Hoval BioLyt 50, BioLyt 70, BioLyt 110, BioLyt 130, BioLyt 150 Operating Instructions Manual
...
United Kingdom
Hoval Ltd.
Northgate
Newark
Nottinghamshire NG24 1JN
Phone +44 1636 67 27 11
Fax +44 1636 67 35 32
Export
Hoval Aktiengesellschaft
Austrasse 70
9490 Vaduz
Principality of Liechtenstein
Phone +423 399 24 00
Fax +423 399 24 11
Subject to modifi cations |
EN
Operating Instructions
BioLyt (50,70,75)
BioLyt (100,110,130,150,160)
Wood pellet boiler
4 212 945 / 00 - 04/14
Figure: BioLyt (100-160)
Figure: BioLyt (50-75)
4 212 945 / 00
2
Table of contents
1. Information about your heating system ............................................................................. 4
1.1 Fuel quality / pellet delivery ................................................................................................................... 4
1.1.1 Fuel quality ................................................................................................................................................ 4
1.1.2 Pellet delivery ............................................................................................................................................ 4
1.2 Important addresses and telephone numbers ..................................................................................... 4
1.3 BioLyt (50-160) wood pellet boiler ......................................................................................................... 4
2. Important information .......................................................................................................... 5
2.1 Key to symbols used .............................................................................................................................. 5
2.2 Safety information ................................................................................................................................... 5
2.3 Entering the pellet storage room, storage tank ....................................................................................5
2.4 Cautionary notes ..................................................................................................................................... 6
3. Functional principle of the heating system ....................................................................... 7
3.1 What happens inside the BioLyt? ......................................................................................................... 9
3.2 How are the pellets extracted and conveyed from the storage room? ............................................ 10
4. Heating system control ..................................................................................................... 11
4.1 What is the function of the boiler controller TopTronic® T ................................................................. 11
4.2 How you can save energy ....................................................................................................................11
4.3 Basic display ......................................................................................................................................... 11
4.4 Operating and display elements .......................................................................................................... 12
4.4.1 Function of the operating elements ......................................................................................................... 12
4.4.2 Basic procedure for changing settings .................................................................................................... 12
4.4.3 What to do if ... ........................................................................................................................................13
4.4.4 Control elements on the boiler control panel ........................................................................................... 14
4.5 Main settings ......................................................................................................................................... 16
4.5.1 Changing the room temperature ............................................................................................................. 16
4.5.1.1 Setting the desired room temperature, day ................................................................................................................16
4.5.1.2 Setting the desired reduced (night-time) temperature ...............................................................................................17
4.6 Operating modes ................................................................................................................................... 18
4.6.1 Function of the operating modes ............................................................................................................. 18
4.6.2 Operating modes for holiday and absence? ............................................................................................ 19
4.6.3 Changing the operating mode - for "HOLIDAY TIL," "ABSENT TIL" and "PARTY TIL" ............................20
4.6.4 Changing the operating mode - for "AUTOMATIC," "SUMMER," "HEATING," "RED. HEATING" and
"STANDBY" ............................................................................................................................................. 21
4.7 Switching times (heating times) .......................................................................................................... 22
4.7.1 Standard heating times ........................................................................................................................... 22
4.7.2 Table for recording individual switching times .........................................................................................22
4.7.3 Changing the switching times (heating times) .........................................................................................23
4.7.4 Copying switching times .......................................................................................................................... 26
4.8 Heating curve ........................................................................................................................................ 28
4.8.1 Heating curve (heating characteristic curve) ........................................................................................... 28
4.8.2 Changing the heating curve (heating characteristic curve) ..................................................................... 29
4.9 Hot water ................................................................................................................................................ 30
4.9.1 Setting the domestic hot water temperature ...........................................................................................30
4.9.2 Manual DHW re-charging ........................................................................................................................ 31
4.9.3 Domestic hot water economy temperature (reduced temperature) ......................................................... 32
4.10 Further settings ..................................................................................................................................... 34
4.10.1 Setting the clock ...................................................................................................................................... 34
4.10.2 Setting the date ....................................................................................................................................... 35
4.10.3 Changing between summer and winter time ........................................................................................... 35
4.10.4 Setting the language ............................................................................................................................... 36
4.10.5 Reloading the standard switching times program - Deleting your own time program ............................. 37
4.10.6 Manual operation ................................................................................................................................... 39
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Table of contents
4.11 System information ............................................................................................................................... 40
4.11.1 Information key for system temperatures and heating circuit information ............................................... 40
4.11.2 Information on the boiler status ............................................................................................................... 41
4.11.3 Displaying and resetting the consumption meters and cleaning messages ............................................ 43
4.11.4 Changing off-periods for the extraction system ....................................................................................... 46
4.11.5 Special symbols ...................................................................................................................................... 49
4.11.6 Maintenance message ............................................................................................................................ 49
4.11.7 Optional accessories ...............................................................................................................................50
5. Fault repair.......................................................................................................................... 51
5.1 Blocking switch and reset button ........................................................................................................ 51
5.2 Display of heating regulator alarms .................................................................................................... 51
5.3 Display of boiler controller alarms ...................................................................................................... 51
5.4 Overview of alarms, heating regulator TopTronic®T ........................................................................... 52
5.5 Overview of alarms, boiler controller .................................................................................................. 54
5.6 Checklist in case of faults .................................................................................................................... 55
6. Checking the water level ................................................................................................... 56
7. Maintenance BioLyt (50-75) ............................................................................................... 57
7.1 Commissioning ..................................................................................................................................... 57
7.2 Regular checks ...................................................................................................................................... 57
7.3 Cleaning the boiler ................................................................................................................................ 57
8. Maintenance BioLyt (100-160) ........................................................................................... 60
8.1 Commissioning ..................................................................................................................................... 60
8.2 Regular checks ...................................................................................................................................... 60
8.3 Cleaning the boiler ................................................................................................................................ 60
9. Emptying the ash box and resetting the counter ............................................................ 63
9.1 Resetting the message "empty ash box" (W:40)................................................................................63
10. How you can save energy ................................................................................................. 64
11. Instructions on proper disposal of individual system components ............................. 64
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Information about your heating system
1. Information about your heating system
Dear heating system owner,
With the purchase of this Hoval BioLyt (50-160)
wood pellet boiler, you have made an excellent choice. It offers you all the advantages of a modern and
efficient heating system.
Please read these instructions carefully. They describe how the boiler works, how it is operated and
serviced.
Further information can be obtained from our Sales
and Service Centres. (See last page for contact details).
1.1 Fuel quality / pellet delivery
1.1.1 Fuel quality
The BioLyt (50-160) wood pellet boiler has been designed for optimum combustion of wood pellets. The
pellets must meet the requirements of at least one
of the standards listed below
• ÖNORM M 7135
• DIN 51731 / HP5 (DINplus)
• SN 166000
• EN 14961-2 / A1 (ENplus/A1)
Hoval recommends ENplus (Class A1):
1.1.2 Pellet delivery
• Do not fill the storage room until after initial com-
missioning of the boiler.
• Switch off the heating system as instructed 15
min. before filling the storage room.
• To measure pellet consumption since the last deli-
very, reset the counter "USAGE 1." You can measure consumption over a specific period of time
(e.g. annual consumption) by always resetting the
counter on a specific date (e.g. January 1). For
further information, see Chapter 4.11.03.
1.2 Important addresses and telephone
numbers
Heating engineer _________________________
________________________________________
________________________________________
Plumber__________________________
________________________________________
________________________________________
Electrician__________________________
________________________________________
________________________________________
Master chimney sweep_________________________
________________________________________
________________________________________
1.3 BioLyt (50-160) wood pellet boiler
To be completed by the heating engineer:
Order No. / Manufacturing No.:_ ________________
Boiler type: _________________________________
Boiler power rating: _______________________ kW
Hot water buffer storage tank size (if present): _____
Calorifier size: ______________________________
Heating pump type: __________________________
Heating regulator type: _______________________
Mixing valves type:___________________________
Calculation basis for heating system
Lowest outside temperature: _________________ °C
Energy demand: _________________________ kW
Max. flow temperature: _____________________ °C
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Important information
• Parents must keep their children
away from the boiler room; the
heating system is not a toy!
• Do not burn unsuitable fuel (see
Chapter 1.1); otherwise, any possible warranty claims will become
invalid.
• Do not carry out any modifications
to the system (possible danger to
persons; possible loss of warranty).
2.3 Entering the pellet storage room,
storage tank
Under unfavourable circumstances, an increased
concentration of harmful gases (such as carbon monoxide) may occur in pellet storage rooms, possibly posing a risk when accumulating over a longer
period of time. Despite the fact that under normal
circumstances, there is no risk at all, the possibility
of such a scenario cannot be ruled out.
• If work is being carried out in filled storage rooms,
a second person must always be present outside
the room for safety reasons.
• The pellet storage room must always be thorough-
ly aerated before anyone enters it.
The storage room must be ventilated for at least
15 minutes. In the case of pellet storage rooms
with a volume of more than 10 t, the duration of
ventilation must be extended or mechanical ventilation provided.
• No-one should enter the storage room in the four
weeks following filling. If it is necessary for persons
to enter the storage room, the room must be ventilated for at least 2 hours before entering.
• It must be ensured that the storage room door
remains open while there are persons inside the
storage room.
• Entering fuel storage rooms that have not been
aerated (particularly underground tanks) must be
avoided, and only trained personnel is permitted to
do so. Before entering the room or tank, the concentration of CO must be measured (the concentration must be less than 30 ppm). If necessary,
thoroughly aerate the storage room or tank before
entering it.
2. Important information
2.1 Key to symbols used
Please pay particular attention to the following symbols used in this operating manual.
Failure to observe instructions to this
effect can lead to danger to persons.
Failure to observe instructions to this
effect can lead to malfunctions or damage to the boiler or the heating system.
i
The marked sections of text contain
information and tips on operating and
running the system.
2.2 Safety information
(Information for the protection of persons)
• Caution
Switch off the heating system as
instructed 15 min. before filling
the storage room.
Press the blocking switch.
• Keep the air supply to the boiler
room open:
Air inlets and outlets must not be
closed. It is important to ensure
that the combustion air required
for correct operation of the boiler
can flow unhindered in order to
protect operating personnel from
an oxygen-depleted atmosphere.
• Do not operate the boiler with the
doors or pellet hopper open (danger of burn-back). In addition, any
sparks emitted from the boiler could
cause a fire.
• The system must be cleaned regularly, otherwise any possible warranty claims will become invalid.
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Important information
• It the storage area is difficult to access or if it is accessible only from above (as in the case of underground tanks), the person entering the tank must
be additionally secured.
• Keep children away from the pellet storage area!
• If there are moving parts (worm conveyors) in the
storage room, turn off the mains switch of the heating system before entering the storage room, as
otherwise there is a risk of injury.
• Smoking, naked flames and other possible sources of ignition are prohibited inside the storage
room.
2.4 Cautionary notes
(Information on the protection of the heating system)
Checking the water level
Check the water level in the system at regular intervals (see Chapter 6).
Filling the heating system
The heating system can normally be filled and topped up with mains water. No chemical additives
should be added to the water. The water quality can
vary greatly in different parts of the country (you can
obtain information about the water quality from your
local water company), and it might not always be
suitable for filling the heating system (highly corrosive or very hard water).
Please contact your heating engineer in such cases
(see also Technical Information).
Circulation pumps
During the periods when no heating is required, the
circulation pumps should be operated for approx. 2
minutes at least once every month. This will prevent
the pumps from seizing up.
Tightness / Burn-back protection
The doors and pellet hopper must be checked for
leaks on an annual basis. Smoke leaks should be
avoided in order to prevent any toxic low-temperature gases from escaping into the boiler room. Moreover, leaky doors or a faulty pellet hopper seal could
cause the embers to burn back into the pellet burner.
.
Operation and cleaning
Periodic cleaning and inspection by the heating engineer or Hoval customer service will not only extend
the service life of the pellet boiler, but also increase
its operating safety and ensure that a high combustion efficiency is maintained.
• In winter mode, the boilers must be cleaned approx. every 2 weeks by means of the special tool
supplied and a vacuum cleaner with ash retainer.
• Pellet storage rooms must be cleaned regularly
(approx. every 3-4 years), and the sawdust which
has accumulated must be disposed of!
• Large-scale pellet-fired systems must be monitored on a daily basis when operated in winter at
full load. The pellet storage rooms and discharge
systems must also be checked for fault-free operation and to ensure that the supply of pellets is
sufficient.
Protecting the boiler
Do not use sprays, solvents, chlorine based cleaning products, paint, adhesives etc. in the proximity
of the boiler. These substances can cause corrosion
inside the boiler and the flue gas system.
Pressure relief valve, backfire protection and
thermal discharge safety device
The correct functioning of the various safety devices
(pressure relief valve on the heating installation,
backfire protection valve on the burner, pellet hopper seal, thermal discharge safety device) must be
checked periodically by the heating engineer.
The heating installation must be inspected regularly
according to local regulations.
For Austria only
In Austria, with industrial plants exceeding 50 kW,
the FAV ordinance for combustion plants must also
be observed.
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Functional principle of the heating system
3. Functional principle of the heating system
It is important that the perfectly coordinated individual components function properly to ensure that your
home stays warm in winter.
FUNCTION:
Burns the pellets safely and in an environmentally friendly manner..
Extracts the heat from the combustion gases and
transfers it to the heating water.
The process of combustion within the boiler converts
the natural energy contained in the pellets into heat.
It is used for intermediate storage of hot heating wa-
ter (max. 90°C). It thus compensates for any differences between heat generation and demand.
Holds a reserve of domestic hot water for household
consumption (e.g. for showering).
Controls and monitors the operation of the boiler.
Maintains the desired room temperature optimally
and fuel-efficiently, independent of the outside temperature.
Releases the heat of the heating water into the room.
Transports the heating water from the boiler to the radiators and back into the boiler, where it is reheated.
Transports the heat which is generated from the boiler to the radiators.
COMPONENTS
Wood pellet
boiler
Pellets
Optional
heating water
buffer storage tank
Storage
calorifier
Boiler controller
with heating regulator
Radiators
underfloor heating, if
fitted
Heating pump
Heating water
and heating pipes
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Functional principle of the heating system
Adjusts the heating flow temperature to the radiator
to maintain the desired room temperature whatever
the outside temperature. This is achieved by mixing
in colder return heating water.
Displays the water pressure in the heating system.
Ensures that the heating pipes contain only heating
water and no air.
Prevents overpressure in the system.
Maintains the pressure in the system at a constant
level and absorbs the expansion water.
Mixing valve
Pressure gauge
Air vent
Safety valve
Membrane expansion
tank
Depending on the type of heating system selected, some of the components might not be present or
others added. The heating engineer will explain the system to you.
Calorifier
Mixing valve
Radiators underfloor heating, if fitted
Heating pump
Wood pellet
boiler
Hot water buffer storage tank (optional)
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Functional principle of the heating system
3.1 What happens inside the BioLyt?
The Hoval BioLyt has been designed for the lowemission combustion of wood pellets in accordance
with ÖNORM M 7135 and DIN 51731, HP5 (or DINplus), as well as EN 14961-2, A1 or ENplus.
The metering screw conveys the wood pellets from
the pellet hopper to the feeder screw via a downpipe with rotary valve. The metering screw adjusts
the amount of pellets conveyed as a function of
the power demand, while the continuously operating feeder screw feeds the pellets into the burner
pipe. Degassing of the pellets takes place in the rear
section of the burner pipe by means of primary air
supplied by the pressure fan. The combustible gas
thus generated is thoroughly mixed with secondary
air (supplied by the induced draught fan) in the front
section, where it burns cleanly and completely with
low emission levels.
The horizontal combustion results in a flame similar to that of an oil or gas burner. The combustion
system achieves an excellent pellet burn-out rate.
Thanks to the large, mostly refractory lined combustion chamber, it is possible to attain a long dwell time
of the hot gases as well as sufficiently high combustion temperatures. These factors contribute to a
further optimisation of the burn-out quality. The heat
exchange between the hot gases and the heating
water takes place by means of the proven thermolytic secondary heating surface. The secondary heating surface is cleaned fully automatically.
The ashes arising as a result of the combustion process are collected in the combustion chamber and
are periodically conveyed to the ash container by the
ash discharge screw.
Fig. 01
Figure: BioLyt (100-160)
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Functional principle of the heating system
3.2 How are the pellets extracted and
conveyed from the storage room?
The pellets are extracted from the storage room by
means of a worm conveyor and then transported to
the pellet hopper on the boiler by means of a vacuum
turbine.
The pellet hopper on the boiler includes two filling
level indicators:
- for the signal “pellet hopper full” / top
- for the signal “pellet hopper empty” / bottom
The pellet hopper can only be filled during the preset
enable time in order to minimise the noise in the
building.
The filling process is started every time the burner
enters burn-out mode or, at the latest, when the bottom fill level indicator signals “empty”.
First, the suction turbine starts up.
Then, the discharge screw starts operating after a
delay of approx. 15 secs.
As soon as the upper filling level indicator sends the
signal for “pellet hopper full”, the discharge screw
is stopped; the suction turbine then stops operating
after a set time delay (for purging the hoses).
The extraction system can be disabled during two
periods of time per day (e.g. to avoid unwelcome
noise during the night). The factory settings are from
12.30 p.m. to 2.30 p.m. and from 9.30 p.m. to 8.00
a.m. To ensure that there is an adequate supply of
pellets to span such off-periods, forced burn-out with
filling of the pellet hopper is carried out 30 min. before
the beginning of every off-period. Off-periods can be
deactivated by setting the beginning and end of the
respective period to 00.00 (see Chapter 4.11.4).
Fig. 02
Discharge screw
Suction turbine under
sound absorbing hood
Screw motor
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Heating system control
4. Heating system control
4.1 What is the function of the boiler
controller TopTronic
®
T
i
The boiler controller, together with the
temperature sensor connected to it, is,
so to speak, the brain of the heating system. Its main functions are:
- maintaining the desired room temperature independent of the outside temperature
- heating the living space when required
- producing warm water (e.g. for showering) only when required
- displaying information
Further functions:
- input of desired temperatures and operating modes
- turning the heat generator ON/OFF
- monitoring temperatures
The correct settings for the heating system have
already been applied by Hoval, or the installer, during commissioning. Any changes to those settings
should only be carried out if you go away on a trip
or if your home is too cold or too warm. You can find
an overview of the most frequently asked questions
and the answers to them in Chapter 4.4.3.
ENERGY
4.2 How you can save energy
i
For your benefit and for the environment,
use energy efficiently and avoid
unneccessary losses:
With little effort, you can optimise the
operation of your system and make it
worth while.
It is worth turning the heating off
again during spells of warm weather
in autumn to prevent your heating sys-
tem generating unnecessary heat when
outside temperatures are low in the mor-
ning and thus overheating your home.
Turning the heating on or off depending
on the weather conditions is one of the
most effective energy-saving measures.
If you want to save yourself the effort of
going down into the cellar, you may want
to consider acquiring a “remote control”
from Hoval, which will allow you to ope-
rate and control the heating comfortably
from your living room.
4.3 Basic display
The basic display shows the day of the week, date
and time as well as the current heat generator temperature or another temperature (system dependent).
4 212 945 / 00
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Heating system control
4.4 Operating and display elements
4.4.1 Function of the operating elements
The central PUSH & TURN button and the labelled keys are designed for easy
and straightforward operation.
PUSH & TURN button:
Change and store values
4.4.2 Basic procedure for changing settings
An example
Select the desired function
Turn the PUSH & TURN button to
select or change the desired parameter (flashing word or number)
Press the Info key at any time to
return to the basic display without
storing the values set
Press the PUSH & TURN button
to store the value set
It is also possible to store the value
using the selected function key.
Function keysFunction keys
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Heating system control
4.4.3 What to do if ...
The following information can be used as a first level support in frequently occurring situations.
Observation Remedy
It is too cold
Set higher values for the room temperature with
and the rotary button
(Chapter 4.4.1).
It is too warm
Set lower values for the room temperature with
and the rotary button
(Chapter 4.4.1).
From now on, equal day
and night temperatures
should be maintained
continuously
Use
to set the operating mode to "HEATING" (Chapter 4.6.1, 4.6.4).
This evening, I want the
heating to remain on for
longer
Use
to set the operating mode to "PARTY" and set the desired time
(Chapter 4.6.1, 4.6.3).
I require a larger amount
of hot water at the moment
Press
for 3 seconds and set the additional re-charging time (Chapter
4.9.2).
From now on, hot water
but no heating is required
Use
to set the operating mode to "SUMMER" (heating off, hot water
only) (Chapter 4.6.1, 4.6.4).
Suddenly, there is no
heating or hot water; it
is cold.
Check the heating regulator and boiler controller for alarms (Chapter 5.2, 5.3)
and consult a heating engineer if necessary
The room temperature
setpoint requires frequent adjustments because it is too cold or
too hot
Change the set heating curve (Chapter 4.8.2).
Changing the heating curve does not make sense if your system is fitted with
a room air sensor (or room station) and an outside sensor. The correct settings
for the heating curve are then provided automatically. Consult a specialist if
necessary.
I will be absent for several hours during the day
today
Use
to set the operating mode to "ABSENT TIL" and set the time of
your return (Chapter 4.6.1 - 4.6.3).
I am going away on a
short trip (e.g. 3 days)
Use
to set the operating mode to "HOLIDAY TIL" and set the date
of your return (Chapter 4.6.1 - 4.6.3).
I am going away for an
indefinite period of time
Use
to set the operating mode to "RED. HEATING."
On your return, use
to set operating mode "AUTOMATIC"
(Chapter 4.6.1, 4.6.2, 4.6.4).
In summer, it is too cold
or too warm.
Indicates that the summer disconnection is active. If it is too cold for you, use
to set operating mode "HEATING" (Chapter 4.6.1, 4.6.4).
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Heating system control
4.4.4 Control elements on the boiler control panel
1
5
9
10
Key Designation Function
1
Blocking switch
Switch off and block the boiler
(e.g for cleaning).
2
Daytime room temperature Set the daytime room temperature. Chap. 4.5.1.1
3
Reduced
room temperature
Set the night-time room temperature (reduced heating). Chap. 4.5.1.2
4
Domestic hot water temperature
Set the domestic hot water temperature. Manual DHW
re-charging. Chap. 4.9.1, 4.9.2
5
Push & Turn button
Change the values by turning. Acknowledge the values by pressing. Select functions by pressing and
turning.
6
Information key
• Show operating data on the display
• Return to the basic display without saving
the values.
Ex. 4.11.1
7
Heating characteristics Set the heating curve Chap. 4.8.2
8 67
A 2nd electronic heating
regulator can be installed
here (for 2nd residential
unit) if required.
2
3
4
12
11 13
14
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Heating system control
Key Designation Function
8
Operating mode
selection key
Select the operating modes
Holiday
Turn off the heating system while you are on holiday
(frost protection) Chap. 4.6.1 - 4.6.3
Absence
Switch off the heating temporarily Chap. 4.6.1 - 4.6.3
Party
Extend heating operation Chap. 4.6.1 - 4.6.3
Automatic
Automatic heating according to the preset heating
times = normal heating operation Chap. 4.6.1, 4.6.4
Summer
Hot water only, heating off Chap. 4.6.1, 4.6.4
Heating
Constant heating mode Chap. 4.6.1, 4.6.4
Reduced heating
Constant reduced heating operation
Chap. 4.6.1, 4.6.2, 4.6.4
Standby
System off - frost protection active
Chap. 4.6.1, 4.6.2, 4.6.4
9
Manual mode / emission
measurement
For heating technician only or for preliminary acknowledgement of a maintenance prompt (see chap.
4.11.6).
10
Display
The basic display shows the day of the week, date
and time, as well as the current heat generator temperature or another temperature (system-dependent).
2
1
3
4
6
7
5
Possible readouts:
1 Active heating time 24h
2 Day display
3 Display of the active operating state and the clock
programme
4 Time
5 Selected operating mode
6 Date / Day / Month / Year
7 Heat generator temperature or another temperature
(system-dependent)
11
Control panel fuse,
under the hinged cover
Check the 6.3 A fuse if all displays remain dark. This
may only be done by the heating technician!
12
Reset button,
under the hinged cover
Press the Reset button under the hinged cover if the
display shows “Error.” If this happens frequently, notify
your Customer Service centre.
13
Brief operating instructions
in the hinged cover
Special brief operating instructions are provided with
the boiler controller.
14
Burner fault light Press the Reset button (see no. 12)
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Heating system control
4.5 Main settings
4.5.1 Changing the room temperature
4.5.1.1 Setting the desired room temperature, day
Start - Basic display
Tap the “Daytime room temperature” key.
The daytime room temperature setpoint flashes.
Set the desired room temperature
by turning the “PUSH & TURN button.”
The new “Daytime room temperature” setpoint appears on the display.
Tap the "Daytime room temperature" key to acknowledge the temperature setpoint.
Mo 16 AUG.'04
14 / 00 / 62.5
ROOM DAY
20.0
c
ROOM DAY
22.0
C
These adjustments can also be
carried out on a room station.
If “MC1” is shown on the display,
you need to select the heating circuit.
(Information on which heating circuit to select for your home can be
found on page 4 of these instructions).
i
i
1
2
3
4
5
6
Setting range 5 - 30°C
(Factory setting 20°C)
i
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Heating system control
4.5.1.2 Setting the desired reduced (night-time) temperature
Mo 16 AUG.'04
14 / 00 / 62.5
ROOM NIGHT
20.0
C
ROOM NIGHT
18.0
C
1
2
3
4
5
6
Start - Basic display
Tap the “Reduced room temperature” key.
The night-time room temperature
setpoint flashes.
Set the desired room temperature
by turning the “PUSH & TURN button.”
The new “Reduced room temperature” setpoint appears on the display.
Tap the "Reduced room temperature" key to acknowledge the temperature setpoint.
If “MC1” is shown on the display,
you need to select the heating circuit.
i
Setting range 5 - 30°C
(Factory setting 16°C)
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Operating mode
HOLIDAY
ABSENT
PARTY
AUTOMATIC
SUMMER
HEATING
RED. HEATING
STANDBY
Function
- Heating system off while you are on holiday.
- Room temperature set to minimum (10°C).
- Calorifier frost protected (5 °C).
- Heating system OFF
(heating temporarily switched off until set time).
- Room temperature set to minimum (10°C).
- Calorifier frost protected (5 °C).
- Extend heating operation (daytime room temperature) up to set day/night time (you do not want
to reduce the room temperature at the preset
time).
- Automatic heating mode according to the heating
times set in the 1st switching times program =
normal heating mode.
- Heating system OFF
- DHW is produced at the times set in the switching
times program (for showering, etc.)
- Frost protection active.
- The room temperature is not reduced during the
night.
- The rooms are continuously heated at the set
“daytime room temperature"
.
- DHW mode according to switching program.
- The rooms are continuously heated at the "Reduced room temperature."
- Continuous reduced heating mode.
- Heating system OFF.
- Frost protection active.
- No DHW mode.
4.6 Operating modes
4.6.1 Function of the operating modes
Application
You are going on holiday for e.g. 1 week and you
know the date of your return.
Chap. 4.6.2, 4.6.3
You leave home in the morning and come back
in the evening.
Chap. 4.6.2, 4.6.3
You have guests in the evening.
Chap. 4.6.3
You want to heat as cost effectively and efficiently as possible.
Chap. 4.6.4
Heating the rooms is unnecessary due to the
high outside temperatures.
Chap. 4.6.4
You would like to heat the rooms during the
night, too.
Chap. 4.6.4
You are going away for an indefinite period of
time.
Chap. 4.6.2, 4.6.4
You are travelling for an indefinite period of time
in spring or in autumn. It does not matter if the
rooms are cold on your return. You do not need
warm water on your return. Chap. 4.6.2, 4.6.4
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End of holiday = Return date. Normal heating is resumed on the day of your return!
Setting range: current date + 250 days.
To switch back to automatic mode prematurely - press the "operating mode selection key"
for 3 seconds.
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Setting range: 0.5 - 24 h.
To switch back to automatic mode prematurely - press the "operating mode selection key"
for 3 se-
conds.
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Setting range: 0.5 - 24 h.
To switch back to automatic mode prematurely - press the "operating mode selection key"
for 3 se-
conds.
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Factory setting:
Heating: 06.00 - 22.00
Reduced heating: 22.00 - 06.00
Domestic hot water: 05.00 - 22.00
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Factory setting for domestic hot water: 05:00 - 22:00
Operating mode “Summer” cannot be selected if each heating circuit is adjusted separately.
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Heating system control
4.6.2 Operating modes for holiday and absence?
Depending on how long you will be away and what your requirements are with regard to comfort, there are different operating modes available for interrupting or reducing the heating. In any case, you will save a lot of energy and money if the rooms
are not heated or heated less during your absence.
The following table is intended as a guide for finding the best operating mode for
each particular case:
For a detailed description of how to set the operating modes, see Chap. 4.6.3, 4.6.4.
You can return to the “AUTOMATIC” function (normal heating mode) at any time by “pressing”
for 3 sec.
Application
You are going on holiday for
e.g. 1 week and you know the
date of your return.
You leave home in the morning and come back in the
evening.
You will be away for an indefinite period of time and want
the living area to be at the set
reduced temperature on your
return.
You will be away for an indefinite period of time during
spring or autumn and you
don’t mind if your home is
cool on your return.
Operating mode
"HOLIDAY TIL"
Heating system and DHW off
while you are on holiday.
"ABSENT TIL"
Heating interrupted temporarily
"RED. HEATING"
Continuous reduced heating
mode
"STANDBY"
System off - frost protection
active
Function
- Heating system OFF / Calorifier frost protected (5°C)
- Room temperature set to minimum (10°C)
Setting range:
from current date
to 250 days in
the future!
End of holiday = Return date.
Normal heating is resumed on
the day of your return!
Early return:
Press
for 3 sec. to return
to dann "AUTOMATIC" (Chap.
4.6.1, 4.6.3).
Heating temporarily interrupted
until set time.
Setting range: 0.5 - 24h
Continuous reduced heating
and DHW mode (reduced, see
Chap. 4.9.3) around the clock.
The entire heating system is
switched off and frost-protected.
Calorifier is frost-protected!
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Tap the “Operating mode selection”
key.
“OP. MODE” is displayed briefly.
The currently active operating
mode is then shown flashing on the
display.
Set the desired operating mode by
turning the “PUSH & TURN button”:
The selected operating mode (e.g.
"HOLIDAY TIL") is shown flashing
on the display.
Tap the “PUSH & TURN button” to
acknowledge the selected operating mode.
Today’s date (“HOLIDAY TIL”) or
the current time (“ABSENT TIL”,
“PARTY TIL”) is shown flashing on
the display.
Turn the “PUSH & TURN button”
and select:
Tap the “PUSH & TURN button” to
acknowledge the setting.
4.6.3 Changing the operating mode - for "HOLIDAY TIL," "ABSENT TIL" and "PARTY TIL"
Procedure for activating the operating modes “HOLIDAY TIL”, “ABSENT TIL” or “PARTY TIL”.
OP. MODE
AUTOMATIC
HOLIDAY TIL
HOLIDAY TIL
27.08
1
2
3
4
5
6
A black rectangle in the lower section of the display points to the corresponding symbol!
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7
8
9
- for “HOLIDAY TIL”, the date on
which you return from your holiday.
- for “ABSENT TIL”, the expected
time of your return (within max.
24h).
- for “PARTY TIL”, the time the party is expected to end.
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"HOLIDAY TIL,"
"ABSENT TIL"
or "PARTY TIL."
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