AAON Orion ASM01819 User manual

E-BUS Digital Room Temperature Sensor
ASM01819 ALT-REF number OE217-02
Description
The Touch Screen E-BUS Digital Room Temperature Sensor is used to
sense Space Temperature only. The Space Temperature Sensor can be
used with the VCCX2, VCB-X, VAV/Zone, and various other AAON Unit
Controllers.
Additional Features
•User Friendly Graphical LCD Display with LED Backlight
•Display the Current Space and Outdoor Air Temperature
•Display the current Zone Setpoint Temperature
•Equipped with Push Buttons for Changing the Zone Setpoint
Temperature
•Equipped with an Override Button for Forcing the Unit Controller or
VAV/Zone Controller into Occupied Operation from Unoccupied
Operation
•Provides graphics to indicate the mode of operation
•Provides LEDs to indicate Schedule Override, Button Push, and
Alarms
The sensor connects to the controllers using E-BUS cables of multiple
lengths connected between the controller and the sensor. The E-BUS
cables should not run in conduit with other AC line voltage wiring or with
any conductors carrying highly inductive loads.
Mounting
The E-BUS Digital Room Temperature Sensor is designed to be mounted to a vertical, 2” x 4” electrical box recessed in
the wall. If the wall cannot be penetrated, a plastic surface mount box such as those made by WiremoldTM, may be used to
mount the sensor to the wall surface. The Sensor is mounted by removing the front cover and fastening the housing base
to the electrical box using the supplied (2) 6-32” x 1” machine screws. The E-BUS cable is then plugged into the E-BUS
connector located on the circuit board that is mounted on the cover. The cover is then placed onto the housing base and
the Allen Screw on the bottom of the base is adjusted to hold the cover in place.
Technical Data
E-BUS Digital Room Temperature Sensor
Sensor Element
Digital Sensing Device
Display
112 x 64 Monochrome Graphical LCD
w/LED Backlight
Sensor Reading Range
40F to 120F
Connection
E-BUS
Ambient Temperature Limits
-40F to 180F
Weight
3.2 oz.
Accuracy
Temp +/- .8F
One Year Warranty
AAON reserves the right to change specifications without notice

E-BUS Digital Room Temperature & Humidity Sensor
ASM01820 ALT-REF number OE217-03
Technical Data
E-BUS Digital Room Temperature
& Humidity Sensor
Sensor Element
Digital Sensing Device
Display
112 x 64 Monochrome Graphical LCD w/LED
Backlight
Sensor Reading
Range
40F to 120F
RH = 0-100%
Connection
E-BUS
Ambient Temperature
Limits
-40F to 180F
Weight
3.2 oz.
Accuracy
RH +/- 3%, Temp +/- .8F
One Year Warranty
AAON reserves the right to change specifications without notice
Mounting
The Digital Room Sensor is designed to be mounted to a vertical, 2” x 4” electrical box recessed in the wall. If the wall
cannot be penetrated, a plastic surface mount box such as those made by WiremoldTM, may be used to mount the sensor
to the wall surface. The Sensor is mounted by removing the front cover and fastening the housing base to the electrical
box using the supplied (2) 6-32” x 1” machine screws. The E-BUS cable is then plugged into the E-BUS connector
located on the circuit board that is mounted on the cover. The cover is then placed onto the housing base and the Allen
Screw on the bottom of the base is adjusted to hold the cover in place. An additional cover plate is provided in case the
sheet rock cut-out is too large to be covered by the regular back plate.
Description
The Touch Screen E-BUS Digital Room Sensor is a combination Space
Temperature & Space Humidity Sensor and can be used with the
VCCX2, VCB-X, and various other AAON Unit Controllers.
Additional Features
•User Friendly Graphical LCD Display with LED Backlight
•Displays the Current Space and Outdoor Air Temperature
•Displays the Current Space Humidity and Outdoor Air Relative
Humidity
•Displays the current Zone Setpoint Temperature
•Equipped with Push Buttons for Changing the Zone Setpoint
Temperature
•Equipped with an Override Button for Forcing the Unit Controller
into Occupied Operation from Unoccupied Operation
•Provides graphics to indicate the mode of operation
•Provides LEDs to indicate Schedule Override, Button Push, and
Alarms
The sensor connects to the controllers using E-BUS cables of multiple
lengths connected between the controller and the sensor. The E-BUS
cables should not run in conduit with other AC line voltage wiring or with
any conductors carrying highly inductive loads.
Mounting
Technical Data
E-BUS Digital Room Temperature Sensor
Sensor Element
Digital Sensing Device
Display
112 x 64 Monochrome Graphical LCD
w/LED Backlight
Sensor Reading Range
40F to 120F
RH = 0-100%
Connection
E-BUS
Ambient Temperature Limits
-40F to 180F
Weight
3.2 oz.
Accuracy
RH +/-3%, Temp +/- .8F
One Year Warranty
AAON reserves the right to change specifications without notice
The E-BUS Digital Room Temperature Sensor is designed to be
mounted to a vertical, 2” x 4” electrical box recessed in the wall. If the
wall cannot be penetrated, a plastic surface mount box such as those
made by WiremoldTM, may be used to mount the sensor to the wall
surface. The Sensor is mounted by removing the front cover and
fastening the housing base to the electrical box using the supplied (2) 6-
32” x 1” machine screws. The E-BUS cable is then plugged into the E-
BUS connector located on the circuit board that is mounted on the
cover. The cover is then placed onto the housing base and the Allen
Screw on the bottom of the base is adjusted to hold the cover in place.

E-BUS Digital Room Temperature & Humidity Sensor
(No LCD Display)
ASM02221 ALT-REF number OE217-04
Description
The E-BUS Digital Room Space & Humidity Sensor is used to
sense Space Temperature & Space Humidity. The E-BUS
Digital Room Sensor can be used with the VCCX2, VCB-X, or
various other AAON Unit Controllers.
The E-BUS Digital Room Sensor connects to the controller
using E-BUS cables of multiple lengths connected between the
controller and the sensor. The E-BUS cables should not run in
conduit with other AC line voltage wiring or with any conductors
carrying highly inductive loads.
Mounting
The E-BUS Digital Room Sensor is designed to be mounted to a
vertical, 2” x 4” electrical box recessed in the wall. If the wall
cannot be penetrated, a plastic surface mount box such as
those made by WiremoldTM, may be used to mount the sensor
to the wall surface. The Sensor is mounted by removing the
front cover and fastening the housing base to the electrical box
using the supplied (2) 6-32” x 1” machine screws. The E-BUS
cable is then plugged into the E-BUS connector located on the
circuit board that is mounted on the cover. The cover is then
placed onto the housing base and the Allen Screw on the
bottom of the base is adjusted to hold the cover in place.
Technical Data
E-BUS Digital Room Temperature &
Humidity Sensor (No LCD)
Sensor Element
Digital Sensing Device
Accuracy
RH +/- 3%, Temp +/- .8F
Sensor Reading
Range
40F to 120F
RH = 0-100%
Connection
E-BUS
Ambient Temperature
Limits
-40F to 180F
Weight
3.2 oz.
One Year Warranty
AAON reserves the right to change specifications without notice.
MICROCHIP
PIC24HJ
256GP206
4.55”
2.80
Front View Side View
Back View
0.69
1.00
1.81
1.87
0.49
Remote Thermistor
Sensor Connector
0.81
+12Vdc
GND
-COM
SHLD
Cover Set
Screw
E-BUS Cable
Connection

Standard Room Temperature Sensors
ASM02227, ASM01638, ASM01642, ASM01643
ALT-REF numbers OE210, OE211, OE212, OE213
Description
The patented design Standard Room Temperature Sensor provides
accurate sensing of the room temperature. Its design allows for flush
wall mounting yet rejects the influence of surface and internal wall
temperatures. The Standard Room Sensor is used with the Unit
Controller and VAV/Zone Controller. Wire terminals are provided on the
sensor for connection to the controller.
Sensors provided with the setpoint adjustment option can be
programmed to allow a temperature range adjustment of ± 6°F from
their standard setpoint. Sensors provided with the pushbutton override
option can be programmed to provide a timed override duration of up to
8.0 hours.
The Room Sensor’s off-white casing color makes it suitable for most
building decors. If interior decoration requires, the Room Sensor casing
can also be painted or wall-papered without affecting the sensor's
performance.
Room Sensors are available in 4 different configurations:
ASM02227 Sensor Plain
ASM01638 Sensor with Override
ASM01642 Sensor with Setpoint Adjustment
ASM01643 Sensor with Setpoint Adjustment and Override
Mounting
The Room Sensors are designed to be mounted on a vertical, 2” x 4” electrical box recessed in the wall. If the wall cannot be
penetrated, a plastic surface mount box such as those made by Wiremold, may be used to mount the sensor to the wall
surface.
Technical Data
Standard Room Sensor
Sensor Element
Type III Thermistor
10k ohm @ 77º F
Mounting
Designed to be Flush Mounted to Wall
using Vertical 2” x 4” Handy Box (by others)
Accuracy
0.4º F between 40º F to 95º F
Line Loss
0.25º F max. error, using 22 AWG wire at 1000 ft
Range
-30º F to 150º F
Weight
4 oz.
One Year Warranty
AAON reserves the right to change specifications without notice

Duct Temperature Sensors
G051240 & G051250 ALT-REF number OE230 & OE231
Description
The Duct Temperature Sensors are 10K Ohm Type III
Thermistor Sensors. The Sensors are used for sensing
Supply or Return Air Temperatures. The G051240
Temperature Sensor is 6” in length and the G051250
Temperature Sensor is 12” in length.
NOTE: Location of the Sensors is very important in order to
obtain accurate temperature readings.
The following recommendations should be followed:
Supply Air Temperature Sensor
When used as a Supply Air Sensor, the Sensor should be
mounted in the Supply Air Duct as close to the HVAC Unit
as possible for best results. For best accuracy, apply
insulation on the outside of the ductwork over the Sensor.
This will help thermal gradients from affecting the Sensor.
Return Air Temperature Sensor
When used as a Supply Air Sensor, the Sensor should be
mounted in the Return Air Duct as close to the HVAC Unit
as possible for best results. For best accuracy, apply
insulation on the outside of the ductwork over the Sensor.
This will help thermal gradients from affecting the Sensor.
Mounting
The Duct Temperature Sensor is designed to be mounted to the ductwork using the adhesive backed drill guide
mounting template to drill a 5/16” hole in the ductwork for the probe. Place the gasket over the ductwork and then attach
the mounting plate using the ¼” Hex Head Sheet Metal Screws (provided). Thread together the Duct Temperature’s
Probe to the mounting plate.
Technical Data
Duct Temperature Sensors
Sensor Element
Type III Thermistor 10K ohm
@ 77F
Operating Temperature Range
-10F to 200F
Accuracy
Temp +/- 1.26F between
40F and 90F
Weight
6” - 2.3 oz.
12” - 2.9 oz.
One Year Warranty
AAON reserves the right to change specifications without notice
Mounting Plate
Gasket
Adhesive Backed Drill Guide
Mounting Template
11-1/2"
5-1/2"
Mounting Plate
4.0"
3/4"
1/4" Hex Head Sheet Metal Screws
Duct Temperature Sensor

Outdoor Air Temperature Sensor
G042230 ALT-REF number OE250
Description
The Outdoor Air Temperature Sensor uses a 10K
Ohm Type III thermistor sensor. The sensor should be
mounted in the upright position as shown (Sensor Tube
pointing down) in an area that is protected from the
elements and direct sunlight. Be sure to make the
wiring splices inside of the Outdoor Air Temperature
Sensor weather-tight enclosure.
Mounting
Sensor must be located in an area where it will not be
affected by direct sunlight or heat producing equipment.
If possible, mount in a shaded area under the HVAC unit
rain hood or similar protected location. If Sensor is not
located as specified, erroneous Outdoor Air Temperature
readings will result.
CAUTION: Unused conduit opening(s) must have closure
plugs installed and must be coated with sealing compound
to provide a rain-tight seal. Gasket must be installed under
cover plate to provide rain tight seal. Water can damage
the sensor. Water Must Not Be Allowed To Stand In
Sensor Tube. Rain Water Will Damage Sensor.
Technical Data
Outdoor Air Temperature Sensor
Sensor Element
Type III Thermistor
10K Ohm @ 77F
Outdoor Temperature
Range
-40F to 180F
Accuracy
Temp +/- 1.26F between
40F and 90F
Weight
12.2 oz.
One Year Warranty
AAON reserves the right to change specifications without notice.

E-BUS Horizontal Outdoor Air Temperature & Humidity Sensor
ASM01836 ALT-REF number OE265-15
Description
The E-BUS Horizontal Outdoor Air
Temperature and Humidity Sensor is a
combination Outdoor Air Temperature and
Outdoor Air Humidity sensor that connects
to the VCCX2, VCB-X, or various other AAON
Unit Controllers using an EBC E-BUS modular
cable.
This sensor is used when both Outdoor Air
Temperature and Humidity are needed for the
Unit Controller to do Wetbulb or Dewpoint
Economizer Control. It is also used if the Unit
Controller is used in a Make Up Air application
to initiate dehumidification based on an
Outdoor Air Dewpoint Setpoint.
Mounting
A 10 foot EBC E-BUS cable (provided) plugs
into the E-BUS Outdoor Air Temperature and
Humidity Sensor's attached 3-foot cable and
then attaches to an E-BUS Expansion port on
the Unit Controller or into another available
E-BUS Expansion port. The sensor should be
mounted in the upright position as shown in an
area that is protected from the elements and
direct sunlight.
CAUTION: Be sure to mount the E-BUS Outdoor Air Temperature & Humidity Sensor in an area that is not exposed to
direct sunlight. The shaded area under the HVAC unit rain hood is normally a good location. Unused conduit opening(s)
must have closure plugs installed and must be coated with sealing compound to provide a rain-tight seal. Water can
damage the sensor.
Technical Data
E-BUS Horizontal Outdoor Air Temperature &
Humidity Sensor
Sensor Element
Digital Capacitive Sensing Device
Accuracy
RH +/- 3%, Temp +/- .8F
Sensor Reading Range
-40F to 185F
RH = 0-100%
Connection
E-BUS
Ambient Temperature
Limits
-40F to 185F
Weight
2.3 oz.
One Year Warranty
AAON reserves the right to change specifications without notice

E-BUS Vertical Outdoor Air Temperature & Humidity Sensor
ASM01838 ALT-REF number OE265-16
Description
The E-BUS Vertical Outdoor Air Temperature and
Humidity Sensor is a combination Outdoor Air
Temperature and Outdoor Air Humidity sensor that
connects to the VCCX2, VCB-X, or various other
AAON Unit Controllers using an EBC E-BUS
modular cable.
This sensor is used when both Outdoor Air
Temperature and Humidity are needed for the
Unit Controller to perform Wetbulb or Dewpoint
Economizer Control. It is also used if the Unit
Controller is used in a Make Up Air application to
initiate dehumidification based on an Outdoor Air
Dewpoint Setpoint.
Mounting
A 10 foot EBC E-BUS cable (provided) plugs into
the E-BUS Outdoor Air Temperature and Humidity
Sensor's attached 3-foot cable and then attaches to
an E-BUS Expansion port on the Unit Controller or
into another available E-BUS Expansion port. The
sensor should be mounted in the upright position as
shown in an area that is protected from the
elements and direct sunlight.
CAUTION: Be sure to mount the E-BUS Outdoor Air Temperature & Humidity Sensor in an area that is not exposed to
direct sunlight. The shaded area under the HVAC unit rain hood is normally a good location. Unused conduit opening(s)
must have closure plugs installed and must be coated with sealing compound to provide a rain-tight seal. Water can
damage the sensor.
Technical Data
E-BUS Vertical Outdoor Air Temperature & Humidity Sensor
Sensor Element
Digital Capacitive
Sensing Device
Accuracy
RH +/-3%, Temp +/- .8F
Sensor Reading
Range
-40F to 185F
RH = 0-100%
Connection
E-BUS
Ambient Temperature
Limits
-40F to 185F
Weight
2.3 oz.
One Year Warranty
AAON reserves the right to change specifications without notice

E-BUS Return Air Temperature & Humidity Sensor
ASM01840 ALT-REF number OE265-17
Technical Data
E-BUS Return Air Temperature & Humidity Sensor
Sensor Element
Digital Capacitive
Sensing Device
Accuracy
RH +/- 3%, Temp +/- .8F
Sensor Reading Range
-40F to 185F
RH = 0-100%
Connection
E-BUS
Ambient Temperature
Limits
-40F to 185F
Weight
2.3 oz.
One Year Warranty
AAON reserves the right to change specifications without notice
Description
The E-BUS Return Air Temperature and
Humidity Sensor is a combination Return
Air Temperature and Return Air Humidity
sensor that connects to the VCCX2,
VCB-X, and various other AAON Unit
Controllers using an EBC E-BUS modular
cable.
This sensor is used when both Return Air
Temperature and Return Air Humidity are
needed for the Unit Controller. The
Return Air Humidity Sensor can be used
to initiate dehumidification based on an
Indoor Humidity Setpoint.
Mounting
A 50 foot EBC E-BUS cable (provided)
plugs into the E-BUS Return Air
Temperature and Humidity Sensor's
attached 3-foot cable and then attaches
to an E-BUS Expansion port on the Unit
Controller or into another available E-
BUS Expansion port.

Suction Pressure Transducer
ASM02222 ALT-REF number OE275-01
Technical Data
Suction Pressure Transducer
Operating Pressure
Range
-0 to 250 PSI Gauge
Power Input
5 VDC
Operating Temp
-40F to 257F
Signal Output
Radio Metric 0.5 to 4.5 VDC
Wetted Parts
Construction
304L Stainless Steel
Electrical Cable
Connection
3 Pin Packard Metric Pack Connector
Sensor Construction
Haynes 214 Alloy Diaphragm
Electrical Cable Length
3 Feet
Pressure Fitting
Construction
304L Stainless Steel
Accuracy
0.25% of Full Scale
Pressure Fitting Size
1/4” SAE Female Schrader Fitting
Hysteresis
0.1% of Full Scale
Weight
2.3 Ounces
Non-repeatability
0.05% of Full Scale
Response Time
0.05% of Full Scale
One Year Warranty
AAON reserves the right to change specifications without notice
Description
The Suction Pressure Transducer is used to monitor the
suction line pressure of a DX coil when the HVAC unit is
equipped with a digital compressor. The Suction Pressure
Transducer is used in applications requiring tight control of the
suction pressure in order to maintain coil efficiency during
varying coil load conditions. The Suction Pressure Transducer
monitors the suction pressure at the coil and this information is
used to load/unload or stage compressors to maintain the
suction pressure at the DX coil within a predetermined optimum
operating range.
The Suction Pressure Transducer metal wetted parts are made
from stainless steel and Haynes 214 alloy. The Suction
Pressure Transducer is weather resistant. Connection to the
pressure source is accomplished by screwing the 1/4” SAE
female Schrader fitting on the Suction Pressure Transducer
onto a 1/4” Schrader male valve fitting (by others) that is
welded into the suction line. The Suction Line Transducer
provides a 0.5 to 4.5 VDC output in response to a 0 to 250
PSIG pressure. Transducer accuracy is 0.25% of the full
scale of the transducer.
For easy wiring the Suction Pressure Transducer has a 3 pin
Packard connector that connects to a 3 foot long prefabricated
cable. The cable is supplied with a 3 pin Packard Metripak 150
mating connector for attachment to the sensor on one end and
has 3 color coded stripped wires on the other end for
attachment to the digital compressor’s control board. The
stripped wire ends can be spliced to other wires to extend the
wiring length when required.

Suction Pressure Sensor Kit
with E-BUS Adapter Board
ASM01845 ALT-REF number OE275-03
Technical Data
Suction Pressure Sensor Kit with E-BUS Adapter Board
Operating Pressure
Range
-0 to 250 PSI Gauge
Power Input
5 VDC
Operating Temp
-40F to 257F
Signal Output
Radio Metric 0.5 to 4.5 VDC
Wetted Parts
Construction
304L Stainless Steel
Electrical Cable Connections
3 Pin Packard Metric Pack Connector
EBC E-BUS Connector
Sensor Construction
Haynes 214 Alloy Diaphragm
Electrical Cable Lengths
3 Feet
Pressure Fitting
Construction
304L Stainless Steel
Accuracy
0.25% of Full Scale
Pressure Fitting Size
1/4” SAE Female Schrader
Fitting
Hysteresis
0.1% of Full Scale
Weight
2.3 Ounces
Non-repeatability
0.05% of Full Scale
Response Time
0.05% of Full Scale
One Year Warranty
AAON reserves the right to change specifications without notice
Description
The Suction Pressure Sensor Kit with E-BUS Adapter is comprised
of the Suction Pressure Transducer, an E-BUS Adapter Board, and
a 3 foot EBC E-BUS cable. It is required for any VCB-X application
with DX Cooling that requires Dehumidification. The Suction
Pressure Transducer is used to measure suction pressure at the
HVAC unit’s DX evaporator coil suction line. This suction line
pressure is converted to saturated refrigerant temperature by the
VCB-X Controller. This temperature is used by the VCB-X
Controller to accurately control the compressors to provide
optimum performance from the system during Dehumidification
operation.
The Suction Pressure Transducer connects to the E-BUS Adapter
Board’s V, SIG, and GND terminals through a cable. The cable is
supplied with a 3-pin Packard mating connector for attachment to
the sensor on one end and has 3 color-coded stripped wires on the
other end. The stripped wire ends can be spliced to other wires to
extend the wiring length when required. The EBC E-BUS Cable
connects to one of (2) EBC ports on the other end of the E-BUS
Adapter Board. This cable must then connect to the VCB-X
Controller directly or to a VCB-X Expansion Board connected to the
VCB-X Controller.
The Suction Pressure Transducer’s metal wetted parts are made
from stainless steel and Haynes 214 alloy. The Suction Pressure
Transducer is weather resistant. Connection to the pressure source
is accomplished by screwing the 1/4” SAE female Schrader fitting
on the Suction Pressure Transducer onto a 1/4” Schrader male
valve fitting (by others) that is welded into the suction line. The
Suction Line Transducer provides a 0.5 to 4.5 VDC output in
response to a 0 to 250 PSIG pressure. Transducer accuracy is 
0.25% of the full scale of the transducer.

Wall-Mounted E-BUS CO2Sensor
ASM01829 ALT-REF number OE256-05
Technical Data
Wall-Mounted E-BUS CO2Sensor
Input Power
12-34 VDC
Power Consumption
30 mW Maximum Average
1.25 W Peak Power
Operating Temperature
14to 122F
Operating Humidity
0-95% RH Non-Condensing
Sample Method
Diffusion or Flow-Through
50-100 ml/min
Measurement Range
0 to 2000 ppm
Sensitivity
<20 ppm
Resolution
1 ppm
Accuracy
50 ppm @ 1000 ppm or 2%
measured value
Communications
E-BUS
One Year Warranty
AAON reserves the right to change specifications without notice
Description
The Wall Mounted E-BUS CO2Sensor is used in conjunction with
the VCCX2, VCB-X, and various other AAON Unit Controllers to
monitor and control CO2levels in the building environment.
Some typical applications are:
Demand Ventilation Control
Controlling ventilation in a building where the occupancy
varies frequently
Controlling ventilation based on CO2levels to ensure excess
outside air is not causing energy waste
To ensure good air distribution throughout building zones
The CO2 Sensor is used for monitoring duct CO2levels and is
designed for permanent mounting in the conditioned space. It
connects to the Unit Controller by using an E-BUS cable with
E-BUS connectors. It can be daisy chained with the ASM01819
E-BUS Digital Room Temperature Sensor for applications requiring
both a room CO2sensor and room temperature sensor.
The CO2 Sensor uses non-dispersive infrared (NDIR) technology
and has a measurement range of 0-2000 ppm. The CO2 Sensor’s
accuracy is 50 ppm @1000 ppm or 2% of the measured value and
has a measurement range of 0-2000 ppm.
Mounting
The OE256-05 CO2 Sensor utilizes a sub-base mounting plate with
either terminal blocks or E-BUS connection, providing for quick and
easy mounting and wiring. The wall-mounted sensor’s sub-base is
compatible with standard junction boxes. A locking screw secures
the assembly to the wall.
4.54
2.80
0.94

Duct-Mounted E-BUS CO2Sensor
ASM01831 ALT-REF number OE256-07
Technical Data
Duct-Mounted E-BUS CO2Sensor
Input Power
12-34 VDC
Power Consumption
30 mW Maximum Average
1.25 W Peak Power
Operating Temperature
14to 122F
Operating Humidity
0-95% RH Non-Condensing
Sample Method
Flow-Through
50-100 ml/min
Measurement Range
0 to 2000 ppm
Sensitivity
<20 ppm
Resolution
1 ppm
Accuracy
50 ppm @ 1000 ppm or 2%
measured value
Communications
E-BUS
One Year Warranty
AAON reserves the right to change specifications without notice
Description
The Duct Mounted E-BUS CO2Sensor with Remote Pickup is used
in conjunction with the VCCX2, VCB-X or various other AAON Unit
Controllers to monitor and control Return Air CO2levels in the
building environment.
Some typical applications are:
IAQ ventilation control in a building where the occupancy
varies frequently
Controlling ventilation based on CO2levels to ensure excess
outdoor air is not causing energy waste
To ensure good air distribution throughout building zones
The CO2 Sensor is used for monitoring duct CO2levels and is
designed for permanent mounting in the Return Air duct. It utilizes
an aspiration box to accurately capture CO2levels in the duct. It
connects to the Unit Controller by using an E-BUS cable with
E-BUS connectors.
The CO2 Sensor uses non-dispersive infrared (NDIR) technology
and has a measurement range of 0-2000 ppm.
Mounting
The CO2 Sensor is housed in an aspiration box. A conduit clamp is provided to help seal the opening where the sensor
cabling penetrates the aspiration box housing. The sensor has a Jack E-BUS connector for connecting it to the provided
EBC E-BUS cable. The EBC E-BUS Cable connects to the Unit Controller or E-BUS Hub or Adapter Board and then to
the VCCX2 or VCB-X Controller. The sensor and aspiration box assembly is mounted and secured to the ductwork with
the (2) supplied sheet metal screws. The remote pickup tube assembly is mounted separately to the ductwork by first
cutting a 11/4” diameter hole in the ductwork wall. The remote pickup tube is then inserted into the hole. The remote pickup
tube is then secured to the ductwork by inserting (2) supplied sheet metal screws through the (2) mounting holes in the
remote pickup tube mounting plate and securing the remote pickup tube assembly by screwing it to the ductwork using a
manual or powered screw driver to tighten the screws. Using the supplied 10 ft. long tubing, connect the remote pickup
tube to the aspiration box assembly, cutting the tubing to fit.

Duct Static Pressure Sensor
ASM01640 ALT-REF number OE271
Description
The Duct Static Pressure Sensor senses differential or gauge
(static) pressures and then converts this pressure difference
(differential) to a proportional electrical output that then
corresponds to 0 to 5 inches or WC pressure. The sensor can
be used in Duct Static Pressure sensor applications and VAV
Pressure Independent Airflow sensor applications.
Warning: The plastic housing on the sensor is electrically
conductive. Avoid contact with any electrical components.
It is acceptable to mount the sensor on grounded sheet
metal such as ductwork, electrical panels, etc.
Mounting
The Airflow Sensor should be mounted in a vertical position
as shown with tubing connections pointing down. If this
mounting position is not possible in your application, it may be
mounted in a horizontal position. When mounted in a
horizontal position, accuracy will be affected by approximately
2% full scale null shift due to diaphragm gravity effect error.
When the ASM01640 is used as a Duct Static Pressure
Sensor, the sensor should be located near the controller, with
the modular plug on the sensor directly connected to the
mating controller jack. Tubing must be run from the sensor to
the Static Pressure Pickup Tube. Tubing should not exceed
250 ft. and must be continuous without any splices.
When the ASM01640 is used as an Airflow Sensor for VAV
applications, it should be mounted in the VAV Box control
enclosure near the box controller board. The modular plug
should be connected to the VAV Controller Board connection.
Tubing must be run from the sensor to the Airflow Pickup
Probe tubing connection.
Technical Data
Duct Static Pressure Sensor
Operating Temperature
20F to 150F
Connection
24” Cable Leads with 4 position RJ22
Modular Plug
Accuracy RSS* (at constant temp)
±1.0% @ FS
Current
Consumption
5 mA
Weight
3 oz.
One Year Warranty
AAON reserves the right to change specifications without notice

Duct Static Pressure Pick Up Tube
ASM02242 ALT-REF number OE290
Description
The Duct Static Pressure Pickup Tube is
supplied with a 14” long FRP tubing for
connection to the Duct Static Pressure
Sensor. It also includes gasketed mounting
bracket and screws for securing to the
ductwork.
Mounting
The Static Pressure Sensor is designed to
be mounted Adjacent to the location where
the Static Pickup Tube Is mounted and
wired back to the controller board.
The Static Pressure Sensor can also be
mounted close to the controller board and
tubing (By Others) routed from the sensor
to the Static Pickup Probe. Be sure not to
kink the tubing between the Static Pickup
Probe and the Static Pressure Sensor.
In order to obtain accurate Static Pressure
readings, the Static Pressure Pickup Probe
should be mounted per the following
recommendations:
The probe should be mounted in a straight section of ductwork approximately 2/3 the length of the supply duct,
downstream of the HVAC unit.
The probe should not be mounted less than 3 duct diameters downstream or not less than 2 duct diameters
upstream of any elbow or takeoff.
NOTE: Tubing is not to exceed 250 feet in length. Do not splice tubing.
Technical Data
Duct Static Pressure Sensor Pick-Up Tube
Hose Barb Fitting
¼” O.D.
Tubing Dimensions
¼” O.D. x ¾” I.D. x 14” Long
One Year Warranty
AAON reserves the right to change specifications without notice

EBTRON®is a registered trademark of Ebtron, Inc., Loris, SC.
GreenTrolTM is a registered trademark of GreenTrol Automation, Inc. Loris, SC.
Paragon®is a registered trademark of Paragon Controls, Inc. Santa Rosa, CA.
E-BUS Adapter Board
ASM01878 ALT-REF number OE365-15-EBA
Description
The E-BUS Adapter Board is used to provide a
connection point for multiple E-BUS Sensors or
Modules.
The E-BUS Adapter Board is also used for
connecting an EBTRON®GTC116 or HTN104
Airflow Measurement Digital Transmitter, a
GreenTrolTM GA-200-N Transmitter Module with
GF Series Airflow Monitoring Station, or Paragon
MicroTransEQ series MODBUS RTU Transmitter
to the VCCX2, VCB-X, VCM-X E-BUS, or various
other AAON Unit Controllers.
You must wire the EBTRON®, GreenTrolTM, or
Paragon* Airflow Measurement Digital
Transmitter to this Adapter Board.
The E-BUS Adapter Board has (4) Modular E-
BUS ports, (3) HSSC E-BUS Connections, and (2) MSTP
E-BUS Connections.
Mounting
The E-BUS Adapter Board is provided with a plastic snap track modular mounting base. The snap track is
designed to be mounted with the provided sheet metal screws to a flat surface. There is (1) pre-punched
mounting slot provided. The other screw may be drilled into the snap track to prevent rotation. The E-BUS
Adapter Board is then snapped into place on the snap track to provide for easy field mounting and servicing.
Technical Data
E-BUS Adapter Board
Terminations
(4) EBC Connections
(2) MSTP E-BUS Connections
(3) HSSC Connections
One Year Warranty
AAON reserves the right to change specifications without notice

E-BUS Adapter Hub
ASM01635 ALT-REF number HZ-EBC-248
Technical Data
E-BUS Adapter Hub with 1.5 Ft. EBC Cable
EBC E-BUS Cable
Available Length and Part
Number
G029440 (1.5 Foot)
Current Rating of
Cable Wire
300 Vrms Min = 10.15 Ohms per 1000
feet @ 20 Deg Celsius, Nominal
Cable Type
Plenum-rated High Flex
Wire
Wire Colors
Red/Black First Pair; White/Blue
Second Pair
Wire Size
19 Strands of 32 Gage
Wire, 4 Conductor
UL Listing No.
CMP/CL3P/FPLP
Terminations
Hub - (4) EBC Connectors
Cable –2 EBC Connectors
Cable Sheath Color
White, Plenum Rated CL3P/CMP
One Year Warranty
AAON reserves the right to change specifications without notice
Description
The E-BUS Adapter Hub is comprised of the
Adapter Hub and a 1.5-Foot EBC Cable.
The E-BUS Adapter Hub is used to provide a
connection point for multiple E-BUS Sensors or
Modules. This E-BUS Adapter Hub has four
ports. One port is used to connect the Hub to an
E-BUS Expansion Port on VCCX2, VCB-X, and
various other AAON Unit Controllers using the
supplied EBC cable. This leaves three ports
available for E-BUS Sensors and other Modules.
The EBC Cable is a plenum-rated high flex cable
with EBC Connectors on each end of the cable
for connection between the Sensors, Modules,
and the VCCX2 or VCB-X Controller.

E-BUS Adapter Hub
G033970 ALT-REF number MS000248
Description
The E-BUS Adapter Hub is used to provide a
connection point for multiple E-BUS Sensors
or Modules. This E-BUS Adapter Hub has four
ports. One port is used to connect the Hub to
an E-BUS Expansion Port on the VCCX2,
VCB-X, various other AAON Unit Controllers,
Expansion Modules, and E-BUS Modules
using EBC E-BUS cables. This leaves three
ports available for E-BUS Sensors and other
Modules.
The EBC Cables are plenum-rated high flex
wire cables with an EBC Connector on each
end of the cable for connection between the
Sensors, Modules, and the Unit Controllers.
Technical Data
E-BUS Adapter Hub
Terminations
Hub - (4) EBC Connectors
One Year Warranty
AAON reserves the right to change specifications without notice

EBC E-BUS Cables
P/N: VARIES ALT-REF number EBC-XXF
Description
Technical Data
EBC E-BUS Cables
EBC E-BUS
Cable Available
Lengths and Part
Numbers
G029440 (1.5 Foot)
G012870 (3 Foot)
G029460 (10 Foot)
G045270 (25 Foot)
G029510 (50 Foot)
G029530 (75 Foot)
G029450 (100 Foot)
G029470 (150 Foot)
V36590 (250 Foot)
G018870 (1000 Foot)
Current Rating of
Cable Wire
300 Vrms Min = 10.15 Ohms per 1000
feet @ 20 Deg Celsius,
Nominal
Cable Type
Plenum-rated High Flex Wire
Wire Colors
Red/Black First Pair; White/Blue
Second Pair
Wire Size
19 Strands of 32 Gage Wire,
4 Conductor
UL Listing No.
CMP/CL3P/FPLP
Terminations
Cable –2 EBC Connectors
Cable Sheath Color
White, Plenum Rated CL3P/CMP
One Year Warranty
AAON reserves the right to change specifications without notice
The EBC E-BUS Cables are used to connect
power and communications between the VCCX2,
VCB-X, various other AAON Unit Controllers,
E-BUS Modules, and E-BUS Sensors.
The EBC E-BUS Cables are plenum-rated high
flex wire cables with an EBC Connector on each
end of the cable. The EBC E-BUS Cables are
available in 1.5, 3, 10, 25, 50, 75, 100, 150, and
250 foot lengths and additionally a 1000-foot-long
spool. These lengths should satisfy most job
requirements. For length requirements other than
those listed, the E-BUS Adapter Hub can be used
to connect EBC E-BUS Cables together to provide
for your specific-length requirements.
The plug-in design of the EBC E-BUS Cables
eliminates costly wiring errors and makes system
installation easy. The cable components are all UL
approved.

E-BUS Space Temperature/Humidity Sensor Emulator Board
ASM01696 ALT-REF number OE365-03-EBSE
Description
The EBSE E-BUS Space Temperature and Humidity Sensor
Emulator Board allows the use of separate 3rd party space
temperature and humidity sensors to emulate the E-BUS
combination Space Temperature and Humidity Sensor.
The E-BUS Emulator Board works with the VCCX2,
VCB-X, and various other AAON Unit Controllers.
The board provides E-BUS-out communication to these unit
controllers or to their attached E-BUS modules using the
supplied 1.5 foot EBC E-BUS cable.
Both the temperature and humidity sensors must be wired
into this Emulator Board. The Emulator Board converts the
analog signals to E-BUS.
The normal Space sensor override and slide adjust functions
are not available when using the Emulator Board.
The Emulator Board has 2 EBC E-BUS connectors, allowing it
to also act as an adapter board. One port can be used to
connect the Emulator Board to the controller. The other port
can be used to connect to another sensor or controller.
The E-BUS Sensor Emulator Board has 3 LEDs –COMM
LED to indicate sensor communication to the board,
POWER LED to indicate that the board is powered up, and
ALARM to indicate an alarm condition.
Technical Data
E-BUS Space Temperature & Humidity Sensor Emulator Board
Maximum Power Consumption
250 mA
Operating Temperature
-20ºF to 150ºF
Idle Current*
<5 mA
Humidity Sensor Input
Terminations
0-5 VDC
0-10 VDC
Transmit Current*
~100 mA
Temperature Sensor Input
Termination
10K Ohm Type III Thermistor
Module Weight without Cable
1.92 oz.
Output Terminations
(2) EBC E-BUS Connections
+5VDC
Module Weight with EBC-1.5F
Cable
2.64 oz.
*NOTE: Currents may vary depending on the attached sensing elements.
One Year Warranty
AAON reserves the right to change specifications without notice