Andover Controls Infinity User Manual

Smoke Control Programs
5-55 Infinity Smoke Control Guide
TOC
AHU2 (SCX920S)
The SCX920S named AHU2 is responsible for controlling the fans and
dampers in Air Handling Unit #2. AHU1 is used for floor2, floor3, and
floor4. Since AHU2 is used for HVAC and smoke control, it is a non-
dedicated controller.
Table 5-4 lists the programs that are used by the SCX920S for this
application.:
OVR_Check
Type:
Function
Description:
Checks the Outputs for an Override.
Code:
OverrideOn = Off
If Sfan Override then OverrideOn = On
If Rfan Override then OverrideOn = On
If OADmp Override then OverrideOn = On
If EADmp Override then OverrideOn = On
If RADmp Override then OverrideOn = On
Return
File Explanation:
This function turns ON the numeric OverrideON if any of the outputs
are overridden. The OverrideOn flag is used by the CX9200 to turn on
an Override Fault on the FSCS.
Table 5-4. AHU2 Files
NAME TYPE DESCRIPTION
OVR_Check Function Checks the Outputs for an Override.
AHU_Control Program Controls the state of the Air Handling Unit’s
Fans and Dampers.
HVAC Program Used to Simulate an HVAC program.
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Andover Controls Infinity Specifications

General

Brand	Andover Controls
Model	Infinity
Category	Controller
Language	English