Regin Regio RC-C3DFOC Installation and Wiring Guide

Product Overview

The Regin Regio RC-C3DFOC is a thermostat designed for HVAC applications. It features a clear display, intuitive controls, and supports various communication protocols such as BACnet, Modbus, and EXOline.

Key Features:

• Temperature sensing
• CO2 sensing capabilities
• Presence detection
• Window contact integration
• EC fan control
• SCADA system compatibility

The device is compatible with a 24 V AC power supply, which can be single or three-phase.

Installation Instructions

General Safety: Ensure installation complies with local safety regulations.

Commissioning: Detailed information regarding the commissioning of the product can be found in the manual "Regio Midi Manual". This manual is available for download from the official Regin website: www.regincontrols.com.

Mounting and Wiring:

The thermostat unit has specific dimensions: 68mm width, 95mm height, and 28mm depth. The mounting plate features connection terminals labeled for various inputs and outputs.

Terminal Connections:

The unit includes terminals for:

• Analog Inputs (AI1, AI2)
• Digital Inputs (DI1, DI2/CI)
• Outputs (UO3, UO1, UO2)
• Power Supply (24 V AC)
• Communication Bus (G, G0, A, B)

Refer to the wiring diagrams for precise connections. Ensure correct polarity for power supply and communication lines.

Wiring Diagram Description:

The diagrams illustrate the connection of sensors such as temperature sensors, condensation detectors, and CO2 sensors. They also show the integration with an EC fan and connection to a SCADA system via Modbus or BACnet protocols.

Wiring Precautions:

A diagram shows a correct wiring setup (marked with 'OK') and an incorrect setup (marked with a cross symbol ❌). Incorrect wiring can lead to system malfunction or damage. Ensure that the 24 VAC power supply is correctly connected and protected by a fuse.

Installation Steps (Illustrative):

1. Opening the unit: The front cover is typically detached by releasing clips, often using a screwdriver.
2. Mounting the base: Secure the base plate to the wall at an approximate height of 1.6 meters.
3. Wiring connections: Connect the sensor and power wires to the appropriate terminals on the base plate.
4. Attaching the front cover: Snap the front cover back onto the mounted base plate.

Technical Specifications

The device operates on a 24 V AC power supply.

Dimensions:

• Width: 68 mm
• Height: 95 mm
• Depth: 28 mm

Compliance and Certifications

This product carries the CE mark, indicating compliance with European Union standards. For more information, please visit www.regincontrols.com.