Daikin DCM601A51 Technical Data Manual page 62

Adaptor
(4) When operating with dual momentary inputs from A and B (Use a momentary input of 200 msec or longer.)
Position
7 Remote Control Rejection
8 Central Priority
Stop by Remote controller
9
Acceptable
Remote controller acceptance /
A
rejection
B Last command Priority
Note:
Doing constant input A with position 7-A, it will be forced OFF function (input A is ignored).
Constant input cannot use for input B with position B.
58
Operation or
Function
not of indoor
unit
ON
ON
ON
Permit
ON
1.1 Wiring Adaptor for Electrical Appendices (1) <KRP2A61 / KRP2A62 / KRP2A53>
Input A ON
Operation or
From Remote controller not of indoor
unit
Rejection
Acceptable
Only Stop acceptable
Acceptable
Acceptable
ED721208
Input B ON
From Remote controller
OFF Rejection
OFF Acceptable
C: 1PA63642C