DeDietrich MODULENS O AFC 30 User manual

Export
MODULENS O®EN
Oil-fired condensing boilers
AFC 18 - AFC 24 - AFC 30
User Guide
300026440-05

Contents
1 Safety instructions .....................................................................................4
1.1 Safety instructions ...............................................4
1.2 Recommendations ................................................5
1.3 Liabilities ...............................................................5
1.3.1 Manufacturer’s liability .............................................5
1.3.2 Installer’s liability .....................................................6
1.3.3 User’s liability ..........................................................6
2About this manual ......................................................................................8
2.1 Symbols used .......................................................8
2.1.1 Symbols used in the manual ...................................8
2.1.2 Symbols used on the equipment .............................8
2.2 Abbreviations ........................................................9
3Technical specifications ..........................................................................10
3.1 Certifications .......................................................10
3.2 Technical specifications ....................................10
3.2.1 Boiler specifications ..............................................10
4 Product description .................................................................................12
4.1 General description ............................................12
4.2 Main parts ............................................................12
4.3 Control panel .......................................................13
4.3.1 Description of the keys ..........................................13
4.3.2 Description of the display ......................................14
4.3.3 Browsing in the menus ..........................................17
5 Operating the appliance ..........................................................................18
5.1 Putting the appliance into operation ................18
5.2 Reading out measured values ...........................18
5.3 Changing the settings ........................................20
5.3.1 Setting the set point temperatures ........................20
5.3.2 Selecting the operating mode ...............................21
5.3.3 Forcing domestic hot water production .................22
5.3.4 Setting the contrast and lighting on the
display ...................................................................22
5.3.5 Setting the time and date ......................................23
115/07/2015 - 300026440-05

5.3.6 Selecting a timer programme ................................23
5.3.7 Customising a timer programme ...........................24
5.4 Installation shutdown .........................................26
5.5 Antifreeze protection ..........................................26
6 Checking and maintenance .....................................................................28
6.1 General instructions ...........................................28
6.2 Periodic checks ..................................................28
6.3 Filling the system ...............................................29
6.4 Bleeding the heating system .............................31
6.5 Draining the installation .....................................33
7 Troubleshooting .......................................................................................34
7.1 Anti-hunting ........................................................34
7.2 Messages (Code type Bxx or Mxx) ....................34
7.3 Faults (Code type Lxx or Dxx) ...........................36
8 Energy savings .........................................................................................41
8.1 Energy-saving advice .........................................41
8.2 Recommendations ..............................................41
9 Warranty ....................................................................................................42
9.1 General ................................................................42
9.2 Warranty terms ...................................................42
10 Appendix – Information on the Ecodesign and Energy Labelling
Directives ..................................................................................................43
Contents
215/07/2015 - 300026440-05

315/07/2015 - 300026440-05

1 Safety instructions
1.1 Safety instructions
DANGER
This appliance can be used by children aged
from 8 years and above and persons with
reduced physical, sensory or mental capabilities
or lack of experience and knowledge if they have
been given supervision or instruction concerning
use of the appliance in a safe way and
understand the hazards involved. Children shall
not play with the appliance. Cleaning and user
maintenance shall not be made by children
without supervision.
DANGER
If you smell flue gases:
1. Switch the appliance off.
2. Open the windows.
3. Evacuate the premises.
4. Contact a qualified professional.
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
95°C.
4The temperature of the domestic hot water
may reach 80°C (depending on the set point
temperature and activation of the
antilegionella function).
AFC 18 - AFC 24 - AFC 30 1. Safety instructions
15/07/2015 - 300026440-05 4

CAUTION
4Do not neglect to service the appliance. For
completely safe and optimum operation, you
must have your boiler regularly serviced by
an approved installer.
4Before any work, switch off the mains supply
to the appliance.
4Avoid direct contact with the flame viewport.
1.2 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 (0.08 MPa), recommended
pressure between 1.5 and 2 bar (0.15 MPa and
0.2 MPa))
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
1.3 Liabilities
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.
1. Safety instructions AFC 18 - AFC 24 - AFC 30
515/07/2015 - 300026440-05

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.
1.3.2. Installer’s liability
The installer is responsible for the installation and
commissioning 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.
4Ensure the Appliance is serviced in accordance with
the manufacturer’s instructions by a suitable qualified
person.
4Keep the instruction manuals in good condition close
to the appliance.
AFC 18 - AFC 24 - AFC 30 1. Safety instructions
15/07/2015 - 300026440-05 6

1. Safety instructions AFC 18 - AFC 24 - AFC 30
715/07/2015 - 300026440-05

2 About this manual
2.1 Symbols used
2.1.1. 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, highlight 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.
2.1.2. 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
AFC 18 - AFC 24 - AFC 30 2. About this manual
15/07/2015 - 300026440-05 8

Caution: danger, live parts.
Disconnect the mains power prior to any operations.
2.2 Abbreviations
43CE: Collective conduit for sealed boiler
43WV: 3-way valve
4PCU: Primary Control Unit - PCB for managing burner operation
4PSU: Parameter Storage Unit - Parameter storage for PCBs
PCU and SU
4SCU: Secondary Control Unit - DIEMATIC iSystem control panel
PCB
4SU: Safety Unit - Safety PCB
4DHW: Domestic hot water
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
4MC: Boiler module
4Hi: Lower heating value LHV (Nett)
4Hs: Higher heating value HHV (Gross)
4CFC: Chlorofluorocarbon
1 2
M002628-A
2. About this manual AFC 18 - AFC 24 - AFC 30
915/07/2015 - 300026440-05

3 Technical specifications
3.1 Certifications
CE identification no CE : 1312 CN 5691
Type of connection Chimney: B23, B23P
Flue gas outlet: C13(x), C33(x), C93(x)
3.2 Technical specifications
3.2.1. Boiler specifications
Test conditions:
4CO2 of 12% at min output and 13% at max output with oil.
4Maximum operating pressure - Primary circuit (heating water):
3 bar (0.3 MPa)
4Maximum operating temperature: 85 °C
4Boiler temperature: Adjustable from 30 to 90 °C
4Safety thermostat: 105 °C
4Min flow temperature: 20°C
4Min. return temperature : 20°C
4Ambient temperature: 20 °C
Boiler AFC 18 AFC 24 AFC 30
Minimum
power
Full
power
Minimum
power
Full
power
Minimum
power
Full
power
Power input (Hi) kW 10.4 17.6 13.9 23.5 17.4 29.4
Nominal output (Pn) at 40/30°C kW 10.7 18.2 14.3 24.3 17.8 30.3
Nominal output (Pn) at 50/30°C kW 10.6 18 14.1 24 17.6 30
Nominal output (Pn) at 80/60°C kW 10 17.1 13.4 22.8 16.7 28.6
(1) These values are pertinent for flexible flue gas evacuation systems with a diameter of 80 mm (rigid ducts). The length of rigid flue gas
evacuation systems is restricted to 18 metres for technical reasons relating to start-up.
(2) 1 mbar = 10 mmWG = 100 Pa
AFC 18 - AFC 24 - AFC 30 3. Technical specifications
15/07/2015 - 300026440-05 10

Boiler AFC 18 AFC 24 AFC 30
Minimum
power
Full
power
Minimum
power
Full
power
Minimum
power
Full
power
LHV efficiency 100 % Nominal
output (Pn) at
80/60°C
% 96.3 97.2 96.4 97.1 95.9 97.4
Flue gas
temperature
°C <60 <70 <60 <70 <65 <75
100 % Nominal
output (Pn) at
50/30°C
% 101.5 102.1 101.4 102 101.1 101.6
Flue gas
temperature
°C <40 <45 <40 <45 <45 <50
100 % Nominal
output (Pn) at
40/30°C
% 102.9 103.5 102.6 103.2 102.5 103
Flue gas
temperature
°C <40 <45 <40 <45 <45 <50
Annual efficiency
Hi
at 75/60°C % 101.1 100.9 100.7
at 40/30°C % 105.3 105.1 104.6
Pressure available at the flue gas
nozzle (Pn)
mbar(1) 0.14 0.22 0.33
Pa 14 22 33
CO2 content (Minimum output - Start-
up output - Maximum output
% 12 - 13 - 13 12 - 13 - 13 12 - 13 - 13
Nominal water
flow rate at Pn
(50/30 °C)
ΔT = 20K m3/h 0.773 1.032 1.291
Stand-by losses ΔT = 30K W 109 109 128
Percentage of
losses through
the walls
compared with
the stand-by
losses
ΔT = 30K % 61 61 63
Loss of load
hydraulic circuit
(Pn)
ΔT = 20K mbar(2) 16.0 29.0 46.0
Electrical power of the boiler only with
no accessories
W 128 272 128 272 128 272
Water content litres 47 47 58
Mass flue gas flow rate (Nominal
output Pn 50/30 °C)
kg per sec 0.0075 0.01 0.0125
Kg/h 27 36 45
Net weight (without packaging) kg 117 117 135
(1) These values are pertinent for flexible flue gas evacuation systems with a diameter of 80 mm (rigid ducts). The length of rigid flue gas
evacuation systems is restricted to 18 metres for technical reasons relating to start-up.
(2) 1 mbar = 10 mmWG = 100 Pa
3. Technical specifications AFC 18 - AFC 24 - AFC 30
11 15/07/2015 - 300026440-05

4 Product description
4.1 General description
Floor-standing condensing oil boiler
4Heating only (Optional domestic hot water production in
combination with a DHW tank).
4High efficiency heating.
4Low pollutant emissions.
4Modulating oil burner preassembled and preset.
4Stainless steel heating body.
4Top of the range electronic DIEMATIC iSystem control panel.
4Flue gas discharge via a forced flue or chimney type connection.
4.2 Main parts
1Oil filter (40 µm) + deaerator + stop valve
2On/Off switch
3Command module
4Expansion vessel 18 litres
5Condensates evacuation pipe
3
2
5
4
1
C003260-B
AFC 18 - AFC 24 - AFC 30 4. Product description
15/07/2015 - 300026440-05 12

4.3 Control panel
4.3.1. 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
('
4. Product description AFC 18 - AFC 24 - AFC 30
13 15/07/2015 - 300026440-05

4.3.2. 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
AFC 18 - AFC 24 - AFC 30 4. Product description
15/07/2015 - 300026440-05 14

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: The boiler operates with the displayed set
point. All of the pumps operate. The 3-way valves are not
controlled.
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
4. Product description AFC 18 - AFC 24 - AFC 30
15 15/07/2015 - 300026440-05

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
AFC 18 - AFC 24 - AFC 30 4. Product description
15/07/2015 - 300026440-05 16

4.3.3. 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
4. Product description AFC 18 - AFC 24 - AFC 30
17 15/07/2015 - 300026440-05

5 Operating the appliance
5.1 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.
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).
5.2 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.
4Press the rotary button to access the selected menu.
¼For a detailed explanation of menu browsing, refer to
the chapter: "Browsing in the menus", page 17.
User level - #MEASURES Menu
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
(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)
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
AFC 18 - AFC 24 - AFC 30 5. Operating the appliance
15/07/2015 - 300026440-05 18

User level - #MEASURES Menu
Parameter Description Unit
ROOMTEMP.C (1) Room temperature of circuit C °C
BOILER TEMP Water temperature in the boiler °C
PRESSURE Water pressure in the installation bar (MPa)
OIL PRESSURE Injection nozzle oil pressure bar (MPa)
WATER TEMP. (1) Water temperature in the DHW tank °C
TEMP DHW INST (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
TEMP.SYSTEM (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
POWER Instantaneous boiler output (0%: Burner off or running at minimum output) %
HEATCONS. (2) Energy consumed by the boiler in heating mode kWh
DHW CONS. (2) Energy consumed by the boiler in DHW mode kWh
POWER KW Instant boiler output kW
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 8 every 8 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)
5. Operating the appliance AFC 18 - AFC 24 - AFC 30
19 15/07/2015 - 300026440-05