Wolf BM-2 Instruction Manual

Wolf GmbH •Postfach 1380 •D-84048 Mainburg •Tel. [phone] •Fax [phone] •Internet: www.
wolf-heiztechnik.gb
Document no.: 3064202_201602 Subjecttotechnicalmodications
GB
Vorlage Montageanleitungen_Umschlag 13.11.12 10:21 Seite 1
GB
WolfGmbH•Postfach1380•D-84048Mainburg•Tel.[phone]•Fax[phone]•Internet:www.wolf-heiztechnik.de
Document no.: 3064202_201602 Subjecttotechnicalmodications
Operating instructions for users
BM-2 programming unit
14:12 20.01.13
1.5 bar
25.2 °C
1 x
Heating appliance
Heating appliance
Heating mode
Pressure
Burner ON
4.5 °C
1 x
Simpliedmode
Heating mode
Outside
ON
2,22 bar
Pressure
43.5 °C
Boiler
14:12 25/08/2015
+4
+3
+2
+1
0
-1
-2
-3
-4
Operating option - simplied mode
Operating option - extended mode
From FW 2.00

2 3064202_201602
Table of contents
1 Appliance description 5
2 Safety and regulations 6
2.1 General safety instructions 6
2.2 Standards / directives 6
2.3 Installation / commissioning 6
2.4 CE designation 6
2.5 Symbols and warnings 7
2.5.1 Layout of warnings 7
3 Overview of the BM-2 programming unit 8
4 Quick start keys/rotary selector 9
5 Simpliedmode 10
6 Overview of status pages - extended mode 12
7 Heating appliance status page 13
7.1 Using the 1 x key for 1x DHW heating 13
7.2 Using the key for emissions test mode 14
8 DHW status page 15
8.1 Changing the set DHW temperature 15
8.2 Changing the DHW operating mode 15
9 Heating circuit status page 16
9.1 Changing the set heating circuit temperature 16
9.2 Changing the heating circuit operating mode 16
10 Mixer status page 17
10.1 Changing the set mixer circuit temperature 17
10.2 Changing the mixer circuit operating mode 17
11 Solar thermal system status page 18
12 Ventilation unit status page 19
12.1 Changing the operating mode / Start - End / ON - OFF 19
Table of contents

3064202_201602 3
13 Messages status page 20
13.1 Procedure for faults 20
13.2 Procedure for warnings 20
13.3 Acknowledging faults for users 20
14 Main menu overview 21
14.1 Display of set / actual temperatures (chapter 15) 21
14.2 Default settings (chapter 16) 21
14.3 Time programs (chapter 17) 21
14.4 Contractor level (chapter 18) 21
15 Set / actual temperature display 22
16 Default settings overview 23
16.1 Heating appliance 23
16.1.1 DHW operating mode 23
16.2 Heating circuit / mixer circuits 1-7 24
16.2.1 Setting economy factor in economy mode 24
16.2.2 Setting winter/summer changeover 25
16.2.3 Setting ECO ABS 25
16.2.4 Setting day temperature (room temperature) 25
16.2.5 Setting room inuence 25
16.3 Language 26
16.4 Time 26
16.5 Date 26
16.6 Winter/summertime 27
16.7 Minimum backlighting 27
16.8 Screensaver 27
16.9 Key lock 27
16.10 User interface 27
Table of contents

4 3064202_201602
17 Time programs 28
17.1 Symbols for the quick start keys 29
17.2 Symbols for possible changes using the rotary selector 30
17.3 Symbols in the status display 32
17.4 Symbols in the time programs submenu 33
18 Party key 34
19 Temporary setback mode 35
20 Winter mode setting (example) 36
21 Summer mode setting (example) 37
22 Energy saving tips 38
23 Glossary 40
24 Documentation information 42
24.1 Other applicable documents 42
24.2 Safekeeping of these documents 42
24.3 Applicability of these instructions 42
24.4 Maintenance / cleaning 42
Table of contents

3064202_201602 5
Appliance description
1 Appliance description
fIntended use
The Wolf BM-2 programming unit is for use exclusively in conjunction with Wolf
heating appliances and Wolf accessories.
The Wolf BM-2 programming unit is used to control the entire heating system and
to set specic heating parameters.
Intended use also includes observing the operating instructions and all other
applicable documents.
Please note:
• The BM-2 programming unit can also be installed as a remote control, which
requires the integration of an AM display module in the heating appliance.
fIncorrect use
Any use other than the intended use is not permissible. Any other use or changes
to the product at any time including during tting and installation invalidate all
warranty claims. The user has sole liability for such use.
This appliance is not designed to be operated by persons (including children)
with restricted physical, sensory or mental capacities or who lack the necessary
experience and/or knowledge, unless they are supervised by a person responsible
for their safety or have received instructions on how to use the appliance from this
person.
14:12 20.01.2013
1.5 bar
25.2 °C
1x
Heating appliance
Heating appliance
Heating mode
Pressure
Burner ON

6 3064202_201602
Safety and regulations
2 Safety and regulations
The general safety instructions must be observed.
2.1 General safety instructions
The BM-2 programming unit must be installed and commissioned by a qualied
contractor.
fBefore installing the BM-2, disconnect the power supply from the heating appliance
and all connected components.
fBe aware that there is mains power to the electrics, even when the heating
appliance mains isolator is off.
fOnly replace damaged or faulty components with original Wolf spare parts.
fDo not remove, bypass or disable any safety and monitoring equipment.
fOnly run the system when it is in perfect technical condition.
fImmediately rectify any faults and damage that impair safety.
fIf the domestic hot water temperature is set above 60 °C, install a thermostatic
water mixer.
fRoute mains power cables with a voltage of 230 V in a physically separate place to
the eBUS cables.
fElectronic assemblies can be damaged by an electrical discharge. Touch earthed
objects, e.g. heating or water pipes, before carrying out any work, in order to
discharge the static charge.
2.2 Standards / directives
The appliance and control accessories comply with the following regulations:
EC Directives
f2006/95/EC Low Voltage Directive
f2004/108/EC EMC Directive
EN Standards
fEN 55014-1 Emission
fEN 55014-2 Immunity
fEN 60335-2-102
fEN 60529
2.3 Installation / commissioning
fAccording to EN 50110-1, only qualied electricians may carry out the installation
and commissioning of the heating control unit and connected accessories.
fObserve all local and electrical regulations.
fObserve all regulations regarding the installation of HV systems up to 1000 V.
fObserve all local regulations regarding the installation of electrical systems.
2.4 CE designation
With the CE designation, we as the manufacturer conrm that the BM-2
programming unit conforms to the basic requirements of the Electromagnetic
Compatibility Directive (Council Directive 2004/108/EEC). The BM-2 programming
unit fulls the basic requirements of the Low Voltage Directive (Council Directive
2006/95/EEC).

3064202_201602 7
Safety and regulations
2.5 Symbols and warnings
Symbol for additional information
fSymbol for a necessary action
Warnings in the text warn you of possible risks before the start of an instruction.
The warnings provide you with information on the possible severity of the risk using
a pictogram and a keyword.
Pictogram Keyword Explanation
Danger! Risk to life or risk of serious injury
Danger! Risk to life or risk of serious injury
through electrocution
Warning Slight risk of injury
Caution Possible material damage
Table 2.1 Meaning of warnings
2.5.1 Layout of warnings
You will recognise warnings in these instructions by pictograms and a line above
and below the warning section. These warnings are laid out as follows:
Keyword
Type and source of risk.
Explanation of the risk.
fInstruction to prevent the risk.

8 3064202_201602
Overview of the BM-2 programming unit
3 Overview of the BM-2 programming unit
Operating option - extended mode (EM)
Key 1
Key 2
Key 3
Key 4 14:12 20.01.13
1.5 bar
25.2 °C
1 x
Boiler temperature
Heating appliance
Heating mode
Pressure
Status display
Page heading
Time Date
Rotary selector with
pushbutton function
Function display
Quick start keys
System data display
(content varies)
Quick start keys
Operating mode
Burner status
Burner ON
eBUS connection
No eBUS connection
Operatingoption-simpliedmode(SM)
4.5 °C
1 x
Simpliedmode
Heating mode
Outside
ON
2.22 bar
Pressure
43.5 °C
Boiler
14:12 25/08/2015
+4
+3
+2
+1
0
-1
-2
-3
-4
After switching on the heating appliance, the software loads, and a progress bar and the Wolf logo appear. You are
then taken to the start page (home page).
During commissioning, the commissioning assistant is displayed (see chapter 36).
An automatic restart of all BM-2 units in the WRS is also performed after the following actions
− Change to a system conguration (heating appliance / extension module)
− Change to a function in the BM-2 (contractor – system)
FW x.xx
Software version

3064202_201602 9
Quick start keys/rotary selector
4 Quick start keys/rotary selector
The 4 quick start keys and the rotary selector are used to program the BM-2.
The following settings can be congured using the quick start keys:
− Key 1 – without function display, no function
− Key 2 – variable functions (e.g. once-only DHW heating)
− Key 3 – variable functions (e.g. enabling emissions test)
− Key 4 – home key
Turn the rotary selector
to switch between the individual status pages.
−Heating appliances
−DHW
−Heating circuit
− Mixer
− Solar yield
− Ventilation unit
− Messages
The main menu of the display, default settings, time programs and contractor level are enabled by pressing the
rotary selector; the navigation is explained in the following chapter.
Activation and operation in the
main menu / submenu / menu item
Operating procedure:
Press the rotary selector to access the main menu page. Press the again to access the
submenu, and once more to access the menu item.
The following actions are possible:
Clockwise rotation Cursor moves down through the menu
Selected value is increased
Selected parameter is increased
Anti-clockwise rotation Cursor moves up through the menu
Selected value is decreased
Selected parameter is decreased
Press rotary selector Menu selection is conrmed or enabled
Selected value is conrmed or enabled
Selected parameter is conrmed or enabled
Selected function is executed or enabled
For visual orientation, a cursor is displayed that shows the current position in the display. Press the rotary selector
once to highlight the currently selected item for editing. Turn the rotary selector to change the value, parameter or
function. Press the selector again to conrm the value.

10 3064202_201602
Simpliedmode
5 Simpliedmode
Overview:
Quickstartkeysandrotaryselectorwithpushbuttonfunctioninsimpliedmode
Key 1
Key 2
Key 3
Key 4
4.5 °C
1 x
Simpliedmode
Heating mode
Outside
ON
2.22 bar
Pressure
43.5 °C
Boiler
14:12 25/08/2015
+4
+3
+2
+1
0
-1
-2
-3
-4
Rotary selector
with
pushbutton
function
Descriptionofkeys1-4insimpliedmode
Key 1 No function
Key 2 Program selection - scrolls up the operating mode list
Key 3 Program selection - scrolls down the operating mode list
Key 4 1 x
The special function 1x DHW bypasses the programmed switching times and heats up
all DHW cylinders once, for one hour, to the set DHW temperature.
Press key 4 again to disable once-only DHW heating.
Descriptionofrotaryselectorwithpushbuttonfunctioninsimpliedmode
Rotary
selector
with
pushbutton
function
Turn clockwise Corrects temperature upwards; see description in chapter 30.2
Turn anti-
clockwise Corrects temperature downwards; see description in chapter 30.2
Press Opens the main menu

3064202_201602 11
Simpliedmode
Six operating modes are available:
Automatic timer mode:
Heating mode in programmed times
DHW heating in programmed times
DHW circulation pump in programmed times
Summer mode:
Heating system not in operation
DHW heating in programmed times
Frost protection active
Anti-seizing function active
Continuous operation:
Heating mode 24 hours
DHW heating in programmed times
DHW circulation pump in programmed times
Setback mode:
Heating mode with low temperature
DHW heating in programmed times
DHW circulation pump in programmed times
Standby mode:
Heating system not in operation
DHW heating not in operation
Frost protection active
Anti-seizing function active
Press the emissions test key to access emissions test mode
Emissions test mode is only necessary for the ue gas test.
Notes:
Simplied mode cannot be selected if a CWL or an ISM7/8 is connected to the WRS.
To exit simplied mode, press the rotary selector with pushbutton function (main menu). Turn and press to select
the default settings, call up the user interface and select "extended mode".
For extended mode (EM), see chapter "Overview of status pages".
In simplied mode, some setting options are not available
- Party function (temporary heating mode)
- Setback mode (date and time-controlled setback mode)

12 3064202_201602
Overviewofstatuspages-extendedmode
6 Overview of status pages - extended mode
Turn the rotary selector to display the different status pages. This enables the installed
heating appliances and extension modules with the associated congurations.
9 - Heating appliance Setting options Info regarding system data
− Once-only DHW heating − Operating mode
− Emissions test mode
(BM-2 in heating appliance)
−Burner status
− Call up home page −Heating appliance temp.
−System pressure
−Burner output
10 - DHW Setting options Info regarding system data
− Change set DHW temperature − Selected DHW temperature
− Change operating mode − Selected operating mode
− Call up home page −DHW temp.
−Set DHW temperature
11 - Heating circuit Setting options Info regarding system data
− Change set heating circuit temperature − Selected temperature
− Change operating mode − Selected operating mode
− Call up home page −Room temperature
(BM-2 as remote control)
− Outside temperature
(with outside temp. sensor in
WRS)
− Flow temperature
12 - Mixer Setting options Info regarding system data
− Change set mixer circuit temperature − Selected temperature
− Change operating mode − Selected operating mode
− Call up home page −Room temperature
− Outside temperature
− Flow temperature
13 - Solar Display Info regarding system data
− Monthly yield −Collector temperatures
− Annual yield − Cylinder temperatures
14 - Ventilation unit Setting options Info regarding system data
− Change operating mode − Selected operating mode
− Call up home page − Air ow rate / extract air temp.
15 - Messages Setting options Info regarding system data
− Acknowledging faults for users −Current faults
− Acknowledging faults for contractors
(locking faults)
Only values from connected modules and heating appliances are
displayed.

3064202_201602 13
Heating appliance status page
7 Heating appliance status page
If a KM module is integrated in the Wolf control system (WRS), then up to 4 heating appliances can also be
connected. Each heating appliance is then displayed with its own status page.
7.1 Using the 1 x key for 1x DHW heating
The special function 1x DHW bypasses the programmed switching times and heats up the DHW cylinder once,
for one hour, to the set DHW temperature.
− Once-only DHW heating (displayed for all heating appliances)
− All connected DHW cylinders are heated
− Press key 2 again to disable once-only DHW heating
− You are taken back to the home page after 5 seconds
Key 2
14:12 20.01.13
1.5 bar
1 x
Once-only
DHW heating
enabled
Heating appliance
Heating mode
1 x
Burner ON
Pressure
14:12 20.01.13
1.5 bar
25.2 °C
1 x
Boiler temperature
Heating appliance
Heating mode
Burner ON
Pressure
1x DHW heating
enable
Screen display
changes
Key 2
14:12 20.01.13
1.5 bar
25.2 °C
1 x
Boiler temperature
Heating appliance
Heating mode
Burner ON
Pressure
1x DHW heating
disable
14:12 20.01.13
1.5 bar
1 x
Once-only
DHW heating
disabled
Heating appliance
Heating mode
1 x
Burner ON
Pressure
Screen display
changes

14 3064202_201602
Heating appliance status page
7.2 Using the key for emissions test mode
− Variable functions (e.g. enabling emissions test).
− Emissions testing is only displayed if the BM-2 is installed in the heating appliance.
Once the emissions test function (key 3) has been enabled, the burner runs for 15 minutes and the time counts
down on the display. The time can be extended back to 15 minutes by pressing key 3 again.
Key 2
14:12 20.01.13
1.5 bar
25.2 °C
1 x
Boiler temperature
Heating appliance
Heating mode
Burner ON
Pressure
Key 3
Key 4
Back one level
Extend time
Home page
14:12 20.01.13
20 °C
40.0 °C
T_return
Boiler temperature
Flue gas test
Flue gas test active
08 min
Rem. time
14:12 20.01.13
20 °C
40.0 °C
T_return
Boiler temperature
Flue gas test
Flue gas test active
15 min
Rem. time
Key 3
14:12 20.01.13
1.5 bar
25.2 °C
1 x
Boiler temperature
Heating appliance
Heating mode
Heating mode ON
Pressure Flue gas test
Screen display
changes
Screen display
changes
Screen display
changes
Screen display
changes
14:12 20.01.13
20
40.0 °C
T_return
Boiler temperature
Flue gas test
Flue gas test active
15 min
Rem. time
14:12 20.01.13
20 °C
40.0 °C
T_return
Boiler temperature
Flue gas test
Flue gas test active
08 min
Rem. time
14:12 20.01.13
20 °C
40.0 °C
T_return
Boiler temperature
Flue gas test
Flue gas test active
08 min
Rem. time
"White" ame =
lower load (20 %)
"Red" ame =
upper load (100 %)
14:12 20.01.13
20
40.0 °C
T_return
Boiler temperature
Flue gas test
Flue gas test active
15 min
Rem. time

3064202_201602 15
DHW status page
8 DHW status page
Up to 8 cylinders can be connected to the WRS. DHW heating for each cylinder is controlled by its own status
page.
8.1 Changing the set DHW temperature
8.2 Changing the DHW operating mode
(For description of operating modes, see chapter)
Return to the home page
14:12 20.01.13
DHW
25, 30, 35, 40, 45, 50, 55, 60, 65
50.0
Change using rotary selector
Conrm with OK
Key 3
14:12 20.01.13
DHW
Continue with rotary selector
Conrm with OK
1x reheat
Automatic mode
Constant op.
Standby
1 x
14:12 20.01.13
50.0 °C
50.0 °C
Set
DHW
DHW
ON
25, 30, 35, 40, 45, 50, 55, 60, 65
Key 4
14:12 20.01.13
1.5 bar
25.2 °C
1 x
Pressure
Boiler temperature
Heating appliance
Heating mode
Burner ON
Change
Conrm
14:12 20.01.13
50.0 °C
50.0 °C
Set
DHW
DHW
ON
25, 30, 35, 40, 45, 50, 55, 60, 65
Key 2
Change
Conrm
14:12 20.01.13
50.0 °C
50.0 °C
Set
DHW
DHW
ON
25, 30, 35, 40, 45, 50, 55, 60, 65
14:12 20.01.13
50.0 °C
50.0 °C
Set
DHW
DHW
ON
25, 30, 35, 40, 45, 50, 55, 60, 65
Home page

16 3064202_201602
Heating circuit status page
9 Heating circuit status page
9.1 Changing the set heating circuit temperature
(For description of temperature selection, see chapter)
9.2 Changing the heating circuit operating mode
(For description of operating modes, see chapter)
Return to the home page
Key 3
Key 4 14:12 20.01.13
1.5 bar
25.2 °C
1 x
Pressure
Boiler temperature
Heating appliance
Heating mode
Burner ON
Change
Conrm
Key 2
Change
Conrm
Home page
14:12 20.01.13
20.0 °C
Room
Heating circuit
OFF
-4, -3, -2, -1, 0, +1, +2, +3, +4
40.0 °C
Flow
16.0 °C
Outside
14:12 20.01.13
20.0 °C
Room
Heating circuit
OFF
-4, -3, -2, -1, 0, +1, +2, +3, +4
40.0 °C
Flow
16.0 °C
Outside
14:12 20.01.13
20.0 °C
Room
Heating circuit
OFF
-4, -3, -2, -1, 0, +1, +2, +3, +4
40.0 °C
Flow
16.0 °C
Outside
14:12 20.01.13
20.0 °C
Room
Heating circuit
OFF
-4, -3, -2, -1, 0, +1, +2, +3, +4
40.0 °C
Flow
16.0 °C
Outside
14:12 20.01.13
Heating circuit
Continue with rotary selector
Conrm with OK
Party function
Setback mode
Automatic mode
Heating mode
Economy mode
Standby
14:12 20.01.13
Heating circuit
+1
Change using rotary selector
Conrm with OK
-4, -3, -2, -1, 0, +1, +2, +3, +4

3064202_201602 17
Mixer status page
10 Mixer status page
Up to 7 mixer modules can be connected to the WRS and operated via the BM-2. Each mixer module is controlled
via its own status page.
10.1 Changing the set mixer circuit temperature
(For description of temperature selection, see chapter)
10.2 Changing the mixer circuit operating mode
(For description of operating modes, see chapter)
Return to the home page
14:12 20.01.13
20.0 °C
Room
Mixer
OFF
-4, -3, -2, -1, 0, +1, +2, +3, +4
25.0 °C
Flow
16.0 °C
Outside
1
14:12 20.01.13
Mixer
+1
Change using rotary selector
Conrm with OK
-4, -3, -2, -1, 0, +1, +2, +3, +4
1
14:12 20.01.13
Mixer
Continue with rotary selector
Conrm with OK
Party function
Setback mode
Automatic mode
Heating mode
Economy mode
Standby
1
Key 3
Key 4 14:12 20.01.13
1.5 bar
25.2 °C
1 x
Pressure
Boiler temperature
Heating appliance
Heating mode
Burner ON
Change
Conrm
Key 2
Change
Conrm
Home page
14:12 20.01.13
20.0 °C
Room
Mixer
OFF
-4, -3, -2, -1, 0, +1, +2, +3, +4
25.0 °C
Flow
16.0 °C
Outside
1
14:12 20.01.13
20.0 °C
Room
Mixer
OFF
-4, -3, -2, -1, 0, +1, +2, +3, +4
25.0 °C
Flow
16.0 °C
Outside
1
14:12 20.01.13
20.0 °C
Room
Mixer
OFF
-4, -3, -2, -1, 0, +1, +2, +3, +4
25.0 °C
Flow
16.0 °C
Outside
1

18 3064202_201602
Solar thermal system status page
11 Solar thermal system status page
The solar thermal system settings are only displayed if a solar module has been recognised.
Actual collector temperature / actual cylinder temperature
(Thesolarthermalsystemdiagramisdependentonthecongurationsetinparameter
SOL12)
Monthly yield
Annual yield
Return to the home page
14:12 20.01.13
1.5 bar
25.2 °C
1 x
Pressure
Boiler temperature
Heating appliance
Heating mode
Burner ON
Display
Display
Home page
Key 3
Key 4
Key 2
14:12 20/01/2015
Solar thermal system
14:12 20/01/2015
Solar thermal system
14:12 20/01/2015
Solar thermal system
60
52
60
52
60
52
14:12 20/01/2015
Solar thermal system
60
52
14:12 20/01/2015
Solar thermal system
2010 - 2013
1000
Annual solar yields
14:12 20/01/2015
Solar thermal system
Monthly solar yields
01 02 03 04 05 06 07 08 09 10 11 12
1000

3064202_201602 19
Ventilation unit status page
12 Ventilation unit status page
The ventilation unit status page is only displayed if a CWL Excellent is connected to the WRS.
Please note: Parallel operation in conjunction with a BML is not possible.
12.1 Changing the operating mode / Start - End / ON - OFF
(For description, see chapter)
For pre-programmed switching times in automatic mode,
see chapter 19.1
Return to the home page
Key 4
14:12 20.01.13
1.5 bar
25.2 °C
1 x
Pressure
Boiler temperature
Heating appliance
Heating mode
Burner ON
Home page
14:12 20.01.13
49 m³/h
Airowrate
OFF
22.2 °C
Ext. air
Ventilation unit
Key 3
Change
Conrm
Call up
Select
14:12 20.01.13
Ventilation unit
Turn to change values
Press to conrm
Start: 18.01.2014 11:03
End: 19.01.2014 12:15
OFF
ON
Tempor. moist. prot. enabled
14:12 20.01.13
Continue with rotary selector
Conrm with OK
Automatic mode
Tempor. moist. prot.
Reduced vent.
Std ventilation
Tempor. intens. vent.
Ventilation unit
14:12 20.01.13
49 m³/h
Airowrate
OFF
22.2 °C
Ext. air
Ventilation unit
Change
Conrm
14:12 20.01.13
49 m³/h
Airowrate
OFF
22.2 °C
Ext. air
Ventilation unit

20 3064202_201602
Messages status page
13 Messages status page
13.1 Procedure for faults
− Read fault message
− Possible causes for the fault and remedies can be found in the "Faults" chapter
− Determine and remedy the cause of the fault
A fault can be cleared on the fault message status page by pressing key 4.
BM-2 installed in the heating appliance.
− Check that the system is functioning correctly
13.2 Procedure for warnings
− Read warning message
− Possible causes for the warning and remedies can be found in the "Faults" chapter
− Determine and remedy the cause of the warning message
− With warnings there is no need to acknowledge the fault
− Check that the system is functioning correctly
13.3 Acknowledging faults for users
In case of a fault, the current fault is displayed along with the fault code, date and time.
The fault can be cleared by pressing the "acknowledge" key.
14:12 20/01/2015
Message
Heating appliance 1
Fault 4
19.02.2013 12:03
At burner start no
ameestablishe
Acknowledge key
Acknowledge
General information
Never remove, bypass or otherwise disable any safety or monitoring equipment. Only operate the heating
appliance when it is in perfect technical condition. Any faults or damage which impact or might impact upon safety
must be remedied immediately by a qualied contractor. Only replace faulty components and equipment with
original Wolf spare parts.
Faults and warnings are shown in plain text on the display of the control accessories – AM display module or
BM-2 programming unit – and correspond to the messages listed in the following tables.
A warning/fault symbol on the display (symbol: triangle with exclamation mark) indicates an active warning or fault
message. Fault history is listed at contractor level.
Warning messages do not need to be acknowledged and do not lead directly to the boiler being switched
off. However, the causes of the warnings can lead to malfunctions of the boiler / system or to faults and
should therefore be repaired by a qualified contractor.
The control unit automatically acknowledges faults such as faulty temperature sensors or other sensors if
the part concerned has been replaced and plausible test values have been supplied.
Please
note
Danger!
Risk of scalding from hot water!
Hot water temperatures in excess of 65 °C can result
in scalding.
fDo not set the DHW temperature above 65 °C.