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

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