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Mitsubishi Electric PURY-P72 Service Handbook page 139

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[ VII Control ]
(2) Address switch
Actual indoor unit address setting varies in different systems. Refer to the installation manual for the outdoor unit for details
on how to make the address setting.
Each address is set with a combination of the settings for the 10's digit and 1's digit.
(Example)
When setting the address to "3", set the 1's digit to 3, and the 10's digit to 0.
When setting the address to "25", set the 1's digit to 5, and the 10's digit to 2.
3. Function of the switch
(1) MA remote controller (PAR-20MAA)
The SW is located at the bottom of the remote controller under the cover. Operate the switches to perform the remote con-
troller main/sub setting or other function settings. Normally, do not change the settings of switches other than the SW1 (main/
sub switching switch). (All the switches are set to "ON" at factory setting.)
Switch
Function
1
Remote controller
main/sub setting
At power on of the
2
remote controller
Cooling/heating display
3
set by automatic setting
Suction temperature display
4
(discharge temperature display)
The MA remote controller (PAR-21MAA) does not have the switches listed above. Refer to the installation manual for the func-
tion setting.
HWE0803A
ON
1
2
3
4
Switching switch
Remote controller
ON
OFF
When two remote controllers are connected
Main
Sub
to one group, set either of the remote
controllers to "Sub".
When the program timer (only few stock
products are available) is connected, set to
Normal
Timer mode
"Timer mode startup" to resume the operation
startup
startup
with timer mode after power is restored.
When the automatic mode is set and the
Displayed
Not displayed
"Cooling"/"Heating" display is not necessary,
set to "Not displayed".
When the suction temperature (discharge
Displayed
Not displayed
temperature) display is not necessary,
set to "Not displayed".
- 130 -
Operation by switch settings
Switch setting timing
Before power on
Before power on
Before power on
Before power on
GB
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