EU-521 Panel D

ST-521 – 5'' Flush-Mount Heat Pump Control Panel

The ST-521 is a 5-inch touch panel designed for convenient control of a heat pump. Its elegant flush-mount design allows it to seamlessly integrate into modern interiors.

As an intuitive control center for the heat pump system, it combines functionality with a sleek design. The panel allows easy management of all key pump parameters, presenting data clearly and readably. The TFT display, responsive touch screen, and logical menu make daily operation fast, simple, and user-friendly.

Flush-Mount Version

The flush-mount panel is designed for quick and easy installation. Equipped with a modern 5'' TFT touch display, it enables intuitive control of the entire heating system.

The user interface is clear and functional. In standby mode, the main screen displays the current and target temperatures for the boiler and domestic hot water, allowing quick monitoring of the most important parameters. Additional views cover specific areas of the installation, such as home heating, return protection valve, boiler control, and settings, where system parameters can be adjusted to individual needs. The modern aesthetic makes the flush-mount version ideal for both technical and living spaces.

Connection and Communication

The panel communicates with the actuator module via a wired RS connection, ensuring stable and fast data exchange. The connector is located at the back of the device, allowing easy routing of the cable inside the wall. No additional power supply is required, as communication and power are provided through a single connection.

Installation

The flush-mount panel is designed for quick installation. The device is mounted directly into an electrical box using a dedicated bracket or support. This mounting method ensures easy service access and requires no specialized tools.

Device Dimensions

The flush-mount panel is compact, allowing easy installation and an aesthetically pleasing integration into any space.

Dimension details:

• Dimensions: 139,6×96,4×16,6mm
• Mounting section: 135,86×90,66mm
• Display size: 108×65mm
• Mounting type: flush-mounted

Included Options

The actuator module is supplied with the control panel for intuitive system management. Depending on installation preferences, the user can choose between two versions:

• Surface-Mount Panel – ideal for quick installation without wall modification

• Flush-Mount Panel – a discreet and elegant solution mounted within an electrical box