Function Settings - Hitachi Mr. SLIM PEA-M200LA Installationshandbuch

8. Electrical work
8.4.3. Setting
1) Setting the pair number switch
[Fig. 8-4-2]
SW1 SW2 SW5
J42 J41
CN90
A
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]
A CN90: Connector for remote controller wire connection
For pair number settings, the following 4 patters (A-D) are available.
Pair number Pair number on
setting pattern remote controller side
A 0
B 1
C 2
D 3~9
2. Setting example
(1) To use the units in the same room
[Fig. 8-4-3]
IC IC
CN90 CN90
A: 0 A: 1
A: 0 A: 1
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.
[Fig. 8-4-4]
IC IC
CN90 CN90
A: 0 A: 0
A: 0
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.
[Fig. 8-4-5]
IC IC
CN90 CN90
A: 0 A: 0
A: 0 A: 0
A Pair number
10
SWE
CNMF
Indoor controller circuit board side Point
where the daisy wire is disconnected
Not disconnected
J41 disconnected
J42 disconnected
J41 and J42 disconnected
IC IC
CN90 CN90
A: 2 A: 3
A: 2 A: 3
IC IC
CN90 CN90
A: 0 A: 0
(2) To use the units in different rooms
Assign the same pair number to the wireless remote controller as that of the
indoor unit. (Leave the setting as it is at purchase.)
2) Setting the Model No.
a Insert batteries.
b Press the SET button with something sharp at the end.
blinks and Model No. lighted.
MODEL SELECT
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.
MODEL SELECT
Indoor Unit Model
PEA

8.5. Function settings

8.5.1. For wired remote controller
a [Fig. 8-5-1]
Note: Maintenance password is required.
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.
<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.
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.
Model No.
026