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The OAC-5000-DI has a single-integrated duct insertion mount probe sensor but can handle up to two universal standoff probes. Compared to the OAC-4000, the OAC-5000 has an additional analog input and analog output. As a result, it can be used with analog CO2 sensors as well as approved BACnet MS/TP CO2 or occupancy counters. It also provides an airflow output signal if desired.
The OAC-5000 modulates a proportional damper actuator or variable speed fan (VFD or ECM with analog speed control input) to maintain the outdoor airflow rate when an external binary trigger is active (i.e., occupied mode). The binary trigger is typically provided by a thermostat or other analog or BACnet MS/TP binary output.
Outdoor Air Control (OAC) Modes Supported
FLOW: Maintains a user defined airflow setpoint
CO2: Maintains a user defined CO2 level by resetting the outdoor airflow setpoint (requires a CO2 sensor)
CO2/OAF: Maintains a calculated outdoor airflow setpoint based on the estimated ventilation zone population (requires a CO2 sensor)
COUNT: Maintains a calculated outdoor airflow setpoint based on the occupancy counter population (requires an occupancy counter)
FIXED: Maintains a fixed damper position (no control)
Unoccupied Air Control (UAC) Mode Option: Yes, maintains a user defined airflow setpoint
Notification Alarms
“Unoccupied Mode” High/Low Airflow Alarm
“Minimum Outdoor Airflow Mode” High/Low Airflow Alarm
“All Modes” CO2 Alarm (requires a CO2 sensor)
“All Modes” System Trouble Alarm
Note: Alarms can be assigned to the contact closure relay
Built-in RTC Scheduler Modes:
Off: No schedule set
Days: Allows a different occupied start time and duration for each day of the week
Weeks: Allows a different occupied start time and duration for weekdays and weekends
Display: 16-character alpha-numeric LCD
Navigation: 4-button interface
Type: Accepts GreenTrol IAT-DI, IAT-UI and IAT-US Thermal Dispersion Airflow and Temperature Measurement Probe (required unless an external MS/TP airflow measurement device is provided). See appropriate IFT product data sheet for probe information.
Available Configurations: IAT-DI Probes
Single Probe: 1 probe x 1 or 2 sensor nodes/probe
Available Configurations: IAT-UI and IAT-US Probes
Single Probe:Dual Probe: 2 probes x 1 sensor node/probe
Dual Probe: 2 probes x 1 sensor node/probe
BI
Type: Binary Input (BI1)
Assignment: Mode activation trigger signal
Configurable Ranges: 0-24VAC or 0-24VDC
Trigger Threshold
VAC configuration: 6.5 VAC
VDC configuration: 8 VDC
GP1
Type: Binary Input (BI1)
Assignment: Mode activation trigger signal
Configurable Ranges: 0-24VAC or 0-24VDC
GP2
Type: Analog Input (AI1)
Assignment (AI1): Analog output CO2 sensor
Configurable Ranges: 0-5V, 0-10V, 2-10V, or 4-20mA
MP1
Assignment: MP-Bus proportional actuator network signal (requires MP-bus cable, sold separately)
R1
Type: Dry contact w/ onboard jumper to drive a remote LED
Assignment: OAC alarms or Control Mode
Status: Normally Open (N.O.)
Rating: 30 VDC or 24 VAC @ 3 amp. max.
N1
Type: Non-isolated MS/TP BACnet master connection (provide an RS-485 network isolator if isolation is required)
B.A.S. Object Read/Write Access: Yes
Device Load: 1/8 load
Supported Baud Rates: 9.6, 19.2, 38.4 and 76.8 kbaud
MS/TP BACnet CO2 Sensor Capability: One GreenTrol Automation or approved third-party space mounted or return air CO2 sensor
MS/TP BACnet Occupancy Counter Capability: One to four GreenTrol Automation or approved third-party occupancy counterssensor
Environmental Limits
Temperature: -20 to 120 ⁰F [-28.9 to 48.9 ⁰C]
Humidity: 5 to 95%
Important: Provide a weather-proof enclosure if the controller module is mounted outdoors
Power Requirement: 24 VAC (22.8 to 26.4 under load) @8.5V-A
Dimensions: 4.34H x 6.59W x 1.83D in. [110.2 x 167.3 x 46.6 mm]
Airflow Measurement: Provides individual sensor node airflow rates to compatible GreenTrol transmitters and controllers
Temperature Measurement: Provides individual sensor node temperatures to compatible GreenTrol transmitters and controllers
Type: -DI Duct Insertion Thermal Dispersion Airflow and Temperature Measurement Probe
Available Configurations
4 inch [102 mm]: 1 probe x 1 sensor node
5 to 16 inch [127 to 406 mm]: 2 probe x 1 sensor nodes
Sensing Node Sensors
Self-heated sensor: Precision, hermetically sealed, bead-in-glass thermistor probe
Temperature sensor: Precision, hermetically sealed, bead-in-glass thermistor probe
Probe Tube
Material: Mill finish 6063 aluminum (optional: 316 SS)
Probe Mounting Brackets
Material: 304 stainless steel
Probe Length: 6, 8 or 16 in. [152.4, 203.2 or406.4 mm]
Sensing Node Housing
Material: Glass-filled Polypropylene
Sensor Potting Materials: Waterproof marine epoxy
Sensing Node Internal Wiring
Sensing Node Internal Wiring: Kynar® coated copper
Probe to Transmitter Cables
Material: FEP jacket, plenum rated CMP/FT6/CL2P, UL/cUL listed, -67 to 392 ⁰F [-55 to 200 ⁰C], UV tolerant
Standard Lengths: 10, 25 and 50 ft. [ 3.1, 7.6 and 15.2 m]
Connecting Plug: 0.60” [15.24 mm] nominal diameter
Airflow Measurement
Averaging Method: Independent, arithmetic average
Installed Accuracy: Better than ±4% of reading to NIST traceable airflow standards
Calibrated Range: 0 to 3,000 fpm [0 to 15.24 m/s]
Calibration Points: 7
Temperature Measurement
Averaging Method: Independent, velocity weighted
Accuracy: ±0.15⁰F [0.08 ⁰C]
Environmental Limits
Temperature: -20 to 160 ⁰F [-28.9 to 48.9 ⁰C]
Note: Temperature limits for operation may be limited by the transmitter or controller selected
Humidity: 0 to 100%
