Specifications
2. M-NET control
DATA U10
SYSTEM DESIGN 4 - 14
S.D. S
2-4. Address setting
Branch
No. setting
Unit address No. setting
Rotary switch
In order to constitute CITY MULTI in a complete system, switch
operation for setting the unit address No. and connection No. is
required.
Address No. of outdoor unit, indoor unit and ME remote controller.
The address No. is set at the address setting board.
In the case of R2 system, it is necessary to set the same No. at the
branch No. switch of indoor unit as that of the BC controller
connected. (When connecting two or more branches, use the lowest
branch No.)
Caution for switch operations
MA remote controller
Be sure to shut off power source before switch setting. If operated with power source on, switch can
not operate properly.
When connecting only one remote controller to one group, it is always the main remote controller.
When connecting two remote controllers to one group, set one remote controller as the main remote controller
and the other as the sub remote controller.
No units with identical unit address shall exist in one whole air conditioner system. If set erroneously,
the system can not operate.
2-4-1. Switch operation
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
The factory setting is Main .
Setting the dip switches
There are switches on the back of the top case. Remote controller Main/Sub and other function settings are performed
using these switches. Ordinarily, only change the Main/Sub setting of SW1.
(The factory settings are ON for SW1, 3, and 4 and OFF for SW2.)
SW No
1
2
4
SW contents Main
Remote controller
Main/Sub setting
Temperature display
units setting
Indoor temperature
display
ON
Main
Celsius
Yes
OFF
Sub
Fahrenheit
No
Comment
Set one of the two remote controllers at one group to “ON”.
When the temperature is displayed in [Fahrenheit], set to “OFF”.
When you do not want to display the indoor temperature,
set to “OFF”.
AUTO mode, set to “OFF”.
3
Cooling/heating
display in AUTO mode
Yes No
When you do not want to display “Cooling” and “Heating” in the
PAC-YT53CRAU