Thermostat Fancoil
  1. Introduction
  2. Installation and commissioning
  3. Available data on Ewattch Cloud
  4. Use on Ewattch Cloud
  5. Technical specifications
  6. Hazards and warnings
  7. References
  8. Contact

1.Introduction #

Upgrade your fan coil units without major renovations

Fancoil

FANCOIL is a solution designed to replace conventional thermostats with a LoRaWAN controller connected to EwattchCloud. Settings, fan speeds, and monitoring are accessible remotely or via the local display.

Ideal for hotels, offices, and residential buildings, it provides immediate comfort and up to 30% energy savings through automation based on occupancy or schedules, while remaining compatible with most existing equipment.

Features
  • Centralized supervision

All zones are controlled and logged in EwattchCloud for efficient remote management.

  • Clear digital display

Setpoint temperature and operating mode are displayed on the e-ink screen, delivering a premium user experience.

  • Schedule- or occupancy-based control

Automatically adjusts heating and ventilation according to occupancy to maximize energy savings.

  • Advanced energy optimization

Reduces energy consumption by up to 30% thanks to configurable intelligent scenarios.

  • Secure LoRaWAN communication

Bidirectional Class C communication for fast, optimized, and reliable status feedback.

  • Simplified installation

Compatible with 2- and 4-pipe systems, multi-speed units; direct thermostat replacement with minimal wiring.

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2.Installation and commissioning #

Installation Steps
  1. Turn off the power supply to the existing thermostat and remove it without disconnecting the existing wires.
  2. Identify the appropriate wiring diagram according to the fan coil unit configuration (2- or 4-pipe system, multi-speed fan or ECM).
  3. Mount the backplate on the wall at approximately 1.5 meters above the floor, away from direct sunlight.
  4. Connect the wires according to the selected wiring diagram, ensuring that no stripped wire is exposed outside the terminals.
  5. Install the thermostat onto the mounting plate and tighten the safety screw located at the bottom of the device.

Configuration on Ewattch Cloud

Once installed, the thermostat can be integrated into the Ewattch Cloud platform via a compatible LoRaWAN gateway. This integration enables:

  • Real-time monitoring of temperature and humidity.
  • Creation of heating/cooling schedules.
  • Generation of customized reports.
  • Receipt of alerts in case of malfunction or predefined threshold exceedance.

To simplify adding your sensors to Ewattch Cloud, you can use the Scan to Cloud feature, an intuitive solution that streamlines provisioning in just a few clicks.

Access the full Scan to Cloud documentation:

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3.Available data on Ewattch Cloud #

Once the MClimate Fan Coil thermostat is integrated into the Ewattch Cloud platform, several data points are automatically transmitted and accessible for monitoring, analysis, and control. These data are classified into two categories: inputs (measured values or thermostat states) and outputs (modifiable values for control).

Available Inputs

Name Description
SETPOINT Temperature setpoint currently defined on the thermostat.
MODE Active operating mode: heating, cooling, ventilation only, etc.
STATUS Overall operating status of the thermostat (on/off, running, idle, etc.).
VALVE STATUS Status of the control valve (open/closed).
HUMIDITY Relative humidity level measured in the room.
TEMPERATURE Ambient temperature measured by the integrated sensor.
FAN SPEED Current fan speed (low, medium, high, or proportional in ECM mode).

These data enable real-time monitoring of thermal comfort and analysis of heating or cooling system behavior.

Available Outputs

Name Description
TARGET TEMPERATURE Target temperature that the user or automation system can set remotely.
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4.Use on Ewattch Cloud #

Supervision with room-by-room control

Live and historical data

Display duplication

Schedule-based control

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5.Technical specifications #

Technical Specifications
  • Dimensions: 105 × 115 × 23 mm
  • Weight: 242 g
  • Enclosure: PC/ABS, stainless steel, IP31
  • Connectivity: LoRaWAN 1.0.3
  • Wireless security: End-to-end LoRaWAN encryption (AES-CTR)
  • RF power: 25 mW (14 dBm)
  • Power supply: 110–230 VAC
  • Consumption: 50 mA max.
  • Mounting: Screws and wall plugs on an electrical box or wall; anti-theft bracket with security screw
  • Operating temperature: 0°C to +50°C
  • Operating humidity: 0% to 80% RH, non-condensing
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6.Hazards and warnings #

Failure to comply with the instructions in this manual shall not engage the manufacturer’s liability.
Any work on the product must be carried out by a qualified person.
Replacement of the product must be carried out by a qualified person.
The device must be used in accordance with the specifications in this documentation. Otherwise, a hazardous situation may occur.
No part of the device may be replaced or removed.
Disconnect all power supplies before working on this device.
Only accessories compliant with the specifications in this documentation must be used.

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7.References #

E-FANCOIL
  • Description: LoRaWAN-connected fan coil thermostat with intelligent control.

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8.Contact #

13, Rue Maurice Jeandon
88100 Saint-Dié des Vosges
FRANCE
sales@ewattch.com
+33(0)3.29.57.75.97
www.ewattch.com

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