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Table 50. Lennox Proprietary Objects - Economizer (Object ID: 131)
Property Property ID Data type and range Access Description
Object_Identifier 75 Integer (0-4194302) Read Only
Numeric code that identifies the object (unique within
Lennox BACnet Device).
Object_Name 77
character string of 1 character (min.)
to 32 characters (max.)
Read Only
Identifies the Object and is unique within the BACnet
Device.
Object_Type 79
131
(OBJECT_LNX_ECONOMIZER)
Read Only Indicates membership in a particular object type class.
Out_Of_Service 81 TRUE or FALSE Read Only Indicates whether the economizer is in service or not.
Lennox_Object_
Installed
513 TRUE or FALSE Read Only
Indicates whether the economizer is installed or not.
Unless the value of this property is TRUE, all other
properties of the economizer object instance are inval
id.
Lennox_Object_
Running
514 Integer (0 - 100) Read Only
Indicates that the economizer is not running if the
value is zero and that the economizer is running if a
value greater than zero (range: 0, 100 or possible val
ues).
Lennox_Object_
Run_Time
515 Integer (0 - 4294967295) minutes Read Only
Indicates the time the economizer has been running.
Internally, the time that the economizer has been run
ning is stored into EEPROM once every hour. There
fore, in the event power turns off, the value returned
when power turns back on will be the last stored
value. This can result in a loss of run-time value up to
an hour for each power cycle event.
Lennox_Object_
Cycle_Count
517 Integer (0 - 4294967295) cycles Read Only
Indicates the number of cycles the economizer has
been running.
Lennox_Object_Error 518 Integer (0 - 255) Read Only
Reports any error code the compressor may have
encountered. A value of 0 means no error while any
non-zero value represent an error.
Table 51. Lennox Proprietary Objects - Discharge Air (Object ID: 133)
Property Property ID Data type and range Access Description
Object_Identifier 75 Integer (0-4194302) Read Only
Numeric code that identifies the object (unique within
Lennox BACnet Device)
Object_Name 77
Character string of 1 character (min.)
to 32 characters (max.)
Read Only
Identifies the Object and is unique within the BACnet
Device.
Object_Type 79
133
(OBJECT_LNX_DISCHARGE_AIR)
Read Only Indicates membership in a particular object type class.
Object_Temperature 534
Real: Degrees Fahrenheit (-8.75 to
164.45)
Read Only Indicates the temperature of the discharge air.
Object_Duct_Static_
Pressure_Setpoint
535
Integer: Values are 0 - 5 (inches of
water column)
Read Only
Represents the Duct Static Pressure Setpoint of dis
charge air.
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