address
Function
Number
Setting Value
00
02
00 to 15
01
〜
14
15
(4) Set the “primary” and “secondary” settings. (Remote controller setting)
(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.
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).
R.C. address
Standard
pair
Standard
pair
Simultaneous
twin
Simultaneous
triple
Refrigerant circuit
address setting
Primary/Secondary setting
(DIP switch setting)
(Function number 02)
(Function number 51)
Remote
controller
: Transmission cable, Power supply cable
: Power supply cable
: Connection cable
: Remote controller cable
Outdoor
unit 1
Outdoor
unit 2
Outdoor
unit 3
Outdoor
unit 4
Indoor
unit 1
Indoor
unit 2
Indoor
unit 3
Indoor
unit 4
Indoor
unit 5
Indoor
unit 6
Indoor
unit 7
5.2. Multiple remote control
Up to 2 remote controllers can be used to operate one indoor unit
CAUTION
Multiple installation method described above is prohibited to combine 3 Wired type
with 2 Wired Type.
A
I.U.
A
B
I.U.
Primary
Primary Secondary
A, B : Remote controller cable. (Refer to “2.4. Electrical requirement”)
A
≤
500 m, A+B
≤
500 m
• The timer and self-diagnosis functions cannot be used on the secondary units.
(1) Wiring method (indoor unit to remote controller)
Remote con-
troller 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.
DIP SW 1-No. 2
Primary unit
OFF
Secondary unit
ON
5.3. DIP switch 101 setting
If contained drain pump is not used, set the drainage function to “Disable” in the drainage
function switching.
The auto louver grille setting (optional parts) can be used when the it is mounted.
For the setting method, refer to “4.5. Auto louver grille (Optional parts)”.
The fan delay 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.
Change the following settings by using the DIP switch.
(
♦
... Factory setting)
DIP switch 101
DIP SW state
Details
ON
OFF
1
Disable
Enable
♦
Drainage function setting
2
Enable
Disable
♦
Auto louver grille setting
3
Enable
Disable
♦
Fan delay setting
●
Switching position
Y1
Y2
TO
REMOTE CONTROL
UNIT
Ex IN
Y3
1
2
12
3
DIP SW 101
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2018/12/11 10:11:36
2018/12/11 10:11:36