Theben RAMSES 786-1 OpenTherm Operating Instructions Manual
310 781 01
RAMSES 786-1
OpenTherm
Bedienungsanleitung
Uhrenthermostat
Operating Instructions
Clock thermostat
Description
Set actual time
Summer / Winter time adjustment
Daily program
Switching pre-selection
Overview
Selection of program type
Daily or weekly program
Weekly program
Operating mode switch
Settings by the end user
Setting domestic water
temperature
Starting domestic water
heating immediately
Operating status display
Safety information
Coding switch
Settings to be made only by
qualified electrician or heating
engineer
Weather-dependent control
(ambient temperature dependent))
PI control
(not ambient temperature dependent)
Setting of domestic water
function
Control types
Installation in living areas
Electrical connections
Temperature compensation for
adjustment to location conditions
2
8
1 RAM 786-1 with switchable day / weekly program (with tappets)
2 Manual switching and display normal or energy saving operation (night)
3 Display for operating state
4 Setting of domestic water temperature
5 Setting of daily temperature
6 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)
Domestic water heating only (summer operation)
7 Temperature compensation for adjustment to location conditions
8 Setting reduction temperature (energy-saving program)
9 Seal for product security
10 Tappet holder
11 Vent slots in base
7
2
1
3
5
6
4
9
10
11
3
Description
Designated use
The RAM 786-1 thermostat is a continuous regulator for the time-dependent
control of room and domestic water temperature.The thermostat uses the
OpenTherm bus protocol.
The control unit may only be connected to heaters that bear the OpenTherm
symbol.
The unit combines high control comfort with easy operation.
Consequences of non-compliance
If the unit is not connected to an OpenTherm device or directly to an alternative supply source, the possibility of damage to both the heater and the
RAM 786-1 control unit cannot be ruled out.
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
4
Overview
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.
Weekly program operation: The red and blue tappets can be used to enter the set times for
normal and reduced temperature individually for each day of the week.
Take off the graduated ring.
Move the large hand until the groove in the blue and the
groove in the green ring cover each other.
Slide the drive pin into position 7 d.
The unit is supplied with the factory-set daily
program!
Changing over to the weekly program:
5
Turn the graduated ring over and set it up again.
Selection of program type
Daily or weekly program
Settings by the end user
Changing over to the daily program:
Remove the graduated ring.
Move the large hand until the groove in the green
and the groove in the blue ring cover each other.
Slide the drive pin into position 24 h.
Refit the graduated ring so that the groove fits the metal
pin in position 7 d (see figure).
Example for weekly program at normal temperature from:
Mon - Fri: 4°° - 8°° hrs and 16°° - 20°°/ Sat: 8°° - 0°°/ Sun: 8°° - 20 °°
Starts normal program and ends energy saving program .
Starts energy saving program and ends normal program .
Set the tappets at the following times from Monday (I) to Friday (V):
• Red tappet at 04:00 hrs and blue tappet at 08:00 hrs
• Red tappet at 16:00 hrs and blue tappet at 20:00 hrs
Saturday (VI): • Red tappet at 08:00 hrs and blue tappet at 00:00 hrs
Sunday (VII): • Red tappet at 08:00 hrs and blue tappet at 20:00 hrs
Please note! Push all tappets fully in!
e. g. V = friday
theben Nr.
9 343 111
theben Nr.
9 343 236
e. g. 20 °C
e. g. 16 °C
6
Weekly program Setting the program
(8)
(5)
The tappets can be inserted
down to intervals of 30 mins.
The shortest programmable
time between heat and reduced is 2 hours.
Set the red tappet to 06:00 hrs.
Set the blue tappet to 08:00 hrs.
Please note: Push all tappets fully in!
Example: Setting the normal program daily from 06:00 to 08:00 hrs
The tappets can be inserted
down to intervals of 5 mins.
The shortest programmable
time between heat and reduced is 20 mins.
7
Daily program Setting program
Turn only the large hand in a clockwise or
counter-clockwise direction until the current
time is displayed.
Current time: e.g. 14:00 hrs 14:00
14°°
2 °°
14
Setting current time / summer / winter adjustment
Please note: 14:00 hrs, not 02:00 hrs!
Daily program
e. g. 20 °C
Energy saving program
e. g. 16 °C
Manual switch (2) for the switching pre-selection
Manual switch (2) for the switching pre-selection
• Manual switch (2) in position
;
the setting of the rotary switch (5)
determines the temperature.
• Manual switch (2) in position
;
the setting of the rotary switch (8)
determines the temperature.
Please note:
A 1 degree reduction in temperature is equivalent to approx. 6% energy saving.
Switching pre-selection
(5)
(8)
8
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