ESBE SERIES CRA210 Controller

Product Overview

The ESBE SERIES CRA210 is a controller designed for hydronic heating systems, offering precise temperature management and advanced features. This manual provides detailed instructions for installation, setup, and operation.

The controller is presented with multilingual instructions, including English, German, Swedish, Polish, Russian, Spanish, Italian, French, Croatian, Czech, and Greek.

Key Features:

• Temperature control
• Advanced settings
• Alternative temperature activation

Note: This document is a conversion of the original PDF manual.

Assembly

Diagram Description: The controller unit is shown with its accessories.

Steps:

• Mount the actuator unit on the valve according to user instruction 1.
• Mount the flow temperature sensor on the pipe using the supplied aluminium tape.

Start Up

Diagram Description: Illustrates the process of setting the controller's working direction and connecting power.

Steps:

• Set the working direction of the controller by pressing the joystick to the right [arrow right] for clockwise opening or to the left [arrow left] for counter-clockwise opening.
• Keep the joystick in the desired direction and connect power [power plug icon].
• Wait 2 seconds until the joystick is released [timer icon], the correct working direction is now set.

Change of Target Temperature

Diagram Description: Shows how to adjust the target temperature using the joystick.

Steps:

• To change the target flow temperature, press the joystick to the right [arrow right] or to the left [arrow left] (A).
• Press the joystick down [arrow down] to confirm the new target temperature (B).

For additional information, please refer to chapter 7.

Advanced Settings

Diagram Description: Illustrates accessing and navigating advanced settings menus.

Steps:

• Press the joystick for 5 seconds to reach advanced settings (A).
• To move between menus, press the joystick to the left [arrow left] or right [arrow right] (B).
• Press down the joystick [arrow down] to enter the desired menu (C).

The settings include options for Maximum Flow Temperature and Minimum Flow Temperature.

Maximum Flow Temperature

Diagram Description: Shows the process of setting the maximum flow temperature.

Steps:

• To change the maximum flow temperature, press and hold the joystick for 5 seconds to reach advanced settings (A).
• Choose the menu "Max" by pressing the joystick (B) and confirming with OK (C).
• Decide the maximum flow temperature by pressing the joystick (D) and confirming with OK (C).
• Press and hold the joystick for 5 seconds to return to the main menu (A).

Example settings shown: 50°C, ~40-50°C, ~60-80°C.

Minimum Flow Temperature

Diagram Description: Shows the process of setting the minimum flow temperature.

Steps:

• To change the minimum flow temperature, press and hold the joystick for 5 seconds to reach advanced settings (A).
• Choose the menu "Min" by pressing the joystick (B) and confirming with OK (C).
• Decide the minimum flow temperature by pressing the joystick (D) and confirming with OK (C).
• Press and hold the joystick for 5 seconds to return to the main menu (A).

Example settings shown: 5°C, ~5-25°C.

Alternative Temperature

Diagram Description: Explains how to activate an alternative temperature, often used for legionella flushing, via an external signal.

Activation Process:

• Disconnect power to the controller.
• Unscrew the cover (A) and connect two conductors to the green connector (B).
• Place the connector on the PCB (C) and reassemble the cover (D).
• Connect power to the controller (E).

When the two conductors are interconnected, the alternative temperature is activated, and the T2 symbol is shown on the display. The connection must be made without voltage or current and with a maximum resistance of 100 Ω.