OE-tronic REA-131B - Weather-Compensated Heating Controller

OE-tronic REA-131B Weather-Compensated Heating Controller

Intelligent control for optimal comfort and energy efficiency in your heating system.

Brand: OE-tronic | Model: REA-131B

Product Information

  • Brand: OE-tronic
  • Model/MPN: REA-131B
  • EAN/UPC: No barcode
  • Condition: New

Key Features & Benefits

Weather-Compensated Control

  • Feature: Automatically adjusts heating output based on outdoor temperature.
  • Benefit: Maximizes energy savings by preventing overheating and ensures consistent indoor comfort.
  • Technical: Utilizes an external temperature sensor (not included) to modulate flow temperature.

Programmable Time Schedules

  • Feature: Three independent, user-definable time programs.
  • Benefit: Tailor heating periods to your daily routine, reducing energy waste during unoccupied hours.
  • Technical: Allows setting specific day and night modes for different time blocks.

Intuitive User Interface

  • Feature: Three clear rotary knobs and an integrated LCD display.
  • Benefit: Simple and straightforward operation for setting temperatures and programs, even for non-technical users.
  • Technical: Dedicated knobs for day/night temperature offsets and timer program selection.

Temperature Offset Adjustment

  • Feature: Fine-tune day and night temperature setpoints by ±6°C.
  • Benefit: Achieve precise comfort levels and optimize energy consumption according to personal preference.
  • Technical: Direct adjustment of target temperatures via dedicated rotary controls.

Clear LCD Display

  • Feature: Provides real-time feedback on operational status, time, and settings.
  • Benefit: Easy monitoring and verification of current heating parameters at a glance.
  • Technical: Monochrome display for essential information.

Robust & Compact Design

  • Feature: Durable black housing suitable for panel mounting.
  • Benefit: Ensures longevity and seamless integration into existing or new heating control panels.
  • Technical: Designed for reliability in typical HVAC environments.

Technical Authority Block

What This Is:

The OE-tronic REA-131B is a sophisticated electronic heating controller designed to manage central heating systems. It employs weather compensation logic to dynamically adjust the heating curve based on outdoor temperatures, ensuring optimal energy use and consistent indoor climate.

Who Uses This:

Primarily used by homeowners, small commercial property managers, and HVAC professionals. It's ideal for those seeking to upgrade or install a new heating control system that offers both energy efficiency and user-friendly programmability.

Why This Model:

The REA-131B stands out for its balance of essential features, intuitive interface, and reliable weather-compensated control. It offers a cost-effective solution for achieving significant energy savings and enhanced comfort without overly complex programming.

When to Deploy:

Best deployed in new heating system installations or as a replacement for older, less efficient controllers in existing residential or small commercial buildings. It's particularly beneficial in regions with fluctuating outdoor temperatures where weather compensation can yield substantial savings.

Where It Fits:

Compatible with most standard central heating systems, including radiator and underfloor heating setups. It integrates into control panels or can be wall-mounted, requiring connection to an outdoor sensor and heating circuit actuators.

How It Compares:

The REA-131B competes with entry-to-mid-range weather-compensated controllers. It offers a more direct, knob-based interface compared to some digital-only models, appealing to users who prefer tactile controls. Its association with OE-tronic/Siemens suggests a focus on reliability and functional design.

Detailed Specifications

Specification Detail
Product Type Heating Controller
Model REA-131B
Brand OE-tronic
Control Principle Weather-compensated
Operating Modes Automatic, Continuous Day, Continuous Night
Temperature Adjustment Day/Night offset ±6°C
Time Programs 3 adjustable programs
Display Type LCD (Liquid Crystal Display)
User Interface 3 Rotary Knobs, LCD
Mounting Panel / Wall Mount (typical)
Power Supply 230V AC (inferred, typical for European heating controls)

Certifications:

  • No specific certifications visible or readily available from web research, but likely meets relevant European safety and EMC standards (CE mark implied for sale in EU).

Applications Matrix

Typical Use Cases:

  • Residential Heating: Managing central heating in single-family homes and apartments.
  • Small Commercial Buildings: Controlling heating in offices, small shops, or workshops.
  • Underfloor Heating Systems: Providing stable and efficient temperature regulation.
  • Radiator Systems: Optimizing heat delivery to individual radiators.

Technical Requirements:

  • Requires an external outdoor temperature sensor for weather compensation functionality.
  • Integration with heating circuit pump and mixing valve actuators.
  • Professional installation recommended due to electrical connections.

Not Suitable For:

This controller is generally not designed for complex multi-zone HVAC systems requiring individual room temperature control or integration with building management systems (BMS) without additional modules. It's optimized for single-circuit heating control.

Technical Documentation Guide

Recommended Search Terms for Further Resources:

  • "OE-tronic REA-131B manual PDF"
  • "REA-131B wiring diagram"
  • "OE-tronic heating controller troubleshooting"
  • "Weather compensated heating control principles"

Reference Standards:

  • Likely complies with European standards for electronic control equipment (e.g., EN 60730 for automatic electrical controls).

Integration Guides:

For detailed wiring and installation, consult the official OE-tronic REA-131B installation manual. It will provide specific schematics for connecting power, sensors, and actuators to the unit's terminal blocks.