Buderus RC20 Manual de usuario
7 747 006 217 – 08/2006 GB For the user
Please read carefully before use.
Operating instructions
RC20 room controller
Contents
2 Operating instructions RC20 room controller • Issue 08/2006
We reserve the right to make any changes due to technical modifications.
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Safe handling of your RC20 . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Correct use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Please observe these notes. . . . . . . . . . . . . . . . . . . . . . . . 4
2.3 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.4 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.5 Other notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 First steps with your room controller . . . . . . . . . . . . . . . . . 6
3.1 Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.2 Quick reference guide . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4 The functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
4.1 Changing the room temperature directly. . . . . . . . . . . . . . . .10
4.2 Setting the room temperature . . . . . . . . . . . . . . . . . . . . . .14
4.3 Heating domestic hot water. . . . . . . . . . . . . . . . . . . . . . . .17
4.4 Setting day and time . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
4.5 What is a heating program? . . . . . . . . . . . . . . . . . . . . . . .20
4.6 Heating program selection . . . . . . . . . . . . . . . . . . . . . . . .21
4.7 Heating program summary . . . . . . . . . . . . . . . . . . . . . . . .22
5 Information on setting the programming unit . . . . . . . . . . . 23
5.1 What does the RC20 room controller regulate?. . . . . . . . . . . . 23
5.2 Control modes for the heating control unit . . . . . . . . . . . . . .24
5.3 Tips on energy-efficient heating . . . . . . . . . . . . . . . . . . . . .26
6 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
6.1 Frequently asked questions . . . . . . . . . . . . . . . . . . . . . . .27
6.2 Fault displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
6.3 Resetting faults (reset). . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7 Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Introduction 1
3
We reserve the right to make any changes due to technical modifications.
Operating instructions RC20 room controller • Issue 08/2006
1Introduction
The RC20 room controller makes it easy to operate your Buderus
heating system with Energy Management System (EMS). The
heating system is controlled in such a way that you benefit from
optimum heating comfort and minimum energy consumption.
The RC20 room controller is factory-set for immediate use. You
can modify these settings, such as the heating program for
example, and match them to your requirements.
Special functions help you to save energy, without sacrificing your
personal comfort. For example, simply pressing a key starts
domestic hot water heating.
The design and operation of this product conforms to European
Directives and the supplementary national requirements. Its
conformity is demonstrated by the CE Declaration of Conformity.
You can view the Declaration of Conformity on the Internet at
www.buderus.de/konfo or request a copy from your local
Buderus office.
Safe handling of your RC202
4 Operating instructions RC20 room controller • Issue 08/2006
We reserve the right to make any changes due to technical modifications.
2 Safe handling of your RC20
The RC20 room controller has been developed and built in
accordance with currently recognised standards and safety
requirements. However, dangers or material losses may arise if it
is used improperly.
zYou should therefore only operate the heating system as
intended and when it is in perfect working order.
zPlease read these instructions carefully.
zAlways observe the safety instructions to prevent injury and
material losses.
2.1 Correct use
The RC20 room controller may only be used to operate and control
Buderus heating systems in houses or apartments.
The boiler must be equipped with EMS (energy management
system) or UBA1.x (universal burner control). We recommend that
the heating system is always operated using the room controller
(only emergency operation possible without room controller).
2.2 Please observe these notes
USER NOTE
zIn an emergency isolate the heating system from the mains
supply using the emergency stop switch outside the boiler
room or by removing the main fuse.
zCall in your local heating contractor to remedy any faults in
your heating system immediately.
Safe handling of your RC20 2
5
We reserve the right to make any changes due to technical modifications.
Operating instructions RC20 room controller • Issue 08/2006
2.3 Cleaning
zThe room controller should only be cleaned with a damp cloth.
2.4 Disposal
zDispose of packaging in an environmentally responsible
manner.
zDispose of old components in an environmentally
responsible manner through an approved organisation.
2.5 Other notes
Assembly, maintenance and repairs, as well as fault diagnosis,
may only be carried out by a heating contractor.
CAUTION!
SYSTEM DAMAGE
through frost.
The heating system can freeze up in cold weather if it has been
switched off.
zLeave the heating system switched ON constantly.
zIn case of fault shutdown, try to remedy the fault by resetting
or notify your heating contractor.
USER NOTE
All modifications and settings made on the room controller must
consider the implications for the heating system.
Never open the housing of the programming unit.
First steps with your room controller3
6 Operating instructions RC20 room controller • Issue 08/2006
We reserve the right to make any changes due to technical modifications.
3 First steps with your room controller
3.1 Controls
Fig. 1 RC20 controls
Item 1: Display
Item 2: Keys for basic functions with LEDs
Item 3: Rotary selector for changing values and temperatures
or for navigating through the menus
Item 4: "Prog" and "Time" keys
Item 5: Flap; covers the "Prog" and "Time" keys
Keys for basic functions
(Fig.1,Item2)
Keys for extended functions
(Fig.1,Item4)
"AUT" key (automatic) "Time" key
"Day mode" key "Prog" key (program)
"Night mode" key
"DHW" key
4
3
2
5
1
First steps with your room controller 3
7
We reserve the right to make any changes due to technical modifications.
Operating instructions RC20 room controller • Issue 08/2006
Display (Fig. 1, Item 1)
The display shows set and actual values and temperature, e.g. the
actual room temperature (standard display in factory setting).
The display shows four dashes if you try to change a value that
cannot be modified of if no setting is possible.
Fig. 2 Explanation of the display elements
Item 1: Day (1 = Mo, 2 = Tu,... 7 = Su)
Item 2: Set or actual value or temperature
Item 3: "Temperature in °C" display
Item 4: "Outdoor temperature" display (only in conjunction with a
programming unit, for example RC30/RC35, see page 23,
RC20 as remote control)
Item 5: "Actual room temperature" display
Item 6: Display:
a) Room temperature can now be adjusted or
b) Room temperature has temporarily changed (temporary room
setting, see section 4.2.2, page 15)
Item 7: "Summer mode" display (only in conjunction with a programming
unit, e.g. RC30/RC35, that provides a summer mode for the
heating system)
Item 8: Operating status symbols (see Tab. 1, page 8)
6
3
1
7
2
4
5
8
First steps with your room controller3
8 Operating instructions RC20 room controller • Issue 08/2006
We reserve the right to make any changes due to technical modifications.
LEDs (Fig. 1, Item 2, page 6)
The green LEDs and the symbols in the display provide
information about the current operating status:
Flap (Fig. 1, Item 5, page 6)
To open the flap, pull the flap on the recessed grip on the left-hand
side towards you. Opening the flap activates a switch. The flap
covers the keys for setting the time and the day, as well as the
heating program selection.
LED Symbol Operating status
"Automatic
mode"
The symbol lights up when automatic mode
(heating program) is active. The "Day mode" or
"Night mode" symbol is also illuminated. 2)
If the holiday function is active, only the "AUT"
symbol is illuminated.
"Day
mode"
The symbol lights up in normal heating mode
(day mode).
"Night
mode"
The symbol lights up in setback heating mode
(night mode).
"DHW"
The symbol lights up if the DHW temperature
falls below the set value. 1)
The symbol is not illuminated if the DHW
temperature is within the required temperature
range or if there is no DHW heating function
installed in the EMS. 1)
The symbol flashes when hot water is being
heated by the "DHW single charge" function. 1)
"Auto/day/
night
mode"
"Temporary room setting" operating mode
Room temperature has temporarily changed
(see section 4.2.2, page 15) The changed
setting is retained until the heating system
changes the operating mode (e.g. to night
mode).
Tab. 1 Operating status
1) On boilers with UBA 1.x the LED never lights up.
2) On boilers with UBA 1.x only one LED lights up.
First steps with your room controller 3
9
We reserve the right to make any changes due to technical modifications.
Operating instructions RC20 room controller • Issue 08/2006
3.2 Quick reference guide
Setting temperatures (Chapter 4, page 10)
Functions (Chapter 4, page 10)
Keys Function Factory
setting
Setting
Range System
Temperature for
automatic mode
(day/night)
21/17 °C as for day/
night
Temperature for
day mode
(manual mode)
21 °C 6 – 30 °C
Temperature for
night mode
(manual mode)
17 °C 5 – 29 °C
Return to Automatic mode after changing the day or night
temperature
Change temperature temporarily ("temporary room
setting" )
Pressing a key cancels the temporary room setting and
activates the selected mode.
DHW temperature 60 °C 30 – 60
(80) °C
Flap closed
+
+
+
+
Keys Function Page
Set the time page 19
Select a heating program page 21
Flap open
+
+
The functions4
10 Operating instructions RC20 room controller • Issue 08/2006
We reserve the right to make any changes due to technical modifications.
4 The functions
This chapter describes how to change room and DHW
temperatures, the advantages of automatic mode, how to make
effective use of manual mode, etc.
The functions are controlled by pressing a key on the right-hand
side of the RC20 and turning the rotary selector.
4.1 Changing the room temperature directly
If all of your accommodation is too cold, raise the room
temperature using the rotary selector, and leave the
thermostatic radiator valves unchanged.
Example: setting the room temperature
Set the required room temperature by turning the rotary selector.
USER NOTE
The temporarily changed setting is retained until you press an
operating mode key or until the heating system changes the
operating mode (e.g. to night mode).
See section 4.2, page 14 for information on other ways of
changing the room temperature.
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1
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