2-4.Address Setting - Mitsubishi Electric PUHY-RP-Y(S)JM-B Data Book

2. M-NET control
2-4. Address setting
2-4-1. Switch operation
In order to constitute CITY MULTI in a complete system, switch
operation for setting the unit address No. and connection No. is
required.
À Address No. of outdoor unit, indoor unit and 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.)
Á Caution for switch operations
¥ Be sure to shut off power source before switch setting. If operated with power source on, switch can
not operate properly.
¥ No units with identical unit address shall exist in one whole air conditioner system. If set erroneously,
the system can not operate.
 MA remote controller
¥ 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.
¥ The factory setting is Main .
PAR-21MAA
The MA remote controller does not have the switches listed above.
Refer to the installation manual for the function setting.
PAC-YT51CRB
Setting the dip switches
There are switches on the front of the remote controller. 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 all "ON".)
SW No SW contents Main
Remote
1
Main/Sub setting
Temperature display
2
units setting
Cooling/heating dis-
3
play in AUTO mode
ON OFF
controller
Main Sub
Celsius Fahrenheit
Yes No
SYSTEM DESIGN
Rotary switch
Branch
No. setting
Comment
Set one of the two remote controllers at one group to "Main"
When the temperature is displayed in [Fahrenheit], set to "No".
When you do not want to display "Cooling" and "Heating" in the
Auto mode, set to "No".
Unit address No. setting
209