Eberle Instat Plus 3 R Programmable Thermostat User Manual

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your Eberle Instat Plus 3 R programmable thermostat. Designed for efficient temperature control, this device offers user-friendly programming and advanced features to optimize your heating or cooling system. Please read this manual thoroughly before installation and use to ensure proper function and safety.

• Simple and Intuitive Operation: Designed for ease of use.
• Time and Mode Programming: Allows setting for summer/winter modes and specific time schedules.
• Self-Learning Heat Curve: Adapts to your environment for optimal performance.
• Clear Display: Large, readable digital display for easy monitoring.

2. Safety Information

Important: Electrical installation should only be performed by a qualified electrician. Incorrect installation can lead to electric shock, fire, or damage to the device. Always disconnect power at the main circuit breaker before performing any installation or maintenance.

• Ensure the power supply matches the thermostat's requirements (230 V).
• The device has an International Protection (IP) code of IP30, meaning it is protected against solid objects larger than 2.5mm but not against water. Avoid exposure to moisture.
• Do not open the thermostat casing unless instructed by a qualified professional.
• Keep out of reach of children.

3. Product Overview

The Eberle Instat Plus 3 R thermostat features a clear digital display and intuitive controls for managing your indoor climate.

Figure 3.1: Front View of Eberle Instat Plus 3 R Thermostat. This image shows the front view of the Eberle Instat Plus 3 R programmable thermostat. The display indicates '18:15' for time and '21.0 °C' for temperature. Days of the week (Mo Di Mi Do Fr Sa So) are visible at the top. Control buttons include '+' and '-' for temperature adjustment, and left/right arrow buttons for navigation. The 'MAN AUTO Tag' indicator is also visible. The thermostat measures approximately 18cm in width, 10cm in height, and 4cm in depth.

Key Components:

• Digital Display: Shows time, current temperature, set temperature, operating mode, and day of the week.
• '+' and '-' Buttons: Used for adjusting temperature set points and navigating menu options.
• Left and Right Arrow Buttons: Used for navigating through programming menus and settings.
• Mode Button (MAN/AUTO): Toggles between manual and automatic operating modes.
• IN STAT+ Indicator: Confirms the thermostat model.

4. Setup and Installation

The Eberle Instat Plus 3 R thermostat is designed for wall mounting and requires a 230 V mains power supply. Due to electrical connections, installation must be carried out by a qualified professional.

4.1 Mounting Location

• Choose an interior wall, away from direct sunlight, drafts, or heat sources (e.g., radiators, lamps).
• Mount at a height of approximately 1.5 meters (5 feet) from the floor for accurate temperature sensing.
• Ensure sufficient space around the thermostat for air circulation and ease of access.

4.2 Electrical Connection

Warning: Disconnect power at the main circuit breaker before proceeding.

• The thermostat requires a 230 V AC power supply.
• Connect the live (L) and neutral (N) wires to the corresponding terminals on the thermostat.
• Connect the heating/cooling system control wires to the appropriate switching terminals (e.g., COM, NO, NC) as per the wiring diagram provided with the product packaging.
• Ensure all connections are secure and properly insulated.

After wiring, securely attach the thermostat to the wall plate and restore power. The display should illuminate.

5. Operating Instructions

The Instat Plus 3 R offers both manual and programmable operation modes.

5.1 Initial Setup (Time and Date)

• Upon first power-up or after a long power outage, the display may prompt you to set the current time and day.
• Use the arrow buttons to navigate and the '+' / '-' buttons to adjust values.
• Confirm settings as prompted by the display.

5.2 Operating Modes

• Automatic Mode (AUTO): The thermostat follows the programmed schedule for temperature changes throughout the day and week. Indicated by 'AUTO' on the display.
• Manual Mode (MAN): The thermostat maintains a constant temperature set by the user, overriding any programmed schedule. Indicated by 'MAN' on the display.
• Press the 'MAN AUTO' button to switch between these modes.

5.3 Adjusting Temperature

• In either MAN or AUTO mode, press the '+' or '-' buttons to temporarily adjust the temperature.
• In AUTO mode, this temporary adjustment will remain active until the next programmed temperature change.
• In MAN mode, the adjusted temperature will be maintained until manually changed again.

5.4 Programming Schedules

The Instat Plus 3 R allows for flexible programming with up to 6 temperature changes per day, 7 days a week.

• Enter programming mode by pressing and holding the appropriate button (refer to the specific icon on your thermostat, often a gear or clock symbol).
• Use the arrow buttons to select the day or period you wish to program.
• Use the '+' / '-' buttons to set the desired time and temperature for each programming segment.
• Confirm each setting to save it.
• The thermostat features a self-learning heat curve function, which optimizes heating times to reach the desired temperature at the programmed time. This function can be enabled or disabled in the settings.

5.5 Summer/Winter Mode

The thermostat may offer a seasonal switch to optimize operation for heating (winter) or cooling (summer) systems. Consult the on-screen menu or specific icons for this function.

6. Maintenance

The Eberle Instat Plus 3 R thermostat requires minimal maintenance.

• Cleaning: Wipe the exterior with a soft, dry cloth. Do not use abrasive cleaners, solvents, or chemical sprays, as these can damage the casing or display.
• Power Supply: As the device is mains-powered, there are no batteries to replace.
• Sensor: Ensure the temperature sensor (internal) is not obstructed by furniture or curtains for accurate readings.

7. Troubleshooting

If you encounter issues with your thermostat, refer to the following common problems and solutions:

If problems persist, contact a qualified technician or Eberle customer support.

8. Specifications

Technical details for the Eberle Instat Plus 3 R Programmable Thermostat (Model 053720141900).

9. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the documentation included with your purchase or visit the official Eberle website. Keep your proof of purchase for warranty claims.

Manufacturer: EBERLE

Contact: Refer to the manufacturer's official website for contact details and support resources.