RAMSES 831 top2
Description
- Digital clock thermostat with a low profile design for time-dependent monitoring and control of room temperature
- Battery version
- Suitable for energy-saving room temperature control in houses, apartments, heating zones, offices, showrooms, factories, medical practices, holiday homes
- Backlit display through keystroke
- External input for connection of presence detectors, temperature sensors, floor sensors, window contacts or telephone remote switches
- Optimisation function for automatic correction of heating start up
- Temperature is set quickly via rotary switch
- INFO key for viewing important settings
- Quick start-up via 3 basic programs with individually changeable comfort and reduced temperature
- Party / ECO program
- Fully automatic summer/winter-time correction
- Holiday program with reduction phase or date-controlled heating phase for holiday homes
- Different control types can be individually set
- Optimum start option thanks to operating point and switching differential setting option
- 24 programmable time phases per program also enable reduction phases during the day
- Plug-in base for wall or flush-mounted socket installation
Technical data
| Operating voltage | 2 AA batteries |
| Type of connection | 2/3-way conductors |
| Type of contact | Changeover contact |
| Switching capacity |
6 A (at 250 V AC, cos 蠁 = 1), 1 A (at 250 V AC, cos 蠁 = 0.6) |
| Switching capacity min. | 1 mA |
| Setting range temperature | +6 掳C聽鈥β+30 掳C |
| Setting range frost protection | +6 掳C聽鈥β+10 掳C |
| Temperature display | exactly 0.1 掳C |
| Time basis | Quartz |
| Program | Weekly program, Daily program, Holiday program, 3 basic programs |
| Number of memory locations | 42 , max. 24 per program |
| External inputs | 1 |
| Control types | Pulse width modulation, Hysteresis controller |
| Control period | 5聽鈥撀30 min |
| Control capture range | 0,2聽鈥撀5 K |
| Control accuracy | 鈮 卤 0.2 K |
| Mode of operation | Type 1 B as per EN 60730-1 |
| Control types | 2-point |
| Switching output | Potential-free |
| Suitable for SELV | Yes |
| Time accuracy at 25 掳C | 鈮 卤 1 s/day (quartz) |
| Power reserve | Max. 10 mins without losing time |
| Battery life | approx. 1 year, depending on switching frequency |
| Installation type | Wall installation |
| Type of protection | IP 20 |
| Protection class | II according to EN 60 730-1 |
Scale drawings
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