Related Manuals for Theben RAMSES 786-1 OpenTherm
Summary of Contents for Theben RAMSES 786-1 OpenTherm
- Page 1 310 781 01 RAMSES 786-1 OpenTherm Bedienungsanleitung Uhrenthermostat Operating Instructions Clock thermostat...
- Page 2 Description Overview Settings to be made only by qualified electrician or heating Settings by the end user engineer Selection of program type Daily or weekly program Coding switch Control types Weekly program PI control (not ambient temperature dependent) Daily program Set actual time Weather-dependent control Summer / Winter time adjustment...
- Page 3 Description RAM 786-1 with switchable day / weekly program (with tappets) Manual switching and display normal or energy saving operation (night) Display for operating state Setting of domestic water temperature Setting of daily temperature Operating mode switch in position: Programming clock for day or energy-saving mode Day mode only Energy-saving mode only Frost protection mode only (fixed setting +6 °C)
- Page 4 Overview The Operating Manual is divided into two sections: Operation and setting of the device by the end user Connection and settings to be made only by qualified electrician or heating engineer Designated use The RAM 786-1 thermostat is a continuous regulator for the time-dependent control of room and domestic water temperature.
- Page 5 Settings by the end user Selection of program type Daily or weekly program Note: The control can be operated in either the daily or weekly program mode. Effect of the daily program: The times set with the red and blue tappets for normal and reduced temperature are repeated daily.
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Page 6: Weekly Program
Weekly program Setting the program e. g. 16 °C e. g. 20 °C V = friday e. g. theben Nr. theben Nr. 9 343 111 9 343 236 The shortest programmable The tappets can be inserted time between heat and redu- down to intervals of 30 mins. -
Page 7: Daily Program
Daily program Setting program Example: Setting the normal program daily from 06:00 to 08:00 hrs Set the red tappet to 06:00 hrs. Set the blue tappet to 08:00 hrs. Please note: Push all tappets fully in! The shortest programmable The tappets can be inserted time between heat and re- down to intervals of 5 mins. - Page 8 Switching pre-selection • Manual switch (2) in position ; the setting of the rotary switch determines the temperature. • Manual switch (2) in position ; the setting of the rotary switch determines the temperature. Please note: A 1 degree reduction in temperature is equivalent to approx. 6% energy saving. Manual switch (2) for the switching pre-selection Daily program e.
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Page 9: Operating Mode Switch
Operating mode switch Domestic water heating is dependent upon the coding set on the rear of the unit. The coding on your unit is as follows: Coding A The operating mode switch (6) has the following functions: Summer mode The heater is switched to frost protection at 6 °C. The dome- stic water is heated up in dependence of the programmed switching times. - Page 10 Operating mode switch Coding B: The operating mode switch has the following functions: Summer mode The heater is switched to frost protection at 6 °C. The domestic water is heated further. The setting of the rotary switch (4) controls the temperature of the domestic water. Automatic mode The programmed times on the clock determine the period of the day...
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Page 11: Operating Status Display
Setting domestic water temperature The domestic water temperature is heated to a maximum of the value set on the heater. Setting range: 10 ... 70 °C Drop the front cover down. Set the required domestic water temperature by the rotary switch (4). Starting domestic water heating immediately e.g. -
Page 12: Coding Switch
Settings to be made only by qualified electrician or heating engineer Coding switch Coding switch A coding switch is located at the back of the unit. To activate the desired function for domestic water preparation, push the relevant coding switch into the position shown. Note: Coding switch 5 is a manufacturer’s test switch. -
Page 13: Control Types
Control types Thermostat RAM 786-1 can either be used as a weather-dependent regulator (dependent on ambient temperature), as a PI regulator (room-temperature dependent) or as a combination of the two types. The regulator can be programmed to the desired type using the coding switch at the back of the unit. - Page 14 PI control (not ambient temperature dependent) Thermostat RAM 786-1 operates as a PI regulator. To activate PI control, set the following coding at the back of the unit. The control characteristics can be set via a rotary switch (see fig.) at the back of the unit.
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Page 15: Weather-Dependent Control
Weather-dependent control Effect: In this operating mode, Thermostat RAM 786-1 works as a weather-depen- dent boiler control. The control characteristics are determined by the follo- wing parameters: - Base point - Steepness - Room influence (PI) Ambient temperature TA °C To activate weather-dependent parameters, set the following coding at the back of the unit: Set the parameters for your heating system. - Page 16 See the table below for steepness / base point values: Heating curve Steepness Heating Base system point 40/ 30 20°C 25°C 50/ 35 20°C 25°C 30°C 70/ 50 35°C 30°C 90/ 70 35°C Set the temperature of the base point and the determined steepness value at the back of the unit.
- Page 17 We recommend the following settings: Underfloor heating Radiator heating with: - weak compensation - medium compensation - strong compensation At a setting with value 0, no room compensation is carried out. The regulator carries out only a temperature-dependent control. What should I do if the desired room temperature is not achieved? Ambient temperature during Room temperature too cold...
- Page 18 Setting the domestic water functions Effect: The domestic water temperature can be controlled by thermostat RAM 786-1. Select the desired domestic water heating from the following functions. Heating time of domestic water Function with Coding A: The domestic water is heated up to the programmed comfort phase, only if the manual switch (2) is set to the following position: Set the following coding:...
- Page 19 Setting the volume of the domestic water tank 1. Domestic water tank in use has a capacity greater than 100 l. Set the following coding: 2. Domestic water tank in use has a capacity smaller than 100 l. Set the following coding: Domestic water energy saving mode Function: Given normal water consumption and a large water tank, constant re-heating is not necessary.
- Page 20 Temperature adjustment to match location conditions • Temperature adjustment to match location conditions. • The clock thermostat is factory-set. If, as a result of the mounting location, e.g. a cold concrete wall, the thermostat has to be re-set, adjust the measu- red temperature deviation at the rotary switch (7) Possible adjustment range: +/-3 K Please note:...
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Page 21: Electrical Connection
Electrical connection The connection and the installation of electrical products may be effected only by a qualified electrician. If clock thermostats are used in a lay-out with other products, attention must be given to ensure that the whole system does not cause radio interference. National directives and relevant safety regulations must be observed. - Page 22 Installation in living area Ensure that when installing and dismantling the clock thermostat that the voltage in the connecting lead is switched off. Mounting: Do not mount the device on an even conductive base. 1. Lower the front cover. 2. With a screwdriver turn the seal 9 to position 3.
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Page 23: Technical Data
Technical data Operating voltage: OpenTherm Power reserve: R 3d (72h) Possible control type: Weather-dependent or PI-controlled Permitted ambient temperature: 0 °C ... +40 °C Protection class: II EN 60730-1 for designated installation Protection rating: IP 20 EN 60529 Setting range on control: Comfort / reduced temperature: +6 °C ... - Page 24 Telefon (0 74 74) 692-0 Tel. 0181/4508944; Telefax: (0 74 74) 692-150 Fax. 0181/4525143 Kundendienst: Telefon (0 74 74) 692-369 Theben S.R.L., Via Ciro Menotti 11, Telefax (0 74 74) 692-207 20129 Milano www.theben.de Tel. 02/7386141/2/3/4, Fax. 7386144 SIBLIK ELEKTRIK GES.M.B.H & CO.KG,...