Orion-system VCM-X/RNE Operator Interfaces Manuale Utente Scaricare il pdf (Pagina 68)

Zone

TROUBLESHOOTING

VCM-X / RNE Operator Interfaces Technical Guide

VCM-X / RNE / VAV/Zone Damper Force Modes

Damper Force Modes

Damper Force Modes are available for testing or balancing the system.

These Force Modes can be accessed and programmed from either the

System Manager or Modular Service Tool.

System Manager Instructions

To access the Damper Force Modes from the System Manager, press

<SETPOINTS>. You will then see the Unit ID Screen. Enter the unit

ID of the controller you wish to access and press <ENTER>. The fol-

lowing screen will appear:

1) Change Setpoint

2) Configure Unit

3) Dampers Force

ESC) Exit Menu

Press <3> on the keypad and then press <ENTER>. You will then see

the Unit ID Screen. Enter the unit ID of the controller you wish to access

and press <ENTER>. At this time the Passcode Screen will be displayed.

Enter your level 2 passcode. Press

<ENTER> and the Damper Force

Modes Screen will be displayed.

Modular Service Tool Instructions

When using the Modular Service Tool, simply press the <BALANCE -

TEST> key. You will then see the Unit ID Screen. Enter the unit ID of

the controller you wish to access and press <ENTER>. The following

screen will be displayed:

1) Outputs Force

2) Dampers Force

ESC) Exit Menu

Press <2> to access the Dampers Force Mode Screen.

Dampers Force Mode Screen

If the unit ID you entered is for a VCM-X or RNE Controller that has

VAV/Zone Controllers connected to its communication loop, the Damper

Force Mode will act as a “Global” Damper Force Mode. That is, all VAV/

Zone Controllers on that VCM-X or RNE Controller’s communication

loop will be forced to the same Damper Force Mode setting. If the unit

ID you entered is for a VAV/Zone Controller, the Damper Force Mode

setting will only apply to that VAV/Zone Controller.

Damper Force

Enter Force Mode: 0

0=Auto 1=Open 2=Clsd

3=Max 4=Min 5=Fixed

Set the appropriate Damper Force Mode by entering numbers 0 through

5. Following is a list of the force modes and their meaning:

0 = Auto This is the default setpoint. With this setting,

the damper will operate normally and modulate

according to the controller setpoints.

1 = Open This setting will force the dampers to their fully-

open position.

2 = Clsd This setting will force the damper to its fully-

closed position.

3 = Max This setting will force the damper to its

Maximum Position Setpoint. See VAV/Zone

Controller Setpoint Screen #5 on page 60 for

complete setpoint information.

4 = Min This setting will force the damper to its Minimum

Position Setpoint. See VAV/Zone Controller

Setpoint Screen #5 on page 60 for complete

setpoint information.

5 = Fixed This setting will force the damper to a ﬁ xed

position based on the Fixed Position Setpoint.

See VAV/Zone Controller Setpoint Screen #8

on page 61 for complete setpoint information.

CAUTION: The Damper Force Modes should only be used

by qualiﬁ ed service personnel. Serious damage to

the ductwork could result if the dampers are all

forced closed and the HVAC unit fan is operating.

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Orion-system VCM-X/RNE Operator Interfaces Manuale Utente Pagina 68

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