Orion-system VCM Manual de usuario descargar pdf (Pagina 20)

Technical Guide

Operator Interfaces

Programming The VCM Controller

Configuration Screen #22

VCM Cnfg ID 59

CO2 Sensor

Output Signal: 0

[0=None 1=mA 2=VDC]

The VCM needs to know what type of CO

sensor signal output is be-

ing provided. Enter a “2” for a 0-10 VDC CO

sensor signal (standard

sensor used). Enter a “1” for a 4-20 mA CO

sensor signal. Enter a ”0”

if no CO

sensor is used

Configuration Screen #23

VCM Cnfg ID 59

CO2 Sensor Maximum

Scale: 2000 PPM

Enter 0 If No Sensor

The VCM needs to know the CO

Sensor scaling for proper reading of

the CO

Sensor output. The Standard CO

Sensor should be scaled to

2000 PPM.

Configuration Screen #24

VCM Cnfg ID 59

Building Pressure

Mod Control: NO

[0=NO 1=YES]

Enter a “1” for “YES” if Modulating Building Pressure Control is needed.

Modulating Building Pressure Control is used for a VFD Exhaust Fan

or a Modulating Exhaust Fan Damper Actuator for Direct Acting Build-

ing Pressure Control. Modulating Building Pressure Control is also used

for a modulating outdoor air damper actuator for Reverse Acting Build-

ing Pressure Control. Enter a “0” for “NO” if Modulating Building Pres-

sure Control is not needed when using a Constant Volume Exhaust Fan

for On/Off Control.

Configuration Screen #25

VCM Cnfg ID 59

Building Pressure

Rev Acting: NO

[0=NO 1=YES]

Enter a “1” for “YES” if Reverse Acting Building Pressure control is

needed. Reverse Acting Building Pressure Control can either be On/

Off or Modulating Control. Modulating Control is normally used for

this configuration. On a drop in Building Pressure, below the Building

Static Pressure Setpoint, the Outdoor Air Damper will modulate open

to increase pressure.

Configuration Screen #26

VCM Cnfg ID 59

Building Pressure

Output Signal: 0

[0=0-10V 1=2-10V]

This Screen is used to configure the Building Pressure Output Signal

voltage needed for your application. You can select either a 0-10 VDC

signal (default) or enter a “1” to make the output signal 2-10 VDC as

required by the device you are using to control the pressure.

Configuration Screen #27

VCM Cnfg ID 59

ir To Air Heat Pump

Control: NO

[0=NO 1=YES]

Enter a “1” for “YES” if the HVAC unit is an Air to Air Heat Pump.

Configuration Screen #28

VCM Cnfg ID 59

Rev. Valve Active

During: Cool

[0=Heat 1=Cool]

Enter a “0” for “Heat” if your Air to Air Heat Pump unit activates its

Reversing Valve during Heating operation. Enter a “1” for “Cool” if

your Air to Air Heat Pump unit activates its Reversing Valve during

Cooling operation.

Configuration Screen #29

VCM Cnfg ID 59

Smoke Detector

Input: NO

[0=NO 1=YES]

The VCM needs to know if a Smoke Detector is connected to its binary

input. If the Smoke Detector input is active, the Supply Fan, Heating

and Cooling Relay Outputs will be disabled.

Configuration Screen #30

VCM Cnfg ID 59

Return Air Bypass

Control: NO

[0=NO 1=YES]

Enter a “1” for “YES” if your HVAC unit requires Return Air Bypass

Control.

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Orion-system VCM Manual de usuario Pagina 20

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