UC722
VRF System Controller

UC722 brings multi-zone VRF systems into one unified control layer — enabling centralized management, intelligent automation, and real-time system visibility for modern commercial buildings.

  • FEATURES
  • MODELS

Comprehensive VRF Control & Intelligent Management

UC722 delivers centralized control across up to 4 independent VRF outdoor master units, enabling structured, scalable HVAC management from single-site deployments to complex multi-zone commercial buildings.

supports 4 independent vrf outdoor units
full air conditioning control
access control stable operation
advanced scheduling automation engine
group based control multi zone management
real time system diagnostics monitoring
long term runtime usage monitoring

Supports 4 Independent VRF Outdoor Master Units

UC722 supports up to 4 independent VRF outdoor master units, each capable of managing up to 160 indoor units, enabling scalable deployment from single-site to multi-zone commercial projects.

Full Air Conditioning Control

Supports complete VRF operation control, including On/Off, mode, temperature, fan speed and airflow adjustments.

Access Control for Stable Operation

Prevent accidental or unauthorized adjustments to maintain consistent HVAC operation and avoid energy waste.

Advanced Scheduling & Automation Engine

Enables flexible automation with up to 64 timers and combined operation rules for daily control scenarios.

Group-Based Control for Multi-Zone Management

Allows multiple indoor units to be controlled together across zones, floors, or building areas.

Real-Time System Diagnostics & Monitoring

Gain instant status into system health, fault conditions, and operational status for proactive maintenance.

Long-Term Runtime & Usage Monitoring

Track system runtime behavior to support operational planning, energy analysis, and cost optimization strategies.

Multi-Brand & Multi-Protocol Integration

Broad Brand Compatibility
Across Global VRF Systems

Unified Communication
Support

Open System
Integration Capability

Support and unify different VRF manufacturers into a single standardized control system without replacing existing infrastructure.

broad brand compatibility across global vrf systems

Support and unify different VRF manufacturers into a single standardized control system without replacing existing infrastructure.

multi protocol communication support

Enables connectivity with BMS platforms, cloud systems, and third-party applications through standardized interfaces and protocol access.

open system integration capability

Built for Easy Deployment & Maintenance

LCD Display & Physical Buttons for Direct Control and Visibility

The LCD screen shows key system information such as IP address, device status, and connected HVAC units. Physical buttons allow simple page navigation and parameter selection for on-site review and operation.

LED Status Indicators

Multi-indicator LEDs provide instant system status feedback, including power, system running state, network connectivity, errors, and device activity.

Engineered for Real HVAC Deployment Environments

Office
Hotel Room
Retail & Commercial Complex
Building Retrofit

VRF-Based Office HVAC Systems

Multi-zone VRF control

Integration with cloud platforms

Schedule-based temperature control (time-of-day / occupancy-driven)

Explore Complete Commercial HVAC System
vrf based office hvac systems

Hotel Room Climate Management

Room-level VRF indoor unit control

Integration with door status / occupancy sensors via Modbus RTU

Multi-zone Rrom environment control support

Explore Complete Commercial HVAC System
hotel room climate management

Retail & Commercial Complex HVAC Optimization

Multi-floor VRF coordination

Energy balancing via outdoor unit load control

Integration with cloud dashboards via MQTT bridge

Explore Complete Commercial HVAC System
retail commercial complex hvac optimization

Building Retrofit Projects

Works with existing Modbus HVAC infrastructure

No replacement of VRF hardware required

Enables legacy system digitalization via protocol gateway layer

Explore Complete Commercial HVAC System
building retrofit projects

Related Resources

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  • End User
  • Installer
  • Reseller
  • System Integrator
  • Distributor
  • Consultant
  • Managed Service Provider
  • Video Surveillance
  • Road Traffic
  • Parking
  • Smart Buildings
  • Smart Retail
  • Industrial Routers
  • Other IoT Solutions
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Specifications

AC Control
CompatibilityMainstream VRF/Central Air Conditioning Systems including Daikin, Mitsubishi Electric, Mitsubishi Heavy Industries, Hitachi, Toshiba, Panasonic, Samsung, LG, Fujitsu General, York (Qingdao, Guangzhou), Carrier, Trane, Bosch, McQuary, Hisense, Haier, Gree, TCL, Midea, AUX, Chigo, TICA, etc.
Air Conditioner Channels4 Outdoor Unit Channels, per Channel can add up to 160 Indoor Units
Control FunctionsPower On/Off, Mode, Temperature, Fan Speed, Airflow Direction, Lock/unlock, Schedule, Group Control
Communication
Ethernet Interface
Port2 × RJ45 10/100 Mbps
Property1 × WAN + 1 × LAN
Server TypeMQTT, TCP
ProtocolJSON, Modbus TCP, Modbus RTU over TCP
Serial Port
Port1 × RS485 for Communication
(Reserved: 2 × RS485 for Meter Connection)
Baud Rate1200bps to 19200bps
ProtocolModbus RTU
Others
DisplayLCD Screen
Screen Buttons4 × Screen Control Buttons
LED Indicator1 × PWR, 1 × RUN, 1 × NET, 1 × ERR
USB1 × Type-C for Console (Reserved)
Power Connector1 × DC Male Jack Connector (2.1 x 5.5 mm), 1 × 2-pin Screw Terminal
Software
ConfigurationWeb GUI
Advanced FeatureFUOTA
Physical Characteristics
Power Supply12-24 VDC by DC Jack Connector or Screw Terminal
Operating Temperature-20°C ~ 60°C
Relative Humidity0% to 90% (Non-condensing)
Ingress ProtectionIP20
Material & ColorABS (UL94 V2), Black
Weight280g
Dimension126 × 90 × 68 mm
Wire Connection>= 0.75 mm2
InstallationDIN Rail Mounting, Wall Screw Mounting
Approvals
RegulatoryCE, TELEC
EnvironmentalRoHS

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