I-VU® RTU OPEN OPN-RTUM2 PRODUCT INTEGRATED CONTROLLERS
System Benefits
- Integrated Carrier airside linkage algorithm for plug and-play integration with the Carrier VVT® System
- Fully plug-and-play with the Carrier i-Vu Building Automation System
- Supports demand limiting for maximum energy savings
- Compatible with i-Vu Tenant Billing for tracking tenants’ after-hours energy usage
- Performance and utilization runtime data stored locally on the controller for system
Hardware Features
- Can be factory-installed on Carrier WeatherExpert®, WeatherMaster®, and WeatherMaker® packaged rooftop units
- Can be field-installed on constant volume rooftop units; wiring harnesses (sold separately), provide quick field installation
- Integrates easily into any BAS using BACnet, Modbus, LonWorks1, or N2 protocols
- On-board hardware clock, remote occupancy input, and support for Carrier communicating room sensors/thermistor sensors provide stand-alone operation
- Easy startup and configuration with i-Vu User Interfaces
Application Features
- Controls up to 2 stages of DX cooling (3 stages for 48/50 LC WeatherExpert®) to maintain space temperature setpoint
- Controls up to 2 stages of gas heat or combination of mechanical and electric heat to maintain space temperature setpoint (controls up to 4 stages of heat in heat pump mode)
- Integrated economizer2 and power exhaust control provide optimized free cooling in combination with mechanical cooling
- 2 fan speed control options provide maximum energy savings and comfort
- Built-in advanced control routines for zone level humidity control or zone level demand control ventilation (ASHRAE 62)
| BACNet Support | Advanced application controller (B-AAC), as defined in BACNet 135-2004 Annex L |
| Communication Ports | Network port: EIA-485 port for BACnet MS/TP, Modbus RTU, or N2 communications (protocol and baud rate are DIP switch selectable) Comm Option Port: For connecting a LON Option Card Local Access port: For system start-up and troubleshooting (115.2 kbps) Rnet port: For connecting Carrier communicating room sensors and Carrier’s touchscreen user interface |
| Inputs | 6 analog inputs: 4 analog inputs dedicated to Space Temperature, Setpoint Adjust, Supply Air Temperature and Outside Air Temperature. 2 others configurable for the following functions: Indoor Air Quality, Outdoor Air Quality, or Relative Humidity. AIs have 10 bit A/D resolution. 5 binary inputs: 1 dedicated to Safety Chain Feedback, 4 others configurable for the following functions: Compressor Safety, Fire Shutdown, Enthalpy Switch, Humidistat, Supply Fan Status, Filter Status, Remote Occupancy, IGC Override (gas only), and Door Contact |
| Outputs | 2 analog outputs: Economizer and Fan Speed (VFD). AOs have 10 bit D/A resolution 8 binary outputs: Supply Fan, Cool Stage 1, Cool Stage 2, Heat Stage 1, Heat Stage 2, Power Exhaust, Rev Valve/High Fan/Cool Stage 3, and Dehumidification. Relay contacts rated at 3A max @ 24VAC. |
| Protection | Incoming power and network connections are protected by non-replaceable internal solidstate polyswitches that reset themselves when the condition that causes a fault returns to normal. The power, network, input, and output connections are also protected against voltage transient and surge events.. |
| Real Time Clock | Battery-backed real time clock keeps track of time in event of power failure |
| Battery | 10-year Lithium CR2032 battery provides a minimum of 10,000 hours of trend data & time retention during power outages. |
| Status Indicators | LED status indicators for communications, run status, error, power, and all digital outputs. |
| Controller Addressing | Rotary DIP switches set BACnet MS/TP, Modbus, or N2 address of controller |
| Listed By | UL-873, FCC Part 15-Subpart B-Class A, CE EN50082-1997 |
| Environmental Operating Range | Operating & Storage: 40° to 158°F (4° to 70°C), 10-95% relative humidity, non-condensing |
| Power Requirements | 24VAC +/- 10%, 50-60Hz 20VA power consumption Single Class 2 source only, 100VA or less |
| Dimensions | Length: 6-1/2” (16.5 cm) Width: 6-1/2” (16.5 cm) Depth: 2-1/2” (6.35 cm) Weight: 0.74 lbs. (0.34 kg) |
Integrated controller for rooftop units capable of stand-alone operation or integrated with Carrier’s or any Building Automation System using BACnet®, Modbus® or Lonworks® protocol.
The RTU Open controller continuously monitors and regulates constant volume rooftop operation with reliability and precision. This advanced controller features a sophisticated, factory-engineered control program that provides optimum performance and energy efficiency. It also features plug-and-play connectivity to the Carrier i-Vu Building Automation System.
For added flexibility, the RTU Open controller is capable of stand-alone operation, or, it can be integrated with any other Building Automation System utilizing the BACnet, Modbus®, LonWorks®, or N2 protocols.
Offering I-VU® RTU OPEN OPN-RTUM2 PRODUCT INTEGRATED CONTROLLERS in:
VIRGINIA: Alexandria, Annandale, Arlington, Ashburn, Burke, Centreville, Chantilly, Crystal City, Dale City, Dulles, Fairfax, Falls Church, Fort Belvoir, Great Falls, Herndon, Leesburg, Lincoln, Lorton, Manassas, McLean, Oakton, Purcellville, Reston, Springfield, Stafford, Sterling, Vienna, Woodbridge.
MARYLAND: Annapolis, Aspen Hill, Beltsville, Bethesda, Chevy Chase, College Park, Gaithersburg, Hampstead, Hyattsville, Lanham, Laurel, Montgomery Village, Potomac, Rockville, Silver Spring, Takoma Park, Temple Hills, National Harbor, Cabin John, East Riverdale, Riverdale, Landover, Cheverly, Oxon Hill, Fort Washington, Indian head, Morningside.
WASHINGTON, DC
HVAC – Heating – Air Conditioning Repair Experts at Perryaire.