Ideal Heating LOGIC HEAT2 H12 Installation & Servicing Download Page 63

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Installation and Servicing

Summary of Contents for LOGIC HEAT2 H12

Page 1: ...Do not use reconditioned or copy parts that have not been clearly authorised by Ideal Heating For the very latest copy of literature for specification and maintenance practices visit our website idealheating com where you can download the relevant information in PDF format INSTALLATION SERVICING October 2022 UIN 228298 A04 LOGIC HEAT2 H12 H15 H18 H24 H30 ...

Page 2: ...r n a n a no no no no no B1 Boiler n a n a no no no no no Cogeneration Space Heater n a n a no no no no no Equipped with a Supplementary Heater n a n a no no no no no Combination Heater n a n a no no no no no Nominal Heat Output for Space Heating Full Load P4 kW 12 1 15 1 18 1 24 3 30 3 Part Load P1 kW 3 9 4 9 5 8 7 8 9 8 Auxiliary Electricity Consumption Full Load elmax kW 0 016 0 022 0 025 0 046...

Page 3: ...cts in relation to the building size and its characteristics Collector Size in m2 Tank Volume in m3 Collector Efficiency in Tank rating A 0 95 A 0 91 B 0 86 C 0 83 D G 0 81 Solar Contribution from fiche of solar device Seasonal Space Heating Energy Efficiency of Package TOTAL A B C Seasonal Space Heating Energy Efficiency Class of Package III x IV x x 0 9 x 100 x G G F E D C B A A A A 30 30 34 36 ...

Page 4: ... demand is present NOTES FOR THE INSTALLER WARNING Risk of injury or death CAUTION Risk of damage to objects Table of Acronyms CH Central Heating DHW Domestic Hot Water TRV Thermostatic Radiator Valve PRV Pressure Relief Valve IE Ireland ETCI Electro Technical Council of Ireland BS British Standard WRAS Water Regulations Advisory Scheme SAP Standard Assessment Procedure IEE Institution of Electric...

Page 5: ...lectrical Connections 29 2 24 Installer Wiring 29 2 25 Installer Wiring Continued 30 2 26 Installer Wiring Cont 31 2 27 Pump Overrun Install 31 2 28 Wiring Diagram 32 2 29 Commissioning and Testing 33 2 30 Initial Lighting 34 2 31 The Display 35 2 32 General Checks 35 2 33 General Checks Cont Water Circulation 36 2 34 Restart Procedure 36 2 35 Accessing the Installer Mode 37 2 36 Handing Over 37 S...

Page 6: ...nnection 15 mm copper compression Injector Size mm 4 15 4 15 4 15 4 15 4 65 Flow Connection Central Heating 22 mm copper compression Return Connection Central Heating 22 mm copper compression Flue Terminal Diameter mm 100 Average Flue Temp Mass Flow Rate 56ºC 5g s 56ºC 6g s 58ºC 8g s 63ºC 10g s 69ºC 13g s CO2 Content 0 7 Max CH 9 1 9 4 9 3 9 3 9 7 Min CH 8 5 8 8 8 7 8 4 8 8 Maximum Working Pressur...

Page 7: ...et temp measure record Hot water outlet temp measure record Water flow rate at max setting measure record For condensing boilers only Condensate drain 27 28 For all boilers Complete sign hand over to customer For UK to comply with Building Regulations Part L1 Part 6 in Scotland the boiler should be fitted in accordance with the manufacturer s instructions Self certification that the boiler has bee...

Page 8: ...This boiler may require 2 or more operatives to move it to its installation site remove it from its packaging base and during movement into its installation location Manoeuvring the boiler may include the use of a sack truck and involve lifting pushing and pulling Caution should be exercised during these operations Operatives should be knowledgeable in handling techniques when performing these tas...

Page 9: ...nfringe the Gas Safety Regulations 1 6 SAFE HANDLING OF SUBSTANCES No asbestos mercury or CFCs are included in any part of the boiler or its manufacture 1 7 LOCATION OF BOILER The boiler must be installed on a flat and vertical internal wall capable of adequately supporting the weight of the boiler and any ancillary equipment The boiler may be fitted on a combustible wall and insulation between th...

Page 10: ... to Section 2 20 1 9 GAS SUPPLY Consult the local gas supplier to establish an adequate supply of gas Do not use existing service pipes without consulting the local gas supplier The gas supply must be governed with a meter A gas meter can only be connected by the local gas supplier or a Gas Safe Registered Engineer An existing meter should be checked preferably by the gas supplier to ensure that t...

Page 11: ...ll the flue can be installed from inside the building where wall thicknesses do not exceed 600 mm Front Clearance The minimum front clearance when built in to a cupboard is 5 mm from the cupboard door but 450 mm overall clearance is still required with the cupboard door open to allow for servicing 395 Refer to Section 2 22 278 700 100 Flue terminal 2 5 2 5 from case 98 200 152 IMPORTANT Please ens...

Page 12: ...nd cylinder thermostats and programmer to NORMAL settings System Return Auto Air Vent The system should be vented directly off the boiler flow pipe as close to the boiler as possible The cold feed entry should be inverted and MUST be positioned between the pump and the vent and not more than 150 mm away from the vent connection Note Combined feed and vent pipes may also be fitted There should be a...

Page 13: ...er PRV 2 PRV A pressure relief valve PRV complying with the relevant requirements of BS 6759 must be fitted in the flow pipe as close to the boiler as possible and with no intervening valve or restriction The valve should have the following features a A non adjustable preset lift pressure not exceeding 3bar b A manual testing device c Provision for connection of a discharge pipe The valve or disch...

Page 14: ...may be filled by one of the following methods a Through a cistern used for no other purposes via a ball valve permanently connected directly to a service pipe and or a cold water distributing pipe The static head available from the cistern should be adequate to provide the desired initial system design pressure The cold feed pipe from the cistern should include a non return valve and a stop valve ...

Page 15: ...acturers instructions This boiler can be used with a water softener However the heating system should not be filled with softened water as any softening chemicals could enhance corrosion of certain materials in the heating system including aluminium and steel The heating system should always be filled from the bypass on the water softener installation Notes 1 It is most important that the correct ...

Page 16: ...LAMP RETAINING FLUE TURRET 228 HOSE CONDENSATE INTERNAL 229 SIPHON TRAP 231 CONDENSATE OUTLET CONNECTION 233 FLUE SENSING NIPPLE 301 CONTROLS BOX HINGES HARNESS CLIPS 302 PCB 304 CONTROL THERMISTOR FLOW RETURN 305 POTENTIOMETER BLANK KNOBS 306 ELECTRODE IGNITION 308 IGNITOR UNIT 309 FLOW THERMISTOR 313 IGNITION DETECTION LEAD 324 CONTROLS BOX LID 325 CONTROL BOX FRONT 401 HEAT ENGINE 404 ELBOW RET...

Page 17: ...lue outlet in Pack B is suppled as a separate order Pack A Contents 1 Boiler 2 Hardware Pack Box 3 Wall Mounting Plate 4 These Installation Users Instructions 5 Wall Mounting Template 6 Boiler Warranty Hardware Pack Box Contents 7 1x HP Box 180 x 111 x 57 5 mm 8 1x Gas Cock Accessory Bag Contents 9 1x Washers 10 2x Wall Plugs 11 2x Screws 11 9 10 1 2 3 4 6 5 Refer to valve washer template inside h...

Page 18: ...both the centre and the circumference of the flue duct 4 Remove the template plate from the wall 1 Check all of the hole positions before drilling 2 Cut the flue hole with a 127 mm core boring tool ensure the hole is square to the wall 3 Drill the 2 mounting holes with a 7 5 mm 8 mm masonry drill and insert the plastic plugs provided 4 Locate 2 No 14 x 50 mm screws in the wall mounting plate one a...

Page 19: ...deal part no 152258 Ideal part no 0 5 m 211037 1 m 203129 2 m 211038 Balcony flue kit Ideal part no 208177 Soffit kit Ideal part no 211302 Raised horizontal flue kit Ideal part no 208290 pitched roof 0 6 m 208171 0 8 m 217442 Ideal part no WARNING It is critical that products of combustion cannot re enter the building The flue terminal must always have a free passage of air CAUTION White sections ...

Page 20: ...00 mm 12 Horizontally from a terminal wall 300 mm 13 Horizontally from an adjacent window 600 mm 14 Facing an opening into an adjacent building 2000 mm 15 At an angle to the boundary 90 300 mm 45 600 mm 16 Parallel to a boundary 300 mm 17 Below ground level open light well a Below ground 1 000 mm b Above floor level 300 mm c From side 300 mm d From facing surface 600 mm Only one reduction down to ...

Page 21: ... 1000 3 2 1 600 3 4 5 1 2 2000 Opening in adjacent building 14 3 1 2 300 At an angle to the boundary 15 2 Parallel to the boundary 16 Facing the boundary 8 6 0 0 1 300 3 All measurements mm Boundary Boundary 600 Height Difference A Less than 300 B 300 Greater than 300 B 1500 300 625 fixed 2000 600 2000 690 Fixed Separation Distance B Height Difference A 300 600 600 2000 All measurements mm Refer t...

Page 22: ...ure the rubber seal is not damaged and fitted correctly on the appliance manifold 3 Firmly hold the flue and push the turret on until it has travelled 30 mm ensuring the flue has not rotated or moved forward 4 Push the turret into the manifold ensuring the upper plastic lip is flush with the top of the manifold 5 Fully engage the clamp location section into the manifold location hole and rotate do...

Page 23: ...urface 9 Hold the flue steady and push the inner wall seal towards the wall until Mark 2 is just visible FITTING THE FLUE THROUGH THE WALL External Installation 1 Follow steps 1 5 from above 2 Push the flue through the 127 mm core drilled hole from the outside 3 Return inside the property and fit the inner wall seal to the flue 4 Pull the flue internally until Mark 1 is flush with the inner wall s...

Page 24: ...lamp on the top face of the flue manifold and push it horizontally backwards Locate both clamp lugs into the flue manifold and secure to the flue manifold with the M5 retaining screw nm8739 min 25 o max 45 o MAX LENGTH 7 5m BOILER Flue Terminal weather collar pitched roof weather collar flat roof X 5 Push extension duct if required supplied separately into vertical connector Note Ensure turret sam...

Page 25: ...e terminal as shown below Once the flue is installed it is IMPORTANT that the rubber terminal wall seal is pressed against the outside wall to create an adequate seal between the flue and wall as shown below 205862 10072 Rubber Terminal Wall Seal 1 Measure and note wall thickness X 2 Add 8 mm to dimension X and measuring from the ring cut the outer tube only 3 To ensure the tube is cut square mark...

Page 26: ...ws is fitted into a top slot 8 Pull the flue assembly back through the wall mounting plate to seal against the outside wall face and ensure the 3 locating tabs are pulled through the wall mounting plate slots 9 Turn the plastic connector clockwise to lock the connector into the wall plate 10 Retain with the M5 screws provided 2 19 MOUNTING THE BOILER REAR FLUE OUTLET KIT 55 80 1 Remove the rear fl...

Page 27: ...point a condensate pump of a specification recommended by the boiler or pump manufacturer should be used terminating into a suitable internal foul water discharge point such as an internal soil and vent stack or internal kitchen or bathroom waste pipe etc External Drain Connections The use of an externally run condensate drainage pipe should only be considered after exhausting all internal termina...

Page 28: ...erminated and cut at 45º 43 mm 90º male female bend Water weather proof insulation 68 mm Ø PVCU Strap on fitting Boiler with 75 mm sealed condensate trap Boiler with 75 mm sealed condensate trap Min Ø 19 mm Internal pipe Min Ø 30 mm Internal pipe Water Weather proof insulation Max 3 m external pipework Limestone chippings 500 300 25 2 rows of three Ø12 mm holes 25 mm centres 50 mm from the bottom ...

Page 29: ...ent live supply or the boiler warranty will be invalid A mains supply of 230 V 50Hz is required The fuse rating should be 3 A All external controls and wiring must be suitable for mains voltage Wiring external to the boiler MUST be in accordance with the current I E E BS7671 Wiring Regulations and any local regulations Wiring should be 3 core PVC insulated cable not less than 0 75 mm2 24 x 0 2 mm ...

Page 30: ... thermostat should be wired into the system The frost thermostat should be sited in a cold place but where it can sense heat from the system Note If the boiler is installed in a garage it may be necessary to fit a pipe thermostat preferably on the return pipework Pump Overrun Logic Heat2 boilers do not have an integral pump and depend on a system pump for water circulation There are occasional ove...

Page 31: ...HW ON HW S PLAN VALVE CH S PLAN VALVE R S C S o PUMP BOILER L N MAINS IN SL 1 IN OUT LOGIC HEAT2 H BOILER WITH S PLAN SYSTEM 2 27 PUMP OVERRUN INSTALL 1 Isolate the power 2 Mount the flanged box near to the wiring centre 3 In the wiring centre disconnect the Pump Live and move it to a spare terminal 4 Connect the pump overrun box leads as follows BLACK to the terminal that you have just removed th...

Page 32: ... 6 1 2 3 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 1 2 3 4 5 5 4 3 2 1 X10 br b r bk r br bk b bk b r Chassis Earth b bk 4 p y bk b bk bk g y g y g y g y w 3 r DHW Turbine SV DHW Turbine Gnd DHW Turbine Signal 1 2 3 4 5 6 7 8 2 6 7 1 5 3 8 4 Return Thermistor Flow Thmr Weather Compensa on Open Therm Aperture Connector Chassis Connector bk r p gy bk v bk y b r bk v bk o gy v w v v o w gy r bk Key bk Black ...

Page 33: ...t pressure 2 Set up the boiler to operate at maximum rate by opening hot tap to maximum flow 3 With the boiler operating in the maximum rate condition check that the operational gas pressure at the inlet gas pressure test point complies with the requirements 4 Ensure that this inlet pressure can be obtained with all other gas appliances in the property working Refer to Gas Supply page 10 Gas Press...

Page 34: ...ence until the burner is established 10 If the boiler does not light then after 5 attempts the boiler will lock out and display fault code L 02 11 Press the Restart Button E The boiler will repeat its ignition sequence If Restart occurs 5 times within 15 minutes then L 0C will be shown If power is removed this will be restarted 12 When the burner is established the flame symbol D will be shown on ...

Page 35: ...specific error Display will show a number after the F to indicate which error is detected Boiler is active for boiler frost protection operates if the ambient temperature is below 5 C until it reaches 19 C N FP L 01 F 01 2 32 GENERAL CHECKS CENTRAL HEATING CH MODE 1 Ensure that the external controls are calling for heat The display should show 2 Gas Rate Check the boiler gas rate when the boiler i...

Page 36: ...ting systems 4 Refill and vent the system add inhibitor Refer to section 1 20 clear all air locks and again check for water soundness 5 Reset the system initial pressure to the design requirement 6 Balance the system 7 Check the condensate drain for leaks and check that it is discharging correctly 8 Finally set the controls to the User s requirements WATER TEMPERATURES Temperatures can be selected...

Page 37: ...nditions 4 Explain the function and the use of the boiler heating and domestic hot water controls 5 Explain the function of the boiler fault mode Emphasise that if a fault is indicated refer to Fault Codes in the User Guide 6 Explain and demonstrate the function of timers and temperature controls radiator valves etc for the economic use of the system After completing the installation and commissio...

Page 38: ...ue gas sampling point as shown in the diagram and measure CO and CO2 at maximum rate To set the boiler to Maximum and Minimum heat inputs Refer to Page 60 If the CO CO2 ratio is greater than 0 004 please proceed to Cleaning Procedure If the CO CO2 ratio is less than 0 004 please proceed to Check Procedure CHECK PROCEDURE 1 Check all water and gas joints for signs of leakage Remake any suspect join...

Page 39: ...assist fault finding the control panel has an LCD diagnostic display The key to boiler fault conditions is shown in Section 4 2 In order to replace components in Sections 3 17 and 3 19 it is necessary to drain the boiler Refer to Section 3 3 3 3 DRAINING THE BOILER CENTRAL HEATING CIRCUIT 1 Close all the CH water isolating valves on both the flow and return 2 To drain the primary heat exchanger ci...

Page 40: ...panel onto the top retaining clips 4 Push the panel until the 2 bottom spring clips engage ensuring the 1 knob and 2 buttons line up with the holes in the front panel 5 Re tighten the two retaining screws View from bottom of boiler View from top of boiler 1 2 3 1 Remove the two sump cover retaining screws 2 Remove the sump cover 3 Lift the manifold upwards to clear the sump 4 Move the manifold to ...

Page 41: ...crews and release the nozzle assembly 6 Inspect the injector for blockage or damage 7 Clean the outside of the injector and use a small flue brush to clean the injector hole Do not use anything abrasive such as a file 8 Remove the screw and twist venturi anti clockwise to remove venturi assembly noting the orientation of the venturi in relation to the fan body Injector Nozzle 9 Inspect fan outlet ...

Page 42: ...he left hand side of the boiler once it is in the vertical position 5 Carefully brush the ceramic burner with a soft non metallic bristle brush 1 1 Place thumb here Insert two fingers 1 SCAN for video 3 8 CLEANING THE HEAT EXCHANGER 1 Replace the sump cover prior to the water flush process 2 Thoroughly flush the heat exchanger by pouring water into the top of the combustion chamber ensuring the fu...

Page 43: ...m Straight edge 1 Remove the fan Refer to Section 3 6 2 Remove the flue manifold 3 Remove the burner Refer to Section 3 7 4 When servicing the boiler inspect the condition of the electrode and check the dimensions shown If there is damage to the electrode continue to follow steps below for replacment 5 Unplug the ignition lead from the electrode 6 Remove the earth lead from the electrode 7 Remove ...

Page 44: ...withdraw it from the boiler 3 Unclip the return thermistor from the return pipe and withdraw it from the boiler 2 3 4 Refer to Section 3 7 3 12 BURNER INJECTOR REPLACEMENT SCAN for video 3 13 BURNER REPLACEMENT Refer to Section 3 2 3 7 4 Reconnect the electrical lead to the new thermistors and reassemble in reverse order ensuring that the thermistor is securely fitted to the pipe on the thermistor...

Page 45: ...f the boiler Refer to Section 2 33 2 34 3 15 GAS CONTROL VALVE REPLACEMENT 1 Unplug the electrical lead connection from the gas control valve 2 Remove the outlet gas valve clip and slide the pipe upwards 3 Undo the gas inlet pipe union at the inlet to the gas valve 4 Undo the two screws fixing the gas valve to the chassis base and lift the gas valve upwards 5 Fit the new gas control valve ensuring...

Page 46: ...kW 18 kW 24 kW or 30 kW 15 Press Restart 16 The boiler type H gas type n output 12 15 18 24 30 and parameter set number will be shown in rotation If this is OK press Restart to complete the configuration otherwise switch mains power off to start again 17 Check that the boiler operates WARNING It is critical that the correct boiler size and fuel type is entered in to the boiler CAUTION Fit the eart...

Page 47: ...seal is in place Then gently apply pressure to the base of the sump at each tab fixing point and engage tabs onto the heat exchanger 15 Reassemble ensuring the heat exchanger is located correctly in the RHS retaining bracket Replace any new O rings supplied with new heat exchanger and replace gaskets or seals if any sign of damage is evident When replacing the spring clips located on the return pi...

Page 48: ...or Fault L 05 or F 05 Go to Section 4 9 Return Thermistor Fault F 06 Go to Section 4 10 Outside Sensor Fault F 07 Low Mains Voltage Contact Electricity Provider F 09 PCB Fault Replace PCB F 0A Go to Section 4 8 Flow Return Reversed F 0U Go to Section 4 14 Flow Return Differential greater than 50 C No CH but HW OK Go to Section 4 11 No HW but CH OK Go to Section 4 13 No Display Go to Section 4 12 F...

Page 49: ...h YES Is the Gas Pressure available at the Boiler Inlet 18 mbar Check the electrode and associated harness for continuity visual condition and position Check if the condensate pipe is blocked Replace as necessary NO Check gas supply and rectify fault NO YES Is approx 24Vdc supply available at the Gas Valve YES Check spark generator and associated harness for continuity and visual condition Are the...

Page 50: ...ociated harness for continuity and visual condition Are these functioning correctly YES Check electrode and associated harness for continuity visual condition and position Are these functioning correctly YES Check trap and condensate drain pipe work for blockage and rectify if necessary Boiler now working OK Check wiring from gas valve to PCB for continuity If the wiring is OK then replace the PCB...

Page 51: ...ure Resistance kΩ 25 o C 9 7 10 3 60 o C 2 4 2 6 85 o C 1 0 1 1 Is the Thermistor value correct YES Is the wiring securely connected to the low voltage 6 way connector at the front left hand side of the PCB YES Replace PCB Fit a new Thermistor NO Securely connect the wiring to the PCB Is the wiring securely connected to the Flow Thermistor Located in the Flow Pipe lower LHS of Boiler YES NO Secure...

Page 52: ... 4 10 F 06 OUTSIDE SENSOR FAULT Disconnect the wires to the outside sensor Check the resistance using a suitable multimeter connected across the Outside Sensor s terminal pins Temperature Resistance kΩ 0 o C 31 0 35 0 15 o C 15 0 16 5 30 o C 7 7 8 5 Is the Outside Sensor value correct YES YES Is the wiring securely connected between the incoming terminal block boiler connection of the Outside Sens...

Page 53: ...Valves Is there 230V at SL2 IN YES NO No voltage from Timer Room Stat This is not a boiler fault Ensure voltage is supplied to boiler by rectifying external wiring Is an Outside Sensor connected YES If an OpenTherm Room Stat is not connected is there a link wire across the OpenTherm connections NO Connect a link wire across the OpenTherm connections YES Ensure that 230V is not connected to SL1 IN ...

Page 54: ...t cylinder stat Is DHW timer on NO Switch timer on Is OFF shown under Tap symbol YES Press mode button until OFF is not shown under the Tap symbol Is there 230V at SL2 IN NO Check system controls and wiring Is an Outside Sensor connected YES YES YES 4 14 FLOW RETURN DIFFERENTIAL GREATER THAN 50 C Are isolation valves open YES NO Open isolation valves Is pump operating YES NO Check pump wiring if O...

Page 55: ...eal Failure to do so could affect safety or performance of this appliance Comprehensive spares parts information and details of approved Ideal Parts Distributors are available on idealparts com Our Parts team are also available to help with your Ideal Spare Parts enquiries on 01482 498665 When calling and to ensure we can provide you with the most accurate parts information please ensure you have ...

Page 56: ...56 Installation and Servicing Section 6 Benchmark to Commissioning ...

Page 57: ...uld be made aware it is ultimately their responsibility to register with the manufacturer within the allotted time period It is essential that the boiler is serviced in line with the manufacturers recommendations at least annually This must be carried out by a competent Gas Safe registered engineer The service details should be recorded on the Benchmark Service and Interim Boiler Work Record and l...

Page 58: ...ate Gas rate for combination boilers complete DHW mode gas rate m3 hr or ft3 hr Central heating output left at factory settings Yes No If no what is the maximum central heating output selected kW Dynamic gas inlet pressure mbar Central heating flow temperature C Central heating return temperature C System correctly balanced rebalanced Yes COMBINATION BOILERS ONLY Is the installation in a hard wate...

Page 59: ...y test is required on every annual service in accordance with the manufacturers instructions and BS 7593 It is only acceptable to not have undertaken this if the service engineers attendance visit was in between annual services to attend a non water facing component SERVICE INTERIM WORK ON BOILER delete as appropriate Date Engineer name Company name Telephone No Gas Safe registration No Max rate C...

Page 60: ...operate with a different gas family e g conversion from natural gas to LPG separate guidance is provided with the conversion kit supplied and this must be followed PRIOR TO CO LEVEL AND COMBUSTION RATIO CHECK The installation instructions must have been followed gas type verified and gas supply pressure gas rate checked as required prior to commissioning As part of the installation process ESPECIA...

Page 61: ... and supported as per instructions Check that flue and flue terminal are not obstructed Check that no seals e g Those on flue extensions have been displaced during installation Rectify if necessary Turn off appliance and call Ideal Technical Helpline for advice The appliance must not be commissioned until problems are identified and resolved If commissioning cannot be fully completed the appliance...

Page 62: ...62 Notes Installation and Servicing ...

Page 63: ...63 Notes Installation and Servicing ...

Page 64: ...deal Technical Helpline 01482 498663 Ideal Consumer Helpline 01482 498660 Ideal Parts 01482 498665 idealheating com Ideal Boilers Ltd pursues a policy of continuing improvement in the design and performance of its products The right is therefore reserved to vary specification without notice At Ideal Heating we take our environmental impact seriously therefore when installing any Ideal Heating prod...

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