SIEMENS RVD145/109-A Equithermal controller

Replacement for RVD135/109-C

SIEMENS RVD145/109-A Equithermal controller
Exchanger station regulator with heating circuit and TV preparation with storage tank or flow heating, admission, ModBusRTU communication. Application Type 1-8.

• The RVD125/145 regulator is a multifunctional device used to regulate the heating water temperature and prepare domestic hot water.
• Its area of use is exclusively for devices with a district heating connection. The RVD125/145 regulator is suitable for small and medium-sized residential and non-residential buildings.
• 3/8 types of handover stations are programmed in RVD125/145. By choosing the desired device type, all necessary functions and settings are activated.
• The RVD125/145 controller regulates the temperature of the heating water depending on: − the outside temperature, equithermal control − the outside temperature with the effect of the room temperature − the room temperature, room control
• Types RVD125 and RVD145 differ in the way of preparing hot water: – RVD125: three types of equipment, suitable for simpler hot water preparation using hot water tanks, – RVD145: eight types of equipment, also suitable for more complex hot water preparation using flow systems.
• The RVD125/145 regulator is equipped with control of through or three-way valves, overflow valves and pumps
• The rotary knob is used to directly set the desired nominal room temperature. All other parameters are set digitally by a system of operating lines.
• Design: operating voltage AC 230 V, CE-compliant, external dimensions according to DIN 43700 (96 * 144 mm).