Atag i15R Technical Manual Download

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Appliance
Technical Guide

SERVICE ENGINEER EDITION
(2019 ONWARDS)

Summary of Contents for i15R

Page 1: ...Appliance Technical Guide SERVICE ENGINEER EDITION 2019 ONWARDS ...

Page 2: ...2 The heating industry has just had an upgrade We will help you grow and protect your business Now you have too ...

Page 3: ...22 TECHNICAL MENU 25 PARAMETER CHAPTER 26 PARAMETER LISTING 27 Y O U H A V E U P G R A D E D T O A T A G W E W I L L H E L P Y O U T O G R O W A N D P R O T E C T Y O U R B U S I N E S S TESTING THE BOILER AND CHANGING SETTINGS 30 Boiler Manual test setting 30 Gradient speed CH 3 1 SETTING UP INTEGRAL AND EXTERNAL CONTROLS OPTIONS 32 Integral programmer 33 BOILER INFORMATION 34 Set the heating tim...

Page 4: ... Plus Combination Boiler 47 310 42 i15S System Boiler 41 310 44 i18S System Boiler 41 310 45 i24S System Boiler 41 310 46 i32S System Boiler 41 310 47 i40S System Boiler 41 310 48 i15R Regular Boiler 41 310 49 i18R Regular Boiler 41 310 50 i24R Regular Boiler 41 310 51 i32R Regular Boiler 41 310 52 i40R Regular Boiler 41 310 53 SERIAL NUMBER P184510289 P 18 45 1 0289 YEAR WEEK DAY No Appliances co...

Page 5: ...equivalent horizontal flue length m 80 125mm 50 40 40 Maximum equivalent vertical flue length m 80 125mm 50 40 40 IC COMBINATION BOILERS i24C i28C i36C i40C Part number BC100324 BC100328 BC100336 BC100340 ErP Seasonal space heating energy efficiency class A A A A ErP Seasonal space heating energy efficiency 94 94 94 94 ErP Water heating energy efficiency class A A A A ErP Water heating energy effi...

Page 6: ... 50 45 45 Maximum equivalent vertical flue length m 80 125mm 50 50 50 45 45 iR REGULAR BOILERS i15R i18R i24R i32R i40R Part number BR400315 BR400318 BR400324 BR400332 BR400340 ErP Seasonal space heating energy efficiency class A A A A A ErP Seasonal space heating energy efficiency 94 94 94 94 94 CH output kW 50 30 C 14 7 17 5 23 2 31 2 38 8 SEDBUK 2009 89 8 89 8 89 8 89 8 89 8 Dimensions H x W x ...

Page 7: ...6 Automatic de aerator 14 Combustion air supply 22 Isolation valve cold water 7 DHW plate heat exchanger 15 Boiler data plate 23 Isolation valve return CH 8 Control unit 16 Expansion vessel 24 Flue non return valve T1 Flow sensor P1 Water pressure C Condensation pipe T2 Return sensor G Gas pipe K Cold water pipe T3 Hot water sensor A Flow pipe CH W Hot water pipe F1 DHW flow sensor R Return pipe C...

Page 8: ...ress OK to enter Menu error messages and other status information 2 DHW status symbol A box around the tap symbol indicates DHW is in operation 3 Visual illustration of current hot water temperature Scale changes as the set temperature is changed 12 Heating supply setpoint 13 Outdoor temperature if connected 4 Internal room temperature if present 14 Time program 5 DHW set point temperature 15 Visu...

Page 9: ...rols and explanation of the functions 19 25 07 18 09 00 80 60 ECO AUTO C Heating Active 1 5 bar 00 02 04 06 08 10 12 14 16 18 20 22 24 RESET BACK OK 19 25 07 18 09 00 80 60 ECO AUTO Press OK to enter Menu 1 5 bar Turn the selector wheel to highlight Complete Menu Press OK 2 CH Settings is highlighted Press OK 3 Option CH Setpoint Temp is highlighted Press OK 4 Option T set Z1 is highlighted Press ...

Page 10: ...ar From the controller Home screen press OK 1 RESET BACK OK 19 25 07 18 09 00 80 60 ECO AUTO Press OK to enter Menu 1 5 bar Turn the selector wheel to highlight Complete Menu Press OK 2 Turn the selector wheel to highlight DHW Settings Press OK 3 Option DHW Comfort Setpoint Temp is highlighted Press OK 4 The current DHW comfort Setpoint temperature is displayed Press OK 5 Turn the selector wheel u...

Page 11: ...ot water all day long The boiler maintains the primary heat exchanger temperature to quickly deliver hot water to the plate heat exchanger This selection provides the quickest delivery of hot water to hot water taps but uses the most energy COMFORT mode will be displayed on the home screen Option 2 Time Based The boiler maintains the primary heat exchanger temperature based on the time selections ...

Page 12: ... Active Press OK 5 The message in the screen appears The Always Active mode is now selected 6 Always Active In always active mode COMFORT will be displayed continuously on the front display To enable the Always Active comfort mode setting Follow the steps below Time program Manual Summer Winter OFF Complete Menu Disabled Time based Always Active CH Settings DHW Settings Screen Settings DHW comfort...

Page 13: ...for comfort mode to be active DHW is highlighted Press OK Time Based In time based mode a clock icon is displayed next to the ECO or COMFORT on the front screen to indicated this time based mode To enable the Time Based comfort mode setting follow the steps below Time program Manual Summer Winter OFF Complete Menu Disabled Time based Always Active CH Settings DHW Settings Screen Settings DHW comfo...

Page 14: ...lector wheel to highlight Complete Menu Press OK 2 Turn the selector wheel to highlight DHW Settings Press OK 3 Turn the selector wheel to highlight Comfort function Press OK 4 Option Disabled is highlighted Press OK 5 The message in the screen appears Comfort mode is now disabled 6 Time program Manual Summer Winter OFF Complete Menu Disabled Time based Always Active CH Settings DHW Settings Scree...

Page 15: ...sured by the flow T1 sensor in the heat exchanger When the measured T1 temperature gets below 8 C in the boiler the boiler pump starts for 2 minutes and the 3 way valve will switch 1 minute to CH and 1 minute to DHW if the T1 temperature has descended 4 C the pump will run and the burner will be started on low load for 30 seconds when T1 temperature is 8 C burner will be switched OFF DHW frost pro...

Page 16: ...ombi and System boilers The boiler is equipped with an automatic air purge program The installation system needs to be filled with water and bled free of air before turning power onto the boiler Then the automatic air purge program will ensure that the boiler is free of air before firing up The automatic air purge program starts when the water pressure in the boiler gets to 1 1 bar The display wil...

Page 17: ...sioning the boiler Turn on the boiler electrical supply After filling the 7 minute air purge program starts Device discovery 14 09 18 Airpurge active 1 7 bar 19 25 07 18 09 00 80 60 ECO AUTO DHW Active 1 1 bar 19 25 07 18 09 00 80 60 ECO AUTO DHW Active 1 1 bar 1 Vent the entire heating installation starting at the lowest point 4 When the boiler starts up for the first time the following screens w...

Page 18: ...nside as well To register if the system pump is working and there is water in the system there is a flow switch and this flow switch sets the burner free The iC iC Economiser Plus iS boilers are supplied with a pressure sensor If the water pressure drops below 0 8 bar the text Warning 1P4 Filling Needed will appear in the screen Between 0 5 and 0 8 bar and the boiler will reduce Tset max by 5 C If...

Page 19: ...lve CH Position Gas Valve Start Sequence Fan On 612 Fan Error No Ignition Boiler Operating Gas Valve Opens Spark Ignition Flame ON Flame Stabilization 5 Seconds Stabilization No Flame Detection Boiler Will Go To Low Load Error code 501 No flame detected Reset 5 Attempts Ignition Achieved NO NO NO YES YES YES 5 Attempts 5P1 or 5P2 Ignition Achieved 19 ...

Page 20: ... 612 Fan Error No Ignition Boiler Operating Gas Valve Opens Spark Ignition Flame ON Flame Stabilization 5 Seconds Stabilization No Flame Detection D H W Rated Output 5 Attempts Ignition Achieved NO YES YES YES Error code 501 No flame detected Reset NO NO 5 Attempts 5P1 or 5P2 Ignition Achieved iC iS Range Error Code 140 iR Range Error Code 141 20 ...

Page 21: ...ff Depending on the desired DHW temperature and volume the controls will calculate an output This realises the desired water temperature in an efficient way The hot water sensor T3 will adjust any minor deviations caused by temperature fluctuations so that even under these circumstances the desired temperature is constant System regular boiler central heating mode CH controls With a demand from th...

Page 22: ...el until you reach 100 Press OK The boiler will switch to maximum power output full load of the boiler the screen shows 100 heating capacity Calibrate the Flue Gas Analyser and then insert the flue gas probe of the Flue Gas Analyser into the measuring point of the flue gas pipe A see illustration Wait for one minute and then carry out a combustion analysis Check whether the CO2 values that are lis...

Page 23: ...10 9 8 9 9 5 9 2 7 5 10 9 10 8 8 9 9 4 9 1 7 5 10 8 10 7 8 9 9 3 9 0 7 5 10 7 10 6 8 9 9 2 8 9 7 5 10 6 10 5 8 9 9 1 8 8 7 5 10 5 10 4 8 9 9 0 8 7 7 5 10 4 10 3 8 9 8 9 8 6 7 5 10 3 10 2 8 9 8 8 8 5 7 5 10 2 10 1 8 9 8 7 8 4 7 5 10 1 10 0 8 9 8 6 8 3 7 5 10 0 9 9 8 9 9 9 9 8 8 9 Step 2 CO2 check on low load The low load of the boiler can be set by you as follows RESET BACK OK 19 25 07 18 09 00 80 ...

Page 24: ... B Please observe the following rotating direction Clockwise means less CO2 Counter clockwise means more CO2 Step 3 Adjustment on the gas valve Adjust the gas valve only in case the measured values lie out of the range of the values mentioned in step 1 or 2 C A B AFTER THIS SETTING HAS BEEN MADE ONCE MORE TEST THE CO2 VALUE AT FULL LOAD AND LOW LOAD WITH THE CASE ON SEE STEP 1 AND 2 24 ...

Page 25: ...UTO Press OK to enter Menu 1 5 bar From the controller Home screen press the BACK and OK buttons at the same time for 7 seconds 1 Insert Code 007 Save Insert technical code The screen below then appears with the options Language date and time Complete Menu Configuration Wizard Service Faults Turn the selector wheel to highlight 007 as the Technical Code Press OK to Save 2 3 Technical area Language...

Page 26: ...ration Wizard Service Faults Menu 0 1 2 3 4 Network Not Available Boiler Parameters Not Available Zone 1 Parameters From the controller Home screen press the BACK and OK buttons at the same time for 7 seconds 1 Insert Code 007 Save Insert technical code Turn the selector wheel to highlight 007 as the Technical Code Press OK to Save 2 The screen below appears This way you have access to the complet...

Page 27: ...iler as a part of a hybrid system 0 1 0 Energy manager presence detection 2 2 8 Boiler Version Type of boiler selection 0 2 0 0 Combi 1 Storage with NTC 2 Storage with Thermostat 2 3 Central Heating 1 2 3 1 Max CH Adjustable CH power level adjustable by engineer to the level required by the building 0 100 100 2 3 7 CH pump overrun CH post circulation time Min 0 16 1 2 4 Central Heating 2 2 4 5 Max...

Page 28: ... min 0 300 300 4 2 Zone 1 settings 4 2 0 Zone 1 system type 0 low temperature system 1 high temperature system 0 1 1 4 2 1 Zone 1 thermoregulation type 0 Fixed flow temperature 0 4 0 1 do not use 2 Room temperature only 3 Outdoor Temperature only On Off Thermostat works 4 Room Outdoor temperature e bus thermostat needed 4 2 2 Slope Heating Line 0 2 1 for Low temperature installations 0 2 3 5 0 6 L...

Page 29: ...0 OFF 1 ON 8 2 2 Fan speed Number of revolutions Rpm 8 2 4 Diverter valve position Position of the diverter valve 0 DHW 1 CH 8 2 5 DHW flowrate l min 8 2 7 pump modulation 8 2 8 gas power Actual boiler power based on fan revolutions kW 8 2 9 system pressure bar 8 3 Boiler temperatures 8 3 0 CH T Set Calculated target flow temperature C 8 3 1 CH flow temperature C 8 3 2 CH Return temperature C 8 3 ...

Page 30: ...hnical Code Press OK to Save 2 Turn the selector wheel to highlight 2 Boiler Parameters Press OK 4 2 6 Manual settings 6 Turn the selector wheel to highlight 2 6 Boiler manual setting Press OK 5 Technical area Language date and time Complete Menu Configuration Wizard Service Faults The screen below then appears Turn the selector wheel to highlight Complete Menu Press OK It takes a while to load th...

Page 31: ...w flow temperature A boiler system that cannot get rid of this heat effectively will see a rapid increase in the flow temperature more than the 5 C per minute it has been set up to do The flow temperature will quickly go over the calculated T set temperature gradient by the 5 C and would switch off The following gradient speed settings are recommended for each type of heating system 1 2 underfloor...

Page 32: ...TAG ONEZone or Cube 3 Weather Compensation Outside sensor only or with On off or OpenTherm controller 4 7 0 4 7 2 Outside sensor with On Off stat or OpenTherm 4 Weather dependent control with Room compensation Only for ATAG ONEZone controllers ATAG ONEZone in weather dependent mode ATAG ONEZone Term ATAG n a ATAG Open n a DHW Exter terminal block PE N PE L N L 230 V out 230 V Con trol PE N L 230 V...

Page 33: ... would be used where the front display integral timer is used for the time setting element with the 230V SwL or Volt free On Off contacts Thermoregulation setting no 0 3 including SwL Customer Complete Menu Time program Manual Summer Winter OFF Complete Menu CH Settings DHW Settings Connectivity Settings Screen Settings 5 Scroll the wheel to select Program and Press OK to confirm selection Time Pr...

Page 34: ...lable Boiler Parameters Not Available Zone 1 Parameters Menu 4 5 6 7 8 Zone 1 Parameters Zone 2 Parameters Zone 3 Parameters Not Available Service Parameters As an example we take the CH Flow Set T 4 7 Option 8 3 0 CH Flow Set T is highlighted Press OK Service Param 8 8 3 0 8 3 1 8 3 2 8 3 3 8 3 4 80 48 48 47 CH Flow Set T CH Flow T CH Return T DHW Flow T Exhaust Flue T Turn the selector wheel to ...

Page 35: ...u will switch from day heating line contact open to night heating line contact closed which would mean on and off If the integral programmer function is not being used then is should be left as the default setting Extended time program Time program Manual Summer Winter OFF Complete Menu Customer Complete Menu 1 Brightness in standby Home screen timing Home screen timing System measurement unit Tim...

Page 36: ...active Time program manual mode This setting switches between using the time programs that have been set on the boiler or manual mode RESET BACK OK 19 25 07 18 09 00 80 60 ECO AUTO Press OK to enter Menu 1 5 bar From the controller Home screen press OK 1 Turn the selector wheel to highlight Complete Menu Press OK 2 To set in time periods Time program Manual Summer Winter OFF Complete Menu Option T...

Page 37: ...ed if required Press Save when finished 8 Comfort days time programming 00 02 04 06 08 10 12 14 16 18 20 22 24 Save Add period Start 00 00 Start 07 00 Start 09 00 Start 17 00 Temp 15 0º Temp 20 0º Temp 15 0º Temp 20 0º Comfort days time programming 00 02 04 06 08 10 12 14 16 18 20 22 24 Save Add period Start 00 00 Start 07 00 Start 09 00 Start 17 00 Temp 15 0º Temp 20 0º Temp 15 0º Temp 20 0º 4 Th...

Page 38: ...FF Complete Menu Turn the selector wheel to highlight Home screen Press OK 4 Language Time Date Home screen Zone to be set by display Stand by timing Turn the selector wheel to highlight Boiler complete Press OK Press BACK button until you get back to the home screen 7 Boiler base Boiler complete 25 07 18 09 00 70 45 ECO AUTO Press Ok to enter Menu 1 4 bar 00 02 04 06 08 10 12 14 16 18 20 22 24 23...

Page 39: ...rnings Service warning reset Months remaining before Service The next screen Service options select Service Centre Data 6 Service options Name INSTALLER DETAILS 01234 567890 Telephone number In the service options screen you can enter a Company name and phone number These details will show up when the annual service is due if service maintenance reminder function is enabled or when some faults occ...

Page 40: ...ilable Service Parameters Service 8 5 8 5 0 8 5 1 8 5 2 8 5 3 8 5 4 12 1 Months to Next Maintenance Mainten On Days Act Main Warn Reset Not Available SW Version Interface Sched Maintenance Call Service Warning 25 07 18 09 00 01234 567890 INSTALLER DETAILS If the customer has a ONEZone controller it also displays the scheduled maintenance is due on the screen It will not go until the maintenance wa...

Page 41: ... 1 2 3 4 Network Not Available Boiler Parameters Not Available Zone 1 Parameters Turn the selector wheel to highlight 4 2 Z1 Settings Press OK 2 4 Zone Parameters 4 0 4 1 4 2 4 3 4 4 Setpoint SW Changeover Z1 Settings Z1 Diagnostics Not Available 4 2 Z1 Settings 4 2 0 4 2 1 4 2 2 4 2 3 4 2 4 Zone temperature range Thermoregulation Not Available Offset Not Available Select no 3 Outdoor Weather Comp...

Page 42: ...pe Room Influence Building Insulation Level Building Size Climatic Zone Turn the selector wheel to highlight 4 7 1 Room Influence Press OK 6 4 7 Zone Regulation Parameters 4 7 0 4 7 1 4 7 2 4 7 3 4 7 4 Heating type Room Influence Building Insulation Level Building Size Climatic Zone Turn the selector wheel to highlight 4 7 2 Building Insulation Level Press OK Make a choice between 0 Poor or 1 Aver...

Page 43: ...hen when the outside temperature is 5 0 C the flow temperature will be 51 C Therefore if the thermoregulation offset was set to 4 C then the adjusted flow temperature will be 55 C 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 25 0 20 0 15 0 10 0 5 0 0 0 5 0 10 0 15 0 20 0 25 0 Setpoint flow temperature Outdoor temperature A B C D E F A Heating Type Air heating Building Insulation Level Poor Buildin...

Page 44: ...NT FLUE LENGTH Ø 60 100mm Ø 80 125mm 45 bend resistance length 1 3m 1 9m 87 bend resistance length 1 9m 3 0m Reset a fault code 8 5 2 Do you really want to perform the reset If you press OK buton the reset command will be executed otherwise by way of ESC the previous page is shown The message on the screen left appears Press OK to reset the error otherwise the previous screen is shown 2 The Reset ...

Page 45: ...Press OK to Save 2 Option 8 6 0 Last 10 Errors is highlighted Press OK 6 A survey of the last 10 Errors appears An example of an error message 7 Last 10 Errors 8 6 0 Fault 6 140 Dynamic Pressure Check Failed 10 14 20 08 18 Service Param 8 8 2 8 3 8 4 8 5 8 6 Boiler Boiler Temperature Storage Service Error History Error codes A detected failure is indicated on the display in blocking or error messa...

Page 46: ...ir in the system 201 DHW Probe Damaged Combi or iS boilers Check the sensor Check the wiring harness for continuity Check wiring harness not shorting to earth Check no water leaks affecting wiring harness Check connection on PCB are connected properly CN12 iS boilers should have parameter 2 2 8 Boiler version should be set to no 2 Storage with thermostat where no hot water sensor is used 203 Tank ...

Page 47: ...9 573 1 2 730 28 8 779 2 2 610 30 8 059 3 2 496 32 7 406 4 2 387 34 6 811 5 2 284 36 6 271 6 2 186 38 5 779 7 2 093 40 5 330 8 2 004 42 4 921 9 1 920 44 4 547 10 1 840 46 4 205 11 1 763 48 3 892 12 1 690 50 3 605 13 1 621 52 3 343 14 1 555 54 3 102 15 1 492 56 2 880 16 1 433 58 2 677 17 1 375 60 2 490 18 1 320 62 2 318 19 1 268 64 2 159 20 1 218 66 2 013 21 1 170 68 1 878 22 1 125 70 1 753 23 1 08...

Page 48: ...SES 250V 2 5AT 2x FLOW SENSOR T1 RETURN SENSOR T2 1 K0 1 K0 CN4 E N L E L N SwL 230V out 230V Control L N 230V out L N E 230V in 1 2 3 4 1 2 3 4 1 2 3 2 1 1 2 3 1 2 3 OUTDOOR SENSOR T4 OPTION K 1 ATAG ZONE OPTION OPEN THERM OR ON OFF THERMOSTAT OPTION PUMP 3 WAY VALVE INTERNAL WATER FLOW SENSOR WATER PRESSURE SENSOR P1 TOP HMI DHW SENSOR T3 10K OUTSIDE THE BOILER Electrical diagram iC Combinations...

Page 49: ...linder sensor Yellow DHW 10KΩ 25 C CN1 7 8 OpenTherm BUS ON OFF connection Blue 22v DC CN3 1 2 ATAG BUS connection Red 20v DC CN3 5 6 Outside sensor T4 option Peach Out 1KΩ 25 C CN12 1 2 DHW sensor T3 10KΩ 25 C CN12 6 8 Water pressure sensor P1 1 0bar 8 9 5 6 32v DC 5 7 22v DC CN2 5 6 7 9 Actuator 3 way valve DHW on CH on 1 2 230v AC 0v AC 1 3 0v AC 169v AC 1 4 0v AC 0v AC 2 3 230v AC 230v AC 2 4 ...

Page 50: ...h on or off the heat demand to the boiler ATAG Zone connection red The ATAG One zone smart room thermostat is the primary candidate for use of the ATAG zone eBus connection The smart room thermostat can also be substituted by another ATAG zone compatible room controller this eBus enables the boiler to modulate set point temperatures for optimal efficiency On top of the thermostats the connection i...

Page 51: ...ow ventilation air or chimney heat 230V live output to pump E N L E L N SwL 230V out 230V Control E N L 230V in N L 230V out 230V control terminal block iC Range N Neutral L Live E Earth N Neutral L Live E Earth L Live N Neutral SwL Switched live 230V live input only E Earth pump N Neutral pump L Live pump 230V live output 230V out 230V in LNE Terminal block LV iC Range ATAG Outdoor sensor 1kOhm n...

Page 52: ...controlled by the boiler and ONEZONE controller via the internet connection and local weather station data An optional outside sensor ARZ0055U can be added to the 3 port diverter valve kit to sense the outside temperature specifically for the individual property With an ATAG Cube fitted the optional outside sensor would be needed if weather compensation was required for the central heating When pu...

Page 53: ...out 230 V Con trol PE N L 230 V in N L 230 V out DO NOT CONNECT 230 VOLT Mounting on north north east facade of the house Prevent outside influences such as snow ventilation air or chimney heat 230V live output to pump E N L E L N SwL 230V out 230V Control E Earth L Live N Neutral SwL Switched live 230V live input only E Earth pump N Neutral pump L Live pump 230V live output Cylinder sensor ATAG o...

Page 54: ... valve will be connected to the spare 3 port valve connector on the wiring loom Connect the cylinder sensor with the yellow connector to the yellow DHW volt free position and the ONE Zone control or Cube wires with the red connector to the red BUS volt free position on the top front of the control panel 2 port zone valve dual thermostat supplied with unvented cylinder The 2 port zone valve must be...

Page 55: ... in N L 230 V out DO NOT CONNECT 230 VOLT Mounting on north north east facade of the house Prevent outside influences such as snow ventilation air or chimney heat 230V live output to pump E N L E L N SwL 230V out 230V Control E Earth L Live N Neutral SwL Switched live 230V live input only E Earth pump N Neutral pump L Live pump 230V live output Cylinder sensor ATAG outdoor sensor optional ATAG ONE...

Page 56: ... fasteners A and B and remove the cover in a forward motion Air box cover The cover also doubles as air box Clean the air box cover with a cloth and a non abrasive cleaner Siphon The degree of pollution residue in the siphon is an important indication for the need of maintenance Turn the control unit forwards by moving the handle C slightly to the left Turn pull the sealing ring 1 downwards Turn t...

Page 57: ... a full service should be performed even with acceptable combustion readings CO CO2 ratio Flue gas analysis Put the boiler back into operation and carry out a flue gas analysis as described on page 22 Always put back the cover after maintenance work and secure it with screws A and B Note During routine servicing and after any maintenance or change of part of the combustion circuit the following mu...

Page 58: ...ction of the Benchmark Checklist located on the inside back page of the installation servicing instructions Where a full service is required the following steps must be followed Carry out the actions as described in the interim service section Fan unit and burner cassette Remove the Velcro from the silencer and remove the silencer 1 Unscrew the coupling 2 of the gas block and the coupling on the v...

Page 59: ...breakages Clean the burner cassette with a soft brush and vacuum cleaner In the case of breakages always replace the complete burner cassette 8 The following operations must be performed carefully in relation to the vulnerability of the non return valve After removing the burner cassette 8 the non return valve 12 becomes visible Check that the non return valve entire circumference closes seals com...

Page 60: ...MP BARS THESE HAVE TO BE IN A VERTICAL POSITION Note During routine servicing and after any maintenance or change of part of the combustion circuit the following must be checked Checking the CO2 Check the CO2 readings at full load and low load as described on page 22 Checking flue integrity The integrity of the complete flue system and the flue seals by checking air inlet sample to eliminate the p...

Page 61: ... and take away the electrode Remove and replace the gasket Reassembly takes place in reverse order ALWAYS REPLACE THE GASKETS OF THE REMOVED PARTS DURING MAINTENANCE Put the boiler back into operation and carry out a flue gas analysis ALWAYS PUT BACK THE COVER AFTER MAINTENANCE WORK AND SECURE IT WITH SCREWS A AND B AFTER SERVICING COMPLETE THE RELEVANT SERVICE INTERVAL RECORD SECTION OF THE BENCH...

Page 62: ...must be installed The additional expansion vessel must be installed as close as possible to the appliance in the central heating return The additional expansion vessel should together with the built in expansion vessel be sized to the water content of the installation The pre pressure charge depends on the height of the installation above the installed expansion vessel Pressurise the extra expansi...

Page 63: ...Notes 63 ...

Page 64: ... sound advice exceptional service and a truly professional point of view We re here to help you grow and protect your business Technical helpline 0800 254 5065 Book a Technical Product Manager visit 0800 254 5063 Customer services 0800 254 5062 Spare parts 0800 254 5064 General enquiries 0800 254 5061 www atagheating co uk atagheating ATAGHeating 1 Masterton Park South Castle Drive Dunfermline KY1...

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