Orion-system VCM-X/RNE Operator Interfaces Manuel d'utilisateur télécharger pdf (Page 61)

VAV/ZONE CONTROLLER PROGRAMMING

VCM-X / RNE Operator Interfaces Technical Guide

VAV/Zone Setpoint Screens

Setpoint Screen #6 - Damper Airﬂ ow Max &

Vent Min

XX Box Spts IDXXXX

Damper/Airflow Spt

Maximum..: XXX %

Vent Min.: XXX %

The VAV/Zone Controller will not allow the damper or airﬂ ow calcula-

tion to exceed the Maximum setpoint while it is allowing the damper to

modulate. During Vent mode when there is no heating or cooling demand,

the damper or airﬂ ow will maintain at least the Vent Min amount of

airﬂ ow into the zone for ventilation.

Description Minimum Default Maximum

Maximum 0% or 0 CFM 100% or

1000 CFM

100% or

30000 CFM

Vent Min 0% or 0 CFM 25% or

250 CFM

100% or

30000 CFM

Setpoint Screen #7 - Damper Airﬂ ow Cool/

Heat Minimum

XX Box Spts IDXXXX

Damper/Airflow Spt

Cool Min.: XXX %

Heat Min.: XXX %

During Supply Air Cooling Mode, if the space being served by this

damper is satisﬁ ed and has no cooling demand, the damper will close to

this Cool Min setting. This provides a minimum amount of airﬂ ow into

the space for ventilation, even if the space does not require additional

cooling. During Supply Air Heating Mode, if the space being served

by this damper is satisﬁ ed and has no heating demand, the damper will

close to this Heat Min setting. This provides a minimum amount of

airﬂ ow into the space for ventilation, even if the space does not require

additional heating.

Description Minimum Default Maximum

Cool Min 0% or

0 CFM

10% or

1000 CFM

100% or

30000 CFM

Heat Min 0% or

0 CFM

10% or

100 CFM

100% or

30000 CFM

Setpoint Screen #8 - Damper Airﬂ ow Night Min

and Fan On Min

XX Box Spts IDXXXX

Damper/Airflow Spt

Night Min.: XXX %

Fan On Min.: XXX %

The Night Min is the position the damper will move to when the sys-

tem is in Override Mode and this particular damper is not part of the

override group. This Night Min position only affects non-fan powered

boxes. The Fan On Min is the minimum damper or airﬂ ow setting used

to activate the parallel fan if installed. Pressure Independent = CFM.

Pressure Dependent = %.

Description Minimum Default Maximum

Night Min 0% or

0 CFM

0% or

0 CFM

100% or

9999 CFM

Fan On Min 0% or

0 CFM

25% or

250 CFM

100% or

9999 CFM

Setpoint Screen #9 - Damper Airﬂ ow Reheat Min

XX Box Spts IDXXXX

Damper/Airflow Spt

Reheat Min.: XXX %

The Reheat Min is the damper or airﬂ ow setting used during the Space

Reheat Mode of operation.

Description Minimum Default Maximum

Reheat Min 0% or

0 CFM

0% or

0 CFM

100% or

30000 CFM

Setpoint Screen #10 - Damper Airﬂ ow Fixed

Position

XX Box Spts IDXXXX

Damper/Airflow Spt

Fixed Pos: XXX %

Many times while troubleshooting a system, it is useful to have the zone

damper set to a speciﬁ c damper position or airﬂ ow setting. This setpoint

can be used to determine where the damper/airﬂ ow will remain when the

VAV/Zone Controller receives a Force to Fixed Position command.

Description Minimum Default Maximum

Fixed Pos 0% or

0 CFM

0% or

0 CFM

100% or

9999 CFM

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Orion-system VCM-X/RNE Operator Interfaces Manuel d'utilisateur Page 61

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