Heating technology
Air conditioning
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Building automation
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HTRRUu210.021#28/V2
Room/floor temperature controller with clock, flush-mounted, cover suitable for BUSCH-JAEGER Reflex SI/SI Linear, pure white, glossy
Universal flush-mounted temperature controller for time-dependent individual room or floor temperature control for electric and hot water heating systems (normally closed valve actuators). The device can be used as a room thermostat (also with optional external room sensor), with optional remote sensor also as a room thermostat with floor monitoring or as a floor thermostat. This clock thermostat has a weekly timer with individually adjustable programs (factory set to “normal” daily routines). Simple handling thanks to intuitive operation, cost optimization through time-controlled regulation to the desired temperatures. Illuminated, graphics-capable display. Convenient installation thanks to free wiring of the plug-in screw terminals.
Installations-Tutorial
| Adaptive heating time start | Yes |
|---|---|
| Number of outputs | 1, 1 |
| Number of outputs, heating | 1 |
| Number of switching programs | 7 |
| Number of control ranges | 1 |
| Actual temperature display | Yes |
| Display type | illuminated, graphic display |
| Temperature controller version | room therm. and/or underfl. temp. contr. |
| Clock version | digital |
| Output signal | switching |
| External setting | Yes |
| Operation | touch-sensitive buttons |
| Operating voltage | 230 VAC, 50 Hz |
| Design | |
| Display | Yes |
| Average power consumption | 0.65 W |
| Electric connection | screwed plug-in terminals |
| Energy efficiency class | I or IV |
| Colour | pure white |
| RAL colour number (similar) | 9010 |
| Sensor element | NTC internal, optional NTC external |
| Power reserve | 5 Days |
| Shortest switching time | 15 min |
| Bearing temperature | –20 … 70 °C |
| Max. air humidity (non-condensing) | 95 % r.H. |
| Housing material | plastic ABS, PC, PMMA |
| Max. switching voltage | 230 VAC, 50 Hz |
| Max. switching current | 10 (2) A |
| Medium | Air |
| Min. switching voltage | 230 VAC, 50 Hz |
| Mounting/attachment | flush mounting (deep socket recommended) |
| Surface finish | gloss |
| Party function | Yes |
| Test mark approval | CE, VDE |
| Control range | 5 … 42 °C, 5 … 42 °C |
| Heating control function | |
| Control behaviour | 2-point or PI-PWM |
| Switching differential | 0,5 … 1 K |
| Switching difference, can be adjusted | No |
| Switching element | |
| Switching contact | normally open contact |
| Potential free switching contact | No |
| Switching power | 2300 W |
| Protection class | IP30 |
| Protection class | II, following appropriate mounting |
| Sensor external | No |
| Safety and EMC | in accordance with DIN EN 60730 |
| Clock type | day/week |
| Ambient temperature | 0 … 35 °C |
| Valve protection function | Yes |
| Dimensions (W x H x D) | 71 mm x 71 mm x 46 mm |
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| Photo | Type | Art. no. | Features | |
|---|---|---|---|---|
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| HF-8/4-K2 | G8000370 | Sleeve temperature sensor, NTC 2K, 4 m | View product |
 | WP-01 | G9990180 | Thermally conductive paste, 2 ml, -40...+150 °C | View product |