ThermoSense NRF Split AC Controller

A clever start to efficient cooling that helps decrease your energy costs.

MachineSens IoT® ThermoSense NRF Split AC controller is a high-tech, plug-and-play intelligent device that offers centralized monitoring and management of heating and cooling system in offices, homes, and apartments. It is designed to work with a wide range of Split AC units.

These IoT-enabled intelligent controllers, compatible with various vendors and designed for most HVAC systems, offer automated and centralized energy management for your property, contributing to a 15% to 20% reduction in energy expenditures.

Product Features

Plug-and-play installation

for easy setup

NRF communication

for secure and fast data transmission

Centralized monitoring and control

for efficient management through web app

Scheduling capability

for Energy optimization

Integratable with existing building management systems

(BMS)

Discrete Sensor Interface

for precise monitoring

ThermoSense NRF Split AC Controller

System Architecture

Our intelligent gateway gathers near real-time data from all wireless split AC controllers within its range.

It converts the raw data into a user-friendly JSON format and publishes it using the MQTT protocol.

This data can be transmitted to either a local or cloud MQTT broker through Ethernet, LTE (4G), or WIFI.

The individual Split AC units can be centrally controlled from MachineSens IoT Cloud Platform. The MachineSens IoT Cloud Platform enables: – 

  • Monitoring & Control: Wireless Split & Window AC IoT device enables remote monitoring and control of the AC equipment.
  • Data Analysis: IoT devices transmit this data to a cloud based central software system for real-time analysis and notifications.
  • Optimal Setpoints: The IoT solution (Hardware + Software) enables automated or centralized control of the AC units temperature to maintain comfort while minimizing energy consumption.
  • Reporting: The system can generate energy usage reports (virtual metering), helping users understand their consumption patterns and make informed decisions.
  • Programmed Schedules:
    • Scheduling – Desire schedules can be programmed in the cloud-based software platform for control & monitoring. The IoT system can respond to demand response signals, reducing energy usage during peak periods. Specific times for system operation, such as when the HVAC should start or stop, temperature setting can be enabled or restricted.
    • The AC units set points and operation can be optimized based on weather conditions.

Specifications

General

Power Input 5V DC (Micro USB)
Material ABS Plastic
Operating temperature -10 °C to +55 °C
Storage temperature -20 °C to +70 °C
Relative Humidity 10% to 90% (non-condensing)
Environment Indoor
IP Class IP20
Mounting Options Wall Mounted
Dimensions (HxWxD) 99mm x 99mm x 25 mm
Configuration Via PC software
Sensor Technology Infra-red
Compatibility All Split Units featuring independent control of both compressor and fan
Enclosure Type Network enclosure

Wireless Communication NRF

ProtocolEnhanced ShockBurst (ESB)
Frequency2.4 Ghz (ISM Band)
Transmit RangeUp to 100m
Operating Voltage3.3V
Current Consumption

Transmit Mode: Typically, around 115 mA

Receive Mode: Typically, around 45 mA

Power-Down Mode: Low power consumption when not in use

Output Power (PA)Adjustable (OdBm, -6dBm, -12dBm, -18dBm)
Receiver Sensitivity (LNA)Around -85 dBm in 2 Mbps mode. Sensitivity may vary based on the data rate and modulation settings
Data RatesSelectable data rates (e.g., 250 kbps, 1 Mbps, 2 Mbps)
InterfaceSPI (Serial Peripheral Interface) for communication with a microcontroller
ModulationGFSK (Gaussian Frequency Shift Keying) modulation
Data FormatJSON

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