Daitsu CDV-46 Manual page 27

5.2 COMMISSIONING
5.2.1 Set Master Indoor Unit
Under Off status, long press MODE button for 5s to set the corresponding
indoor unit of wired controller as master indoor unit. "MASTER" icon will be light
after finishing setting.
Note:
① There is a master indoor unit in a system, other slave indoor units can be set
as master unit, in which case, the original master unit will become a slave
unit.
② In one system, only one set of master indoor unit is allowed. If system detects
that there are several master units, it will designate the unit with the smallest
project number as a master unit.
5.2.2 Parameter Enquiry
Unit parameters can be checked in unit On or Off status.
(1) Long press "FUNCTION" button for 5s to enter the interface of viewing unit
parameters. "C00" is displayed in temperature zone and "CHECK" icon is light;
(2) Press " " or "
(3) Press "ENTER/CANCEL" button to return to last step until exits viewing
parameters.
The parameter enquiry list is as following:
" button to select parameter code;
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Wired Controller CDV-46