Controlling The Vav Terminals - Andover Controls Infinity Manual

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Controlling the VAV Terminals

Flr2TCX (TCX840)
The TCX840 named Flr2TCX is responsible for controlling the VAV
terminal for floor2. Since Flr2TCX is used for HVAC and smoke
control, it is a non-dedicated controller.
Table 5-6 lists the programs that are used by the TCX840 for this
application.:
Table 5-6. Flr2TCX Files
NAME TYPE
VAV_Control Program
HVAC Program
VAV_Control
Type: Program
FlowType: Looping
AutoStart: True
Description: Controls the VAV damper on Floor2
Code:
VAVDamperControl:
If INFINITY1 FL2VAV.OVR.Opn then
VAVDmp = On
Else
If INFINITY1 FL2VAV.OVR.Cls then
VAVDmp = -On
Else
If INFINITY1 Zone2.EXH then
VAVDmp = -On 'Close VAV
Else
If INFINITY1 Zone2.PRS then
VAVDmp = On 'Open VAV
Else
If INFINITY1 Zone2.SMK then
VAVDmp = -On ' Exhaust Zone Close VAV
Else
If INFINITY1 Zone1.SMK or INFINITY1 Zone3.SMK ~
or INFINITY1 Zone4.SMK or INFINITY1 ~
STRWL.SMK then
VAVDmp = On ' pressurize Zone
5-64
Smoke Control Programs
DESCRIPTION
Controls the VAV damper on Floor2
Used to Simulate an HVAC program.
Infinity Smoke Control Guide
TOC