background image

Code

Description

Checking / solution

Su

:

31

The TAS is in open circuit

The Titan Active System® is on an open circuit

4

Contact the professional who takes care of maintenance of the

appliance

Remarks:

Domestic hot water production is stopped but may nevertheless be

restarted for 72 hours after the boiler is switched off.

The tank is no longer protected.

If a tank without Titan Active System® is connected to the boiler, check that

the TAS simulation connector is fitted to the SCU-s191 PCB.

Su

:

32

The TAS is short circuited

The Titan Active System® is short-circuited

4

Contact the professional who takes care of maintenance of the

appliance

Remarks:

Domestic hot water production is stopped but may nevertheless be

restarted for 72 hours after the boiler is switched off.

The tank is no longer protected.

If a tank without Titan Active System® is connected to the boiler, check that

the TAS simulation connector is fitted to the SCU-s191 PCB.

Su

:

33

The header sensor in the solar control

system is defective

Bad connection

Sensor fault

4

Contact the professional who takes care of maintenance of the

appliance

Su

:

34

The sensor in the solar tank is defective Bad connection

Sensor fault

4

Contact the professional who takes care of maintenance of the

appliance

7.2

Faults (type code Exx)

In the event of an operating fault, the control panel flashes and

displays a code.
1. Make a note of the code displayed.

The code is important for the correct and rapid diagnosis of the

type of failure and for any technical assistance that may be

needed.

2. Press the 

t

 key. If the code is displayed again, switch off the boiler

and then switch it back on.

Code

Cause of
the fault

Description

Checking / solution

e00

PCU

PSU PCB not connected

Bad connection

PSU PCB faulty

4

Contact the professional who takes care of maintenance of the

appliance

e01

PCU

The safety parameters are

incorrect

Bad connection

PSU PCB faulty

4

Contact the professional who takes care of maintenance of the

appliance

e02

PCU

The boiler flow sensor has short-

circuited

Bad connection

Sensor fault

4

Contact the professional who takes care of maintenance of the

appliance

7. Troubleshooting

EGC 25

27

09/02/2016 - 300026082-001-05

Summary of Contents for Twineo EGC 25

Page 1: ...Twineo EN Gas fired floor standing condensing boiler EGC 25 User Guide 300026082 001 05 ...

Page 2: ...ecifications 10 4 Description 12 4 1 Operating principle 12 4 1 1 Gas air setting 12 4 1 2 Combustion 12 4 2 Main parts 13 4 3 Control panel 14 4 3 1 Description of the keys 14 4 3 2 Description of the display 14 5 Operating the appliance 17 5 1 Putting the appliance into operation 17 5 2 Reading out measured values 17 5 3 Changing the settings 18 5 3 1 Parameter descriptions 18 5 3 2 Modification...

Page 3: ...al instructions 23 6 2 Periodic checks 23 7 Troubleshooting 25 7 1 Error messages Sub status 9 25 7 2 Faults type code Exx 27 8 Energy savings 31 8 1 Energy saving advice 31 8 2 Recommendations 31 9 Warranty 32 9 1 General 32 9 2 Warranty terms 32 10 Appendix Information on the Ecodesign and Energy Labelling Directives 33 Contents 2 09 02 2016 300026082 001 05 ...

Page 4: ...3 09 02 2016 300026082 001 05 ...

Page 5: ...e appliance Cleaning and user maintenance shall not be made by children without supervision CAUTION Only qualified persons are authorised to assemble install and maintain the installation 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 ...

Page 6: ...fessionals are authorised to work on the appliance and the installation 4 Regularly check the water pressure in the installation minimum pressure 0 8 bar recommended pressure between 0 8 and 1 5 bar 4 Keep the appliance accessible at all times 4 Never remove or cover labels and rating plates affixed to the appliance Labels and rating plates must be legible throughout the entire lifetime of the app...

Page 7: ...insufficient maintenance of the appliance 4 Failure 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 4 Read and follow the instructions given in the manuals provided with the appliance 4 Carry out installation in compliance w...

Page 8: ...appliance 4 Call on qualified professionals to carry out installation and initial start up 4 Get your installer to explain your installation to you 4 Ensure the Appliance is serviced in accordance with the manufacturer s instructions by a suitable qualified person 4 Keep the instruction manuals in good condition close to the appliance 1 Safety instructions EGC 25 7 09 02 2016 300026082 001 05 ...

Page 9: ...G Risk of a dangerous situation causing slight physical injury CAUTION Risk of material damage Signals important information Signals a referral to other instructions or other pages in the instructions 2 1 2 Symbols used on the equipment 4 Protective earthing Alternating current Before installing and commissioning the device read carefully the instruction manuals provided Dispose of the used produc...

Page 10: ...trol Unit PCB for managing burner operation 4 PSU Parameter Storage Unit Parameter storage for PCBs PCU and SU 4 SCU Secondary Control Unit control panel PCB 4 SU Safety Unit Safety PCB 4 HRU Heat Recovery Unit 4 3WV 3 way valve 4 HL High Load DHW tank with plate exchanger 4 SL Standard Load DHW tank with coil 4 SHL Solar High Load Solar DHW tank with plate exchanger 4 SSL Solar Standard Load Sola...

Page 11: ...kW 5 8 32 6 Heating efficiency under full load Hi 80 60 C 96 3 Heating efficiency under full load Hi 50 30 C 102 0 Heating efficiency under partial load Hi Return temperature 60 C 96 1 Heating efficiency under partial load EN 92 42 Return temperature 30 C 108 0 Data on the gases and combustion gases Gas consumption Natural gas H G20 minimum maximum m3 h 0 55 3 10 Gas consumption Natural gas L G25 ...

Page 12: ...Power supply voltage VAC 230 Power consumption Pump position high Fastest maximum W 141 Power consumption Pump position low Slowest maximum W 78 Electrical protection index IP21 Other characteristics Weight empty kg 50 3 Technical specifications EGC 25 11 09 02 2016 300026082 001 05 ...

Page 13: ...n the top of the exchanger guided by the pre mix channel 4 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 duri...

Page 14: ...panel 7 Command module 8 Water pressure sensor 9 Circulation pump 10 Hydroblock 11 3 way valve 12 Safety valve 13 Casing 14 Expansion vessel 15 Combined venturi and gas valve unit 16 Fan 17 Air intake silencer 18 Mixer pipe 19 Automatic air vent C003072 C 18 19 16 17 15 14 13 12 11 1 2 3 4 10 9 5 6 7 8 4 Description EGC 25 13 09 02 2016 300026082 001 05 ...

Page 15: ...ltaneously 4 3 2 Description of the display n Key functions G Back to the previous level without saving the modifications made t Manual reset d Central heating function Access to the max heating temperature parameter To reduce a value L m r r r d d d T y 1 2 SERVICE C Fh barPsi rpm kW uA x10 l min C St M002715 A t h j A B E F C D L m r r r d d d T y 1 2 SERVICE C Fh barPsi rpm kW uA x10 l min C St...

Page 16: ... 75 y Output level 75 100 n System pressure bar Pressure indicator The symbol is displayed next to the installation s pressure value If no water pressure sensor is connected appears on the display L m r r r d d d T y 1 2 SERVICE C Fh barPsi rpm kW uA x10 l min C St M002717 A t h j L m r r r d d d T y 1 2 SERVICE C Fh barPsi rpm kW uA x10 l min C St M002718 A t h j L m r r r d d d T y 1 2 SERVICE C...

Page 17: ...eadout of the operating hours number of successful starts and hours on mains supply a Blocking After 5 resets in under 1 hour the appliance should be switched off and switched on again before resetting I Outside temperature sensor present M The symbol is displayed when the boiler pump is operating a Defect Boiler indicates a fault This is indicated by an E code and a flashing display L m r r r d d...

Page 18: ... pK xx Parameter version The version numbers are displayed alternately 5 A vent cycle of a duration of around 3 minutes is carried out automatically 6 In standby mode the screen usually displays 0 plus the water pressure and the symbols d and r 5 2 Reading out measured values The following current values can be read off the information menu Q 4 5t State 4 5v Sub status 4 t1 Flow temperature C 4 t ...

Page 19: ...ample 7 Press the key fl is displayed alternating with the current ionization current 70 µA for example 8 Press the key Mf is displayed alternating with the current fan rotation speed 3000 rpm for example 9 Press the key pr is displayed alternating with the current water pressure 0 bar for example If no water pressure sensor is connected appears on the display 10 Press the key p is displayed alter...

Page 20: ...ion resistance 0 No anticipation resistance for the ON OFF thermostat 1 Anticipation resistance for the ON OFF thermostat 0 p6 Display screen 0 Simple 1 Comprehensive 2 Automatic switching to simple after 3 minutes 3 Automatic switching to simple after 3 minutes Key blocking is active 2 p7 Post circulation of the pump 1 to 98 minutes 99 minutes continuous 2 p8 Brightness of display lighting 0 Low ...

Page 21: ...e by pressing the or key In this example using key to 60 C 5 Confirm the value with the S key p 1 is displayed with 1 flashing 6 Press the j key 2 times to return to the current operating mode 4 The parameters p2 to p8 are changed in the same way as p1 After step 2 use the key to move to the required parameter 4 The parameters p1 the maximum heating water temperature and p2 the maximum drinking wa...

Page 22: ...ess the j key 2 times to return to the current operating mode 5 3 4 Changing the heating temperature If using an outside temperature sensor the heating flow temperature is adjusted automatically In summer it is possible to reduce the heating flow temperature whilst maintaining comfort To do this proceed as follows 1 Press the d key 1 times 2 The symbol d and the current temperature are displayed t...

Page 23: ...N Do not switch off the boiler If the central heating system is not used for a long period we recommend proceeeding as follows 4 Press key d until OFF is displayed 4 Press key r until OFF is displayed 5 5 Antifreeze protection When the heating water temperature in the boiler is too low the integrated boiler protection system starts up This protection functions as follows 4 If the water temperature...

Page 24: ... original spare parts must be used 4 Make certain that the flues and chimneys are connected in good condition and not blocked 4 Do not modify nor block the condensate outlet s 4 If a neutralisation system is installed follow the instructions delivered with the neutralisation system for cleaning and servicing of this system 6 2 Periodic checks 4 Check the water pressure in the installation INFORMAT...

Page 25: ...s the valves from seizing up 4 Clean the outside of the boiler using a damp cloth and a light detergent CAUTION Only a qualified professional is authorised to clean the inside of the boiler 1 2 3 4 T000181 B EGC 25 6 Checking and maintenance 09 02 2016 300026082 001 05 24 ...

Page 26: ...um limit The water flow in the installation is insufficient 4 Check the circulation direction pump valves 4 Check the water pressure Sensor error 4 Contact the professional who takes care of maintenance of the appliance Su 07 Maximum difference between the flow and return temperature exceeded The water flow in the installation is insufficient 4 Check the circulation direction pump valves 4 Check t...

Page 27: ...onal who takes care of maintenance of the appliance Su 18 The PSU PCB is not recognised Wrong PSU PCB for this boiler 4 Contact the professional who takes care of maintenance of the appliance Su 19 The boiler has not been configured The PSU PCB has been changed 4 Contact the professional who takes care of maintenance of the appliance Su 21 Communication error between the PCU and SU PCBs Bad connec...

Page 28: ... is defective Bad connection Sensor fault 4 Contact the professional who takes care of maintenance of the appliance Su 34 The sensor in the solar tank is defective Bad connection Sensor fault 4 Contact the professional who takes care of maintenance of the appliance 7 2 Faults type code Exx In the event of an operating fault the control panel flashes and displays a code 1 Make a note of the code di...

Page 29: ...ce of the appliance e07 PCU The return temperature sensor is on an open circuit Bad connection Sensor fault 4 Contact the professional who takes care of maintenance of the appliance e08 PCU Return temperature too low Bad connection Sensor fault 4 Contact the professional who takes care of maintenance of the appliance No water circulation 4 Vent the air in the heating system 4 Check the circulation...

Page 30: ...ion 3 µA 4 Check that the gas valve is fully opened 4 Contact the professional who takes care of maintenance of the appliance e16 PCU Detection of a parasite flame Ionization current present even though there is no flame Ignition transformer defective Gas valve defect The burner remains very hot CO2 too high 4 Contact the professional who takes care of maintenance of the appliance e17 PCU Internal...

Page 31: ...ion SCU PCB not connected or faulty 4 Contact the professional who takes care of maintenance of the appliance e39 PCU The BL inlet is open Parameter incorrectly set Bad connection External cause 4 Contact the professional who takes care of maintenance of the appliance e40 PCU HRU URC unit test error Bad connection External cause 4 Contact the professional who takes care of maintenance of the appli...

Page 32: ...ons The remote control is available in the following versions 4 Wire 4 Radio The setting of the control panel and or of the remote control has a considerable influence on energy consumption A few tips 4 In the room in which the room thermostat is installed it s advised not to use thermostatic valve radiators If a thermostatic valve is used the valve must be fully opened 4 Completely closing and op...

Page 33: ...he manufacturer shall not be held responsible for any damage loss or injury caused by installations which do not comply with the following 4 applicable local laws and regulations 4 specific requirements relating to the installation such as national and or local regulations 4 the manufacturer s instructions in particular those relating to the regular maintenance of the unit 4 the rules of the profe...

Page 34: ...en Appendix Information on the ecodesign and energy labelling directives ...

Page 35: ...on 3 1 1 Recommendations 3 1 2 Ecodesign Directive 3 1 3 Technical data 3 1 4 Circulation pump 4 1 5 Disposal and Recycling 4 1 6 Product fiche Boiler space heaters 4 1 7 Package fiche Boilers 5 Contents 2 300026082 ErP02 02022016 ...

Page 36: ...ture regime 1 P1 kW 8 3 Seasonal space heating energy efficiency ƞs 94 Useful efficiency at rated heat output and high temperature re gime 2 ƞ4 89 4 Useful efficiency at 30 of rated heat output and low tempera ture regime 1 ƞ1 99 2 Auxiliary electricity consumption Full load elmax kW 0 045 Part load elmin kW 0 019 Stand by PSB kW 0 004 Other characteristics Standby heat loss Pstby kW 0 078 Ignitio...

Page 37: ...er 6 Drain the installation 7 Remove the air vent hose above the siphon 8 Remove the siphon 9 Remove the air flue gas pipes 10 Disconnect all pipes on the underside of the boiler 11 Dismantle the boiler 1 6 Product fiche Boiler space heaters Tab 2 Product fiche for boiler space heaters De Dietrich EGC 25 Seasonal space heating energy efficiency class A Rated heat output Prated or Psup kW 25 Season...

Page 38: ...acteristics Boiler and supplementary heat pump installed with low temperature heat emitters at 35 C Seasonal space heating energy efficiency class of package Seasonal space heating energy efficiency of package OR Seasonal space heating energy efficiency in Supplementary heat pump Tank rating Collector efficiency in Tank volume in m Collector size in m Seasonal space heating energy efficiency in Su...

Page 39: ...whereby Prated is related to the preferential space heater Tab 3 Weighting of boilers Psup Prated Psup 1 2 II package without hot water storage tank II package with hot water storage tank 0 0 0 0 1 0 3 0 37 0 2 0 55 0 70 0 3 0 75 0 85 0 4 0 85 0 94 0 5 0 95 0 98 0 6 0 98 1 00 0 7 1 00 1 00 1 The intermediate values are calculated by linear interpolation between the two adjacent values 2 Prated is ...

Page 40: ... cz IT DE DIETRICH THERMIQUE Iberia S L U www dedietrich calefaccion es C Salvador Espriu 11 08908 L HOSPITALET de LLOBREGAT 34 935 475 850 info dedietrich calefaccion es ES 129164 Россия г Москва Зубарев переулок д 15 1 Бизнес центр Чайка Плаза офис 309 7 495 221 31 51 CZ DE DIETRICH THERMIQUE S A S info dedietrich ru Copyright All technical and technological information contained in these techni...

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