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ATAG seria Q

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1. Boiler type A Height total B Height cylinder C Width D Depth E Left side Flue gas F Back side Flue gas G Centre to centre flue gas and air supply H Condensate pipe c J Expansion vessel pipe e K Flow pipe solar absorber i L Return pipe solar absorber u M CH return pipe r N CH flow pipe a P DHW pipe w Q Cold water pipe k R Gas pipe g S DHW Circulation pipe z T Supply cable U Supply cable V Pipesc ande W Pipes i u r a w and k X Pipe g Y Front cylinder casing Dimensions Q Solar Q25SC380 Q38SC380 mm 1860 1830 660 1040 415 920 120 480 525 560 610 670 730 790 840 930 870 1040 675 744 766 796 970 Table 1 Dimensions Q Solar See Table 1 and 2 Figure 2 Q Solar Boiler type Q25S C380 Q38S C380 mm Air supply Flue gas 125 80 Flue gas 80 Gas pipe g 15x Z int CH flow pipe a 28x1 ext CH return pipe r 28x1 ext Condensate pipe c 0 32 Cold water pipe k 22x94 ext DHW pipe w 22x94 ext Flow pipe solar absorber i 22 Return pipe solar absorber u 22 Expansion vessel pipe CH e 22 DHW circulation pipe z 22 Connection diameters Table 2 Installation amp Servicing Instructions ATAG Q Solar ro Installation amp Servicing Instructions ATAG Q Solar 6 Connecting the boiler O Xy 9 gt gt The bo
2. 4 o o pe gs 9 o 0 s A0 2 dung uejs g m 1elos ol o U9IIMS xe dwy ajn l ln n MHG onea Kem oosy uonaouuoo JeyUOIeD zozz seos mnog dina wuopa Adang semog A 08 Aot AOEz glelolelelelele el lelelelelelelele Umolg O1 KO 2 t A OEZ ojen Jeuieyx3 uoniub uonesiuo A0 Z WMd dung VW po Zo Jo N CN nd Installation amp Servicing Instructions ATAG Q Solar 8 2 8 3 8 4 Outside sensor optional Place the outside sensor on a north facing wall The outside sensor should be placed in such a way that sun snow and or air streams of ventilation do not have any adverse influence Do not place the sensor on a chimney Connectthe outside sensor with a 2 core cable of 0 75mm2 on connection points 18 and 19 of the connection terminal in the Control Tower see figure 13 and 16 Solar absorber sensor The PT100 absorber sensor T7 green ispartofakitcomprisingthe PT100 Solarcylinder sensor T6 red and the delta T con
3. In hard water areas the DHW temperature setting should not exceed this setting to avoid possible scale build up Frost protection Advise the user of the precautions necessary to prevent damage to the system and to the building if the system does not remain operative during frost conditions Please ensure that if you are absent during a period of frost the central heating system remains in operation and the rooms and CBS cylinder are kept above freezing point Finally advise the user that for continued efficient and safe operation the boiler and cylinder should be serviced at least once a year by qualified servicing company It is important and strongly recommended that arrangements are made for a maintenance agreementwith a qualified servicing company to ensure regular servicing of the boiler and cylinder Please contact ATAG Heating UK Ltd for further details 14 5 Warranty For warranty conditions please refer to the warranty card supplied with the boiler Installation amp Servicing Instructions ATAG Q Solar I 9 Installation amp Servicing Instructions ATAG Q Solar I I 15 Technical specifications Q Solar 380 Litre Boiler type Q25SC380N Q38SC380N Input Hs CH kW 25 38 Qn Input Hi CH kW 22 5 34 2 Qnw Input Hi DHW 22 5 34 2 Efficiency class according BED 96 KAKA KAKA Efficiency according ENG77 36 30 C part load Hi VJ W Efficiency according ENG77 80 60 C full load Hi Li one INA Mod
4. Note Handling and storage packages Handle with care Note the instructions symbols on the packages Installation Always read the installation manual before installing the system and putting the system into operation Technical details See page 10 for dimensions and page 41 for Technical specifications Installation amp Servicing Instructions ATAG Q Solar oO Installation amp Servicing Instructions ATAG Q Solar 1 Introduction These instructions describe the functioning installation use and primary maintenance of ATAG central heating units for the United Kingdom and Ireland Where necessary the different regulations for each country are separately described These instructions are intended for the use of a Corgi registered installers or registered Bord Gais installers in connection with the installation and putting into operation of ATAG units Itis advisable to read these instructions thoroughly wellin advance of installation Separate instructions for use are supplied with the unit for users of ATAG central heating units ATAG is notliable for the consequences of mistakes or shortcomings which have found their way into the installation instructions or user s manual Further ATAG reserves the rightto alter its products without prior notification When delivering the unit give the customer clear instructions concerning its use present the customer with the user s manual and card Each unit is fitted
5. Min ke Installation amp Servicing Instructions ATAG Q Solar Oo nd Installation amp Servicing Instructions ATAG Q Solar 6 7 Flue gasexhaust system andair supply system The flue gas exhaust system and air supply system consists of Flue gas pipe Air supply pipe Rooforwallterminal The flue gas exhaust system and air supply system must comply with United Kingdom The flue gas outlet and air supply installation must comply with the current regulation requirements BS 715 BS 5440 1 2000 and BS5440 2 2000 and BS 715 Ireland Irish standard is 813 section 9 10 1 A All flue gas parts which are outside the fire resistant cover need to be in stainless steel SS v Air filter ee Open boiler BoilerClass B A Free exhaust area PP cease A PP MW PP MW Boiler Class C Permitted only when the air intake and the flue gas outlet are in the same pressure area Room sealed system Open boiler en roomsealed system figure 8 The appliance connection diameter is 80 125 mm to which the flue gas outlet and air supply system can be fitted with or without elbow pieces The maximum permissible pipe length is set out in Table 8 Itis also possible to use a parallel pipe connection of 2x 80mm In th
6. ZZZZA il 5 Maximum straight lenth 80 125 13 Maximum straight lenth 100 150 34 87 bend resistance length 87 bend resistance length 45 bend resistance length 45 bend resistance length L Dimensions flue gas system and air supply system Table 8 Installation amp Servicing Instructions ATAG Q Solar N C2 Installation amp Servicing Instructions ATAG Q Solar 7 Solar circuit l The cylinder of the Q Solar is provided with a system to connectto a glycol solar system The cylinder can be recognized by the type name on the data plate of the cylinder SC380N N nonvented This system is a pressurised closed system The system has to be filled with glycol Follow the instructions of the supplier of the solar absorber 7 1 Expansion vessel solar circuit The cylinder of the Q Solar is provided with an 18 liter expansion vessel Take this into account when designing and calculating the solar circuit 7 2 Filling and de aerating the solar cicuit Filling and de aeration of the solar circuit should be executed according to the instructions of the supplier of the absorber When the system is filled and de aerated the switch Solar on the Control Tower must be switched on 1 When the boiler has to be operated without connection to a solar circuit the switch solar on the Control Tower should be switched off 0 and the flat cable should be removed from the Solar Module The Solar Module PCB is
7. connections All other types or makes of room thermostats or controls which are used must have a Volt free contact When using an on off thermostat or control itis possible that an anticipating resistance mustbe installed in order to preventtoo high temperature fluctuations As a standard rule this means mercury thermostats This resistance wireis presentinthe Control Tower and must be connected to clamps 23 and 27 The anticipating resistance in the room thermostat has to be set at 0 11 A The high limit thermostat of the cylinder must be connected to clamps 24 and 25 For more detailed questions regarding the components which are not supplied the country distributor should be contacted Connection terminalQ 230 V 230 V 230 V 230 V e Calorifier connection Outside Brain Room External 24V Power Supply External Pump EA si three way valve DHW sensor Smart therm safety 100 mA N L N L N L E N L en paw N Sent A B On Off contact 10 11 g 12 13 14 15 16 17 18 19 20 21 24 25 26 27 6 E o 25 2 S 28 og 7 o an o lt C c o Uo o E PEL G eo E o o oso o ne 5 KE o oO NAN oe PN e rt E C O ex o e 0 95 o O gt 95 o E c 7 a 2 1505 gt 5 Sei Z 1 p 2 ogc olez re a oS oS o wx Z23 E 22 gt c C oF gt PLS T
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9. 125 and 100 150 are push fit connections see figure 11 The air intake for the 60 100 is a clamp ring connection These two types are not interchangeable Cutting the pipe goes as follows Take out the inner tube by turning it until it releases from its security position Cut just as much from the air intake part as from the flue gas part Take off the burrs from the cutting edge to prevent cutting the seals Click the pipes back together again Use silicon based grease to simplify the fitting When mounting the flue gas system pay attention to the flow direction An arrow on the product points this out It is not permitted to mount a system upside down and will lead to complaints hus 60 1007 250mm 80 125 280mm pa o Mi i Va Sal da WJ NN CN gt v AY ES DP NG 190 Jw DSL SS minimum height flue N Installation amp Servicing Instructions ATAG Q Solar Figure 10 Dismantlement and shorten pipes Figure 11 6 7 1 Example A 25kW with a concentric flue gas system 980 125mm has according to the table a maximum flue straight length of 31m In the system that is going to be put in there are 2 x 45 bends so the maximum flue gas length is 31 2x1 1 288 meters 16 25 kW Flue system dimensions Thefluediameteris determined by the total length ofthe run including forthe connection pipe elbow fittings and term
10. 20 60 20 70 Available pump height CH kPa 32 16 Pump type solar system UPR15 60 UPR15 60 CE product identification number PIN 0063BQ3021 Manufaciurer ATAG Verwarming Nederland BV Galile straat 27 NL 7131 PE Lichtenvoorde Technical specifications Table 10 16 Parts of the boiler ATAG Q OANOAARWND cozamom o heat exchanger ignition unit fan unit air inlet damper gas valve safety valve automatic air vent ceramic burner cassette air box gas pipe flow connection central heating return connection central heating condensate pipe expansion vessel pipe cold water pipe hot water pipe Cylinder return pipe Flow pipe absorber Return pipe absorber 10 operating panel 11 type plate 12 Control Tower CMS 13 three way valve 14 circulation pump 15 Modulating 3 way valve Solar CH 16 Safety group 17 thermostatic mixing valve 18 Expansion vessel Solar circuit Z DHW Circulation line connection T1 flow sensor T2 return sensor T3 cylinder sensor DHW combi T4 Outside sensor optional T5 Flue gas sensor optional T6 Oylinder sensor Solar DT T7 Absorber sensor Solar DT T8 CH Solar sensor T9 CH Solar return sensor figure 22 19 Solar pump 20 Relief valve solar circuitV 21 Drain valve cylinder 22 Fill and drain valve solar circuit 23 Flow restricion 24 Single check valve DHW 25 Temperature and pressure relief valve 26 High limit thermostat P1 water pressu
11. 201 Value OFF OFF OFF OFF 0 0 Description Range boiler in operation with burner function on OFF max fan adjustable and burner off OFF max pump adjustable with burner on OFF max showroom position ON active and OFF non active ON OFF Solar pump Manual 1 Automatic 0 0 1 Three port valve solar heating open 1 closed 0 0 1 Error Mode ERRO Value Description Err L Err 5 Last saved error until 5 last predecessing errors 1 error code 2 operation status boiler 3 AG flow water temperature T1 4 C return water temperature T2 5 kW load 6 pump capacity Parameter Info Service and Error chapters Table 9 Most of the data in this table can be optained by the BrainQ Most of the adjustments which are stated in this table are unnecessary when in combination with the ATAG BrainQ thermostat and will be taken care of by the BrainQ itself and do not have to be adjusted For further information regarding the BrainQ thermostat please refer to the ATAG BrainQ installation manual 11 5 Step 7 I flow water temperature in C heating line adjustments Parameter Step 6 and 7 graph 2 Activating factory settings green key function Toactivate the factory settings again please follow the next procedure Note all altered adjustments will be set back Select when necessary the technical read out Select with the MODE key chapter PARA Pressthe STORE key The word Copy will appear and the factory
12. 2010 VC 8010 VC 6940 Maximum power DHW in kW No function Minimum pump capacity Q60S Maximum pump capacity Heating Address of boiler in cascade No function ATAG Bus thermostat BrainQ MadQ Smart Cascade boiler 1 to 8 Range 20 85 C 01 02 03 04 min max 00 01 0 2 3 5 1 1 1 4 20 0 5 to 5 C 5 to 5 C 0 15 00 01 20 to 10 C 40 80 C 00 01 min max 00 01 25 100 40 100 01 00 00 07 Info Mode INFO Factory 1 C 4 C 5 C 7 C 8 C 16 17 kW 18 kW 20 21 GJ 22 GJ 23 GJ 24 Std 25 Std 26 Std 32 Std 37 Std 46 Std 200 C 201 C 202 C 203 C 204 h 205 h Description flow water temperature T1 return water temperature T2 DHW temperature T3 outside temperature T4 flue gas temperature T5 actual power in actual power in kW actual load in kW indication bus communication consumption total in GJ x 33 2 m3 consumption CH in GJ x 33 m3 consumption DHW in GJ x 33 m3 total number of burner run hours number of burner run hours CH number of burner run hours DHW total number of hours counter total number of run hours pump CH and DHW within how many hours is service required Solar Cylinder Temperature T6 Solar Absorber Temperature T7 Solar Cylinder Temperature Heating coil T8 Solar Cylinder Return temperature Heating T9 Solar pump running hours Total number of hours solar contribution to heating Service Mode SERV WN 200
13. It consists of a concentric connection 80 125 mm It is recommended that isolation valves are fitted to all heating and hot water connections to facilitate ease of future maintenance It is advisable to spray clean all of the unit S connecting pipes and or to spray clean blow clean the installation before connecting it to the unit 6 1 Central Heating system When an external installation pump is connected to terminal points 4 5 6 in the Control Towerthe pump will switch parallal to the boiler pump Connect the central heating system according to local regulations The boiler pipes can be connected to the installation by means of compression fittings Reducers should be used for connecting to thick walled pipe welded or threaded Install the drain valve with the T piece in the CH return pipe within reach Itis not necessary to install aheattrap in the central heating pipes Thisis already present in the cylinder The boiler has a self adjusting and self protecting control system for the load and the pump capacity This means the temperature difference between the flow and return water is checked Table 3 shows the water displacement which supplies the circulation pump at certain installation resistance If the installation resistance is higher than the stated value the pump will rotate at maximum pump capacity and the load will be adjusted until an acceptable temperature difference between flow and return
14. The following components are connected to the collective condensation drain pipe Condensation discharge Safety valve Draining of the condensation water to the external rain guttering is not A permitted in view of the danger of freezing A Before putting the boiler into operation fill the siphon with 300 ml of water The condensate pipe must be run using suitable corrosion resistant materials eg plastic 6 6 1 Condensate discharge ATAG Condensing boilers have the top SEDBUK band A Classification for high energy efficiency in heating and domestic hot water All ATAG wall hung gas fired condensing boilers contain a syphonic condensate trap to collect and realease condensate The ammount of condensate formed is determind by the type of boilers and the water temperature produced by the boiler Condensate pipework Use plastic pipe work of a diameter no less then 25mm Routing of the pipe work Wherever possible the condensate pipework should be routed internally to prevent freezing The condensate pipework must fall at least 50mm per metre towards the outlet and take the shortest possible route Supportthe pipe atleastevery 50 cm for near horizontal sections and 1 metre for vertical sections External pipework The pipework should be kept to a minimum and the route as vertical as possible Do not exceed 3 metres outside the dwelling Terminate as close to the ground or drain as possible below the grat
15. cock must be installed adjacent to the appliance for isolation purposes The nominal inlet working gas pressure measured at the appliance should be 20 mbar for Nat gas G20 Make sure that the gas pipe work does not contain dirt particularly with new pipes When the boiler has to be converted from natural gas to LPG ATAG can supply conversion kits for this purpose Special instructions are supplied with the kit Always check the installation of all of the parts through which gas flows using leak detection fluid Installation amp Servicing Instructions ATAG Q Solar dI 6 5 Hot water supply A Connection of the drinking water installation should be done according to the national water laws Q J The sanitary water pipes can be connected to the installation by means of compression fittings The cold water inlet must be provided with the supplied DHW safety group see of figure 4 consisting of counted in the water flow direction Pressure reducing valve with integral strainer Balanced Checkvalve watersupply Core unit DHW expansion Expansion vessel 6bar potable water blue vessel blue gt l Expansion valve with tundish safety group Figure 4 The cylinder is provided with atemperature and pressure relief valve T amp P valve ontop of the cylinder see figure 5 72 Install the tundish of the T amp P valve according figure 7 and table 6 WARY Ta metal discharge pipe D1 f
16. gauge 23 24 25 21 Expansion vessel Cylinder sensor Solar Delta T Oylinder drain valve DHW circulation pipe Adjustable flow restrictor Pressure temperature gauge Temperature and pressure relief valve High limit thermostat Installation amp Servicing Instructions ATAG Q Solar Oo Installation amp Servicing Instructions ATAG Q Solar wk 5 Mounting the boiler The room where the boiler will be placed must always be frost free To prevent heatloss the boiler should be placed as close as possible to the absorber and if possible as close as possible to the most used DHW tap s Itis NOT necessary to have a purpose provided air vent in the room or internal space in which the boiler is installed Neither is it necessary to ventilate a cupboard or compartment in which the boiler is installed due to the extremely low surface temperature ofthe boiler casing during operation Therefore the requirements of BS 6798 Clause 12 and BS5440 2 may be disregarded The Q Solaris a floor standing upright boiler The floor on which the boiler will be placed must be flat and of sufficient strength in order to be able to carry the boiler weight with its total water content Above the boiler there must be at least 250 mm working space in order to be able to fit a coaxial flue system or a twin supply Take account of enough space around the boiler in order to make connections to the boiler and installation and allowing for a
17. must be retreived from the CMS The other functions are Central Heating programme key function Hot Water programme key function Pump programme key store function which means that by means of this key a modified setting is confirmed Step key scrolling in a data chapter Solar module Inthe Control Tower nextto the CMS forthe boiler is the Solar Module Delta T controller to control the solar circuit This control is completely separate from the boiler control and can be switched off with the switch on the Control Tower Functioning of the Solar module The Delta T control of the Solar module functions in combination with 2 solar sensors One is situated on the cylinder the second one is situated in the absorber follow the instructions of the supplier Theinputs for the sensors have a temperature range of 40 C to 175 C The maximum temperature difference between cylinder and absorber amounts to 80 C to 175 C The Delta T controller works on the basis of the measured temperature difference between the sensor in the cylinder and the absorber The absorber pump is activated if the temperature in the absorber is approx 10 C higher than the temperature in the cylinder The absorber pump switches off automatically as soon as this temperature difference has dropped to approx 2 C The pump also switches off automatically as soon as the cylinder has reached a temperature of 80 C The controller allows the
18. settings are active again Installation amp Servicing Instructions ATAG Q Solar oO N e Installation amp Servicing Instructions ATAG Q Solar 12 Isolating the boiler A In some situations it may be that the entire boiler must be switched off By switching off the three keys with the lamps for central heating hot water and pump programme mm a or se the boiler is switched off Leave the plug in the wall socket which means the circulation pump and the three way valve are activated once every 24 hours in order to preventjamming In the event of frost danger it is advisable to drain the boiler and or the installation Alternatively you can drain the central heating system boiler and CBS cylinder Please contact your Installer The cylinder can be drained almost completely gt 8096 using the drain valve at the bottom of the cylinder 13 Commissioning 13 1 A A Work on the boiler must be carried out by a competent person Ref Gas Safety Installation Use and Regulations using correctly calibrated instruments with current test certification To commission the boiler the casing has to be removed The casing is locked with a screw behind the door on the front and the top of the casing is hooked behind a locking edge After removing this screw the casing must be lifted atthe bottom by which means it is released from the locking edge Then the casing can be removed forward The boiler settings su
19. supply and open nearest hot water tap to depressurise the secondary water system Check the expansion vessel charge pressure gauge at the test point If the pressure is below 3 0 bar top up with suitable air pressure pump Complete service section of cylinder commissioning checklist In the event that parts require replacement use only genuine parts supplied by ATAG Heating UK Ltd Please contact your installer or ATAG Heating UK Ltd for further details 14 3 14 4 Drainingthe installation During servicing one of the following items has to be drained 1 Central heating system boiler The central heating system and boiler can be drained using the fill and drain valve installed in the system If service valves are installed advised the boiler can be drained seperately from the rest of the installation via the drain valves on the service valves 2 Cylinder The cylinder can be drained almost completely gt 8096 using the drain valve at the bottom of the cylinder behind the bottom part of the casing 3 Solar system Hefer to the instructions of the supplier of the absorber to drain the solar system User sinstructions Hand these instructions and the user manual to the user for retention and instruct in the safe operation of the boiler and cylinder Advise the user of the operation of the cylinder temperature and that normally a setting of max which gives a stored water temperature of approximately 60 C is adequate
20. the cylinder Allow the cylinder to fully heat up Turnoffthe boilers hot water programme and open all hot water outlet taps until the water runs cold This will flush the cylinder and pipe work through To drain the cylinder The cylinder can be drained by means of the drain tap fitted Close the cold feed supply isolation valve Open all hot water outlet taps Open the cylinders drain tap until water stops flowing 10 2 Centralheating system primary circuit A Do not use boiler pressure relief valve for venting purposes Thecomplete primary heating system must be flushed out with cold and hot water Fill and vent the central heating system as detailed in the boiler installation instructions Use only potable water For filling or topping up the installation you use the filling loop according to the following procedure Switch on the power supply The diplay will show FILL Fill up slowly to 1 5 to 1 7 bar STOP appears on the display Close the filling loop o OO N Oo oa A CQ N All functions off heating DHW and pump Push briefly the STEP button P x x water pressure in bar Open the filling loop Indication on display increases De aerate the complete installation start at the lowest point 10 Check the water pressure and if necessary top it up 11 Close the filling loop 12 Activate the functions in use heating mi DHW N and or pumps 13 If A xx appears on the di
21. to 0 04 mbar Ifthe zero pressure deviates too much Remove black cover of the gas valve Remove cap with Torx key fig 19 Turn slightly the Torx screw behind the cap Turn left is positive pressure deviation Turn right is negative pressure deviation Ending this procedure is done by pressing the Reset key Proceed by checking the Co value and correct if necessary Installation amp Servicing Instructions ATAG Q Solar C3 Oo 193 Checkingthe CO The CO percentage is factory set This has to be checked at commissioning maintance and faults This can be checked by means of the following procedure Remove the black cover of the gas valve by unscrewing the sealed screw Put the boiler into operation and take care that it can deliver its heat Tip If there is no demand for heat on CH turn the hot water tap completely open and measure the CO adjustment screw CO figure 21 Installation amp Servicing Instructions ATAG Q Solar Press the MODE key for 5 seconds The diplay will show COdE followed by an arbitrary number Select by means of the or the key the code C123 Press the Store key to confirm the code code blinks 1 x Press the MODE key until SERV is shown Press the STEP key once until 1 is shown alternately 1 and OFF will be shown Calibrate the CO meter Place the lance of the CO meter into the check point see fig 20 Press the key until the
22. water has been obtained If afterthis the temperature difference remains too much then the boiler will switch itself off and wait until an acceptable temperature has arisen Ifan unacceptable temperature is detected then the control will repeatedly try to achieve water flow and if this does not work then the boiler will switch off resistance UPER V min Vh kPa mbar 0255 C380 20 60 16 2 972 32 320 Q38SC380 20 70 24 6 1478 16 160 Installation resistance Table 3 Q38SC380 0 0 0 5 External installation pump with low velocity header Figure 3 pump index lines Installation amp Servicing Instructions ATAG Q Solar oO Installation amp Servicing Instructions ATAG Q Solar Ifthe capacity of the boiler pumpis insufficient an extra external pump can be installed in combination with a low velocity header in series with the boiler The electrical side of this external circulation pump can be connected in the Control Tower by which means this pump switches at the same times as the boiler pump The maximum absorbed current consumption of the external circulation pump may be 230 W 1 Amp The extra external pump must be selected according to the installation resistance and required flow installation height above pre charge pressure the expansion vessel of the expansion vessel 5m 0 5 bar 10m 1 0 bar 15m 1 5 bar choice of expansion vessel table 4 As standard the boiler is provided with a water fil
23. with an identification plate Consult the details on this plate to verify whether the unit is compliant with its intended location e g gas type power source and exhaust classification On completion of the installation the installer or commissioning engineer must fill out and complete the Benchmark commission section of the boiler log book and hand to customer or end user for future record keeping The Benchmark log book must also be filled out and completed by the service agent following each service call and returned to the customer A copy ofthe Benchmark commissioning certificate must be returned to ATAG Heating UK Ltd along with the warranty registration card to register the appliance for the standard warranty benefits Relevant Installation Service and User manuals ATAGMonopass Flue system individual ATAGBrainQ Digital room thermostat ATAG MadQ Cascade Zone controller 2 Regulations A gt gt gt The following regulations apply to installation of ATAG central heating units The ATAG Q Solar is only suitable as an individual heating appliance with DHW supply for houses and small utility applications Legislation and Regulations Gas Safety Installation and Use All gas appliances must by law be installed by a competent person eg Members of CORGI and in accordance with the current Gas Safety Regulation Failure to install appliance correctly could lead to prosecution In addition to the above regulations th
24. 51610 remove the plug from the flue gas sensor if present turnthetwoshortclamping rods turn and remove them by pulling them forward Note the right turning direction red indicator lift the flue gas pipe out of the condensate tray pressthe condensate tray carefully downwards and remove it by pulling it forward replace the gasket between condensate tray and heat exchanger with a new one clean the condensate tray with water and a hard brush checkthe condensate tray on leaks Refitting is done in reverse order Ensure that the gasket of the condensate tray seals completely Make sure that during refitting the clamping rods they are put in the right position They should be turned vertical Always replace all removed gaskets of dismanteled parts during the maintenance activities Put the boiler into operation and check the CO see page 37 Cylinder The casing of the cylinder may be cleaned with a damp cloth and a little soap Do not use any abrasive or solvent material which could damage the case or fittings The following maintenance work has to be carried out by the competent installer Inspection of pressure temperature relief valve and expansion relief valve Manually operate each valve by twisting the operating cap and check if water flows unobstructed via the tundish to the discharge point ensure that both valves re seat satisfactorily Check pressure of expansion vessel Turn off mains water
25. 7 T1 T6 too high boiler will functioning normally without solar circuit Block 98 T6 gt T6 maximum Error with a number in the last two positions Error 00 Poor flame forming Error01 X short circuit of 24 volt circuit Error02 noflame forming Error 04 adjustmentor errorfor voltage interruption Error05 error MCBA E 19 Error 19 maximum return temperature exceeded Error28 numberof revolutions not reported back from fan Error 92 loose connection on terminal block PT100 sensors Error94 loose connection on terminal block PT100 sensors Installation amp Servicing Instructions ATAG Q Solar BS N o Installation amp Servicing Instructions ATAG Q Solar CE DECLARATION OF CONFORMITY Hereby declares ATAG Verwarming Nederland BV that the condensing boiler types ATAG Q25SC380N Q38SC380N are in conformity with the provisions of the following EC Directives including all amendments and with national legislation implementing these directives Directive Used standards Gas Appliance Directive 90 396 EEC EN483 1999 Efficiency Directive 92 42 EEC EN677 1998 Low Voltage Directive 73 23 EEC EN50165 1997 EMC Directive 89 336 EEC EN55014 1 2001 EN55014 2 1998 EN50165 1997 IEC61000 3 2 2000 IEC61000 3 3 1994 Report numbers GAD ED LVD EMC D ATAG Q 177021 177021 175073 175073 EMC 1 and that the products are in conformity with EC type examination certificate number E0430 as stated by KIWA Gastec Certification BV Apeld
26. E o gt gt gt Z o O O SoS ol co o o x EOS lt x E e e e o VO c D oO TL T qu A Loic oO 2 mx mx m ct Oo o b ED A NO e ESEG 1 lt 2 00 I IAE Connection terminal Figure 13 Installation amp Servicing Instructions ATAG Q Solar N dI nd Installation amp Servicing Instructions ATAG Q Solar 8 1 Electrical connections between cylinder and boiler The following components should be connected according to figure 14 and 15 Solar absorber sensor T 7 Pass sensor cable through cable feed A to the side of the cylinder Connect wires from the absorber to the connector with the green wires Follow the instructions of the supplier of the absorber Solar cylinder sensor T 6 Pass the red sensor cable through cable feed B and connect the wires to the connector with the red cables CH Solar sensor T 8 Pass the white and grey sensor cable through cable feed C and connect the wires to the CH Solar sensor T 8 on the cylinder CH Solarreturn sensor T 9 Passthe white and blacksensor cable through cable feed C and connect the wires to the CH Solar return sensor T 9 on the CH return pipe Modulating 3 way valve VC 6940 CH Solar Pass the connector with yellow purple and blue cable through the cable feed D and connect it to the actuator of the modulating 3 way valve Solarpump Pass the cable from the solar pump through the cable feed E and connect it to the connector behind the Control Tower DHWs
27. Installation amp Servicing Instructions Q Solar E s L N Installation amp Servicing Instructions ATAG Q Solar Explanations of symbols and signs on the Control Tower display Operation indication in the first display position by GU N Solar pump active l display technical read out O No heat requirement l Ventilation phase 2 Ignition phase 3 Burner active on central heating H Burner active on hot water 5 Fancheck 5 Burner off when room thermostat is demanding T Pump overrun phase for central heating 8 Pump overrun phase for hot water S Burner off because of to high flow water temperature R Automatic venting programme HOT Maximum cylinder temperature achieved gt 80 C Central heating Ee ine Step key Domestic hot water DHW Pump programme Mode key Reset key From Good read out to Technical read out and vice versa Press 5 sec on the STEP key SL FILL HIGH Ae Water pressure is to low lt 0 7 bar FILL Water pressure is to low lt 1 0 bar Water pressure is to high gt 2 8 bar if indication remains continuously visible flashing FILL will alternate with indication HIGH indication remains continuously the boiler is taken out of operation The of water pressure boiler power of 50 is visible the boiler is taken out of operation installation needs to be top
28. a message is necessary this will be shown instead of Good The second way is a technical read out In normal situations the following will be shown onthe left the status in which the boiler is active ontherightthe flow temperature the water pressure in the installation When a message error or blocking code is necessary this will be shown instead ofthe technical read out To switch over from the Good state to the Technical read out and vice versa Press for 5 sec on the STEP key Whenthe system has beenfilled the automatic venting program starts when a programme has been selected by pressing the key for Central Heating DHW or pump programme pup Vi of E The programme takes 17 minutes and stops automatically After this the unit will function normally See also Filling and venting the boiler and installation On acall for heating or hot water the control system will select the required water control temperature This water temperature is called the T setvalue On acallfor central heating the boiler ignites first at low output The output is then changed slowly to match the load required The boiler operates in this way to avoid excessive water noises and temperature overshoot On a call for hot water supply the T set value of central heating return water temperature is monitored Depending on the amountof sanitary water which is withdrawn from the DHW cylinder the central heating return water temperature from which
29. al heating installation is possible During the block the pump continues to operate at minimum capacity Block 18 Wiring T3 and T9 swapped Block 60 Incorrect parameter setting of the minimum or maximum power Block 67 AAT has been detected between flow and return sensor whereas the burner is not in operation After the AT has disappeared the block will disappear Block 80 Maximum flue gas temperature has been exceeded if present The block will not be cancelled until the flue gas temperature has arrived below the temperature Block 81 The flue gas sensor is not connected although itwas connected to the control The burner is blocked until the flue gas sensor is reconnected Block 82 The flue gas sensor has short circuited heat requirement blocked and pump capacity at minimum Block 85 The control has not detected a water flow The venting cycle is started If during this cycle water flow is detected the venting cycle is ended and the burner is released Block 88 and 89 CH Solar sensor T8 open 88 or closed 89 boiler will functioning normally without solar circuit Block 90 and 91 CH Solar return ensor T9 open 90 or closed 91 boiler will functioning normally without solar circuit Block 92 and 93 Cylinder sensor T6 open 92 or closed 93 boiler will functioning normally without solar circuit Block 94 and 95 Absorber sensor T7 open 94 or closed 95 boiler will functioning normally without solar circuit Block 9
30. ccess to carry out repair and replacement of components First position the cylinder section 1 in the desired place and adjust it vertically using the adjustment foot at the bottom of the cylinder Slidethe supplied fittings 3x 28mm onthe pipe connections on which the boiler colli 2 has to be connected Take note of the right position see figure 1 Lift the boiler Section 2 and hang it on the 2 suspension points at the top of the cylinder Ensure that the boiler is correctly attached to these points When removing the plastic sealing caps from the pipes contaminated testing water may be released gt gt Lift the boiler only by the boilers rear wall Lifting and carrying precautions Liftonly a manageable weight or ask for help When lifting the boiler bend the knees and keep the back straight and feet apart Donotlift and twist at the same time Liftand carry the boiler close to the body Wear protective clothing and gloves to protect from any sharp edges Slide the fitting upwards until the touch rim and tighten the nuts Move the gas pipe and expansion vessel pipe upwards and connect them Use only approved fittings on the gas supply Fittings Figure 1 5 1 Dimensions Ceiling DN i Flue system 980 125 min 250 mm SA0Ow z4dw_ _ ESSAY gt 9100 150 min 480mm
31. ch as burner pressure and adjustment of the air quantity are unnecessary due to the fact that the boiler operates with a so called zero pressure control This means the correct gas quantity is controlled by the suction operation of the fan The fine adjustment which is carried out at the factory is once only which means that adjusting of these values is unnecessary When replacing the gas valve venturi and or the fan the zero pressure and the CO will require checking and if necessary adjusting to the correct value Always check the installation of all parts through which gas flows using leak detection fluid Checking for contamination In orderto be able to checkthe boiler for contamination in the following years itis advisable to measure the maximum air displacement in the boiler when putting the boiler into operation This value can be different with each type of boiler In order to be able to measure this value follow the next procedure Press the MODE key for 5 seconds Thediplay will show COGE followed by an arbitrary number Select by means of the or the key the code C123 Pressthe Store key to confirm the code code blinks 1 x Press the MODE key until SERV is shown Pressthe STEP key until 2 is shown alternately 2 and OFF will be shown Undothe top test nipple on the gas valve fig 17 Connectthe hose ofthe digital pressure gauge to the top test nipple of the gas valve Press the key until t
32. deposits should be removed from the cylinder on a regular basis If problems occur when using sanitary water with a chlorine content higher than 150 mg l no recourse can be made to the terms of the warranty The hardness of the water is variable in Great Brittain and Ireland The water company can provide exact information about this 6 5 1 Secondary DHW Circulation In case of long DHW pipe runs one can connect a secondary circulation pipe to the Q Solar This improves the comfort because the waiting times can be reduced to a few seconds The return of this pipe is connected to position Z on the Q Solar The pump of this secondary circulation is not part of the delivery and has to be sourced elsewhere Please make sure that this is a DHW circulation pump It is good practice to put a time clock on the pump so that it only runs during hours of possible hot water usage Installation amp Servicing Instructions ATAG Q Solar os Ji co Installation amp Servicing Instructions ATAG Q Solar ok 6 6 Condensation drain pipe ATAG boilers produce condensate This condensate must be drained otherwise the boiler will not function The collecting condensation drain pipe shouldbe connected to the drain by means of anopen connection This means the possibility of drain gases ending up inthe boiler is prevented The drain connection should have a minimum diameter of 25mm Connect the condensation drain pipe according to the local regulations
33. dicates that extra attention must be paid in connection with a particular operation Useful tip or advice Gas pipe yellow Ky Solar flow pipe yellow CH flow pipe red beg a Solar return pipe orange CH return pipe blue Condensate drain pipe blue Cold water pipe blue Expansion vessel pipe red Hot water pipe red 3 Scope of the supply The boiler is supplied as a 2 part system The supplied kit is composed as follows Part 1 Thermal Absorber QOylinder 3 coils with casing The thermal absorber is not a Drainvalve for boiler a Fillanddrain valve for solar circuit be obtained from a third party Safety valve for solar circuit The thermal absorber should Expansion vessel solar circuit 18 litre fit to the specifications of the Solar pump with non return valve Ceo Flowrestrictor Thermometer thermomanometer Modulating 3 way valve VC6940 Solar CH Thermostatic mixing valve Temperature andpressure relief valve DHWhpressure reducing valve DHWsingle check valve DHWexpansion vessel The supplied ADEGE i pi co relief valve sensor PT100 26mm should be mounted in the correct Installation manual position in the absorber Please contact the supplier Part 2 PE ak Boiler with casing and integrated Automatic de aerator Safetyvalve 93 wayvalve VC2010 CH DHW Fitting 28mm 3x T piece 22 x 1 2 x 22 draining valve Absorbersensor PT100 06m
34. eee reet ipo det eese fon ere ii 35 11 5 A Activating factory settings green key function eme 37 12 Isolating ar Penne ee 38 13 Commissionihg ete tee eme reed cet aac 38 13 1 Checking for contamination i 38 13 2 Checking of the zero pressure control nennen nnne nnne 39 13 3 Checking the GOR sisah Idee e ene adeo dere cede ere al de eO es 40 14 Maintenance nee rd RERO GREEN SAAS RM REDI TTE 41 14 1 The frequency of maintenance ii 41 14 2 Maintenarice activities eene te pen IRR DRAIN ANG Nan ARA e MEER PUR E Re dinei 41 143 Draining the installation ni etate cde rete reete eec en ate P epe re Penne nanus nte Den 43 14 4 Users Ansti ctlOrls reno rre ceres eene nette ees etc cte aaa A IR ADE eem ees Tecan ete es a a aaa E 43 145 VEIT em 43 15 Technical specifications i iraniani 44 16 Parts of the boiler tinet eere tenter an te testate LIL ee Sede ee eek 45 14 Eror Indication Len ERU cep deed RL a a XE MERE HERES hee CERA rale dial 47 18 GE Declaration Of conformity sia iaia cases Odio e Due Le tu un us dE Rn n paia 48 The appliance should only be installed by a Competent Gas Installer Work on the boiler must be carried out by a competent person Ref Gas Safety Installation Use and Regulations using correctly calibrated instruments with current test certification
35. ensorT 3 Pass the sensor cable through the back side of the boiler E and connect it to the DHW sensor on the cylinder Caution When the solar circuit is in operation the solar circuit pipes can reach high temperatures gt 120 C Prevent physical contact and contact with electrical wiring A The solar pipe lines should be insulated with UV and temperature resistant material A Follow the instructions of the supplier of the absorber for correct installation Control Tower j A ita Artal M g a S B 2 9 F NE cable feed through Figure 15 ISS SS IS S R Absorber sensor SS B C D E EE Modulating3 way valve 5 pn vceoao sensor DO T9 CH Solar return sensar T6 Solar cylinder sensor O Solar pump electrical connections Figure 14 9 any JeJoS O OV_LV suononuisu BUIDIAIOS 9 uomejejsu ureJBeip e9989 gt L1 JOSUSS wo 4 jeuondo Aejdsip 1ejiog ainpoy ejos EX ESA 11 10sues Jaquosge 12
36. he gas pipe under the gas valve replace the gasket by a new one loosen the front cross head screw of the black plastic silencer afterthisturnthetwoclamping rods 4turn and remove them by pulling them forward Note the right turning direction red indicator Slightly lift the fan unit and remove it towards the front of the heat exchanger remove the burner cassette out of the fan unit checkthe burner cassette for wear pollution and possible cracks Cleanthe burner cassette with a soft brush and vacuum cleaner If burners are cracked replace the complete burner cassette replace the gaskets between burner and fan unit and the gasket between fan unit and heat exchanger check the venturi and the gas air distribution plate for pollution and clean this part if necessary with a soft brush and vacuum cleaner If the air box contains a lot of dirt itis plausible that the fan itself is dirty as well Toclean this the fan has to be removed from the hood and the venturi Clean the fan with a soft brush and a vacuum cleaner Replace the gasket and ensure that all gaskets of the fan parts are mounted correctly Heat exchanger check the heat exchanger for contamination Clean this if necessary with a soft brush and a vacuum cleaner Prevent dirt falling down into the heat exchanger Flushing the heat exchanger from the top down is not permitted Refitting of the components is done in reverse order Make sure that during refi
37. he maximum value is achieved The fan will function to its maximum revolutions burner stays off Measure the under pressure and write down this value Atthe next service visit this value may drop by 20 of its original value recorded on commissioning If this value has dropped by more than 2096 the boiler requires full maintanance Press the key until OFF is shown keep key pressed With this the procedure is finished 13 2 Checking of the zero pressure control Check point contamination figure 18 Adjustment zero pressure figure 19 The zero pressure control is set at the factory To measure this value you need a difference pressure gauge with a range of 0 2 to 0 8 mbar Follow the next procedure Press the MODE key for 5 seconds The diplay will show COGE followed by an arbitrary number Select by means of the or the key the code C123 Press the Store key to confirm the code code blinks 1 x Press the MODE key until SERV is shown Press the STEP key once until 1 is shown alternately 1 and OFF will be shown Turnthe upper top test nipple on the gas valve open fig 18 Connectthe hose ofthe digital pressure gauge to the top test nipple of the gas valve Pressthe key until the minimum value is achieved The fan will function to its minimum revolutions burner is active Measure the negative pressure Value should be 0 to 4Pa 0
38. he optimal flow temperature for the installation Installation amp Servicing Instructions ATAG Q Solar Oo Installation amp Servicing Instructions ATAG Q Solar Stainless Super solid kind of steel which keeps its quality for life It will not rust or erode in con trast to composition materials like alumi nium The Q Solarfunctions in combination with a thermal absorber The solar circuitis a closed pressurised glycol circuit The cylinder is specifically designed and constructed for this purpose The cylinder should not be used for other purposes Solar functioning in short The solar pumpis activated as soon as the temperature ofthe absorber is approx 10 C higher than the temperature in the cylinder AT gt 10 C pump on The glycol will be transported from the cylinder through the absorber and back The glycolis heated inthe absorber The heat is transferred to the sanitary water through the solar coil in the cylinder Thepumpis deactivated as soon as the temperature of the absorberis approx 2 C higher than the temperature in the cylinder AT lt 22C pump off The pumpis also deactivated if all ofthe sanitary water in the cylinder has reached a temperature of 80 C This means thatthere is no chance of overheating In addition the cylinder is provided with a T amp P valve and the solar circuit is provided with a pressure relief valve The heating circuit is supplied with solar warmth from the CH coil in the m
39. iddle of the cylinder This is especially suitable for low temperature installations like under floor heating systems When the cylinder has sufficient hot water and there is aheat demand forthe heating circuit the modulating 3 way valve willbe activated The heating circuit will be supplied by water across the CH coil of the cylinder If the heat demandis larger than the availability in the cylinder the heating circuit will be heated by the gas fired boiler Explanation of the type indication ATAG Q38SC380N Q Type 38 Nominal load in kW SC SolarCombi 380 content of the cylinder N Not vented glycol solar circuit The boiler has been tested according to valid CE standards and has a CE certificate and SEDBUK A rating Statement No banned materials including asbestos mercury CFC s have notor will not be included in the product oou1oosasom 4 1 Schematic lay out of the Q Solar Stainless steel OSS heat exchanger Control Management System CMS with Solar module 3 Way valve CH DHW Boiler pump DHW coil DHW sensor CH Solar sensor CHooil Modulating 3 way valve CH Solar CH Solar return sensor Solar coil Drain valve and relief valve solar circuit Solar pump 14 15 Absorber sensor Solar Delta T T 18 Thermostatic mixing valve 20 Solar asorber Pressure temperature
40. iler has the following connection pipes which can be connected leftor rightto the boiler by means of turning the knee fitting all connections are positioned to the left from factory The central heating pipes These can be connected to the installation by means of the supplied compression fittings 1xT piece 28mmx1 andthe28mmx480mm pipes The supplied drain valve can be fitted on the T piece in the return pipe CH expansion vessel pipe On this 22mm x480mm pipe and 22mmx3 4 fitting the CH expansion vessel should be mounted Thegaspipe This can be fitted to the boiler with a 1 2 x15mm fitting to the boiler Outside the boiler the gas pipe has to be provided with a manual gas valve within 1M of the boiler Thecondensation drain pipe It consists of an oval 24 mm plastic pipe The drain pipe can be connected to this by means of atundish The drain pipe is provided with a syphon The drain pipe can be connected glued outside the boiler to a 32 mm PVC drain Cold and hot water pipes These consist of 22mm copper pipes and can be connected to the installation by means of compression fittings Absorber pipes These consist of 22mm heat resistant insulated copper pipes The complete absorber circuit has to be connected with heat resistant 22mm copper pipe with the supplied T pieces 22mmx22mmx The supplied thermometer and thermomanometer should be fitted to the T pieces The flue gas exhaust system and air supply system
41. inal covers etc and the type and number of boilers installed into the system An undersized flue pipe can lead to disorders Look attable 8 for the choice ofthe system and the correct diameter The table below shows the maximum flue lengths with the different boiler outputs A longer flue gas length can be achieved by increasing the diameter to 100mm Explanation table 8 Two pipe flue gas system terminal A Concentric flue gas system maximum noted length distance between boiler and roof terminal B maximum noted length distance between boiler and roof When using bends the noted value behind every bend should be deducted from the maximum straight length Pipes with 60 100 diameter are only permitted on wallterminals in combination with ATAG boilers upto 25kW Two pipe flue system chimney lining g100mm Maximum straight lenth 80 31 Maximum straight lenth 100 40 ZZA K E BT bend resistance lengh 15 457 bend resistance tengih 0 8 45 bend resistance engh 09 Maximum straight lnth 80 18 Maximum straight enth 100 39 LILLA 45 bend resistance length 0 8 45 bend resistance length 0 9 260 100mm ri 4 MI Maximum straight lenth 60 100 Concentric flue system mm 2100 150mm 87 bend resistance length 87 bend resistance length 87 bend resistance length 45 bend resistance length 45 bend resistance length 45 bend resistance length
42. ing and above the water level while still allowing for safe dispersal of the condensate Connection of a condensate drainage pipe to a drain may be subject to local building controls Pipework subjected to extreme cold or wind chill conditions should be in a 40mm diameter pipe Protect all external pipework with weather resistant insulation and if necessary box in to reduce the risk of freezing Making it safe Condensate pipework must not leak freeze or block up Condensate traps must be filled before firing the boiler to prevent the possibility of potential harmfull flue products evacuating via the condensate route Do not dispose condensate into a water recovery system where itis recaimed for reuse Condensate can be discharged into a rainwater hopper which is part of a sewer carrying both rain water and foul water Final discharge options The condensate pipe can only terminate into any one of the five areas as shown in the diagrams on this page Condensate from boiler syphon trap Sink with internal overflow 25mm dia Plastic condensate pipe External drain or gully Internal soil and vent stack Servicable condensate trap 75mm min 300mm x 100mm dia sealed plastic tube Ground level Drainage holes facing away from the building Lime stone chippings Tr ACTITQnImnooOu Weather resistant insulation dh Fsm 400mm KK
43. is appliance must be installed in compliance with the current IEE Regulations the Building Standards Scotland Consolidation Regulations Regulations and bye laws of the Local Water Authority and the Current Health and Safety Regulation Ireland lrishstandard 813 Domestic gas installations The current Electricity at Work Regulation must be complied with and also be in accordance with the relevant and current editions of the British Standards The ATAG Q boileris a certified appliance and must not be modified or installed in any way contrary to this Installation Manual Manufacturers instructions must not be taken in any way as overriding statutory obligations The ATAGQisa central heating solar unit with an integrated hot water function These units must be connected according to these instructions and all installation norms in respect of the part of the unit to be connected Observe the following rules of safety All work on the unit must take place in a dry environment ATAG units must never be in operation without their housing except in connection with maintenance or adjustments see Chapter 13 and 14 Never allow electrical or electronic components to come into contact with water Carry out the following tasks during maintenance etc to an already installed unit Shutdown all programmes Close the gas tap Remove the plug from the wall socket Close the stop cock of the unit s intake connection Take n
44. is case a seperate cover 125mm should be ordered Art nr 54323410 We advise building a simple flue gas and air supply system using table 7 For further information about the available components of the flue gas and air supply system we recommend you consult the Monopass Flue systems The ATAG flue gas system is meant and designed soley for use on ATAG central heating boilers adjusted for Nat gas or LPG The maximum flue gas temperatures are below 70 C full load 80 60 C The proper operation can be influenced harmfully by changes of or adjustments to the correct set up Possible warranty claims will not be honoured if incorrect changes result in non compliance with the installation manual or local rules and regulations The flue gas systems described in this document are solely suited for ATAG central heating boilers of the ATAG boiler range For this purpose the CE Certificate has been supplemented under the Gastec nr 0063BQ3021 0063AS3538 and 0063AU31 10 The flue gas system should be built up using only ATAG program products Combinations with other brands or systems without written permission from ATAG Heating is not permitted and will invalidate any warranty Horizontal flue systems should always be installed sloping towards the boiler in order to avoid condensate lying in the flue system The minimum gradient is 50mm Mtr With the condensate running back to the boiler the risk of ice forming at the terminal is reduced The ter
45. m Installation manual Operating manual Warranty card Benchmarklogbook 4 Description of the boiler Room sealed boiler The boiler retreives its combustion air from outside then discharges The ATAG Q Solar boiler is a room sealed condensing and modulating central heating boiler with or without an integrated hot water facilities which uses thermal solar power The boiler is provided with a compact stainless steel heat exchanger with smooth ie jue gasses to the tubes A well thought out principal using durable materials DISSE The boiler burns gas for supplying warmth The heat is transferred in the heat Condensing exchanger to the water in the central heating system By cooling down the flue gasses Retrieves heat from the condensate is formed This results in high efficiency The condensate which has no flue gasses Water effect on the heat exchanger and the function of the boiler is drained through an condensates on the internal siphon heat exchanger The boiler is provided with an intelligent control system CMS Control Management Modulating System The boiler anticipates the heat demand of the central heating system or the hot Higher or lower burning water facility according to the heat demand When an outside sensor is connected the boiler reads it and works weather dependantly This means that the boiler control measures the outside temperature and flow temperature With this data the boiler calculates t
46. maximum value in kW is achieved The boiler will burn on full load value on display in kW Check Table 7 for the correct CO percentage page 41 Let the CO meter do its measuring procedure Adjust if necessary the adjustment screw to correct the CO value see fig 21 Ending the CO measuring procedure Press the key until OFF is shown keep key pressed With this the procedure has ended Replace the black cover on the gas valve and fix it with the screw 14 Maintenance i Maintenance or changes to the unit may only be carried out by an authorised technician 14 1 Thefrequencyofmaintenance We advise that an inspection is carried out every year with an overhaul every three years When doing this the circumstances of the boiler s location must be taken into account Fromthis one can determine whether to deviate from this advice Please contactthe country distributor for further guidance on the frequency and service requirements 14 2 Maintenanceactivities To carry out the maintenance activities please follow the next procedure switch off the power supply remove the screw behind the door on the front of the casing Liftthe casing and remove it towards the front The air box remove the transparant air box clean the box with a cloth with a simple non abrasive cleaning agent The fan unit and burner cassette remove the electrical connection plug from the gas valve and fan motor loosen the nut of t
47. minal should be located where dispersal of combustion products is notimpeded and with due regard for the damage or discolouration that might occur to building products in the vicinity see fig 9 terminal position for fan assisted boiler Miis 4 ec directly below an open window or other opening JA A e g air brick m one M lt gt fe B below gutters soil pipes or drain pipes mm 75 D C below eaves mm 200 J F D below balconies or car port roof mm 200 a i HI E from vertical drain pipes and soil pipes mm 75 E F from internal or external corners mm 300 G above ground or below balcony level mm 300 figure 9 H from a surface facing a terminal mm 600 from a terminal facing a terminal mm 1200 FEE K vertically from a terminal on the same wall mm 1500 L horizontally from a terminal on the same wall mm 300 M horizontally from a vertical terminal to a wall mm 300 Dimensions table 7 Installation amp Servicing Instructions ATAG Q Solar N PP Bd In certain weather conditions condensation may also accumulate on the outside of the air inlet pipe Such conditions must be considered and where necessary insulation of the inlet pipe may be required In cold and or humid weather water vapour may condense on leaving the flue termi nal The effect of such plumeing must be considered The terminal must not be located in a place where it is likely to cause a nuisance For protection of combustibles refer to IS 813 secti
48. oiler installations cascade Read through the Parameter chapter to adjust the boiler to its installation Contact ATAG Heating in case of doubt Please follow the next procudere to alter adjustments Press the Mode key for 5 secondss The display shows COGE followed by an arbitrary number Press by means of the or the key until the code C123 is shown Press the STORE key to confirm the code code blinks1 x Now you have acces to the installer level There are 4 chapters PARA Parameters NFO Information chapter no adjustments possible SERV Service chapter ERRO Error chapter no adjustments possible The content of the chapters is described on the following pages Press briefly the MODE key to select one of the 4 chapters i e PARA Press briefly once or more on the STEP key to select a Parameter parameter visible on the left value on the right Alter the value if necessary possible by means of the or the key Press briefly on the STORE key to confirm the alteration When you have to change more values repeat from step 5 Press once or more on the MODE key until StBY or Good is shown After a few seconds the text StBY will be replaced by the technical read out or Good state Depending from the position the acces code is keyed in When you wantto return from an arbitrary position to the original read out press once or more on the MODE key until StBY is shown After 20 minutes if no single key i
49. on 9 10 1 where the terminal is less than 2m 6 6ft above a pavement or platform to which people have access including any balcony or flat roof the terminal must be protected by a guard of durable material A suitable guard is available from the country distributor Where a terminal is fitted below a window which is hinged at the top and or where the hinge axis is horizontal and the window opens outwards the terminal should be 1m below the bottom of the window opening If the boiler is to be located under stairs a smoke alarm meeting the requirements of I S 409 or equivalent must be fitted The flue must be terminated in a place not likely to cause a nuisance For horizontal sections the outlet system should always be fitted on an incline 50 mm m sloping down towards the appliance so that no condensation water is able to accumulate in the outlet system The chances of icicles forming on the roof outlet is minimised by causing the condensation water to run back towards the appliance In the case of horizontal outlets the inlet system should be fitted on an incline sloping down towards the outside to prevent rainwater from coming in The appliance produces a white wisp of condensation plumeing This wisp of condensation is harmless but can be unattractive particularly in the case of outlets in outside walls At this time there are 2 different ways of connecting the flue gas air intake system The flue gas duct for the 60 100 80
50. ons suna aaa ian iii aaa 23 7 riget Em 24 7 1 Expansion vessel solar circuit ii 24 7 2 Filling and de aerating the solar cicuit aane aana aana n nana anae n aana enne 24 7 3 SOMAM PUMP asang PEE 24 8 Electrical connection sas arri 25 8 1 Electrical connections between cylinder and boiler ii 26 8 2 QOutsidesensor optional Tiscali pela 28 8 3 Solar absorber SensQr samsaya ka Coste cnet etu aa a Rua ka alia NX IE DERE EL eni 28 8 4 Calibrating ithie i Serisors irae ei eR epe On ee ee pela Bo t dd 28 9 Boller controls 1 ie eint pt ee e ia oie adhe nol a eer eic ne oe relata 29 9 1 Explanation of the function keys ii 30 9 2 Solar module ei EE en cH Dd s cedri id a ein 31 9 3 Functioning of the Solar module ii 31 10 Filling and venting the installation ii 32 10 1 Filling the cylinder secundary DHW circuit mme 32 10 2 Central heating system primary circuit i 33 Ht Commissioning the boiler s iiem RANE ARI LIRA AAA ANI ete ER E DN UR get M i RR Ae 34 11 1 Central Heating SySIem ir rte Pea EHE RR OR EHER MEI TU Eae e PER TM ARR ERR enis 34 14 2 HOt watersupply E nir a nt eerte beer piste eder aan an oua Deci Geach ueteres iret ugue 34 11 9 290l8r CIECUI ion ee ote la ROIG See dci ini ali on alte urere dt 34 11 4 Adjustmonts tarnen
51. oorn The Netherlands Date 1 January 2006 Signature Full name P Kalverboer CEO ATAG Verwarming Adres Galileistraat 27 7131 PE Lichtenvoorde Postadres Postbus 105 7130 AC Lichtenvoorde Telefoon 31 0 544 391777 Fax 31 0 544 391703 E mail info atagverwarming com Internet http www atagverwarming nl 1e OS D OV LY suononasu Buas 9 uome eisu D kiwa pitt Chenchmark Econ dd UK WATER SUPPLY REGULATIONS Ditributor for UK ATAG Heating UK Ltd Unit 3 Beaver Trade Park Quarry Lane Chichester West Sussex PO19 8NY Phone 01243 815 770 Fax 01243 839 596 lt E mail info atagheating co uk Internet www atagheating co uk Ditributor for Ireland Total Energy Management Ltd Unit 9 lt Ballybritt Industrial Estate Monivea Road Galway Ireland Phone 091 769174 Fax 091 769485 E mail info tem ie Internet www tem ie This renewed publication cancels all previous installation instructions The company reserves the right to change the specifications and dimensions without prior notice m go o m
52. ote of the following when maintenance or adjustments are needed The unit must be able to function during these activities for this reason the unit s supply voltage gas pressure and water pressure must be maintained Ensure that these is not a source of potential danger during these activities Following maintenance or other activities always check the installation of all parts through which gas flows using leak detection fluid Following maintenance or other activities always replace the housing and secure it with the screw behind the door at the front of the casing Any electrical immersion heater installed MUST contain a thermal cutout device that will require to be manually re set should it operate Installation amp Servicing Instructions ATAG Q Solar O1 Installation amp Servicing Instructions ATAG Q Solar EHE EE SAAES S gt The following safety symbols may be encountered in these installation instructions and on the unit This symbol indicates that the unit must be stored away from frost This symbol indicates that the packaging and or contents can be damaged as a result of insufficient care taken during transport This symbol indicates that whilst still in its packaging the unit must be protected from weather conditions during transport and storage KEY symbol This symbol indicates that assembly or dismantling must be carried out ATTENTION symbol This symbol in
53. ped up possible The installation needs to be topped up The installation pressure needs to be decreased by draining water 1 Introduction iet ee e ee e e petes e ER perio e eed tete tene Deut 4 2 Biz proe 5 3 Scope of the supply 5 12 eei eben E see eee Ud d ette tate 7 4 Description of the boiler sasaka ier tenen He gag ERE AG na De Lo dees SR EX RE panna a 7 4 1 Schematic lay out of the Q Solar nne nn nennen tnnt rns enne stre nn 9 5 Mounting the boiler Ec at Ae ee MINI GRIN pi 10 5 1 Dimensi ns fesse LEE 11 6 Connecting the boiler oci sleeve neret eerte e AI eave nea 12 6 1 Central Heating Syste erar Renee pea SN A ANGEN GN eor ebd eevee esee Etc Ee pea 13 6 2 Expansion Vessel akasara aga aa Ek aana EA ngg a ngaadang aka ian Dak aana Ka NE ADANG E NE da PU HERR 14 6 3 Underfloor heating system plastic pipes mmm 15 6 4 Gas CONNEGHON x52 eot onec tie terti cR i tedesco Gla ca esee tte tet N tees cod sor Lee cae 15 6 5 Rot water Supply cs Gt tn tete Adani Pp nen pes Qa da tle tret qe ahaa 16 6 5 1 Secondary DAWGCir6ulati0nz ame s ratan sana nana Aah sa a naa a E ma aba aaa gan Danan aa aa Bana ka ga saa 17 6 6 Condensation drain pipe 6 6 1 Condensate dischatge eee ee e revels coe det coe hr ENG ea aa ap tne EE ER 6 7 Flue gas exhaust system and air supply system ie 20 6 7 1 Flue system dimensi
54. pump to restart once the temperature of the cylinder has dropped to 75 C When there is a heat demand on CH and the cylinder contains sufficient heat solar the modulating 3 way valve will pass to the CH circuit via the Solar CH coil in the cylinder Sensor T8 and T9 will measure the temperature difference and together with the standard data from the CMS it decides if heat may be retreived from the cylinder or that the boiler has to fire DHW demand is always priority and if the cylinder contains insufficient heat due to insufficient solar influence the boiler will operate Installation amp Servicing Instructions ATAG Q Solar C2 2 Installation amp Servicing Instructions ATAG Q Solar 10 Filling and venting the installation Fill the following parts of the installation cylinder secondary DHW circuit solar circuit see page 21 central heating system primary circuit 10 1 Filling the cylinder secondary DHW circuit Do not manually open the temperature and pressure relief valve or expansion relief valve for venting purposes any foreign matter in the pipework may cause damage to the valve seats To fill the hot water cylinder Open the isolation valve in the cold feed supply to the cylinder Open all hot water outlet taps Closethe hotwater taps as water runs freely out of each This will remove any air within the cylinder and outlet pipework Swich on the boilers DHW programme button To flush
55. re sensor See also page 41 Installation amp Servicing Instructions ATAG Q Solar A Ol MO figure 23 MEA 6 ATAG Q Solar Q38SC380N JejoS D DY LY suononysu Buas 9 uorejeisu 2 17 Error indication If an error is detected it is indicated on the display by means of blocking or error messages A distinction should be made between these two messages due to the fact that blocking can be of atemporary nature however error messages are fixed lockings The control will try its utmost to prevent locking and will temporarily switch off the unit by blocking it Hereunder is a list of some messages Blocks with a number in the last 2 positions D r oO r D r Mu DD DO DO Ln DO Dr oO oO r r ii aa r r r d UM Co co Co Co Co n on Wa aa un Tu CI ES CI Co Dd und d Dind nd Lund Eu an C2 o Law hae THO SM oro r ral pro Wa Vu Ea Wu x MEUSE Block 01 External safety contact cut off Block 11 Maximum AT of flow and return sensor in central heating has repeatedly been exceeded During the block normal operation ofthe hot water supply is possible The pump continuesto operate at minimum capacity during the block Block 12 Maximum AT of flow and return sensor in domestic hot water has repeatedly been exceeded During the block normal operation of the centr
56. rom T amp P valve to tundish T amp P valve L 500mm max Tundish T amp P valve Figure 5 mak Discharge below fiked grating metal discharge pipe D2 from tundish with continuous fall Fixed grating installation of the T amp P valve tundish Figure 7 tundish Figure 6 Valve Minimum size Minimum size of Maximum resistance Resistance created outlet of discharge discharge pipe allowed expressed as a by each bend or size pipe D1 from tundish D2 length of straight pipe elbow 28mm up to 9m 1 0m G 3 4 22mm 35mm up to 18m 14m 42mm up to 27m 1 7m dimensions discharge pipes T amp P valve table 6 Above mentioned items may be used for their specific purposes only and have to be visible to occupants and kept away from electrical devices Ifa DHW secondary circulation line has to be installed take account of the extra volume regarding the size of the expansion vessel Cylinder relief valve connections should not be used for any other purpose and no valve should be fitted between the expansion valve and the storage cylinder Thermosat and thermal cut out are integrated in the boiler and may not be changed Therefore it is not allowed to fit an immersion heater gt gt cy Installation amp Servicing Instructions ATAG Q Solar A Take account of the hardness of the water Take precautions to prevent scaling in the cylinder In regions with a water hardness value higher than 267ppm 2 67 mmol l calcium
57. s used the display will return automatically to its original read out Good state or technical read out Installation amp Servicing Instructions ATAG Q Solar o dI Installation amp Servicing Instructions ATAG Q Solar W o Parameter Mode PARA 1 2 5 6 7 10 ir 14 15 23 31 36 43 45 48 49 89 Factory 70 C 02 max 00 2 3 1 4 10 0 C 0 C 3 C 63 C max 0 25 50 100 00 Description maximum flow temperature CH type of CH installation radiators air heating convectors T max flow 85 C K factor heating line 2 3 gradient 5 C min gear radiators with large surface areas or underfloor heating as additional heating under floor heating with radiators as additional heating T max flow 60 C K factor heating line 1 5 gradient 4 C min gear full under floor heating T max flow 50 C K factor heating line 1 0 gradient 3 C min gear maximum power CH in kW control principal with on off thermostat 100 96 on off thermostat 100 96 on off weather dependant heating line K factor see also heating line graph heating line exponent see also heating line graph heating line climate zone see also heating line graph fine adjustment heating line day temperature fine adjustment heating line night temperature gradient speed booster after night reduction no yes Frost Temperature Cylinder temperature with external cylinder sensor Type of three way valve cylinder VC
58. sel when the thermostatic radiator valves are fully closed In connection with correct functioning of the boiler it is necessary for the expansion vessel to be connected to the expansion vessel pipe of the boiler 6 3 6 4 Underfloor heating system plastic pipes N When connecting or using an underfloor heating system designed with plastic pipes or plastic pipes are used elsewhere in the installation one should ensure that the plastic pipes used comply with the DIN 4726 4729 standard It is set out in this standard that the pipes may not have oxygen permeability higher than 0 1 g m d at 40 C If the system does not comply with this DIN standard the underfloor heating component will have to be separated from the central heating appliance by means of a plate and frame heat exhanger Takecarethatasystem with platic pipes is well de aerated and remains well de aerated No recourse can be made to the terms of the warranty in the event of failure to observe the regulations pertaining to plastic underfloor heating pipes Gas connection Determine the correct diameter of the gas line and connect it to the boiler along with a gas isolation valve within 1M ofthe boiler United Kingdom Thegas supply must comply to the current Gas Safety Installations amp Use Regulations Ireland Irish standard 813 Domestic gas installations The connection to the appliance must include a suitable method of disconnection anda gas control
59. situated inside the Control Tower 7 3 Solar pump The solar pump is factory set at a pump head of 4 mtr When necessary the pump can be setto a pump head of 6 mtr In this case the electrical bridge inthe connection terminal on top of the solar pump should be changed according to figure 12 Pump head 4 Meter Bridge between 2 6 Pump head 6 Meter Bridge between 2 7 ge NL C geeen 87654321 connection terminal solar pump Figure 12 8 Electrical connection The appliance complies withthe CE Machinery Directive 89 392 EEC The EC Low Voltage Directive 72 23 EEC and the EC EMC Directive 89 336 EEC A 230V 50Hz mains electrical supply is required fused externally at 5A The installation must continue to comply with United Kingdom IEE regulations and Part P the national rules for electrical installations Ireland the ECTI national rules for electrical installations The appliance must be connected to an earthed socket This must be visible and within reach Thefollowing general stipulations also apply No changes may be made to the wiring of the appliance Allconnections should be designed in accordance with the enclosed regulations Should it be necessary to change it the mains power supply cable may only be replaced with an ATAG mains power supply cable item No 54320100 The ATAG room thermostat and controls must be connected to their allocated
60. splay wait for 17 minutes Do not press the Reset button as this restrarts this process 14 Check the water pressure and if necessary top it up to 1 5 to 1 7 bar 15 Close the filling loop 16 Press the STEP button 17 Be sure that the filling loop is closed 18 After the automatic de aeration programm A xx is finished the boiler will return to the Good state or Technical read out Check the water pressure regularly and top up the installation when necessary The working pressure of the installation should be between 1 5 and 1 7 bar when the installation is cold It can take a while before all air has disappeared from a filled installation AN Especially in the first week noises may be heard which indicate the presence of air The automatic air vent in the boiler will make this air disappear which means the water pressure can reduce during this period and therefore top ping up with water will have to be done Installation amp Servicing Instructions ATAG Q Solar C3 oo 9 Installation amp Servicing Instructions ATAG Q Solar 11 Commissioning the boiler Before the boiler is fired ensure thatthe boiler and the system are well vented and free of air Purge the gas line between the gas meter and the boiler and carry out a gas soundness test as specified in the current Gas Safety Installation amp Use Regulations The boiler does not require adjustment of the burner pressure and air quantity because itis self adju
61. sting and is factory set at the correct value 11 1 Central Heating system Provided there is a heat requirement from the thermostat or control the central heating programme will be put into operation by means of the key central heating programme The circulation pump will start circulating and the boiler will start the burner 11 2 Hotwater supply Provided there is a heatrequirement from the cylinder the hot water programme will be put into operation by means of the DS key hot water programme 11 3 Solarcircuit Switch on the solar circuit by means of the solar switch on the Control Tower When the temperature differnce between absorber and cylinder gt 10 C the solar pump will switch on and will function according to the control of the Solar module described on page 28 When the boiler has to be functioning without the connected solar circuit the switch solar on the Control Tower should be switched off 0 and the flat cable should be removed from the Solar module The Solar module PCB is situated on the back inside the Control Tower 11 4 Adjustments When the boiler is installed it is in principal ready for use All adjustments of the boiler control are already pre programmed for a heating system with radiators convectors with aflowtemperature of 85 C The adjustments are described inthe Parameter chapter on page 33 In certain cases adjustment have to be altered in case of Lowerflowtemperature Multiple b
62. ter in the return pipe of the boiler With this possible contamination of the central heating water is prevented from ending up in the boiler The boiler is also provided with an internal safety valve set at 3 bar This is connected to the waste discharge together with the condensation discharge If all or a large part of the radiators are provided with thermostatic radiator valves it is advisable to use a pressure difference control bypass in order to prevent flow problems in the installation A The boiler is designed to be used on sealed systems only Additives in the installation water are only permitted in consultation with the A country distributor ATAG Heating UK Ltd recommend the use of either Fernox or Sentinel products 6 2 Expansion vessel The central heating system must be provided with an expansion vessel The expansion vessel which is used should be geared to the water content of the installation The pre charge pressure depends on the installation height above the mounted expansion vessel See table 5 installation height above pre charge pressure the expansion vessel of the expansion vessel 5m 0 5 bar 10m 1 0 bar 15m 1 5 bar choice of expansion vessel table 5 All Q Solar boilers are provided with an expansion vessel connection This pipe is connected between the three way valve and boiler pump This prevents the expansion water produced during heating or hot water operation from being closed off from the expansion ves
63. the input is adjusted will vary Installation amp Servicing Instructions ATAG Q Solar N Ce E Installation amp Servicing Instructions ATAG Q Solar 9 1 Explanation of the function keys When the pump is switched on continuously it can lead to undesired heating up of the central heating system during the summer Central Heating programme key Switching the Central Heating on or off Led on off Hot Water programme key Switching the Domestic Hot Water DHW facility on or off Led on off Pumpprogramme key adjusts the pump to continuous water circulation in the central heating system Led on or according to the pump overrun times on the relevant programs Led off e Mode key After briefly pressing a selection of the data chapters can be retrieved After pressing for 5 seconds it is possible to enter the code as described in chapter 11 3 lt Step key After briefly pressing the water pressure can be retrieved and pages per chapter can be retrieved After pressing for 5 seconds it switches from the Good statetotechnicalread out and vice versa e Reset key After briefly pressing for unlocking errors ending the access code After pressing for 5 seconds an operating stop is made for example for activating the automatic venting programme Some keys have other functions These functions are only active when according to the procedure described in chapter 11 4 adjustment has to be changed or data
64. trol in the Solar Module The functioning of the Delta T control is described in chapter 9 2 and 9 3 Connect the absorber sensor according to chapter 8 1 The sensor cable can be lengthened to a maximim of 10 meters of 2 core cable of 0 75mm If the sensor cable is lengthened with more than 10 meters of cable the sensor must be calibrated to get equal resistance values see chapter 8 4 Calibrating the sensors A Calibrating the sensors is only necessary when a sensor cable is lengthened to more than 10 meters of 0 75mm cable On the Delta T controla Solar module are 2 PT100 sensors cylinder T6 and absorber T7 connected Whenasensorcableis lengthened to morethan 10 meters a parameter adjustment has to be made Please contact ATAG Heating for guideance 9 Boiler controls The boileris provided with a fully automatic microprocessor control called CMS Control Management System This control simplifies operation by undertaking all major control functions Initially when power to the unitis switched on it will remain on standby There is no indication Led on untill one of the programme keys is pressed The control panel display will show the relevant state When the installation is empty of water the display will show FILL The various parameters can be called up in two ways The Good state or standard read out Technical read out The first way shows a simple display read out The boiler in operation will always show Good When
65. tting of the clamping rods they are put into the correct position They should be turned vertically Ignition electrode The replacement of the electrode is only necessary when the electrode is worn off This canbe checked by measuring the ionisation current The minimum ionisation current has Installation amp Servicing Instructions ATAG Q Solar E MT Installation amp Servicing Instructions ATAG Q Solar to be higher the 4uA on full load If the viewing glass is damaged the complete electrode must be replaced Replacement goes as follows remove the electrical connections of the electrode press the clips on both sides of the electrode to both sides and remove the complete electrode remove and replace the gasket Refitting of the components is done in reverse order Siphon and condensate tray firstremove the condensate cup Check this for pollution If there is no sign of strong pollution itis not necessary to clean the condensate tray If there is strong pollution in the cup it is necessary to remove and clean the condensate tray remove the inner siphon pipe which remains in the condensate tray check the O rings ofthe cup as well as those from the pipe and replace if necessary clean both part by flushing it with clean water grease the O rings again with acid free O ring grease to make fitting easier ifthereisaleakatthe siphon cup or tray the complete siphon unit has to be replaced by 844
66. ulation range CH capacity 80 60 C kW 4 4 21 9 6 0 33 3 Modulation range CH capacity 50 30 C kW 4 9 23 9 6 8 36 3 Nox class EN483 5 CO 9 Flue gas temp CH d 80 60 C on full load s di s Flue gas temp CH C 31 50 30 C on low load Gas consumption G20 CH DHW 3 at 1013 mbar 15 C aa n 5 Electr power consumption max W 106 165 Electr power consumption on part load acc EN677 incl boiler pump w dn ds Electr power consumption stand by W 10 Current VIHZ 230 50 Fuse rating A 5 5 Degree of protection acc EN 60529 IPXOD Weight boiler empty filled kg 50 53 5 53 58 Weight cylinder empty filled kg 75 478 75 478 Weight total empty filled kg 125 531 5 128 536 Width mm 660 660 Height mm 1860 1860 Depth mm 1040 1040 Water content CH I 4 5 5 Water content DHW 380 380 Water content DHW effective 150 150 Water content Solar part 230 230 Input Solar part 80 30 C kW 10 10 After run time pump CH min 5 After run time pump DHW min 1 Pus Water pressure min max bar 1 3 P Operating water pressure nominal bar 1 3 5 DHW flow at 38 C l min 28 6 37 5 DHW flow at 60 C 16 21 DHW temperature T 210 C RG 60 60 Heat up time 15 to 60 C gas fired min 19 Reheat time 70 draw off min 18 DHW Expansion vessel charge pressure bar 3 DHW Expansion valve setting bar 6 Pressure reducing valve bar 3 5 Set opening temperature and pressure Kaper 95 7 0 of relief valves Pump type boiler UPER

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