DeDietrich C 330 ECO Troubleshooting guide

EN
Gas fired floor-standing condensing boiler
C 330 ECO -
C 630 ECO
Installation, User
and Service
Manual
7600532-01

EG 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 of the declaration of compliance is available from the
manufacturer.

Contents
1 Introduction ................................................................................................6
1.1 Symbols used .......................................................6
1.2 Abbreviations ........................................................6
1.3 General ..................................................................7
1.3.1 Manufacturer's liability .............................................7
1.3.2 Installer's liability .....................................................7
1.3.3 User's liability ..........................................................7
2Safety instructions and recommendations ..............................................9
2.1 Safety instructions ...............................................9
2.2 Recommendations ................................................9
3Technical description ..............................................................................11
3.1 General description ............................................11
3.2 Homologations ....................................................11
3.2.1 Certifications .........................................................11
3.2.2 Equipment categories ...........................................12
3.2.3 Data plate ..............................................................12
3.2.4 Factory test ...........................................................12
3.3 Main parts ............................................................13
3.3.1 Boiler type C 330 ECO ..........................................13
3.3.2 Boiler type C 630 ECO ..........................................14
3.3.3 System pump ........................................................14
3.3.4 Regulation of the water temperature .....................15
3.3.5 Protection against a shortage of water ..................15
3.3.6 Maximum temperature protection .........................15
3.3.7 Air differential pressure switch ..............................15
3.4 Technical specifications ....................................16
3.4.1 Boiler type C 330 ECO ..........................................16
3.4.2 Boiler type C 630 ECO ..........................................17
4 Installation ................................................................................................19
4.1 Regulations governing installation ...................19
4.2 Package list .........................................................19
4.2.1 Standard delivery ..................................................19
4.2.2 Accessories ...........................................................19
4.3 Installation options .............................................20
4.3.1 Transport ...............................................................20
31/05/2012 - 7600532-01 1

4.3.2 Location of the boiler .............................................21
4.3.3 Main dimensions ...................................................27
4.4 Hydraulic connections .......................................29
4.4.1 Flushing the system ..............................................29
4.4.2 Connection of the heating circuit ...........................29
4.4.3 Connecting the condensate discharge pipe ..........30
4.5 Gas connection ...................................................30
4.6 Connections for the air and exhaust
pipes ....................................................................31
4.6.1 Classification .........................................................32
4.6.2 Outlets ...................................................................32
4.6.3 Lengths of the air/flue gas pipes ...........................32
4.6.4 Additional Directives ..............................................35
4.6.5 Connection of the combustion gas exhaust
pipe .......................................................................36
4.6.6 Connection of the air intake pipe ...........................36
4.7 Electrical connections ........................................37
4.7.1 Control unit ............................................................37
4.7.2 Recommendations ................................................38
4.7.3 Standard control PCB ...........................................38
4.7.4 Connecting the on/off control ................................40
4.7.5 Connecting modulating controller .........................40
4.7.6 Shutdown input .....................................................40
4.7.7 Release input ........................................................40
4.7.8 System pump ........................................................41
4.7.9 PC/Laptop connection ...........................................41
4.7.10 Connection possibilities for the PCB (SCU-
D4) ........................................................................41
4.8 Optional electrical connections ........................42
4.8.1 Connection possibilities for the PCB (SCU-
S05) .......................................................................42
4.9 Electrical diagram ...............................................47
4.10 Filling the system ...............................................47
4.10.1 Water treatment ....................................................48
4.10.2 Filling the siphon ...................................................49
4.10.3 Filling the system ..................................................49
5 Commissioning ........................................................................................50
5.1 Control panel .......................................................50
5.2 Check points before commissioning ................50
5.2.1 Preparing the boiler for commissioning .................50
5.2.2 Gas circuit .............................................................51
5.2.3 Hydraulic circuit .....................................................51
5.2.4 Connections for the air and exhaust pipes ............51
5.2.5 Electrical connections ...........................................51
5.3 Commissioning the boiler ..................................51
5.3.1 DIEMATIC iSystem control panel ..........................51
Contents
31/05/2012 - 7600532-01 2

5.3.2 IniControl control panel .........................................52
5.4 Gas settings ........................................................53
5.4.1 Setting the air/gas ratio (Full load) (Diematic
iSystem) ................................................................53
5.4.2 Setting the air/gas ratio (Part load) (Diematic
iSystem) ................................................................54
5.4.3 Setting the air/gas ratio (Full load)
(IniControl) ............................................................55
5.4.4 Setting the air/gas ratio (Part load)
(IniControl) ............................................................56
5.5 Checks and adjustments after
commissioning ...................................................57
5.5.1 Finalizing work ......................................................57
5.6 Reading out measured values ...........................58
5.7 Changing the settings ........................................58
6 Switching off the boiler ............................................................................59
6.1 Installation shutdown .........................................59
6.1.1 Diematic iSystem ..................................................59
6.1.2 IniControl ...............................................................59
6.2 Frost protection ..................................................59
6.2.1 Diematic iSystem ..................................................60
6.2.2 IniControl ...............................................................60
7 Checking and maintenance .....................................................................61
7.1 General ................................................................61
7.2 Standard checks .................................................61
7.2.1 Checking the hydraulic pressure ...........................62
7.2.2 Checking the ionization current .............................62
7.2.3 Check the water quality .........................................62
7.2.4 Checking the air supply connections and flue gas
discharge connections ..........................................63
7.2.5 Checking the gas filter for pollution .......................63
7.2.6 Checking combustion ............................................63
7.2.7 Check the air supply hose .....................................64
7.2.8 Check the dirt trap .................................................64
7.2.9 Check the air box ..................................................65
7.2.10 Check the air pressure differential switch PS ........65
7.2.11 Check the gas leakage control VPS ......................67
7.2.12 Check the minimum gas pressure switch
Gps ........................................................................69
7.3 Specific maintenance operations ......................69
7.3.1 Clean the fan and the venturi ................................70
7.3.2 Clean and inspect the non-return valve ................71
7.3.3 Replacing the ionization/ignition electrode ............71
7.3.4 Cleaning the gas filter ...........................................72
7.3.5 Cleaning the burner ...............................................73
31/05/2012 - 7600532-01 3

7.3.6 Clean the burner area ...........................................73
7.3.7 Checking the heat exchanger ...............................74
7.3.8 Cleaning the condensate collector ........................75
7.3.9 Cleaning the siphon ..............................................75
7.3.10 Assembling the boiler ............................................76
7.3.11 Put the boiler back into operation ..........................76
8 Troubleshooting .......................................................................................77
8.1 Troubleshooting .................................................77
9 Spare parts ................................................................................................78
9.1 General ................................................................78
9.2 Spare parts ..........................................................78
9.2.1 Casing ...................................................................79
9.2.2 Heat exchanger and burner ..................................80
9.2.3 Fan ........................................................................81
9.2.4 Control panel .........................................................82
9.2.5 Spare parts C630 ECO .........................................83
9.2.6 Spare parts list ......................................................84
Contents
31/05/2012 - 7600532-01 4

31/05/2012 - 7600532-01 5

1 Introduction
1.1 Symbols used
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.
¼ Signals a referral to other instructions or other pages in the
instructions.
1.2 Abbreviations
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 - Extended control PCB
4SU: Safety Unit - Safety PCB
43WV: 3-way valve
1. Introduction C 330 ECO - C 630 ECO
631/05/2012 - 7600532-01

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.
1.3.2. 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.
4To carry out inspections and maintenance required by a qualified
professional.
4Keep the instruction manuals in good condition close to the
appliance.
C 330 ECO - C 630 ECO 1. Introduction
31/05/2012 - 7600532-01 7

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.
1. Introduction C 330 ECO - C 630 ECO
831/05/2012 - 7600532-01