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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
“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
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
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
AO1
Assignment: Airflow control signal
Configurable Ranges: 0-5V, 0-10V, 2-10V, or 4-20mA
Maximum Number of Actuators Supported:
0-5V, 0-10V or 2-10 V: Unlimited
4-20mA: 2
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 counters sensor
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: -US Universal Standoff Mount Thermal Dispersion Airflow/Temperature Measurement robe
Available Configurations
Single: 1 probe x 1 sensor node
Dual: 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
Probe Mounting Brackets
Material: 304 stainless steel
Probe Length: 6, 8 or 16 in. [152.4, 203.2 or406.4 mm] (adjustable)
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%
