Address Setting - Mitsubishi Electric PURY-WP-YJM-A 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.
Address No. of outdoor unit, indoor unit and remote controller.
The address No. is set at the address setting board.
In the case of a HYBRID CITY MULTI system, it is necessary to set
the same No. at the branch No. switch of indoor unit as that of the
HBC controller. (When connecting two or more branches, use the
lowest branch No.)
Caution for switch operations
¥ Be sure to shut off power source before setting switches. If operated with the power source on, the
switch may not operate properly.
¥ No unit with an identical unit address can exist in the same air conditioner system. If set erroneously,
the system will not operate.
 MA remote controller
¥ When connecting only one remote controller to one group, it becomes 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-YT52CRA
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, 2, and 3 and OFF for SW4.)
SW contents Main
SW No.
Remote controller
1
Main/Sub setting
Temperature display
2
units setting
Cooling/heating
3
display in AUTO mode
Indoor temperature
4
display
ON OFF
Set one of the two remote controllers at one
Main
Sub
group to "ON".
When the temperature is displayed in
Celsius Fahrenheit
[Fahrenheit], set to "OFF".
When you do not want to display "Cooling" and
Yes
No
"Heating" in the AUTO mode, set to "OFF".
When you want to display the indoor
Yes
No
temperature, set to "ON".
SYSTEM DESIGN
Rotary switch
Branch
Unit address No. setting
No. setting
Comment
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