Vcm, vcm-x & vcb-x controllers, Vcb-x controllers, Vcb-x confi guration – Orion System OE392-10 System Manager TS User Manual

Page 38: Smts technical guide 38

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Zone

Zone

VCM, VCM-X & VCB-X Controllers

SMTS Technical Guide

38

VCB-X Controllers

Heating Type

Touch the radio button to select the desired Heating Type. Modulating
Heat is always initiated fi rst. Default is None.



None

—The unit has no Heat.

 

Staged Control

— On/Off Hot Water or fi xed stage(s) of

Heat.

 

Modulating Control

—Only fully modulating forms of

Heat which would be Modulating Hot Water, Modulating

Steam Heat or Modulating SCR Electric Heat. Does not

include Modulating Gas using the AAON

®

MODGAS-X

Controller.



Mod Gas Control

—Only Modulating Gas Heat controlled

by

the

AAON

®

MODGAS-X Controller.

 

Modulating and Staged Control

—Fully modulating

as the 1

st

form of Heat and Stage(s) of Heat as the 2

nd

form

of

Heat.

 

Mod Gas and Staged Control

—ModGas Heat as the 1

st

form of Heat and Stage(s) of Heat as the 2

nd

form of Heat.

See the VCB-X Controller Field Technical Guide for a more detailed
description of these operations.

NOTE:

If you are using a Heat Pump, this screen will not appear.

Aux Heating Type

If you are using a Heat Pump, touch the radio button to select the desired
Aux Heat option. Default is None.



None

—This unit does not have Heat Pump

Auxiliary

Heat.

 

Staged Control

— This unit has a stage(s) of Auxiliary

Heat. Multiple relays can be confi gured as Aux Heat in

which case the relays will stage up as required.

 

Modulating Control

—This unit has a form of modulating

heat being used as Auxiliary Heat. ModGas cannot be used

as the modulating heat source.

 

Mod Heat AND Staged Heat

—This unit has modulating

heat that will be used as the 1st form of Auxiliary Heat

followed by a stage(s) of Aux Heat.

NOTE:

If you are not using a Heat Pump, this screen will not appear.

Cooling Type

Touch the radio button to select the desired Cooling Type. If your HVAC
unit is equipped with a Digital Compressor, touch the radio button to
select Modulating Control or Modulating and Staged Control. Modulat-
ing Cooling is always initiated fi rst. Default is None.



None

—The unit has no Cooling.

 

Staged Control

— On/Off Chilled Water or fi xed stage(s)

DX Cooling only.

 

Modulating Control

— Modulating Chilled Water or

Digital Scroll Compressors.

 

Modulating and Staged Control

— Digital Scroll

Compressor(s) as the 1

st

form of Cooling and fi xed stage(s)

of Cooling as the 2

nd

form of Cooling.

Digital Compressor—

Touch this square if your HVAC unit is

using a Digital Compressor. Default is No.

Economizer Control

Touch the radio button to select type of Economizer Control. Default is
None. Touch the square button to allow Economizer Control in Unoc-
cupied Mode. Default is No Economizer Allowed in Unoccupied Mode.



None—

No Economizer being controlled directly by this

controller.

 

Economizer Only—

Economizer being controlled but no

CO

2

control.

 

Economizer with CO2 Reset—

Economizer controlled

but with the ability for CO

2

to reset the Minimum position.

Economizer Allowed in Unoccupied Mode—

Default is

NO.

This

confi guration option is available if Economizer

Control is confi gured.



YES—

You want to use the Economizer as necessary

during Unoccupied Night Setback cooling calls. It will

be utilized just as it would be in the Occupied mode

with the same outdoor enable temperature. The

Economizer will remain closed unless there is

a call to run while in the Unoccupied Mode.



NO—

You want the Economizer to always remain fully

Closed in the Unoccupied mode even if there is a call

to run from a zone or space temp.

Economizer Enable Source

This confi guration option is available if the unit was confi gured for
Economizer Control. Touch the radio button from the Economizer En-
able methods listed below that will allow the Economizer to be used as
the fi rst stage of cooling. Default is OA Drybulb.

 

OA Drybulb—

If the Outdoor Air Drybulb temperature is

below the enable setpoint, the Economizer can be used as

the

fi rst stage of cooling.

 

OA Wetbulb ( OA RH sensor needed)—

If the Outside

Air Wetbulb temperature is below the enable setpoint, the

Economizer can be used as the fi rst stage of cooling.

 

OA Dewpoint ( OA RH sensor needed)—

If the Outdoor

Air Dewpoint temperature is below the enable setpoint, the

Economizer can be used as the fi rst stage of cooling.

VCB-X Confi guration

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