DeDietrich AGC 35 User manual

Modulens EN
Gas fired floor-standing condensing boiler
AGC 10/15
AGC 15
AGC 25
AGC 35
User Guide
300026080-001-02

Contents
1 Introduction ................................................................................................4
1.1 Symbols used .......................................................4
1.1.1 Symbols used in the manual ...................................4
1.1.2 Symbols used on the equipment .............................4
1.2 Abbreviations ........................................................5
1.3 General ..................................................................5
1.3.1 Manufacturer’s liability .............................................5
1.3.2 Installer’s liability .....................................................6
1.3.3 User’s liability ..........................................................6
1.4 Certifications .........................................................6
2Safety instructions and recommendations ..............................................7
2.1 Safety instructions ...............................................7
2.2 Recommendations ................................................8
3Description ..................................................................................................9
3.1 Operating principle ...............................................9
3.1.1 Gas/air setting .........................................................9
3.1.2 Combustion .............................................................9
3.2 Main parts ............................................................10
3.3 Control panel .......................................................10
3.3.1 Description of the keys ..........................................10
3.3.2 Description of the display ......................................11
3.3.3 Browsing in the menus ..........................................14
4 Operating the appliance ..........................................................................15
4.1 Putting the appliance into operation ................15
4.2 Reading out measured values ...........................15
4.3 Changing the settings ........................................17
4.3.1 Setting the set point temperatures ........................17
4.3.2 Selecting the operating mode ...............................18
4.3.3 Forcing domestic hot water production .................19
4.3.4 Setting the contrast and lighting on the
display ...................................................................19
4.3.5 Setting the time and date ......................................20
4.3.6 Selecting a timer programme ................................20
4.3.7 Customising a timer programme ...........................21
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4.4 Installation shutdown .........................................23
4.5 Antifreeze protection ..........................................23
5 Checking and maintenance .....................................................................25
5.1 General instructions ...........................................25
5.2 Periodic checks ..................................................25
6 Troubleshooting .......................................................................................27
6.1 Anti-hunting ........................................................27
6.2 Messages (Code type Bxx or Mxx) ....................27
6.3 Faults (Code type Lxx or Dxx) ...........................29
7 Technical specifications ..........................................................................35
7.1 Technical specifications ....................................35
8 Energy savings .........................................................................................37
8.1 Energy-saving advice .........................................37
8.2 Recommendations ..............................................37
9 Warranty ....................................................................................................38
9.1 General ................................................................38
9.2 Warranty terms ...................................................38
Contents
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1 Introduction
1.1 Symbols used
1.1.1. Symbols used in the manual
In these instructions, various danger levels are employed to draw the
user’s attention to particular information. In so doing, we wish to
safeguard the user’s safety, obviate hazards and guarantee correct
operation of the appliance.
DANGER
Risk of a dangerous situation causing serious physical
injury.
WARNING
Risk of a dangerous situation causing slight physical
injury.
CAUTION
Risk of material damage.
Signals important information.
¼Signals a referral to other instructions or other pages in the
instructions.
1.1.2. Symbols used on the equipment
4Protective earthing
~Alternating current
Before installing and commissioning the device, read
carefully the instruction manuals provided.
Dispose of the used products in an appropriate recovery
and recycling structure.
This appliance must be connected to the protective earth.
D000241-C
AGC 10/15 AGC 15 AGC 25 AGC 35 1. Introduction
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Caution: danger, live parts.
Disconnect the mains power prior to any operations.
1.2 Abbreviations
43CE: Collective conduit for sealed boiler
4DHW: Domestic hot water
4Interscenario switch: Home automation switch that can be used
to centralise and control several scenarios
4Hi: Lower heating value LHV (Nett)
4Hs: Higher heating value HHV (Gross)
4PPS: Polypropylene hardly inflammable
4PCU: Primary Control Unit - PCB for managing burner operation
4PSU: Parameter Storage Unit - Parameter storage for PCBs
PCU and SU
4SCU: Secondary Control Unit - control panel PCB
4SU: Safety Unit - Safety PCB
43WV: 3-way valve
4HL: High Load - DHW tank with plate exchanger
4SL: Standard Load - DHW tank with coil
4SHL: Solar High Load - Solar DHW tank with plate exchanger
4SSL: Solar Standard Load - Solar DHW tank with coil
1.3 General
1.3.1. Manufacturer’s liability
Our products are manufactured in compliance with the requirements
of the various applicable European Directives. They are therefore
delivered with [ marking and all relevant documentation.
In the interest of customers, we are continuously endeavouring to
make improvements in product quality. All the specifications stated in
this document are therefore subject to change without notice.
Our liability as the manufacturer may not be invoked in the following
cases:
4Failure to abide by the instructions on using the appliance.
4Faulty or insufficient maintenance of the appliance.
4Failure to abide by the instructions on installing the appliance.
1 2
M002628-A
1. Introduction AGC 10/15 AGC 15 AGC 25 AGC 35
502/04/2013 - 300026080-001-02

1.3.2. Installer’s liability
The installer is responsible for the installation and inital start up of the
appliance. The installer must respect the following instructions:
4Read and follow the instructions given in the manuals provided
with the appliance.
4Carry out installation in compliance with the prevailing legislation
and standards.
4Perform the initial start up and carry out any checks necessary.
4Explain the installation to the user.
4If a maintenance is necessary, warn the user of the obligation to
check the appliance and maintain it in good working order.
4Give all the instruction manuals to the user.
1.3.3. User’s liability
To guarantee optimum operation of the appliance, the user must
respect the following instructions:
4Read and follow the instructions given in the manuals provided
with the appliance.
4Call on qualified professionals to carry out installation and initial
start up.
4Get your installer to explain your installation to you.
4Have the required checks and services done.
4Keep the instruction manuals in good condition close to the
appliance.
This appliance is not intended to be used by persons (including
children) whose physcial, sensory or mental capacity is impaired or
persons with no experience or knowledge, unless they have the
benefit, through the intermediary of a person responsible for their
safety, of supervision or prior instructions regarding use of the
appliance. Care should be taken to ensure that children do not play
with the appliance.
To prevent hazardous situations from arising, if the mains lead is
damaged it must be replaced by the original manufacturer, the
manufacturer’s dealer or another suitably skilled person.
1.4 Certifications
CE identification no CE-0085CM0178
NOx classification 5 (EN 297 pr A3, EN 483)
Type of connection Chimney: B23, B33
Flue gas outlet: C13(x), C33(x), C43(x), C53, C83(x),
C93(x)
AGC 10/15 AGC 15 AGC 25 AGC 35 1. Introduction
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2 Safety instructions and
recommendations
2.1 Safety instructions
DANGER
If you smell gas:
1. Do not use a naked flame, do not smoke, do not
operate electrical contacts or switches ( doorbell,
light, motor, lift, etc..).
2. Shut off the gas supply.
3. Open the windows.
4. Evacuate the premises.
5. Call your fitter.
DANGER
If you smell flue gases:
1. Switch the appliance off.
2. Open the windows.
3. Evacuate the premises.
4. Call your fitter.
WARNING
Depending on the settings of the appliance:
4The temperature of the flue gas conduits may exceed
60°C.
4The temperature of the radiators may reach 85°C.
4The temperature of the domestic hot water may reach
65°C.
CAUTION
Do not neglect to service the appliance:
4For completely safe and optimum operation, you
must have your boiler regularly serviced by an
approved installer.
2. Safety instructions and recommendations AGC 10/15 AGC 15 AGC 25 AGC 35
702/04/2013 - 300026080-001-02

2.2 Recommendations
WARNING
Only qualified professionals are authorised to work on the
appliance and the installation.
4Regularly check the water pressure in the installation (minimum
pressure 0,8 bar, recommended pressure between 1,5 and 2,0
bar).
4Keep the appliance accessible at all times.
4Never remove or cover labels and rating plates affixed to the
appliance. Labels and rating plates must be legible throughout the
entire lifetime of the appliance.
4The appliance should be on Summer or Antrifreeze mode rather
than switched off to guarantee the following functions:
-Anti blocking of pumps
-Antifreeze protection
AGC 10/15 AGC 15 AGC 25 AGC 35 2. Safety instructions and recommendations
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3 Description
3.1 Operating principle
3.1.1. Gas/air setting
Air is sucked in by the fan and the gas injected into the venturi
attached to the fan inlet. The fan rotation speed modulates and adapts
to thermal energy requirements thanks to the temperatures measured
by the various sensors. The gas and air are mixed in the venturi, which
enables operation at a constant ratio. The noise of the venturi is
absorbed by a silencer attached to its inlet. The gas/air mixture is
carried to the burner in the top of the exchanger, guided by the pre-
mix channel.
3.1.2. Combustion
The burner heats the heating water circulating in the heat
exchanger. At a return temperature lower than around 55°C, the flue
gases cool down to a temperature lower than the dew point, thus
causing the condensation of the water vapour contained in the flue
gases in the lower section of the heat exchanger. The heat released
during this condensation process (the latent heat or condensing heat)
is also transferred to the heating water. The cooled combustion gases
are evacuated via the combustion gas outlet flue. The condensation
water is evacuated via a siphon.
3. Description AGC 10/15 AGC 15 AGC 25 AGC 35
902/04/2013 - 300026080-001-02

3.2 Main parts
3.3 Control panel
3.3.1. Description of the keys
ATemperature setting key (heating, DHW, swimming pool)
BOperating mode selection key
CDHW override key
DKey to access the parameters reserved for the installer
EKeys on which the function varies as and when selections
are made
FRotary setting button:
4Turn the rotary button to scroll through the menus or
modify a value
4Press the rotary button to access the selected menu
or confirm a value modification
A000866-A
bar
STD t
0 2 4 6 8 10 12 14 16 18 22 2420
pb
AUTO
x
c
r
j
M
gm
A
B
C
DEF
('
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3.3.2. Description of the display
nKey functions
>Access to the various menus
(Used to scroll through the menus
’Used to scroll through the parameters
?The symbol is displayed when help is available
fUsed to display the curve of the parameter selected
STD Reset of the time programmes
bSelection of comfort mode or selection of the days to be
programmed
vSelection of reduced mode or deselection of the days to
be programmed
jBack to the previous level
ESC Back to the previous level without saving the
modifications made
tManual reset
nFlame output level
C002705-A
The whole symbol flashes: The burner starts up but the
flame is not yet present
C002704-A
Part of the symbol flashes: Output is increasing
C002703-A
Steady symbol: The required output has been reached
C002702-A
Part of the symbol flashes: Output is dropping
bar r
STD
('t
0 2 4 6 8 10 12 14 16 18 22 2420
C002696-A
pb
AUTO
x c
r
j
L
gm
bar
STD t
0 2 4 6 8 10 12 14 16 18 22 2420
C002701-B
pb
AUTO
x c
r
j
M
gm
3. Description AGC 10/15 AGC 15 AGC 25 AGC 35
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nSolar (If connected)
uThe solar load pump is running
L000200-A
The top part of the tank is reheated to the tank set point
L000201-A
The entire tank is reheated to the tank set point
L000198-A
The entire tank is reheated to the solar tank set point
L000199-A
The tank is not loaded - Presence of the solar control
system
nOperating modes
pSummer mode: The heating is off. Domestic hot water
continues to be produced
bWINTER mode: Heating and domestic hot water working
AUTO Operation in automatic mode according to the timer
programme
xComfort mode: The symbol is displayed when a DAY
override (comfort) is activated
4Flashing symbol: Temporary override
4Steady symbol: Permanent override
mReduced mode: The symbol is displayed when a NIGHT
override (reduced) is activated
4Flashing symbol: Temporary override
4Steady symbol: Permanent override
gHoliday mode: The symbol is displayed when a HOLIDAY
override (antifreeze) is activated
4Flashing symbol: Holiday mode programmed
4Steady symbol: Holiday mode active
mManual mode
bar
STD t
0 2 4 6 8 10 12 14 16 18 22 2420
L000197-A
pb
AUTO
x c
r
j
M
gm
bar
STD t
0 2 4 6 8 10 12 14 16 18 22 2420
C002697-B
pb
AUTO
x c
r
j
M
gm
bar
STD t
0 2 4 6 8 10 12 14 16 18 22 2420
C002698-B
pb
AUTO
x c
r
j
M
gm
AGC 10/15 AGC 15 AGC 25 AGC 35 3. Description
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nSystem pressure
bar Pressure indicator: The symbol is displayed when a water
pressure sensor is connected.
4Flashing symbol: The water pressure is insufficient.
4Steady symbol: The water pressure is sufficient.
lWater pressure level
4R: 0,9 to 1,1 bar
4E: 1,2 to 1,5 bar
4Z: 1,6 to 1,9 bar
4A: 2,0 to 2,3 bar
4l: > 2,4 bar
nDomestic Hot Water override
A bar is displayed when a DHW override is activated:
4Flashing bar: Temporary override
4Steady bar: Permanent override
nOther information
rThe symbol is displayed when domestic hot water
production is running.
wValve indicator: The symbol is displayed when a 3-way
valve is connected.
4x: 3-way valve opens
4c: 3-way valve closes
MThe symbol is displayed when the pump is operating.
Name of the circuit for which the parameters are
displayed.
bar
STD t
0 2 4 6 8 10 12 14 16 18 22 2420
C002708-A
pb
AUTO
x c
r
j
M
gm
bar
STD t
0 2 4 6 8 10 12 14 16 18 22 2420
C002707-A
pb
AUTO
x c
r
j
M
gm
bar
STD t
0 2 4 6 8 10 12 14 16 18 22 2420
C002699-B
pb
AUTO
x c
r
j
M
gm
3. Description AGC 10/15 AGC 15 AGC 25 AGC 35
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3.3.3. Browsing in the menus
1. To select the desired menu, turn the rotary button.
2. To access the menu, press the rotary button.
To go back to the previous display, press the key j.
3. To select the desired parameter, turn the rotary button.
4. To modify the parameter, press the rotary button.
To go back to the previous display, press the key j.
5. To modify the parameter, turn the rotary button.
6. To confirm, press the rotary button.
To cancel, press key h.
7. To go back to the main display, press key j2 times.
It is possible to use the ( and ’ keys instead of the rotary
button.
bar
1
1
2
2
r
c
STD
('t
v
0 2 4 6 8 10 12 14 16 18 22 2420
pb
AUTO
x c
r
j
L
gm
#MEASURES
#CHOICE TIME PROG.
#TIME PROGRAM
#SETTING
#TIME .DAY
a
C002220-B-04
bar
1
1
2
2
r
c
STD
('t
v
0 2 4 6 8 10 12 14 16 18 22 2420
pb
AUTO
x c
r
j
L
gm
CURRENT PROG.B
CURRENT PROG.C
P2
P3
a
C002221-C-04
bar
1
1
2
2
r
c
STD
('t
v
0 2 4 6 8 10 12 14 16 18 22 2420
pb
AUTO
x c
r
j
L
gm
CURRENT PROG.C
"Choice of the timeprogram
applied C"
P4
a
C002222-C-04
bar
1
1
2
2
r
c
STD
('t
v
0 2 4 6 8 10 12 14 16 18 22 2420
pb
AUTO
x c
r
j
M
gm
LUNDI 11:45
C002224-D-04
2x
AGC 10/15 AGC 15 AGC 25 AGC 35 3. Description
02/04/2013 - 300026080-001-02 14

4 Operating the appliance
4.1 Putting the appliance into operation
1. Turn on the boiler using the on/off switch.
2. The first time the boiler is powered up, the LANGUAGE menu is
displayed. Select the desired language by turning the rotary
button.
3. To confirm, press the rotary button.
The boiler will begin an automatic venting-programme (which lasts
approx. 3 minutes) and will do this every time the power supply is
isolated. If there is a problem, the error is displayed on the screen.
4. Check the water pressure in the installation shown on the control
panel display.
If the water pressure is lower than 0,8 bar, more water
should be added. If necessary, top up the water level in the
heating system (recommended hydraulic pressure
between 1,5 and 2,0 bar).
4.2 Reading out measured values
The various values measured by the appliance are displayed in the
#MEASURES menu.
1. To access user level: Press the > key.
2. Select the menu #MEASURES.
4Turn the rotary button to scroll through the menus or
modify a value.
4Press the rotary button to access the selected menu
or confirm a value modification.
¼For a detailed explanation of menu browsing, refer to
the chapter: "Browsing in the menus", page 14.
8 22 2420
l
0
C003159-A
Français - Deutsch - English -
Italiano - Espanol - Nederlands
- Pycck - Polski - Türk -
bar
1
1
2
2
r
c
STD
('t
v
0 2 4 6 8 10 12 14 16 18 22 2420
pbx
c
r
gm
ÿ
LANGUE FRANCAIS
C002286-C
bar
1
1
2
2
r
c
STD
('t
v
0 2 4 6 8 10 12 14 16 18 22 2420
pb
AUTO
x c
r
j
M
gm
SUNDAY 11:45
C002219-D-04
4. Operating the appliance AGC 10/15 AGC 15 AGC 25 AGC 35
15 02/04/2013 - 300026080-001-02

User level - Menu #MEASURES
Parameter Description Unit
OUTSIDE TEMP. Outside temperature °C
ROOMTEMP. A (1) Room temperature of circuit A °C
ROOMTEMP. B (1) Room temperature of circuit B °C
ROOMTEMP. C (1) Room temperature of circuit C °C
BOILER TEMP. Water temperature in the boiler °C
PRESSURE Water pressure in the installation bar
WATER TEMP. (1) Water temperature in the DHW tank °C
INST DWH TEMP. (1) Instant hot water temperature °C
STOR.TANK.TEMP (1) Water temperature in the storage tank °C
SWIMMING P.T.B (1) Water temperature of the swimming pool on circuit B °C
SWIMMING P.T.C (1) Water temperature of the swimming pool on circuit C °C
OUTLET TEMP. B (1) Temperature of the flow water in circuit B °C
OUTLET TEMP. C (1) Temperature of the flow water in circuit C °C
SYSTEM TEMP. (1) Temperature of the system flow water if multi-generator °C
T.DHW BOTTOM (1) Water temperature in the bottom of the DHW tank °C
TEMP.TANK AUX (1) Water temperature in the second DHW tank connected to the AUX circuit °C
DHW A TEMP. (1) Water temperature in the second DHW tank connected to circuit A °C
TEMP.SOL.TANK (1) Temperature of the hot water produced by solar power (TS) °C
SOLAR.COLL.T. (1) Solar panel temperature (TC) °C
SOLA.ENERGY (1) Solar energy accumulated in the tank kWh
BACK TEMP Temperature of the boiler return water °C
WIND SPEED Fan rotation speed rpm
POWER Instantaneous boiler output (0%: Burner off or running at minimum output) %
ACT.HEAT.E (2) Estimated boiler energy in heating mode kWh
ACT.DHW.E (2) Estimated boiler energy in DHW mode kWh
NB IMPULS. Number of burner starts (not restartable)
The meter is incremented by 8 every 8 start-ups
RUNTIME Number of burner operation hours (not restartable)
The meter is incremented by 2 every 2 hours
h
IN 0-10V (1) Voltage at input 0-10 V V
SEQUENCE Control system sequence
CTRL Software control number
(1) The parameter is only displayed for the options, circuits or sensors actually connected.
(2) The parameter is only displayed if the function is activated (parameter ENERGY METER in the #CONFIGURATION menu)
AGC 10/15 AGC 15 AGC 25 AGC 35 4. Operating the appliance
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4.3 Changing the settings
4.3.1. Setting the set point temperatures
To set the various heating, DHW and swimming pool temperatures,
proceed as follows:
1. Press the C key.
2. To select the desired parameter, turn the rotary button.
3. To modify the parameter, press the rotary button.
To go back to the previous display, press the key j.
4. To modify the parameter, turn the rotary button.
5. To confirm, press the rotary button.
To cancel, press key h.
Menu C
Parameter Adjustment range Description Factory setting
DAY TEMP. A 5 to 30 °C Desired room temperature in comfort periods on circuit A 20 °C
NIGHT TEMP. A 5 to 30 °C Desired room temperature in reduced periods on circuit A 16 °C
DAY TEMP. B (1) 5 to 30 °C Desired room temperature in comfort periods on circuit B 20 °C
NIGHT TEMP. B (1) 5 to 30 °C Desired room temperature in reduced periods on circuit B 16 °C
DAY TEMP. C (1) 5 to 30 °C Desired room temperature in comfort periods on circuit C 20 °C
NIGHT TEMP. C (1) 5 to 30 °C Desired room temperature in reduced periods on circuit C 16 °C
WATER TEMP. (1) 10 to 80 °C Desired domestic hot water temperature in the DHW circuit 55 °C
TEMP.TANK AUX (1) 10 to 90 °C Desired domestic hot water temperature in the auxiliary circuit 55 °C
DHW A TEMP. (1) 10 to 90 °C Desired domestic hot water temperature in circuit A 55 °C
TEMP.SOL.TANK (1)
(2) 20 to 80 °C Maximum load temperature of the tank’s solar zone 65 °C
SWIMMING P.T.B (1) HG / 0.5 to 39 °C Desired temperature for swimming pool B 20 °C
SWIMMING P.T.C (1) HG / 0.5 to 39 °C Desired temperature for swimming pool C 20 °C
WATER T.NIGHT 10 to 80 °C Desired domestic hot water temperature in the DHW circuit 10 °C
WATER T.NIGHTAUX 10 to 90 °C Desired domestic hot water temperature in the auxiliary circuit 10 °C
WATER T.NIGHT.A 10 to 90 °C Desired domestic hot water temperature in circuit A 10 °C
(1) The parameter is only displayed for the options, circuits or sensors actually connected.
(2) The menu is only displayed if the solar control system is connected
MODE
C002266-A
4. Operating the appliance AGC 10/15 AGC 15 AGC 25 AGC 35
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4.3.2. Selecting the operating mode
To select an operating mode, proceed as follows:
1. Press the MODE key.
2. To select the desired parameter, turn the rotary button.
3. To modify the parameter, press the rotary button.
To go back to the previous display, press the key j.
4. To modify the parameter, turn the rotary button.
5. To confirm, press the rotary button.
To cancel, press key h.
Menu MODE
Parameter Adjustment range Description Factory setting
AUTOMATIQUE The comfort ranges are determined by the timer programme.
DAY 7/7, xx:xx Comfort mode is forced until the time indicated or all the time (7/7). Present time + 1
hour
NIGHT 7/7, xx:xx Reduced mode is forced until the time indicated or all the time
(7/7).
Present time + 1
hour
HOLIDAYS 7/7, 1 to 364 The antifreeze mode is active on all boiler circuits.
Number of days’ holiday: xx (1)
heating OFF: xx:xx (1)
Restarting: xx:xx (1)
Present date + 1
day
SUMMER The heating is off.
Domestic hot water continues to be produced.
MANUEL The generator operates according to the set point setting. All of
the pumps operate. Option of setting the set point by simply
turning the rotary button.
FORCE AUTO (2) YES / NO An operating mode override is activated on the remote control
(option).
To force all circuits to run on AUTOMATIQUE mode, select
YES.
(1) The start and end days and the number of days are calculated in relation to each other.
(2) The parameter is only displayed if a room sensor is connected.
MODE
C002267-A
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4.3.3. Forcing domestic hot water production
To force domestic hot water production, proceed as follows:
1. Press the r key.
2. To select the desired parameter, turn the rotary button.
3. To modify the parameter, press the rotary button.
To go back to the previous display, press the key j.
4. To modify the parameter, turn the rotary button.
5. To confirm, press the rotary button.
To cancel, press key h.
Menu r
Parameter Description Factory setting
AUTOMATIQUE The domestic hot water comfort ranges are determined by the timer programme.
COMFORT Domestic hot water comfort mode is forced until the time indicated or all the time (7/7). Present time + 1 hour
4.3.4. Setting the contrast and lighting on the
display
1. To access user level: Press the > key.
2. Select the menu #SETTING.
4Turn the rotary button to scroll through the menus or
modify a value.
4Press the rotary button to access the selected menu
or confirm a value modification.
¼For a detailed explanation of menu browsing, refer to
the chapter: "Browsing in the menus", page 14.
3. Set the following parameters:
User level - Menu #SETTING
Parameter Adjustment range Description Factory setting Customer setting
CONTRAST DISP. Adjusting the display contrast.
BACK LIGHT COMFORT The screen is illuminated continuously in
daytime periods.
ECO
ECO The screen is illuminated for 2 minutes
whenever pressed.
MODE
C002268-A
bar
1
1
2
2
r
c
STD
('t
v
0 2 4 6 8 10 12 14 16 18 22 2420
pb
AUTO
x c
r
j
M
gm
SUNDAY 11:45
C002219-D-04
4. Operating the appliance AGC 10/15 AGC 15 AGC 25 AGC 35
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