Modulens AGC 10 Manuel
Modulens EN
Gas fired floor-standing condensing boiler
AGC 10/15
AGC 15
AGC 25
AGC 35
Installation and
Service Manual
300026081-001-08
Declaration of conformity
The device complies with the standard type described in
the EG declaration of conformity. It was manufactured and
commissioned in accordance with European directives.
The original declaration of conformity is available from the
manufacturer.
Contents
1 Safety instructions and recommendations ..............................................6
1.1 General safety instructions .................................6
1.2 Recommendations ................................................7
1.3 Liabilities ...............................................................8
1.3.1 Manufacturer’s liability .............................................8
1.3.2 Installer’s liability .....................................................8
2About this manual ......................................................................................9
2.1 Symbols used .......................................................9
2.1.1 Symbols used in the manual ...................................9
2.1.2 Symbols used on the equipment .............................9
2.2 Abbreviations ......................................................10
2.3 After Sales Service Internet Site .......................10
3 Technical specifications ..........................................................................11
3.1 Homologations ....................................................11
3.1.1 Certifications .........................................................11
3.1.2 Gas categories ......................................................11
3.1.3 Additional Directives ..............................................11
3.1.4 Factory test ...........................................................12
3.2 Technical specifications ....................................12
3.2.1 Sensor characteristics ...........................................13
4 Technical description ..............................................................................14
4.1 General description ............................................14
4.2 Main parts ............................................................14
4.3 Operating principle .............................................15
4.3.1 Skeleton Diagrams ................................................15
4.3.2 Circulation pump ...................................................17
4.3.3 Water flow rate ......................................................17
5 Installation ................................................................................................18
5.1 Regulations governing installation ...................18
5.2 Package list .........................................................18
5.2.1 Standard delivery ..................................................18
5.2.2 Accessories ...........................................................18
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5.3 Choice of the location ........................................19
5.3.1 Type plate .............................................................19
5.3.2 Positioning of the appliance ..................................20
5.3.3 Ventilation .............................................................21
5.3.4 Main dimensions ...................................................21
5.4 Positioning the appliance ..................................26
5.4.1 Positioning the boiler on its own ............................26
5.4.2 Fitting the boiler to a DHW tank ............................28
5.4.3 Positioning the boiler to the left or right of a DHW
tank .......................................................................29
5.4.4 Reversing the opening direction of the control panel
door .......................................................................29
5.5 Hydraulic connections .......................................30
5.5.1 Flushing the system ..............................................30
5.5.2 Hydraulic connection of the heating circuit ............31
5.5.3 Connection of the water circuit for domestic
use ........................................................................31
5.5.4 Connecting the expansion vessel .........................31
5.5.5 Connecting the condensate discharge pipe ..........32
5.5.6 Filling the condensate trap ....................................33
5.6 Gas connection ...................................................33
5.7 Flue gas system connections ............................34
5.7.1 Classification .........................................................35
5.7.2 Lengths of the air/flue gas pipes ...........................36
5.8 Installing the outside sensor .............................37
5.8.1 Choice of the location ............................................37
5.8.2 Connecting the outside sensor ..............................37
5.9 Electrical connections ........................................38
5.9.1 Control unit ............................................................38
5.9.2 Recommendations ................................................39
5.9.3 Access to the connection terminal ........................40
5.9.4 Position of the PCBs .............................................41
5.9.5 Connecting a direct heating circuit ........................42
5.9.6 Connecting a heating circuit and a domestic hot water
tank .......................................................................43
5.9.7 Connecting two circuits and a domestic hot water
tank .......................................................................47
5.9.8 Hot water storage tank connection ........................48
5.9.9 Pool connection .....................................................53
5.9.10 Connecting a mixed tank .......................................54
5.9.11 Connecting the options .........................................56
5.9.12 Connection in cascade ..........................................57
5.10 Electrical diagram ...............................................60
5.11 Filling the system ...............................................61
5.11.1 Water treatment ....................................................61
5.11.2 Filling the system ..................................................62
Contents
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6 Commissioning ........................................................................................63
6.1 Control panel .......................................................63
6.1.1 Description of the keys ..........................................63
6.1.2 Description of the display ......................................64
6.1.3 Access to the various browsing levels ..................66
6.1.4 Browsing in the menus ..........................................68
6.2 Check points before commissioning ................69
6.2.1 Preparing the boiler for commissioning .................69
6.2.2 Gas circuit .............................................................69
6.2.3 Hydraulic circuit .....................................................71
6.2.4 Electrical connections ...........................................71
6.3 Putting the appliance into operation ................71
6.4 Gas settings ........................................................72
6.4.1 Adapting to another gas type ................................72
6.4.2 Checking and setting combustion .........................73
6.4.3 Basic setting for the gas/air ratio ...........................77
6.5 Checks and adjustments after
commissioning ...................................................77
6.5.1 Displaying the parameters in extended
mode .....................................................................77
6.5.2 Setting the parameters specific to the
installation .............................................................78
6.5.3 Naming the circuits and generators ......................81
6.5.4 Setting the heating curve ......................................82
6.5.5 Finalizing work ......................................................84
6.6 Reading out measured values ...........................85
6.7 Changing the settings ........................................86
6.7.1 Language selection ...............................................86
6.7.2 Calibrating the sensors .........................................87
6.7.3 Professional settings .............................................88
6.7.4 Configuring the network ........................................97
6.7.5 Return to the factory settings ..............................100
7 Switching off the appliance ...................................................................101
7.1 Installation shutdown .......................................101
7.2 Antifreeze protection ........................................101
8 Checking and maintenance ...................................................................102
8.1 General instructions .........................................102
8.2 Chimney sweep instructions ...........................102
8.3 Customising maintenance ...............................103
8.3.1 Maintenance message ........................................103
8.3.2 Contact details of the professional for After Sales
Support ................................................................104
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8.4 Standard inspection and maintenance
operations .........................................................104
8.4.1 Checking the hydraulic pressure .........................105
8.4.2 Checking the expansion vessel ...........................105
8.4.3 Checking the ionization current ...........................105
8.4.4 Checking the tightness of the flue gas evacuation and
air inlet connections ............................................105
8.4.5 Checking combustion ..........................................105
8.4.6 Checking and closing the automatic air vent .......106
8.4.7 Checking the safety valve ...................................106
8.4.8 Checking the condensate trap ............................106
8.4.9 Checking the burner and cleaning the heat
exchanger ...........................................................107
9 Troubleshooting .....................................................................................108
9.1 Anti-hunting ......................................................108
9.2 Messages (Code type Bxx or Mxx) ..................108
9.3 Message history ................................................111
9.4 Faults (Code type Lxx or Dxx) .........................111
9.4.1 Deletion of sensors from the memory in the
PCB .....................................................................120
9.5 Failure history ...................................................121
9.6 Parameter and input/output check (mode
tests) ..................................................................121
9.6.1 Control system sequence ....................................124
10 Spare parts ..............................................................................................126
10.1 General ..............................................................126
10.2 Spare parts ........................................................127
10.2.1 Casing .................................................................127
10.2.2 Water unit ............................................................128
10.2.3 Control panel .......................................................129
10.2.4 Casing .................................................................129
10.2.5 Spare parts list ....................................................130
11 Appendix – Information on the Ecodesign and Energy Labelling
Directives ................................................................................................133
Contents
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15/03/2016 - 300026081-001-08 5
1 Safety instructions and
recommendations
1.1 General 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 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. Trace possible leaks and seal them
immediately.
5. If the gas leak is before the gas meter,
contact the gas supplier.
DANGER
If you smell flue gases:
1. Switch the appliance off.
2. Open the windows.
3. Trace possible leaks and seal them
immediately.
1. Safety instructions and recommendations AGC 10/15 AGC 15 AGC 25 AGC 35
615/03/2016 - 300026081-001-08
1.2 Recommendations
WARNING
4Installation and maintenance of the boiler
must be carried out by a qualified
professional in compliance with prevailing
local and national regulations.
4When working on the boiler, always
disconnect the boiler from the mains and
close the main gas inlet valve.
4After maintenance or repair work, check all
installations to ensure that there are no
leaks.
CAUTION
The boiler must be installed in a frost-free
environment.
Keep this document close to the place where the
boiler is installed.
Casing components
Only remove the casing for maintenance and repair
operations. Put the casing back in place after
maintenance and repair operations.
Instructions stickers
The instructions and warnings affixed to the appliance
must never be removed or covered and must remain
legible during the entire lifespan of the appliance.
Immediately replace damaged or illegible instructions and
warning stickers.
Modifications
Modifications may only be made to the boiler after the
written permission of De Dietrich Thermique to do so.
AGC 10/15 AGC 15 AGC 25 AGC 35 1. Safety instructions and recommendations
15/03/2016 - 300026081-001-08 7
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.
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. Safety instructions and recommendations AGC 10/15 AGC 15 AGC 25 AGC 35
815/03/2016 - 300026081-001-08
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