Part
2. Functional Specifications
DCM014A51
Design Guide
67
2. Present_Value writing
The following table shows how the object will work depending on the combination of the
current value in Present_Value and value in the command.
Value in command
Current value
INACTIVE
ACTIVE
INACTIVE
Remains as-is
Changes to ACTIVE. However,
after 10 minutes, the object
becomes INACTIVE again to
match the indoor unit status.
ACTIVE
Changes to INACTIVE
(Clears the filter sign information)
Remains as-is.
3. Relinquish_Default property is fixed to "INACTIVE".
25. Indoor Fan Status
Member number: 25
Object name:
Indoor Fan Status
Object type:
Binary Input
Description:
Monitors whether or not the indoor unit fan is operating.
Present_Value property:
ACTIVE:
On
INACTIVE:
Off
26. Communication Status
Member number: 26
Object name:
Communication Status
Object type:
Binary Input
Description:
Monitors the communication status of the indoor unit.
Present_Value property:
ACTIVE:
Alarm
INACTIVE:
Normal
Notes:
1. When the indoor unit communication is in error, the Reliability property does not change
to UNRELIABLE_OTHER, and remains NO_FAULT_DETECTED. Therefore, the Fault flag of
the Status_Flags property also remains FALSE.
27. Thermo-on Status
Member number: 27
Object name:
Thermo-on Status
Object type:
Binary Input
Description:
Monitors whether or not the indoor unit is in thermo-on mode (i.e.,
requesting for cool or heat).
Present_Value property:
ACTIVE:
On (Thermo-on)
