Panasonic S-M20PY3E Installation Instructions Manual page 60

Auto Address Setting* from the Remote Controller (CZ-RTC4)
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● Selecting each refrigerant system individually for auto address setting
● Auto address setting for each system : Item code "A1"
(1) Press the remote controller timer time
button at the same time.
(Press and hold for 4 seconds or longer.)
(2) Next, press either the temperature setting
(Check that the item code is "A1".)
(3) Use either the
perform auto address setting.
(4) Then press the
(Auto address setting for one refrigerant system begins.)
(When auto address setting for one system is completed,
the system returns to normal stopped status.)
<Approximately 10 minutes are required.>
(During auto address setting, "
the remote controller.
This message disappears when auto address setting is completed.)
(5) Repeat the same steps to perform auto address setting for each successive system.
button to set the system No. to
button.
button and
button.
/
" is displayed on
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(2)
(1) (4)
(4)
(3)