Name: RAMSES 850 top3 OT
Brand: Theben
SKU: 8509200

Function description

Digital clock thermostat in flat design for time-dependent monitoring and control of room temperature
Operation on device or via app
Power supply via OpenTherm bus
Direct Bluetooth Low Energy (BLE) connection between app and clock thermostat, no communication via the Internet
Settings configured conveniently via the app with intuitive operation from a smartphone or tablet
Installation on flush-mounted box or wall installation possible
Increased user convenience
Communication with the heating unit via OpenTherm bus
3 individually programmable weekly programs, as well as comfort, eco and setback function
Suitable for energy-saving room temperature regulation in houses, apartments, etc.

Illuminated display through keystroke
External input for the flexible connection of the external room temperature sensor, floor sensor, motion detector or telephone contact
PI room controller, controlled by atmospheric conditions, with or without room influence
Preset with three modifiable weekly programs for heating and one for tap water
Suitable for modulating gas condensing boiler systems and modulating heating systems with OpenTherm interface

Technical data

Installation type	Wall installation (also on flush-mounted socket possible)
Setting range temperature	2°C ... 30°C
Type of connection	2-way conductor (BUS) room controller
Program	Weekly program, Daily program, Holiday program, 3 basic programs
Number of memory locations	42
Power reserve	4 hours
Stand-by consumption	<0.2 W
Type of protection	IP 40
Protection class	III according to EN 60 730-1

Operating instructions (Smartphone)	PDF	RAMSES top3 (3,0 MB)
Operating instructions	PDF	RAMSES 850 top3 OT (9,1 MB)
Data sheet	PDF	RAMSES 850 top3 OT (512,0 kB)
briefing	PDF	RAMSES 700 S Electronic room thermostats (293,7 kB)

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To the product Data sheet

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To the product Data sheet