Part
2. Functional Specifications
64
Design Guide
DCM014A51
17. Airflow Direction
Member number: 17
Object name:
Airflow Direction
Object type:
Multistate Value
Description:
Monitors/configures the airflow direction for the indoor unit.
Present_Value property:
1 to 5: P0 to P4
8:
P7
Note:
1. The indoor unit has separate airflow direction settings for "cool mode" and "heat mode".
This object configures and reads the airflow direction for the current operation mode.
2. Relinquish_Default property is fixed to "1".
3. When airflow direction for an indoor unit is set to "Auto", the value of Present_Value is
"8".
4. When 6 or 7 are specified, the value is corrected to 5.
18. Timed Override Operation
Member number: 18
Object name:
Timed Override Operation
Object type:
Binary Value
Description:
Monitors the status of/configures Timer Extension for the indoor unit.
When the timed override function is enabled for an indoor unit group, the units are
turned off automatically when the preset timer has expired if the unit is turned on during
the unoccupied period.
Present_Value property:
ACTIVE:
Enable
INACTIVE:
Disable
Note:
1. Relinquish_Default property is fixed to "INACTIVE".
19. Current Unit Operation
Member number: 19
Object name:
Current Unit Operation
Object type:
Multistate Input
Description:
Monitors the indoor unit operating status against the indoor unit status
managed by the
iTM
as a result of the execution of a command on the indoor unit from
the
BACnet
, or setback control in the
iTM
.
Present_Value property:
1: Off
2: Normal
3: Override
4: Setback
Note:
1. Present_Value is set to "1" at
iTM
start-up.