KTRVB-048.100
Room thermostat, heating/cooling, surface-mounted, 24V AC/V DC, output 0…10V/10…0V, 2-pipe
Electronic surface-mounted climate controller for controlling heating and cooling in mixing chambers in hotels, residential properties and business premises. For controlling permanent valve actuators or air valves. The factory preset “zero point” of approx. 21…°C can be adjusted by +/- 5K in the device. The adjustment knob can be used to adjust the set temperature within the range +/- 3K of the set zero point.
Art.-Nr.: DA450000
Technical data
| Actual temperature display | No |
| Additional heating switch | No |
| Ambient temperature, lower value | 0 °C |
| Ambient temperature, upper value | 50 °C |
| Assembly | Complete device |
| Bearing temperature, lower value | -20 °C |
| Bearing temperature, upper value | 70 °C |
| Colour | Pure white |
| Control range, lower value | 5 °C |
| Control range, upper value | 30 °C |
| Cooling control function | Yes |
| Degree of contamination | 2 |
| Depth | 25,5 mm |
| Design | Berlin 2000 |
| Display | No |
| ECO function (reduction) | No |
| Electric connection | Screw terminals |
| Electronic control | Yes |
| External setting | Yes |
| Heating / cooling switch | No |
| Heating control function | Yes |
| Height | 83,4 mm |
| Housing material | Plastic ABS |
| Maximum air humidity (non-condensing) | 95 % r.H |
| Maximum switching current | 5 mA |
| Mechanical range reduction | Yes |
| Medium | Air, not aggressive |
| Mounting / attachment | Surface mounting |
| Number of outputs | 1 |
| Number of outputs, cooling | 1 |
| Number of outputs, heating | 1 |
| Off / comfort / ECO switch | No |
| On / Off switch | No |
| Operating voltage | 24 V AC / 50 Hz, 24 V DC |
| Operation | Rotary knob |
| Output signal | 0 – 10 V or 10 – 0 V |
| Potential free switching contact | No |
| Protection class | III |
| RAL colour number (similar) | 9010 |
| Safety and EMC | In accordance with DIN EN 60730 |
| Scale | Degree Celsius |
| Sealable | No |
| Sensor element | NTC internal |
| Sensor external | No |
| Surface properties | Matt |
| Switch/lamp night-time reduction | No |
| Switching contact | Zero-contact |
| Switching difference | 0 K, as controlled almost constantly |
| Switching difference, can be adjusted | No |
| Switching element | Electronics with analogue output signal |
| Temperature controller version | Climate controller |
| Thermal feedback | No |
| Type of protection | IP30 |
| Width | 78,3 mm |
| With explosion protection | No |
| Circuit diagram | |
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