En-13
8.4.2. Group control system
CAUTION
Group control cannot be used when using it by the fl exible multi type.
A number of indoor units can be operated at the same time using a single remote controller.
(1) Wiring method (indoor unit to remote controller)
1 2 3
1 2 3
1 2 3
1 2 3
1 2 3
Indoor
unit
1
Bus wire
Remote
controller cable
Remote controller
When earth (ground) wire is necessary
Indoor
unit
2
Indoor
unit
3
Indoor
unit
4
Set the R.C. address (DIP switch setting)
(2)
Set the R.C. address 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 R.C. address 00.
Indoor unit
R.C. address
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
④
03
ON
ON
OFF
OFF
⑤
04
OFF
OFF
ON
OFF
⑥
05
ON
OFF
ON
OFF
⑦
06
OFF
ON
ON
OFF
⑧
07
ON
ON
ON
OFF
⑨
08
OFF
OFF
OFF
ON
⑩
09
ON
OFF
OFF
ON
⑪
10
OFF
ON
OFF
ON
⑫
11
ON
ON
OFF
ON
⑬
12
OFF
OFF
ON
ON
⑭
13
ON
OFF
ON
ON
⑮
14
OFF
ON
ON
ON
⑯
15
ON
ON
ON
ON
NOTE
Be sure to set the R.C. address sequentially.
00
01
02
03
R.C address
(DIP switch setting)
Remote
controller
: Transmission cable, Power supply cable
: Power supply cable
: Bus wire
: Remote controller cable
Outdoor
unit
1
Indoor
unit
1
Indoor
unit
2
Indoor
unit
3
Indoor
unit
4
Outdoor
unit
2
Outdoor
unit
3
Outdoor
unit
4
Settings when simultaneous Multi is included
Set the refrigerant circuit address (Remote controller setting)
(3)
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.
2.
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
〜
15
01
〜
14
15
Set the “primary” and “secondary” settings. (Remote controller setting)
(4)
(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).
•
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
: Bus wire
: 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
8.4.3. 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 unit of remote
•
controller.
Wiring method (indoor unit to remote controller)
(1)
1 2 3
1 2 3
1 2 3
Indoor unit
Secondary unit
Primary unit
Remote controller cable
Remote
controller
Remote
controller
When earth (ground) wire
is necessary
Remote controller DIP switch 1 setting
(2)
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
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8/31/2012 10:43:33 AM
8/31/2012 10:43:33 AM
AMP Air Conditioning
www.ampair.co.uk | [email protected]
