Baxi POWER HT-A 1.430 Installation Manual Download

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Summary of Contents for POWER HT-A 1.430

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Page 2: ...s 26 4 8 Install siphon and condensate piping 27 4 9 Exhaust connections and air supply ducts 28 4 10 Corrosion protection 33 4 11 Heating water requirements 33 4 12 Treating and preparing the heating water 34 4 13 Diagram water hardness 37 4 14 Practical information for heating contractors 38 4 15 Description of the function of the air pressure monitor 39 4 16 Application examples 40 4 17 Legend ...

Page 3: ...g 65 8 1 Programming procedure 65 8 2 Modification of parameters 66 8 3 Setting table 68 8 4 Parameter list explained 93 9 Maintenance 143 9 1 Inspection and need dependent service 143 9 2 Boiler view 144 9 3 Clean fan 146 9 4 Check and replace ignition and ionisation electrode 148 9 5 Clean burner pipe 149 9 6 Clean heat exchanger and siphon 150 9 7 Control and regulating centre LMS 153 9 8 Fault...

Page 4: ...sories Application examples Call for tender texts Planner Heating spe cialist Installation Handbook Usage according to purpose Technical data circuit diagram Regulations standards CE Notes for installation location Application example Standard application Commissioning operation and programming Maintenance Heating specialist Operating Instructions Commissioning Operation User settings programming ...

Page 5: ...ricity exists for body and life Caution If warning is not observed danger exists for environment and the device Note tip Here you can find background information and useful tips Reference to additional information in other documents 1 4 For whom is this manual intended This installation manual is intended for the heating specialist About this manual 5 ...

Page 6: ...the installation must only be carried out by a trained electrician Danger Danger to life if heating unit used improperly This device is not intended to be used by persons including children with limi ted physical sensory or mental abilitites or lack of experience and or lack of knowledge only if they are supervised by a person responsible for their safety or receive instructions on how to use the ...

Page 7: ...xemption Regulation ATV Code of practrice M251 of the waste water technology association Regulations of the Public Authorities for the run off of condensate 2 4 CE Marking The CE marking means that the gas fired fuel value devices meet the require ments of the gas devices guideline 2009 142 EG the low voltage guideline 2006 95 EG as well as the guideline 2004 108 EG electro magnetic compatibili ty...

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Page 9: ...3 Technical Data 3 1 Dimensions and connections Fig 1 Dimensions and connections Technical Data 9 ...

Page 10: ... H R H d a e r h t l a n r e t x e 2 R n o i t c e n n o c s a G s a G A 0 5 2 N D l a n o i t p o n o i t c e n n o c s a g t s u a h x e r a e R B 0 6 1 W N d r a d n a t s t c u d y l p p u s r i a r a e R C Condensate connection optional right left DN 32 D Safety group connection R external thread E Safety valve connection R2 external thread F Top exhaust gas connection standard DN 250 G Side ...

Page 11: ...ent natural gas Partial load range 0 9 7 8 e g n a r d a o l l l u F 3 9 0 9 5 3 h W k g m n o i s s i m e x O N Max delivery pressure at exhaust gas outlet 0 5 1 r a b m Exhaust gas connection DN 250 Electrical connection values 0 1 X P I g n i t a r P I Electrical connection 230 V 50Hz max 8 0 A n o i t p m u s n o c r e w o p r t c e l e x a M Heating operation full load without pump W 463 583 ...

Page 12: ... Diagram of water side resistance POWER HT A 1 430 to 1 650 0 5 10 15 20 25 30 35 40 45 50 55 0 50 100 150 200 250 300 350 400 450 500 550 600 Hydraulic resistance mbar Water mass flow m3 h 1 650 1 570 1 430 1 500 Technical Data 2 1 ...

Page 13: ...3 4 Wiring diagram Fig 3 Wiring diagram Technical Data 3 1 ...

Page 14: ...0 1 5 2 30 823 Tab 3 Resistance values for flow sensor KVS drinking water sensor TWF return sensor KRV sensor B4 e c n a t s i s e R C e r u t a r e p m e T 5 5 5 2 3 0 9 3 3 5 2 5 3 7 8 9 1 0 1 9 9 6 5 1 5 1 8 8 4 2 1 0 2 0 0 0 0 1 5 2 9 5 0 8 0 3 5 3 5 6 5 3 0 3 3 5 0 4 2 7 3 4 5 4 5 0 6 3 0 5 9 8 9 2 5 5 0 9 4 2 0 6 4 8 0 2 5 6 3 5 7 1 0 7 1 8 4 1 5 7 6 5 2 1 0 8 0 7 0 1 5 8 90 915 95 786 7 7 6...

Page 15: ...s only allowed with room air independent operating modes If the POWER HT A is operated in rooms in which solvents chorine containing cleaning agents paint glues or similar substances are worked with or in which such sub stances are stored only room air independent operation is permissible This ap plies especially for rooms in which ammonia and its compounds are heavily used as well as nitrites and...

Page 16: ...s s s o r C l e d o M cm2 POWER HT A 1 430 850 POWER HT A 1 500 990 POWER HT A 1 570 1130 POWER HT A 1 650 1270 Room air independent operation For room air independent operation an upper and a lower combustion air opeingin with a cross section of at least 150 cm 2 is necessary Risk of poisoning due to escaping exhaust gas The combustion air openings must not be covered by any objects placed in fro...

Page 17: ...Space requirement Fig 4 Recommended space requirement 00 300 00 150 00 300 00 150 00 00 600 00 00 762 762 00 762 762 762 Dimension A mm 1882 2192 2192 2192 Prior to installation 7 1 1 430 1 500 1 570 1 650 ...

Page 18: ...n be fore using Persons taking part in transportation must wear protective gloves and safety shoes Caution Risk of damage to boiler by impacts during transporting The boiler must be protected during transport against impacts Fig 5 Transport using a crane Place the carrying belts or cables according to Fig 5 around the wood paneling of the boiler Lift boiler and set at the installation location Pri...

Page 19: ...y shoes Caution Risk of damage to boiler by impacts during transporting The boiler must be protected during transport against impacts In addition avoid forces on the gas pipes or the fan by pulling or pushing Fig 6 Transport with a lift truck 1 2 Push the fork lift forks through the side transport openings of the boiler 1 Slowly lift the boiler 2 Move the boiler to the installation location Prior ...

Page 20: ...amage to boiler by impacts during transporting The boiler must be protected during transport against impacts In addition avoid forces on the gas pipes or the fan by pulling or pushing Fig 7 Transport with two lift trucks 1 1 2 2 Push the fok lift forks through each of the rear and front transport openings of the boiler 1 Slowly and evenly lift the boiler with both fork lifts Move the boiler to the...

Page 21: ... Note The use of rollers for transporting is only possible on completely even floors Pieces of steel pipe with a width of approx 1000 mm and a diameter of approx 30 mm can be used as rollers Fig 8 Transport on rollers Place the pieces of pipe on the floor spaced at approx 300 mm Lift the boiler using a crane or fork lift on the pipe pieces Move the boiler on the rollers to the installation room Pr...

Page 22: ... then be manouvered around tight curves Fig 9 Folding up the control box 2 1 1 Remove front cladding and front side cladding 2 Fold up control box 1 and secure with a lock 2 3 Remove all connection plugs on the top of the fan Fig 10 Loosen the screwed connections 3 4 4 Loosen the screws on the connection piece to the Venturi tube on the bottom of the fan 3 5 Remove connection screws to the mixing ...

Page 23: ...fan with air flap 5 Fig 12 Removing the front frame 7 6 7 Loosen the screws 6 and remove the front frame 7 Note The support holer for the condensate pipe A must be installed when rein stalling the front frame Prior to installation 3 2 ...

Page 24: ...on head screws on the lower Venturi tube flange 9 Fig 14 Remove the Venturi with the gas valve 10 10 Remove the Venturi tube with integrated gas valve 10 11 Reinstall the Venturi tube with integrated gas valve fan and front frame in the reverse sequence after bringing the heating boiler in Prior to installation 4 2 ...

Page 25: ...r must be aligned horizontally using the adjustable feet Fig 15 and a level at the selected installation location so that no air collections form in the boil er and the condensate can drain unimpeded Please note Risk of damage to boiler due to unsuitable foundation The founda tion must have sufficient load carrying capacity for the boiler weight Fig 15 Adjustable feet Prior to installation 5 2 ...

Page 26: ...gs are in the accessory box which is fastened to the wood cladding of the gas condensing boiler Fig 16 Installing the cover panels 1 1 2 1 Attach the side cover panel according to Fig 16 1 2 Install the rear cover panel according to Fig 16 with screws on the side cover panels 2 Prior to installation 6 2 ...

Page 27: ...6 5 1 Push the condensate piping according to Fig 17 to the stop through the front fastening hole and the support holes inside the boiler 1 2 Fasten the condensate piping with pipe fasteners 2 3 Stick the long straight piece of pipe to the stop in the front end of the conden sate piping 3 4 Screw in the siphon adapter into the threads of the condensate trough 4 Prior to installation 7 2 ...

Page 28: ...e POWER HT A sufficiently dimensioned supply and ex haust openings are required It has to be checked that these exist and are fully functional Caution It has to be pointed out to the customer that these inlet and outlet air openings must always be functional i e they must not be restricted or blocked and that the inlet area for combustion air at the boiler bottom must be kept free Converting the e...

Page 29: ...over panel 3 Fig 20 Loosen the upper fastening screws 4 4 Loosen the upper fastening screws 4 Note Both outer screws A have a lip and are used for fixing the upper cladding When reinstalling the rear wall they must absolutely be screwed back on the out side Prior to installation 9 2 ...

Page 30: ...Fig 21 Loosen the lower fastening screws 5 5 Loosen the lower fastening screws 5 Fig 22 Removing the rear wall 5 6 6 Lift the rear wall up slightly and remove 6 Prior to installation 0 3 ...

Page 31: ...al while doing this Danger Risk of life due to escaping exhaust gas Before commissioning the gas condensing boiler the exhaust pipes must be checked for leaks 8 Screw on the cover plate on the upper cladding 8 9 Loosen screws and remove the cover plate from the rear wall 9 10 Replace the rear wall upper cladding and lower cover panel Prior to installation 1 3 ...

Page 32: ...e r e h t d r a w o t t e l t u O Outlet toward the side 2 1 3 4 1 Remove upper cladding according to Fig 18 2 Loosen screws and remove rear cover plate 1 1 3 Mount straight intake pipe 2 4 Replace upper cladding 1 Remove upper cladding according to Fig 18 2 Loosen screws and remove side cover plate 1 3 Install suction pipe elbow 2 4 Replace upper cladding Prior to installation 2 3 ...

Page 33: ... systems that guarantee trouble free service over a long period Generally speaking the quality of drinking water is adequate but it must be ascer tained whether the drinking water filled into the system is actually suitable when its hardness is taken into consideration see water hardness diagram Where that is not the case different steps can be taken 1 Using an additive in the fill water to preven...

Page 34: ...the agents are compatible with each other and the pH value is not altered Pref erably agents from the same manufacturer should be used For buffer cylinders in conjunction with solar thermal systems or solid fuel boil ers take the buffer capacity into consideration when determining the fill water volume 4 12 Treating and preparing the heating water Determining the system volume The total water volu...

Page 35: ...ure water and the higher viscosity boiling noises may occur in some systems For most heating systems frost protection down to 28 C is not required 15 C is usually sufficient To set this operating point the heat transfer medium should be diluted with water in a ratio of 2 1 This mixing ratio has been test by BAXI in relation to its practical suitability for use with gas condensing boilers Note The ...

Page 36: ...5 The water for the mixture must be neutral potable water quality with no more than 100 mg kg chlorine or demineralised Please also follow the manufacturer instructions Maintenance instruction The water hardness of the heating water has to be checked within the scope of the recommended maintenance of the boiler and possibly the respective amount of additive has to be added Prior to installation 6 ...

Page 37: ...700 ma l dH l l o m m 4 5 2 3 1 2 4 1 7 0 1 650 1 570 1 500 1 430 Water hardness Water volume Description The boiler type the water hardness and the water volume must be known If the volume is above the curve a partial softening of the tap water or addition of hardness stabilsiser are required Example POWER HT A 1 430 Water hardness 24 dH 1300 l Water volume no addition required The usual refill v...

Page 38: ...the addition of inhibi tors partial softening or full desalination is the best method 3 Record the filling process if possible use the BAXI system log If an additive is used note this on the boiler To prevent gas pockets and bubbles it is essen tial to fully vent the system at maximum operating temperature 4 After 8 to 12 weeks check and record the pH value Offer and conclude a main tenance contra...

Page 39: ...s shut off and the error message 132 is displayed Causes plugged siphon plugged exhaust gas pipe plugged air filter plugged suction pipe After the burner shuts off this differential pressure is no longer present and the error message 132 disappears The burner restarts During the pre venting the pressure switch 2 is queried If the differential pressure set on the trim air pressure monitor 2 is not ...

Page 40: ...4 16 Application examples Application example 1 POWER HT A with one pump heating circuit and Hot water preparation Hydraulic diagram Prior to installation 0 4 ...

Page 41: ...Connection diagram Prior to installation 1 4 ...

Page 42: ...Application example 2 POWER HT A with one mixing heating circuit and Hot water preparation Hydraulic diagram Prior to installation 2 4 ...

Page 43: ...Connection diagram Prior to installation 3 4 ...

Page 44: ...Application example 3 POWER HT A with three mixing heating circuits and Hot water preparation Hydraulic diagram Prior to installation 4 4 ...

Page 45: ...Connection diagram Prior to installation 5 4 ...

Page 46: ...Application example 4 Boiler cascades with 2 POWER HT A 3 mixer circuits hydraulic bypass and hot water prepara tion Hydraulic diagram Prior to installation 6 4 ...

Page 47: ...Wiring plan right POWER HT A Prior to installation 47 ...

Page 48: ...Wiring plan left POWER HT A Prior to installation 48 ...

Page 49: ...4 17 Legend Prior to installation 9 4 ...

Page 50: ...e local authorities 5 3 Neutralisation equipment The continuous neutralisation equipment NEOP is available as an accessory for the condensate neutralisation The neutralisation equipment must be checked at least once annually Since the condensate volume can be very different depending on the system conditions af ter the commissioning of the heating system a control in short time intervals is recomm...

Page 51: ...pipe particularly the joints must be checked for leakages be fore commissioning Purging the gas line The gas line has to be purged before commissioning For this open the measuring nozzle for the connecting pressure and purge by observing the safety precautions Check for tightness of the connection after purging 5 8 Factory settings The set gas type can be seen on the affixed label on the burner Th...

Page 52: ...r stop setpoint adjust appears in the display The ac tual modulation degree will be displayed on the display 4 Press OK button The nominal value can now be changed 5 Press OK button The displayed nominal value is taken over by the control Note The regulator stop function is stopped by pressing the operating mode but ton Heating Operation for approximately 3 seconds reaching the maximum boiler temp...

Page 53: ... Allen key Clockwise CO 2 content is decreased Counter clockwise CO 2 content is increased 4 Replace safety cap on the adjusting screw for full load 5 Set CO2 content at min output 1 POWER HT A in the controller stop function refer to previous section operated at minimum value 2 Remove safety cap from the adjustment screw for small load 4 3 Set CO2 content with the adjustment screw for small load ...

Page 54: ...ata with a screwdriver Clockwise CO 2 content is increased Counter clockwise CO 2 content is decreased Set CO2 content at min output 1 POWER HT A in the controller stop function refer to previous section operated at minimum value 2 Set CO2 content with the adjustment screw for small load 4 according to the section Technical Data with a 2 5 mm Allen key Clockwise CO 2 content is increased Counter c...

Page 55: ...We recommend the installation of a mains isolator upstream of the POWER HT A It should be a double pole switch with a contact gap of min 3 mm All connected components must comply with VDE or local regulations Always apply strain relief to connecting cables Cable lengths Bus sensor lines do not have mains voltage but small protective voltage They must not be installed in parallel with mains lines i...

Page 56: ...ded in delivery The outdoor temperature sensor is located in the accessory bag For connection see connection diagram Replacing cables All connecting cables apart from the mains cable must be replaced when necessa ry with Potterton Commercial special cables When replacing the mains cable only cables complying with BS6500 must be used Protection against contact Risk of electric shock After opening t...

Page 57: ...firm 3 Set Date and confirm 4 Set Time and confirm 5 Finalize by pressing OK Note If the menu commissioning is interrupted by pressing ESC the menu is showing up again during the next switch on of the device 6 2 Check water pressure Caution Check before switching on if the manometers show sufficient water pressure The value has to be between 1 0 and 2 5 bar Less than 0 5 bar Top up water Caution T...

Page 58: ...the temperatures for heat ing and drinking water For DHW heating a setting between 50 and 60 C is recommended Note The times for DHW will be set in time programme 4 TWW For reasons of comfort the start of DHW heating should be approximately 1 hour before start of heating 6 5 Individual time programme The gas condensing boiler can be commissioned having its standard values For setting e g an indivi...

Page 59: ...y carry out the inspection and maintenance Documents The documents belonging to the boiler have to be handed over with the in structions and they have to be kept in the installation room of the boiler A copy of the commissioning sheet with confirmation and legally binding signa ture to the customer All components have been installed according to the in struction of the manufacturer The whole plant...

Page 60: ...STB 7 OK key acknowledgement 2 ON OFF switch 8 Information button b o n k l o r t n o C 9 l o r t n o c r e n r u b n o t t u b t e s e R 3 4 Operating unit 10 Chimney sweep button 5 Operating mode key heating operation 11 ESC key cancel 6 Display 12 Operating mode key DHW operation Operation 0 6 ...

Page 61: ... Holiday function active INFO Information level active 1 2 3 Reference to heating circuits PROG Setting level active Burner in operation boiler only ECO Heating system shut down auto matic summer winter changeover or automatic heating limit active 7 3 Setting up heating operation Change over between operating modes for heating operation will be carried out with the operating button Heating operati...

Page 62: ... heating limit is not activated Protection operation No heating operation Temperature according to frost protection setpoint Protection functions activated Automatic summer winter switch over is not activated Automatic day heating limit is not activated DHW operation according to status 7 4 Stop drinking water operation Stop drinking water operation xxxxxxxxxxxxxx Switched on Drinking water will b...

Page 63: ...ation 7 6 Display information Various temperatures and messages can be called up by pushing the information button Including Room and outside temperature if sensor fitted Fault or service messages Note When no faults occur and no service messages exist this information is not displayed 7 7 Error message If the fault sign appears in the display a fault exists in the heating system Press information...

Page 64: ...elect menu point Maintenance service 3 Press OK button 4 Select parameters Manual control prog no 7140 5 Press OK button 6 Select parameter On 7 Press OK button 8 Leave programming level by pressing the operation mode button heating oper ation 7 10 Restoring factory setting The factory settings will be restored as follows 1 Press OK button 2 Select Setting level Engineer see section Programming at...

Page 65: ...nd menu points for end users and heating spe cialists is carried out by means of the following diagram Fig 32 Selection of setting levels and menu points s s ss ss x 3 s s s s s s ss s s s ss s s s s ss s s 3 3 s s s 3 3 s s s s s s s s s s s s Boiler temperature Programming 5 6 ...

Page 66: ...The basic programming processs is depicted in the following by the setting of time and date Basic display Press Select with the menu point time and date Acknowledge selection with Select with the menu point hours minutes s s Acknowledge selection with Select with set the hours e g 15 hours s s Acknowledge selection with Programming 6 6 ...

Page 67: ...ode button to return to the basic display The previous menu point will be called up by pressing the ESC button without tak ing over previously modified values If no settings are carried out for approximate ly 8 minutes the basic display is called up without taking over previously modified values Programming 7 6 ...

Page 68: ...le in the room device Language 20 Eu English Info Temporarily Permanently 22 E Temporarily Display of errors Code Code and text 23 E Code and text Contrast of display 25 Eu 87 Operation lock Off On 26 E Off Programming lock Off On 27 E Off Units C bar F PSI 29 Eu C bar Save basic settings No Yes This parameter is only visible in the room device 30 E No Activate basic settings No Yes This parameter...

Page 69: ...ce 2 Missing Ready No reception Change battery Delete device 131 C missing Room unit 3 Missing Ready No reception Change battery Delete device 132 C missing Outside sensor Missing Ready No reception Change battery Delete device 133 C missing Repeater Missing Ready No reception Change battery Delete device 134 C missing Operator unit 1 Missing Ready No reception Change battery Delete device 135 C m...

Page 70: ...h Fr Sa Su 540 Eu Mo 1st phase on 541 Eu 06 00 h min 1st phase off 542 Eu 22 00 h min 2nd phase on 543 Eu h min 2nd phase off 544 Eu h min 3rd phase on 545 Eu h min 3rd phase off 546 Eu h min Copy 555 Eu Default values No Yes 556 Eu No Time program 4 DHW Preselection Mo Su Mo Su Mo Fr Sa Su Mo Tu We Th Fr Sa Su 560 Eu Mo 1st phase on 561 Eu 05 00 h min 1st phase off 562 Eu 22 00 h min 2nd phase on...

Page 71: ...y month Operating level Frost protection Reduced 658 Eu Frost Protection Holidays heating circuit 3 Parameter only visible if heating circuit 3 exists Preselection Period 1 8 661 Eu Period 1 Start 662 Eu day month End 663 Eu day month Operating level Frost protection Reduced 668 Eu Frost Protection Heating circuit 1 Comfort setpoint 710 Eu 20 0 C Reduced setpoint 712 Eu 18 0 C Frost protection set...

Page 72: ...0 E Off Floor curing setp manually 851 E 25 C Floor curing setp current 855 E C Floor curing day current 856 E 0 Excess heat draw Off Heating mode Always 861 E Heating mode With buffer storage tank Off Heating mode Always 870 E Yes With prim contr system pump No Yes 872 E Yes Pump speed reduction Operating level Characteristic 880 E Characteristic Pump speed min 882 C 10 Pump speed max 883 C 100 C...

Page 73: ... end 1101 E 15 C Continuous pump operation No Yes 1109 E No Overtemp prot pump circuit Off On 1120 E Off Mixing valve boost 1130 E 5 C Actuator running time 1134 E 120 s Floor curing function Off Functional heating Curing heating Functional curing heating Curing Functional heating Manually 1150 E Off Floor curing setp manually 1151 E 25 C Floor curing setp current 1155 E C Floor curing day current...

Page 74: ... limitation 1360 E 0 5 C Boost heating 1370 E C Quick setback Off Down to reduced setpoint Down to frost prot setpoint 1380 E Down to reduced set point Optimum start control max 1390 E 0 min Optimum stop control max 1391 E 0 min Reduced setp increase start 1400 E C Reduced setp increase end 1401 E 15 C Continuous pump operation No Yes 1409 E No Overtemp prot pump circuit Off On 1420 E Off Mixing v...

Page 75: ...bsolute Legionella function Off Periodically Fixed weekday 1640 E Fixed weekday Legionella funct periodically 1641 E 3 Legionella funct weekday Monday Tuesday Wednesday Thursday Friday Saturday Sun day 1642 E Sunday Legionella funct time 1644 E Legionella funct setpoint 1645 E 65 C Legionella funct duration 1646 E min Legionella function circ pump Off On 1647 E On Circulating pump release Time pro...

Page 76: ...point source heating 2056 Eu 22 C Charging priority solar Priority 1 Priority 2 Priority 3 2065 E Priority 3 Swimming pool temp max 2070 E 32 C With solar integration No Yes 2080 E Yes Primary contr system pump Flow temp setpoint min 2110 E 8 C Flow temp setpoint max 2111 E 80 C Syst pump on heat gen lock Off On 2121 E Off Mixing valve boost 2130 E 0 C Actuator running time 2134 E 120 s Primary co...

Page 77: ... Output nominal 2330 E POWER HT A 1 430 400 kW POWER HT A 1 500 470 kW POWER HT A 1 570 540 kW POWER HT A 1 650 610 kW Output basic stage 2331 E POWER HT A 1 430 80 kW POWER HT A 1 500 94 kW POWER HT A 1 570 108 kW POWER HT A 1 650 122 kW Output at pump speed min 2334 E 10 Output at pump speed max 2335 E 90 Max fan output heating operation 2441 E POWER HT A 1 430 400 kW POWER HT A 1 500 470 kW POW...

Page 78: ... E 20 C min Restart lock 3532 E 300 s Switch on delay 3533 E 10 min Auto source seq ch over 3540 E 100 h Auto source seq exclusion None First Last First and last 3541 E None Leading source Source 1 Source 2 Source 3 Source 4 Source 5 Source 6 Source 7 Source 8 Source 9 Source 10 Source 11 Source 12 Source 13 Source 14 Source 15 Source 16 3544 E Source 1 Return setpoint min 3560 E 8 C Temp differen...

Page 79: ...nt min 4110 E 65 C Temp diff on 4130 E 8 C Temp diff off 4131 E 4 C Comparative temp DHW sensor B3 DHW sensor B31 Buffer sensor B4 Buffer sensor B41 Flow temp setpoint Setpoint min 4133 E Buffer sensor B41 Pump overrun time 4140 E 20 min Buffer storage tank Auto heat gen lock None With B4 With B4 and B42 B41 4720 E With B4 Auto heat gen lock SD 4721 E 5 C Temp diff buffer HC 4722 E 3 C Min st tank...

Page 80: ...atic Charging temp max 5050 E 65 C Re cooling temperature 5055 E 80 C Recooling collector Off Summer Always 5057 E Off El imm heater optg mode Substitute Summer Always 5060 E Substitute El immersion heater release 24h day DHW release Time program 4 DHW 5061 E DHW release El immersion heater control External thermostat DHW sensor 5062 E DHW sensor Automatic Push Off On 5070 E On Excess heat draw Of...

Page 81: ...requests Request HC1 DHW only 5774 E All requests Solar controlling element Charging pump Diverting valve 5840 E Diverting valve External solar exchanger Commonly DHW storage tank Buffer storage tank 5841 E Commonly Combined storage No Yes 5870 E No Relay output QX1 None Circulating pump Q4 El imm heater DHW K6 Collector pump Q5 Cons circuit pump VK1 Q15 Boiler pump Q1 Alarm output K10 Heat circui...

Page 82: ...ating level DHW Operating level HC1 Op erating level HC2 Operating level HC3 Room thermostat HC1 Room thermostat HC2 Room thermostat HC3 DHW thermostat Pulse count Checkb sign flue gas damper Start prevention Con sumer request VK1 10V Consumer request VK2 10V Preselected output 10V 5950 C None Contact type H1 NC NO 5951 C NO Voltage value 1 H1 5953 E 0 V Function value 1 H1 5954 E 0 Voltage value ...

Page 83: ... 1 Parameters see Relay output QX1 prog no 5890 but Checkb sign flue gas damper 6030 C None Relay output QX22 module 1 Parameters see Relay output QX1 prog no 5890 but Checkb sign flue gas damper 6031 C None Relay output QX23 module 1 Parameters see Relay output QX1 prog no 5890 but Checkb sign flue gas damper 6032 C None Relay output QX21 module 2 Parameters see Relay output QX1 prog no 5890 but ...

Page 84: ...quest VK2 10V Preselected output 10V 6046 C None Contact type H2 module 1 NC NO 6047 C NO Voltage value 1 H2 module 1 6049 E 0 volt Funct value 1 H2 module 1 6050 E 0 Voltage value 2 H2 module 1 6051 E 10 volt Funct value 2 H2 module 1 6052 E 1000 Function input H2 module 2 Parameters see Function input H2 module 1 prog no 6046 6054 C None Contact type H2 module 2 NC NO 6055 C NO Voltage value 1 H...

Page 85: ...Bus power supply state Off On 6605 E Display system messages No Yes 6610 E Yes Alarm delay 6612 E min Action changeover functions Segment System 6620 E System Summer changeover Locally Centrally 6621 E Locally Optg mode changeover Locally Centrally 6623 E Centrally Manual source lock Locally Segment 6624 E Locally DHW assignment Local HCs All HCs in segment All HCs in system 6625 E All HCs in syst...

Page 86: ...c code 3 Burner control phase 3 6825 E History 20 Date Time Error code 20 6990 E SW diagnostic code 20 Burner control phase 20 6995 E Service special operation Burner hours interval 7040 E h Burn hrs since maintenance 7041 E 0 h Burner start interval 7042 E Burn starts since maint 7043 E 0 Maintenance interval 7044 E months Time since maintenance 7045 E 0 months Fan speed ionization current 7050 E...

Page 87: ...utput QX21 module 2 Relay output QX22 module 2 Relay output QX23 module 2 Relay output QX21 module 3 Relay output QX22 module 3 Relay output QX23 module 3 7700 C No test Output test P1 7713 C PWM output P1 7714 C Outside temp B9 7730 C DHW temp B3 B38 7750 C Boiler temp B2 7760 C Sensor temp BX1 7820 C Sensor temp BX2 7821 C Sensor temp BX3 7822 C Sensor temp BX21 module 1 7830 C Sensor temp BX22 ...

Page 88: ...ve Chimney sweep funct active Temporarily unavailable Outside temp limit active Not released Released 8100 C Priority state source 2 Parameters see Priority state source 1 prog no 8100 8102 C Priority state source 3 Parameters see Priority state source 1 prog no 8100 8104 C Priority state source 4 Parameters see Priority state source 1 prog no 8100 8106 C Priority state source 5 Parameters see Pri...

Page 89: ...ate source 1 prog no 8100 8130 C Cascade flow temp 8138 C Cascade flow temp setp 8139 C Cascade return temp 8140 C Cascade return temp setp 8141 C Source seq ch over current 8150 C Diagnostics heat generation Boiler pump Q1 8304 E Boiler pump speed 8308 E Boiler temp 8310 C Boiler setpoint Boiler switching point 8312 C Control sensor Boiler sensor B2 DHW charging sensor B36 DHW outlet sensor B38 C...

Page 90: ...s run solid fuel boiler 8570 C Diagnostics consumers Outside temperature 8700 Eu Outside temperature minimum 8701 Eu Outside temperature maximum 8702 Eu Outside temp attenuated 8703 E Outside temp composite 8704 E Heating circuit pump 1 Off On 8730 C Heat circ mix valve 1 open Off On 8731 C Heat circ mix valve 1 close Off On 8732 C Speed heating circuit pump 1 8735 C Room temp 1 8740 C Room setpoi...

Page 91: ...C DHW temp setpoint C C 2 3 8 8 1 3 B m o t t o b e u l a v l a u t c a p m e t W H D DHW circulation temp 8835 E DHW charging temp 8836 E C 5 7 8 8 1 t i u c r i c r e m u s n o c t n p t e s p m e t w o l F C 5 8 8 8 2 t i u c r i c r e m u s n o c t n p t e s p m e t w o l F Flow temp setpnt swimming pool 8895 C Swimming pool temp 8900 C Swimming pool setpoint 8901 C Primary controller temp 893...

Page 92: ...A 1 430 338 kW POWER HT A 1 500 362 kW POWER HT A 1 570 364 kW POWER HT A 1 650 343 kW Nominal output ignition load 9512 E POWER HT A 1 430 129 kW POWER HT A 1 500 148 kW POWER HT A 1 570 148 kW POWER HT A 1 650 169 kW Nominal output Partial load 9524 E POWER HT A 1 430 80 kW POWER HT A 1 500 94 kW POWER HT A 1 570 108 kW POWER HT A 1 650 122 kW Nominal output full load 9529 E POWER HT A 1 430 400...

Page 93: ...ntroller and therefore identical The value changed last is the valid value 8 4 Parameter list explained In the following the individual parameter of the are explained Time and date Time of day and date 1 3 The control has a year clock with setting possibilities for time day month and year Time and date must be correctly set so that the heating programs can oper ate to previously carried out progra...

Page 94: ...ng unit or room unit will be written into the control Caution The data of the control will be overwritten The factory settings are stor ed in the operating unit Activation of the prog no 31 at the operating unit The control will be reset to the factory settings Activation of the prog no 31 at the room unit The individual programming of the room unit will be written into the control This parameter ...

Page 95: ... 42 Readjustment room sensor 54 The temperature display of the value transmitted by the room sensor can be cor rected under programme no 54 Software version 70 Display of the current software version Radio Detailed descriptions are in the assembly and setting manual of the room device RGTF Device lists 130 to 138 The state of the respective device will be displayed under programme numbers 130 to 1...

Page 96: ...re only activated in the operation mode Automat ic Copy 515 535 555 575 615 The time switching program for one day can be copied and assigned to another or several other days Note Day blocks cannot be copied Default values 516 536 556 576 616 Setting of the default values given in the setting table Holiday programs The heating circuits may be set to a selectable operation level with the holiday pr...

Page 97: ...ature Heating curve slope 720 1020 1320 Using the heating curve the flow temperature setpoint is formed which is used for control of the heating circuit based on the outside temperature The slope of the curve indicates by how much the flow temperature changes with changing outside temperature Determination of the heating curve slope Enter lowest calculated outside temperature according to climate ...

Page 98: ...s 3 SWHL T t Summer winter heating limit Temperature Time 24 hour heating limit 732 1032 1332 The 24 hour heating limit shuts off the heating circuit if the current outside tem perature increases up to the difference set here of the current operating level re duced or comfort set point The heating cuts on again if the current outside tem perature again falls under the set difference minus 1 C This...

Page 99: ...n the temperature control In this way existing external heat can be considered and a constant room temperature is possible The influence of the deviation can be set in percentage The better the leading room is correct room temperature correct installation location etc the higher the value can be set and the room tempera ture is taken into consideration even more Caution Open radiator valves Should...

Page 100: ... new set point within a short period of time The boost heating is ended if the room temperature measured with a RGT RGTF or RGB ac cessories room unit increases to 0 25 C below the comfort set point Without room sensor or without room influence the boost heating is carried out based on an internal calculation Due to the room set point acting as a basis the effect of the duration of the boost heati...

Page 101: ... 7 7 15 3 23 10 C 0 1 3 3 3 6 7 10 13 4 5 C 0 0 9 2 1 4 3 6 4 8 6 21 5 0 C 0 0 6 1 6 3 2 4 7 6 3 15 8 5 C 0 0 5 1 3 2 5 3 8 5 12 5 10 C 0 0 4 1 2 1 3 1 4 1 10 3 15 C 0 0 4 0 9 1 8 2 6 3 5 8 8 20 C 0 0 3 0 8 1 5 2 3 3 1 7 7 Duration of the quick setback for setback by 4 C in h Outside temperature composite Building time constant configuration programme number 6110 0 hrs 2 hrs 5 hrs 10 hrs 15 h 20 h...

Page 102: ...d outside temperatures The increase is dependent upon the outside temperature The lower the outside temperature is the higher the reduced set point for the room temperature is raised The start of the increase and the end point can be set Between these two points there is a linear increase of the re duced setpoint up to the comfort setpoint Fig 38 Reduced setpoint increase TRwA1 TRwA2 TRK TRR TOc R...

Page 103: ...enerator is superelevated above the set value here This boost should be achieved so that the temperature fluctuations can be corrected with the mixer valve Actuator running time 834 941 1134 For mixing circuits a kick start of the mixer drive is carried out after a pump kick start Pump is OFF In this case the mixer will be controlled in direction OPEN and CLOSED The time of activation in direction...

Page 104: ...ting circuit can be supplied from the buffer With primary controller sys tem pump 872 1172 1472 5092 This parameter establishes whether a zone system pump goes into operation with a heat demand of the heating circuit This system pump is based on the seg ment in which this controller is located LPB bus system and which is controlled with a primary control No the heating circuit will be fed without ...

Page 105: ...which oper ating level the heating circuit is switched into Frost Protection Reduced Comfort Optg mode changeover 900 1200 1500 In case of external changeover of the operating mode per Hx it can be selected if in automatic mode changeover will be carried out from nominal comfort value to the frost protection value or the reduced nominal value DHW Nominal setpoint 1610 Setting the DHW nominal setpo...

Page 106: ...ll be restricted None priority Charging DHW is carried out in parallel with heating operation MC shifting PC absolute Pumped heating circuits are blocked until the DHW has been heated up Should the boiler capacity not be sufficient also the mixer circuit will be restricted Legionella function 1640 Function to kill legionella germs by heating up to the set legionella function set point see programm...

Page 107: ...g no 540 to 556 DHW release The DHW circulating pump will be enabled when DHW heating has been enabled Time program 4 The DHW circulating pump will be enabled subject to time pro gram 4 Circulating pump cycling 1661 The circulating pump will be switched on for 10 minutes and off for 20 minutes within the release time Circulation setpoint 1663 In case of undercutting the circulation setpoint Standa...

Page 108: ...riority 3 the swimming pool is heated after the buffer is charged Swimming pool temp Maximum 2070 This parameter sets whether the swimming pool heating by solar charging has priority or not If the swimming pool temp reaches the heating limit set here the collector pump is switched off It is again released if the swimming pool temp has dropped by 1 C below the maximum heating limit temperature With...

Page 109: ...to which the boiler will be contolled in manual control mode also see prog no 7140 Burner running time min 2241 Here the time span after start up of the burner is set in which the switch off dif ference is increased by 50 However this setting does not guarantee that the burner always remains in operation for the set time span Burner off time min 2243 The boiler minimum pause time only takes effect...

Page 110: ...t The control of the pump speed controls the speed of the boiler pump so that the nominal rise between the boiler return and boiler flow is held If the actual rise is larger than the nominal rise the pump speed is increased otherwise the pump speed is reduced Burner output If the burner is operated with low output then the boiler pump should also run on low speed During high boiler output the boil...

Page 111: ...t The duration of the switch off delay can be set with the fan switch off delay function prog no 2446 During a DHW request the voltage supply for the fan also remains then released if the PWM actuation is not active Fan shutdown delay 2446 If no heating requirement exists the voltage supply of the fan is switched off The time is set here in which the fan gets voltage anyway Controller delay 2450 T...

Page 112: ...ation of the pumps With open pressure switch is a start prevention or lockout position triggered The pump actuation is also locked for protection against dry running If the water pressure increases again and the switch closes again with a start prevention these are automatically again cancelled and the pump actuation is again re leased Cascade Lead strategy 3510 Considering the specified output ra...

Page 113: ...changed after the time set in prog no 3540 has elapsed Last the last boiler in the addressing always remains as the last boiler for all other boilers the boiler sequence is changed after the time set in prog no 3540 has elapsed Leading source 3544 The setting of the leading source is only used in combination with the fixed se quence of the source sequence prog no 3540 The boiler defined as the lea...

Page 114: ...diff ON buffer 3813 Temp diff OFF buffer 3814 Charging temp min buffer 3815 The switching on and switching off point of the collector pump is set with these functions Basis is the temperature difference between collector temperature and storage temperature of the buffer In addition to the temperature difference reaching a certain minimum collector temperature is necessary for the buffer storage ch...

Page 115: ... storage tank Buffer storage tank A 1610 Nominal setpoint Buffer setpoint drag pointer B 5050 DHW Charging temp max 4750 Buffer storage tank charging temp max C DHW storage tank temp max set by factory 90 C Buffer storage temperature max set by factory 90 C Charging time relative prio 3825 If the preferred storage tank corresponding to the charging control not be charg ed during the time set here ...

Page 116: ...ump protecting function to prevent overheating of the collector pump in case of evaporating danger of the heat carrying medium due to high collector tempera ture Antifreeze 3880 Information of the antifreeze used Antifreeze concentration 3881 Input of antifreeze concentration for usage measurement of solar energy Pump capacity 3884 Input of the flow of the installed pump for calculation of the bro...

Page 117: ...run time Buffer storage Auto generation lock 4720 The hydraulic separation of heat source and buffer storage tanks achieved by the automatic heat generation lock The heating source will only be started if the buf fer storage tank cannot cover the actual heat request The following settings are possible None the automatic heat generation lock is de activated With B4 the automatic heat generation loc...

Page 118: ...table comparative temperature the return is re routed to the lower buf fer storage tank part The function can either be used as return temperature in crease or as return temperature decrease The way this works is defined in prog no 4796 Using the definition of the temperature differences in prog no 4790 and 4791 the switch on and switch off point of the return redirection is established In prog no...

Page 119: ...requested tempera ture on the sensor parameterized for the full charging function the function is ended Full charging temp min 4811 The buffer storage tank is charged minimally to the set value Full charging sensor 4813 With B4 For the full charging function the buffer storage tank sensor B4 is consid ered With B42 B41 For the full charging function the buffer storage tank sensor B42 if not availa...

Page 120: ...ng the DHW charging the room heater depending on the selected charging priority prog no 1630 and the hydraulic switch has too little or no power Of ten it is therefore practical to restrict the time of DHW charging Discharging protection 5040 The function ensures that the DHW pump Q3 first switches on if the temperate in the heat generator is sufficiently high Application with sensor The charging ...

Page 121: ...controller DHW sensor The storage temperature will be achieved with an external ther mostat with setpoint control of the controller Automatic Push 5070 The DHW Push can activated by hand or automatically It causes a one time DHW charging to the nominal setpoint Off The DHW Push can only activated by hand On If the DHW temperature drops by more than two switching differences prog no 5024 below the ...

Page 122: ...temp max 5141 With this parameter the end criterion of a full charging during control is specified on the charging sensor B36 If the contents of the layer storage is charge to the bottom the temperature increases on the charging sensor Flow setp compensation de lay 5142 The filter time for the setpoint lead is set here Flow setp compensation Xp 5143 The P band Xp defines the amplification of the c...

Page 123: ...easured DHW storage tank temperature Thermostat Control of domestic hot water temperature as a function of the switching status of a thermostat connected to DHW sensor B3 Note When using a DHW thermostat no reduced mode is possible This means if reduced mode is active the DHW preparation is blocked with the thermostat Caution No frost protection for DHW The domestic water frost protection cannot b...

Page 124: ...ydraulically only for heating circuit 1 and DHW and switches between DHW mode and heat circuit 1 mode All other requests are not connected hydraulically via the diverting valve DV and the boiler pump but rather directly connected to the boiler Solar controlling element 5840 The solar heating system can also be operated with charging pumps instead of with a collector pump and diverting valves for t...

Page 125: ...eturn temperature in crease decrease or the buffer storage tank partial charging Solar pump ext exch K9 here the solar pump external exchanger K9 must have been set for the external heat exchange Solar ctrl elem buffer K8 if several exchangers are connected the buffer storage must be set at the respective relay output and the type of solar regulating unit must be defined under prog no 5840 Solar c...

Page 126: ...uffer storage tank sensor Common return sensor B73 Return sensor for the function return diversion Cascade return sensor B70 common return sensor for boiler cascades Swimming pool sensor B13 Sensor for measurement of swimming pool temp Solar flow sensor B63 this sensor is required for the solar usage measurement Solar return sensor B64 this sensor is required for the solar usage measure ment Funct...

Page 127: ...art can be prevented Consumer request VKx 10V The application nodes external load x receives a volt age signal DC 0 10 V as heat request The linear curve is defined via two fix points voltage value 1 function value 1 and voltage value 2 function value 2 only applies to H1 Preselected output The source receives a voltage signal DC 0 10 V as output request The linear curve is defined via two fix poi...

Page 128: ...int Solar Primary controller feed pump For this use the respective settings can be adjus ted in the menu point Primary controller feed pump Relay output QX21 QX23 6030 6038 Relay outputs for the moduls 1 2 and 3 Explanations see prog no 5890 Sensor input BX21 BX22 6040 6045 Sensor input for the moduls 1 2 and 3 Functions in addition to the basic functions will be possible by configuring the sensor...

Page 129: ...t exch K9 if several exchangers are connected the buffer storage must be set at the respective relay output and the type of the solar regulating unit must be defined in prog no 5840 Solar pump swi pool K18 if several exchangers are connected the the swim ming pool must be set at the respective relay output and the type of the solar regulating unit must be defined in prog no 5840 Sensor type collec...

Page 130: ...d under programme number 6200 This happens au tomatically however after changing the plant removal of a sensor the state at the sensor terminals must be stored new Control numbers generator 1 storage heating circuit 6212 6213 6215 6217 The basic device generates a control number for identification of the plant scheme which is composed of the numbers listed in Tab 7 Page 130 Tab 7 Check no heat sou...

Page 131: ...mediate circuit 1 exchanger 22 Charging pump intermediate circuit without ex changer 23 Charging pump intermediate circuit 1 exchanger 25 Diverting valve intermediate circuit without ex changer 26 Diverting valve intermediate circuit 1 exchanger 28 Primary control intermediate circuit without ex changer 29 Primary control intermediate circuit 1 exchanger Tab 9 Check no heating circuit prog no 6217...

Page 132: ...temperature monitor quer ied communication errors However it must be realised that briefly occurring malfunctions which continue and quickly occur again are also filtered out with this Display systemmessages 6610 If the setting Central is activated under progr no 6221 and 6223 the action for this setting can be set The following settings are possible Segment the changeover is done for all controll...

Page 133: ... is done by the mas ter The time of the controller is then continually adapted to the system time Master The time of day can be modified at the control The time of the control ler is the default for the system The system time is adapted Outside temp source 6650 In the LPB system only one single outside temperature sensor is necessary This delivers the signal via the LPB to the controller without s...

Page 134: ...unction for display and reset of the burner ionisation current service alarm The service alarm can only be reset if the reason for service is taken care of Chimney sweep function 7130 The chimney sweep function is switched on or off under this prog no Note The function is switched off by the setting Off or automatically if the maximum boiler temperature is reached It can also be directly activated...

Page 135: ...rameter is transferred the LMS control must be unlocked after ending the transmission Error 183 parameterization is displayed Writing on stick Starts writing the data from the LMS control to the stick This operation is only possible with WRITE sticks The data is written in the previous ly set data set Before writing of the data begins it is checked whether the data fits on the stick and the respec...

Page 136: ...on Restricted DHW priority Restricted buffer W H D w a r d d e c r o F w a r d d e c r o F Forced draw source Overrun active Comfort heating mode Opt start ctrl boost heating Optimum start control Boost heating Comfort heating mode Reduced heating mode Optimum stop control Reduced heating mode Frost protection active Frost prot room active Frost protection flow active Frost prot plant active Summe...

Page 137: ...harging temp Forced legionella setp Forced nominal setp Charg el imm heater El charging legionella setp El charging nominal setp El charging reduced setp El charging frost prot setp El imm heater released p t e s a l l e n o i g e l h s u P e v i t c a h s u P Push nominal setp p t e s a l l e n o i g e l g n i g r a h C e v i t c a g n i g r a h C Charging nominal setp Charging reduced setp Frost...

Page 138: ...e Min limitation Min limitation part load Min limitation active t r a t s e v i t c e t o r P n o i t a r e p o n I Protective start part load Return limitation Return limitation part load r e f f u b g n i g r a h C r e f f u b g n i g r a h C In op for HC DHW In op for HC DHW In part load op for HC DHW In part load op for HC DHW Released for HC DHW Released for HC DHW In operation for DHW In ope...

Page 139: ...tive Evaporation prot active Overtemp prot active Overtemp prot active Max charging temp reached Max charging temp reached Charging DHW buffer swi pool Charging DHW buffer swi pool Charging DHW buffer Charging DHW buffer Charging DHW swi pool Charging DHW swi pool Charging buffer swi pool Charging buffer swi pool W H D g n i g r a h C W H D g n i g r a h C r e f f u b g n i g r a h C r e f f u b g...

Page 140: ...rt load op for DHW In part load op for DHW In op for HC DHW In op for HC DHW In part load op for HC DHW In part load op for HC DHW e v i t c a n u r r e v O e v i t c a n u r r e v O n o i t a r e p o n I n o i t a r e p o n I Assisted firing active Assisted firing active d e s a e l e R d e s a e l e R Frost protection active Frost prot plant active Boiler frost prot active Off Off The following ...

Page 141: ...Charged required temp Part charged required temp Charged min charging temp d l o C d l o C t s e u q e r o N t s e u q e r o N The following messages are possible under swimming pool u n e m n a i c i n h c e T g n i n o i s s i m m o C E r e s u d n E State Manual control active Manual control active t l u a F t l u a F Heating mode restricted Heating mode source Heated max Swimming pool temp Hea...

Page 142: ... in HF Postpurge time 9540 After venting time Note This parameter must only be changed by a heating specialist Fan output speed slope 9626 Fan output speed Y section 9627 With this parameter the rotational speed of the fan can be adjusted e g for com plex exhaust systems or the conversion of gas condensing boilers for operating with liquid gas Prog no 9626 equates to the incline of the fan charact...

Page 143: ...ating surfaces Danger of fire No easily flammable solvent may be used to clean the boiler Replace wear parts see Spare parts list Caution Only original spare parts may be used Check connection and seal locations of water filled parts Check safety valves for correct function Check operating pressure and possibly fill in water De aerate heating plant De aerate heating plant and return gravity lock i...

Page 144: ...14 Fan s s a l g t h g i s e d o r t c e l e n o i t a s i n o i d n a n o i t i n g I 5 1 n o i t c e n n o c s a G 4 r e p m a d l o r t n o C 6 1 l l e w y e n o H e v l a v s a G 5 6 Water pressure monitor on boiler return 17 Ignition transformer below the control housing S M L l o r t n o c r e l i o B 8 1 g n i y t p m e g n i l l i F 7 8 Siphon 19 Connection for safety group 9 Suction hose ...

Page 145: ... r e l i o B 3 4 Gas connection 15 Ignition and ionisation electrode sight glass 5 Gas valve Dungs 16 Control damper 6 Water pressure monitor 17 Ignition transformer below the control housing 7 Filling Emptying 18 Boiler control LMS p u o r g y t e f a s r o f n o i t c e n n o C 9 1 n o h p i S 8 t c u d y l p p u s r i A 0 2 e s o h n o i t c u S 9 n o i t c e n n o c s a g t s u a h x E 1 2 i r...

Page 146: ...old up control box 1 and secure with a lock 2 3 Remove all connection plugs on the top of the fan Fig 52 Loosen the screwed connections 3 4 Loosen the screws on the connection piece to the Venturi tube on the bottom of the fan 3 5 Remove connection screws to the mixing adapter 4 Maintenance 6 4 1 ...

Page 147: ...Fig 53 Remove the fan 6 Remove fan with air flap 5 7 Check fan for function 8 Clean fan with compressed air 9 Reinstall fan in the reverse sequence Maintenance 7 4 1 ...

Page 148: ...trode 3 Disconnect ignition wire on the ignition transformer 4 Loosen the screws and remove the ignition and ionisation electrode 1 with seal 2 Fig 55 Electrode spacing 3 5 Check the setting of the ignition and ionisation electrode Note The electrode spacing must be 3 0 5 mm see Fig 55 6 If necessary install new ignition and ionisation electrode in the reverse se quence Note When installing the ig...

Page 149: ...ter with seal 1 Fig 57 Removing the burner pipe 5 Pull out the burner pipe from the opening 2 6 Clean the burner pipe with compressed air 7 Reinstall the burner pipe Make sure the burner pipe is installed straight The metal pin on the opening of the front heat exchanger element Fig 57 B must be in the recess of the burner pipe Fig 57 A In addition the end of the burner pipe must lie in the rear he...

Page 150: ...must be cleaned in the scope of the annual service The cleaning is done as follows 1 Remove the cladding front wall and entire right side cladding Fig 58 Remove the insulation panel 2 Loosen nuts and remove the insulation panel with spacer sleeves Fig 59 Remove the inspection cover 3 Loosen nuts and remove the inspection cover with seal Maintenance 0 5 1 ...

Page 151: ...Therefore replace any damaged seal Fig 61 Wet cleaning of the heat exchanger 7 Spray the heat exchanger through the burner opening from inside with gas boiler cleaning agent Risk of poisoning and chemical burns Protective gloves and safety glasses or face shield must be worn when using gas boiler cleaning agents The surroundings must be protected from escaping cleaning agent In addition the safety...

Page 152: ...ve the cap of the condensate trough Note On the opposite side of the exhaust gas connetion there is another cap Fig 63 Rinse the condensate trough 11 Rinse out the condensate trough with water through the opening Maintenance 2 5 1 ...

Page 153: ... siphon and commissioning of the gas condensing boiler fill the siphon with approx 1 l water 15 Check the condensate piping for leaks 16 Reinstall the side cladding and cladding front wall 9 7 Control and regulating centre LMS Description of function Control and monitoring of the burner with control and regulating centre LMS with ionisation electrode Automatic start according to programme with mon...

Page 154: ...see fault code table Burner does not start No voltage at the control and regulating centre no burner ON signal from the heating circuit control see fault code table Burner goes into disturbance status Without flame formation No ignition ionisation electrode has ground connection no gas In spite of flame formation the burner goes on fault after expiration of the safety time Ionisation electrode def...

Page 155: ...g specialist 1 54 Flow temperature DHW sensor fault 57 Drinking water circulation temperature sensor fault 60 Room temperature 1 sensor fault 65 Room temperature 2 sensor fault 68 Room temperature 3 sensor fault 70 Storage tank temp 1 top sensor fault 71 Storage tank temp 2 bottom sensor fault 72 Storage tank temp 3 middle sensor fault 73 Collector temperature 1 sensor fault 81 LPB short circuit o...

Page 156: ...urs several times contact heating specialist lack of gas polarity of mains connection safe ty period check ignition electrode and ionisation current 1 3 146 Configuration fault Common message 151 Internal fault Check parameter see Adjustment Table Heating Expert and or Call up Values reset LMS change LMS heating expert 1 3 t l u a f n o i t a z i r e t e m a r a P 2 5 1 160 Fan fault Fan possible ...

Page 157: ... 8 4 3 g n i s s i m 5 1 Y e v l a v f f u B 9 4 3 r o r r e s s e r d d a r e f f u B 0 5 3 r r e r d d a p m u p s y s m i r P 1 5 3 r r e r d d a r e d a e h s s e l r P 2 5 3 353 Common flow sensor B10 missing 371 Flow temperature 3 Heating circuit 3 monitor ing 3 C H t a t s o m r e h t t i m i L 2 7 3 373 Expansion module 3 fault collective fault 378 Repetition counter internal fault expired...

Page 158: ...ime for flame formation ioni sation current build up n o i t i n g i h t i w g n i r o t i n o m e m a l F t n a t s n o c e m i t y t e f a S 1 a s t n o i t i n g i t u o h t i w g n i r o t i n o m e m a l F e l b a i r a v e m i t y t e f a S 2 a s t n o i t a s i l i b a t s e m a l F e m i t l a v r e t n I t i n o i t a r e p o n i r e n r u B e d o m g n i t a l u d o M D O M THL2 Subseque...

Page 159: ... 9 Construction work 57 Contents of these instructions 4 Continuous operation 62 Controller stop function 53 53 54 54 134 Controller stop mode 52 Customer service Telephone 134 D Declaration of conformity 8 DHW operation 62 DHW temperature 58 Diagnostics consumers 141 Dimensions 9 Discharge from safety valve 59 E ECO 61 Emergency operation 64 Error message 63 F Factory setting 94 Factory settings ...

Page 160: ...ed setpoint 63 Reduced setpoint increase 102 Regulations 7 Replacing cables 56 Resistance values 14 Restoring factory setting 64 Room influence 99 Room temperature 58 Comfort setpoint 62 Reduced setpoint 63 S Safety valve 50 143 Service message 61 Set frost protection temperature 61 Shut off valve 51 Softening system 33 Software version 95 Spare parts 143 Standards 7 State 135 Strain reliefs 55 Su...

Page 161: ...Space for notes 1 6 1 ...

Page 162: ...Space for notes 2 6 1 ...

Page 163: ...Space for notes 3 6 1 ...

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