FETR 101.715#21
Underfloor temperature controller with remote sensor, flush-mounted, 10-50…°C, alre frame, cover 50x50mm, pure white, gloss
This electronic two-point controller has been specially developed for controlling electrical (max. 3680W) or hot water-based heating/additional heating for underfloor and other surface temperature control systems. Remote sensor HF-8/4-K2 (4m) included in delivery. In the event of a sensor failure and short circuit, the heating is switched off. An approx. 5 K lower temperature can be achieved using the temperature reduction input (night-time reduction).
Art.-Nr.: UN030109
Technical data
| Actual temperature display | No |
| Additional heating switch | No |
| Ambient temperature, lower value | 0 °C |
| Ambient temperature, upper value | 40 °C |
| Assembly | Complete device |
| Bearing temperature, lower value | -20 °C |
| Bearing temperature, upper value | 70 °C |
| Colour | Pure white |
| Control behaviour | 2-point |
| Control range, lower value | 10 °C |
| Control range, upper value | 50 °C |
| Cooling control function | No |
| Depth | 42,4 mm |
| Design | Berlin UP |
| Display | No |
| ECO function (reduction) | Yes |
| ECO input (reduction) | 230 V AC, 50 Hz |
| ECO temperature reduction | Approx. 5 K |
| Electric connection | Screw terminals |
| Electronic control | Yes |
| Energy efficiency class | I |
| External setting | Yes |
| Heating / cooling switch | No |
| Heating control function | Yes |
| Height | 85 mm |
| Housing material | Plastic PC |
| Internal setting | No |
| Maximum air humidity (non-condensing) | 95 % r.H |
| Maximum switching current | 16 (2) A |
| Maximum switching voltage | 230 V AC, 50 Hz |
| Mechanical range reduction | Yes |
| Medium | Air, not aggressive |
| Minimum switching voltage | 230 V AC / 50 Hz |
| Mounting / attachment | Flush mounting (deep socket recommended) |
| Number of control ranges | 1 |
| Number of outputs | 1 |
| Number of outputs, heating | 1 |
| On / Off switch | Yes |
| Operating voltage | 230 V AC / 50 Hz |
| Operation | Rotary knob and switches |
| Output signal | Switching (230 V AC, 50 Hz) |
| Potential free switching contact | No |
| Protection class | II, following appropriate mounting |
| RAL colour number (similar) | 9010 |
| Safety and EMC | In accordance with DIN EN 60730 |
| Scale | Index number scale 1…5 |
| Sensor element | NTC external |
| Sensor external | Yes |
| Surface properties | Gloss |
| Switch/lamp night-time reduction | No |
| Switching contact | Normally open contact |
| Switching difference | < 1 K |
| Switching difference, can be adjusted | No |
| Switching element | Relay |
| Switching power | 3680 W |
| Temperature controller version | Underfloor temperature controller |
| Thermal feedback | No |
| Type of protection | IP30 |
| Width | 81 mm |
| With explosion protection | No |
| Circuit diagram | |
| Photo | Type | Articlenumber | Features | Kind |
|---|---|---|---|---|
 |
HF-8/4-K2 | G8000370 | Sleeve temperature sensor, NTC2K, 4m, PVC sensor cable | Spare part |
|
HF-8/6-K2 | G8000368 | Sleeve temperature sensor, NTC2K, 6m, PVC sensor cable | Spare part |
 |
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THF | C1809515 | Protective sleeve for screed installation of sleeves/cable sensor, copper, inner diameter 7.7mm | Accessories |
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ZBOOA-010.185 | G8990010 | Valve actuator "Stella" 230V NC for the fully automatic hydraulic compensation | Accessories |
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