10
8. Electrical work
8.4.3. Setting
1) Setting the pair number switch
[Fig. 8-4-2]
1. Setting method
Assign the same pair number to the wireless remote controller as that of the
indoor unit. If not doing so, the remote controller cannot be operated. Refer to the
installation manual that came with the wireless remote controller for how to set
pair numbers of wireless remote controllers.
Position of daisy wire on the controller circuit board on the indoor unit.
Controller circuit board on the indoor unit (reference)
[Fig. 8-4-2]
For pair number settings, the following 4 patters (A-D) are available.
2. Setting example
(1) To use the units in the same room
[Fig. 8-4-3]
[Fig. 8-4-4]
[Fig. 8-4-5]
(2) To use the units in different rooms
2) Setting the Model No.
8.5. Function settings
8.5.1. For wired remote controller
a
[Fig. 8-5-1]
Press Setting on the Main window, and select “Service” to set the maintenance
settings.
When the Service menu is selected, a window will appear asking for the password.
To enter the current maintenance password (4 numerical digits), move the cursor to
the digit you want to change with the [F1] or [F2] button, and set each number (0
through 9) with the [F3] or [F4] button. Then, press the [SELECT] button.
Note:
• The initial maintenance password is “9999.” Change the default password as
necessary to prevent unauthorized access. Have the password available for
relevant personnel.
• If you forget your maintenance password, you can initialize the password to
the default password “9999” by pressing and holding the [F1] button for ten
seconds on the maintenance password setting screen.
• Air conditioning units may need to be stopped to make certain settings.
There may be some settings that cannot be made when the system is
centrally controlled.
b
[Fig. 8-5-2]
• Select “Service” from the Main menu, and press the [SELECT] button.
• Select “Function setting” with the [F1] or [F2] button, and press the [SELECT]
button.
• Set the indoor unit refrigerant addresses and unit numbers with the [F1] through
[F4] buttons, and then press the [SELECT] button to confirm the current setting.
c
[Fig. 8-5-3]
• When data collection from the indoor units is completed, the current settings
appears highlighted. Non-highlighted items indicate that no function settings are
made. Screen appearance varies depending on the “Unit No.” setting.
A
CN90: Connector for remote controller wire connection
Pair number
setting pattern
Pair number on
remote controller side
Indoor controller circuit board side Point
where the daisy wire is disconnected
A
0
Not disconnected
B
1
J41 disconnected
C
2
J42 disconnected
D
3~9
J41 and J42 disconnected
A
Pair number
a
Separate setting
Assign a different pair number to each indoor unit to operate each indoor unit
by its own wireless remote controller.
A
Pair number
b
Single setting
Assign the same pair number to all the indoor units to operate all the indoor
units by a single wireless remote controller.
A
Pair number
SW1 SW2 SW5
J42 J41
CN90
CNMF
SWE
A
IC
IC
IC
IC
CN90
CN90
CN90
CN90
A
: 0
A
: 0
A
: 1
A
: 2
A
: 3
A
: 1
A
: 2
A
: 3
IC
IC
IC
IC
CN90
CN90
CN90
CN90
A
: 0
A
: 0
A
: 0
A
: 0
A
: 0
IC
CN90
IC
CN90
A
: 0
A
: 0
A
: 0
A
: 0
Assign the same pair number to the wireless remote controller as that of the
indoor unit. (Leave the setting as it is at purchase.)
a
Insert batteries.
b
Press the SET button with something sharp at the end.
blinks and Model No. lighted.
c
Press the temp
button to set the Model No.
d
Press the SET button with something sharp at the end.
and Model No. are lighted for three seconds, then turned off.
Indoor Unit Model
Model No.
PEA
026
Note: Maintenance password is required.
<Checking the Indoor unit No.>
When the [SELECT] button is pressed, the target indoor unit will start fan
operation. If the unit is common or when running all units, all indoor units for the
selected refrigerant address will start fan operation.
MODEL SELECT
MODEL SELECT
WT09638X02.book 10 ページ 2020年10月6日 火曜日 午後4時8分