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General| Type | RVA53.280 |
|---|---|
| Mounting | Wall mounting |
| Protection standard | IP20 |
| Product type | Central heating controller |
| Operating voltage | 230 V AC |
| Power consumption | 8 VA |
| Ambient temperature | 0 °C to +50 °C |
| Weight | 0.3 kg |
Covers regulations, mounting location, and procedure for installing the controller unit.
Addresses regulations, wiring practices, and provides connection terminal diagrams for models.
Guides the user through commissioning steps, including plant-specific settings and functional checks.
Explains how end-users can adjust settings to meet individual needs via the controller interface.
Outlines configuration and parameter settings to be made by a heating engineer for system setup.
Covers boiler-specific settings and protective functions intended for boiler manufacturers.
Describes how to operate the controller using its various buttons and interface elements.
Provides troubleshooting guidance for common operational issues and faults encountered with the controller.
Details the three available heating circuit operating modes: Automatic, Continuous, and Stand-by.
Describes how to select the d.h.w. heating mode independently of the heating operation.
Explains how to set the required nominal room temperature setpoint using the setpoint knob.
Details how to perform manual heating operation when the control system fails.
Explains how to set heating periods to suit lifestyle and save energy using time switch programs.
Describes selecting weekdays or a 7-day block to set switching times for time switch program 1.
Details setting the switching times at which temperature setpoints for heating circuits change.
Explains setting d.h.w. heating times to suit lifestyle and save energy.
Covers selecting weekdays or a 7-day block for d.h.w. time switch program settings.
Details setting switching times for d.h.w. programs where temperature setpoints change.
Defines the nominal setpoint for d.h.w. temperature, ensuring required temperature during occupancy.
Explains setting lower room temperatures for non-occupancy times to achieve energy savings.
Details the frost protection setpoint for room temperature, activated when outside temperature drops.
Covers automatic changeover between summer and winter modes based on outside temperature.
Explains how to set the flow temperature setpoint for heating circuit 1 based on the heating curve.
Explains how the controller registers and displays fault messages with error codes from the BMU.
Guides on how the controller indicates faults occurring within itself or the system.
Covers tests for checking connections and configurations prior to commissioning.
Details the output test sequence to check wiring and configuration of controller outputs.
Explains the input test sequence to verify controller inputs and sensor wiring.
Shows how the controller ascertains and displays the current plant type based on connected devices.
Displays current temperatures acquired by various sensors.
Shows the flow temperature measured by sensor B1/B12 in the heating circuit.
Displays the boiler temperature acquired by sensor B2 or the BMU.
Shows the flow temperature delivered by the main heat source.
Displays the higher d.h.w. temperature acquired by the d.h.w. sensor.
Sets a factory-limited minimum for the boiler temperature setpoint, acting as a protective function.
Sets a protective function to prevent boiler damage from condensation by limiting maximum temperature.
Ensures the required boiler temperature setpoint is reached quicker by restricting heat consumers.
Explains how the boiler temperature setpoint is generated based on demand from heating circuits.
Provides automatic shut-down of heating to save energy without sacrificing comfort.
Ensures boiler and d.h.w. temperatures do not fall below a minimum level to prevent freezing.
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