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Description of product
Properties of R3V-421:
The controller enables according connected temperature sensors (max. 8) controlling three-way / four-way valves, pumps, switching boiler and to regulation the temperature according to the selected function.
It can be used for example in the following systems
- single and multiple circuit systems (radiators, floor heating)
- for discharging of storage tank
- for solid fuel boilers (regulation of return water temperature)
- where, does not regulate the heat according to outdoor temperature (equithermal regulation=weather-compensated reg.)
Type of regulation:
- Control according to room temperature with a temperature sensor (PI control)
- Control depending on the valve with respect to the room thermostat
- Weather-compensated control according to room temperature with a temperature sensor
- Weather compensated according to outdoor temperature with respect to the room thermostat
- Control by the return temperature with temperature sensor
- Control by the return temperature with respect to the room thermostat
- Service mode
- Summer mode
Advantages R3V-421:
- 7 weekly programs, 6 temperature changes for every day
- Select language (CZ/EN)
- Mode AUTO/ MANU/ OFF
- Monitoring the maximum boiler temperature
- Automatic adaptation of valve
- Backup running clock after a power failure is more than 4 hours
- Anti-freeze function
- Automatic protection against limescale
- Short-term changes in temperature
- Information on temperatures at the sensor, the calculated temperature at the valve and valve position in %
- Power supply 5 V/DC 500 mA (not include)
- Possibility to connect up to 8 temperature sensors (included as sensors KO, VT, M1, V1, Z1 can be purchased at additional www.elbock.cz)
- Connection option for remote control thermostat
-
Max. output load is 5 A.
Technical specification
| Power supply | universal / 5,0 V / 0.5 A, DC (AD05-DIN not included) |
|---|---|
| Thermostat type | wire |
| Accuracy | 0,5 °C |
| Dimensions (LxWxD) | 160x90x58 mm |
| Protection | IP20 |
| Working temperature | 0 °C to 40 °C |
| Switching element | relay |
| Output | 5 A / 250 VAC |
| Max. the number of temp. sensors | 8 (for temp. sensors/ thermostats) |
| Range of adjustable temperature | 2 °C to 99 °C |
| Consumption | 1, 0 VA |
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