Vaillant 1 T3 W Instructions For Installation And Servicing Download Page 30 | Manualshive

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Summary of Contents for 1 T3 W

Page 1: ...No 47 04403 VCW2511 T3W GC No 47 04405 VCW sine 18T3W GC No 47 O44 01 Centralheating Domestichot water This aoolianceshallbe installedin accordancewiththe relevant Codesof Practiceby BritishGas or by an authorizedinstaller CORGImember These instructions should be left near the gas meter when the installation is completed ...

Page 2: ...flued or in the case d 2 VCW sine room sealed boiler with buifr it 4 instantaneousdomestic hot water heater l Outputratingsare shownin TechnicalDda The boiler is designedfor use in a sealedc open vented system with pumped circuldin ahd includes the instantaneous hot w 46 sYSIem 61 Circulating pump expansionvessel forseald 64 system only terminal box control and sdetf devicesare providedwiththe app...

Page 3: ...C solenoid 10 Fbwthermometer 11 Pumpwithautomaticairvent 12 Pressuregauge a l air vent points Terminalbox Switchboard mainswitch heating switch domestic hot water switch Domesticheatexchanger Flowthermostat Pressurereliefvalve Servicecock Gas service cock Overflow optionalextra Push button start Push buttonstop Pilotburner Piezounit 1 3 1 4 1 5 1 7 18 1 9 20 21 22 23 24 25 o o 6 o ...

Page 4: ...cingandaircirculation around the heater The combi boiler may be installed in any room although particular attentionis cjrawnto the requirementsof the l E E Regulationsand in Scotland the electricalprovisions of the buildingregulations with respect to the installationof the combi boilerin a roomcontaininga bathor shower Wheretheinstallation ofthecombiboilerwill be in an unusuallocation specialproce...

Page 5: ...ea of the flue fittedto the combi boilermust be not lessthan the area of the flue outletof the appliance An adapteris suppliedto allowthefittingof 125mm steelflue pipeor 125mm lightasbestoscementfluepipe When fitting flue pipes a split socket connector must be fitted to ensure easy disconnection of the flue pipe see page 13 fig 16 Flue pipes and fittingsshould be constructed fromone of the followi...

Page 6: ...tfrom outside cm2 I inr High Level vcw20 1 vcw25 1 VCW sine 280 320 235 42 50 36 5 140 160 120 21 25 18 5 LOW Level vcw20 1 vcw25i1 VCW sine 560 640 235 84 100 36 5 280 320 120 42 50 18 5 Tab 1 Note Both air vents must communicatewith the sameroomor internalspaceor must be both on the same wallto the outside air Where cupboard or compartment air vents communichtewith the room or internalspace the ...

Page 7: ...l should be protected by a sheet of fireproof material In addition a minimumclearanceof 400 mm Fig 3 Alldimensions inmm 16 in must be availableat the front of the appliance to enable the combi boiler to be servrceo Serviceclearanceof 150 mm 6 inches either sideis reouired For the open flue type appliancesVCW 2011 and 25 1an additionalclearanceis requiredfor the flue The combi boiler is supplied in...

Page 8: ...cribes the installation The walldistance tothe finishedwall of pipe woit toi gas and hbatingsystemis 50mm and 40 mm for domesticwaterPiPework 8 1 Compression union flow of heating svstem z S ervice cock flowof heatingsystem 3 Domestichotwaterconnection 4 Union gas 5 Gas servicecock 6 Coldwaterconnectionwithshut offvalve 7 Servicecock returnof heatingsystem 8 Overflow optionalextra 9 Pressurerelief...

Page 9: ... 4 I ...

Page 10: ...oup Usethe alternative fixing holes wherenecessary 4 3 2Domesticcold andhot watel connection Flush out all loreign matter from the supply pipe before connectingto the connecting grouP Fit the domestic mainswaterpipeto the riqhthandcompression union 2 andthe h5twaterpipetothelefthandcompression union 3 lnhard water areathemains supply tounion 2 should beviaa scalereducer bhect domestic watersystemf...

Page 11: ...ndoverflow Thepressure reliefvalve required fora sealed system isincluded intotheconnecting group Screw in the overflow 4 below the pressure relief valveintothedrainline Tobeavailableas anoptional extra I 4 4Fittingtheappliance Closeservice cocks 5 unscrew unionnuts 6 and take off the olive shaped plasticplugS Refit unionnuts 6 with brass compr6ssi on rings 7 Closemainswaterservicecock 8 andunscre...

Page 12: ...Balanced flued aPPliance Unoack boiler from carton and remove side Janels asin8 1 1 andpacking aidsaswellas blasticbaps from the connections Fit the flue buct 20 irtitntne 2 sheetmetalscrews 22 to the t le6copic duct 16 of the terminal duct assemblY Insertthe appliancewiththe connectiontubes downwardiirio the compressionunionsof the servicecocks and hang it on to the threaded boltsof the wall case...

Page 13: ... otthedraught diverter 24 Adapter 25 Splitsocketconnector 4 7Electrical connections Vaillant combi boilers arecompletelywired ltis onlynecessary to connect theelectrical mains andtheroomthermostat Connectto220 240v 50Hz electrical sgpply fused3 A Warning Thisappliance mustbeearthed Afterremoving theterminal boxcover connect themains totheterminal c oftheappliance in the mannerindicatedbelow A card...

Page 14: ...ermostat RT withaccelerating resistance The room thermostat must De inJiiiteo on an inner wall which is influenced neiinerOvcurrentof air nor by the sun in the livinqrooin Duringthe installation of the room therftostatthe manufacturer s indications must be followed For the sake of economy and iotfurt the Vaillant combi boiler should be requlated by a room thermostat with icceleiating resiitance lf...

Page 15: ...seda wirebridgemustbe insertedbetweenlerminals3 and4 Setthepumpcontrol to position ll VCW Terminal VAILLANT Roomthermostat VBT378 0 RANDALL TimeSwitch 103 Do not link terminal3 6 N Mains L Supply I Fig 21 24OV 5OHz VCW Terminal SWITCHMASTER 300TimeSwitch REMOVE 1 LinkN and2 2 LinkL and 4 N Mains L Supply 3 O VAILLANT Roomthermostat VRT378 0 24OVlsOHz 1 5 ...

Page 16: ...STMANN 125 COFONET Time Switch Do not link terminals L a n d 5 N t in L SuPPIY J 2r0v 50H2 3 o Fig 23 VAILLANT Foomlhetmostat vRT 3 78 l O VAILLANT Roomthermostat VRT 378 0 N Mains L SUPPIY 24ovl5oHz B 1 6 ...

Page 17: ...E 9 6 O E E 9 p 5 9 i E s a l t o l 9 8 8 x t o o o g F p o c o o a o o 3 o o 1 E Y r AI st tt E o o o c a E o a cl c 3 o CD lo o I l I I I b i i ...

Page 18: ...crew I switch box FFD 9 oush button start 10 pilotvalve 11 pushbuttonstop 12 thermo magnet 13 microswitch 14 thermo couple 15 pilotburner 16 sensorof overheatcut offdevice 17 mainheatexcnanger 18 airventingscrew 19 expansionvesset 20 mainburner 21 gas governor 22 mainburneradjustmentscrew i3 double stage mainburnervalve 24 venturi 25 differential valve 26 DC solenoid i8 expansionvesselpressurecont...

Page 19: ...1 terminal X3 tlo o rn rto i s rrtt 53 micro switcn t 54 micro switcn ll 58 micro switch hotwater 59 watersedlon 60 coldwaterinlel 61 watergovernor 63 hotwateroutlel 3e 3il J3 Y ilvarcr switch 70 electronic control 71 NTCresistor 1 1 1H 3 3f ftL 78 systembypass 79 relaY 1 9 ...

Page 20: ...D HOTWATER B andto BS 5376 2 and BS 5449 1 5 1 1SinglePiPe sYstem The heatemitters are installed on a closed circuit Thenecessary waterquantity forevery heatemitter radiator mustbe ensured This can be donefor instanceby usingsuction fittinos inthereturn connection oftheradiators The radiator sizesshallbe calculated on the basisof temperature distribution aroundthe circuit 5 1 2Two pipe system The ...

Page 21: ...s included into the combi bdler 5 6Openventedsystem lf itis required to usethecombiheaterinooen systemsit is possible to do so without anv modification to the combi heater W6 recommend to fittheexpansion pipe 2 atthe isofation valve no 7 tig 12 wherenormallv the pressure reliefvalveisfitted Therelevani British Standards andCodes ofPractice aswell a otl grrequirements involved seealso3 1 shouldbest...

Page 22: ...additional expansion ve ssel cin Oeinstatt6d to thesideconnection of the ieturn servicecock in connectionwith the pressure relief valve 5 7 4FillingandmakeuP The svstemshouldbe filledwithwatervia a seoar6te lilling point fitted ata convenientpoint on the neati nb circuit Wherelocal Water AuthorityRegulationallows a temporary connection to the mainsmay b eused The connection mustbe removecl whenlll...

Page 23: ... fiti untilthe pressuregaugeregisterst s iraiizr S PSI The system shouldbe filledwith water either from a sealedsystemfillerpump with a break La_lK or by a method of filling given in BS 5376 2 appendixA Checkoperationof safetyvalve Releasewater Trom rnesystemuntiltheinitialsystempressure oL t zoat ts atatned taking into accountanv otnerence in height between the pressur6 gauge and rhe pointat whic...

Page 24: ...0 seconos 6 4 5Flowthermostat Checkthe flowthermostat andall automatic Jontiofsareoperating satisfactorily Readjust controls to appropriate settings 6 5Watersoundness Allow the water systemto reach maximum woif inq temperatuie and examine for water iornon ihe system should thenbeturned offind rapidly drained whilestillhot Thewater iu t should again befilled andcleared ofair idcis Sealedsistemsshou...

Page 25: ...ance Tofitthelintarrestor hangitintothefront sideof thelower retaining frame andclipitagainst the appilance 7 2 Side panels Push the 2 side panelsfrom the frontonto the boilerand screwto the upperand lowerframes with two pairs of captive slotted screws lf the door isre quiredto open from the right see section7 6 0 a o o Fig 38 25 ...

Page 26: ... as indicated in fig 39 ileolacethe thermostatknob 7 4 Front Panel Press the front panel including the grey enameledcentresbctionontothe boiler the 4 boltsengagein the spring bolted supports 7 5 Door The door supports are attached at the right handsidepanelof the appliance dooropening fromthe left Thedoorisfittedasfollows place the door intothe uppersupportand fixto lower supportwiththe hingescrew...

Page 27: ...t pointpressureand dateof commissioning wiringdiagram to the inner side of the door as shown on fio 43 8 Servicing of combiboiler Thecombiboilershouldbe serviced at least oncea year A service contract maybeagreecl with BRITISH GAS or Your CORGI INSTALLER 8 1Turningoffthecombiboiler Toservice thecombiboiler Switchoffelectrical supply 1 tig 44 Turnoffgasservice cock 3 fig 44 boiler isolating valves ...

Page 28: ...rs A to removecombustion chamber caseas shown infig 45 t 8 1 2 Drainingthe aPPliance fig 44 and 46 Whennecessary theappliancemaybedrained as follows Openairvent 18 fig 46 Drain appliance through draln nlpple tr fig 46 D raindomestic heat exchangervia drain screw C fig 46 as well as pressure relief vdlve D fig 46 at the lower part of the watersection 8 2 Cleaning of burner and lint arrestor 8 2 1Cl...

Page 29: ...pen llued appliance Remove bumers by leveringoff burnerbar with a screwdriver Remove thermo couple probe by pulling downwards from pilot assembly so that probe disengaged from circlip Remove pilot assembly by unscrewingscrew F Remove burner bar by unscrewing nut E Cleanburners andinjectors withalightbrushor vacuum cleaner Reassemble inreverse order replacing mainburnergasketif necessary Fig 48 29 ...

Page 30: ...heating body especiallyfins carefully with hot waier detergents and brush lf necessary descale with propriety descaling aqent Do not bend the fins lf necessary st raighten carefullywithscrewdriver 8 3 2Open flued aPPliance Remove burner assembly as under 82 1 2 Slackensplitcollar Slacken the 2 screws holding the draught diverterand slidedraughtdiverterup as far as possible Remove sensor 3 of the o...

Page 31: ...nal M i connections and loosenthe screw L i tl tesstotheconnections unscrew ne towerretainingframe 8 4Descaling of domesticheatexchanger 111 l r_etcessarytodescatethedomestic heat excnanger removethe tl 1 _ y q saus nd t n i ru i Ji T nscrewing the2tubing nuts For6et tei i o theconnections reriovetheb e fi i p y unscrewing tne S retatning ily 1 I qy9 the3 u nion nuts K io ir 2 o_ rarn lng_ screws ...

Page 32: ...ox 8 6Maintenance of differential valve Mark and disconnect the two unionsand unscrew thethreeretaining screws Q Ooen differential valve and clean Check dihohraomand replace if necessary Check eaiv ruininq pin of diaphragmdisc in stuffing box In casebi replacement of the stuffingbox it is recommendable to replacealsodiaphragm disc Lubricatepinwith suitablegrease Mark and disconnectthe two controll...

Page 33: ...epilotflameandadjust withthepilot rate adluster 7 so that there are three seoarate flames lf the flameprofileis one larqe looseflame increase gas rateuntil3 seiarateflames develop asshown infig 60a Replace pilotjetif necessary Check theappliance forsoundness Check all controlsfor correctfunctioning reassemble outer casing of applianceas under 7 8 8 2Finaltestelectrical system Check earthcontinuity...

Page 34: ... screw S removethesparkelectrode and replace with the new electrode Reassemblein reverseorder ensuringthatthe sparkgapfromtheelectrodeto theflameshield is3 m takingcarenotto overtighten thefixing screw 8 12Change of NTC negativetemperature coefficient Plobe Disconnectthe AMP plug and unscrew the NTC probe Reassemblein reverseorder 8 13Change of automatic air vent Draintheappliance as under8 1 and8...

Page 35: ...o the side 8 14 1 1 Ghange of flowswitch mircoswitches Sorinqoffthe protective cover SG Unscrew S4 or S8 takeotfmicroswitchandremove theAMPplugs Reassemble inreverse order Adjustthe actuatingleveras outlinedunder 8 14 2 1 8 14 2Removalol completeflow switch Drain theappliance asunder 8 1and8 1 2 Removethe 4 unions S3 andthe 2 screws S4 Pultoff the AMP tag S5 of the NTC resistor ...

Page 36: ...as follows Turn down the adjustmentnut S10 slowlyuntilmicroswitchclosesthe redto brown circuitandmakeonemorecompleteturndown 8 14 2 2Change of thermostatic element Unscrewthe 3 retainingscrews S11 and remove the housing S12 Reassemblein reverseorder usingnewwashers 8 14 2 3 Changinginternalseals Removehousing as in 8 14 2 2 BemovesealsR1and R2andreplacewithnew ones Do not use any jointingcompoundo...

Page 37: ...and puil off the AMp ptugs Dl from the micro switch as weil as the Alrip dugs D2 from the DC solenoid socket Loosen the 2 retaining screws Dg Beassemblein reverseordel Check earth continuity polarity resistanceto earth a cordingto INSTRUCTIONSFOR BR T SH GASMULTIMETER 8 17Changeof DCsolenoidmicroswitch lsolatetheappliance fromtheelectrical mains Note thecolour codeandpullofftheAMpoluoi Ml Unscrew ...

Page 38: ...r 8 18 1 1Open flued boiler Take otf connection to main heat exchanger togetherwith the pump as shown on fig 75 Reassemble in reverse order using new washeratthe righthandconnection to themaln heat exchanger Screwin the automaticairvent by handonly Check earth continuity polarity resistanceto earth accordingto INSTRUCTIONSFOR BRITISH GASMULTIMETER 8 18 1 2Balanced flued boiler Unscrewthe upperpump...

Page 39: ... tn 6 i ilioii i fi 3i fi li JJJ i6fi o bytoosenins tnee ieiainiis 8 19 1Batancedflued appliance i Jl J TiH J t il pirot assembrv 8 19 2 Open flued appliance ruy thepitot suppon by unscrewinq the l _r3ll 19 screw G3 andihe i fi lAli 9y l moveihea reiainiii rz r reptace valve seating springi t fiffi3 l 3 assemble inrev i oio i lsin d Check connections forgassounctness 8 20Changeof gasgovernor 8 20 ...

Page 40: ...he oin Reasemblein reverseorder usino new wasner Checkconnections for gas soundness 8 23Change of switch box lsolatethe appliancefromthe electricalmains Markthe pilotlines disconnect thetubingnuts and removeoilotlines Pullthe thermocouple out of the pilotburner assembly and unscrewthe retaining unionnut 82 fromthe switchbox Removethe 2 retainingscrews Bl and pull outtheswitchbox Notethecolourcodes...

Page 41: ...geof FFDPushbuttons t t itch boxasoutlined under 8 23 llm io r ing r ing ffi andpulloutthe push buttontothetront Reassemble inreverse order Check earth continuity polarlry rdi b ln s 4 t3 gKs FoR BRrrrsH 6nsvuirtuEren 6n n onn tions forgassoundness 8 26Changeol Pilotvalve Unscrew tn ofuq 84 andp9l gutspring 85 b t flJfl iin i f lst igslas n 1 J 6io t utinga newwasher Checx coniections forgassoundn...

Page 42: ... C1 Remove the four retainingscrews C2 Lift up the switch box and pull out slowly the control box cover complete with the switch board printedcircuitand terminalboard Pull off the multipleplugs from the printedcircuit Reassemblethe box in reverseorder When replacing the screws position the 2 star washersdiagonallyto the screws 8 29 Change of main swilch board Take off the switch board as outlined ...

Page 43: ...out of the mainheatexchanger Unsciew the2 retaining screws C8 release grommet fromboxandremove cut offdevice Reassemble inreverse order Check earthcontinuity Polarity resistance to earth according to INSTRUCTIONS FORBRITISH GASMULTIMETER Check connections forgassoundness 8 32Changeof electronicP c b Openthe control boxas outlined under8 28 L Uirscrewthe retaining screw C9 on the left rt handsideof...

Page 44: ...ionnut W3 movetheexpansion vesselupandtakeit off Reassemble in reverseorder takingcare thattheexpansion vesseliscorrectly fixedinto the2 supports Usenewwasher ifnecessary 8 33 3Heatingsystembalancedflued appliance lsolateelectrical mainsand removemains cable Closeoff waterandgasservicecocks anddraintheappliance asoutlined in8 1 2 Disconnectflow and return connectionsat compression joints on top of...

Page 45: ...sconnectthe tubing nut U1 ot the control lineand removethe fixingnut U2 Reassemblein reverseorder 8 36Changeol systembYPass Closeoff flow and returnservicecocksand drain boiler asoutlined in8 1 2 t Unscrew the 2 unionnuts V and remove valve Unscrew the3 screws holding thetopol the valve Renewdiaphragm or springas necessary Donotmovespringadjusting nut Reassemble in reverseorder using new wasners f...

Page 46: ...nd lightPilot rsgas pressure available Can Pilotbe lit De aeratePilotGas Pipeby unscrewing PilotAdlustmdnt Screw ls Pilot Gas Pipe de aerated Check orclean if necessary Pilot Gas Filter andPilot Jet CheckPilotflamecorrect size Check Thermo Tipisclean Check Dositioned inflame Recitify any fault 46 ...

Page 47: ... DaesPitot Flame re main Releas green button afterabout 10seconds z Adiustment otPilotFlame and Themocouple GheckThermocouple Vohage min 15 mV DC Opencircuit Voltage satisfactory ...

Page 48: ... On completionof the service faultfinding task which has requiredthe breakingand remakirtgof electricalconnectionsthen the checks A EarthContinuity C Polarityand D Resistanceto Earth must be repeated PreliminaryElectlical SystemChecks accordingto Instructions for BritishGas Multimeter PushMainSwitch intoposilionl ReplacefaultyNeon andrefil Main SwitchCover Replacefarlty P C B withMain Switch ReI t...

Page 49: ... oithe control box unscrew the cover of the terminal box unscrew upper part ot control box 2 screws and press it a little bit upwards unscret vknob of boiler thermostat unscrew front panel ot control box with switch group pull off multicontactplugs Aand B remove printed circuit by loosening the two screws beside the switch group install new orinted circuit 49 ...

Page 50: ...ystem Do notuse domestichotWater switchfor domestichotwaterremainsin PositionZl PushHeatingSwitch intopositionl ls voltage 240 V AC trom Switchgive light Can Pilotbe Iit ls Overheal CufOfi Device of Overheat Cut Off Device on P CB t a t f 50 ...

Page 51: ...mrrectly r siti cned Ref note4 Note 2 For re s tting press the black rubber butlon on right hand side of control box behindthe terminal box Note 3 For this purpose open the control box as describ d in Note 1 The overheat cut off device isiitt i on righthand side ofthe control box Checkitthe flat plugs ofthe overheat cut otl device are tight Nole 4 For this purpose open the control box as described...

Page 52: ...nnectionon DC solenoidto blackFFD connections Reolace MicroSwitchif faultyRet to note8 Re itconnection to NTCprobe Hasfuseon Electronic P C B Replace0 25Amp fuse Replacetaulty ElectronicP C B Ref to note9 Nole 6 The D C voltage of 5 15 V is controlled at the supplyterminals of the solenoid vatue Attention When the indicator tums to the left the measuring lines must be reversed On ignition ot the b...

Page 53: ...lbox checkthe fine wire tuse of the eleitronic lf necessary replace it Attach plugs A and B again and re assemble control box 9 For this purpose open control box as described in f fotef Pull off the multicontactplugs A and B The electronic printed circuit can be removed by unscrewind the cross recessed head screw on the left hand siddof the control box Pull out the printed iircuit towards the fron...

Page 54: ...n Main Switchgive 1 light SetSwitch for Domestic HotWater toposition I Device Ret to note2 and checkconnections n if no voltaqe240 V fromlermin l 5 to 4 CheckMicroSwitchM1 by drawinghotwater MicroSwitchM1 hasto be actuated closed bv SwitchLever Observ6 pistonrising Adjustor MicroSwitchM1 no voltage240 V AC fromterminal4 to 5 Bel to note 12 54 ...

Page 55: ...o sheet 4 Note 2 Thetunction summei isonlycontrolled by the microswitch M1oltheflowswitch Duringdomestic hott t iiiii JtioiiinJi6itlct iugmustoperate themicroswitch Ml close lfthe microswitchisnotoperated bythecontact lug anadiustment isnecessary ForthisDurpose openthewarmwatertap apglign ce 9 t1 ot oDeration switchotf mainswitch lghtentnJiiri oi tne iwititr roit topol flowsivitch bvmeansof a Lgft...

Page 56: ... and the movement of the switch Dinof the water section can be observed Ooen the warm water tap With a water flow quantity ol approx 1 l min the switch pin must move and operate the micro switch via the switch lever which can be adiusted lf the switch pin of the wdter section does not hove the water section must be removed and checked diaphragm lf the micro switch does not operate despite the fact...

Page 57: ...ot water iap Diaphragm Dinof waler seclion has to move up anddown Draw otf one l min and Pin hasto be in upper positjon lf not clean Water Sedion according seruicing instructions Ref to note 14 Switch on eleeticity lsWater Slection tested lsvoltage 240 V AC trom CloseControlBox ls Micro Swildt acluated Adiust Swilch Lever by slac ening screw in elongated hole Bet to Note 14 t ls voltaoe 240VAC om ...

Page 58: ...TING DIFEPRESSSWITCH SWITCH DOM HOTWATER 412 br FLOWSWITCH A1 to A12 81 to 811 E1 to E12 T 2 t o T s bkl to bks MultiplugA MultiplugB MultiplugElectronic SinglePlug onElectronic Terminals BlackWirewith MarkingNumber 8 1 0 gv TIME CONTROL ANDTOR ROOMTHERMOSTAT Fig 98 NTC RESISTOR FROSTSTAI 58 ...

Page 59: ...vEffi iii M FLOWSWITCH NTC_RESISTOF OVERHEAT CUT OFF DEVICE I z cc F o U J Fig 99 i o 59 ...

Page 60: ...Fig 100 12 11 E 3 9 9 Fig 103 o 60 Fig 105 ...

Page 61: ...20 262356 10 1363 262494 10 1002 263906 10 1008 262907 13 0132 262489 07 0334 08 6165 263986 09 1008 263987 14 3935 14 0012 06 1704 18 1001 07 3965 07 3966 vcw 20 vcw 25 VCW 20 VCW sine 18 vcw 25 VCW 20 VCW sine 18 vcw 25 vcw 20 25 VCW sine 18 vcw 20 25 VCW sine 18 vcw 20 25 VCW sine 18 VCW 20 NaturalGas VCW 25 NaturalGas 262488 263935 263950 262418 262419 green red 21 22 23 24 25 26 27 28 07 1143...

Page 62: ...r capacity of heating system cold1 forsealedsystem 260 57 2 l lmp Gal Maximum water pressure Minimumstatichead for open heatingsystem 1O 142J 0 1 5 2 1 3 bar P S l bar P S l Minimumwaterpressure for domesticwater supplyof1 l min o 2 2 84 bar P S l Pumppressureavailable for central heatingsystem appliance as delivered about UPS 18 60spareheadabout 0 25 8 4 0 205 6 9 bar feet bar feet Weigth 59 130 ...

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