En-17
5.4. Simultaneous multi-system operation
CAUTION
• 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.
• 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 transmission cable is “primary”.
• Connect the remote controller wire to the primary unit.
■
Twin type ( 18 model only )
Outdoor
unit
Indoor
unit 1
Indoor
unit 2
Remote
controller
[Primary]
[Secondary]
■
Triple type ( 18 model only )
Outdoor
unit
Remote
controller
: Transmission cable, Power supply cable
: Power supply cable
: connection cable: Remote controller cable
Indoor
unit 1
[Primary]
Indoor
unit 2
[Secondary]
Indoor
unit 3
[Secondary]
(2) Set the R.C. address (DIP switch setting )
Set the R.C. address of each indoor unit using the DIP switches on the indoor unit
circuit board. (Refer to 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.
1234
1 00 OFF OFF OFF OFF
2 01 ON OFF OFF OFF
3 02 OFF ON OFF OFF
Y1 Y2
TO REMOTE CONTROL UNIT Ex IN
Y3 1 2
12 3
SW100
NOTES:
Be sure to set the R.C. address sequentially.
(3) Set the primary and secondary (Remote controller setting)
1. Turn on all of the indoor units.
2. 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
3. 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.
■
Twin type ( 18 model only )
R.C. address
Primary/Secondary setting
(DIP switch setting)
(Function number 51)
Outdoor
unit
Remote
controller
Indoor
unit 1
[Primary]
Indoor
unit 2
[Secondary]
■
Triple type ( 18 model only )
R.C. address
Primary/Secondary setting
(DIP switch setting)
(Function number 51)
Outdoor
unit
Remote
controller
: Transmission cable, Power supply cable
: Power supply cable
: Connection cable
: Remote controller cable
Indoor
unit 1
[Primary]
Indoor
unit 2
[Secondary]
Indoor
unit 3
[Secondary]
6. FUNCTION SETTING
6.1. Function details
■
Filter sign
Select appropriate intervals for displaying the fi lter sign on the indoor unit according to the
estimated amount of dust in the air of the room.
If the indication is not required, select “No indication” (03).
(♦... Factory setting)
Function
number
Setting
value
Setting description
11
00 Standard (400 hours)
01 Long interval (1000 hours)
02 Short interval (200 hours)
03 No indication ♦
■
Static pressure
Select appropriate static pressure according to the installation conditions.
(♦... Factory setting
)
Function
number
Setting
value
Setting description
26
00 0 Pa
01 10 Pa
02 20 Pa
03 30 Pa
04 40 Pa
05 50 Pa
06 60 Pa
07 70 Pa
08 80 Pa
09 90 Pa
31 ♦ 25 Pa [Standard]
Range of static pressure is different from 1 model to other.
Range of static pressure 0 to 90 Pa
9374342532_IM.indb 179374342532_IM.indb 17 2018/12/11 10:11:362018/12/11 10:11:36
To Next Page
Loading...
