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Greenheck Vektor Laboratory Exhaust with VGN Technology Electrical Controls Information (476072) User Manual

Page 22

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GREENHECK VGN

DIAGNOSTIC

INPUT

B1

XX.X

INPUT

ID1

XXXXX

OUTPUT

NO1

XXXXX

OUTPUT

Y2

XX.X

OUTPUT

Y4

XX.X

The following value ranges are specific to the Diagnostic menu screen. The menu
will tell the controls electrician who is troubleshooting the system what the status
is of each Input or Output of the controller.

Input B1 Value of B1 analog input of the controller (pressure transducer).

0 VDC to 10 VDC

Input ID1 Status of the ID1 digital input of the controller (fan status).

Open or Closed

Output NO1 Status of the NO1 digital output of the controller (alarm contact).

Open or Closed

Output Y2 Value of the Y2 analog output of the controller (nozzle actuator).

2 VDC to 10 VDC

Output Y4 Value of the Y4 analog output of the controller (BMS CFM scale).

0 VDC to 10 VDC

All of these points can be verified with a volt meter between the terminal point
specified and system common using either voltage or continuity settings on the
meter.

The values in this menu are not user-editable and are locked by the controller program.

Electrical Controls Information for Customer-Supplied Variable Frequency Drive

22

VGN Technology

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