Part
2. Functional Specifications
72
Design Guide
DCM014A51
Description:
Monitors the communication status of the outdoor unit.
Present_Value property:
ACTIVE
：
Outdoor unit communicating in error
INACTIVE
：
Outdoor unit communicating normally
Remarks:
(1) Even if the outdoor unit is communicating in error, the Reliability property will not
change to UNRELIABLE_OTHER, but will remain as NO_FAULT_DETECTED. Accordingly,
the Fault flag of the Status_Flags property will remain FALSE.
2. Operation Mode
Member number: 2
Object name:
Operation Mode
Object type:
Multistate Input
Description:
Monitors the operation mode of the outdoor unit.
Present_Value property:
1: Cooling
2: Heating
3: Fan
4: Simultaneous cooling and heating
3. Outdoor Unit Alarm Status
Member number: 3
Object name:
Outdoor Unit Alarm Status
Object type:
Binary Input
Description:
Monitors the normal / abnormal status of the outdoor unit.
Present_Value property:
ACTIVE
：
Abnormal
INACTIVE
：
Normal
Remarks:
(1) “Abnormal” means that the outdoor unit has stopped operating due to some trouble.
(2) The Description property is as follows:
Abnormal: Error code (2 or 5 characters)
Normal: “00”
4. Defrost Mode
Member number: 4
Object name:
Defrost Mode
Object type:
Binary Input
Description:
Monitors whether the outdoor unit is in defrost operation.
Present_Value property:
ACTIVE
：
The outdoor unit is in defrost operation.
INACTIVE
：
The outdoor unit is not in defrost operation.
