button until you reach the desired fan mode.
and
.
several times until the display shows the 
symbol to indicate that Protection is selected.
, only frost protection is active (factory setting = 8˚C), unless your HVAC installer has adjusted the factory settings.
if enabled (see parameter P02), or via an external contact such
If the external contact is activated the thermostat changes from Comfort mode or Protection to Economy mode. Any operation by the user has no influence.
.
. If the thermostat is configured for 
RDF600 specifications
The Siemens RDF600 is a cutting-edge device that epitomizes the convergence of advanced technology and user-friendly design, particularly in the field of industrial automation and control systems. This device serves a pivotal role in enhancing operational efficiency, reliability, and accuracy within complex industrial environments.One of the standout features of the RDF600 is its robust, multifunctional capabilities. This device is designed to facilitate real-time data acquisition and control, enabling users to monitor various processes seamlessly. The incorporation of high-speed processing technology allows the RDF600 to handle large volumes of data vastly quicker than its predecessors, making it indispensable for time-sensitive applications.
Noteworthy is the RDF600's ability to support a range of communication protocols, including PROFINET, EtherNet/IP, and MODBUS. This versatility ensures that the device can be easily integrated into existing infrastructure, allowing for painless upgrades and interoperability with other devices. Furthermore, this device is equipped with a web-based interface for remote monitoring. The interface is intuitive, enabling operators to access information and make real-time decisions regardless of their physical location.
The RDF600 excels in reliability, built with high-quality components that assure longevity and consistent performance. It features an advanced cooling system and robust housing, which allows it to operate efficiently under varying environmental conditions, including temperature fluctuations and exposure to dust and moisture. The durability of the device makes it particularly suitable for manufacturing settings where durability is paramount.
Another significant characteristic is the device’s inherent scalability. Organizations can implement the RDF600 in small applications, then easily expand its capabilities and functionalities as their operational requirements grow. This scalability is complemented by Siemens' continuous software updates, which further enhance the device's performance and expand its feature set without the need for significant hardware changes.
In terms of energy efficiency, the RDF600 is designed to minimize power consumption without compromising performance. This commitment to sustainable technology not only reduces operational costs but also aligns with global trends toward environmental responsibility in industrial settings.
In summary, the Siemens RDF600 stands out as a notable solution for modern industrial applications, due to its multifunctional capabilities, robust communication options, exceptional reliability, scalability, and energy efficiency. It exemplifies the technological advancements that continue to redefine the landscape of industrial automation, positioning Siemens as a leader in this dynamic field.