Assortment / System Description

Room pressurization and fume hood control
Pressurized room, temperature control
21
A6V10866237_en--_b_08 203 | 275
Description Object Default value
Supply air VAV balancing state
▶ Indicates the state of progress of the
balancing process for this VAV box. It is
written by the controller in response to the
user-entered balance command. It persists
through a power cycle.
1:Initial
2:Balancing
3:Balanced
VavSuBalSta 1:Initial
Supply air VAV balancing mode
▶ Air flow value set by the air balancer person
to select the air flow setpoint value used when
the balancing state = balancing.
1:Maximum cooling
2:Maximum heating
3:Maximum ventilation
4:Minimum cooling
5:Minimum heating
6:Minimum ventilation
7:Smoke
VavSuBalMod 1:Maximum cooling
Supply air VAV duct area
▶ Duct cross-sectional area, user-entered or
calculated by controller using the duct shape,
dimension A and dimension B values.
0…1 [m
2
], 0.0…10.76 [ft
2
]
VavSuDuctArea 0.05 [m
2
]
0.54 [ft
2
]
Supply air VAV flow coefficient
▶ The value used to calibrate span of air flow
measurement. The value of calc flow
coefficient is written to this object upon the
Calibrate command.
VavSuFlCoef 0.780
Supply calibration