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Eurocondense four Installation Guide

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3. 20 seuosseooe jeuoijdo pue 9u 7636047 02 24082015 34 5 Before installation iagram ic d hydraul lona AguaSave and AguaClean opt lon ts and hot water preparati Ing circul Fig 17 four mixed heat 104 s ejoi J0 26 UOO pesn eq jsnui JO Pinoys speo y j se1eduie 5 yore 104 dwe Si 1ndjno uoee Joy zuana jsuejur eu ejoN 5 dip uo uoisuejxe plu jo Burssejpy esi ep WOO ply e ji eie 94 104 51 LOY 9SIA9p WOO 5 JI pedepe aq oj ee 94 LI 18 in AL in ON 14
4. A collector field Tank charging Solar diverting Solar charging Solar diverting pump K9 with sensor B6 pump for valve for pump for valve for DHW DHW stor and collector pump buffer storage tank buffer storage tank AREE swimming pool K18 swimming pool K18 age tank Q5 K8 K8 zd B Buffer storage tank 17 X DHW B 18 X DHW B 19 X X 22 X DHW B 23 X X DHW B 24 X X DHW 25 X X DHW 26 X X P 27 X X P Tab 12 Check no storage tank prog no 6215 Buffer storage tank Domestic water storage tank 0 No buffer storage tank 00 No DHW storage tank 1 Buffer storage tank 01 Immersion heater 2 Buffer storage tank solar connection 02 Solar connection 4 Buffer storage tank heat generation shutoff valve 04 Primary pump 5 Buffer storage tank solar connection 05 Charging pump solar connection Heat gen shutoff valve 13 Diverter valve 14 Diverting valve solar connection 16 Primary controller without heat exchanger 17 Primary controller 1 heat exchanger 19 Intermediate circuit without heat exchanger 20 Intermediate circuit 1 heat exchanger 22 Primary pump intermediate circuit without heat ex changer 23 Charging pump intermediate circuit 1 heat exchanger 25 Diverting valve intermediate circuit without heat ex changer 26 Diverting valve intermediate circuit 1 heat exchanger 28 Primary controller
5. one tr Etpe t a Ue Deb A Meant na A S ive Sos MEM aed 50 eleven PPM 51 L C i r m 51 7 2 Checklistfor COMMISSIONING ee reri asensi memes Reebok Eu Ret E Wa Re ede dae d Pe e Rn eoi 51 7 3 COMMISSIONING x x Made RR ROS Kal RE KR RH oua Meer Ree UR ee 52 7 3 1 Commissioning MENU 1 ids x e pert ne Peete uU __________ ________ 52 FAS GAS setings suss IT rU 52 7 4 1 acie IET _ 52 7 4 2 COs CODED ei isi s to as fao ba dod i clos ERE e Bus ox Eder dn o a HL a Becks 52 7 4 3 Changing over from natural gas to LPG and vice versa 52 7 4 4 Manual adjustment of burner output controller stop 53 7 4 5 Adjusting CO5 content bebe a a ead a E eee 54 0 inalinsimclons s s vp ede ent dap a d leo tni ER C phan 55 7 5 1 Instruction ofthe Customer odor 55 7 5 2 DOGUIMGNIS ERREUR 55 8 ODerallOn 4 25 Gaerne kent base tror RR EXT oie bee d dd oe ad 56 984 Useofthe controlpanel b eei benc dedero Sea ee Ye de web ee tence Sae 56 8 1 1 Charigingiparamleters i or he RAN x ecc a ign Pn Uncle RU Re RR RC deed 56 8 1 2 Programming procedure xe ce x nee a ede ah led
6. LXO 1ndino 0685 wun se pes Or uo 1228 10je19d o uo z nouo 8179 uonoun4 wey LOY 195 uojouny we SI LOY WOOL 15 JI eu IL ON esuepuo20Jn3 195 4 7636047 02 24082015 38 Fig 21 Sensor designations 5 Before installation 5 5 2 Legend Legend for application examples part 1 7636047 02 24082015 Taaie Title in the regulation Function Declaration Type ATF Outdoor temp sensor B9 Measuring the outdoor temperature QAC34 HVF Flow sensor B1 B12 B16 Sensor of mixing circuit QAD 36 KRF Boiler return sensor B7 Measuring return temperature e g for elevation of return temperature Z 36 RTF Return sensor B73 Measuring return temperature of installation e g for elevation of return temp Solar Z 36 VFK Flow sensor B10 Measuring flow temperature of installation e g for low loss header Z 36 RFK Return sensor B70 Measuring return temperature of cascade Z 36 VRF Primary controller sensor Measuring the flow temperature in a primary controll
7. Configuration of extension modules Prog no Level Standard value Relay output QX22 module 1 7302 C None m See Parameters see Relay output QX21 module 1 prog no 7301 Relay output QX23 module 1 7303 C None m See LJ Parameters see Relay output QX21 module 1 prog no 7301 Sensor input BX21 module 1 7307 C None None Hot water sensor B31 Collector sensor B6 HW circulation sensor B39 Buffer sensor B4 Buffer sensor B41 Common flow sensor B10 Solid fuel boiler sensor B22 HW charging sensor B36 Buffer sensor B42 Schienen r cklauff hler B73 Cascade return sensor B70 Swimming pool sensor B13 Solar flow sensor B63 Solar return sensor B64 Sensor input BX22 module 1 7308 C None m See Parameters see Relay output QX21 module 1 prog no 7307 Function input H2 module 1 7311 C None None Optg mode change CHs HW Optg mode changeover HW mode changeover CHs Optg mode changeover CH1 Optg mode changeover 2 Optg mode changeover CH3 Heat source block Error alarm message Consumer request VK1 Consumer request VK2 Release swimpool source htg Excess heat discharge Release swi pool solar Operating level HW Operating level CH1 Operating level CH2 Operating level CH3 Room thermostat CH1 Room thermostat CH2 Room thermostat CH3 Trinkwasser thermostat Limit thermostat HC Start prevention Consumer request VK1 10V Consumer request VK2 10V Leistungsanforder
8. and See In case of the installation types C33 C53 Ce3x and Cg3 the instructions supplied with the accessory kit must be observed Country of destination GB Category 1 3 1 Liquid gas below ground level The EC four complies with DIN EN 126 and DIN EN 298 and therefore does not need an additional disconnector valve for operation with liquid gas below ground level 1 4 1 Manufacturer s liability Our products are manufactured in compliance with the re quirements of the various Directives applicable They are therefore delivered with the C marking any documents necessary In the interests of the quality of our products we strive constantly to improve them We therefore reserve the right to modify the specifications given in this document Our liability as manufacturer may not be invoked in the fol lowing cases Failure to abide by the instructions on installing the appli ance Failure to abide by the instructions on using the appliance Faulty or insufficient maintenance of the appliance 7636047 02 24082015 1 Safety 1 4 2 Installer s liability The installer is responsible for the installation and initial com missioning of the appliance The installer must abide by the following instructions Read and follow the instructions given in the manuals pro vided with the appliance Install the appliance in compliance with prevailing legisla
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10. 44 6 4 gas connections crsa cine sehn Re ROC Roue d n ee bade 44 6 4 1 Fl e gas connectlonm Er ba duets lt nx 44 6 4 2 Flugas Systemie PE 45 6 4 3 General information about exhaust gas piping system 46 6 4 4 Chimneys already In USC ee Eri eto pare Da eee ee ea Rc XX DIR AE RR tc ed 47 6 4 5 Assembly of the flue gas system se yl awe Ee Reb Yr feos y dU Pea 47 6 4 6 Cleaning and inspection OPENINGS eese rosserae qoe FOEDE DER e E RR RUE RO Eo oe 48 0 5 Electrical connections eee opo EORR ee a ee ot Parce had ee dE ee 49 6 5 1 Electrical connection general sse emer ke kso RR RR Ree Kb Rx me enda 49 6 5 2 Cable lengtns iii ETT 49 6 5 3 Strain relies e tact aye A Bich anal bude ufus Saw Gus boca nie E Sts aie eee eee RUE c Sate 49 6 5 4 Circulating erc des 50 6 5 5 Appliance jc C 50 6 5 6 COMPONENTS s i ecra ucret en e ace d ace ee 50 6 5 7 Replacing cables bae ost weenie mur depre i utto 50 6 5 8 Protection against Contact uere e p ete ae d a eed E NA RC S LR 50 6 6
11. eu asl x c Hz zx E 1 9 B m 4 m 4 TH enje E tye E HOS zli X sayfa 5 g 5 omara sos 29096 sl 85 f 4 TL E 8 tite Pu qa aE BE 5 d x 8 Tg 8 8 a o i H 2 58 5 69 2 OS 7 a a 8 teer g a fee 3 CHE N E 5 x gt All H d H TOA 5 gt 15 8 CHES POS POS 5 T FI Ki 6 9 z z amp e C YSI 5 5 s gs S 8 8 Zh 20 PES 3 JOS P H Id 8x P I le 5 dE i9 4 11070 Eris 58 He oc c DO I 2 Oo EE i c gt i e lt o LL 7636047 02 24082015 5 Before installation ts hydraulic Bypass and hot water preparation AguaSave and ing circui Fig 20 Boiler cascade with 2 EC four 3 mixing heat AguaClean optional hydraulic diagram z SseJppe 0099 ulejs s vO ZXO 1ndino Aejoy 2209 Jeuonounjninig uogoun4 0209 LO 1ndino 1685 9 Jeuonejedo LXO 1ndino
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14. waren Rm a gan ee UR DRE eA PRR e ROT 10 2 9 SOymbolsused __________ _ _ ont d et 10 2 3 1 Symbols used in the manual ax E rtu ERU ARE Ad Rue RRL Bac Edo Roe RE c 10 3 ee ee eee hn hh hrs 12 31 5 egenis ce ____ ___ eoi 12 3 1 1 Regulations and standards hh 12 3 1 2 Man tacturers Declaration cierras nre ap ek acer Db Ras RR AT he PhD un ors REOR ar os A G 12 32 Technicaldata a eo Oi ae Uo cta ev anb bh eh d aed rte d eL 12 3 2 1 Technical data Boiler space heaters in accordance with ErP guideline 12 3 2 2 data MiG Dolus Ed Sog d eR deed 13 3 2 3 Tables of sensor values gt tee wee E RR eR EU ER Ek E qd Caos Awa 15 3 2 4 Pressure drop secondary Circuits e e Eae eU Eod 16 3 2 5 Dimensions and connections ss rari nets 17 3 2 6 Wiring pec gei RE Rh 19 4 Description of the ac RR Der ben DUE UR UE TR RUD 20 41 Main COMPONENTS or t e RR GE RE SUR DN Ras utu RR Ue x ARE dunce RS 20 4 1 1 cnl T c 20 4 1 2
15. 0 0 100 Funct output UX21 module 2 See Parameters see Funct output UX21 module 1 prog 7348 7423 None Signal output UX21 module 2 10 V PWM 7425 PWM Funct output UX22 module 2 See Parameters see Funct output UX21 module 1 prog no 7348 7430 None Signal output UX22 module 2 10 V PWM 7432 PWM Function extension module 3 None Multifunctional Heat circuit 1 Heat circuit 2 Heat circuit 3 Solar DHW Primary control system pump 7450 Relay output QX21 module 3 See Parameters see Relay output QX1 prog no 5890 except Flue gas damper K37 c 7451 None Relay output QX22 module 3 See Parameters see Relay output QX1 prog no 5890 except Flue gas damper K37 7452 Relay output QX23 module 3 See Parameters see Relay output QX1 prog no 5890 except Flue gas damper K37 7453 Sensor input BX21 module 3 See Parameters see Sensor input BX21 module 1 prog 7307 7457 None Sensor input BX22 module 3 See Parameters see Sensor input BX21 module 1 prog no 7307 ca 7458 None 76 7636047 02 24082015 9 Settings Configuration of extension m
16. h min 2nd Time OFF 504 524 544 Eu h min 3rd Time ON 505 525 545 Eu h min 3rd Time OFF 506 526 546 Eu h min Copy 515 535 555 Eu Default values 516 536 556 Eu No No Yes 1 Parameters only visible if heating circuit is installed Time program heating circuit 4 DHW Prog no Level Standard value Select Mon Sun 560 Eu Mon Mon Sun Mon Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun 1st Time ON 561 Eu 05 00 h min 1st Time OFF 562 Eu 22 00 h min 2nd Time ON 563 Eu h min 2nd Time OFF 564 Eu h min 3rd Time ON 565 Eu h min 3rd Time OFF 566 Eu h min Copy 575 Eu Default values 576 Eu No No Yes Time program heating circuit 5 Prog no Level Standard value Select Mon Sun 600 Eu Mon Mon Sun Mon Fri Sat Sun Mon Tue Wed Thu Fri Sun 1st Time ON 601 Eu 06 00 h min 1st Time OFF 602 Eu 22 00 h min 2nd Time ON 603 Eu h min 2nd Time OFF 604 Eu h min 3rd Time ON 605 Eu h min 3rd Time OFF 606 Eu h min 62 7636047 02 24082015 9 Settings Time program heating circuit 5 Prog no Level Standard value Copy 615 Eu Default values 616 Eu No No Yes Holidays heating circuit 1 20 30 Level Standard value Prog no Select 641 651 661 E
17. 2 3 i EC four In the control stop function refer to the section Control stop function operated at minimum value Remove safety cap from the adjustment screw for small load Use a TX 40 Torx key to set CO content at the adjustment screw for full load according to the Technical data Clockwise CO content is increased Counter clockwise content is decreased Replace safety cap on the adjusting screw for small load Note After successful adjustment of the gas valve the CO content must be controlled again at maximum and minimum output and corrected if necessary 7636047 02 24082015 7 5 Finalinstructions 7636047 02 24082015 7 Commissioning For more information see Technical data page 13 7 5 1 Instruction of the customer The customer must be given full explanation of the heating system and how the protective installations work He must be especially instructed about the following The supply air opening must not be closed or restricted The connection nozzle for the combustion air at the top of the device must be accessible for the chimney sweep The following control checks himself that he has to perform himself Pressure check on the manometer Check of the receiver under the blowpipe of the safety valve Only an approved heating specialist may carry out the inspection and cleaning work at intervals 7 5 2 Documents The documents belonging to the heating
18. Off Off Tab 20 Status table burners The following messages are possible under Burner End user Eu Commissioning Engineer menu Status Lockout position Lockout position Start prevention Start prevention In operation In operation Startup Safety time Prepurge Startup Postpurge Shutdown Home run Standby Standby Tab 21 State table buffer storage tank The following messages are possible under Buffer storage tank End user Eu Commissioning Engineer menu Status Hot Hot Frost protection active Frost protection active Charg el imm heater El charg emergency mode El charg source protection Electric charging defrost Electric charging forced Electric charging substitute Charging restricted Charging locked Restricted HW priority Charging active Forced charging active 127 9 Settings 128 End user Eu Commissioning Engineer menu Status Partial charging active Recooling active Recooling via collector Recooling via HW CHs Charged Charged max st tank temp Charged max charging temp Charged forced temp Charged required temp Part charged required temp Charged min charging temp Cold Cold No request No request Tab 22 Status table swimming pool The following messages are possible u
19. mo Sx 9x la E N g m ex 8 mm a 00L 06 SZSAV 451 uorsuejx3 heh pda pda kd heh phen e bX ab z g 7 FLSIN ini MSIJeljouoo 545 09 dd _ 8 2 2 2 5 10726000 FITzTeTe ES IN ZHOS 2 mod 33 7636047 02 24082015 5 Before installation Fig 16 EC four 3 mixed heating circuits and hot water preparation AguaSave and AguaClean optional hydraulic diagram yuez eBe0s MHO Uonoeuuoo AML paniesqo eq eui LGGM Ajersedse jo sajni peydeooe Ajjesouab eu Ajeuondo Ajeuondo Ajeuondo Buneeu ue 6 9 g4 eja eq ued e10N 11 pio 4141 Bulpscooe 4ejueAeJd MOPPLE i e om ueajgenby Uoneutquioo 5 efioug pue 202 NIC J9je
20. Displays Heating to comfort setpoint Heating to reduced setpoint Heating to frost protection setpoint Current process Holiday function active Reference to heating circuits Burner in operation boiler only Cooling active heat pump only Compressor in operation heat pump only Maintenance message Fault message Information level active Setting level active Heating system switched off automatic summer winter changeover or automatic heating limit active Accessories A list of the accessories selection available for the EC four can be found below 4 3 2 Installation of extension modules More application options are available by installing up to 3 extension mod ules of the series EWM B accessories mixer heating circuit solar con nection See More information about the extension module EWM can be found in the nstallation instructions extension module EWM 7636047 02 24082015 5 Before installation 5 1 Regulations governing installation 5 2 Installation requirements 7636047 02 24082015 5 2 1 5 2 2 5 Before installation Caution Installation of the appliance must be done by a qualified engineer in accordance with prevailing local and national regulations Corrosion protection Caution Risk of damage to the device The combustion air must be free from corrosive elements espe cially vapours containing fluorine and chlorine which are found for example in solve
21. Swimming pool sensor B13 Sensor for measurement of swimming pool temperature Solar flow sensor B63 This sensor is required for the solar usage meas urement Solar return sensor B64Solar return sensor B64 this sensor is required for the solar usage measurement m Function input H2 module 1 7311 Function input H21 module 1 7321 Function input H2 module 2 7386 Function input H21 module 2 7396 Function input H2 module 3 7461 and Function input H21 module 3 7471 Noneno function Optg mode change CHs HW Changeover of the operating modes of the heating circuits to reduced or protection operation prog nos 900 1200 1500 and locking of domestic hot water charging in case of closed contact at H21 H22 H2 Operating mode changeover HC1 to HC3 Operating mode changeover for heating circuits to protection or reduced operation Note i Locking of domestic hot water charging is only possible under the setting Optg mode change CHs HW Heat generation lock the heat generator is locked through connecting terminal H2 All temperature demands for heating circuits and DHW are ignored The boiler frost protection function is maintained 121 9 Settings Fig 43 Example of heat demand 10 V V F2 130 F2 100 et 27 F1i 0 lt T T 5 U1 0 0 15 U2 10 IV RA 0000084 122 Note i The chimney sweeper function can be applied in spite of the heat generation lock Error alarm mes
22. 5 B6 B31 ji Primary control Y19 Y20 44 B15 E 5 Freely selectable in QX BX FS DHW flow switch AVS75 390 H2 AVS75 370 H21 Tab 14 Legend Q1 Boiler pump Q2 1 Heating circuit pump Q5 Collector pump Q6 2 Heating circuit pump Q14 System pump Q20 Heating circuit pump HC3 Y1 1 Heating circuit mixer OPEN Y2 1 Heating circuit mixer CLOSED Y5 2 Heating circuit mixer OPEN Y6 2 Heating circuit mixer CLOSED YT Return maintenance valve OPEN Y8 Return maintenance valve CLOSED Y11 3 Heating circuit mixer OPEN 119 9 Settings 120 Y12 3 Heating circuit mixer CLOSED Y19 Primary control mixer OPEN Y20 Primary control mixer CLOSED B1 Flow sensor HC1 B6 Collector sensor B7 Return sensor B12 Flow sensor HC2 B14 Flow sensor HC3 B15 Flow sensor primary control m Relay output QX21 module 1 7301 Relay output QX22 module 1 7302 Relay output QX23 module 1 7303 Relay output QX21 module 2 7376 Relay output QX22 module 2 7377 und Relay output QX23 module 2 7378 Relay output QX21 module 3 7451 Relay output QX22 module 3 7452 and Relay output QX23 module 3 7453 None Relay outputs deactivated Circulating pump Q4 The connected pump serves as a DHW circulation pump see prog no 1660 El imm heater HW K6 With the connected immersion heater the DHW can be c
23. C Temp diff off buffer 3814 E C Charging temp min buffer 3815 E C Temp diff on swi pool 3816 E C Temp diff off swi pool 3817 E C 7636047 02 24082015 67 9 Settings Solar Prog no Level Standard value Charging temp min swi pool 3818 E C Charging prio storage tank 3822 E Hot water storage None Hot water storage tank Buffer storage tank tank Charging time relative prio 3825 E min Waiting time relative prio 3826 E 5 min Waiting time parallel op 3827 E min Delay secondary pump 3828 E 60s Collector start function 3830 E Min run time collector pump 3831 E 20s Collector start function on 3832 E 07 00 h min Collector start function off 3833 E 19 00 h min Collector start funct grad 3834 E min C Collector frost protection 3840 E C Collector overtemp prot 3850 E C Evaporation heat carrier 3860 E 130 C Antifreeze 3880 E Propylene glycol None Ethylene glycol Propylene glycol Ethyl and propyl glycol Antifreeze concentration 3881 E 50 Pump capacity 3884 E 200 I h Pulse unit yield 3887 E 101 Solid fuel boiler Prog no Level Standard value Locks other heat sources 4102 E Off Off On Setpoint min 4110 E 65 C Temp diff on 4130 E 8 C Temp diff off 4131 E 4 C Comparative temp 4133 Buffer sensor B41 Hot water sensor B3 H
24. Charging buffer Charging buffer Charging swimming pool Charging swimming pool Radiation insufficient Min charg temp not reached Temp diff insufficient Radiation insufficient Tab 19 Status table solid fuel boiler The following messages are possible under Solid fuel boiler End user Eu Commissioning Engineer menu Status Manual control active Manual control active Fault Fault Overtemp protect active Overtemp protect active Released Locked manual Locked automatic Min limitation active Min limitation Min limitation part load In operation for CH Min limitation active Protective start Protective start part load 7636047 02 24082015 7636047 02 24082015 9 Settings End user Eu Commissioning Engineer menu Status Return limitation Return limitation part load In operation for CH In part load op for CH In part load op for CH In operation for HW In operation for HW In part load op for HW In part load op for HW In op for CH HW In part load op for CH HW In op for CH HW In part load op for CH HW Overrun active Overrun active In operation In operation Assisted firing active Assisted firing active Released Released Frost protection active System frost protect active Boiler frost prot active
25. m Recooling temp 5055 Setting the temperature for recooling the DHW storage m Recooling collector 5057 Recooling of the overhaeted collector through giving off of the energie to the surrounding of the collector m heater optg mode 5060 Substitute The DHW is only heated by an immersion heater if the boiler signals a malfunction or a boiler lock exists Summer The DHW is heated by an immersion heater if all connecting heating circuits have switched to summer mode As soon at least one heating circuit is switched to heating mode the DHW preparation is tak en over by the boiler again The conditions listed for the immersion heat er under the substitute operating mode are also activated in summer mode Always DHW is heated exclusively by the immersion heater m heater release 5061 24h day Immersion heater permanently released Hot water release Immersion heater released subject to DHW release see prog no 1620 Time hot water Release of the immersion heater via the time switching programme 4 of the local controller m El immersion heater control 5062 External thermostat The storage tank temperature is achieved with an external thermostat without the controller providing a set temperature Hot water sensor The storage tank temperature is achieved with an ex ternal thermostat with setpoint control of the controller m Hot water boost 5070 The DHW push c
26. tion and standards Carry out initial commissioning and any checks necessary Explain the installation to the user If maintenance is necessary warn the user of the obliga tion to check the appliance and keep it in good working or der Give all the instruction manuals to the user 1 4 3 User s liability To guarantee optimum running of the installation you must abide by the following instructions Read and follow the instructions given in the manuals pro vided with the appliance Call on a qualified professional to carry out installation and initial commissioning Get your installer to explain your installation to you Have the required checks and services done by a qualified professional Keep the instruction manuals in good condition close to the appliance 7636047 02 24082015 9 2 Aboutthis manual 2 About this manual 21 General This manual is intended for installers of EC fourboilers Note i The user installation and service manuals are also available on our internet site 2 2 Additional documentation Tab 1 Overview table Here is an overview of the further documents belonging to this heating system Documentation Contents Intended for Technical information Planning documents Description of function Technical data circuit diagrams Basic equipment and accessories Application examples Call for tender texts Planner ins
27. 2055 Storage tank temp max prog no 5051 Storage tank temp max prog no 4751 Swimming pool temp max prog no 2070 1 With swimming pool heating set as priority prog no 2065 the swimming pool will be heated before the storage tanks m Charging time relative prio 3825 If the preferred storage tank corresponding to the charging control not be charged during the time set here the priority goes to the next storage tank or the swimming pool m Waiting time relative prio 3826 Transfer of priority is delayed by the time selected here m Waiting time parallel op 3827 Parallel operation is feasible when using solar primary pumps subject to there being sufficient solar energy available For this in addition to the storage tank currently being heated the next storage tank in the priority order can also be heated in parallel The storage tank switching on for par allel operation can be delayed and stepped by the value set here m Delay secondary pump 3828 Operation of the secondary pump of the heat exchanger indirect coil can be delayed to enable any cold water that may be present to be flushed through the primary circuit first by the pump m Collector start function 3830 If the temperature at the collector with the pump turned off is not meas ured correctly e g with vacuum tubes then a periodic switching on of the pump is possible Caution The temperatures at certain colle
28. example d 2 Ah RA 0000078 7636047 02 24082015 9 Settings No The temperature request remains unchanged The calculated cor rection value is not added Yes The temperature request includes the flow setpoint correction Operating level changeover 898 1198 1498 When an external timer is used above the inputs Hx selection of the oper ating level to which the heating circuits are to be switched is possible Off Reduced On m Optg mode changeover 900 1200 1500 With external change of operating mode via Hx it can be selected whether during automatic operation it is changed from comfort set point to the frost prevention setpoint or reduced setpoint 9 2 7 Domestic water m Hot water temp setpoint 1610 Setting the drinking water nominal value m Reduced temp setpoint 1612 Setting the DHW reduced setpoint m Release 1620 24h day The DHW temperature is continuously controlled to the nomi nal drinking water temperature value independently of the time switching programmes Time setting central heating The DHW temperature will be switched over between the nominal DHW temperature value and the reduced nominal DHW temperature value depending on the time switching pro grams Every time the switching on time is moved forward It is moved forward by 1 hour Time hot water The DHW temperature is changed over between the DHW temperature setpoint and the reduced DHW temperatu
29. iarrann an ey ete epic eae Sore ge ae es 142 12 2 5 142 13 143 13 1 Declaration of conformity note ERR p bow deeded e pr eqs 143 loce EEET 144 7636047 02 24082015 5 1 Safety 1 Safety 1 1 General 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 Shut off the gas supply Open the windows Trace possible leaks and seal them immediately If the gas leak is before the gas meter contact the gas supplier N Danger Danger to life Observe the warnings affixed to the gas condensing boiler Incorrect operation of the gas condensing boil er can lead to considerable damage Danger Danger to life Commissioning settings maintenance and cleaning of gas condensing boilers may only be carried out by a qualified installer AN Danger of electric shock Danger to life due to improper work All electrical work in connection with the installation may only be carried out by a trained electrician Danger Risk of poisoning Never use water from the heating system as drinking water It is contaminated by deposits Caution Danger of freezing If the
30. their port side must have an additional cleaning port in the upper part of the exhaust system or above the roof The exhaust gas pipelines at the outer wall must have at least one clean ing opening in the lower part of the exhaust gas facility For exhaust gas facilities with building heights of 15 00 m in the vertical section a pipe line length of 2 00 m in the horizontal section and a maximum pipeline diameter of 150 mm with a maximum deflection except for deflection di rectly at the boiler and in the shaft one cleaning and inspection opening in the installation room of the EC four is sufficient 7636047 02 24082015 6 5 Electrical connections 7636047 02 24082015 6 Installation The ducts for exhaust gas facilities must not have any openings other than the necessary cleaning and inspection ports as well as openings for back ventilation of the exhaust gas pipe 6 5 1 Electrical connection general Danger Danger to life through incorrect work All electrical work in connection with the installation may only be carried out by a trained electrician AC 230 V 6 10 50 Hz In Germany the VDE 0100 and local regulations must be followed during installation in all other countries follow the relevant regulations The electrical connection should be made with a correct and non reversi ble polarity In Germany the connection can be executed as an accessible plug and socket connection with non reversible p
31. 195 SI 194 OSIASP 81 eu 31 ay seu 94 Buruoisueuuip esnj pue M oH wow Px wp wes w eatw uw s etw exa 3 31v un ZHOS iSwn 53 aur ul pesn FLSIWT ISI 1 AOSC 1092 HVE 9L HVE 9L LG 20 06000 208 31 7636047 02 24082015 Fig 14 four mixed heating circuit and hot water preparation AguaSave and AguaClean optional hydraulic diagram 5 Before installation 01 Buipuoooe uonoeuuoo 2141 JejueAeJd suoneoyioeds esuopuoooJn3 souossoooe jeuondo pue 9u eyoN ueo 9enBy op siy uj 000 yue 5 MHA uonoeuuoo
32. 2 4 Uil ie EE 85 9 2 5 Holiday progra MS s 5 teed bu EX Episco lg denda bte ide oad 85 9 2 6 p Rr 86 7636047 02 24082015 Contents 9 2 7 Domestic Walel tc tea Piva he Sone woh febr Box CORRER Fa ore ce Bee 93 9 2 8 Consumer circuits Swimming pool circuit liie 95 9 2 9 SWIMMING POO CE 95 9 2 10 Primary control fe amp d pump ies cuu t DE Pg cione a a o ac SUR UR eee RT RAP 95 9 2 01 es bbe s bone ded bee Cee Sh oad Gee bee a 96 9212 97 1 6 xe 99 9 2 43 Sola arero pirr ce hia each wena eatin tas a eee eee Gag eee Oe esta masters 101 9 2 14 Solid fueliboller o tom ae ul eka ne A Read eee BS RU SE 103 9 2 15 Buffer storage beds ee gode ee RR Repas Ed eee eS bee 103 9 2 10 Drinking water storage cerei RE RR e PARURE E Moe A CRANE e UR n 105 9 227 eas e RD doy TR epe TR ERU o ena a dla 109 9 2 19 LPB sate ome hein Pave E eee 116 pU eR DE 117 9 2 20 Maintenance speclal operatlon x Rad pp Page Lae bae E adm d eso ee ddnde 117 9 2 21 Configuration of extension modules eR EUER RUE E Reg 119 9 22 22 TEST o e DR Peor Er ttes arie Pors
33. 2 Space requiemenl s xus sogar yon pet E pne Edeka rcd erp Publ eK GRE IN e ol eR 29 5 4 Transport verb gent UE REP debian is RIP be bete eode bb P bee dpa 29 505 Connecting diagrams ore ster bod a ere RU anale R 30 5 5 1 Application examples cerere tirader odr eed eR REPRE E A dut wee gue es qure e ea eue os 30 5 5 2 Legend iue eret t Moat Wi ied doa d bitte dedu eub iS Sean eb dude 39 6 Installation eee eR xe RR E Re Rd 41 OA bare Ens Penne A a 41 6 1 1 Converting the exhiaust connection o etn RERO o eee np when 41 6 1 2 Installing the air supply duct at the tte 42 6 1 3 Installing the air supply duct at the rear iilis RR I 42 7636047 02 24082015 3 Contents 6 2 Hydraulic connection ERE PEE ERAT a ERU a Repas Rutas Puce oro 43 6 2 1 Connecting the heating ceris aes ek eels erar kid ead ease ee Rae RO RR RC E RAD 43 6 2 2 CPP 43 6 2 3 Cond nsat Connection pong deen wens ne esr ey dle cd ee UE ur xo apu e eee E 43 6 3 Gas connections soc cher _____________ ee edie POE EO Des 43 6 3 1 GaS mn 43 6 3 2 Check tightness mori rare wr etae e eese e teet ae n e ae 44 6 3 3 Venting the 9as
34. 5104 E 120s Speed Tv 5105 E 45s Transfer strategy 5130 E Always Always Hot water release Interm circ boost recharging 5139 E 5 Intermediate circuit boost 5140 E 3 C Excess interm circ temp max 5141 E 2 C Flow setp compensation delay 5142 305 Flow setp compensation Xp 5143 E 60 C Flow setp compensation Tn 5144 E 30s Flow setp compensation Tv 5145 E 30s Full charging with B36 5146 E Yes No Yes Min start temp diff Q33 5148 E 3 C Excess interm circ temp del 5151 E 30s 1 Parameters depend on the hydraulic system Configuration Prog no Level Standard value Temps mode CH1 5710 C On Off On Temps mode CH2 5715 C Off Off On Temps mode CH3 5721 C Off Off On Hot water sensor 5730 E Hot water sensor B3 Hot water sensor B3 Thermostat Hot water ctrl elem Q3 5731 E Charging pump No charging request Charging pump Diverting valve Basic pos HW div valve 5734 E Central heating Last request Central heating Hot water Hot water separate circuit 5736 E Off Off On Optg action HW div valve 5737 E Position on CH Position on CH Position on HW 7636047 02 24082015 69 9 Settings Configuration Prog no Level Standard value Ctrl boiler pump HW valve 5774 requests requests Request CH1 HW only Boiler pump at DHW 5775 Off On Solar controlling element 5840 E Diverting valve
35. Charging pump Diverting valve External solar exchanger 5841 E Commonly Commonly Hot water storage tank Buffer storage tank Combi storage tank 5870 E No No Yes Relay output QX1 5890 C Alarm output K10 None Circulating pump Q4 El imm heater HW K6 Collector pump Q5 Cons circuit pump VK1 Q15 Boiler pump Q1 Alarm output K10 heating pump CH3 Q20 Cons circuit pump VK2 Q18 System pump Q14 Heat gen shutoff valve Y4 Solid fuel boiler pump Q10 Time setting 5 K13 Buffer return valve Y 15 Solar pump ext exch K9 Solar ctrl elem buffer K8 Solar ctrl elem swi pool K18 Swimming pool pump Q19 Cascade pump Q25 St tank transfer pump Q11 Hot water mixing pump Q35 HW interm circ pump Q33 Heat request K27 heating pump CH1 Q2 heating pump CH2 Q6 Hot water ctrl elem Q3 Status output K35 Status information K36 Flue gas damper K37 Fan shutdown K38 Relay output QX2 5891 C See Parameters see Relay output QX1 prog no 5890 Relay output QX3 5892 C Hot water ctrl elem Q3 See Parameters see Relay output QX1 prog no 5890 Sensor input BX1 5930 C None Hot water sensor B31 Collector sensor B6 HW circulation sensor B39 Buffer sensor B4 Buffer sensor B41 Common flow sensor B10 Solid fuel boiler sensor B22 HW charging sensor 836 Buffer sensor B42 Common return sensor B73 Cascade return sensor B70 Swimming pool sensor B13 Solar flow sensor B63 Solar return sensor B64 Senso
36. DHW intermediate circuit pump Q33 Heat circuit pump HC1 Q2 Heat circuit pump HC2 Q6 Heat circuit pump HC3 Q20 Collector pump Q5 Solar pump ext exchanger K9 Solar pump buffer K8 Solar pump swimming pool K18 Solid fuel boiler pump Q10 Boiler set point Signal output UX21 module 1 7350 C PWM 10 V PWM Funct output UX22 module 1 7355 C None See Parameters see Funct output UX21 module 1 prog no 7348 Signal output UX22 module 1 7357 C PWM 10 V PWM Function extension module 2 7375 C None None Multifunctional Heating circuit 1 Heating circuit 2 Heating circuit 3 Return temperature controller Solar DHW Primary control system pump Relay output QX21 module 2 7376 C None None Circulation pump Q4 El imm heater DHW K6 Collector pump Q5 Cons circuit pump VK1 Q15 Boiler pump Q1 Bypass pump Q12 Alarm out put K10 Heat circuit pump 020 Consumer circuit pump VK2 Q18 Sys tem pump Q14 Heat gen shut off valve Y4 Solid fuel boiler pump Q10 Time program 5 K13 Buffer return valve Y15 Solar pump ext exchanger K9 Solar actuator buffer K8 Solar actuator swimming pool K18 Swimming pool pump Q19 Flue gas relay K17 Storage tank transfer pump Q11 DHW mixing pump Q35 DHW intermediate circuit pump Q33 Heat request K27 Heat circuit pump HC1 Q2 Heat circuit pump HC2 Q6 DHW control element Q3 Over heating protection K11 Relay output QX22 mod
37. Relay output QX21 module 3 9056 C Off On Relay output QX22 module 3 9057 C Off On Relay output QX23 module 3 9058 C Off On Burner control Prog no Level Standard value Prepurge time 9500 E 20s 80 7636047 02 24082015 9 Settings Burner control Prog no Level Standard value Required output 9504 E EC four 125 kW 73 kW EC four 170 kW 94 kW EC four 215 kW 96 kW EC four 260 kW 120 kW EC four 300 kW 129 kW Required output ignition 9512 E EC four 125 kW 59 3 kW EC four 170 kW 75 5 kW EC four 215 kW 77 1 kW EC four 260 kW 97 7 kW EC four 300 kW 103 9 kW Required output LF 9524 E EC four 125 kW 20 kW EC four 170 kW 28 kW EC four 215 kW 35 kW EC four 260 kW 42 kW EC four 300 kW 48 kW Required output 9529 E EC four 125 kW 125 EC four 170 kW 170 EC four 215 kW 215 four 260 kW 260 four 300 kW 300 Postpurge time 9540 E 20s Fan output speed slope 9626 E EC four 125 kW 37 1 EC four 170 kW 27 6 EC four 215 kW 26 4 EC four 260 kW 20 1 EC four 300 kW 19 9 7636047 02 24082015 81 9 Settings Burner control Prog no Level Standard value Fan output speed Y section 9627 E EC four 125 kW 501 1 EC four 170 kW 517 2 EC four 215 kW 464 4 EC four 260 kW 488 0 EC four 300 kW 431 7 1 The kW settings are ap
38. Switching diff on CHs 2454 E 4 Switching diff off min CHs 2455 E 3 C Switching diff off max CHs 2456 5 Switching diff on HW 2460 E 4 C Switching diff off min HW 2461 5 Switching diff off max HW 2462 E 7 C Delay heat req special op 2470 E 05 Pressure switch shutdown 2500 E Start prevention Start prevention Lockout position Gas energy metering 2550 C Off Off On Gas energy metering correction 2551 C 1 0 1 The kW settings are approximate values Exact values can be determined by the gas meter for example Cascade Prog no Level Standard value Lead strategy 3510 E Late on late off Late on early off Late on late off Early on late off Release integral source seq 3530 E 50 C min Reset integral source seq 3531 E 20 C min Restart lock 3532 E 300 5 Switch on delay 3533 E 10 min Auto source seq ch over 3540 E 100 h Auto source seq exclusion 3541 E None None First Last First and last Leading source 3544 E Source 1 Source 1 Source 2 Source 3 Source 4 Source 5 Source 6 Source 7 Source 8 Source 9 Source 10 Source 11 Source 12 Source 13 Source 14 Source 15 Source 16 Return setpoint min 3560 E 8 C Temp differential min 3590 C Solar Prog no Level Standard value Temp diff on 3810 C 8 C Temp diff off 3811 C 4 C Charg temp min HW st tank 3812 E C Temp diff on buffer 3813 E
39. Temp diff on 3810 and Temp diff off 3811 1 0 On off collector pump T Temperature T1 Temp diff on TO Temp diff off TK Collector temperature TL Charging temperature min buffer storage tank swimming pool TS Storage tank temperature t Time The switching on and switching off point of the collector pump is set with these functions Basis is the temperature difference between collector temperature and storage temperature m Charg temp min HW st tank 3812 In addition to the temperature difference reaching a certain minimum col lector temperature is necessary for the storage charging process m Temp diff on buffer 3813 Temp diff off buffer 3814 andCharging temp min buffer 3815 The switching on and switching off point of the collector pump is set with these functions Basis is the temperature difference between collector temperature and storage temperature of the buffer storage tank In addition to the temperature difference reaching a certain minimum col lector temperature is necessary for the buffer storage charging process m Temp diff on swi pool 3816 andTemp diff off swi pool 3817 The solar circuit pump starts or stops if the difference between the solar collector temperature and the swimming pool temperature is exceeded or undershot m Charging temp min swi pool 3818 Temperatures that the collector must have at the least in order to begin charging a swimming pool m Charging prio storage tank 3822
40. available for room unit Caution The parameters of the room unit are overwritten With this the in dividual programming of the regulator in the room unit can be en sured m Activate basic settings 31 The data of the operating unit or room unit are written into the control 83 9 Settings 84 Caution The control parameters are overwritten The factory settings are stored in the operating unit Activation of prog no 31 at the operating unit The regulator is reset to factory setting Activation of prog no 31 at the room unit The individual programming of the room unit is written into the control Note i This parameter is only visible if a suitable standard setting is avail able in the programming unit m Used as 40 Room unit 1 Room unit 2 Room unit 3 this setting establishes which heating circuit the room unit on which this setting is made is to be used When Room unit 1 is selected further heating circuits can be assigned under prog no 42 whereas when Room unit 2 Room unit 3 is selected only the relevant heating circuit can be operated Operator unit 1 Operator unit 2 Operator unit 3 this setting is provided for pure operation without room functions and is note required in con nection with this controller Service unit this setting is used for example to back up or save troller settings Assignment device 1 42 If setting Room unit 1 prog no 40 was selected at the
41. be cleaned the burner must be removed see section Removing the burner 1 Remove nuts with washers and release the the fan with seal from the burner cover 2 Remove screws and release venturi pipe incl gas valve with seal from the fan 3 Clean fan with compressed air 4 Reassemble burner in the opposite sequence Note Use new seals when reassembling the burner 5 Reinstall the burner For more information see Removing the burner page 132 10 3 8 Changing the ignition electrodes Note i To avoid an influence of the ionization current by the ignition the ignition electrode must only immerse into the edge of the flame 135 10 Maintenance 136 RA 0000240 Danger of electric shock Danger to life due to electric current Before service work is started the boiler has to be de energised and secured from accidentally being switched back on The following steps describe how to change the ignition electrodes 1 Loosen ignition cable 2 Loosen nuts and pull the ignition electrode block with seal out of the burner cover Note i The illustration shows removal of the ignition electrodes from the EC four 125 kW 170 kW Removal of the ignition electrodes from the EC four 215 kW 300 kW is carried out in the same way 3 Insert the new ignition electrode block with seal and fasten with nuts Note i Please note The spacing and installation positions specified in the sect
42. chimneys of different manufactur ers The selected air flue gas chimney must have approval by the building supervisory authority DIBt for multiple usage opera tion suitability Diameter heights and maximum number of devices can be taken from the design tables of the approval certificate Height above the roof With regard to the minimum height above the roof country specific regulations regarding chimneys and flue gas systems are applicable 6 4 5 Assembly of the flue gas system Warning Danger of injury by not wearing working gloves Working gloves must be worn during assembly of the flue gas sys tem m Mounting with gradient The flue pipe must be routed at a gradient to the EC four so that the con densation from the flue pipe can drain from the flue pipe to the central con densation collector of the EC four The min downward slopes are horizontal flue pipe min 3 min 5 5 cm per metre external wall duct min 1 min 2 0 cm per metre m Shortening of the pipes All simple and concentric pipes may be shortened After cutting the ends of the pipes have to be thoroughly de burred When a concentric pipe is shortened a piece of pipe at least 6 cm long must be cut off the outer pipe The spring washer for centring the inner pipe becomes obsolete m Minimum dimensions of the duct Outer cou Min duct inner dimension pling D short side A round B System mm mm mm SAS 160 DN 160 18
43. delayed by the time set here In this way a slowly opening mixer can already start up before the burner goes into operation Note i If the option Absolute is selected under prog no 1630 the value 0 must be set under this prog no For special functions e g chim ney sweep function the delay does not have an effect see prog no 2470 m Room influence 750 1050 1350 The flow temperature is calculated by means of the heating curve subject to outside temperature This type of control assumes that the heating curve is set correctly since room temperature is not taken into considera tion with this setting 7636047 02 24082015 Fig 31 Room temp limitation TRx RA 0000068 Fig 32 Boost heating t RA 0000069 7636047 02 24082015 9 Settings Note i However if there is a RGT RGTF or RGB room unit connected and the setting room influence is set between 1 and 99 the deviation of the actual and set room temperatures is captured and taken into account in the temperature control In this way any ex ternal heat can be taken into account enabling a constant room temperature to be achieved The influence of the deviation can be set in percentage The more representative the lead room is cor rect room temperature correct installation location etc the high er the value can be set giving the room temperature even greater relevance Caution Should there be radiator valves in th
44. heat supply pump defect radiator valves closed 1 119 Fault pressure switch Check water pressure and top up with water if necessary 121 Flow temperature 1 Heating circuit 1 monitoring 122 Flow temperature 2 Heating circuit 2 monitoring 126 DHW charging monitoring 127 Legionnaire s disease germs temperature not reached 128 Flame failure during operation 132 Gas pressure monitor or air pressure monitor fault Lack of gas contact GW opened external temperature moni tor 133 No flame during the safety time Reset if the fault re occurs several times contact installer lack of gas polarity of mains connection safety period check ignition electrode and ionization current 1 9 146 Configuration fault common message 151 Internal fault Check parameters see adjustment table installer and or call up values unlock LMS replace LMS installer 7 3 152 Parameterization fault 160 Fan fault Fan possibly defective speed threshold set wrongly 3 162 Air pressure monitor does not close 171 Alarm contact H1 or H4 activated 172 Alarm contact H2 EM1 EM2 or EM3 or H5 activated 178 Temperature monitor heating circuit 1 179 Temperature monitor heating circuit 2 183 The device is in parameter setting mode 217 Sensor fault 218 Pressure monitoring 241 Flow sensor solar sensor fault 242 Return sensor solar sensor fault 243 Swimming pool sensor fault 260 Flow temperature 3 sensor fault 270 Monitoring function 317 Mains frequen
45. heating circuit pumps during pure heating mode The calculated pump speed for heating circuit 2 and 3 is only evaluated if these heating circuits are also dependent on the setting of the divert ing valve parameter boiler pump DHW diverting valve control Boiler setpoint The boiler pump modulates its speed so that the current setpoint DHW or buffer storage tank is achieved on boiler flow The speed of the boiler pump should be increased within the specified limits until the burner has reached its upper output limit Temp differential nominal The boiler output is controlled to the boiler setpoint The control of the pump speed controls the speed of the boiler pump so that the nominal rise between the boiler return and boiler flow is ob served If the actual rise is larger than the nominal rise the pump speed is in creased otherwise the pump speed is reduced Burner output If the burner is operated with low output then the boiler pump should also run at low speed During high boiler output the boiler pump should run at high speed Pump speed min 2322 The working range can be defined in percent of output for the modulating pump The control translates the percent data internally to speeds The value 0 corresponds to the minimum pump speed m Pump speed max 2323 The pump speed and with it the power consumption can be limited via the maximum value Output nominal 2330 and Output basic stage 2331 Th
46. kW Product ID no CE 0085 CL 0072 VDE Reg No 40017550 Gas category ll2H3 Installation types B23 C33 C53 Software version V4 2 Nominal heat input range Natural gas Heating kW 20 0 125 0 28 0 170 0 35 0 215 0 42 0 260 0 48 0 300 0 LPG Heating kW 35 0 125 0 35 0 170 0 48 0 215 0 58 0 260 0 58 0 300 0 Nominal heat output range 7636047 02 24082015 13 3 Technical specifications Model EC four EC four EC four EC four EC four 125 kW 170 kW 215 kW 260 kW 300 kW Natural gas 80 60 C kW 19 2 121 6 26 8 165 8 33 5 210 1 40 2 254 5 45 9 294 3 50 30 C kW 21 3 133 1 29 8 181 3 37 4 229 6 44 9 278 1 52 3 322 1 LPG 80 60 C kW 33 5 121 6 33 5 165 8 46 0 210 1 55 5 254 5 55 9 294 3 50 30 C kW 37 2 133 1 37 3 181 3 51 2 229 6 62 0 278 1 63 2 322 1 Standard utilisation Hi Hs 75 60 C 106 5 95 5 106 6 95 6 106 6 95 6 106 7 95 7 106 7 95 7 40 30 C 109 5 98 5 109 6 98 6 109 6 98 6 109 7 98 7 109 7 98 7 Data for design of the chimney to DIN EN 13384 room air dependant operation Flue gas temperature 80 60 C C 57 61 57 61 57 60 57 61 56 60 50 30 C C 30 37 30 37 30 37 30 38 30 37 Flue gas mass flow rate with natural gas 80 60 C g s 9 1 56 8 12 7 7
47. made in prog no 6620 either the heating circuits in this section or all heating circuits in the entire system are switched on and off m Manual source lock 6624 Locally The local generator is locked Segment All generators in the cascade are locked m Hot water assignment 6625 This setting is only necessary if the DHW heating control is provided by the heating circuit time program see prog no 1620 and 5061 Local CHs DHW heating applies only to the local heating circuit 7636047 02 24082015 7636047 02 24082015 9 Settings All CHs in segment DHW heating applies to all heating circuits in this section All CHs in system DHW heating applies to all heating circuits in the sys tem Note i For all settings the controllers which are in holiday status are also taken into account for the DHW preparation m Clock mode 6640 This setting determines the effect of the system time on the controller time setting The following settings are possible Autonomously The time can be adjusted at the controller The time of the controller is not adapted to the system time Slave without remote setting The time cannot be adjusted at the con troller The controller time is constantly synchronised to the system time Slave with remote setting The time can be adjusted at the controller The system time is synchronised simultaneously as the change is adop ted by the master The time of the co
48. max 5102 Setting of the minimum and maximum speed of the storage tank charging pump in percent m Speed Xp 5103 The P band Xp defines the amplification of the controller A smaller Xp val ue leads to a higher actuation of the charging pump with equal control dif ference m Speed Tn 5104 The reset time Tn determines the reaction speed of the controller when compensating for remaining controller differences A shorter reset time Tn leads to faster compensating m Speed Tv 5105 The preholding time Tv determines how long a spontaneous change of the control difference continues to have an effect A short time only influences the control variable only for a short time m Transfer strategy 5130 The transfer is always allowed or to the set DHW release times m Interm circ boost recharging 5139 Setpoint boost for charging setpoint on charging sensor B36 with recharg ing m Intermediate circuit boost 5140 Setpoint boost for charging setpoint on charging sensor B36 with full charging Excess interm circ temp max 5141 With this parameter the end criterion of a full charging during control is specified on the charging sensor B36 If the contents of the stratification cylinder is charged to the bottom the temperature increases on the charg ing sensor m Flow setp compensation delay 5142 The filter time for the setpoint lead is set here m Flow setp compensation 5143 The P band Xp defines the am
49. mm 401 401 514 607 700 Dimension E mm 134 134 163 163 163 Dimension F mm 14 14 14 14 14 Dimension G mm 687 687 851 944 1037 Dimension H mm 530 530 530 630 630 Dimension mm 30 30 90 90 90 Dimension K mm 139 139 50 50 50 Dimension L mm 450 450 202 202 202 Dimension M mm 150 150 167 167 167 18 7636047 02 24082015 3 Technical specifications 3 2 6 Wiring diagram Fig 3 Wiring diagram Line Power 230V 50Hz 135933 B01 20100215 Sx SS RE 6 T6 3AH P1 250V 250V ILN WD ee ili Integrated system automatic controller E ISR LMS14 bl blue br brown gnge green yellow 7 pink rt sw black ws white vi purple Legend ATF Outside temperature monitor QAC 34 B1 lonization electrode BE Operator section Bus BE Bus connection for operator section S1 Operating switch Bus EM Bus connection for extension module S2 Reset switch burner control BX1 3 Multifunctional sensor input STB Safety temperatur limiter F4 Water pressure monitor T1 Ignition transformer FB Remote control TWF DHW sensor QAZ 36 H1 4 5 Multifunctional input TZP DHW circulation pump GW Gas pressure monitor X11 Interface bus module H6 Input for gas pressure monitor X12 13 Service interfaces HP Heating circuit pump Y2 Gas magnet valve KRF Boiler return s
50. on the days selected under Select prog no 500 520 540 560 600 During the heating phases the system heats to the set comfort setpoint Outside the heating phases the system heats to the reduced setpoint Note i The time programs are only activated in Automatically operating mode 515 615 The time switching program for one day can be copied and assigned to another or several other days Note Day blocks cannot be copied m Default values 516 616 Setting of the default values given in the setting table 9 2 5 Holiday programs m Select 641 661 Note The heating circuits may be set to a selectable operation level with the holiday programme during a certain holiday period 8 holiday periods can be selected with this preselection 85 9 Settings 86 m Start of holiday 642 662 Entering the holiday start m End of holiday 643 663 Entering the holiday end m Operating level 648 668 Selecting the operating level Reduced or Off for the holiday program Note A holiday period always ends on the last day at 12 00 AM 00 00 The holiday programmes are only activated in the operation modeAutomatically 9 2 6 Heating circuits m Comfort setpoint 710 1010 1310 Setting of the comfort setpoint in the heating phases Without room sensor or with the room influence switched off prog no 750 1050 1350 this value is used for calculation of the flow temperature to theoretically
51. output is IN max 1 6 5 5 Appliance fuses Appliance fuse in the control unit ISR Mains fuses T 6 3A H 250V 6 5 6 Connect sensor components Danger Risk of electric shock Danger to life through incorrect work The wiring diagram must be followed Optional accessories must be fitted and connected according to the instructions provided Connect to the mains Check earthing Outdoor temperature sensor included in delivery The outdoor temperature sensor is located in the accessory bag For con nection see wiring plan 6 5 7 Replacing cables All connecting cables except for the mains connection cable have to be replaced by Potterton special cables in case of replacement When replac ing the mains connection cable only cables of the types HO5VV F x 1 mm or 3 x 1 5 mm may be used 6 5 8 Protection against contact After the EC four has been opened the cladding parts to be screwed on should be screwed back on with the appropriate screws to ensure protec tion against contact 1 Fill the heating system using the boiler fill and drain valve BFD valve of the EC four 2 Check the system for leaks max water test pressure 6 bar For more information see m Boiler page 20 7636047 02 24082015 7 Commissioning 7 Commissioning 7 1 General Danger Commissioning may only be carried out by an app
52. parameter pairs for Function value and Voltage value F1 U1 and F2 02 The function value is specified to a factor of 10 i e if you require 100 C you should select 1000 m Frequency value 1 H4 5973 Function value 1 H4 5974 Frequency value 2 H4 5975 and 5976 Function value 2 H4 F Frequency W Water flow The linear sensor curve is defined over two fixed points The setting is done with two parameter pairs for function value and frequency value F1 U1 and F2 U2 m Function output P1 6085 This parameter is used to specify the function for the modulating pumps None No output P1 exists Boiler pump Q1 The connected pump is used for recirculation of the boiler water Hot water pump Q3 Actuator for DHW storage tank HW interm circ pump Q33 Charging pump for DHW cylinder with exter nal heat exchanger e heating pump Q2 The pumped heating circuit HC1 is activated heating pump CH2 Q6 The pumped heating circuit HC2 is activated heating pump CH3 Q20 The pumped heating circuit HC3 is activated Collector pump Q5 A circulation pump for the collector circuit is required for connection of a solar collector Solar pump ext exch K9 If several exchangers are connected the buffer storage must be set at the respective relay output In addition the type of the solar regulating unit must be defined in prog no 5840 Solar pump swi pool K18 If several exchangers are connected the the s
53. plant must be handed over to the customer with the instruction that they have to be kept in the boiler installation room System log with checklist for commissioning with confirmation and legal ly binding signature handed to the customer Only components tested and marked according to the respective standard have been used All components have been installed according to the manufacturer s in struction The whole system conforms to the standard 55 8 Operation 8 Operation 81 Use of the control panel Operator section 0 4 8 12 16 20 Auto fa 24 ROG 10 40 Time and Hours minutes 0 4 8 12 16 20 24 Auto A 3 O PROG No 2 EN Time and date Hours minutes 0 4 8 12 16 20 24 Auto fa Oo 3 PROG No X 40 ES Time and date Hours minutes 0 4 8 12 16 20 24 O7 los XXXXXXXXXXXXXX 0 4 8 1 16 20 2 56 8 1 1 Changing parameters Settings which are not directly changed via the operating panel must be carried out on the setting level The basic programming process is depicted in the following using the ex ample of the setting of Set time and date 1 Press OK The End user display is shown Note 1 If parameters are to be changed on a level other than the end user level please see the note below Use the c
54. reach the set room temperature m Reduced temp setpoint 712 1012 1312 Setting of the desired room temperature during the reduced heating phase Without room sensor or with the room influence switched off prog no 750 1050 1350 this value is used for calculation of the flow temperature to theoretically reach the set room temperature m Frost protection setpoint 714 1014 1314 Setting of the required room temperature during frost protection mode Without room sensor or with the room influence switched off prog no 750 1050 1350 this value is used for calculation of the flow temperature to theoretically reach the set room temperature The heating circuit remains turned off until the flow temperature drops so far that the room tempera ture falls below the frost protection temperature m Heating curve slope 720 1020 1320 Using the heating curve the flow temperature setpoint is formed that is used to regulate the heating circuit subject to the outside temperature The gradient indicates how much the flow temperature changes by with changing outside temperature 7636047 02 24082015 9 Settings Fig 29 Heating curve diagram 4 3 5 3 2 75 2 5 2 25 C 2 100 1 75 90 1 5 80 1 25 2 70 1 60 50 0 76 40 0 5 30 0 25 20 10 0 10 20 30 C AT RA sRE036B AT Outdoor temperature VT Flow temperature Determination of the heating curve gr
55. room controller determine the heating circuits to which room controller 1 is assigned under prog no 42 M Operation CH2 Operation CH3 P 44 46 When Room unit 1 or Operator unit 1 prog no 40 is selected it must be defined under prog no 44 or 46 whether the heating circuits HK2 and HK3 P are to be operated together with heating circuit 1 or independently of heating circuit 1 m Room temp device 1 47 The assignment of room unit 1 to the heating circuits can be selected here CH circuit 1 only The room temperature is sent exclusively to heating circuit 1 For all assigned HCs The room temperature is sent to the heating cir cuits assigned under prog no 42 Action occupancy button 48 You can select the assignment of the presence key here None Pressing the presence key has no effect on the heating circuits CH circuit 1 only The presence key only affects heating circuit 1 For all assigned HCs The presence key affects the heating circuits as signed under prog no 42 m Readjustment room sensor 54 The temperature display of the value transmitted by the room sensor can be corrected here m Software version 70 Display of the current software version 9 2 3 Wireless m List of devices 130 138 The state of the respective device will be displayed under programme numbers 130 to 138 7636047 02 24082015 7636047 02 24082015 9 Settings m Delete all devices 140 The wire
56. sensor fault 68 Room temperature 3 sensor fault 70 Storage tank temp 1 top sensor fault 71 Storage tank temp 2 bottom sensor fault 72 Storage tank temp 3 middle sensor fault 73 Collector temperature 1 sensor fault 81 LPB short circuit or no bus power supply 82 LPB address collision Check addresses of connected control modules 83 BSB wire short circuit Check connection of the room units 84 BSB address collision 2 room devices have the same assignment prog no 42 85 BSB wireless commissioning fault 91 EEPROM fault information of locking mechanism Internal fault LMS process sensor replace LMS heating spe cialist 98 Expansion module 1 fault collective fault 99 Expansion module 2 fault collective fault 100 Two time masters LPB Check time master 102 Clock time master without backup 105 Maintenance message See maintenance code press information button once for de tailed information 109 Boiler temperature monitoring 138 7636047 02 24082015 11 Troubleshooting Fault Fault description Explanations causes code 110 Safety temperature limiter lockout No heat removal STB interruption possible short circuit in the gas internal fuse faulty allow device to cool down and carry out reset if the fault occurs several times inform the in staller 111 Temperature monitor switching off No
57. temp setpoint max 1614 E 65 C Release 1620 Eu Time hot water 24h day Time setting central heating Time hot water Charging priority 1630 E MC shifting PC Absolute Shifting None MC shifting PC absolute absolute Legionella function 1640 E Fixed weekday Off Periodically Fixed weekday Legionella funct periodically 1641 E 3 Legionella funct weekday 1642 E Sunday Monday Tuesday Wednesday Thursday Friday Saturday Sunday Legionella funct time 1644 E Legionella funct setpoint 1645 E 65 C Legionella funct duration 1646 E min Legionella funct circ pump 1647 E On Off On Circulating pump release 1660 C Hot water release Time setting 3 CHP Hot water release Time hot water Time auxiliary Circulating pump cycling 1661 C On Off On Circulation setpoint 1663 E 55 C 64 7636047 02 24082015 9 Settings DHW Prog no Level Standard value Optg mode changeover 1680 E Off None Off On Consumer circuit swimming pool circuit Consumer Consumer Swimming Level Standard value circuit 1 circuit 2 pool circuit Prog no Prog no Prog no Flow temp setp cons request 1859 1909 1959 C 70 C Hot water charging priority 1874 1924 1974 E Yes No Yes Excess heat draw 1875 1925 1975 E On Off On With buffer 1878 1928 1978 E Yes No Yes With prim contr syst
58. usage measurement of solar energy m Pump capacity 3884 Input of the flow of the installed pump for calculation of the brought in vol ume for usage measurement m Pulse unit yield 3887 Defines the flow per pulse for the Hx input The Hx input must be config ured to pulse count for this 9 2 14 Solid fuel boiler m Locks other heat sources 4102 If the solid fuel boiler is activated other heat generators e g oil gas boil ers are blocked as soon as an increase in the boiler temperature is estab lished that indicates that the comparative temperature has been exceeded prog no 4133 m Setpoint min 4110 The boiler pump is only put into operation if the boiler temperature has reached the minimum setpoint set here in addition to the necessary tem perature difference m Temp diff on 4130 Temp diff off 4131 and Comparative temp 4133 1 0 On off boiler pump Bx Comparative actual temperature T1 Temp diff on TO Temp diff off TKx Boiler temperature TS Storage temperature t Time A sufficiently large temperature difference is necessary between the boiler temperature and the comparative temperature for start up of the pump To maintain the comparative temperature the following settings are avail able under prog no 4133 Hot water sensor B3 Hot water sensor B31 The comparative tempera ture is supplied by the DHW sensor B3 B31 Buffer sensor B4 Buffer sensor B41 The comparative temperature is s
59. 0 35 40 WMS m h RA 0000209 3 Pressure drop secondary circuit M Water mass flow EC four 125 kW EC four 170 kW EC four 215 kW EC four 260 kW EC four 300 kW AkRWN HS 16 7636047 02 24082015 3 Technical specifications 3 2 5 Dimensions and connections Fig 2 Dimensions and connections m 692 B de o co i i l as E a rales IP C EC V Lu N 4 oe CH Spy LIEN g REAN 0 N YES 5 Kj AA e o 1 N i us 4 G RA 0000208 Tab 5 Dimensions Model EC four EC four EC four EC four EC four 125 kW 170 kw 215 kW 260 kW 300 kW 1 Air supply duct mm 110 110 125 125 125 2 Heating flow HV Flange DN 65 7636047 02 24082015 3 Technical specifications Model EC four EC four EC four EC four EC four 125 kW 170 kW 215 kW 260 kW 300 kW 3 Heating return HR Flange DN 65 4 Gas connection R1 R 1 R1 R1 R1 5 Safety group connection R 1 R1 174 R 174 R 174 Dimension mm 160 160 200 200 200 Dimension B mm 1008 1008 1171 1264 1357 Dimension C mm 301 301 351 351 351 Dimension D
60. 037A 4 2 Control panel description Fig 7 Operating elements 1 2 ir 0000214 7636047 02 24082015 4 Description of the product 4 1 2 Room device RGT Remote setting of all adjustable control functions of the basic appliance is possible using the room device RGT Figure 1 page 21 Operating mode key heating mode Operating mode key domestic water mode Screen ESC key cancel OK key acknowledgement Presence key Control knob Information key Presence key Manual switching over between heating operation at comfort nominal val ue and heating operation at reduced nominal value is possible with the presence key irrespective of the set time programmes The value switch ed over to stays active until the next modification by the time programme gt N Operating elements ON OFF switch Reset button burner control Blanking plate Reset safety temperature limiter STB Operating mode key domestic water mode Operating mode key heating mode Screen OK key acknowledgement Information key Control knob ESC key cancel Chimney sweep button 21 4 Description of the product Fig 8 Symbols on the display INFO PROG oo 1 oo AA v DL E 1 o1 LI LI ECO 4 3 Accessories and options 22 sREO81B 4 3 1
61. 082015 7636047 02 24082015 9 Settings Heat generation lock The boiler is locked if contact at EX21 is closed Error alarm message Closing the input EX21 results in a control unit in ternal fault message which will also be signalled via a relay output pro grammed as an alarm output or in the remote management system Excess heat discharge An active excess heat discharge enables for example an external source to force the consumers heating circuit DHW storage tank heating circuit pump to draw off the excess heat us ing a signal m Funct output UX21 module 1 7348 Funct output UX22 module 1 7355 Funct output UX21 module 2 7423 Funct output UX22 module 2 7430 Funct output UX21 module 3 7498 and Funct output UX22 module 3 7505 None No function Boiler pump Q1 The connected pump is used for recirculation of the boiler water DHW pump Actuator for DHW storage tank DHW intermediate circuit pump Q33 Actuation of a charge pump for do mestic hot water storage with external heat exchanger Heating circuit pumps HCs Activation of the pump heating circuits HC1 HC3 Collector pump Actuation of a circulating pump when a solar collector is used Solar pump ext exchanger K9 The solar circuit pump for the external heat exchanger K9 must be set here Solar pump buffer K8 If several exchangers are connected the buffer storage tank must be set at the respective relay output and the
62. 10 C State swimming pool 8011 C Diagnostics cascade Prog no Level Standard value Priority state source 1 8100 C Missing Faulty Manual control active Heat generation lock active Chimney sweep funct active Temporarily unavailable Outside temp limit active Not released Released Priority state source 2 8102 C See Parameters see Priority state source 1 prog no 8100 78 7636047 02 24082015 9 Settings Diagnostics cascade Prog no Level Standard value Priority state source 3 8104 C m See Parameters see Priority state source 1 prog no 8100 Priority state source 16 8130 C See Parameters see Priority state source 1 prog no 8100 Cascade flow temp 8138 C Cascade flow temp setp 8139 C Cascade return temp 8140 C Cascade return temp setp 8141 C Source seq ch over current 8150 C Diagnostics heat generation Prog no Level Standard value Boiler pump Q1 8304 E Boiler pump speed 8308 E Boiler temperature 8310 C Boiler setpoint 8311 C Boiler switching point 8312 C Boiler return temp 8314 C Fan speed 8323 C Set point fan 8324 C Current fan control 8325 C Burner modulation 8326 C lonization current 8329 C Hours run 1st stage 8330 Eu Start counter 1st stage 8331 C Hours run heating mode 8338 Eu Hours run HW 8339 Eu Overall gas en
63. 1980 No The consumer circuit is supplied without primary control unit system pump Yes The consumer circuit is supplied from the primary controller on by the system pump 9 2 9 Swimming pool m Setpoint solar heating 2055 When solar energy is used the swimming pool is heated to the setpoint set here m Setpoint source heating 2056 When using the generator heating the swimming pool is heated to the set point set here m Charging priority solar 2065 Setting of which priority the swimming pool will be solar heated The priori ty for the DHW and charging buffer is set under Prog no 3822 Priority 1 The swimming pool is heated before the buffer is charged Priority 2 The swimming pool is heated while the buffer is charged Priority 3 The swimming pool is heated after the buffer is charged m Swimming pool temp max 2070 This parameter sets whether the swimming pool heating by solar charging has priority or not If the swimming pool temp reaches the heating limit set here the collector pump is switched off It is again released if the swim ming pool temp has dropped by 1 C below the maximum heating limit tem perature m With solar integration 2080 Setting of whether the swimming pool heating can be done by solar ener or not 9 2 10 Primary control feed pump m Flow temp setpoint min 2110 and Flow temp setpoint max 2111 With these boundaries a range for the flow setpoint can b
64. 2 140 Fault switch off sesto ett 141 First time commissioning lille 52 Flue gas connection ero cer ete mes 41 kl e gas Systerda s tele deno E ene Cor AR 47 5 system SAS 2 44 Frost protection 5 22 58 G Gas CONNECHON uae zin ata e hok x tec e xe 43 Gas filter ico ee Re tete pd 43 144 H Hardriess stabiliset era ph eee 24 Heating PREMO ey PAPE 58 heating water quality 24 Ignition electrode 135 INEO epe 22 Information Key roi nem 21 Installation room 2 28 Intended Use it 8 lonization 136 lonization electrode replacement 136 K us loda pecu REA EGO 21 ESC KOV Beet ug JU dou eed eee ee eae 21 Information Key rape dq joe RR 21 EEODLS CONCEPTRONIC ERE 21 Presence Key edad rude Ru bowen 21 L language ics eq edo x dett x do tani reso woe 52 Legionella function 59 Liquid gas below ground level 8 M exem ede ewe 20 beg uer dren 20 eu oR naar ed dort
65. 24082015 8 Operation 8 2 5 Adjusting domestic water mode Switched on Domestic water is prepared according to the selected Switching programme Switched off Domestic water preparation has been de activated Note i A setting between 50 and 60 C is recommended for domestic water heating Times for domestic water heating are set in time program 4 DHW For reasons of convenience domestic water heating should start approx 1 h before central heating commences Note Legionella function Once a week every Sunday the legionella function is activated this means the domestic water is heated up to 65 C once in order to eliminate any legionella bacteria in the water 8 2 6 Adjusting comfortable room setpoint How to adjust the comfortable room setpoint is described here 1 Set the comfort setpoint using the control knob The value is taken over automatically 8 2 7 Setting reduced room setpoint How to set the reduced room setpoint is described here 1 Press OK 2 Select the Central heating menu item 3 Press OK 4 Select the Reduced temp setpoint parameter 5 Press OK 6 Set the reduced setpoint at the control knob 7 Press OK 8 Leave the programming level by pressing the operating mode key for heating mode 8 2 8 Emergency mode Manual control If the manual control function is activated the boiler is controlled to the set point manual control All the pumps are switched on Additi
66. 3 Operating phases of the Control Centre LMS The operating phases are displayed after the information key has been pressed Phase number Display Operating state Description of function STY Standby no heat demands Burner on stand by THL1 Fan start up Self test for burner start and fan start up THL1A TV Pre purging time Pre purging fan deceleration time to starting load speed TBRE Waiting time Internal safety tests TW1 TW2 VDE Ignition phase Ignition and start of safety time for flame formation ionisation current build up TSA1 Safety time constant Flame monitoring with ignition TSA2 Safety time variable Flame monitoring without ignition TI Interval time Flame stabilisation MOD Modulating mode Operating burner THL2 Subsequent ventilation with last operating fan Fan continues to run speed THL2A Subsequent ventilation with pre purging fan Fan continues to run speed TNB Burner shut off delay Permitted burner run on time TNN Overrun time Permitted fan run on time STV Start prevention No internal or external release exists e g no water pressure lack of gas SAF Safety switch off STOE Fault position The current fault mode is displayed 7636047 02 24082015 131 10 Maintenance 10 3 Standard inspection and maintenance operations 10 3 1 Checking water hardness The water hardness of the heating water has to be checked within the Scope of the recommend
67. 4 225 245 SAS 200 DN 200 227 256 276 Back ventilation For room air depending operation of the gas condensing boiler with the SAS 160 and SAS 200 the duct below the flue gas connection in the in stallation room must be provided with back ventilation The clear cross section must be at least Amin 125 cm A respective air intake grid is available as accessory 47 6 Installation Fig 25 Assembly of the support rail L3 o 950 OO mn tomm RA 0000157 Fig 26 Insertion into the duct RA 0000158 Assembly 1 The pipes and formed pieces have to be fitted together up to the con nector basis Only the original profile seals of the building kit or the original spare seals may be used between the individual elements Before assembly the seals must be treated with the silicone paste which is part of the scope of delivery When routing the pipes care must be taken that the pipes are installed in line and without tension In this way leaking of the seals is prevented 2 For fastening the support rail in the opposite wall of the duct opening a bore hole d 10 mm must be provided on the level of the
68. 4 37 39 40 14 7636047 02 24082015 3 Technical specifications Model EC four EC four EC four EC four EC four 125 kW 170 kW 215 kW 260 kW 300 kW AT 2 10K mbar 109 132 146 154 156 Sound pressure level 1 m away room air dependent dB A 40 51 40 51 40 52 40 53 40 54 room air independent dB A 39 50 39 50 39 51 40 52 40 53 Boiler weight kg 205 240 285 314 344 Boiler water content 29 34 38 45 53 Height above everything mm 1455 Width mm 692 Depth mm 1008 1171 1264 1357 7636047 02 24082015 3 2 3 Tables of sensor values Tab 3 Resistance values for outside temperature sensor ATF Temperature C Resistance O 20 8194 15 6256 10 4825 5 3758 0 2954 5 2342 10 1872 15 1508 20 1224 25 1000 30 823 Tab 4 Resistance values for all other sensors Temperature C Resistance O 0 32555 5 25339 10 19873 15 15699 20 12488 25 10000 30 8059 35 6535 40 5330 45 4372 50 3605 55 2989 60 2490 65 2084 70 1753 75 1481 15 3 Technical specifications Temperature C Resistance O 80 1256 85 1070 90 915 95 786 100 677 3 2 4 Pressure drop secondary circuit Fig 1 Pressure drop secondary circuit 350 300 250 200 WW mbar 150 100 50 0 5 10 15 20 25 3
69. 5 86 8 A 89 3 Required output LF 9524 F 20 0 35 0 28 0 35 0 35 0 48 0 Fan output speed slope 9626 F 37 1 33 9 27 6 24 1 26 4 23 0 Fan output speed Y section 9627 F 501 1 453 9 517 2 507 4 464 4 446 3 CO content 0 2 9 3 11 0 9 3 11 0 9 3 11 0 EC four EC four Function Prog no Setting level 260 kw 300 kW Natural gas Propane Natural gas Propane Boiler Output basic stage 2331 F 42 58 48 58 Burner control Required output prepurging 9504 F 120 120 129 129 Required output ignition 9512 F 93 4 110 0 103 9 115 5 Required output LF 9524 F 42 0 58 0 48 0 58 0 Fan output speed slope 9626 20 1 19 9 19 9 19 0 Fan output speed Y section 9627 F 488 0 305 7 431 7 306 1 CO content 0 2 9 3 11 0 9 3 11 0 Caution Risk for the environment and the device if CO content is too high When a boiler set for natural gas is put into operation with LPG the adjustment screw for full load on the gas valve must be turned clockwise by half a turn before the boiler is switched on 7 4 4 Manual adjustment of burner output controller stop func tion For controlling the COsvalues theEC four operated in the control stop func tion 1 Press buttonOperating mode button heating operation for approx 3 s The message Controller stop active is displayed 2 Wait until the display has reached the basic display again 3 Press the Info button The message Controller stop setpoint appears on the display The actual modulation degree will be displaye
70. 7 2 15 9 97 6 19 1 118 1 21 8 136 2 50 30 C g s 8 2 52 3 11 5 71 1 14 4 89 4 17 4 108 3 19 7 124 5 For liquid gas 80 60 C g s 15 1 53 9 15 1 73 2 20 7 92 6 25 0 112 0 25 0 129 2 50 30 C g s 14 2 49 4 13 9 67 1 19 2 84 4 23 3 102 2 22 9 117 6 NOx standard emission factor 75 60 C mg kWh 35 CO standard emission factor 50 30 C mg kWh 15 Supply pressure for natural gas min 18 mbar max 25 mbar CO content natural gas 9 3 9 1 9 5 Supply pressure LPG min 42 5 mbar max 57 5 mbar content LPG 11 0 10 8 11 2 allowed pH value condensed water before 4 5 neutralisation Volume condensed water 40 30 C I h 3 0 16 6 4 3 22 6 5 4 29 9 6 0 36 5 7 6 42 4 delivery pressure at flue gas outlet mbar 1 0 Flue gas connection mm 160 200 Connection values IP rating IP 20 Electrical connection 230 50Hz max 6 3 A Max electr power consumption W 170 200 330 350 410 EnEV values 0 24 0 22 0 20 0 18 0 16 Standby losses 70 0 24 0 22 0 20 0 18 0 16 Efficiency 97 3 97 5 97 7 97 9 98 1 Efficiency n100 108 8 108 8 108 9 109 0 109 0 Demand on auxiliary energy 170 200 330 350 410 100 Demand on auxiliary energy Pye 31 34 40 46 51 100 Max water pressure 6 0 bar 0 6 MPa Max operating temperature protection 110 Max flow temp C 90 Volume flow AT 20K kg h 5375 7310 9245 11180 12900 AT 10K kg h 10750 14620 18490 22360 25800 Hydraulic resistance AT 20 mbar 28 3
71. 96x jeuogeedo ZXO Aejoy 1689 se se pes YO LXO 1ndjno 0685 9 uonoes uo 1218 sbumes uonoun4j nuejN sbumes uonoun4 wa z 9125 TUOHEINBYUOD 18S 0 5 195 0j si sBumes uonoun4 way LI 001 06 S SAV YSI 9Inpoui uorsueix3 esuepuoooin3 195 5 om m CHE 4 8 fup CL An 001 06 S7SAV YSI uoisueix3 35 7636047 02 24082015 5 Before installation Fig 18 Boiler cascade with 2 EC four 3 mixing heating circuits hydraulic Bypass and hot water preparation AguaSave and AguaClean optional hydraulic diagram enxe jeuondo ssepnsseid MHO uonoeuuoo JAJEM Ayeuoydo Ajeuogdo jeuondo 921 84 eq
72. C Hot water temp B3 B38 7750 C Boiler temp B2 7760 C Output test UX21 module 1 7780 C Output test UX22 module 1 7782 C Output test UX21 module 2 7784 C Output test UX22 module 2 7786 C 7636047 02 24082015 77 9 Settings Input output test Prog no Level Standard value Output test UX21 module 3 7788 C Output test UX22 module 3 7790 C Sensor temp BX1 7820 C Sensor temp BX2 7821 C Sensor temp BX3 7822 C Sensor temp BX21 module 1 7830 C Sensor temp BX22 module 1 7831 C Sensor temp BX21 module 2 7832 C Sensor temp BX22 module 2 7833 C Sensor temp BX21 module 3 7834 C Sensor temp BX22 module 3 7835 C Voltage signal H1 7840 C Contact state H1 7841 C Open Closed Voltage signal H2 module 1 7845 C Parameters see Contact state H1 Voltage signal H2 module 2 7848 C Parameters see Contact state H1 Voltage signal H2 module 3 7851 C Parameters see Contact state H1 Frequency H4 7862 C Contact state H5 7865 C Open Closed Contact state H6 7872 C Open Closed Input EX21 module 1 7950 C Input EX21 module 2 7951 C Input EX21 module 3 7952 C Status Prog no Level Standard value State central heating CH1 8000 C State central heating CH2 8001 C State central heating CH3 8002 C State hot water 8003 C State boiler 8005 C State solar 8007 C State solid fuel boiler 8008 C State burner 8009 C State buffer 80
73. H1 Off Switching off not activated 7636047 02 24082015 7636047 02 24082015 9 Settings On Switching off activated m Impact heat generation lock 2305 This parameter is used to set whether the heat generator lock should be effective only for heating requests or also for DHW requests Heating mode only Only heating requests are locked DHW requests are still operated Heating and HW mode All heating and DHW requests are locked m Temp differential max 2316 When the pump reaches the maximum speed with the setting temperature rise nominal the temperature difference increases via the boiler The val ue set in temperature rise maximum is not exceeded This is achieved by reducing the boiler setpoint to the current return temperature plus the val ue shown here Caution The limit of the boiler rise may only be performed if a modulating heat circuit pump is configured i e if prog no 6085 Function output P1 is assigned to a heating circuit pump m Temp differential nominal 2317 The spread between boiler flow temperature and boiler return temperature is called the temperature rise For operation with a modulating pump the temperature rise is limited with this parameter m Pump modulation 2320 None The function is switched off Demand Actuation of the boiler pump occurs at the speed calculated for the DHW pump during DHW mode or with the highest calculated speed for the max 3
74. If several heat exchangers indirect coils are tied into the system the heat ing sequence for the connected cylinders can be determined by setting the heating process None Every storage tank is charged alternately with a temperature in crease of 5 until the setpoint has reached level A B C tab 1 Once all setpoints have been reached the setpoints of the next level are applied Hot water storage tank The DHW storage tank is charged as priority during any heating with solar energy at any level A B or C Other con sumers with the same level will only be charged afterwards Once all setpoints have been reached the setpoints of the next level are applied For this heating the DHW cylinder still takes priority Buffer storage tank During any heating with solar energy the buffer storage tank is charged first at any level A B or C Other consumers with the same level will only be charged afterwards Once all setpoints have been reached the setpoints of the next level are applied For this charging the buffer cylinder still takes priority Tab 10 Storage tank setpoints Lev Domestic water stor Buffer storage tank Swimming pool el age tank A Nominal value Buffer setpoint Setpoint solar heat prog no 1610 drag pointer ing prog no 2055 101 9 Settings 102 Charging temp max prog no 5050 Charging temp max prog no 4750 Setpoint solar heat ing prog no
75. M EIE 21 4 2 Controlipanel description Pu DUE Fer Web hee Sd EEG X E E d 21 4 2 1 Operating elements 2 cx xat re aucun Pad db back aes de 21 4 2 2 DISplaySs ee a sem ire e RR RC 22 4 3 Accessories and Ree wa REP ru ped nube Erde ER Let ute ror Pado 22 4 3 1 PCCESSONES P rx rrr 22 4 3 2 Installation of extension modules ot rete Gee 22 5 Before installation _ EU ac 23 5 1 Regulations governing installation scs ce tte 23 5 2 Installati n req iremehts 5 0044 oee ler mh pP Rep ee 23 5 2 1 23 5 2 2 u pply air openlbigs x 2825 23 5 2 3 Heating water requirements P on 24 5 2 4 Further information on the heating Water 2 0 24 5 2 5 Biagrartvor water hardness nes tne sot ope seme Er e e Oo dle pot ciem Gants 25 5 2 6 Treating and preparing the heating 2 25 5 2 7 Walter hardress tlpS nee Ce Re dae e Pa 27 539 Choiceof the loCallorio ispira Rabe ote aude cs dS RF pde bats x RU aed 28 5 3 1 Notes for installation location 002200 meee ees Gee e xo cR e RR UE Re ea eed eR eos 28 5 3
76. Q6 Hot water ctrl elem Q3 Depending on the hydraulics a connected DHW charging pump or diverting valve Status output K35 The status output is operated when a command ex ists from the controller to the burner control If there is a disturbance which prevents the burner control from operating the status output is Switched off Status information K36 The output is set when the burner is in opera tion Flue gas damper K37 This function activates the flue gas damper con trol If the flue gas damper control is activated the burner will only start operating when the flue gas damper is open Fan shutdown K38 This output serves to switch the fan off The output is activated when the fan is needed otherwise it is not activated The fan should be switched off as often as possible in order to minimise the total energy consumption of the system m Sensor input BX1 5930 Sensor input BX2 5931 andSensor input BX3 5932 Functions in addition to the basic functions are made possible by configur ing the sensor inputs None Sensor inputs deactivated Hot water sensor B31 Second DHW sensor which is used for full charging of the legionella function Collector sensor B6 First solar collector sensor in a collector field HW circulation sensor B39 Sensor for DHW circulation return Buffer sensor B4 Lower buffer storage tank sensor Buffer sensor B41 Centre buffer storage tank sensor Common flow sensor B10 Common flow sensor for
77. Rab 49 Maintenance 130 Maintenance 130 Maintenance message 22 130 Manual adjustment of burner output 53 Manual erre mna abet et 59 118 Mounting the gas system 48 O OK KEY epe TL 21 Operating mode keys 21 Domestic water 21 ee ME AE ee ae 21 Operating 5 ori Re 131 Optimum start and stop 90 Outdoor temperature sensor 50 Outside temperature sensor 15 P PACKAGING a dme tardius A ERR 142 pH val e 2 dad eee EE eer 24 Presence Key dde 21 Pressure drop secondary 16 Protection against 50 Protection mode 58 Q Quick 89 R FRECYCIING eto Rost RUSO 142 Reduced setpoint csss uses ms 59 Reduced setpoint increase 90 Regulations oee uie xem oman le wo 12 7636047 02 24082015 Replacing the safety valve 137 Resistance valu68 15 Room
78. adient Enter the lowest calculated outside temperature according to climate zone e g 12 C in Frankfurt into the diagram see Figure 1 page 87 e g ver tical line at 12 C Enter the maximum flow temperature of the heating cir cuit at which a room temperature of 20 C is still calculated to be reached at 12 C outside temperature e g horizontal line at 60 C The intersection of both lines provides the value for the heating curve slope m Heating curve displacement 721 1021 1321 Heating curve correction by parallel offset if the room temperature is gen erally too high or too low m Heating curve adaption 726 1026 1326 Automatic adaptation of the heating curve to the actual conditions as a re sult of which no correction of the heating curve slope is required Note i Automatic adaptation of the heating curve requires the connection of aroom sensor The value for room influence see prog no 750 1050 1350 must be set between 1 and 99 Should there be radiator valves in the lead room where the room sensor is instal led these must be fully opened Summer winter heating limit 730 1030 1330 7636047 02 24082015 87 9 Settings Fig 30 Summer winter heating limit 1 X 20 17 SW 0000067 gt 0 5 10 15 1 88 A Off E On SW Summer winter heating limit T Temperature t Time x Outside temp attenuated prog no 8703 The heating circuit
79. air dependent operation 45 Room temperature pa rx E 59 Comfort Setpoint em eee 59 Reduced setpoint i eresas ccc eee 59 5 Setting the CUIVE m ees 86 Setting the heating 86 Shaft requirements ies ipea n 46 Softening SYST M ere Ee etra doa 24 Space requirement 222 setae e he eee 29 7636047 02 24082015 Index Standards idonea da ra heehee 12 Summer winter heating 1 87 SySEem l9 sity ane Genie shod att ae tmn URL oleae ed 55 T Technical oe tos ed aba RR D RR xn n 13 Technical data in accordance with ErP guideline 12 Tip on energy saving circulating pump 94 Transport 29 Water hardness 25 132 Water presSUne s secs Diet eae eq rs ER s Er ded 57 145 Index 146 7636047 02 24082015 Copyright All technical and technological information contained in these technical instructions as well as any drawings and technical de scriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations POTTESTON COMMERCIAL PART OF BDR THERMEA 7636047 02 24082015
80. ams may need setting For DHW processing a setting of 55 C is recommended Note i Times for domestic water heating are set in time program 4 DHW For reasons of convenience domestic water heating should start approx 1 h before central heating commences 8 2 4 Setting the heating mode The operating mode key for heating mode enables a changeover between the various heating operating modes The selected setting is marked with a bar underneath the operating mode symbol Automatic mode Heating mode according to time program Temperature setpoints 3 according to time program Protection functions plant frost protection overheating protection acti vated Automatic summer winter changeover automatic switching over be tween heating and summer operation from a certain outside temperature onwards Automatic day heating limit automatic changeover between heating and summer operation if outside temperature exceeds the room setpoint value Continuous mode 3 or Heating mode without time program Protection functions activated Automatic summer winter changeover is not activated Automatic day heating limit is not activated Protection mode o No heating operation Temperature according to frost protection setpoint Protection functions activated Automatic summer winter changeover active Automatic day heating limit active 7636047 02 24082015 aRE003A 7636047 02
81. an activated manually or automatically It causes a one time DHW charging to the nominal setpoint Off The DHW push can only activated manually On If the DHW temperature drops by more than two switching differen ces prog no 5024 below the reduced setpoint prog no 1612 it will be recharged once to the DHW nominal setpoint prog no 1610 Note 1 The automatic push only works when DHW operating mode is set Excess heat draw 5085 Excess heat draw off can be triggered by the following functions Maxi mum storage tank temperature automatic push heating priority time push excess heat draw off active inputs H1 H2 H3 or EX2 storage tank re verse cooling solid boiler excess heat draw off If an excess temperature discharge is activated the excess energy can be dissipated through the central heating drawing off heat This can be separately set for each heat ing circuit With buffer 5090 No The DHW storage tank is supplied directly by the boiler Yes The DHW storage tank is supplied by the buffer storage tank m With prim contr system pump 5092 No The DHW storage tank is supplied without primary controller feed pump Yes The DHW oylinder is supplied from the primary controller on by the feed pump m With solar integration 5093 This function determines whether the DHW cylinder should be heated by solar energy 107 9 Settings 108 m Pump speed min 5101 andPump speed
82. ar None of the panels should have slipped and caused large gaps If in doubt re place the insulation 1 Check the combustion room insulation to make sure it is in the cor rect position if the insulation is torn tipped forward or has large gaps it must be replaced 7 Observe the notes the spare parts manual For more information see Removing the burner page 132 10 3 4 Changing the combustion room insulation For the combustion room insulation to be fitted or replaced the burner must have been removed see section Removing the burner 1 Remove the existing combustion room insulation from the rear wall of the heat exchanger 2 Use a vacuum cleaner to remove the residue of the insulation from the heat exchanger 133 10 Maintenance Fig 48 Inserting the combustion room insu 3 Insert a retaining clip with the angled tips from behind into the upper lation insulating panel 4 Insert the insulating panels Insert the upper insulating panel Insert the left insulating panel Insert the right insulating panel Clamp the central insulating panel D in the remaining space 5 Bend the projecting retaining clip by hand over the central insulating panel D Note 1 After installation of the burner the burner pipe is flush to the com bustion room insulation RA 0000234 For more information see Li Removing the burner page 132 10 3 5 Cleaning the burner pipe N
83. ase of fault switch off the reset button on the control panel should be pressed In case of operation disturbances bell symbol in the display the digit in the display on the operating panel indicates the cause of the disturbance see fault code table Burner does not start No voltage at the control and regulating centre No burner signal from the heating circuit control see Fault code ta ble Gas tap closed No ignition Burner goes into fault mode Without flame formation No ignition lonization electrode has ground connection lonization electrode is not connected e No gas Gas pressure too low In spite of flame formation the burner goes into fault mode after expiration of the safety time lonization electrode defective or soiled lonization electrode does not penetrate the flame lonization electrode is not connected Gas pressure not stable 141 12 Disposal recycling 12 Disposal recycling 12 1 Packaging As part of the packaging regulations Potterton provides local disposal fa cilities for the specialist company to ensure correct recycling of all the packaging In order to protect the environment the packaging is 100 re cyclable See Please follow the legal requirements applicable to disposal in your country co 12 2 Appliance disposal The appliance can be returned to Potterton for disposal via a specialist company The manufacturer u
84. ated kW 122 166 210 255 294 Useful heat output at rated heat out P4 kW 121 6 165 8 210 1 254 5 294 0 put and high temperature mode Useful heat output at 3096 of rated P kW 40 5 55 2 69 7 84 4 97 3 heat output and low temperature mode Seasonal space heating energy effi Ns ciency Useful efficiency at rated heat output 74 87 7 87 8 88 0 88 2 88 3 and high temperature Useful heat output at 3096 of rated Ih 97 4 97 5 97 4 97 5 97 4 heat output and low temperature mode Auxiliary electricity consumption Full load elmax kW 0 170 0 200 0 330 0 350 0 410 Part load elmin kW 0 031 0 034 0 040 0 046 0 051 Standby mode Psg kW 0 004 0 004 0 004 0 004 0 004 Other items Standby heat loss Pstpy kW 0 180 0 224 0 258 0 281 0 288 Ignition burner power consumption Pig kW 0 0 0 0 0 0 0 0 0 0 Annual energy consumption Sound power level indoors Lwa dB 66 67 67 67 68 Emissions of nitrogen oxides NOx mg kW 38 38 39 39 39 h 1 Low temperature mode means for condensing boilers 30 C for low temperature boilers 37 C and for other heaters 50 C return tem perature at heater inlet 2 High temperature mode means 60 C return temperature at heater inlet and 80 C feed temperature at heater outlet See The back cover for contact details 3 2 2 Technical data Model EC four EC four EC four EC four EC four 125 kW 170 kW 215 kW 260 kW 300
85. ating pump is released subject to time pro gram 4 m Circulating pump cycling 1661 To save energy the circulation pump is switched on for 10 minutes and off for 20 minutes within the release time m Circulation setpoint 1663 If a sensor is placed in the drinking water distribution pipe it monitors reg ulation and actual value during the legionella function The setpoint set must be observed on the sensor during the dwell time set prog no 1646 The maximum setting of the circulation value is limited by the nominal set point 7636047 02 24082015 7636047 02 24082015 9 Settings Optg mode changeover 1680 Using external switching above the inputs H1 H5 it is possible to select which operating mode is to be switched into Off The function is switched off 9 2 8 Consumer circuits Swimming pool circuit m Flow temp setp cons request 1859 1909 1959 Setting of the flow setpoint is done with this function which is effective during active request of the consumer circuit m Hot water charging priority 1874 1924 1974 Setting as to whether domestic hot water charging takes priority over the consumer circuit swimming pool circuit or not m Excess heat draw 1875 1925 1975 If an excess temperature discharge is activated the excess energy can be discharged heat being drawn by the consumer circuits This can be set separately for each consumer circuit m With prim contr system pump 1880 1930
86. ay 1642 Selection of the weekday for the legionella function m Legionella funct 1644 Setting the start time for the legionella function With setting the legion ella function will be carried out the first time DHW heating is enabled m Legionella funct setpoint 1645 Selecting the set temperature required for killing the bacteria m Legionella funct duration 1646 With this function the time is set during which the legionella function set point is activated to kill germs Note 1 If the colder storage tank temperature rises to above the legionella function setpoint 1 K the legionella function setpoint is consid ered as met and the timer starts running If the storage tank tem perature drops by more than the switching difference 2K below the required legionella function setpoint the duration has to be met again If no duration has been set the legionella function is met immediately when the legionella function setpoint is reached Legionella funct circ pump 1647 On The circulation pump will be switched on in case of active legionella function Warning When legionella function is active there is a risk of scalding at the draw off points m Circulating pump release 1660 Time central heating CH3 The circulating pump is released subject to time program 3 see prog no 540 to 556 Hot water release The circulating pump is released when DHW heating is released Time hot water The circul
87. boiler cascades Solid fuel boiler sensor B22 Sensor for the acquisition of the tempera ture of a solid fuel boiler HW charging sensor B36 DHW sensor for DHW charging systems Buffer sensor B42 Upper buffer storage tank sensor Common return sensor B73 Return sensor for the return diversion func tion Cascade return sensor B70 Common return sensor for boiler cascades Swimming pool sensor B13 Sensor for measurement of swimming pool temp 111 9 Settings 112 Solar flow sensor B63 This sensor is required for the solar usage meas urement Solar return sensor B64 This sensor is required for the solar usage measurement m Function input H1 5950 Function input H4 5970 and Function input H5 5977 None No function Optg mode change CHs HW Changeover of the operating modes of the heating circuits to reduced or protection operation prog nos 900 1200 1500 and locking of domestic hot water charging in case of closed contact at H1 H4 H5 H2 Optg mode changeover CH1 up to Optg mode changeover CH3 Oper ating mode changeover for heating circuits to protection or reduced op eration Note i Locking of domestic hot water charging is only possible under the setting Optg mode change CHs HW Heat generation lock Locking of the boiler in case of closed contact at H1 H4 H5 H2 Error alarm message Closing the inputs H1 H2 gives a control unit in ternal fault message which will also be signalled
88. boiler water The boiler water has to be drained before removal of the safety valve as otherwise water will leak out 137 11 Troubleshooting 11 Troubleshooting 11 1 Fault code table The following is an extract from the fault code table If other fault codes are displayed please inform the installer Fault Fault description Explanations causes code 0 No fault 10 Outside temp sensor fault Check connection or outside temp sensor emergency opera tion 20 Boiler temperature 1 sensor fault Check connection inform heating specialist 25 Boiler temperature solid fuel sensor fault 26 Boiler temperature solid fuel sensor fault 28 Boiler temperature solid fuel sensor fault 30 Flow temperature 1 sensor fault 32 Flow temperature 2 sensor fault Check connection inform heating specialist 38 Boiler temperature solid fuel sensor fault 40 Return temperature 1 sensor fault Check connection inform heating specialist 46 Boiler temperature solid fuel sensor fault 47 Common return temp sensor fault 50 DHW temperature 1 sensor fault Check connection inform heating specialist emergency oper ation 1 52 DHW temperature 2 sensor fault Check connection inform heating specialist 54 Flow temperature DHW sensor fault 57 Drinking water circulation temperature sensor fault 60 Room temperature 1 sensor fault 65 Room temperature 2
89. ck storage pos 7250 E 0 PStick Reg data set 7251 E PStick command 7252 E No operation No operation Reading from stick Writing on stick PStick progress 7253 0 96 PStick status 7254 E No stick Stick ready Writing on stick Reading from stick EMC test active Writing error Reading error Incompatible data set Wrong stick type Stick format error Check data set Data set disabled Reading disabled Configuration of extension modules Prog no Level Standard value Function extension module 1 7300 C Heating circuit 2 None Multifunctional Temps mode CH1 Temps mode CH2 Temps mode CH3 R cklaufregler Solar HW Primary contr system pump Relay output QX21 module 1 7301 C None None Circulating pump Q4 El imm heater HW K6 Collector pump Q5 Cons circuit pump VK1 Q15 Kesselpumpe Q1 Bypasspumpe Q12 Alarm output K10 heating pump CH3 Q20 Cons circuit pump VK2 Q18 System pump Q14 Heat gen shutoff valve 4 Solid fuel boiler pump Q10 Time setting 5 K13 Pufferr cklaufventil Y15 Solar pump ext exch K9 Solar ctrl elem buffer K8 Solar ctrl elem swi pool K18 Swimming pool pump Q19 Flue gas relay K17 St tank transfer pump Q11 Hot water mixing pump Q35 HW interm circ pump Q33 Heat request K27 heating pump CH1 Q2 heating pump CH2 Q6 Hot water ctrl elem Q3 berhitzschutz K11 7636047 02 24082015 73 9 Settings
90. cording to need Maintenance work includes EC four Cleaning the outside The burner must be checked for soiling and then cleaned and serviced if necessary Clean burner areas and heating surfaces Replace wear parts see Spare parts list section Caution Only use original spare parts Check connection and seal locations of water filled parts Check safety valves for correct function Check operating pressure and top up the water if necessary Bleed the heating system and return the gravity lock to operating posi tion Final check and documentation of performed service work See More detailed information about the inspection and service of heat generators is included in BDH ZVSHK Info sheet 14 i In order to guarantee optimum operation of the heat pump we rec ommend concluding a service contract 10 2 1 Maintenance message If the maintenance sign appears in the display 7 maintenance message exists or the system is in special operation 7636047 02 24082015 10 Maintenance 1 Informationstaste Press Further information is displayed 7 m See Ll Maintenance code table Note The maintenance message has not been activated by the setting in the factory 10 2 2 Maintenance code table Servicing code Maintenance description 1 Burner operating hours exceeded 2 3 Burner starts exceeded Maintenance interval exceeded 10 2
91. ction value Building time constant configuration prog no 6110 Outside temperature mixed 0 hrs 2 hrs 5 hrs 10 hrs 15 hrs 20 hrs 50 hrs 15 C 0 3 1 7 7 15 3 23 10 C 0 1 3 3 3 6 7 10 13 4 5 C 0 0 9 2 1 4 3 6 4 8 6 21 5 0 C 0 0 6 1 6 3 2 4 7 6 3 15 8 5 C 0 0 5 1 3 2 5 3 8 5 12 5 10 C 0 0 4 1 2 1 3 1 4 1 10 3 15 C 0 0 4 0 9 1 8 2 6 3 5 8 8 20 C 0 0 3 0 8 1 5 2 3 3 1 7 7 Duration of the quick reduction for reduction by 4 C in hrs Building time constant configuration prog no 6110 Outside temperature mixed 0 hrs 2 hrs 5 hrs 10 hrs 15 hrs 20 hrs 50 hrs 15 C 0 9 7 24 1 10 C 0 3 1 7 7 15 3 23 5 C 0 1 9 4 7 9 3 14 18 6 0 C 0 1 3 3 3 6 7 10 13 4 5 C 0 1 2 6 52 7 8 10 5 26 2 10 C 0 0 9 2 1 4 3 6 4 8 6 21 5 15 C 0 0 7 1 8 3 6 5 5 7 3 18 2 20 C 0 0 6 1 6 3 2 47 6 3 15 8 m Optimum start control max 790 1090 1390 and Optimum stop control max 791 1091 1391 Fig 33 Optimum start and stop control Start time set forward 0 24 Xoff Stop time set forward Xein 3t Xaus 90 ZSP Time switching program TRw Room temperature setpoint TRx Room temperature actual value The optimisation of the on off switching times is a function of time and pos sible with or without room unit With a room unit the changeover of operat ing level compared to the programmed time moves forward so that the buildin
92. ctive m Display system messages 6610 This setting allows system messages which are transmitted via LPB to be suppressed on connected operating elements m Alarm delay 6612 The transmission of the alarm to the BM module can be delayed in the ba sic device by an adjustable time This allows the prevention of unnecessa ry messages to a service location caused by malfunctions which only oc cur briefly e g temperature monitor queried communication errors How ever it must be noted that malfunctions which occur briefly and quickly re occur are also filtered out by this m Action changeover functions 6620 If the setting Central is activated under prog no 6221 and 6223 respec tively the action for this setting can be set The following settings are pos sible Segment The changeover is done for all controllers in the same seg ment System The changeover is done for all controllers in the entire system that is in all segments The controller must be located in segment 0 m Summer changeover 6621 Locally The local heating circuit is switched on and off depending on prog no 730 1030 or 1330 Locally Depending on the settings made in prog no 6620 either the heating circuits in this section or all heating circuits in the entire system are switched on and off m Optg mode changeover 6623 Locally The local heating circuit is switched on and off Centrally Depending on the settings
93. ctors cannot be measured cor rectly if the pump is switched off For this reason the pump must be activated from time to time m Min run time collector pump 3831 The collector pump is periodically switched on for the running time set here m Collector start function on 3832 and Collector start function off 3833 The time when the collector start function starts or stops is set here m Collector start funct grad 3834 As soon as there is a temperature increase on the collector sensor the collector pump switches on The higher the value selected here the great er the temperature rise must be m Collector frost protection 3840 In order to prevent freezing of the collector the collector pump will be acti vated in case of frost danger m Collector overtemp prot 3850 In case of overheating danger charging of the storage tank is continued in order to remove heat When the storage tank safety temperature has been reached charging of the storage tank will be interrupted m Evaporation heat carrier 3860 Pump protecting function to prevent overheating of the collector pump in case of evaporating danger of the heat carrying medium due to high col lector temperature 7636047 02 24082015 Fig 40 Storage tank charging T TKx RA 0000081 7636047 02 24082015 9 Settings m Antifreeze 3880 Information of the antifreeze used m Antifreeze concentration 3881 Input of antifreeze concentration for
94. cy outside of valid range 320 DHW charging temp sensor fault 322 Water pressure too high Check water pressure and drain water if necessary 323 Water pressure too low Check water pressure and top up with water if necessary 324 BX same sensors 325 BX extension module same sensors 326 BX mixer group same sensors 327 Extension module same function 328 Mixer group same function 329 Extension module mixer group same function 330 Sensor BX1 no function 331 Sensor BX2 no function 7636047 02 24082015 139 11 Troubleshooting Fault Fault description Explanations causes code 332 Sensor BX3 no function 335 Sensor BX21 no function EM2 or 336 Sensor 22 no function EM2 or 339 Collector pump Q5 missing 341 Collector sensor B6 missing 342 Solar DHW sensor B31 missing 343 Solar interconnection missing 344 Solar actuator buffer K8 missing 345 Solar actuator swimming pool K18 missing 346 Solid fuel boiler pump Q10 missing 347 Solid fuel boil comp sensor missing 348 Solid fuel boiler address error 349 Storage buffer return valve Y15 missing 350 Storage buffer address error 351 Primary controller supply pump address error 352 Low loss header address error 353 Common flow sensor B10 missing 371 Flow temperature 3 Heating circuit 3 monitoring 372 Temperature monitor HK3 373 Expa
95. d on the display 4 Press OK The setpoint can now be changed 5 Press OK The setpoint displayed is then adopted by the controller 53 7 Commissioning Fig 28 Overview of gas valve j RA 0000225 54 Note i The regulator stop function is stopped by pressing the operating 7 4 5 AUN mode button Heating Operation for approximately 3 seconds reaching the maximum boiler temperature or a time limit If there is demand for heat from a coiled tubing storage tank this demand will continue to be met during the controller stop function Adjusting content Compensation line Adjustment screw for small load Torx TX 40 Adjustment screw for full load Allen key 3 mm Gas pressure monitor Measuring nozzle for inlet pressure m Setting content at max output The CO content at max output is set at the gas valve as follows 1 2 3 4 EC four In the control stop function refer to the section Control stop function operated at maximum value Remove safety cap from the adjustment screw for full load Usea 3 mm Allen key to set CO2 content at the adjustment screw for full load according to the Technical data Clockwise CO content is decreased Counter clockwise CO content is increased Replace safety cap on the adjusting screw for full load m Setting content at min output The CO content at min output is set at the gas valve as follows 1
96. ded for this purpose Compilation of the necessary basic construction kits RLA SAS 160 2 SAS 160 4 SAS 200 RLUA SAS 160 2 SAS 160 4 SAS 200 RLUA RLUA with wall connec SAS 160 2 SAS 160 4 SAS 200 RLUA tion WAS Note Connecting the boiler as RLUA version RLUA set and possibly WAS may give rise to reduced output of the boiler which is com pensated by Potterton customer service Approval number The SAS has been approved by the Deutsche Institut f r Bautechnik DIBt German Institute for Civil Engineering in general conformance with building regulations Approval Number Z 7 2 1104 7636047 02 24082015 6 Installation 6 4 2 Flue gas system Fig 23 four with flue gas piping system SAS for room air dependent and room air independent operation air inlet 50 cm 450 cm depending on boiler output air inlet 1 x 150 cm or 1x75 cm 3 1 RA 0000415 air inlet 1x 150 cm or air inlet 50 cm 450 cm2 depending on boler output B iil wall connection set air inlet 1x 150 cm or 1x75 cm air inlet 1x 150 cm or rear ventilation TH 2559 LI rear ventilatioi E In case of roof central heating installations the installation of the roof duct is only possible if the flue gas pipe can be routed directly without going through other rooms through the roof n case of installation C33 suct
97. deral German states such as fire and construction ordinances as well as heating room guidelines must be observed There should be sufficient space in front of the equipment to carry out inspection and maintenance work Caution Risk of damage to the device Aggressive foreign substances in the combustion supply air can destroy or damage the heat generator Therefore installation in rooms with high humidity see also Operation in wet rooms or heavy dust accumulation is only allowed with room air independent operating modes If the EC four is operated in rooms in which solvents cleaning agents containing chlorine paints glues or similar substances are worked with or in which such substances are stored only room air independent operation is permissible This applies especially for rooms in which ammonia and its compounds are heavily used as well as nitrites and sulphides animal breeding and recycling facili ties battery and galvanising rooms etc During the installation of the EC four under these conditions DIN 50929 Corrosion probability of metallic materials with external corrosion loading as well as information sheet i 158 German Copper Institute is heeded N Caution Risk of damage to the device Furthermore it is to be observed that under aggressive atmos pheres even installations outside the boiler can be corroded This particularly includes aluminium brass and copper installations These must be replaced by
98. diff off min HW 2462 Switching diff off max HW 54 Switching difference off 541 Switching diff off max CHs Switching diff off max HW Sd2 Switching diff off min CHs Switching diff off min HW 543 Switching diff on CHs Switching diff on HW t Time Ti Actual temperature To avoid unnecessary switch off during transient effects the switch off dif ference adapts dynamically depending on the temperature profile see fig m Delay heat req special 2470 The heat request during special operation chimney sweep function con troller stop manual operation is sent to the burner delayed by the time set here In this way slowly opening mixers can already start up before the burner goes into operation Thus a boiler temperature that is too high can be prevented m Pressure switch shutdown 2500 This function checks the static water pressure with the aid of the connec ted water pressure switch Depending on the option set Start prevention or Lockout position a start prevention or lockout position is carried out with a corresponding diagnosis A closed water pressure switch releases the startup of the burner control and the actuation of the pumps A start prevention or lockout position is triggered with the pressure switch open The pump actuation is also locked for protection against dry running If the water pressure increases again and the switch closes again this is auto matically cancelled again with a start prevention and the pu
99. dness Description The boiler type the water hardness and the water volume of the heating system must be known If the volume is above the curve a partial softening of the tap water or addition of hardness stabiliser is re quired Example EC four 125 water hardness 14 E system volume 1 5 m gt no additive required The usual refill volume of the heating system has been taken into account 5 2 6 Treating and preparing the heating water m Determining the system volume The total water volume in the heating system is calculated using the sys tem volume fill water volume plus the top up water volume In the Potterton boiler specific diagrams only the system volume is given to make them easier to read Over the entire service life of the boiler a maximum top up volume of twice the system volume is assumed 25 5 Before installation 26 m Released media Additives The following products are currently released by Potterton The following products are currently released by Potterton Full heating protection from Fernox www fernox com Sentinel X100 from Guanako www sentinel solutions net Jenaqua 100 and 110 from Guanako www jenaqua de Full protection Genosafe A from Gr nbeck Care Sentinel X100 from Conel www conel gmbh de Complete desalination As a general rule fully desalinated water can always be used although a pH value stabiliser is also required The follo
100. e a sufficiently large opening for combustion air available in the installation room The operator must be informed that this opening must never be closed or blocked and that the connecting piece for combustion air on the upper side of the EC four must be kept free at all times 23 5 Before installation 24 5 2 3 Heating water requirements Caution Observe the heating water quality requirements Requirements regarding heating water quality have increased in recent times as system conditions have changed lower heat demand use of gas condensing boilers in cascade in larger projects increased use of buffer storage tanks in combination with solar thermal systems and solid fuel boilers The focus is always on designing systems that guarantee trouble free service over a long period Generally speaking the quality of drinking water is adequate but it must be checked whether the drinking water actually filled into the system is suitable when its hardness is taken into consideration see water hardness diagram Where that is not the case different steps can be taken 1 Using an additive in the fill water to prevent the hardness lime sepa rating inside the boiler and to ensure that the pH value of the system water remains stable hardness stabiliser Use of a softening system to treat the fill water 3 Use of a desalination system to treat the fill water Desalination of fill and top up water to obtain fully desalinated
101. e defined m Syst pump on heat gen lock 2121 This parameter can set whether the system pump is also locked or not when the generator lock is active 95 9 Settings 96 Off The system pump is not locked On When the generator lock is active the system pump is also locked m Mixing valve boost 2130 For the admixture the boiler flow temperature actual value must be higher than the requested setpoint of the mixer flow temperature since this can not be corrected otherwise The controller forms the boiler temperature setpoint from the boost set here and the current flow temperature setpoint m Actuator running time 2134 Setting the actuator running time of the mixing valve used m Primary contr system pump 2150 Before buffer The primary controller feed pump is arranged with existing buffer storage tank hydraulically upstream of the buffer storage tank After buffer The primary controller feed pump is arranged with existing buffer storage tank hydraulically downstream of the buffer storage tank 9 2 11 Boiler m Release below outside temp 2203 The boiler is only put into operation if the mixed outside temperature is be low the threshold set here The switching difference is 0 5 C m Full charging buffer 2208 Under prog no 4810 full charging buffer storage tank is selected wheth er and when the buffer storage tank is fully charged despite automatic generator lock Under prog no 2203 it is set w
102. e directly activated via the chimney sweep button m Manual control 7140 Activation of manual control If the manual control function is activated the boiler is controlled to the setpoint manual control All the pumps are Switched on Additional request will be ignored m Controller stop function 7143 If the controller stop function is activated the burner output set in the set point controller stop is directly requested by the device m Controller stop setpoint 7145 With activated controller stop function the output set here is requested by the device m Telephone customer service 7170 Here the desired telephone number of customer service can be entered m PStick storage pos 7250 The parameterPStick storage pos can be used to select the data set data set number on the stick to be written or read m PStick command 7252 No operation This is the basic state As long as no operation is active on the stick this command is displayed 7636047 02 24082015 7636047 02 24082015 9 Settings Reading from stick Starts reading the data from the stick This operation is only possible with READ sticks The data of the set data set is copied to the LMS control First a check is carried out as to whether the data set may be imported If the data set is incompatible it must not be im ported The display resets toNo operation and displays an error mes sage The textReading from stick remains until the operati
103. e in the heat source is high enough Application with sensor The charging pump is only switched on when the heat source temper ature is above the DHW temperature plus half of the heating excess If the boiler temperature drops below the DHW temperature plus 1 8 of the charging excess during the charging again the charging pump is Switched off again If two DHW sensors for the DHW charging are par ameterized the lower temperature is considered for the discharge safety function normally the DHW sensor B31 Application with thermostat The primary pump is only switched on if the boiler temperature is above the set DHW temperature If the boiler temperature drops be low the DHW nominal setpoint minus the DHW switching difference charging pump is switched off again Off The function is switched off Always The function is always active Automatically The function is only active if the heat generator cannot deliver heat or is not available malfunction generator lock m Charging temp max 5050 With this setting the maximum charging temperature for the connected storage of the solar system is limited If the DHW charging value is excee ded the collector pump switches off Note i The collector pump can be re activated by the collector overheat ing protecting function see programme number 3850 until the storage safety temperature has been reached 7636047 02 24082015 7636047 02 24082015 9 Settings
104. e lead room where the room sensor is installed they must be opened fully Setting for weather compensation with room influence 196 9996 Setting for pure weather compensation Setting for pure room compensation 10096 m Room temp limitation 760 1060 1360 TRx Room temperature actual value TRw Room temperature setpoint SDR Room switching difference P Pump t Time 1 On 0 Off The heating circuit pump is switched on or off subject to room temperature in line with the switching differential set here The switch off point of the pump is set as the difference to the set room setpoint The pump switch on point is 0 25 C below the room setpoint This function is only possible with the RGT RGTF or RGB room unit and active room influence Note 1 A room sensor must be connected This function only applies to pumped heating circuits m Central heating boost 770 1070 1370 TRw Room temperature setpoint TRx Room temperature actual value TRS Room temperature setpoint raised A The boost heating becomes active when the room temperature setpoint is Switched over from protection or reduced mode to comfort mode During the boost heating the room temperature setpoint is increased by the value set here This causes the actual room temperature to rise to the new tem perature setpoint quickly The boost heating ends when the actual room temperature captured by a RGT RGTF or RGB room unit accessories rises to 0 25 C belo
105. e settings under prog no 2330 and prog no 2331 are necessary when setting up boiler cascades with boilers of different output 97 9 Settings 98 Output at pump speed min 2334 and Output at pump speed max 2335 If the option burner output is selected under prog no 2320 the boiler pump is operated up to the set burner output under prog no line 2334 to minimum pump speed From the burner output set under prog no 2335 the boiler pump is operated on maximum pump speed If the burner output lies between these two values the pump speed for the boiler pump is giv en by linear conversion m Fan output heating max 2441 Fan output full charging max 2442 andFan output DHW max 2444 Prog no 2441 With this parameter the maximum boiler capacity can be limited in heating mode Prog no 2442 With this parameter the maximum boiler capacity can be limited in full charging mode for stratification cylinders Prog no 2444 With this parameter the maximum boiler capacity for the DHW mode can be restricted Note 1 These are calculated values The actual output must be calculated using a gas meter for example m Fan shutdown heating mode 2445 This function is used for switching off the supply voltage for the fan The supply voltage for the fan is released as soon as the fan PWM actuation is active or a DHW request exists The switch off is delayed following PWM actuation or discontinuation of the DHW request The dura
106. e speed of the fan can be adjusted with this This is important for com plex installations or change to LPG Prog 9626 corresponds to the slope of the fan curve Prog 9627 corresponds to the displacement of the fan curve in Y direc tion 9 2 26 Info option Different information values are displayed depending on the operating conditions In addition information about the status is displayed 129 10 Maintenance 10 Maintenance 10 1 General 10 2 Maintenance messages Auto By SES 0 40 In B E3 r3 ri RA 0000019 0 4 8 12 16 20 24 130 10 1 1 General instructions In heating and air conditioning systems a regular inspection and mainte nance as required by qualified personnel contribute to correct operation according to the product specification and therefore to ensuring high effi ciency and low environmental pollution in the long term Danger of electric shock Before any work switch off the mains supply to the boiler Before removing parts of the casing the boiler has to be de ener gised Work under voltage removed casing may only be carried out by a trained electrician Caution Only a qualified professional is authorised to clean the inside of the boiler 10 1 2 Inspection and service as required Note We recommend having the EC four inspected annually If the need for maintenance work is found during inspection this should be carried out ac
107. easurement is recorded Checkb sign flue gas damper Feedback input H1 in case of activa ted flue gas damper control Start prevention With this input a burner start can be prevented Consumer request VK1 10V Consumer request VK2 10V The applica tion node external load x receives a voltage signal DC 0 10 V as heat request The linear curve is defined via two fix points voltage value 1 function value 1 and voltage value 2 function value 2 only applies to H1 Preselected output 10V The generator receives a voltage signal DC 0 10 V as output request The linear curve is defined via two fix points voltage value 1 function value 1 and voltage value 2 function value 2 only applies to H1 7636047 02 24082015 Fig 42 Example for two different sensor curves l min F2 100 F2 80 F2 20 0000083 Ui 1 U1 50 U2 600 U2 850 7636047 02 24082015 9 Settings m Contact type H1 5951 Contact type H4 5971 and Contact type H5 5978 With this function the contacts can be set as resting contact contact closed must be opened for activating the function or as working contact contact opened must be closed for activating the function m Voltage value 1 H1 5953 Voltage value 2 H1 5955 Function value 1 H1 5954 andFunction value 2 H1 5956 The linear sensor curve is defined over two fixed points The setting is made with two
108. ed the pump switches off m Save sensors 6200 Sensor modes can be saved under prog no 6200 This is done automati cally however after change of the heating system removal of a sensor the state must be saved again to the sensor terminals m Reset to default parameters 6205 The factory setting of the regulator is written to the regulator Caution The regulator parameters are overwritten The factory settings are stored in the regulator Activation of prog no 6205 The regulator is reset to factory setting m Check no heat source 1 6212 Check no heat source 2 6213 Check no storage tank 6215 and 6217 Check no heating circuits The standard device generates a check number to identify the system scheme this comprises the numbers listed in the table below Tab 11 Check no heat source 1 prog no 6212 Solar External solar ex 2 ET changer Solar A collector field Tank charging Solar diverting Solar charging Solar diverting pump K9 with sensor B6 pump for valve for K pump for valve for DHW DHW stor and collector pump buffer storage tank buffer storage tank B swimming pool 18 swimming pool K18 age tank Q5 K8 K8 2 B Buffer storage tank 0 1 3 DHW B 5 6 8 DHW B 9 DHW B 10 DHW 11 DHW 12 P 13 P 14 15 X 114 7636047 02 24082015 9 Settings Solar External solar ex changer Solar
109. ed maintenance of the boiler and the correspond ing amount of additive has to be added if necessary 10 3 2 Removing the burner The following steps describe how to remove the burner 1 Close gas shut off device Remove front panel of the EC four Release ignition cable ionization line and earthing cable Disconnect connection lines from fan and gas valve Remove the screws on the flange on the venturi pipe Loosen the flue gas silencer with seal in the flange from the venturi pipe Fig 44 Loosening the flue gas silencer from the venturi pipe oO BOON 7 Release gas connection hose from the gas valve RA 0000229 132 7636047 02 24082015 Fig 46 Removing the burner RA 0000232 Fig 47 Position of the combustion room in sulation RA 0000233 7636047 02 24082015 10 Maintenance 8 Remove the nuts and washers 9 Pull the entire burner with burner seal forwards and out Note i The illustration shows removal of the burner from the EC four 125 kW 170 kW Removal of the burner from the EC four 215 kW 300 kW is carried out in the same way Note i Installation of the burner is done in the opposite sequence Use new seals when installing 10 3 3 Checking combustion room insulation Caution Check combustion room insulation after burner removal After removing the burner the combustion room insulation must be checked for the correct position and increased we
110. ed out by an approved installer For the gas side installation and setting the factory setting data of the equipment and optional label should be compared with the local supply conditions An approved thermally activated disconnector valve must be installed up stream of the gas condensing boiler If old gas pipes still exist in the region the installation of a gas filter is rec ommended Residues in pipes and pipe joints should be removed 43 6 Installation 6 4 Air supply flue gas connections 44 6 3 2 Check tightness Danger Danger Danger to life by gas The entire gas inlet pipe particularly the joints must be checked for leakages before commissioning The gas burner valve on the gas burner must be pressure tested at maximum of only 100mbar 6 3 3 Venting the gas line The gas line must be vented before initial commissioning For this open the measuring nozzle for the connecting pressure and vent taking the safety precautions into account Check for tightness of the con nection after venting Danger Danger to life by gas The entire gas inlet pipe particularly the joints must be checked for leakages before commissioning 6 4 1 Flue gas connection For the operation of the EC four as a gas condensing boiler the flue gas pipe should be designed with the flue gas temperature under 120 C flue gas pipe type B The flue gas piping system SAS approved in conform ance with building regulations is inten
111. egory II DVGW Deutsche Vereinigung des Gas und Wasserfaches e V 53123 Bonn Notified Body 0085 Module D EC Gas Appliance Directive DVGW CERT GmbH D 53123 Bonn The producer states the following The above named products fulfil the requirements of the directives and standards They are identical with the prototype examined The production process follows the guidelines of the surveillance procedure The above named products are only for installations in hot water heating systems The installer has to assure that the directives for installation and operation are being followed wll 10 5 5 R amp D Manager 7636047 02 24082015 i V U Patzke Test Laboratory Manager and Delegate for Documentation 143 Index Index A ACCESSES bone ts Fue Sepe o dus RDUM at 22 AddIlV6S bx dee 24 25 26 42 Antifreeze eee nde s 26 Application 30 Automatic day heating 58 Automatic 58 Automatic summer winter changeover 58 B Back ventilation lt sru sc ent ba georg Men 47 Blowpipe of the safety 55 Burner Cleaning 2 RE eels bebe ER 130 Buiiner removal sesno careers tyra pinih e esc ta 132 C Cable lengths os eec rb ed ep 49 Cascade sy
112. em pump 1880 1930 1980 E Yes No Yes Swimming pool Prog no Level Standard value Setpoint solar heating 2055 Eu 26 C Setpoint source heating 2056 Eu 22 C Charging priority solar 2065 E Priority 3 Priority 1 Priority 2 Priority Swimming pool temp max 2070 E 32 C With solar integration 2080 Yes No Yes Primary control feed pump Prog no Level Standard value Flow temp setpoint min 2110 E 8 C Flow temp setpoint max 2111 E 80 C Syst pump on heat gen lock 2121 E Off Off On Mixing valve boost 2130 0 C Actuator running time 2134 E 120s Boiler Prog no Level Standard value Release below outside temp 2203 E C Full charging buffer 2208 E Off Off On Setpoint min 2210 20 C Setpoint max 2212 90 C Setpoint manual control 2214 Eu 60 C Burner running time min 2241 E 1 min Burner off time min 2243 E 3 min SD burner off time 2245 E 20 C Pump overrun time 2250 E 2 min Pump overr time after HW 2253 E 5 min Syst frost prot boiler pump 2300 E Off Off On Boiler pump on heat gen lock 2301 E Off Off On Impact heat generation lock 2305 E Heating and HW Heating mode only Heating and HW mode 7636047 02 24082015 mode 65 9 Settings Boiler Prog no Level Standard value Temp differential max 2316 Temp differential nominal 2317 15 C Pump modulation None Demand Boiler setpoint Temp differential nominal Burner
113. emperature setpoint will be increased The start and end of the increase can be selected Between these two points there is a linear increase of the reduced setpoint up to the comfort setpoint m Continuous pump operation 809 1109 1409 This function is used to suppress the pump switching off during the quick reduction and when the room setpoint is reached room thermostat room sensor or room model No the heating circuit pump boiler pump can be switched off by quick reduction or reaching the room set point Yes the heating circuit pump boiler pump remains switched on even during the quick reduction and after the room setpoint has been reached m Overtemp protect pump circ 820 1120 1420 This function prevents overheating of the pump heating circuit by switching the pump on and off if the flow temperature is higher than the flow tem perature required according to the heating curve e g in case of higher re quests from other consumers m Mixing valve boost 830 1130 1430 The heat demand of the mixer heating circuit to the generator is boosted to above the set value here This boost is intended to correct temperature fluctuations to be able to be compensated with the mixer controller Actuator running time 834 941 1134 Setting the actuator running time of the mixing valve used For mixing circuits a kick start of the mixer drive is carried out after a pump kick start pump is OFF In this case the m
114. ensor QAL 36 KVF Boiler flow sensor QAK 36 670 5 accessories M4 Burner fan P1 PWM control output 7636047 02 24082015 19 4 Description of the product 4 Description of the product 41 Main components Fig 4 Boiler view EC four 125 kW 170 kW QL RA 0000211 Fig 5 Boiler view EC four 215 kW 300 kW 20 4 1 1 Boiler 1 Flue gas connection 2 Boiler flow KV 3 Safety group connection 4 Boiler return KR 5 Air supply duct 6 Gas connection 7 Boiler control LMS 8 Ignition transformer below the control unit 9 lonization electrode 10 Flame inspection window below the control unit 11 Fan 12 Ignition electrode block 13 Venturi 14 Gas valve 15 Heat exchanger 16 Flue gas silencer 17 Pressure sensor 18 Filling and drain valve 19 Cleaning cover 20 Siphon 1 Flue gas connection 2 Boiler flow KV 3 Safety group connection 4 Boiler return KR 5 Air supply duct 6 Gas connection 7 Boiler control LMS 8 Ignition transformer below the control unit 9 lonization electrode 10 Flame inspection window below the control unit 11 Fan 12 Ignition electrode block 13 Venturi 14 Heat exchanger 15 Gas valve 16 Flue gas silencer 17 Pressure sensor 18 Filling and drain valve 19 Cleaning cover 20 Siphon 7636047 02 24082015 Operating interface of the room de vice RGT sRE
115. er QAD 36 TWF Tank sensor B3 Measuring of upper DHW tank temperature Z 36 TWF2 Tank sensor B31 Measuring of lower DHW tank temperature storage tank Z 36 TLF DHW charging sensor B36 Measuring of charging temperature of charging system LSR QAD 36 TVF DHW prim contr sensor B35 Measuring the charging temperature in the drinking water charging system LSR with mixer QAD 36 TZF DHW circulation sensor B39 Measuring the temperature of the hot water circulation return flow QAD 36 SKF Collector sensor B6 Measuring temperature of solar collector Z 36 SKF2 Collector sensor B61 Measuring temperature of solar collector secondary field Z 36 SVF Solar flow sensor B63 Measuring of flow temperature solar circuit Z 36 SRF Solar return sensor B64 Measuring of return temperature solar circuit Z 36 PSF1 Upper storage tank sensor B4 Measuring of upper storage tank temperature Z 36 PSF2 Lower storage tank sensor B41 Measuring of lower storage tank temperature Z 36 PSF3 Middle storage tank sensor B42 Measuring of storage tank temperature mid tank Z 36 FSF Solid fuel boiler sensor B22 Measuring of temperature of woood boiler Z 36 SBF Swimming pool sensor B13 Measuring of pool temperature Z 36 KVF Boiler flow sensor B2 Measuring of boiler temperatur Z 36 Type D is dockable sensor Type 2 is a diving sensor the collector sensor has a black silicon cable the sensor of the SOR S M are Pt 1000 F hler Pumps Te ma Title in the regulation Function Declaration hydra
116. ergy heating 8378 Eu Overall gas energy DHW 8379 Eu Overall gas energy 8380 Eu Gas energy heating 8381 Eu Gas energy DHW 8382 Eu Gas energy 8383 Eu Current phase number 8390 E Solar Gain 24 Hour 8526 Eu Total Solar Gain 8527 Eu Hours run solar 8530 Eu Hours run collector pump 8532 Eu Diagnostics consumers Prog no Level Standard value Outside temp 8700 Eu Outside temp min 8701 Eu 7636047 02 24082015 79 9 Settings Diagnostics consumers Prog no Level Standard value Outside temp max 8702 Eu Outside temp attenuated 8703 E Outside temp composite 8704 E Central heating pump 1 8730 C Off On Speed CH pump 1 8735 C Room temp 1 8740 C Room setpoint 1 Flow temp setpoint 1 Room thermostat 1 8749 C No demand Demand Central heating pump 2 8760 C Off On Heat circ mix valve 2 open 8761 C Off On Heat circ mix valve 2 close 8762 C Off On Speed CH pump 2 8765 C Room temp 2 8770 C Room setpoint 2 Flow temp 2 8773 C Flow temp setpoint 2 Room thermostat 2 8779 C No demand Demand Flow temp setp VK1 8875 C Common flow temp 8950 E Common flow temp setpoint 8951 E Relay output QX1 9031 C Off On Relay output QX2 9032 C Off On Relay output QX3 9033 C Off On Relay output QX21 module 2 9053 C Off On Relay output QX22 module 2 9054 C Off On Relay output QX23 module 2 9055 C Off On
117. es the following should be partic ularly observed Regulations of the accompanying certificate of approval Implementation rules of the DVGW TRGI G 600 Planning laws of the German federal states in accordance with the Com bustion Ordinance and the building regulations Caution Due to the different regulations in the individual federal German states and working flue gas evacuation cleaning and inspection openings etc varying from region to region the district chimney sweep officer responsible should be consulted before assembly is started m Contaminated chimneys Combustion of solid and liquid fuels generates deposits and pollution in the respective flue gas tract Soot contaminated with sulphur and halogen ated hydrocarbons sticks to the inside walls Such flue gas tracts are not suitable for the combustion air supply of heat generators without pretreat ment Contaminated combustion air is one of the main causes of corrosion damage and malfunctions on fuel burning installations If the combustion air has to be drawn via an existing chimney this flue gas tract should be inspected by the district chimney sweep officer responsible and cleaned if necessary Should structural deficiencies e g old broken chimney struc tures oppose its use as a combustion air supply duct suitable measures such as shake out of the fireplace should be taken It must be ensured that there is no contamination of the combustion air with foreign mat
118. evel comfort incl optimization or during active floor curing function with parameterized maximum speed With reduced operating level the pump is controlled with the parameterized minimum speed Characteristic The pump speed of the heating circuit pump is calculated based on the flow temperature actually received and the current flow setpoint The common flow temp setpoint is used for the actual value If no common flow temperature sensor is available the boiler flow actual value is used The temperature actual value is attenuated with a filter time constant for which parameters can be set m Pump speed min 882 1182 1482 The minimum speed for the heating circuit pump can be specified using this function m Pump speed max 883 1183 1483 The maximum speed for the heating circuit pump can be specified using this function m Curve readj at 50 speed 888 1188 1488 Correction of the flow setpoint with reduction of the pump speed by 5096 The correction is calculated using the difference from the flow setpoint ac cording to the heating curve and current room setpoint m Flow setp readj speed ctrl 890 1190 1490 Here it can be specified whether the calculated flow setpoint correction is included in the temperature request or not 7636047 02 24082015 Fig 36 Release depending on the time Switching programmes of the heating circuits example RA 0000077 Fig 37 Release according to time switching programme 4
119. f a diverting valve to Q3 Y3 m Basic pos HW div valve 5734 The base position of the diverting valve is the position in which the divert ing valve DV is in if no request is active Last request The diverting valve DV remains after the last request has ended in this last position Central heating The diverting valve DV goes into the heating circuit position after the last request has ended Hot water The diverting valve DV goes into the DHW position after the last request has ended m Hot water separate circuit 5736 The DHW separate circuit can only be used in a boiler cascade Off The DHW separate circuit function is disabled Each available boiler can feed the DHW storage tank On The DHW separate circuit function is enabled The DHW charging is only done from the boiler defined for this Note i The DHW actuator Q3 must be set under prog no 5731 to Di verting valve for a DHW separate circuit to become effective 109 9 Settings 110 m Ctrl boiler pump HW valve 5774 With this parameter it can be defined for special hydraulic systems that the boiler pump Q1 and the diverting valve Q3 only are responsible for DHW and heating circuit 1 however not for heating circuits 2 and 3 or for the ex ternal consumer circuits All requests The diverting valve is connected hydraulically for all re quests and switches between DHW mode and the remaining requests The boiler pump runs for all req
120. f the interval for maintenance of the burner hrs since maintenance 7041 Burner hours since the last maintenance 117 9 Settings 118 Note i The burner hours are only counted when the maintenance mes sage has been activated Burner start interval 7042 Setting of the interval for burner starts for maintenance Burn starts since maint 7043 Burner starts since the last maintenance Note i The burner starts are only counted when the maintenance mes sage has been activated m Maintenance interval 7044 Setting of maintenance interval in months m Time since maintenance 7045 Passed time since the last maintenance interval Note The time is only counted when the maintenance message has been activated m Fan speed ionization current 7050 Speed limit from which the ionisation current service alarm should be set prog no 7051 if the ionisation current monitoring and therefore a speed increase based on too low ionisation current active is m Message ionization current 7051 Function for display and reset of the burner ionization current maintenance message The maintenance message can only be reset if the reason for maintenance has been eliminated m Chimney sweep function 7130 The chimney sweep function is switched on or off under this prog no Note 1 The function is switched off by the settingOff or automatically if the maximum boiler temperature is reached It can also b
121. for CH HW In part load op for CH HW In part load op for CH HW In part load op for CH HW Released for CH and HW Released for CH and HW In operation for HW In part load op for HW In operation for HW In part load op for HW Released for HW Released for HW 125 9 Settings 126 End user Eu Commissioning Engineer menu Status In operation for CH In operation for CH In part load op for CH In part load op for CH Released for CH Released for CH Overrun active Overrun active Released Released Frost protection active Frost protection active Off Tab 18 Status table solar Off The following messages are possible under Solar End user Eu Commissioning Engineer menu Status Manual control active Manual control active Fault Fault Frost prot collector active Frost prot collector active Recooling active Recooling active Max st tank temp reached Max st tank temp reached Evaporation prot active Evaporation prot active Overtemp protect active Max charging temp reached Overtemp protect active Max charging temp reached Charg HW buffer swi pool Charg HW buffer swi pool Charging HW buffer Charging HW buffer Charging HW swi pool Charging HW swi pool Charging buffer swi pool Charging buffer swi pool Charging HW Charging HW
122. g dynamics heat up and cool down times are taken into account In this way the required temperature level is reached exactly at the pro grammed time If this is not the case too early or too late a new switching time is calculated that is applied next time Without room sensor an advance time is calculated based on the outside temperature and the building time constant prog no 6110 The optimisa tion time advance is limited here to a maximum value By setting the opti misation time 0 the function is switched off m Reduced setp increase start 800 1090 1390 and Reduced setp increase end 801 1101 1401 7636047 02 24082015 Fig 34 Reduced setpoint increase TA2 TK TR TA1 15 TAg RA 0000071 Fig 35 Temperature profile of the floor cur TVw 55 ing function 50 45 Fh Bh 10 Bh 7636047 02 24082015 gt Tag RA 0000072 9 Settings TA1 Reduced setpoint increase start TA2 Reduced setpoint increase end TK Comfort setpoint TR Room temperature reduced setpoint TAg Outside temperature mixed When only a small heating output is required to cover demand the re duced room setpoint can be increased in the case of cold outside temper atures This increase is subject to outside temperature The lower the out side temperature the higher the reduced room t
123. harged according to the operating side DHW storage operating line immersion heater Note The operating mode is set under prog no 5060 Collector pump Q5 Connection of a circulating pump in case of solar collector use Consumer circuit pump VK1 2 Connection of a pump at the input Q15 18 for an additional consumer which is requested via an Hx input Boiler pump Q1 the connected pump is used for recirculation of the boil er water Bypass pump Q12 the connected pump is used as a boiler bypass pump which is used for boiler return temperature control Alarm output K10 Any new fault will be signalled by means of this alarm relay The contact is closed with the delay time selected under prog no 6612 If no fault message exists the contact opens without delay Note i The alarm relay can be reset without having the fault remedied see prog no 6710 The alarm relay can also be closed tempora rily by a message which for example leads to restart heating pump CH3 020 Activating the pump heating circuit System pump Q14 Connection of a feed pump Heat gen shutoff valve YA Connection of a changeover valve for hy draulic de coupling of the heat generator from the rest of the heating system Solid fuel boiler pump Q10 Connection of a circulation pump for the boiler circuit for the connection of a solid fuel boiler Time setting 5 K13 The relay is controlled by time program 5 according to the sett
124. hat the heating pro grams can operate to previously carried out programming m Summer time 5 6 The start of summer time can be set under prog no 5 the end of summer time is set under prog no 6 The time changing is carried out on the Sun day following the set date 9 2 2 Operator section m Change Language 20 This is where you can change the language of the users prompts m Information 22 Temporarily The information display returns to the basic display after 8 minutes Permanently The information display remains permanently displayed af ter call up with the information button m Contrast of display 25 You can select the contrast of the display here Operation lock 26 If this function is activated the following operating elements are locked Operating mode buttons for heating and drinking water mode Rotary selector room temperature comfort setpoint Presence button only room unit m Programming lock 27 If this lock is activated parameters can be displayed but not changed Temporary unlocking Press OK and ESC simultaneously for at least 3 s The lock will be re activated after leaving the setting level Permanent unlocking First temporary unlocking then prog no 27 to Off m Units 29 Here you can choose between SI units C bar and US American units F PSI m Save basic settings 30 The parameters of the regulator are written into the room unit backed up only
125. hether the boiler takes part in the full charging or not Off The boiler does not take part in the full charging of the buffer stor age tank On The boiler takes part in the full charging of the buffer storage tank m Setpoint min 2210 andSetpoint max 2212 As protection function the boiler temperature setpoint can be limited be low by the minimum setpoint prog no 2210 and above by the maximum setpoint prog no 2212 m Setpoint manual control 2214 Temperature to which the boiler is controlled in manual control mode m Burner running time min 2241 Here the period following the commissioning of the burner is selected dur ing which the shutdown differential is increased by 5096 However this setting cannot guarantee that the burner remains operational for the selec ted period m Burner off time min 2243 The boiler minimum pause time only takes effect between heating require ments coming following in sequence The boiler minimum pause time blocks the boiler for a set time m SD burner off time 2245 When a switching difference is exceeded Burner off time min prog no 2243 is aborted The boiler starts despite pausing time m Pump overrun time 2250 andPump overr time after HW 2253 The delay times of the pumps are controlled according to heating mode or drinking water mode m Boiler pump on heat gen lock 2301 Stop of boiler pump in case of activated manual heat generation lock e g via
126. ic compatibility EMC is only guaranteed when the boiler is operated according to purpose The ambient conditions according EN 55014 must be met Operation is only allowed with the casing fitted correctly Correct electric earthing must be ensured by regular checks e g annual inspection of the boiler When appliance parts need replacing only original parts as specified by the manufacturer may be used The gas condensing boilers fulfil the basic requirements of the Efficiency Guideline 92 42 EC as condensing boiler When natural gas is used the gas condensing boilers emit less than 60 9 wn NOx corresponding to the requirements as per S6 of the Ordinance regarding small firing places dated 26 01 2010 1 BImSchV 3 2 Technical data 3 2 1 Technical data Boiler space heaters in accordance with ErP guideline Tab 2 Technical data for boiler space heaters in accordance with ErP guideline Product name EC four EC four EC four EC four EC four 125 kW 170 kw 215 kW 260 kW 300 kW Condensing boiler Yes Yes Yes Yes Yes 12 7636047 02 24082015 3 Technical specifications Product name EC four EC four EC four EC four EC four 125 kW 170 kW 215 kW 260 kW 300 kW Low temperature boiler No No No No No B1 boiler No No No No No Cogeneration space heater No No No No No Combination heater No No No No No Rated heat output Pr
127. iler Time setting 5 K13 The relay is controlled by the time program 5 ac cording to the settings Buffer return valve Y15 This valve must be configured for the return temperature increase reduction or partial charging of the buffer storage tank Solar pump ext exch K9 The solar circuit pump for the external heat ex changer K9 must be set here Solar ctrl elem buffer K8 If several exchangers are connected the buf fer storage tank must be set at the respective relay output and the type of solar regulating unit must be defined under prog no 5840 Solar ctrl elem swi pool K18 If several exchangers are connected the swimming pool must be set at the respective relay output and the type of the solar regulating unit must be defined in prog no 5840 Swimming pool pump Q19 Connection of a swimming pool pump at the input 19 Cascade pump Q25 Common boiler pump for all boilers in a cascade St tank transfer pump Q11 The DHW storage tank can be heated by the buffer storage tank subject to it being hot enough This transfer is brought about by transfer pump Q11 Hot water mixing pump Q35 Separate pump for storage circulation dur ing active legionella function HW interm circ pump Q33 Charging pump for DHW cylinder with exter nal heat exchanger Heat request K27 Output K27 is activated as soon as a heat demand exists in the system heating pump CH1 Q2 heating pump CH2 Q6 The relay is used for ac tuating the heating circuit pump Q2
128. ings Buffer return valve Y15 This valve must be configured for return temper ature increase decrease or the buffer storage tank partial charging Solar pump ext exch K9 The solar circuit pump for the external heat ex changer K9 must be set here Solar ctrl elem buffer K8 If several exchangers are connected the buf fer storage tank must be set at the respective relay output and the type of solar regulating unit must be defined under prog no 5840 Solar ctrl elem swi pool K18 If several exchangers are connected the swimming pool must be set at the respective relay output and the type of the solar regulating unit must be defined in prog no 5840 7636047 02 24082015 7636047 02 24082015 9 Settings Swimming pool pump Q19 Connection of a swimming pool pump at the input Q19 Flue gas relay K17 Relay K17 closes if the flue gas temperature ex ceeds the value set in the control line of prog no 7053 St tank transfer pump Q11 The DHW storage tank can be charged from the buffer storage tank providing it is hot enough This transfer is brought about by transfer pump Q11 Hot water mixing pump Q35 Separate pump for cylinder content circula tion whilst pasteurisation is active HW interm circ pump Q33 Charging pump for DHW cylinder with exter nal heat exchanger Heat request K27 Output K27 is activated as soon as a heat demand exists in the system Heating circuit pump HC1 HC2 The relay is
129. intermediate circuit without heat exchanger 29 Primary controller intermediate circuit 1 heat ex changer Tab 13 Check no heating circuit prog no Heating circuit 3 6217 Heating circuit 2 Heating circuit 1 0 No heating circuit 00 No heating circuit 00 No heating circuit 1 DHW circulation via boiler circuit 01 DHW circulation via boiler circuit 01 DHW circulation via boiler circuit pump pump pump 2 Heating circuit pump 02 Heating circuit pump 02 Heating circuit pump 7636047 02 24082015 115 9 Settings Heating circuit 3 Heating circuit 2 Heating circuit 1 Heating circuit pump mixer 03 Heating circuit pump mixer 03 Heating circuit pump mixer 116 m Software version 6220 Display of the actual software version 9 2 18 LPB system m Device address 6600 andSegment address 6601 The two part LPB address of the controller consists of the 2 digit segment number and the 2 digit device number m Bus power supply function 6604 Off The controller does not provide the bus power supply Automatically The bus power supply is switched on and off by the troller in accordance with the power demand of the bus system m Bus power supply state 6605 Off The bus system power supply by the controller is currently inactive On The bus system power supply by the controller is currently a
130. ion Electrode spacing and installation locations must be hee ded 4 Reconnect the ignition cable For more information see Electrode spacing and installation locations page 137 B 10 3 9 Checking the ionization electrode For measurement of the ionization current pull plug from the gas burner control and connect ammeter between plug and electrode Measurement must be carried out at full load and part load Danger of electric shock Danger to life due to electric current Do not touch plug contacts during the ignition process The ionization electrode must always be in contact with the flame During burner operation the measured ionization flow must display the following values at minimum power 5 pA DC switching threshold at 0 7 uA DC at maximum power gt 10 uA DC If these values are not reached the ionization electrode must be replaced 10 3 1 Changing the ionization electrode 0 Danger of electric shock Danger to life due to electric current Before service work is started the boiler has to be de energised and secured from accidentally being switched back on The following steps describe how to change the ionization electrode 1 Loosen ionization line 7636047 02 24082015 Fig 52 Removing the ionization electrode RA 0000241 Fig 53 Installation locations and spacing 2 RA 0000242 10 4 Specific maintenance instructions 7636047 02 24082015 10 Mainte
131. ion node external load x receives a voltage signal DC 0 10 V as heat request The linear curve is defined via two fix points voltage value 1 function value 1 and voltage value 2 function value 2 only applies to 1 m Contact type H2 module 1 7312 Contact type H21 module 1 7322 Contact type H2 module 2 7387 Contact type H21 module 2 7397 With this function the contact can be set as a resting contact contact closed must be opened for activating the function or as working contact contact opened must be closed for activating the function m Voltage value 1 H2 module 1 7314 to Funct value 2 H2 module 1 7317 Voltage value 1 H2 module 2 7389 to Funct value 2 H2 module 2 7392 Voltage value 1 H2 module 3 7464 and Funct value 2 H2 module 3 7467 F1 Function value 1 F2 Function value 2 S Voltage to Hx U1 Voltage value 1 U2 Voltage value 2 V Flow temperature setpoint The linear sensor curve is defined over two fixed points The setting is made with two parameter pairs for Funktionswert and Spannungswert F1 U1 and 22 02 m Funct input EX21 module 1 7342 Funct input EX21 module 2 7417 and Funct input EX21 module 3 7492 None No function Counter 1st burner stage The counter values operating hours and starts for the first burner stage are counted using the signal at input 21 If this function is not set counter values are counted on the basis of the state of relay K5 7636047 02 24
132. ion of the combustion air through vertical roof duct the mouth of the air pipe must be fitted with a rain hood In case of installation C53 and suction of the combustion air through the outer wall the wall connection kit WAS with filter mat and air pres sure monitors must be used Flue gas pipeline lengths for room air dependent operation Tab 7 Permissible exhaust gas pipeline lengths for room air dependent operation Model EC four EC four EC four EC four EC four 125 kW 170 kW 215 kW 260 kW 300 kW Flue gas mm 160 160 160 200 160 200 160 200 Max pipe length incl 1 m 60 50 30 60 18 60 8 60 elbow 87 7636047 02 24082015 These lengths only apply to single boilers For more elbows the following deductions have to be made 1 elbow 87 5 1 elbow 45 2 1 elbow 15 1 A calculation by Potterton is required for individual cases of room pendent operation of the EC four 45 6 Installation 46 See M More information can be found in the 7echnical information Flue gas pipe lengths for cascade systems See A table of permissible flue gas pipe lengths for cascade systems can be found in the Technical information A calculation by Potterton is required for installations deriving from this ca 6 4 3 General information about the exhaust gas piping system m Standards and regulations Besides the general technical rul
133. ist of parameters 9 Settings See C Subject to system configuration not all parameters listed in the parameter list will be shown on the display To reach the end user Eu Commissioning C and Engineer E setting levels Press the OK Taste Then press the Informationstaste for approx 3 s Select the circuit using the control knob Confirm with the OK Taste Set time and date Prog no Level Standard value Hours minutes 1 Eu 01 00 h min Day month 2 Eu 01 01 day month Year 3 Eu 2030 year Start of summertime 5 E 25 03 day month End of summertime 6 25 10 day month Operator section Prog no Level Standard value Change Language 20 Eu German Information 22 E Temporarily Temporarily Permanently Display of errors 23 E Code and text Code Code and text Contrast of display 25 Eu Operation lock 26 E Off Off On Programming lock 27 E Off Off On Units 29 Eu C bar C bar F PSI Save basic settings 30 E No No Yes Activate basic settings 31 E No No Yes Used as 40 C Room unit 1 Room unit 1 Room unit 2 Room unit 3 P Operator unit 1 Operator unit 2 Operator unit 3 Service unit Assignment device 19 42 C Temps mode CH1 Temps mode CH1 Central heating 1 and 2 Central Heating 1 and 3 P central heatings Operation CH2 44 C Commonly with HC1 Commonly with HC1 Independe
134. ixer is controlled in di rection OPEN and CLOSED The time of activation in direction OPEN corresponds to the drive running time m Floor curing function 850 1150 1450 X Start day Fh Functional heating Ch Curing heating The floor curing function serves controlled drying out of screed floors Off The function is switched off Functional heating Part 1 of the temperature profile is run automatically Curing heating Part 2 of the temperature profile is run automatically Functional curing heating The whole temperature profile is run automat ically Manually Manual control to the screed setpoint Caution Observe the requirements and standards issued by the screed manufacturer A correct function is only possible with a correctly installed heating system hydraulic electrical systems and settings Deviations can result in damage to the screed The screed function can be stopped prematurely by setting O OFF m Floor curing manually 851 1151 1451 Setting of the temperature to which manual control is carried out with floor curing function activated 91 9 Settings 92 m Floor curing setp current 855 1155 1455 Display of the current floor curing setpoint m Days complete current 856 1156 1456 Display of the current floor curing function day m Excess heat draw 861 1161 1461 If the excess temperature draw is activated via input H1 to H5 or a maxi mum temperature is exceeded in the sy
135. justm outside sensor 6100 E 0 C Time constant building 6110 C 10h Central setp compensation 6117 E 20 System frost protection 6120 E On Off On Save sensors 6200 C No No Yes Reset to default parameters 6205 E Check no heat source 1 6212 E Check no heat source 2 6213 E Check no storage tank 6215 E Check no heating circuits 6217 E Software version 6220 E Info 1 OEM 6230 E Info 2 OEM 6231 E Parameter set number OEM 6236 E 7636047 02 24082015 71 9 Settings LPB system Prog no Level Standard value Device address 6600 C 1 Segment address 6601 E Bus power supply function 6604 E Automatically Off Automatically Bus power supply state 6605 E Off On Display system messages 6610 E Yes No Yes System message to alarm relay 6611 E Yes No Yes Alarm delay 6612 E min Action changeover functions 6620 E System Segment System Summer changeover 6621 E Locally Locally Centrally Optg mode changeover 6623 E Centrally Locally Centrally Manual source lock 6624 E Locally Locally Segment Hot water assignment 6625 E CHs in system Local CHs All CHs in segment All CHs in system Note OT limit ext source 6632 E No No Yes Clock mode 6640 C Slave with remote Autonomously Slave without remote setting Slave with remote setting setting Master Outside temp source 6650 E Fault P
136. lease swimpool source htg Excess heat discharge Release swi pool solar Operating level HW Operating level CH1 Operating level CH2 Operating level CH3 Room thermostat CH1 Room thermostat CH2 Room thermostat CH3 Hot water thermostat Pulse count Checkb sign flue gas damper Start prevention Flow measurement Hz Contact type H4 5971 C NO NC NO Frequency value 1 H4 5973 E 0 Function value 1 H4 5974 E 0 Frequency value 2 H4 5975 E 0 Function value 2 H4 5976 E 0 Function input H5 5977 C None None Optg mode change CHs HW Optg mode changeover HW Optg mode changeover CHs mode changeover CH1 Optg mode changeover CH2 Optg mode changeover CH3 Heat generation lock Error alarm message Consumer request VK1 Consumer request VK2 Release swimpool source htg Excess heat discharge Release swi pool solar Operating level HW Operating level CH1 Operating level CH2 Operating level CH3 Room thermostat CH1 Room thermostat CH2 Room thermostat CH3 Hot water thermostat Pulse count Checkb sign flue gas damper Start prevention Contact type H5 5978 C NO NC NO Function output P1 6085 E None Boiler pump Q1 Hot water pump Q3 heating pump CH1 Q2 heating pump CH2 Q6 heating pump CH3 Q20 Collector pump Q5 Solar pump ext exch K9 Solar pump buffer K8 Solar pump swi pool K18 Sensor type collector 6097 E NTC NTC Pt 1000 Readjustm collector sensor 6098 E 0 C Read
137. legio The cylinder is fully charged during the first charging of the day and if the legionella function is enabled otherwise it is recharged Explanations Full charging The stratification cylinder is fully charged The heat de mand is triggered by the top cylinder sensor TWF B3 and ended by sensors TWF and TLF B36 or TWF2 B31 If only one B3 is installed recharging takes place automatically Recharging The stratification cylinder is recharged i e only the area up to the cylinder sensor TWF B3 is heated The heat demand is triggered and ended by the top cylinder sensor TWF B3 m Switching diff 5024 If the DHW temperature is lower than the current setpoint minus the Switching difference set here the DHW charging is started The DHW charging is ended if the temperature of the current setpoint is reached Note At the first DHW release of the day forced charging is performed The DHW charging is also started if the DHW temperature is with in the switching difference as long as it is not less than 1 K un der the setpoint m Charging time limitation 5030 During the DHW charging the room heater depending on the selected charging priority prog no 1630 and the hydraulic switch has too little or no power It is therefore often practical to restrict the time of DHW charg ing m Discharging protection 5040 This function ensures that the DHW circulation pump Q3 only switches on when the temperatur
138. less connections to all units is cancelled here 9 2 4 Time programs m General information about the time programs Note i Time programs 1 and 2 are always assigned to the respective heating circuits 1 3 and only displayed if these heating circuits are present and also turned on in the menu Configuration prog no 5710 and 5715 Time program 3 can be used for heating circuit 3 for the DHW and for the circulation pump depending on the setting and is always displayed Time program 4 can be used for the DHW and for the circulation pump depending on the setting and is always displayed Time program 5 is not assigned a function and can be freely used for any application using an output QX m Select 500 600 Selection of weekday or day blocks The day blocks Mon Sun Mon Fri and Sat Sun assist the adjustment The set times are only copied to the individual weekdays and can be changed in the individual day settings as required The times of the individual weekdays always determine the heating pro gram Note i If a time in a group of days is changed all 3 start stop phases will be copied to the day group automatically To call up groups of days Mon Sun Mon Fri or Sat Sun turn the control knob anti clockwise to call up individual days Mon Tue Wed Thu Fri Sat Sun turn the control knob clockwise m Heating phases 501 606 Up to 3 heating phases can be set per heating circuit These are active
139. mp actuation is released again m Gas energy metering 2550 This parameter is used to switch gas energy metering on or off The coun ter values are not deleted during this process m Gas energy metering correction 2551 The gradient of the linear approximation function is adapted here Value lt 1 Leads to lower gas energy metering Value gt 1 Leads to increased gas energy metering A value of 1 means there is no change compared to the approximation function stored 9 2 12 Cascade m Lead strategy 3510 The heat generators are switched on and off acc to the set lead strategy taking the specified output range into account To switch off the effect of the output range the limits must be set to 0 and 100 and the lead strategy to late on late off Late on early off Additional boilers are switched on as late as possible output range max and switched back off again as soon as possible output range max as few boilers as possible in operation or short running times for additional boilers Late on late off Additional boilers are switched on as late as possible output range max and switched back off again as late as possible out put range max l e as few switching on and off processes as possible for the boilers 99 9 Settings 100 Early on late off Additional boilers are switched on as early as possible output range min and switched back off again as late as possible out pu
140. nance 2 Remove nuts and pull out the ionization electrode with the seal Note i The illustration shows removal of the ionization electrode from the EC four 125 kW 170 kW Removal of the ionization electrode from the EC four 215 kW 300 kW is carried out in the same way 3 Insert the new ionization electrode with seal and fasten with nuts Note i Please note The spacing and installation position specified in the section Electrode spacing and installation locations must be hee ded 4 Reconnect the ionization line For more information see Electrode spacing and installation locations page 137 10 3 1 Electrode spacing and installation locations 1 The installation locations and electrode spacing for the ignition electrodes and the ionization electrode are shown in the following diagram 1 lonization electrode 2 Ignition electrodes 10 3 1 Protection against contact 2 Danger of electric shock Danger to life due by missing shock proof protection To ensure shock proof protection all parts of the boiler to be screwed on the casing parts in particular must be screwed on correctly after work has been completed 10 4 1 Replacing the safety valve A defective safety valve may only be replaced by a genuine spare part When replacing a safety valve care must be taken that the hose connec tion is turned through about 10 downwards so that the water can flow away freely Caution Drain off
141. nction the buffer storage tank sensor B4 is considered With B42 B41 For the full charging function the buffer storage tank sen sor B42 if not available buffer storage tank sensor B41 is considered 9 2 16 Drinking water storage m Forward shift charging 5011 H Heating program M Several times during the day T DHW release The DHW release is pushed forward by the set charge push forward time compared to each heating circuit allocation and kept during the heating cir cuit allocation m Flow setpoint boost 5020 The boiler temperature setpoint for charging the DHW storage tank con sists of the DHW temperature setpoint and the flow setpoint boost m Transfer boost 5021 Through the transfer energy can be moved from the buffer storage tank into the DHW storage tank For this the current buffer storage tank temper ature must be higher than the current temperature in the DHW storage tank This temperature difference is set here m Type of charging 5022 Charging a stratification cylinder if available Recharging The cylinder is only recharged at every DHW demand 105 9 Settings 106 Full charging The cylinder is fully charged at every DHW demand Full charging legio The cylinder is fully charged if the legionella function is enabled otherwise it is only recharged Full charg 1st time day During the first charging of the day the cylinder is fully charged then recharged Full charg 1st time
142. nder Swimming pool End user Eu Commissioning Engineer menu Status Manual control active Manual control active Fault Fault Heating mode restricted Heating mode source Heated max swi pool temp Heated max swi pool temp Heated Heated setpoint solar Heated setpoint source Heating mode Heating mode solar off Heating mode source off Cold Cold 9 2 24 Diagnostics cascade heat generation consumers m Diagnostics cascade heat generation consumers 8100 9058 Displays of different setpoint and actual values relay switching statuses and counter statuses for diagnosis purposes 9 2 25 Burner control m Prepurge time 9500 Pre venting time Caution This parameter must only be changed by a heating specialist m Required output prepurging 9504 Nominal output fan speed during preventing m Required output ignition 9512 Nominal output fan speed during ignition m Required output LF 9524 Nominal output fan speed under boiler in part load 7636047 02 24082015 7636047 02 24082015 9 Settings Note If you change this value please note that prog no 2452 Controller delay fan output is always higher m Required output HF 9529 Nominal output fan speed under boiler in HF m Postpurge time 9540 After venting time Caution This parameter must only be changed by a heating specialist m Fan output speed slope 9626 and Fan output speed Y section 9627 Th
143. ndertakes to recycle the appliance correctly Note i The appliance is recycled by a disposal company If possible the materials especially the plastics are identified This enables cor rect sorting for recycling 142 7636047 02 24082015 13 Appendix 13 1 Declaration of conformity Product Trade mark Product ID number Type Model EU directives Standards EC type examination Surveillance procedure 13 Appendix POITESTON COMMERCIAL Declaration of conformity Condensing gas boiler EuroCondense CE 0085 CL 0072 EuroCondense four 125 EuroCondense four 170 EuroCondense four 215 EuroCondense four 260 EuroCondense four 300 2006 95 EC 2004 108 EC 2009 142 EC 92 42 EEC 2009 125 EC DIN EN 483 1 6 2000 DIN EN 15420 11 2011 DIN EN 656 1 1 2000 DIN EN 15417 1 11 2006 DIN EN 483 1 6 2000 DIN EN 60335 1 VDE 0700 1 2007 02 EN 60335 1 2002 A11 A1 A12 Corr A2 2006 DIN EN 60335 1 A13 VDE 0700 1 A13 2009 05 EN 60335 1 A13 2008 DIN EN 60335 2 102 VDE 0700 Teil 102 2007 04 EN 60335 2 102 2006 DIN EN 62233 VDE 0700 366 2008 11 EN 62233 2008 DIN EN 62233 Ber 1 VDE 0700 366 1 2009 04 62233 Ber 1 2008 DIN EN 55014 1 VDE 0875 Teil 14 1 2007 06 EN 55014 1 2006 DIN EN 61000 3 2 VDE 0838 2 2006 10 EN 61000 3 2 2006 DIN EN 61000 3 3 VDE 0838 3 2009 06 EN 61000 3 3 2008 DIN EN 55014 2 VDE 0875 Teil 14 2 2009 06 EN 55014 2 1997 A1 2001 A2 2008 Requirements of cat
144. nsion module 3 fault collective fault 378 Repetition counter internal fault expired 382 Repetition counter fan fault expired 384 External light 385 Mains undervoltage 386 Fan speed has left valid range 387 Air pressure switch fault 426 Feedback flue damper 427 Configuration flue damper 432 Functional earth X17 not connected 1 Switch off start prevention re start after elimination of fault 2 Parameters according to table Check the installer adjustment table and program to the basic settings or query internal LMS SW diagno sis code and correct the corresponding parameter faults according to fault specification 3 switch off and locking can only be unlocked by reset 11 2 Fault finding 11 2 1 Fault message 1 0000018 440 8 12 16 20 24 a Se CO If the fault symbol appears on the display there is a fault in the heating system 7636047 02 24082015 7636047 02 24082015 11 Troubleshooting 1 Press the information key Further information about the fault is displayed m See Fault code table For more information see Fault code table page 138 11 2 2 Fault switch off A fault switch off is a safety switch off in the case of flame failure during operation After every safety switch off a new ignition attempt is carried out as per program If this does not result in flame formation a fault switch off occurs In c
145. ntenance pH value and the volume of top up water used Tab 6 Table to VDI 2035 Sheet 1 Total heating output Total hardness in in kW subject to the specific system volume lt 20 I kW 2 20 I kW and 50 I kW lt 50I kW 5000 lt 16 8 lt 11 2 lt 0 11 50 200 lt 11 2 lt 8 4 lt 0 11 200 600 lt 8 4 lt 0 11 lt 0 11 7636047 02 24082015 27 5 Before installation 5 3 28 Choice of the location Total heating output Total hardness in in kW subject to the specific system volume lt 20 I kW 20 I kW 50 I kW lt 50I kW gt 600 0 11 0 11 0 11 1 for system boilers lt 0 3 I kW and systems with electric heating elements 5 3 1 Notes for installation location Caution Danger of damage from water The following must be observed when installing the EC four In order to prevent damage due to water particularly due to leak ages in the DHW storage tank suitable precautionary measures should be taken regarding installation Installation room The installation room must be dry the room temperature must be be tween 0 C and 45 C The installation location has to be selected particularly with respect to the routing of the flue gas pipes When installing the boiler the specified wall clearances have to be maintained Along with the general rules of the technology especially the regulations of the fe
146. ntly Operation CH3 P 46 C Commonly with HC1 Commonly with HC1 Independently Room temp device 1 47 C For all assigned HCs CH circuit 1 only For all assigned HCs Occupancy button device 1 48 C For all assigned HCs None Temps mode CH1 For all assigned HCs Readjustment room sensor 54 E 0 0 7636047 02 24082015 61 9 Settings Operator section Prog no Level Standard value Software version 70 1 This parameter is only visible in the room device 2 This parameter is only visible if a suitable standard setting is available in the operating unit 3 This parameter is only visible in the room device as the operating unit in the boiler is programmed permanently to the operating unit Wireless Prog no Level Standard value Outside sensor 133 C Missing Missing In operation No recept n Change batt Delete all devices 140 C No No Yes 1 Parameters only visible if wireless room device exists Time program Heating cir Heating Heating cir Level Standard value cuit 1 cuit 20 cuit 3 Prog no Prog no Prog no Select Mon Sun 500 520 540 Eu Mon Mon Sun Mon Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun 1st Time ON 501 521 541 Eu 06 00 h min 1st Time OFF 502 522 542 Eu 22 00 h min 2nd Time ON 503 523 543 Eu
147. ntroller is then continually adapted to the system time Master The time can be adjusted at the controller The controller time is defaulted to the system The system time is adapted m Outside temp source 6650 In the LPB system only one single outside temperature sensor is necessa ry This delivers the signal via the LPB to the controllers without a sensor The first figure in the display is the section number the second is the ap pliance number 9 2 19 Fault m Message 6700 A current existing error in the system is displayed here in the form of an error code m Display SW diagnostic code 6705 In case of a fault the display fault is on permanently In addition the diag nosis code is displayed on the display m ctrl phase lockout pos 6706 Phase during which the fault occurred which led to the failure m Reset alarm relay 6710 An output relay QX programmed as an alarm relay can be reset via this setting m Flow temp 1 alarm 6740 Flow temp 2 alarm 6741 Flow temp 3 alarm 6742 Boiler temp alarm 6743 andHot water charging alarm 6745 Setting the time after which a fault message will be triggered in case of persisting deviation from temperature nominal and actual values m Error history Error codes 6800 6995 The last 20 error messages with error codes and time of occurrence are saved to the error memory 9 2 20 Maintenance special operation m Burner hours interval 7040 Setting o
148. nts and cleaning agents propellant gases etc When connecting heat generators to under floor heating systems employing plastic pipes which are not impervious to oxygen in ac cordance to DIN 4726 heat exchangers must be used for separa tion purposes In the case of closed heating systems the filling water does not usually need to be treating for corrosion This de pends on the water hardness and system volume for the respec tive boiler types VDI directive 2035 2 specifies that a pH value of 9 must never be exceeded The pH value can change during oper ation of the heating system due to formation in connection with lime sediment and must be checked once a year during maintenance For heating systems and piping with is not impervi ous to oxygen system separation between the boiler and other System components at risk of corrosion must be used Supply air openings Caution Keep the inflow area clear Never block or close off ventilation apertures The inflow area for combustion air must be kept clear Warning Risk of damage The gas condensing boiler may only be installed in rooms with clean combustion air Foreign matter such as pollen must never filter through the inlet apertures to reach the inside of the appli ance The boiler must not be started up if there is heavy dust de velopment e g during construction work There could be damage to the boiler Where the EC four is operated based on room ventilation there must b
149. ockable The installation of pumps and fittings or pipe reducer pieces is not permitted The blow off line of the safety valve must be designed in such a way that the pressure does not increase when the safety valve responds It must not be routed to the out side the opening must be clear and observable Any heating wa ter that may possibly escape should be safely drained off 6 2 3 Condensate connection A direct run off of the condensate into the domestic drainage system is on ly allowed if the system only comprises corrosion resistant materials e g PP pipe stoneware or similar materials If this is not the case the Potterton neutralisation plant must be installed optional accessory The condensate must be able to flow freely into a funnel A stench trap must be installed between the funnel and drainage system The conden sate hose of the EC four must be inserted through the opening in the rear or side wall If there is no run off facility underneath the condensate dis charge the use of the Potterton neutralisation and lifting system is recom mended Note i Danger to life due to flue gas escaping Fill the condensate discharge with water before commissioning For this fill water into the flue gas outlet before assembly of the flue gas pipe until the siphon is completely filled If this instruction is not followed flue gas may escape to the installation room 6 3 4 Gas connection The gas side connection may only be carri
150. odules Prog no Level Standard value Function input H2 module 3 7461 C None See m Parameters see Function input H21 module 1 prog no 7321 Contact type H2 module 3 7462 E NO NC NO Voltage value 1 H2 module 3 7464 E 0 5 Funct value 1 H2 module 3 7465 E 0 Voltage value 2 H2 module 3 7466 E 10 Funct value 2 H2 module 3 7467 E 1000 Function input H21 module 3 7471 C None See Parameters see Function input H21 module 1 prog no 7321 Contact type H21 module 3 7472 C NO NC NO Input value 1 H21 module 3 7474 C 0 Funct value 1 H21 module 3 7475 C 0 Input value 2 H21 module 3 7476 C 10 Funct value 2 H21 module 3 7477 C 100 Funct input EX21 module 3 7492 C None None Limit thermostat HC Funct output UX21 module 3 7498 C None Parameters see Funct output UX21 module 1 prog no 7348 Signal output UX21 module 3 7500 C PWM 10 V PWM Funct output UX22 module 3 7505 C None See Parameters see Funct output UX21 module 1 prog 7348 Signal output UX22 module 3 7507 C PWM 10 V PWM Input output test Prog no Level Standard value Relay test 7700 C No test No test Everything off Relay output QX1 Relay output QX2 Relay output QX3 Relay output Relay output QX21 module 1 Relay output QX22 module 1 Relay output QX23 module 1 Relay output QX21 module 2 Relay output QX22 module 2 Relay output QX23 module 2 Output test P1 7713 C PWM signal P1 7714 Outside temp B9 7730
151. ogramming level and the programming 8 2 1 Checking water pressure Caution Before switching on check whether the pressure gauge indicates sufficient water pressure The value should be between 1 0 and 2 5 bar Less than 0 5 bar Top up water Caution Observe the maximum permissible system pressure Over 2 5 bar Do not put the gas condensing boiler into operation Drain the water Caution Observe the maximum permissible system pressure Check that there is a drip pan below the discharge pipe from the safety valve In the case of overpressure it collects heating water as it is expel led 8 2 2 Switching on This section describes which steps are necessary to switch the boiler on 1 Switch on heating emergency switch 2 Open gas shut off device 3 Open the disconnector valves at the heating flow and heating return on the boiler 4 Open the operating panel cover and switch the ON OFF switch on the operating panel of the boiler to on 57 8 Operation de A O7 m 2 40 XXXXXXXXXXXXXX n 8 2 6 20 24 58 5 Use the operating mode key for heating mode to select the automat ic operating mode on the boiler control unit 5 6 Set required room temperature using the control of the control unit 8 2 3 Setting necessary parameters Normally the parameters of the regulator do not need to be modified Only date time and individual time progr
152. olarity or as a fixed con nection In all other countries a fixed connection must be provided For the power supply use the power cable attached to the boiler or cable types HO5VV F x 1 mm or 3 x 1 5 mm We recommend the installation of a mains isolator upstream of the EC four This should isolate all poles and provide contact separation of at least 3 mm All connected components must comply with VDE or local regulations Al ways apply strain relief to connecting cables Cable types Danger Danger to life Risk of injury or a risk to life from electric shock The use of rigid lines e g NYM is not allowed because of the risk of cable damages Flexible cables e g HO5VV F must be used for mains voltage and e g LIYY for sensor bus cables 6 5 2 Cable lengths Bus sensor lines do not have mains voltage but safety extra low voltage Never route them in parallel to mains cables interference Otherwise shielded cables must be installed Permissible cable lengths for all sensors Cu cable up to 20m 0 8 mm Cu cable up to 80m 1 mm Cu cable up to 120m 1 5 mm Cable types e g LIYY or LiYCY 2 x 0 8 6 5 3 Strain reliefs All the cables should be fixed in the strain relief clamp of the control panel and connected according to the connection diagram 49 6 Installation Fig 27 Strain reliefs 6 6 50 Filling the system RA 0000064 6 5 4 Circulating pumps The permissible current load per pump
153. on eel apes ad rob edet ovii dor 123 PRA MNEOCU CET 123 9 2 24 Diagnostics cascade heat generation consumers 2 0 128 9 2 25 soie thus pbi Cs aab beue Rue SUR cR e Uses E atii uet ide a E ese 128 9 2220 Info oplion sooner Reb eb _ _ _ _ _ _ ____ _ b RUE 129 10 P 130 10 1 Generali igs avec erant furtum E haa uad iege wed dad n E EE Ane asa endow versie polt 130 1014 Generalnstmu clions e xo deed e eR d EAR e RET ERE UR oo ura A Pak eed 130 10 1 2 Insp ctiori and service as required x od ane tree eee venda se eed ry eg cuius 130 10 2 Maintenance messages 3 sobrii tni SP E er ctetur e op bdo e eo PER Ropa ER be 130 10 2 4 Maintenance message ede d ERR Pun wed e P reg P RP RUE 130 10 2 2 Maintenance code table RS DRE pene ine ee ane dae REA ERE RR 131 10 2 3 Operating phases of the Control Centre 5 2 e eh 131 10 3 Standard inspection and maintenance operations 1 132 10 3 4 Checking water hardness eene mm e em kon tk eR ae 132 10 32 Removing the go koe ODE RUE URSI GR Ghee nee adhe REB as 132 10 3 8 Checking combustion room insulation lisele RI I 133 10 3 4 Changing the combustion r
154. on is comple ted or an error occurs As soon as data transmission begins the LMS control goes in a parameterization position As soon as parameters are transferred the LMS control must be unlocked transmission has ended Fault 183 parameterization is displayed Writing on stick Starts writing the data from the LMS control to the stick This operation is only possible with WRITE sticks The data is written in to the previously set data set Before writing of the data begins it is checked whether the stick has sufficient capacity for the data and that the respective customer number is correct The textWriting on stick re mains until the operation is completed or a fault occurs m PStick progress 7253 The read or write progress is displayed as a percentage If no operation is active or a fault occurs 096 is displayed 9 2 21 Configuration of extension modules m Function extension module 1 7300 Function extension module 2 7375 und Function extension module 3 7450 When a function is selected the inputs and outputs are occupied on the extension module with the functions according to the following table Connection ter QX21 QX22 QX23 BX2 BX2 H2 H21 H22 minal on module 1 2 Multi functional x Heating circuit 1 Y1 Y2 Q2 system pump Heating circuit 2 Y5 Y6 96 812 i Heating circuit 3 Y11 Y12 Q20 B14 YT Y8 Q1 B7 ij li Solar DHW s
155. onal requests e g for heating domestic water are ignored Activating emergency operation Press OK Request the menu item Maintenance Press OK Request the parameter Manual control prog no 7140 Press OK Select the parameter On Press OK Leave the programming level by pressing the operating mode key for heating mode m Adjusting setpoint emergency operation Using the operation mode manual operation you can choose a nominal temperature value for it 59 8 Operation Press the information key Press OK Adjust nominal value by using rotating knob Acknowledge setting with OK 8 2 9 Chimney sweep function The chimney sweep function is activated or deactivated using the Schorn steinfeger Taste 1 Press the Schornsteinfeger Taste The activated special function is displayed by the symbol in the display If there is demand for heat from coiled tubing storage tank this demand will continue to be met while the emissions test function chimney sweep function is running 8 2 10 Restoring factory settings The factory settings are restored as follows Press OK button Select setting level Engineer Select parameter Activate basic settings prog no 31 Change setting to Yes and wait until setting returns to No Press ESC button The factory settings have been restored oe coma 60 7636047 02 24082015 9 Settings 9 1 L
156. ontrol knob to select the menu item Set time and date Press OK won B Use the control knob to select the menu item Hours minutes 5 Press OK Carry out hour setting e g 15 h using the control knob 7 Press OK Carry out minute setting e g 30 minutes with the control knob 9 Press OK 10 Leave the programming level by pressing the operating mode key for heating mode Note 1 The previous menu item is retrieved by pressing the ESC key without applying previously modified values If no settings are car ried out for approximately 8 minutes the basic display is called up without applying previously modified values 8 1 2 Programming procedure The selection of the setting levels and menu items is done as follows 7636047 02 24082015 Ne UTS 8 2 Start up RA 0000162 7636047 02 24082015 8 Operation 1 Press OK The End user display is shown 2 Press the Info button for approx 3 s The setting levels appear 3 Select the required setting level using the control knob Setting levels End user Eu 7 Commissioning incl end user Eu Engineer E incl end user Eu and commissioning C OEM includes all other setting levels password protected 4 Press OK 5 Select the required menu item see parameter list using the control knob See M Not all menu items will be visible depending on the selection of the pr
157. oom insulation lile Ih 133 10 3 5 Cleaning the burner pipa P RR EUR DURER EROS Dee e d 134 10 3 6 Cleaningith e heatexchangen 118 nette deed bep prede due en 134 10 3 64 Cleaning thie S Rc e RID ERI ROLE gr Rear RC CRI e oo s ebd RC RA Re Recta 135 10 3 9 Changing th ignition electrodes oer ya we ted RU I OE Ree hc 135 10 3 9 Checking the ionization electrode sss er rk rok s Rb oe E eee 136 10 3 10 Changing the ionization electrode ose kr Renee Rr Ee ER RR bea wa Yd 136 10 3 11 Electrode spacing and installation locations III 137 10 3 12 Protection against contact 2 Ree EUR RR nr pep 137 10 4 Specific maintenance instructions ek hne ta m bk e bh nn 137 1041 Replacing the safety valve siccis sisse e o ew rk iom ace ao d x dh hen 137 11 Troubleshooting 2i eren rn Rmo eruca __ _ _ 138 1151 Fa lt code table EE 138 2 TERI EE 140 11 24 Fault Message Roe d hae del 140 11 2 2 er enina enses denei ERRARE 141 12 rx ER up EH E PX ee one ee renee ves vee tw st eee ees 142 12 1 PACKAGING
158. oost legionella setpoint 7636047 02 24082015 7636047 02 24082015 9 Settings End user Eu Commissioning Engineer menu Status Boost hot water setpoint Charging active Charging legionella setp Charging nominal setp Charging reduced setp Frost protection active Frost protection active Frost prot instant heater Overrun active Overrun active Standby charging Standby charging Charged Charged max st tank temp Charged max charging temp Charged legionella temp Charged nominal temp Charged reduced temp Off Off Ready Ready Tab 17 Status table boiler The following messages are possible under Boiler End user Eu Commissioning Engineer menu Status SLT has tripped SLT has tripped Fault Fault Limitter has tripped Limitter has tripped Manual control active Manual control active Chimney sweep funct active Chim sweep fct full load Chim sweep fct part load Locked Locked manual Locked solid fuel boiler Locked automatic Locked outside temp Min limitation active Locked economy mode Min limitation Min limitation part load Min limitation active In operation Protective start Protective start part load Return limitation Return limitation part load Charging buffer Charging buffer In part load op
159. opening edge Then the pin of the support rail has to be hammered into the bore hole 3 The flue pipe is lowered from the top into the duct For this connect a rope to the support leg and insert the pipes section by section from the top To prevent the components sliding apart during assembly the rope must be kept on tension until the final assembly of the flue pipe If spacers are necessary these have to be fitted to the duct at least every 2 m Cant the spacers at a right angle and align centric in the duct Pipes and formed parts are to be installed in such a way that the connectors are arranged counter to the flow direction of the condensed water After the pipes have been inserted place the support leg in the sup port rail and align flush and without tension The duct cover at the chimney head must be assembled in such a way that no rainfall can get into the space between flue pipe and duct and the air for back ventilation can flow freely Caution When replacing seals use new seals When the flue pipes are dis assembled new seals must be used for the reassembly 6 4 6 Cleaning and inspection openings Danger Clean exhaust gas pipelines It should be possible to clean the flue gas pipes and inspect their free cross section and leakproofness At least one cleaning and inspection opening must be installed in the in stallation room of the EC four Exhaust gas pipes in buildings which cannot be cleaned or inspected from
160. operation 809 1109 1409 E No No Yes Overtemp protect pump circ 820 1120 1420 E Off Off On Mixing valve boost 830 1130 1430 E 5 C Actuator running time 834 1134 1434 E 120s 7636047 02 24082015 63 9 Settings Heating circuit 1 20 Level Standard value Prog no Prog no Prog no Floor curing function 850 1150 1450 E Off Off Functional heating Curing heating Curing functional heating Functional curing heating Manually Floor curing setp manually 851 1151 1451 E 25 C Floor curing setp current 855 1155 1455 E C Floor curing day current 856 1156 1456 E 0 Excess heat draw 861 1161 1461 E Heating mode Off Heating mode Always With buffer 870 1170 1470 E Yes No Yes With prim contr system pump 872 1172 1472 E Yes No Yes Pump speed reduction 880 1180 1480 E Characteristic Operating level Characteristic Pump speed min 882 1182 1482 C 10 96 Pump speed max 883 1183 1483 C 100 96 Curve readj at 5096 speed 888 1188 1488 E 10 96 Flow setp readj speed ctrl 890 1190 1490 E Yes No Yes Operating level changeover 898 1198 1498 E Reduced Off Reduced On Optg mode changeover 900 1200 1500 Off None Off Reduced On Timed 1 Parameters only visible if heating circuit is installed DHW Prog no Level Standard value Hot water temp setpoint 1610 Eu 55 C Reduced temp setpoint 1612 E 45 C Hot water
161. ot water sensor B31 Buffer sensor B4 Buffer sensor B41 Flow temp setpoint Setpoint min Pump overrun time 4140 E 20 min Domestic water storage tank Prog no Level Standard value Forward shift charging 5011 E 01 00 min Flow setpoint boost 5020 E 18 C Transfer boost 5021 E 10 C Type of charging 5022 E Full charging Recharging Full charging Full charging legio Full charg 1st time day Full charg 1st time legio Switching diff 5024 E 4 Charging time limitation 5030 E 120 min Discharging protection 5040 E Automatically Off Always Automatically Charging temp max 5050 E 65 C Recooling temp 5055 80 C Recooling collector 5057 E Off Off Summer Always El imm heater optg mode 5060 E Substitute Substitute Summer Always 68 7636047 02 24082015 9 Settings Domestic water storage tank Prog no Level Standard value El immersion heater release 5061 E Hot water release 24h day Hot water release Time hot water El immersion heater control 5062 E Hot water sensor External thermostat Hot water sensor Hot water boost 5070 E On Off On Excess heat draw 5085 E On Off On With buffer 5090 E Yes No Yes With prim contr system pump 5092 E Yes No Yes With solar integration 5093 E Yes No Yes Pump speed min 5101 E 0 96 Pump speed max 5102 E 100 Speed Xp 5103 E 35 C Speed Tn
162. ote i For the burner pipe to be cleaned the burner must have been re moved first see section Removing the burner The following steps describe how to clean the burner pipe Fig 49 Removing the burner pipe 1 Loosen the screws and remove the burner pipe with the burner pipe 2 o seal 2 Clean the burner pipe with compressed air 3 Reinstall the burner pipe with burner pipe seal Note 1 Use new burner pipe seal when installing the burner pipe 4 Reinstall the burner For more information see Removing the burner page 132 10 3 6 Cleaning the heat exchanger Before the heat exchanger can be cleaned the burner must be removed see section Removing the burner Fig 50 Removal of the flue gas collection 1 Remove screws and remove cover of the flue gas collection pan with pan cover seal RA 0000236 134 7636047 02 24082015 0000237 RA 0000238 Fig 51 Removing the fan RA 0000239 7636047 02 24082015 10 Maintenance 2 Clean the heat exchanger with a brush or rinse with water 3 Remove deposits from the exhaust collection pan 4 Remove the siphon and clean it 5 Reinstall the siphon 6 Replace the cover of the exhaust collection pan Note Use a new seal when installing the cover 7 Reinstall the burner For more information see Removing the burner page 132 10 3 7 Cleaning the fan Before the fan can
163. output 2320 Temp differential nominal Pump speed min 2322 10 Pump speed max 2323 100 Output nominal 2330 EC four 125 kW 125 kW EC four 170 kW 170 kW EC four 215 kW 215 kW EC four 260 kW 260 kW EC four 300 kW 300 kW Output basic stage Output at pump speed min 2331 2334 EC four 125 kW 20 kW EC four 170 kW 28 kW EC four 215 kW 35 kW EC four 260 kW 42 kW EC four 300 kW 48 kW 10 Output at pump speed max 2335 90 Fan output heating max 2441 EC four 125 kW 125 kW EC four 170 kW 170 kW EC four 215 kW 215 kW EC four 260 kW 260 kW EC four 300 kW 300 kW Fan output full charging max 2442 EC four 125 kW 125 kW EC four 170 kW 170 kW EC four 215 kW 215 kW EC four 260 kW 260 kW EC four 300 kW 300 kW Fan output DHW max 2444 EC four 125 kW 125 kW EC four 170 kW 170 kW EC four 215 kW 215 kW EC four 260 kW 260 kW EC four 300 kW 300 kW Controller delay Off Heating mode only Hot water mode only Heating and HW mode 2450 Heating mode only 66 7636047 02 24082015 9 Settings Boiler Prog no Level Standard value Controller delay fan output 2452 E EC four 125 kW 20 kW EC four 170 kW 28 kW EC four 215 kW 35 kW EC four 260 kW 42 kW EC four 300 kW 48 kW Controller delay duration 2453 E 60s
164. plastic coated pipes in the factory in accordance with DIN 30672 Fittings pipe joints and shaped pieces must be appropriately made from shrink tube in the per formance classes B and C For damages occurring due to the installation in an unsuitable location or based on improper combustion air supply no warranty claims may be made 7636047 02 24082015 Fig 10 Recommended space requirement 5 4 Transport Fig 11 Transport equipment 7636047 02 24082015 RA 0000216 5 3 2 Space requirement 5 Before installation EC four EC four EC four EC four EC four 125 kW 170 kW 215 kW 260 kW 300 kW Dimension A 60 cm 70 cm 80 cm 90 cm 100 cm Dimension B 50 cm Dimension C 50 cm Dimension D 10 cm 1 Carrying fixtures 2 Eyebolt For transporting the boiler to the installation location using a crane the eyebolt located on the top of the boiler can be used Remove the central casing cover of the EC four to do this For the transport of the boiler to installation location manually push 2 suffi ciently large steel pipes O 1 not included through the carrying fixture so that the boiler can be lifted and transported Danger Risk of injury The boiler must be safely secured from any sliding on the steel pipes Safety gloves must always be worn during manual trans port At least 4 people are required for trans
165. plification of the controller A smaller Xp val ue leads to higher actuation of the charging pump with equal control differ ence m Flow setp compensation Tn 5144 The reset time Tn determines the reaction speed of the controller when compensating for remaining controller differences A shorter reset time Tn leads to faster compensating m Flow setp compensation Tv 5145 The preholding time Tv determines how long a spontaneous change of the control difference continues to have an effect A short time only influences the control variable only for a short time m Full charging with B36 5146 Here it can be set whether the end of the full charging is detected via the temperature on the charging sensor B36 No The end of the full charging is detected via the temperature on the upper and lower storage sensor B3 and B31 Yes The end of the full charging is detected via the temperature on the upper storage sensor B3 and on the charging sensor B36 m Min start temp diff Q33 5148 This parameter determines the switch on delay of the intermediate circuit pump depending on the boiler temperature The intermediate circuit pump is switched on as soon as the boiler temperature has reached the boiler 7636047 02 24082015 7636047 02 24082015 9 Settings setpoint plus the value set here The setting 5 C results in the intermedi ate circuit pump being switched on as soon as the boiler temperature is 5 C below the boile
166. port with the aid of a carrying fixture 29 5 Before installation Connecting diagrams 5 5 5 5 1 Application examples Fig 12 EC four one heating circuit and hot water preparation AguaSave and AguaClean optional hydraulic diagram 2141 Jeyue eJd wo pioeq 5 seuossoooe pue 991 210 ue Aq Jo Aq SUL 9JON yue MHA Jeje PIOD 21 5 ey pue LGM 29 j er edse Jo eu eyoN 7636047 02 24082015 30 5 Before installation Fig 13 four one heating circuit and hot water preparation AguaSave and AguaClean optional hydraulic diagram wun se uonoes J0 218dQ 9 LXO Aejoy 0689 9 198 0 5 esuepuoo0Jn3
167. proximate values Exact values can be determined by the gas meter for example Info option Prog no Level Standard value Fault message Maintenance Setpoint manual control Floor curing setpoint current Floor curing day current Room temperature Room temperature minimum Room temperature maximum Cascade supply temperature Boiler temperature Outside temperature Outside temperature minimum Outside temp maximum DHW temp 1 DHW drawing temperature Collector temperature 1 24 hour yield solar energy Total yield solar energy Solid fuel boiler temperature Buffer temperature 1 Swimming pool temperature State central heating CH1 State central heating CH2 State central heating CH3 State hot water State boiler State solar State solid fuel boiler State buffer State swimming pool Year Date Time Telephone customer service 82 7636047 02 24082015 9 Settings Info option Prog no Level Standard value Water pressure 1 The display of the information values depends on the operating status 9 2 Description of the parameters 7636047 02 24082015 9 2 1 Time and date m Time and date 1 3 The regulator has a year clock with setting possibilities for time day month and year Time and date must be correctly set so t
168. r K8 Switches solar circuit to storage tank DWVS Solar ctrl elem swi pool K18 Switches solar circuit to swimming pool DWVE Heat gen shutoff valve Y4 Separates boiler from circuits hydraulically DWVR Buffer return valve Y15 Switches return to elevation of return temperature utilsation of solar energy HM Heat circ mix valve Y 1 2 Y3 4 Mixing circuit VRM Prim controller mixer Mixer in a prim controller circuit TVM DHW prim controller mixer Mixer in a prim controller cicuit DHW USTV Overflow valve optionel extra General Shortcut Function Declaration BE Display of boiler or wall mounted control Bus BE Bus connection for display Bus EM connection to extension module FB Connection distance control RGT RGTF RGTK BXx Input multifunctional Sensor entrance QXx Output multifunctional H1 H2 Input multifunctional potential free SK Safty chain GW Port for the gas pressure switch WDS Water pressure sensor AGF Flue gas temp sensor TR Thermostat TWW DHW hot TWK DHW cold TWZ DHW circulation 51 Boiler switch Fi Fuse Accessory to be orderd separately 40 7636047 02 24082015 6 Installation 6 1 Mounting 7636047 02 24082015 6 Installation 6 1 1 Converting the exhaust connection The conversion of the top passage to the side or rear passage of the flue gas connection is shown below N DARY Remo
169. r input BX2 5931 C T See LJ Parameters see Sensor input BX1 prog no 5930 Sensor input BX3 5932 C LT See E Parameters see Sensor input BX1 prog no 5930 Function input H1 5950 C None None Optg mode change CHs HW Optg mode changeover HW Optg mode changeover CHs Optg mode changeover CH1 Optg mode changeover CH2 Optg mode changeover CH3 Heat generation lock Error alarm message Consumer request VK1 Consumer request VK2 Release swimpool source htg Excess heat discharge Release swi pool solar Operating level HW Operating level CH1 Operating level CH2 Operating level CH3 Room thermostat CH1 Room thermostat CH2 Room thermostat CH3 Hot water thermostat Pulse count Checkb sign flue gas damper Start prevention Consumer request VK1 10V Consumer request VK2 10V Preselected output 10V Contact type H1 5951 C NO NC NO Voltage value 1 H1 5953 E OV Function value 1 H1 5954 E 0 Voltage value 2 H1 5955 E 10V 70 7636047 02 24082015 9 Settings Configuration Prog no Level Standard value Function value 2 H1 5956 E 1000 Function input H4 5970 C None None Optg mode change CHs HW Optg mode changeover HW Optg mode changeover CHs mode changeover CH1 Optg mode changeover CH2 Optg mode changeover CH3 Heat generation lock Error alarm message Consumer request VK1 Consumer request VK2 Re
170. r setpoint Excess interm circ temp del 5151 Control of the burner output on the charging temperature is activated if the time set here has elapsed since switching on the intermediate circuit pump 9 2 17 Configuration m Temps mode CH1 5710 Temps mode CH2 5715 andTemps mode CH3 5721 The heating circuits can be switched on or off using this setting Heating circuit parameters are hidden in the deactivated state Note i This adjustment only affects the heating circuits directly and has no influence on operation m Hot water sensor 5730 None No DHW sensor available Hot water sensor B3 There is a DHW storage tank sensor available The controller calculates the switching points with the corresponding switching difference from the DHW setpoint and the measured DHW storage tank temperature Thermostat Control of domestic hot water temperature as a function of the switching status of a thermostat connected to DHW sensor B3 Note i No reduced mode is possible when a DHW thermostat is used This means if reduced mode is active the DHW preparation is blocked with the thermostat Caution No frost protection for DHW The domestic water frost protection cannot be guaranteed m Hot water elem 5731 No charging request DHW charging disabled via Q3 Charging pump DHW charging via the connection of a charging pump to Q3 Y3 Diverting valve DHW charging via the connection o
171. rature on the selected sensor prog no 4795 the return flow can be preheated by redirecting over the lower part of the storage tank In this way for example return flow preheating can be implemented m Full charging 4810 The function full charging makes it possible for the released generator to be switched off first despite automatic generator lock if the buffer storage tank is fully charged During active function the generator parameterized for the full charging function is only switched off when the full charging set point is reached or the boiler must be switched off because of burner con trol Off The full charging function is switched off Heating mode Full charging becomes active if the automatic generator lock blocks the heat source during valid heat request based on the buf fer temperature If the buffer storage tank reaches the requested tem perature at the sensor parameterized for the full charging function the function is ended Always Full charging becomes active if the automatic generator lock blocks the generator during valid heat request based on the buffer tem perature or the heat request is invalid If the buffer storage tank reaches the requested temperature at the sensor parameterized for the full charging function the function is ended m Full charging temp min 4811 The buffer storage tank is charged minimally o the set value m Full charging sensor 4813 With B4 For the full charging fu
172. re is a danger of freezing do not shut down the heating system continue to operate it at least in econ omy mode with radiator valves open You should only shut down the heating system and drain the boiler do mestic water storage tank and radiators if it is not pos sible to heat in frost mode Caution Secure against unintentional switch on When the heating system is empty ensure that the boiler cannot be switched on unintentionally 7636047 02 24082015 7636047 02 24082015 1 Safety Danger This appliance can be used by children aged 8 years and above and by persons with reduced physical sensory or mental capabilities or lack of experience and knowledge when they have been given supervi sion or instruction concerning the safe use of the de vice and understand the resulting risks Children must not be allowed to play with the appliance Cleaning and user maintenance must not be carried out by chil dren without supervision Danger The heating system must not continue to be operated if damaged Danger Danger Danger to life through modifications to the ap pliance Unauthorised conversions and modifications to the gas appliance are not permitted as this can endanger persons and cause damage to the appliance The ap pliance approval will become void if these instructions are not observed N Caution Replacement of damaged parts may only be per formed by an installer Caution Connections
173. re setpoint independently of time switching programs of the heating circuit For this time switching program 4 is used m Charging priority 1630 This function ensures that the boiler capacity is primarily made available for DHW in case of simultaneous capacity demand by room heating and DHW Absolute Mixer and pumped heating circuits are blocked until the DHW has been heated up Shifting Should the boiler capacity not be sufficient to heat up DHW mixer and pumped heating circuits will be restricted None Charging DHW is carried out in parallel with heating operation MC shifting PC absolute Pumped heating circuits are blocked until the DHW has been heated up Should the boiler capacity not be sufficient the mixer circuit will also be restricted 93 9 Settings 94 m Legionella function 1640 Function to kill legionella germs by heating up to the set legionella function setpoint see programme number 1645 Off Legionella function is switched off Periodically Legionella function is repeated periodically depending on the set value prog no 1641 Fixed weekday Legionella function will be activated on a certain week day prog no 1642 m Legionella funct periodically 1641 Setting the interval for the legionella function periodically recommended setting in case of additional drinking water heating by solar plant in con nection with a storage tank mixing pump Legionella funct weekd
174. rog no Level Standard value Message 6700 Eu SW diagnostic code 6705 Eu Burn ctrl phase lockout pos 6706 Eu Boiler temp alarm 6743 E min Hot water charging alarm 6745 E h History 1 6800 E Date Time Fault code 1 SW diagnostic code 1 6805 E Burner control phase 1 History 2 6810 E e Date Time Fault code 2 SW diagnostic code 2 6815 E Burner control phase 2 History 3 6820 E Date Time Fault code 3 SW diagnostic code 3 6825 E Burner control phase 3 72 7636047 02 24082015 9 Settings Fault Prog no Level Standard value History 20 6990 E Date Time Fault code 20 SW diagnostic code 20 6995 E Burner control phase 20 Maintenance special operation Prog no Level Standard value Burner hours interval 7040 E h Burn hrs since maintenance 7041 E Oh Burner start interval 7042 E Burn starts since maint 7043 E 0 Maintenance interval 7044 E months Time since maintenance 7045 E 0 months Fan speed ionization current 7050 E 0 rpm Message ionization current 7051 E No No Yes Chimney sweep function 7130 Eu Off Off On Manual control 7140 Eu Off Off On Controller stop function 7143 E Off Off On Controller stop setpoint 7145 E Compulsory heat draw off DHW 7165 E Off Off On Telephone customer service 7170 C PSti
175. roved installer The installer checks the tightness of pipes the correct function of all regulating control and safety equipment and measures the combustion values If this work is not carried out correctly there is a risk of considerable damage to persons environment and prop erty 7 2 Checklist for commissioning Tab 8 Checklist for commissioning 1 System location 2 Customer 3 Boiler type Designa tion 4 Serial number 5 Characteristic gas val Wobbe index KWh m 6 ues Operating heating value KWh ni sede eee 7 Have all pipelines and connections been checked for tightness o 8 Exhaust gas system checked a 9 Gas pipeline checked and vented o 10 Static pressure measured at the gas valve inlet mbar etti 11 Free wheeling of pumps checked a 12 Filling the heating plant a 13 Used water additives 14 Gas flow pressure measured at full load at the gas valve inlet Ibat 15 Gas injector pressure measured at full load at the gas valve outlet 16 CO2 content low load a a 17 CO content at low load 18 COz content at full load y eee 19 CO content at full load 20 Heating mode o 21 Domestic water mode o 22 Time date o 23 Comfort setpoint heating circuit 1 2 C 24 Programming Setpoint DHW C 25 Automatic day time programme GIOCK SERM 26 Heating cu
176. rve checked o 27 Tightness of the flue system checked in operation e g test in annular 28 Customer instructed a 29 Documents handed over o 7636047 02 24082015 51 7 Commissioning Only components tested and marked according to the respective standard have been used Date signature All system components have been installed according to the instruction of the manufacturers Company stamp The whole system conforms tothe standard atte To ensure the heat source operates reliably and economically for a long period we recom mend annual maintenance for the heat generator 7 3 Commissioning procedure 7 3 1 Commissioning menu The commissioning menu will be shown once during initial commissioning aco 1 id Language must be selected and confirmed with the OK but PROG ox on 2 Year select year and confirm 3 Set and date set and confirm English 4 Conclude by pressing the OK button Francais RA 0000065 Note 8 12 46 X 74 If the commissioning menu entry is terminated by pressing ESC the menu will be shown again next time the appliance is switched on 7 4 Gas settings 7 4 1 Factory settings The EC four has been set at nominal input by the manufacturer 7 4 2 content The CO content in the exhaust gas must be checked during commission ing and during regular maintenance of the boiler as well a
177. s 56 MEE Scu TDI c 57 8 2 1 Checking water pressure is sees ee e temm bye PR RU SEES bee tee ee Bees 57 8 2 2 57 8 2 3 Setting necessary parameters necem ere epe pe RR ee ee Er wee Os 58 8 2 4 Seting the heating mode xe Roe ebbe detur e Reade edet basate 58 8 2 5 Adjusting domestic water mode eee Sees Meee dose iic Ode RU alee eee 59 8 2 6 Adjusting comfortable room setpolnt ip ebur bo pur up Pea Ve a p acp 59 8 2 7 Setting reduced room 5 2 ec bee eee EIU Ee ime Ros e eR pi Reb eU AC Lol Rcs tas 59 8 2 8 Emergency mode Manual control rm ciate bia RUPEE UY Aaa banded 59 8 2 9 Chimney Sweep TUFICHOL xotg ca uox et ot toto ome ae yee a pit ee REL a one 60 8 2 10 Restoring factory settings csse ex e by ec ERR p eee a o Roe E ee Roe e aee 60 Rail hae Re aon 61 941 jEistofparamelers sis used aen GE mte lege defe EE 61 92 Description of the parameters e 2 Rem eon tie ae ee ees Dee Ret xe 83 9 2 1 datez 83 9 2 2 Operator SeGtioN MC 83 9 2 3 WINGIESS i oce d E E 84 9
178. s after recon struction work on the boiler or on the exhaust gas system CO content during operation see section Technical data Caution Risk of damage of the burner Too high CO values can lead to unhygienic combustion high CO values and damage to the burner Too ow CO values can lead to ignition problems Caution No manual setting of the gas valve possible The EC four automatically sets the CO content during operation with the specified gas types No manual setting of the gas valve is possible 7 4 3 Changing over from natural gas to LPG and vice versa Danger Danger to life by gas The gas type of the EC four may only be changed by an approved heating specialist To change over to another type of gas the CO content must be reset by turning the adjustment screws on the gas valve In addition the parame ters listed in the following table must be set according to the given values in the regulator LMS 52 7636047 02 24082015 7 Commissioning Q 7636047 02 24082015 EC four EC four EC four 125 kW 170 kw 215 kW Function Prog Setting level Natural Propane Natural Propane Natural Propane gas gas gas Boiler Output basic stage 2331 F 20 35 28 35 35 48 Burner control Required output prepurging 9504 F 73 73 94 94 96 96 Required output ignition 9512 F 59 3 66 3 75
179. sage Closing the inputs Hx results in a control unit in ternal fault message which will also be signalled via a relay output pro grammed as an alarm output or in the remote management system Consumption requirement VK1 VK2 the set flow temperature setpoint is activated via the connecting terminals e g a ventilation heater function for door curtain units Note i The setpoint must be set under progr no 1859 1909 1959 Release swimpool source htg Closing the input Hx e g manual switch releases the swimming pool heater Heating is by means of heat gener ator heating Excess heat discharge an active excess heat discharge enables for ample an external source to force the consumers heating circuit DHW storage tank heating circuit pump to draw off the excess heat using a signal Release swi pool solar This function enables the solar swimming pool heater to be released externally e g via a manual switch or the solar charging priority to be specified as compared to the storage Operating level DHW HCs The operating level can be set via the tact instead of via the internal time switching program external time switching program Ambient thermostat HCs With the input a room thermostat request can be generated for the set heating circuit Note i The quick decrease should be switched off for the corresponding heating circuits Consumption requirement VKx 10V The applicat
180. sealed with thread sealant must never be opened or modified by a non specialist The seals serve as proof that essential connections for safe trouble free operation have not been tampered with The guarantee becomes void if the seals are dam aged Warning Risk of damage The gas condensing boiler may only be installed in rooms with clean combustion air Foreign matter such as pollen must never filter through the inlet apertures to reach the inside of the appliance The boiler must not be started up if there is heavy dust development e g during construction work There could be damage to the boiler N Caution Keep the inflow area clear Never block or close off ventilation apertures The in flow area for combustion air must be kept clear 1 Safety 1 2 Intended use 1 3 Specific safety instructions 1 4 Liabilities Danger Danger to life due to explosion fire Do not store any explosive or easily flammable materi als close to the appliance Caution Risk of burns For safety reasons the discharge pipe from the safety valve must always be open so that water can escape during heating operation The operating state of the safety valve must be checked from time to time The gas condensing boilers of the EC four series are inten ded to be used according to DIN EN 12828 as heat genera tors in domestic water heating systems They conform to DIN EN 676 DIN 4702 Part 6 and DIN EN 677 installation type B23 C33
181. section The function can either be used as re turn temperature increase or as return temperature decrease The way this works is defined in prog no 4796 Using the definition of the temperature differences in prog no 4790 and 4791 the switch on and switch off point of the return redirection is estab lished In prog no 4795 the buffer storage tank sensor is selected that delivers the value for the comparison with the return temperature to switch on the return redirection with the aid of the set temperature differences Note 1 To activate the return redirection the relay outlet QX1 QX2 QX3 prog no 5890 5892 for the buffer deflector valve and the sensor inlet BX1 BX2 BX3 prog no 5930 5932 for the rail return sen sor B73 must also be configured 7636047 02 24082015 Fig 41 Charge push forward time H T 1h 1h RA 0000082 7636047 02 24082015 9 Settings Optg action return diversion 4796 The function can either be used as return temperature increase or as re turn temperature decrease Temp decrease If the return temperature of the consumers is higher than the temperature on the selected sensor prog no 4795 the lower part of the storage tank can be preheated with the return flow The re turn temperature drops even lower with this which leads to a higher effi ciency with a condensing boiler for example Temp increase If the return temperature of the consumers is lower than the tempe
182. see prog no 1660 El imm heater HW K6 With the connected immersion heater the DHW can be charged according to the operating side DHW storage operating line immersion heater Note The operating mode is set under prog no 5060 Collector pump Q5 Connection of a circulating pump in case of solar collector use Cons circuit pump VK1 Q15 Connection of a pump at the input Q15 18 for an additional consumer which is requested via an Hx input Boiler pump Q1 The connected pump is used for recirculation of the boiler water Alarm output K10 Any new fault will be signalled by means of this alarm relay The contact is closed with the delay time selected under prog no 6612 If no fault message exists the contact opens without delay Note 1 The alarm relay can be reset without having the fault remedied see prog no 6710 The alarm relay can also be closed tempora rily by a message which for example leads to restart heating pump CH3 Q20 Activating the pump heating circuit HC3 Cons circuit pump VK2 Q18 Activating the consumer circuit VK2 System pump Q14 Connection of a feed pump Heat gen shutoff valve YA Connection of a changeover valve for hy draulic de coupling of the heat generator from the rest of the heating system 7636047 02 24082015 7636047 02 24082015 9 Settings Solid fuel boiler pump Q10 Connection of a circulation pump for the boiler circuit for the connection of a solid fuel bo
183. stem this excess heat energy can be dissipated by the central heating drawing off heat Off The function is switched off Heating mode The function is only limited to one draw off during the heating times Always The function is generally released m With buffer 870 1170 1470 This parameter establishes whether the heating circuit can be supplied by a buffer or storage tank or only by a heat generator The function also de termines whether the system pump goes into operation when a heat de mand is submitted No The heating circuit is supplied from the boiler Yes The heating circuit can be supplied from the buffer storage tank m With prim contr system pump 872 1172 1472 5092 This parameter establishes whether a zone system pump goes into opera tion with a heat demand of the heating circuit This system pump is based on the segment in which this controller is located LPB bus system and which is controlled with a primary control No The heating circuit is supplied without primary controller system pump Yes The heating circuit is supplied from the primary controller by the System pump m Pump speed reduction 880 1180 1480 Speed reduction of the heating circuit pump can be done acc to operating level or acc to pump characteristic curve Operating level With this option the speed of the heating circuit pump is calculated acc to the operating level The pump is controlled in operat ing l
184. stems ies ese ee nacen ae em RR aen 46 Changing settings roaraa reei eaaa 56 Changing the gas type 52 Check tlghitriess ted Ud 44 Chimney sweep function 60 47 Cleaning and inspection openings 48 COZ content Ru ex rs a ie 54 Combustion supply 28 Comfort setpoint 0 llle 59 Complete desalination 26 i og ates 43 Connections xum ede 17 Contaminated 46 Continuous Modes ee ete eee 58 Controller st p function 53 D oo 2022 du mra ieun dopo nr geld ede gode 17 Disconrnectot valVe ted eei 43 Disconnector valves 57 Disposal mnis ipee 142 Domestic water temperature 93 E ECO function bed Gade 22 Emergency operation csc 59 Emergency SWICK edhe a EE 57 ESC K6Y x a ob E AM ied 21 Extension modules 2 000 008 0 bed eee nes 22 F Factory Setting vies o eb godere s dan 84 114 Factory RR Fuse 60 Fault code table 138 Fault message 2
185. switches to summer operation as soon as the average outside temperature over the past 24 hours rises 1 above the value set here As soon as the average of the outside temperatures of the last 24 hours drops 1 C below the value set here the heating circuit switches back into winter mode m 24 hour heating limit 732 1032 1332 The 24 hour heating limit shuts off the heating circuit if the current outside temperature increases up to the differential set here to the current operat ing level reduced or comfort setpoint The heating switches on again if the current outside temperature falls again below the set differential minus 1 C Note In the operating mode continuous mode this function is not activated m Flow temp setpoint min 740 1040 1340 and Flow temp setpoint max 741 1041 1341 With this function a range can be defined for the flow setpoint When the flow temperature setpoint reaches the respective limit this remains con stant even if heat demand rises or falls If a pump heating circuit is operated parallel with other requirements it can cause higher resulting temperatures in the pump heating circuit m Flow temp setpoint room stat 742 1042 1342 For room thermostat mode the flow setpoint set here applies With the setting C the value calculated via the heating curve is used as the flow setpoint m Delay heat request 746 1046 1346 The boiler heat request is forwarded to the burner
186. t range min l e as many boilers as possible in operation or long run ning times for additional boilers m Release integral source seq 3530 A value generated from temperature and time The lag boiler is switched on when the set limit is exceeded m Reset integral source seq 3531 The following boiler will be switched off in case of exceeding the setpoint m Restart lock 3532 The restart lock prevents switching a switched off boiler being switched back on again It is only released again after the set time period has elapsed This prevents the boiler switching on and off too often and ach ieves a stable operating condition of the system m Switch on delay 3533 Too frequent forward and back switching cycles of the boiler are avoided by the switch on delay and therefore a stable operating state is ensured Auto source seq ch over 3540 The sequence of lead boiler and following boiler is defined by the source sequence changeover and in this way the utilisation of the boilers in a cascade is influenced After the set time has elapsed the boiler sequence is changed The boiler with next higher device address operates as lead boiler The operating hours transferred from the generator to the cascade master are decisive for calculating the hours run m Auto source seq exclusion 3541 None The boiler sequence changes after expiry of the time set in prog no 3540 First The first boiler in the addressing works as
187. taller customer Installation manual Extended information Intended use Technical data circuit diagram Regulations standards CE Notes for installation location Application example Standard application Commissioning operation and programming Maintenance Installer User manual Commissioning Operation User settings programming Fault table Cleaning maintenance Energy saving tips Customer Asset ledger Commissioning report Check list for commissioning Maintenance Installer Abridged instructions Accessories Operation in brief Installation Operation Customer Installer customer 2 3 Symbols used 10 2 3 1 Symbols used in the manual This manual uses various danger levels to draw attention to special in structions We do this to improve user safety to prevent problems and to guarantee correct operation of the appliance 7636047 02 24082015 7636047 02 24082015 2 Aboutthis manual Danger Risk of dangerous situations resulting in serious personal injury Danger of electric shock Risk of electric shock Warning Risk of dangerous situations resulting in minor personal injury Caution Risk of material damage Note Please note important information See Reference to other manuals or pages in this manual B 11 3 Technical specifications 3 Technical specifications 31 Homologa
188. ter If an appropriate clean up of the existing flue gas tract is not possible the heat generator can be operated on a concentric flue gas pipe independent of ventilation The concentric flue gas pipe must run straight in the shaft m Lightning protection Danger of electric shock Danger to life due to lightning strike The chimney head cover must be integrated in any existing light ning protection system and house side potential equalisation This work should be carried out by an approved company special izing in lightning protection and electrical work m Shaft requirements Inside buildings exhaust gas system should be laid in suitable ventilated shafts The shafts must be made of non combustible dimensionally stable materials Fire resistance duration of the shaft 90 min Fire resistance duration of the shaft in case of buildings of lower building height 30 min 7636047 02 24082015 Fig 24 Minimum dimensions of the duct 7636047 02 24082015 RA 0000159 6 Installation 6 4 4 Chimneys already in use If a chimney used before for oil or solid fuel fired boilers is used as a duct for installation of a concentric exhaust gas pipeline the chimney must be thoroughly cleaned first by a specialist Note 1 Concentric flue gas routing also in the duct also in the shaft is absolutely necessary The concentric flue gas pipe must run straight in the duct Multiple usage of air flue gas
189. the lead boiler for all the other boilers the boiler sequence is changed after expiry of the time set in prog no 3540 Last The last boiler in the addressing always remains the last boiler for all other boilers the boiler sequence is changed after expiry of the time set in prog no 3540 m Leading source 3544 The setting of the leading generator is only used in combination with the fixed sequence of the generator sequence prog no 3540 The generator defined as the leading generator is always put into operation first and Switched off last The other generators are switched on and off in the se quence of the device address m Return setpoint min 3560 If the return temperature drops below the return setpoint set here the re turn maintenance becomes active The return maintenance enables influ ences on the consumers or use of a return controller m Temp differential min 3590 This function prevents too high cascade return temperatures and improves the switch off behaviour of the cascade If the temperature difference be tween the flow and return sensor is smaller than the minimal temperature spread set here a generator is switched off as early as possible independ ently of the set lead strategy Once the temperature difference is sufficient again the set lead strategy is switched over again 7636047 02 24082015 Fig 39 Charging control schematic 7636047 02 24082015 9 Settings 9 2 13 Solar m
190. tion of the switch off delay can be set with the fan switch off delay function prog no 2446 During a DHW request the voltage supply for the fan still remains released even if the PWM actuation is not active m Fan shutdown delay 2446 If no heating requirement exists the voltage supply of the fan is switched off Here the time during which the fan is still supplied with voltage is set m Controller delay 2450 The controller delay is used for a stabilisation of the combustion condi tions especially after a cold start After release of the firing automation by the controller this remains on the set output for a specified time Modula tion is only released after this time has elapsed Prog no 2450 is used to set the operating mode at which the controller delay is active m Controller delay fan output 2452 Boiler capacity which is used during the duration of the control delay Note For the calculated value see prog no 2444 m Controller delay duration 2453 Duration of the control delay The time duration starts as soon as a posi tive flame is detected after ignition m Switching diff on CHs 2454 Switching diff off min CHs 2455 Switching diff off max CHs 2456 2460 Switching diff on 7636047 02 24082015 Fig 38 Switching difference ril Sd2 SSS SSS oe 0000079 7636047 02 24082015 i 9 Settings HW 2461 and Switching
191. tion on the heating water The water must not contain any foreign matter such as sweat beads rust particles scale or sludge During commissioning flush the system until only clean water runs out When flushing the system ensure that the water does not flow through the heat exchanger of the boiler that 7636047 02 24082015 Fig 9 Vmax m 6 0 5 5 5 0 4 5 4 0 3 5 3 0 2 5 Water volume 2 0 1 5 1 0 0 5 0 0 rr Diagram of water hardness 5 Before installation the thermostatic radiator valves are removed and the valve inserts are set to the maximum flow rate f additives are used it is important to follow the instructions of the manu facturer If in a special case it is necessary to use additives in a mixture e g hardness stabiliser frost protection agent sealing agent etc care must be taken that the agents are compatible with each other and the pH val ue is not altered Preferably agents from the same manufacturer should be used For buffer storage tanks in combination with solar systems or solid fuel boilers the buffer contents must be taken into consideration when deter mining the fill water volume 5 2 5 Diagram of water hardness EC four 300 EC four 260 EC four 215 EC four 170 EC four 125 0 RA 0000371 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 E dee 1 5 2 5 mmol l 7636047 02 24082015 Water har
192. tions 3 1 1 Regulations and standards Beside the general technical rules the relevant standards regulations or dinances and guidelines should be followed DIN 4109 Noise protection in construction engineering DIN EN 12828 Heating systems in buildings EnEV Energy saving regulation Federal Immission Control Ordinance 3 BImSchV DVGW TRGI 2008 DVGW worksheet G 600 Technical rules for gas installation TRF Technical rules LPG DVGW code of practice G 613 Gas appliances Installation mainte nance and operating instructions DIN 18380 Heating plants and central hot water plants VOB DIN EN 12831 Heating plants in buildings DIN 4753 6 Domestic hot water calorifiers Domestic hot water heating system and storage tanks for heated water DIN 1988 Technical Rules for drinking water installations TRWI VDE 0700 102 DIN EN 60335 2 102 Safety of electrical appliances for household use and similar purposes Special requirements for gas oil und solid fuel appliances with electrical connections Fuel Ordinance State Ordinances Regulations of the local Electricity Board Obligation to register possibly Group Exemption Regulation ATV Code of practice M251 of the waste water technology association Regulations of the public authorities for the run off of condensate 3 1 2 Manufacturer s Declaration Meeting the protection requirements according to guideline 2004 108 EC for electromagnet
193. type of solar regulating unit must be defined under prog no 5840 Solar pump swimming pool K18 If several exchangers are connected the swimming pool must be set at the respective output and the type of the solar regulating unit must be defined in prog no 5840 Solid fuel boiler pump Q10 Connection of a circulation pump for the boiler circuit for the connection of a solid fuel boiler m Signal output UX21 module 1 7350 Sign logic out UX22 module1 7357 Signal output UX21 module 2 7425 und Signal output UX22 module 2 7432 Specifies whether the signal is to be outputted as a 0 10V signal or pulse width modulated PWM signal 9 2 22 Input output test m Input output tests 7700 7872 Tests for checking the function of connected components 9 2 23 Status m Status requests 8000 8011 With this function the status of the selected system can be requested Tab 15 Status table heating circuit The following messages are possible under Heating circuit End user Eu Commissioning Engineer menu Status Limitter has tripped Limitter has tripped Manual control active Manual control active Floor curing function active Floor curing function active Heating mode restricted Overtemp protect active Restricted boiler protection Restricted HW priority 123 9 Settings 124 End user Eu Commissioning Engineer menu Status Restricted buffer Forced draw Forced dra
194. u Period 1 Period 1 Period 2 Period 3 Period 4 Period 5 Period 6 Period 7 Period 8 Start 642 652 662 Eu day month End 643 653 663 Eu day month Operating level 648 658 668 Eu Off Off Reduced 1 Parameters only visible if heating circuit is installed Heating circuit 1 20 30 Level Standard value Prog no Prog Prog Comfort setpoint 710 1010 1310 Eu 20 0 Reduced temp setpoint 712 1012 1312 Eu 18 C Frost protection setpoint 714 1014 1314 Eu 10 0 Heating curve slope 720 1020 1320 Eu 1 24 Heating curve displacement 721 1021 1321 E 0 0 Heating curve adaption 726 1026 1326 E Off Off On Summer winter heating limit 730 1030 1330 Eu 18 C 24 hour heating limit 732 1032 1332 E 0 C Flow temp setpoint min 740 1040 1340 E 8 C Flow temp setpoint max 741 1041 1341 E 80 C Flow temp setpoint room stat 742 1042 1342 E C Swi on ratio room stat 744 1044 1344 E Delay heat request 746 1046 1346 E 05 Room influence 750 1050 1350 C Room temp limitation 760 1060 1360 E 0 5 C Central heating boost 770 1070 1370 E C Quick setback 780 1080 1380 E Down to reduced Off Down to reduced setpoint Down to frost prot setpoint setpoint Optimum start control max 790 1090 1390 E 0 min Optimum stop control max 791 1091 1391 E 0 min Reduced setp increase start 800 1100 1400 E C Reduced setp increase end 801 1101 1401 E 15 C Continuous pump
195. uests Request CH1 HW only The diverting valve is connected hydraulically only for heating circuit 1 and DHW and switches between DHW mode and heat circuit 1 mode other requests are not connected hydrauli cally via the diverting valve DV and the boiler pump but rather directly connected to the boiler m Solar controlling element 5840 The solar heating system can also be operated with charging pumps in stead of with a collector pump and diverting valves for the storage tank connection Charging pump When used with charging pump all exchangers can be flowed through simultaneously Parallel or alternative mode is possible Diverting valve When used with a diverting valve only one exchanger can be flowed through Only alternative mode is possible External solar exchanger 5841 For solar schemes with two storage connections it must be set whether the external heat exchanger is present and is used fogetherfor DHW and buf fer storage or only for one of the two m Combi storage tank 5870 Combined storage specific functions are activated with this setting For in stance the buffer storage immersion heater can be used for heating as well as for DHW No No combined storage exists Yes A combined storage exists m Relay output QX1 5890 Relay output 2 5891 und Relay output QX3 5892 None Relay outputs deactivated Circulating pump Q4 The connected pump serves as a DHW circulation pump
196. uit is switched of if no generator is available m Charging temp max 4750 The buffer storage tank is charged from solar energy up to the set charg ing temperature maximum Note i The collector overheating protection function can put the collector pump back in operation until the maximum storage tank tempera ture is reached m Recooling temp 4755 The collector overheating protection function can put the collector pump back in operation until the maximum storage tank temperature is reached m Recooling HW CHs 4756 Two functions are available for recooling of the buffer storage tank down to the recooling temperature The energy can be discharged via a heat draw by the room heating or the DHW storage tank This can be separate ly set for each heating circuit Recooling collector 4757 Recooling when the buffer storage tank temperature is too high by trans mitting energy to the environment via the collector area Off Recooling has been deactivated Summer Recooling is only active in summer Always Recooling is always active m With solar integration 4783 Setting of whether the buffer storage tank can be charged by solar energy m Temp diff on return div 4790 Temp diff off return div 4791 andCompar temp return div 4795 At the appropriate temperature difference between the return sensor B73 and the selectable comparative temperature the return is re routed to the lower buffer storage tank
197. ule 2 7377 C None See Parameters see Relay output QX21 module 2 prog no 7376 Relay output QX23 module 2 7378 C None E See Parameters see Relay output QX21 module 2 prog no 7376 Sensor input BX21 module 2 7382 C None cu See Parameters see Sensor input BX21 module 1 prog no 7307 Sensor input BX22 module 2 7383 C None ca See Parameters see Sensor input BX21 module 1 prog 7307 Function input H2 module 2 7386 C None See Parameters see Function input H21 module 1 prog no 7321 Contact type H2 module 2 7387 C NO NC NO Voltage value 1 H2 module 2 7389 E 0 5 Funct value 1 H2 module 2 7390 E 0 Voltage value 2 H2 module 2 7391 10 7636047 02 24082015 75 9 Settings Configuration of extension modules Prog no Level Standard value Funct value 2 H2 module 2 7392 1000 Function input H21 module 2 See Parameters see Function input H21 module 1 prog no 7321 7396 Operating mode change HCs DHW Contact type H21 module 2 NC NO 7397 Input value 1 H21 module 2 7399 Funct value 1 H21 module 2 7400 Input value 2 H21 module 2 7401 10 Funct value 2 H21 module 2 Funct input EX21 module 2 None Counter 1st burner stage Heat Generation lock Error Alarm message Excess heat discharge 7402 7417
198. ulic TLP DHW pump Q3 DHW charging pump TZP Circulating pump Q4 DHW circulating pump SDP DHW mixing pump Q35 Thorough mixing of DHW tank during legionella function SUP St tank transfer pump Q11 Shuffles DHW from storage to DHW tank ZKP DHW interm circ pump Q33 DHW pump in secondary circuit of tank charging system e g LSR HP Heating circuit pump Q2 Q6 Pump of a heating circuit HKP Heating circuit pump HCP Q20 Pump for circuit HKP SKP Collector pump Q5 Pump of solar circuit SKP2 Collector pump Q16 Pump of 2nd solar circuit FSP Solid fuel boiler pump Q10 Boiler pump for wood boiler ZUP System pump Q14 Additionel pump for supply of distant circuit SBP Pump Hx Q15 Q18 Q19 Pump for swimmingpool H1 H1 pump Q15 Pump for high temperature circuit e g ventilation H2 H2 pump Q18 Pump for high temperature circuit e g ventilation H3 H3 pump Q19 Pump for high temperature circuit e g ventilation VKP 1 H1 Pump Q15 Pump for a consumer circuit as ventilation VKP 2 H2 Pump Q18 Pump for a consumer circuit as ventilation BYP Bypass pump Q12 Pump for return temperature elevation SET Solar pump ext exch K9 Pump for secondary circuit of solar heat exchanger KP Boiler pump Q1 Boiler pump in parallel to boiler operation 39 5 Before installation Fig 22 Legend for application examples part 2 Title in the hydraulic Title in the regulation Function Declaration DWV Three way valve general DWVP Solar ctrl elem buffe
199. ung 10V Contact type H2 module 1 7312 E NO NC NO Voltage value 1 H2 module 1 7314 E 0 5 Funct value 1 H2 module 1 7315 E 0 Voltage value 2 H2 module 1 7316 E 10 Funct value 2 H2 module 1 7317 E 1000 Function input H21 module 1 7321 C Optg mode change None Optg mode change CHs HW Optg mode changeover HW Optg mode CHs HW changeover CHs Optg mode changeover CH1 Optg mode 2 Optg mode changeover CH3 Heat generation lock Error alarm message Consumer request VK1 Consumer request VK2 Release swimpool source htg bertemperaturableitung Release swi pool solar Operating level HW Operating level CH1 Operating level CH2 Operating level CH3 Room thermostat CH1 Room thermostat CH2 Room thermostat CH3 Circulating pump thermostat Pulse count Boiler return thermostat Flow measurement Hz Consumer request VK1 10V Consumer request VK2 10V Room temp 10V Contact type H21 module 1 7322 C NO NC NO Input value 1 H21 module 1 7324 C 0 Funct value 1 H21 module 1 7325 C 0 Input value 2 H21 module 1 7326 C 10 Funct value 2 H21 module 1 7327 C 100 Funct input EX21 module 1 7342 C None None Counter 1st burner stage Heat generation lock Error alarm message Excess heatdischarge 74 7636047 02 24082015 9 Settings Configuration of extension modules Prog no Level Standard value Funct output UX21 module 1 7348 C None None Boiler pump Q1 DHW pump Q3
200. upplied by the buffer storage tank sensor B4 B41 Flow temp setpoint The flow temperature setpoint is used as compara tive temperature Setpoint min The value set in prog no 4110 is used as comparative temperature m Pump overrun time 4140 Setting pump after run time 9 2 15 Buffer storage tank Auto generation lock 4720 The hydraulic separation of heat generator and buffer storage tank is ach ieved by the automatic heat generator lock The heat generator is only put into operation if the buffer can no longer cover the current heat demand The following settings are possible None The automatic heat generator lock is deactivated With B4 The automatic heat generator lock is triggered by the buffer cylinder With B4 and B42 B41 The automatic heat generator lock is triggered by the buffer cylinders B4 and B41 B42 103 9 Settings 104 Auto heat gen lock SD 4721 The heat generator is locked if the the temperature in the buffer storage tank is higher than the boiler setpoint Auto heat gen lock SD m Temp diff buffer CH 4722 If the temperature difference between buffer storage tank and heating cir cuit temperature request is large enough the heat required by the heating circuit will be taken from the buffer storage tank The heat generator is locked m Min st tank temp heat mode 4724 If the storage tank temperature of the buffer storage tank drops below this value the heating circ
201. used for actuating the heat ing circuit pump Q2 Q6 Hot water ctrl elem Q3 Depending on the hydraulics a connected DHW charging pump or diverting valve Overheating protection K11 The relay switches the heating circuit pump on and off to protection the pump heating circuit from overheating m Sensor input BX21 module 1 7307 Sensor input BX22 module 1 7308 Sensor input BX21 module 2 7382 Sensor input BX22 module 2 7383 Sensor input BX21 module 3 7457 and Sensor input BX22 module 3 7458 Functions in addition to the basic functions are made possible by configur ing the sensor inputs None Sensor inputs deactivated Hot water sensor B31 Second DHW sensor which is used for full charging of the legionella function pasteurisation Collector sensor B6 First solar collector sensor in a collector field HW circulation sensor B39 Sensor for DHW circulation return Buffer sensor B4 Lower buffer storage tank sensor Buffer sensor B41 Centre buffer storage tank sensor Common flow sensor B10 Common flow sensor for boiler cascades Solid fuel boiler sensor B22 Sensor for the acquisition of the tempera ture of a solid fuel boiler HW charging sensor B36 DHW sensor for DHW charging systems Buffer sensor B42 Upper buffer storage tank sensor Common return sensor B73 Return sensor for the return diversion func tion Cascade return sensor B70 Common return sensor for boiler cascades
202. v e z HW ped pw Ex we w Jew LH w s ex D exa AML 314v tH ex 2 8 e 2 X Hz zx 2 _ el S E 5 E iei L jeuondo 2 421 2 HLR aaye R S V X x anojn GdAH EE 8 m HS 3d BL aviar 8 gc dH 49 9 BEL eus aL s IG 21201 2 HORRE gt da 5 H 1 WH OE 49s vje Hyo 1 gt H L ED 4 glee m 5 N HH LES e E z YSI uejs s iere s 8 HN gH ER a ld ex 5 m imp OH 29 229 Li dq 2 10 00106 22 2288 sng ht m 215 EE Ed tlel elelr TT rere NJ zuos noez 2 z un se pes Ob uonoes 10je19dO yoyms dip z sseippe uo puooes au jo Bursseupy c uonounj w nua 2209 108 z Z uoisuejxe 1209 2 104 51 LOY unono uonoun 4 0209 puooes eu
203. van POTTERTON Installation operation and maintenance manual Condensing gas boiler Eurocondense four 125 kW 170 kW 215 kW 260 kW 300 kW Dear Customer Thank you very much for buying this appliance Please read through the manual carefully before using the product and keep it in a safe place for later reference In order to ensure continued safe and efficient operation we recommend that the product is serviced regularly Our service and customer service organisation can assist with this We hope you enjoy years of problem free operation with the product Contents Contents T MOV ih Pee Us QC e e OR S RU e CR e VE C HR eK a 6 1 1 General safety astricti a c9 incest eve lO a e be d ke re 6 1 2 ed BON Uer gt D o REI e SE a 8 1 3 Specific safety instructions irssi llis 8 1 3 1 Liquid gas below ground 8 1 4 ee XR Ro PORC e entr Gave a T ub De OR Tee Red ee ded 8 1 41 Manufacturers liability uu acie ge Vad ee eoo RR ice CR 8 ae eo PRR Shaw e 8 142 Installers ege a cared Re RR dne e eed 9 140 UserslabUlb air Kee 9 2 Aboutthisman al 52 Peete Ses ___ AA TEES 10 21 Generaly EIAS 10 2 2
204. ve the lower rear wall Remove the flue gas connection leading upward and insert an 87 elbow Turn 87 elbow to the desired position side or towards the rear Remove either the rear cover plate or the side cover plate Replace the lower rear wall Glue the upper cover plate in place 41 6 Installation 6 1 2 Installing the air supply duct at the side The installation of the air supply duct on the left hand side of the boiler is shown below Remove the lower rear wall Remove the side cover plate 3 Insert the intake pipe elbow onto the existing intake pipe and turn in to the side position 4 Replace the lower rear wall N Ss RA 0000360 6 1 3 Installing the air supply duct at the rear The installation of the air supply duct on the rear of the boiler is shown be low 1 Remove the lower rear wall 2 Remove the rear cover plate 3 Insert the intake pipe extension onto the existing intake pipe 4 Mount the lower rear wall RA 0000361 42 7636047 02 24082015 6 2 6 3 Hydraulic connection Gas connection 7636047 02 24082015 6 Installation 6 2 1 Connecting the heating circuit 6 2 2 Safety valve In the case of open heating plants a safety supply and return pipeline must be connected in the case of closed heating plants a membrane ex pansion tank and safety valve must be fitted Caution The connecting pipe between boiler and safety valve must not be bl
205. via a relay output pro grammed as an alarm output or in the remote management system Consumer request VK1 Consumer request VK2 The set flow tempera ture setpoint is activated via the connecting terminals e g a ventilation heater function for door curtain units Note The setpoint is set under prog no 1859 1909 Excess heat discharge Active excess heat discharge enables for ample an external source to force consumers heating circuit DHW storage tank Hx pump to draw off excess heat with a signal For each consumer the parameter excess temperature discharge can be set to determine whether the forced signal is taken into account and should therefore take part in the heat discharge or not Release swi pool solar This function enables the solar swimming pool heater to be released externally e g via a manual switch or the solar charging priority to be specified as compared to the storage Optg mode change CHs HW The operating level can be set the contact instead of via the internal time switching program external time switching program Room thermostat CH1 up to Room thermostat CH3 With the input a room thermostat request can be generated for the set heating circuit Note i The quick decrease should be switched off for the corresponding heating circuits Hot water thermostat Connection of the DHW thermostat Pulse count By querying the input the low frequency pulse e g for flow m
206. viscosity compared with water boiling noises can occur under unfavourable conditions For most heating systems frost protection down to 28 C is not required 15 C is usually sufficient The heat transfer medium must be diluted 2 1 with water to set this operating point This mixing ratio has been tested by Potterton in relation to its practical suitability for use with gas condensing boilers Note 1 Up to mixing ratio of 2 5 1 the heat transfer medium Lasacor amp LS 1 is approved as an antifreeze agent down to 15 for use with Potterton gas condensing boilers 7636047 02 24082015 Caution 5 Before installation Keep the installation room frost free If an antifreeze agent is used pipework radiators and gas con densing boilers are protected against frost damage For the gas condensing boiler to be ready for operation at any time suitable measures must also be taken to keep the installation room frost free If applicable please also note special measures for any in stalled domestic hot water calorifiers The table shows the relevant amounts of heat transfer medium and water that need to be mixed together for varying volumes of water If other frost protection temperatures are required in exceptional cases individual cal culations can be made on the basis of this table Water content of Amount Water in the mix Frost protec the system Lasacor LS 1 ture tion do
207. w HW Forced draw source Overrun active On heating mode Opt start boost Optimum start control Central heating boost On heating mode Reduced heating mode Optimum stop control Reduced heating mode Frost protection active Frost prot room active Frost protection flow active System frost protect active Summer operation Summer operation Off 24 hour Eco active Setback reduced Setback off Room temp limitation Tab 16 Status table domestic water The following messages are possible under Drinking water Off End user Eu Commissioning Engineer menu Status Limitter has tripped Limitter has tripped Manual control active Manual control active Consumption Consumption Hot water preheat on Hot water preheat active Hot water preheat on Recooling active Recooling via collector Recooling via heat gen CHs Recooling via HW CHs Charging lock active Discharging prot active Charg time limitation active Charging locked Forced charging active Forced max st tank temp Forced max charging temp Forced legionella setp Forced nominal setp Charg el imm heater charging legionella setp El charging nominal setp charging reduced setp EI charging frost prot setp El imm heater released Boost active B
208. w the comfort setpoint Without room sensor or without room influence boost heating is imple mented in accordance with an internal calculation Due to the room set point acting as a basis the effect of the duration of the boost heating and that of the flow temperature works differently for each outside temperature m Quick setback 780 1080 1380 Quick reduction becomes active if the room temperature setpoint is switch ed from comfort level to another operating level reduced mode or protec tion mode During quick reduction the heating circuit pump is switched off and the mixing valve is also closed in the case of mixed circuits During quick reduction no heat requirement is sent to the heat generator Quick reduction is possible with or without room sensor with room sensor the heating circle function is switched off until the room temperature has dropped to the reduced setpoint or frost protection setpoint When the room temperature has dropped to the reduced setpoint or the frost protec tion setpoint the heating circuit pump starts again and the mixing valve is 89 9 Settings Tab 9 Duration of the quick reduction Duration of the quick reduction for reduction by 2 C in hrs enabled Without room sensor the quick reduction switches the heater off depending on the outside temperature and the building time constant prog no 6110 until the temperature has theoretically dropped to the re duced target value or the frost prote
209. water should not be mistaken for softening down to 0 dH Corrosive salts remain in the water with softening Caution Use only approved additives and processes When using additives use only agents approved by Potterton Softening and desalination must also only be carried out with sys tems approved by Potterton and with observation of the specified limits Failure to observe this rule voids the warranty AN Caution Check the pH value Certain conditions may result in automatic alkalisation raising the pH value of the system water The pH value should therefore be checked annually The pH value must be between 8 2 and 9 0 VDI Directive 2035 parts 1 and 2 Generally the requirements concerning heating water to VDI Directive 2035 parts 1 and 2 apply to all boiler sizes A restricting factor to VDI 2035 is that the partial softening of the water below 6 dH is not permissible Apply full desalination only in conjunc tion with pH stabilisation The under floor heating circuit has to be treated separately In this con text contact a manufacturer of water additives or the pipework supplier see above Caution Adherence to the conditions issued by Potterton is vital to safe guard the warranty Note The water hardness of the heating water has to be checked within the scope of the recommended maintenance of the boiler and the corresponding amount of additive has to be added if necessary 5 2 4 Further informa
210. wimming pool must be set at the respective relay output In addition the type of the solar regulating unit must be defined in prog no 5840 m Sensor type collector 6097 Selection of used sensor types for measurement of the collector tempera ture m Readjustm collector sensor 6098 Setting a correction value for collector sensor 1 m Readjustm outside sensor 6100 Setting a correction value for outside sensor m Time constant building 6110 The value set here influences the reaction speed of the flow setpoint in case of fluctuating outside temperatures as a function of the building de sign Example values refer also to Quick setback 113 9 Settings 40 for buildings with thick walls or outer insulation 20 for buildings of normal building design 10 for buildings of light building design Central setp compensation 6117 The central setpoint lead monitors the heat generator setpoint to the re quired central flow temperature With the setting the maximum corrector is restricted even if a larger adaptation should be required m System frost protection 6120 The heating circuit pump is activated without heat request subject to out side temperature If the outside temperature reaches the lower limit value of 4 C the heating circuit pump is activated The pump is activated every 6 hours for 10 minutes when the outside temperature is between 5 C and 1 5 C When the upper limit value of 1 5 C is reach
211. wing products for produc ing fully desalinated water have been tested and approved Complete desalination VE GENODEST Vario GDE 2000 from Gr nbeck www gruenbeck de Complete desalination cartridge SureFill from Sentinel www senti nel solutions net more devices on request Partial softening The following products are currently released by Potterton Sodium ion exchanger Fillsoft from Reflex www reflex de Heifisoft from Judo www judo online de Heating water softening 3200 from Syr www syr de AQA therm and HBA 100 from BWT Wassertechnik www bwt de SoluTECH from Cillit www gc gruppe de It must be ensured with an automatic blending device that the min hard ness is not less than 6 dH See The specifications of the manufacturer must be followed Further makes are currently undergoing testing Please ask Potterton for more information Caution If non approved products are used the guarantee becomes void Antifreeze agent Note 1 The use of antifreeze agents with Potterton gas condensing boil ers with aluminium heat exchangers The heat transfer medium Lasacor LS 1 offered for solar thermal sys tems is also used in heating systems e g holiday houses as an anti freeze agent In the mixture supplied in the canisters 42 Lasacor amp LS 1 58 water the freezing point crystal formation point is 28 C Due to the lower thermal capacity and higher
212. wn to i i 50 36 14 15 100 71 29 15 150 107 43 15 200 143 57 15 250 178 72 15 300 214 86 15 500 357 143 15 1000 714 286 15 1 The water for the mixture must be neutral potable water quality with no more than 100 mg kg chlorine or demineralised Please also follow the manufacturer instructions 5 2 7 Water hardness tips 1 With reference to the specific system volume e g when using heating water buffer storage tanks determine which requirements apply re garding total hardness of the fill and top up water to VDI directive 2035 and the following table If partial softening to 6 dH is insufficient according to the project spe cific water hardness diagram use either an additive or use only fully desalinated water with pH stabiliser If a boiler is replaced in an existing system we recommend installing a dirt trap or filter in the system return upstream of the boiler Flush the System thoroughly Depending on the materials used determine whether the addition of inhibitors partial softening or full desalination is the best method Record the filling process If an additive is used note this on the boil er To prevent gas pockets and bubbles it is essential to fully vent the system at maximum operating temperature After 8 to 12 weeks check and record the pH value Offer and con clude a maintenance contract Once a year check the system is operating correctly with regard to pressure mai

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