Baxi POWER HT+ 1.130 Installation, User And Service Manual Download

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11. Level the boiler using the adjustable feet.

(1)

Adjustment range for the feet: 20 mm

Fig.52

MW-4000300-2

(1)

5 Before installation

POWER HT +

7702630 - v02 - 11082018

Summary of Contents for POWER HT+ 1.130

Page 1: ...en Installation User and Service Manual POWER HT 1 130 POWER HT 1 150 POWER HT 1 200 POWER HT 1 250 ...

Page 2: ...using the product and keep it in a safe place for later reference In order to ensure continued safe and efficient operation we recommend that the product is serviced regularly Our service and customer service organisation can assist with this We hope you enjoy years of problem free operation with the product ...

Page 3: ...ing principle 19 4 2 1 Circulating pump 19 4 2 2 Gas air setting 19 4 2 3 Low loss header accessory 20 4 2 4 Plate heat exchanger accessories 21 4 2 5 System in cascade 22 4 2 6 Settings and safety devices 22 4 3 Main components 23 4 3 1 POWER HT 1 130 and POWER HT 1 150 23 4 3 2 POWER HT 1 200 and POWER HT 1 250 24 4 3 3 Main burner components 25 4 4 Control panel description 25 4 4 1 Description...

Page 4: ... HT 1 250 63 7 7 3 Flushing new installations and installations less than 6 months old 64 7 7 4 Flushing an existing installation 64 7 7 5 Filling the siphon 64 7 8 Completing installation 64 8 Commissioning 65 8 1 General 65 8 2 Check list before commissioning 65 8 3 Commissioning procedure 65 8 3 1 Checking the gas inlet 65 8 3 2 Checking the electrical connections 65 8 3 3 Checking the hydrauli...

Page 5: ...Standard inspection and maintenance operations 105 11 2 1 Performing the annual service 105 11 2 2 Removing the burner 105 11 2 3 Cleaning the heat exchanger 112 11 2 4 Checking the burner 114 11 2 5 Cleaning the siphon 115 11 2 6 Refitting the burner 116 11 2 7 Thermal fuse in the heat exchanger 117 11 2 8 Check the combustion 117 11 2 9 Cleaning the plate heat exchanger optional kit 118 11 2 10 ...

Page 6: ...e Cleaning and user maintenance shall not be made by children without supervision Caution Do not touch the flue gas pipes Depending on the boiler settings the temperature of the flue gas pipes can rise to over 60 C Caution Do not touch radiators for long periods Depending on the boiler settings the temperature of the radiators may exceed 60 C Caution Take precautions with the domestic hot water De...

Page 7: ...y Warning The condensation drain must not be changed or sealed If a condensate neutralisation system is used the system must be cleaned regularly in accordance with the instructions provided by the manufacturer For the end user Danger If you smell gas 1 Do not use a naked flame do not smoke do not operate electrical contacts or switches doorbell light motor lift etc 2 Shut off the gas supply 3 Ope...

Page 8: ... in order to guarantee the following functions Avoidance of pumps blocking Frost Protection Caution The frost protection function only protects the boiler not the heating system Caution The frost protection function does not work if the boiler is powered off Caution Remove the boiler casing only to perform maintenance and repair work Always put the casing back in place after such work Important On...

Page 9: ...iabilities 1 3 1 Manufacturer s liability Our products are manufactured in compliance with the requirements of the various Directives applicable They are therefore delivered with the marking and any documents necessary In the interests of the quality of our products we strive constantly to improve them We therefore reserve the right to modify the specifications given in this document Our liability...

Page 10: ...ive all the instruction manuals to the user 1 3 3 User s liability To guarantee optimum operation of the system you must abide by the following instructions Read and follow the instructions given in the manuals provided with the appliance Call on a qualified professional to carry out installation and initial commissioning Get your installer to explain your installation to you Have the required ins...

Page 11: ...result in minor personal injury Caution Risk of material damage Important Please note important information See Reference to other manuals or pages in this manual 2 2 Symbols used on the appliance 1 Alternating current 2 Protective earthing 3 Before installing and commissioning the appliance carefully read the instruction manuals provided 4 Dispose of used products through an appropriate recovery ...

Page 12: ...This product conforms to the requirements of European Directive 2009 125 EC on the ecodesign of energy related products 3 1 3 EC Declaration of Conformity The unit complies with the standard type described in the EC declaration of conformity It has been manufactured and commissioned in accordance with European directives The original declaration of conformity is available from the manufacturer 3 1...

Page 13: ...38 8 Useful heat output at 80 60 C Heating mode Maximum kW 121 5 140 3 185 9 232 8 Useful heat output at 50 30 C Heating mode Minimum kW 26 2 30 2 33 1 41 7 Useful heat output at 50 30 C Heating mode Maximum kW 130 6 150 9 200 250 Heat output Heating mode Minimum kW LHV 24 8 28 6 31 8 40 Heat output Heating mode Maximum kW LHV 123 8 143 191 240 Heat output Heating mode Minimum kW HHV 27 5 31 7 35 ...

Page 14: ...25 25 25 25 Nominal pressure G31 mbar 37 37 37 37 Maximum pressure G31 mbar 57 5 57 5 57 5 57 5 Consumption of natural gas G20 Minimum m h 2 6 3 0 3 4 4 2 Consumption of natural gas G20 Maximum m h 13 1 15 1 20 2 25 4 Consumption of natural gas G25 Minimum m h 3 1 3 5 3 9 4 9 Consumption of natural gas G25 Maximum m h 15 2 17 6 23 5 29 5 Consumption of natural gas G25 1 Minimum m h 3 0 3 5 3 9 4 9...

Page 15: ... temperature regime 2 ƞ4 88 4 88 4 87 7 87 4 Useful efficiency at 30 of rated heat output and low temperature regime 1 ƞ1 97 8 97 8 98 3 98 3 Auxiliary electricity consumption Full load elmax kW 0 187 0 283 0 230 0 369 Part load elmin kW 0 051 0 052 0 047 0 048 Stand by PSB kW 0 004 0 004 0 004 0 004 Other specifications Standby heat loss Pstby kW 0 078 0 083 0 095 0 117 Ignition burner power cons...

Page 16: ...1218 827 407 3 3 Dimensions and connections 3 3 1 POWER HT 1 130 and POWER HT 1 150 Fig 2 1 MW 5000716 3 681 107 172 5 260 5 517 5 167 5 486 300 78 5 89 94 305 5 99 1128 600 440 1227 98 5 38 5 25 98 5 31 5 2 3 4 5 6 MENU 1 Flue gas outlet 110 160 mm 2 Heating circuit flow G1 1 2 3 Gas inlet G1 4 Heating circuit return G1 1 2 5 Condensate discharge diameter 32 mm 6 Drain 1 2 3 Technical specificati...

Page 17: ...2 L N 1 2 3 4 BL BR BL BR G Y BR BK BR BK BL BR WH BK WH BK WH BK BK WH BL BL BL BR BR BL BL G Y G Y BR BL BL BR VT YW BK BR GN GN GN GN BK BR BK YW BK VT GN BR YW GY BK WH BK RD VT BR GN BR VT WH GN RD BK BR BL BR BL BR BL GN BK BR BL GN BK BR BL G Y BL BL G Y HMI G Y G Y G Y G Y G Y BL BL BL BL BK BK RD GN GN RD PK GR PK GR RD RD RD RD A 1 2 3 4 5 6 7 8 WH BK BK G Y BL BR BL BR BL BR I J K L M P...

Page 18: ... 1 250 Fig 5 MW 4000294 1 Earth POP rivet A Power supply 230 V 50 Hz B Power supply auxiliary circuit 1 C Power supply auxiliary circuit 2 D Room thermostat E Heating circuit pump F Domestic hot water pump G Safety contact H Boiler pump I Auxiliary sensor 1 J Auxiliary sensor 2 K Outside sensor L Domestic hot water sensor M Room temperature sensor 1 N Room temperature sensor 2 O Room temperature s...

Page 19: ...eat demand and the actual temperatures measured by the temperature sensors The gas and air are mixed in the Venturi The gas air ratio command function ac curately adjusts the quantities of gas and air required This provides optimum combustion over the entire output range The gas air mixture is sent to the burner located upstream of the heat exchanger POWER HT 1 200 POWER HT 1 250 An air intake hos...

Page 20: ...rticularly when several circuits are operating independently from one another It provides the option of having secondary circuits at different temperatures It allows air to be evacuated thanks to its degassing function It enables decanting and removal of sludge via the sludge removal function Fig 7 Functional diagram of a boiler with a low loss header MW 1000021 06 3 7 1 5 9 8 6 2 4 10 1 Boiler 2 ...

Page 21: ...condary heating circuit water Fig 9 Functional diagram of a boiler with plate heat exchanger MW 5000803 01 3 7 1 5 9 8 6 2 4 10 11 12 13 1 Boiler 2 Plate heat exchanger kit 3 Plate heat exchanger 4 Air vent 5 Drain valve 6 Heating circuit flow 7 Valve 8 Safety valve 9 Modulating circulating pump 10 Non return valve 11 Drain valve 12 Valve 13 Expansion vessel Fig 8 MW 5000804 02 4 Description of th...

Page 22: ...d NTC flue gas sensor The control panel blocks the gas supply to the burner in the event of overheating To resume normal operation of the boiler switch off the boiler and switch it back on again with the ON OFF switch Flame detector by ionisation The boiler is put into safety lock down in the event of gas shortage or incomplete cross lighting on the burner Hydraulic pressure switch Thanks to this ...

Page 23: ...ke of gas to the burner in the event of a blockage in the discharge pipe for the combustion products or the combustion air inlet pipe 4 3 Main components 4 3 1 POWER HT 1 130 and POWER HT 1 150 Fig 11 MW 5000720 2 19 20 21 18 17 14 15 8 5 6 4 13 12 10 22 23 24 25 1 7 9 11 16 3 2 26 1 Control panel 2 Flue gas connection 3 Flue gas measuring point 4 Controller PCB 5 Mounting point for a maximum of t...

Page 24: ...ting point for communication module OCI 345 Caution Danger of short circuit on the OCI 345 communication module if it is fixed in another emplacement 9 Mounting point for conversion module AGU 2 551 10 Gas valve 11 Ionisation probe 12 Burner 13 Ignition electrode 14 Flame inspection window 15 Safety thermostat on the combustion chamber door 16 Ignition transformer 17 Hydraulic pressure sensor 18 F...

Page 25: ...e 4 4 Control panel description 4 4 1 Description of the keys Shortcuts menu key Quick access to the operating modes MENU Menu key Selection and confirmation button Rotary button for navigating between menu or parameter screens Push button to select a menu parameter or to confirm a value action Fig 13 Burner for POWER HT 1 130 and POWER HT 1 150 MW 4000265 1 3 2 1 8 9 6 7 5 4 10 Fig 14 Burner for ...

Page 26: ...ve 1 2 3 2 Zone 2 active 1 2 3 3 Zone 3 active Symbol displayed No symbol heating circuit not connected Fixed symbol heating circuit connected Flashing symbol heating requested Operating mode Domestic hot water activated Important The heating 1 2 3 is off during production of domestic hot water Operating mode Comfort Eco override mode Operating mode Automatic according to the timer programs Sweep ...

Page 27: ...ge that includes A floor standing gas boiler An installation user and maintenance manual A data plate 4 6 Accessories options A detailed list of accessories and options can be found in our catalogue 4 Description of the product 7702630 v02 11082018 POWER HT 27 ...

Page 28: ...ifications Specification Unit Total output of the installation kW 70 70 200 200 550 550 Degree of acidity untreated water pH 7 5 9 5 7 5 9 5 7 5 9 5 7 5 9 5 Degree of acidity treated water pH 7 5 9 5 7 5 9 5 7 5 9 5 7 5 9 5 Conductivity at 25 C μS cm 800 800 800 800 Chlorides mg litre 50 50 50 50 Other components mg litre 1 1 1 1 Total water hard ness 1 f 1 35 1 20 1 15 1 5 dH 0 5 20 0 0 5 11 2 0 ...

Page 29: ... Boiler model Working flow rate with the low loss header kit minimum flow rate litres hour POWER HT 1 130 2250 POWER HT 1 150 3000 POWER HT 1 200 3500 POWER HT 1 250 4500 1 Q flow rate litres hour 2 H pressure in millibar mbar 3 Operating water flow rate at nominal heat output 3730 litres hour where T 30 C 4 Operating water flow rate at nominal heat output 5600 litres hour where T 20 C 5 Operating...

Page 30: ...millibar mbar 3 Operating water flow rate at nominal heat output 7180 litres hour where T 30 C 4 Operating water flow rate at nominal heat output 10770 litres hour where T 20 C 5 Operating water flow rate at nominal heat output 14350 litres hour where T 15 C ΔT Temperature difference between the flow water and the return water in the boiler 5 3 Choice of the location Before mounting the boiler dec...

Page 31: ...the boiler Caution France Abide by the regulatory provisions of the Order of 23 June 1978 and the ATG C 321 4 5 3 1 Ventilation To allow the intake of combustion air sufficient ventilation must be provided in the boiler room for which the cross section and position must satisfy the regulations in force in the country in which the boiler is installed If the boiler is installed in closed premises re...

Page 32: ... HT 1 200 1100 500 750 800 1000 POWER HT 1 250 1100 500 750 800 1000 Clearance to be provided for boilers equipped with a low loss header kit plate heat exchanger kit or cascade kit Tab 15 Boiler model A B C D E POWER HT 1 130 1100 500 400 500 1000 POWER HT 1 150 1100 500 400 500 1000 Fig 22 MW 4000216 02 E C A D B Fig 23 MW 4000217 02 C A B E D 5 Before installation 32 POWER HT 7702630 v02 110820...

Page 33: ... covers the following characteristics On a façade of the area to be heated on the north if possible Half way up the wall of the area to be heated Under the influence of changes in the weather Protected from direct sunlight Easy to access Fig 25 MW 8800N001 3 2 1 2 1 1 2 H 1 2 H min 2 5 m 1 2 H min 2 5 m 1 2 Z H Z 1 Optimum location 2 Possible position H Inhabited height controlled by the sensor Z ...

Page 34: ...t the pallet carrying the appliance using a pallet truck a forklift truck or a 4 wheel removals cart Do not use the top cover of the appliance for transport lifting Transport the appliance vertically Unpacking initial preparation 1 Remove the cardboard packaging and polystyrene packing Fig 27 20 MW 2000774 1 Fig 28 MW 2000775 2 1 5 Before installation 34 POWER HT 7702630 v02 11082018 ...

Page 35: ... slots provided 3 Lift and tilt the control panel 4 Disconnect the earth wire 5 Pull and lift the top panel Fig 29 MW 2000776 2 2 Fig 30 3 MW 2000777 1 Fig 31 MW 2000778 1 4 Fig 32 MW 2000779 1 5 5 Before installation 7702630 v02 11082018 POWER HT 35 ...

Page 36: ...or slings not provided to move the boiler Sling attachment angle β 60 POWER HT 1 130 126 kg POWER HT 1 150 132 kg Caution Moving the boiler is a job for two people 9 Close the boiler 1 Adjustment range for the feet 30 mm 10 Level the boiler using the adjustable feet Fig 33 6 MW 2000780 1 7 7 Fig 34 100 kg MW 2000781 1 8 8 8 Fig 35 10 MW 2000782 2 1 5 Before installation 36 POWER HT 7702630 v02 110...

Page 37: ...pallet truck a forklift truck or a 4 wheel removals cart Do not use the top cover of the appliance for transport lifting Transport the appliance vertically Unpacking initial preparation with rails 1 Remove the cardboard and the polystyrene packing 2 Remove the protective plastic Fig 36 20 MW 2000773 1 Fig 37 MW 2000765 2 1 2 5 Before installation 7702630 v02 11082018 POWER HT 37 ...

Page 38: ...irmly on the slots provided 4 Remove the 2 unloading rails by unscrewing the 4 screws 5 Rotate the 2 rails by 180 Fig 38 MW 2000766 2 3 Fig 39 MW 2000767 2 4 Fig 40 MW 2000768 1 5 180 5 Before installation 38 POWER HT 7702630 v02 11082018 ...

Page 39: ...pallet Caution Ensure there is sufficient space to move the boiler 7 Remove the four screws attaching the boiler to the pallet Fig 41 MW 2000769 2 6 6 4x i Fig 42 MW 2000770 2 7 7 7 7 5 Before installation 7702630 v02 11082018 POWER HT 39 ...

Page 40: ... 1 250 232 kg Caution Moving the boiler is a job for two people 9 Close the boiler 1 Adjustment range for the feet 20 mm 10 Level the boiler using the adjustable feet Fig 43 MW 2000771 2 200 kg 8 Fig 44 MW 2000772 2 10 1 5 Before installation 40 POWER HT 7702630 v02 11082018 ...

Page 41: ...Remove the cardboard and the polystyrene packing 2 Remove the protective plastic 3 Remove the front panel by pulling firmly on the slots provided Fig 45 MW 2000765 2 1 2 Fig 46 MW 2000766 2 3 5 Before installation 7702630 v02 11082018 POWER HT 41 ...

Page 42: ...t and tilt the control panel 5 Disconnect the earth wire 6 Pull and lift the top panel Fig 47 MW 4000295 1 4 Fig 48 MW 4000296 1 5 Fig 49 6 MW 4000297 1 5 Before installation 42 POWER HT 7702630 v02 11082018 ...

Page 43: ...screws attaching the boiler to the pallet 9 Use slings not provided to move the boiler Sling attachment angle β 60 POWER HT 1 200 212 kg POWER HT 1 250 232 kg Caution Moving the boiler is a job for two people 10 Close the boiler Fig 50 8 8 8 8 MW 4000298 1 7 Fig 51 MW 4000299 1 200 kg 9 5 Before installation 7702630 v02 11082018 POWER HT 43 ...

Page 44: ...11 Level the boiler using the adjustable feet 1 Adjustment range for the feet 20 mm Fig 52 MW 4000300 2 11 1 5 Before installation 44 POWER HT 7702630 v02 11082018 ...

Page 45: ...T 34 1a 119 2a 1 2 31 26 24 33 25 1 Boiler flow 2 Heating pump 24 Domestic hot water tank exchanger primary inlet 25 Domestic hot water tank exchanger primary outlet 26 DHW load pump 31 Independent domestic hot water tank 119 Boiler return 6 Connecting diagrams 7702630 v02 11082018 POWER HT 45 ...

Page 46: ...Fig 54 Connection example with a solar domestic hot water tank MW 1000023 03 6 Connecting diagrams 46 POWER HT 7702630 v02 11082018 ...

Page 47: ...nit for boilers in cascade Fig 56 Connection example for boilers in cascade with domestic hot water tank and several heating circuits equipped with room temperature thermostats including underfloor heating circuits MW 1000025 03 OCI 345 OCI 345 OCI 345 OCI 345 OCI 345 RVS 46 OCI 345 Optional interface unit for boilers in cascade RVS 46 Connection option for underfloor heating 6 Connecting diagrams...

Page 48: ...des of practice and the recommendations in this manual 7 2 Accessing the internal boiler components 1 Remove the front panel by pulling firmly on the notches provided 2 Lift and tilt the panel holding the control panel Fig 57 MW 4000259 2 1 Fig 58 MW 4000260 1 2 7 Installation 48 POWER HT 7702630 v02 11082018 ...

Page 49: ... wire 4 Pull and lift the top panel 5 Unhook the panel holding the control panel then place it on the boiler Fig 59 MW 4000261 1 3 Fig 60 MW 4000262 1 4 Fig 61 MW 4000263 1 5 5 7 Installation 7702630 v02 11082018 POWER HT 49 ...

Page 50: ... the expansion vessel between the stop valves and the boiler Always install a safety valve calibrated to 6 bar on the heating circuit The safety valve can be connected to a venting pot The safety valve must not be used to drain the heating circuit See In the case of an assembly with a low loss header use the assembly instructions for the low loss header If using a cascade kit use the assembly inst...

Page 51: ...r s inlet and outlet valves not provided Important To facilitate maintenance work we recommend mounting a stop valve on the heating flow and return pipes Caution Position the safety valve between the boiler and the stop valve 5 Fit the circulating pump on the heating return pipe circulating pump not provided Fig 63 1 MW 4000266 1 2 Fig 64 4 3 MW 4000267 1 Fig 65 5 MW 4000268 1 7 Installation 77026...

Page 52: ... s heating flow output 3 Screw the heating circuit return bracket onto the boiler s heating return output 4 Mount the filling and drain valves to the boiler s inlet and outlet valves not provided Important To facilitate maintenance work we recommend mounting a stop valve on the heating flow and return pipes Caution Position the safety valve between the boiler and the stop valve Fig 66 MW 5000808 2...

Page 53: ...librated to 0 6 MPa 6 bar Average water temperature 70 C Heating circuit flow temperature 80 C Heating circuit return temperature 60 C Filling pressure in the system lower than or equal to the initial pressure in the expansion vessel 7 3 3 Connecting the condensate discharge pipe The condensate discharge pipe is located inside the boiler Do not block the condensate discharge pipe Set the discharge...

Page 54: ...main gas valve before starting work on the gas pipes The gas pipes are not provided Danger The diameters of the pipes must be defined in accordance with the standards in force in your country 1 Remove the anti dust plug located on the boiler s gas inlet 2 Fit a gas stop valve not provided on the boiler s gas inlet G1 1 2 3 Connect the gas inlet pipe to the gas stop valve Caution Ensure that there ...

Page 55: ... must not be plan ned on opposite walls of the building C63 The maximum pressure drop in the pipes ΔP must not exceed the values given in the table below The pipes must be certified for this type of use and for a temperature of more than 100 C The terminal part of the flue gas pipe must be certified as complying with the EN 1856 1 Standard If installing discharge and intake pipes not supplied by B...

Page 56: ...ut of the wall by at least 18 mm to allow fitting of the aluminium rosette and its sealing unit and thus prevent any infiltration of water Insertion of a 90 elbow reduces the total length of the pipe by 1 metres Insertion of a 45 elbow reduces the total length of the pipe by 0 5 metres The first 90 elbow is not taken into account in calculating the maximum length available 7 5 3 Flue gas system ac...

Page 57: ... s Caution Be careful that the discharge pipe outlet for combustible products is not directed towards a habitation zone B23p configuration All countries except Italy Ventilation of the premises in accordance with the NFP 45 204 or DTU 61 1 standard Italy Ventilation of the premises in accordance with the UNI CIG 7129 2001 standard All countries Lengths L1 L2 and L3 are obtained with Centrotec pipe...

Page 58: ...23 L3 2m 2 elbows L1 L2 flexible m 7 9 19 13 L3 5m 2 elbows L1 L2 rigid m 17 23 36 19 L3 5m 2 elbows L1 L2 flexible m 6 15 10 Configuration C13 Important Pipes subject to technical evaluation 14 08 1289 Fig 77 MW 4000280 1 1 3 4 L L L L 2 130 150 kW 200 250 kW 1 3 4 L L L L 2 Tab 21 Maximum length for configuration C13 Configuration Unit POWER HT 1 130 POWER HT 1 150 POWER HT 1 200 POWER HT 1 250 ...

Page 59: ... Ø 110 Ø 160 Ø 160 5 m L 8 L 8 L 20 L 11 6 m L 8 L 8 L 22 L 12 7 m L 6 L 6 L 16 L 6 8 m L 7 L 7 L 20 L 9 Configuration C53 Important Pipes subject to technical evaluation 14 08 1289 Tab 23 Maximum length for configuration C53 Configuration Unit POWER HT 1 130 POWER HT 1 150 POWER HT 1 200 POWER HT 1 250 mm Ø 110 Ø 110 Ø 160 Ø 160 9 m L1 L2 max 20 L1 max 10 L1 L2 max 20 L1 max 10 L1 L2 max 42 L1 L2...

Page 60: ...e various electrical cables far enough from the heating pipes so that they cannot be damaged by the effect of the heat 7 6 2 Recommended cable cross section Decide on the cable according to the following information Distance of the appliance from the power source Upstream protection Neutral operating conditions Tab 24 Specifications of the power cable and the power source Cable cross section 3 x 1...

Page 61: ... that the wire is attached by pulling it gently upwards If it comes out of the housing repeat step 3 7 6 4 Description of the power supply terminal block Fig 83 MW 1000015 06 1 2 3 4 Aux 1 2 230 V TA TS L N T1 T2 L L N N S1 S2 L N 2 4 6 8 5 7 1 3 1 Power supply 230 V 50 Hz 2 Power supply auxiliary circuit 1 Fig 81 MW 3000038 05 2 Fig 82 MW 3000039 04 3 7 Installation 7702630 v02 11082018 POWER HT ...

Page 62: ... circumstances The sum of the currents from all outlets must not exceed 6 3 A 7 6 5 Description of the sensor terminal block Fig 84 MW 1000016 05 1 1 2 1 2 3 1 2 1 2 3 2 3 1 2 3 4 5 6 8 7 1 Auxiliary sensor 1 BX3 flow sensor cascade return connection 2 Auxiliary sensor 2 BX2 heating circuits collector flow sensor connection 3 Outside sensor 4 Domestic hot water sensor BX1 5 Room temperature sensor...

Page 63: ... 7 7 1 POWER HT 1 130 and POWER HT 1 150 Before filling the heating installation rinse it thoroughly 1 Open the plug on the automatic air vent 2 Fill the heating system until you reach a pressure of between 0 15 and 0 2 MPa 1 5 and 2 bar 3 Check the tightness of the hydraulic connections 4 Completely vent the heating circuit for optimum running For more information see Flushing new installations a...

Page 64: ...p flux 2 Thoroughly flush the installation until the water runs clear and shows no impurities 7 7 4 Flushing an existing installation 1 Remove any sludge from the installation 2 Flush the installation 3 Clean the installation with a universal cleaner to eliminate debris from the system copper hemp flux 4 Thoroughly flush the installation until the water runs clear and shows no impurities 7 7 5 Fil...

Page 65: ... in the room in which the system is installed 9 Check the flue gas connections 10 Test the boiler at full load 11 Test the boiler at part load 8 3 Commissioning procedure 8 3 1 Checking the gas inlet Danger Ensure that the boiler is switched off 1 Open the main gas valve 2 Open the gas valve on the boiler 3 Open the front panel 4 Check the gas supply pressure at the pressure outlet on the gas valv...

Page 66: ... for 5 seconds Synchronisation between the boiler and the control panel is running and shows its progress from 1 to 100 Synchronisation may take several minutes 3 Select the language 4 Set the date and time 5 Configure the parameters for the installation 312 Deaeration apprx 10min function This function enables the air inside the heating circuit to be removed once installation is complete after ma...

Page 67: ...ing to the gas type Use the button to select and modify the parameter 5 Confirm the setting by pressing the button 6 Select the Burner control menu by turning the button 7 Modify parameters 9512 Required speed ignition 9524 Required speed LF and 9529 Required speed HF according to the gas type Use the button to select and modify the parameters Fan speed according to gas type Tab 26 Fan speed for g...

Page 68: ... 6900 5300 6150 9512 Required speed ignition ignition rpm 2500 2500 2200 2200 Tab 29 Fan speed for gas type G27 Parameter Output Unit POWER HT 1 130 POWER HT 1 150 POWER HT 1 200 POWER HT 1 250 9524 Required speed LF minimum rpm 1550 1800 1450 1570 9524 Required speed LF minimum for boil ers in cascade rpm 1550 1800 1450 1570 9529 Required speed HF 2441 Fan speed heating max maximum rpm 5800 6900 ...

Page 69: ...303 function appears 4 Turn the button to select Full load 5 Press the button to adjust the setting 6 Confirm the selection by pressing the button Fig 89 MENU Régime manuel Fonction de ramonage Fonction d arrêt régulation MW 4000282 FR 01 Fig 90 MENU Fonction d arrêt régulateur Fonction de ramonage MW 4000283 FR 01 Fig 91 MENU Pleine charge 303 Fonct ramonage Puissance brûleur Régler MW 4000284 FR...

Page 70: ...put to 100 at full load 10 Measure the percentage of CO2 in the flue gases 11 Compare the values measured with the set point values in the Control and setting values table 12 If necessary adjust the air gas ratio using the gas flow rate adjustment screw Important Turn the gas adjustment screw clockwise to reduce the CO2 content Turn the gas adjustment screw counter clockwise to increase the CO2 co...

Page 71: ...t point connection 7 Connect the flue gas analyser to the connection on the left Important Ensure that the opening around the sensor is completely sealed when taking measurements POWER HT 1 130 and POWER HT 1 150 Insert the sensor into the flue gas measurement point to at least 8 cm 8 Set the boiler s heat input to 0 9 Measure the percentage of CO2 in the flue gases 10 Compare the values measured ...

Page 72: ...l heat input Number of turns for the gas flow rate set tings screw Minimum heat input Number of turns for the OFFSET set tings screw POWER HT 1 130 4 1 4 2 POWER HT 1 150 4 2 1 2 POWER HT 1 200 1 1 4 7 3 4 POWER HT 1 250 1 3 8 8 5 8 1 Gas flow rate setting screw The settings screw is screwed down as far as it will go and is then unscrewed according to the number of turns given in the above table 2...

Page 73: ...the required gas on the gas valve outlet 7 Replace the O ring 8 Proceed to refit the valve by reversing the steps above 9 Check the tightness using a leak detector spray 10 Replace the gas setting label with the one delivered with the boiler and tick the corresponding gas setting POWER HT 1 200 and POWER HT 1 250 Caution Only a fully trained qualified professional may carry out the following opera...

Page 74: ...least 6 seconds 3 Select the Commissioning menu by turning the button 4 Confirm the menu selection by pressing the button Important Press the MENU key to return to the main display The parameters for the Commissioning mode can now be accessed Use the button to select and modify them 9 2 Starting up the boiler 1 Open the gas cock Fig 98 MW 3000052 EN 02 MENU 14 13 1 5 bar 18 February 2014 Tuesday M...

Page 75: ... The electronic management system of the boiler includes protection against frost If the water temperature falls below 5 C the burner starts up in order to provide a water temperature of 30 C This function only works if the boiler is turned on the gas supply open and the hydraulic pressure correct 9 4 1 Activating the Off 1 Press the key to access the shortcuts menu 2 Select the parameter Central ...

Page 76: ...n On activates the function Off exits the function To activate a special function 1 From the main menu simultaneously press the MENU keys for approximately 6 seconds The name of the functions 301 303 304 312 flashes 2 Turn the button to select the required function 3 Press the button to activate the selected function 4 Confirm the selection by pressing the button The menu for the selected function...

Page 77: ...n Comfort mode The symbols 1 2 3 and are displayed Reduced The heating is activated in Eco mode The symbols 1 2 3 and are displayed Timed The heating operates according to the defined tim er programs The symbols and 1 2 3 are displayed Off The boiler is shut down and frost protection is ac tive The symbol is displayed Room temperature CH1 Room temperature set point in comfort mode Hot water heatin...

Page 78: ...number of the After Sales Service 10 1 3 List of user parameters Tab 39 Structure of the user menu Menu Feature Set time and date Setting the time and date Operator section Change Language Programming lock Time program Time hot water Predefined or custom programs with a maximum of 3 comfort or domestic hot water production ranges for each 24 hours Holiday Settings Eco heating or frost protection m...

Page 79: ...g the days or group of days for the timer program 574 Mon Sun Selecting a default timer program 561 1st Time ON Start of timer period 1 562 1st Time OFF End of timer period 1 563 2nd Time ON Start of timer period 2 564 2nd Time OFF End of timer period 2 565 3rd Time ON Start of timer period 3 566 3rd Time OFF End of timer period 3 576 Default values Reset the timer programming parameters Yes No Ta...

Page 80: ...ependent on the timer pro gram Reduced the room temperature set point is the reduced set point Parameters 712 1010 1310 On the room temperature set point is the comfort set point Parameters 710 1010 1310 On 710 1010 1310 Comfort setpoint 20 C 712 1012 1310 Reduced temp setpoint 16 C 10 1 4 List of installer parameters Tab 46 Structure of the installer menu Menu Sub menu Installer Operator section ...

Page 81: ...r number Parameter Description Unit Factory set ting Heating circuit 1 Heating circuit 2 Heating circuit 3 714 1014 1314 Frost protection setpoint C 6 720 1020 1320 Heating curve slope Heating curve gradient The regulator calcu lates the flow temperature set point which is used for the control system according to out side weather conditions Heating circuit 1 1 5 Heating circuit 2 1 5 Heating circu...

Page 82: ...noperative Curing functional heating Active for 7 days 3 days at 25 C and 4 days at 55 C Curing heating Active for 18 days 6 days from 25 C to 55 C increasing by 5 C a day 6 days at 55 C 6 days from 55 C to 25 C diminishing by 5 C a day Functional curing heating Functional Heat ing cycle first and then Ready for Occupa tion Manually Regulation is based on the Man ual Control Drying set point S Off...

Page 83: ...nction is running 45 C 1680 Optg mode changeover In cases of external switching via the Hx inputs the regime to which the switch must be made must first be defined None Off None Tab 50 Boiler Settings menu Parameter number Parameter Description Unit Factory set ting 2214 Setpoint manual control In manual mode the flow temperature set point can be set to a fixed value C 80 C 2441 Fan output heating...

Page 84: ...tion of the domestic hot water sensor Hot water sensor B3 Domestic hot water sensor for tank Thermostat The sensor used for domestic hot water is a thermostat Hot water sensor B3 5731 HW controlling element Type of actuator for controlling the domestic hot water requirement No charging request No function Charging pump Domestic hot water loading is done with a pump Diverting valve Domestic hot wat...

Page 85: ...ay is controlled according to the settings on timer program 5 Buffer return valve Y15 Solar pump ext exch K9 Solar ctrl elem buffer K8 Solar ctrl elem swi pool K18 Contact for heating the swimming pool with solar energy if using several heat exchangers Cons circuit pump VK2 Q18 Cascade pump Q25 Boiler pump common to all boilers in a cas cade St tank transfer pump Q11 Hot water mixing pump Q35 HW i...

Page 86: ...rn sensor B70 Cascade return sensor Swimming pool sensor B13 Swimming pool sensor Solar flow sensor B63 Solar flow sensor for measuring efficiency Solar return sensor B64 Solar return sensor for measuring efficien cy Primary exch sensor B26 None 5932 Sensor input BX3 See Sensor input BX2 None 5970 Function input H4 None Default setting for boilers with domestic hot water tank Flow measurement Hz D...

Page 87: ...resource Operating level HW The temperature level can be adjusted by a contact external timer program rather than by the internal timer pro gram Operating level CH1 The temperature level can be adjusted by a contact external timer program rather than by the internal timer pro gram Operating level CH2 The temperature level can be adjusted by a contact external timer program rather than by the inter...

Page 88: ...tr system pump Not used Without 6024 Funct input EX21 module 1 6026 Funct input EX21 module 2 6028 Funct input EX21 module 3 None Limit thermostat CH None 6030 Relay output QX21 module 1 6033 Relay output QX21 module 2 6036 Relay output QX21 module 3 See QX1 relay outlet without 6031 Relay output QX22 module 1 6034 Relay output QX22 module 2 6037 Relay output QX22 module 3 See QX1 relay outlet wit...

Page 89: ...ase indicating the place where the error occurred 6710 Reset alarm relay Alarm relay reset 6800 History 1 Last error that occurred 6805 SW diagnostic code 1 Last troubleshooting code that occurred 6806 Burner control phase 1 Last locking phase indicating the place where the error occurred 6810 6996 History 2 to History 20 Fault history Tab 55 Service special operation menu Parameter number Paramet...

Page 90: ... central heating CH3 8003 State hot water 8005 State boiler 8007 State solar 8008 State solid fuel boiler 8009 State burner 8010 State buffer 8011 State swimming pool Tab 57 Diagnostics heat generation menus Parameter num ber Parameter Description 8310 Boiler temperature Control temp Value displayed 8311 Boiler setpoint Control setpoint 8313 Control sensor 8314 Boiler return temp 8315 Boiler retur...

Page 91: ... can be modified 5 Modify the parameter by turning the button 6 Confirm the setting by pressing the button 7 Set the other parameters if necessary Important Press the MENU key to return to the main display 10 2 2 Selecting the language 1 Press the MENU key to access the parameters 2 Select the Operator section menu by turning the button 3 Confirm the menu selection by pressing the button The Chang...

Page 92: ...ENU key to return to the main display 10 2 5 Setting the room temperature set point On mode 1 Press the key to access the shortcuts menu 2 Select the parameter Room temperature CH1 by turning the button 3 Press the button to confirm 4 Turn the button to modify the temperature set point 5 Press the button to confirm Important Press the MENU key to return to the main display 10 2 6 Modifying the dom...

Page 93: ...irm the menu selection by pressing the button The room temperature set point Reduced mode flashes 6 Turn the button to modify the temperature set point 7 Press the button to confirm Important Press the MENU key to return to the main display 10 2 9 Programming a Holiday period This series of functions is used to program the boiler s behaviour in holiday periods or during prolonged absences The vari...

Page 94: ...onth of the holiday period with the button 13 Confirm by pressing the button 14 Select the Operating level parameter by turning the button 15 Confirm the menu selection by pressing the button 16 Select the boiler s operating mode during the holiday period by turning the button 17 Confirm the menu selection by pressing the button Fig 110 MW 3000073 EN 02 MENU Period 1 Holiday heating CH1 Preselecti...

Page 95: ...firm the heat input Important Press the MENU key to return to the main display and reactivate the control system 10 2 11 Selecting a heating circuit The control panel can manage up to three different heating circuits 1 From the home screen turn the button to select one of the three heating circuits available 2 Press the button to confirm 3 Turn the button to temporarily modify the temperature set ...

Page 96: ...er modification It is necessary to enter a temporary unlocking phase to modify the parameter Programming lock This parameter enables parameter modification to be locked unlocked 1 Press the MENU key to access the user parameters menu 2 Press the key and the button simultaneously for around 6 seconds Important Unlocking is temporary and lasts 1 minute temporarily unlocked is displayed 3 Press the M...

Page 97: ... and the parameters Select days 560 for domestic hot water Pre setting selected Days programmed Mon Sun Monday Tuesday Wednesday Thursday Friday Satur day Sunday Mon Fri Monday Tuesday Wednesday Thursday Friday Sat Sun Saturday Sunday Mon Monday Tue Tuesday Wed Wednesday Thu Thursday Fri Friday Sat Saturday Sun Sunday 1 Period of operation at the comfort temperature 2 Period of operation in reduce...

Page 98: ...562 563 564 565 566 domestic hot water Single days Pre set programs On 1 Off 1 On 2 Off 2 On 3 Off 3 Monday Tuesday Wed nesday Thursday Friday Saturday Sunday 06 00 08 00 11 00 13 00 17 00 23 00 Selecting a Timer Program 1 Select a heating circuit 2 Press the MENU key to access the parameters 3 Select the Time central heating CH1 menu by turning the button Important For heating circuits 2 and 3 se...

Page 99: ...me range by turning the button 11 Confirm the time range selection by pressing the button Important Press the MENU key to return to the main screen For more information see Copying a time range page 101 Customising the time ranges 1 Select a heating circuit 2 Press the MENU key to access the parameters Fig 123 MW 3000130 EN 02 MENU Mon Sun Time central heating CH1 Select days Fig 124 MW 3000131 EN...

Page 100: ...on 8 Select the parameter 1st Time ON 501 521 541 or 561 by turning the button 9 Confirm the menu selection by pressing the button The beginning of the first time range flashes 10 Select the end of the first time range by turning the button Important Select the value in order not to program a first time range 11 Confirm the value programmed by pressing the button Fig 126 MW 3000071 EN 03 MENU Info...

Page 101: ... 543 or 563 3rd Time ON 505 525 545 or 565 End of the time range 1st Time OFF 502 522 542 or 562 2nd Time OFF 504 524 544 or 564 3rd Time OFF 506 526 546 or 566 Important Press the MENU key to return to the main screen For more information see Copying a time range page 101 Copying a time range Important It is possible to copy a time range from one day to another It is not possible to copy a time r...

Page 102: ...515 535 555 or 575 by turning the button 10 Confirm the menu selection by pressing the button The parameter Copy to appears 11 Select a target day by turning the button 12 Confirm the menu selection by pressing the button Important Repeat the copy to other days if necessary Press the MENU key to return to the main screen For more information see Selecting a heating circuit page 95 Selecting a Time...

Page 103: ...s 4 Select the parameter Default values 516 536 556 or 576 by turning the button 5 Confirm the parameter selection by pressing the button The parameter No flashes 6 Select the parameter Yes by turning the button 7 Confirm the parameter selection by pressing the button Important Press the MENU key to return to the main screen The reset to zero of the timer program is effective Fig 136 MW 3000071 EN...

Page 104: ...arameter Description Setting 3540 Auto source seq ch over Operating time before the auto matic change of the master boiler sequence Number of hours 3541 Auto source seq exclusion Exclusion of the boiler or boilers from the periodic sequence rota tion First First and last Last None 10 3 Accessing the information menu 1 Go to the parameters menu by pressing the MENU key 2 Select the Information menu...

Page 105: ...utward appearance and tightness of the gaskets on the gas circuit and the combustion circuit 2 Check for any impurities inside the combustion chamber Use a vacuum cleaner for any cleaning work 3 Check the condition of the insulation in the door and at the bottom of the combustion chamber and the condition of the gaskets on the combustion chamber door 4 Check the condition and position of the ignit...

Page 106: ...t the ignition electrode and the flame detection sensor 7 Disconnect the 2 wires from the safety thermostat on the combustion chamber door and the pin under the ignition electrode Fig 140 5 5 MW 2000783 01 Fig 141 6 6 MW 2000784 01 Fig 142 7 7 MW 2000785 01 11 Maintenance 106 POWER HT 7702630 v02 11082018 ...

Page 107: ... gas valve 9 Remove the nuts holding the burner in place on the heat exchanger 10 Remove the screws securing the gas inlet tube elbow Fig 143 MW 4000314 01 8 8 Fig 144 9 MW 2000786 02 10 11 Maintenance 7702630 v02 11082018 POWER HT 107 ...

Page 108: ...00 and POWER HT 1 250 1 Switch off the mains supply to the boiler 2 Close the gas inlet valve 3 Close the valves on the heating circuits 4 Access the internal boiler components 5 Disconnect the power and command cables on the fan Fig 145 11 MW 2000787 02 Fig 146 MW 2000804 01 5 11 Maintenance 108 POWER HT 7702630 v02 11082018 ...

Page 109: ...onnect the 2 wires from the safety thermostat on the combustion chamber door and the pin under the ignition electrode 8 Remove the gas valve connector Fig 147 MW 2000805 01 6 6 Fig 148 MW 2000806 01 7 7 Fig 149 MW 2000807 01 8 11 Maintenance 7702630 v02 11082018 POWER HT 109 ...

Page 110: ...hose pipe 10 Remove the gas valve pipe 11 Remove the hose collar 12 Remove the air supply Fig 150 MW 2000808 01 9 10 Fig 151 MW 2000809 01 11 Fig 152 MW 2000810 01 12 11 Maintenance 110 POWER HT 7702630 v02 11082018 ...

Page 111: ...13 Remove the 2 nuts 14 Remove the nuts holding the burner in place on the heat exchanger Fig 153 MW 2000811 01 13 Fig 154 MW 2000812 01 14 14 11 Maintenance 7702630 v02 11082018 POWER HT 111 ...

Page 112: ...heat exchanger 1 Remove the door 2 Vacuum up any combustion residue 3 Clean using a nylon brush Warning Only use a nylon brush Do not use a metal brush Using a metal brush will irreparably damage the heat exchanger Fig 155 MW 2000813 01 15 Fig 156 2 MW 2000789 01 Fig 157 MW 2000790 01 3 11 Maintenance 112 POWER HT 7702630 v02 11082018 ...

Page 113: ...arried out if there is a high level of fouling and may be repeated several times 7 Leave to work for 3 to 5 minutes 8 Clean using a nylon brush Warning Only use a nylon brush Do not use a metal brush Using a metal brush will irreparably damage the heat exchanger Fig 158 4 MW 2000791 01 Fig 159 5 MW 2000792 01 Fig 160 MW 2000793 01 6 7 5 Fig 161 MW 2000794 01 8 11 Maintenance 7702630 v02 11082018 P...

Page 114: ...ab 65 L1 Boiler model Distances and tolerances to be observed for the flame detection electrode and the burner mm POWER HT 1 130 8 1 POWER HT 1 150 8 1 POWER HT 1 200 10 5 2 POWER HT 1 250 10 5 2 Important Replace the flame detection electrode if it is damaged 6 Check the distance between the ignition electrode and the burner Tab 66 L2 Boiler model Distances and tolerances to be observed for the i...

Page 115: ...charge pipe 5 Remove the screw retaining the siphon 6 Remove the siphon by pulling it towards you 7 Clean the bottom of the siphon with water 8 Completely fill the siphon 9 Refit the siphon and fit the screw to hold the siphon in place 10 Remount the burner Danger Fill the siphon to the top If the siphon is empty there is a danger of intoxication by exhaust gases POWER HT 1 200 and POWER HT 1 250 ...

Page 116: ...at on the combustion chamber door and the pin under the ignition electrode 6 Reconnect the ignition electrode and the flame detection sensor 7 Reconnect the power supply and command cables on the fan POWER HT 1 200 and POWER HT 1 250 Important Replace the sealing gaskets to ensure perfect leak tightness is maintained 1 Refit the assembly comprising the fan Venturi burner and gas valve 2 Refit the ...

Page 117: ...r and is connected in series to the safety thermostat The function of the thermal fuse is to ensure the protection of the heat exchanger against the danger of overheating if the insulation malfunctions Intervention by the device is signalled by the on screen display of the anomaly 110 Lockout SLT 1 Rear of the heat exchanger 2 Thermal fuse Important When replacing the thermal fuse also replace the...

Page 118: ...ck the combustion with reduced heat input 2 POWER HT 1 130 and POWER HT 1 150 coaxial pipes if necessary check the return into circulation of any combustion products The sensor will then be connected to the outlet connected to the combustion air intake circuit For more information see Setting the air gas ratio reduced heat input page 71 11 2 9 Cleaning the plate heat exchanger optional kit 1 Close...

Page 119: ...roduct 5 Flush through a neutralisation and passivation product 6 Rinse the plate heat exchanger with water until a pH of between 6 and 9 is reached Fig 174 MW 4000287 1 2 Fig 175 MW 4000288 1 3 Fig 176 MW 4000289 1 4 Fig 177 MW 4000290 1 6 11 Maintenance 7702630 v02 11082018 POWER HT 119 ...

Page 120: ...ning the low loss header optional kit POWER HT 1 130 and POWER HT 1 150 1 Lift the upper panel on the low loss header kit 2 Pull the upper panel on the low loss header kit to remove it Fig 178 MW 4000291 1 7 8 8 Fig 179 9 MW 4000292 1 Fig 180 MW 4000301 1 1 2 11 Maintenance 120 POWER HT 7702630 v02 11082018 ...

Page 121: ...ulating shell 6 Remove the magnetic ring 7 Place a container with sufficient capacity underneath the low loss header vent valve 8 Open the vent valve using the plug 9 Allow the flow to continue until no more dirt is present Fig 181 MW 4000302 1 4 3 Fig 182 MW 4000303 1 5 6 Fig 183 MW 4000304 1 7 8 11 Maintenance 7702630 v02 11082018 POWER HT 121 ...

Page 122: ...tion on the low loss header 13 Refit the two side panels on the low loss header kit 14 Ensure the two side panels are securely seated by pressing firmly on them Fig 184 MW 4000305 1 10 Fig 185 MW 4000306 1 12 11 Fig 186 MW 4000307 1 13 14 11 Maintenance 122 POWER HT 7702630 v02 11082018 ...

Page 123: ...header kit 16 Ensure the upper panel is securely seated by pressing firmly on it POWER HT 1 200 and POWER HT 1 250 1 Remove the insulating shell Fig 187 MW 4000308 1 16 15 Fig 188 MW 4000309 2 1 11 Maintenance 7702630 v02 11082018 POWER HT 123 ...

Page 124: ...h the low loss header vent valve 5 Open the vent valve 6 Allow the flow to continue until no more dirt is present 7 Close the vent valve 8 Refit the 2 magnetic bars in their housings 9 Refit the screw plugs Fig 189 MW 4000310 1 2 3 Fig 190 MW 4000311 1 5 4 Fig 191 MW 4000312 1 7 9 8 11 Maintenance 124 POWER HT 7702630 v02 11082018 ...

Page 125: ...e 6 3 A fuses on the electrical terminal blocks Danger of electric shock Before any work switch off the mains supply to the boiler 1 Pivot the fuse holder socket N towards you Fig 192 MW 4000313 1 10 Fig 193 MW 3000228 01 1 11 Maintenance 7702630 v02 11082018 POWER HT 125 ...

Page 126: ...lder socket with the eyelet 3 Take out the damaged fuse and replace it with an identical one 6 3 A 4 Check the fuse L proceeding in the same way Fig 194 MW 3000229 01 2 3 11 Maintenance 126 POWER HT 7702630 v02 11082018 ...

Page 127: ...e sensor 2 error 68 68 Room sensor 3 Room temperature sensor 3 error 78 78 Water pressure sensor Hydraulic pressure sensor error 73 73 Collector sensor 1 Solar collector sensor if incorporating a solar system 83 83 BSB short circuit Communication problem between boiler PCB and control unit Probable short circuit on the heating 84 84 BSB address collision Address conflict between several control un...

Page 128: ...ion not connected E110 110 Lockout SLT The code E110 is displayed when overheating occurs due to a breach in the insulation Remove the heat exchanger Replace the insulation behind the burner bracket Replace the safety thermofuse behind the heat exchanger Important This list is not exhaustive Other error codes may be displayed Contact the accredited technical support service Error 110 Lockout SLT T...

Page 129: ...ws to restart the boiler 1 Unclip the HMI by hand then remove it from its support pull firmly on the slots at the bottom of the HMI 2 Press the red button RESET on the boiler for 1 second using a pointed object 3 Clip the HMI back onto its support 12 2 Accessing the error memory 1 Press the MENU key to access the parameters Fig 196 1 MW 4000273 2 Fig 197 MW 4000274 2 1 2 Fig 198 MW 4000275 2 3 Fig...

Page 130: ...aring If the symbol is displayed at the same time as the error code the error code is automatically cleared when the cause that prompted it stops A flow or return temperature in excess of the critical value prompts an error code The error code is automatically cleared when the temperature drops below the critical value 12 4 Clearing error codes If the probable cause of an error code is resolved bu...

Page 131: ... circulating inside it 6 Remove the pipe connecting the boiler to the chimney and close the nozzle with a plug 13 2 Recommissioning procedure Caution Only qualified professionals are authorised to carry out maintenance work on the boiler and the heating system Should it prove necessary to carry out the recommissioning of the boiler proceed as follows 1 Re establish electrical power to the boiler 2...

Page 132: ...ndly in terms of energy and offers an excellent level of comfort This combination allows you to set the temperature separately for each room However do not install thermostatic radiator valves in the room in which the room thermostat is located Complete opening and closing of the thermostatic radiator valves causes undesirable variations in temperature Therefore these must be opened closed progres...

Page 133: ...d to remove the boiler proceed as follows 1 Switch off the boiler 2 Cut the power supply to the boiler 3 Close the main gas valve 4 Close the water mains 5 Close the gas valve on the boiler 6 Drain the installation 7 Remove the air flue gas pipes 8 Disconnect all pipes 9 Dismantle the boiler Fig 201 MW 3000179 03 15 Disposal and recycling 7702630 v02 11082018 POWER HT 133 ...

Page 134: ...tional or local regulations and special provisions relating to the installation Our manuals and installation instructions in particular in terms of regular maintenance of the appliances Our warranty is limited to the replacement or repair of the parts found to be defective by our technical services team excluding labour transfer and transport costs Our warranty does not cover replacement or repair...

Page 135: ...chnological information contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations ...

Page 136: ...089 18 36061 BASSANO DEL GRAPPA VI ITALY Via Trozzetti 20 Servizio clienti Tel 39 0424 517800 Fax 39 0424 38089 www baxi it 7702630 v02 11082018 7702630 001 02 ...

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Baxi POWER HT+ 1.130, Installation, User And Service Manual

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