Atag BC100124 Appliance Technical Manual Download Page 15 | Manualshive

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Combi boiler central heating mode (CH)

C.H. Demand

Pump On

Error Code 118

Pump Check by

Water Pressure - OK

Diverter Valve

CH Position

Gas Valve Start

Sequence

Fan On

RPM Check - OK

No Ignition

5 Attempts –

Ignition

Achieved

Boiler Operating

Error Code 151

Gas Valve Opens

Spark

Ignition

Flame ON

Flame

Stabilization

5 Seconds

Stabilization

No Flame

Detection

Boiler Will Go

To Low Load

Error Code 133 Reset

5 Attempts –

Ignition Achieved

NO

NO

NO

YES

YES

YES

YES

15

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Summary of Contents for BC100124

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

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: ...ER 13 COMMISSIONING FUNCTION 13 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 WATER PRESSURE SENSOR 14 FLOW SWITCH REGULAR BOILER 14 COMBI BOILER CENTRAL HEATING MODE CH 15 COMBI BOILER HOT WATER MODE DHW 16 COMBI BOILER CH MODE 17 CH CONTROLS 17 COMBI BOILER DHW MODE 17 DHW CONTROLS COMBINATION BOILERS 17 SYSTEM REGULAR...

Page 4: ...nation Boiler LPG 47 310 32 iS 15 System boiler 41 310 20 iS 18 System boiler 41 310 22 iS 24 System boiler 41 310 24 iS 32 System boiler 41 310 26 iS 40 System boiler 41 310 28 iS 15 System boiler LPG 41 310 21 iS 18 System boiler LPG 41 310 23 iS 24 System boiler LPG 41 310 25 iS 32 System boiler LPG 41 310 27 iS 40 System boiler LPG 41 310 29 iR 15 Regular boiler 41 310 32 iR 18 Regular boiler ...

Page 5: ...t horizontal flue length m 80 125mm 50 45 45 Maximum equivalent vertical flue length m 80 125mm 50 45 45 iC COMBINATION BOILERS iC24 iC28 iC36 iC40 Part number BC100124 BC100128 BC100136 BC100140 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 efficiency 85...

Page 6: ... 50 45 45 Maximum equivalent vertical flue length m 80 125mm 50 50 50 45 45 iR REGULAR BOILERS iR15 iR18 iR24 iR32 iR40 Part number BR400115 BR400118 BR400124 BR400132 BR400140 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: ...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 CH ...

Page 8: ... or blocking Snow Flake Frost protection LCD display with backlight Full load for emissions check Directly operated soft cushion button OK and Escape ancillary function Scroll and function ancillary function Setting of boiler temperature max supply temperature Eco button Reset button Setting of hot water temperature Frost protection manual mode Control panel All ATAG boiler range 8 ...

Page 9: ...rogram OFF Press until the lowest value is reached and then press again appears in the display The will disappear from the display Switching on works in reverse order Boiler Information By pressing the eco button for 6 seconds the display changes to info mode A0 Flow water temperature in C A1 Return water temperature in C A2 DHW temperature in C combi or system boiler with 3 port kit only A3 T set...

Page 10: ... code In other cases the reset button does not function and will not respond to operation scroll Ancillary functions scroll Both buttons Commissioning mode for checking the CO2 Both buttons Pump continuous on off DHW button Scroll function scrolling through parameters CH button OK confirm CH button ESC function back to standard display 10 ...

Page 11: ...fter 1 to 2 minutes When there is no more heat requested the radiator symbol may be solid or flashing but the flame symbol will disappear The pump will continue to run for 60 seconds due to the pump over run feature Frost protection Danger of frost If there is danger of frost damage to the CH installation and there is no outside sensor connected it is advisable to let the pump run continuously By ...

Page 12: ...ter the heating demand the burner will shut down and the pump will run for a further 60 seconds Service chimney sweep mode To enter the service chimney sweep mode you hold the two buttons for 6 seconds When the flame symbol appears in the display press both buttons again for 6 seconds The display shows the supply water temperature appears in the display Press 1x the eco button the display shows XX...

Page 13: ...ort pauses to make sure that the air inside the boiler leaves through the automatic air vent System boiler Same as combi but there is no internal diverter valve to move Regular boiler Same as combi but there is no diverter valve to move or a pressure reading and there is a feed expansion tank 1 Turn on the boiler electrical supply 2 When the boiler starts up for the first time the following will b...

Page 14: ...egular boiler In the regular boiler there is no pump inside and because of the low pressure there is no pressure sensor inside 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 If the water pressure drops below 0 8 bar code 118 will appear in the display The boiler will stay in operation with a limite...

Page 15: ...on Gas Valve Start Sequence Fan On RPM Check OK No Ignition 5 Attempts Ignition Achieved Boiler Operating Error Code 151 Gas Valve Opens Spark Ignition Flame ON Flame Stabilization 5 Seconds Stabilization No Flame Detection Boiler Will Go To Low Load Error Code 133 Reset 5 Attempts Ignition Achieved NO NO NO YES YES YES YES 15 ...

Page 16: ...sition Gas Valve Start Sequence Fan On RPM Check OK No Ignition 5 Attempts Ignition Achieved Boiler Operating Error Code 151 Gas Valve Opens Spark Ignition Flame ON Flame Stabilization 5 Seconds Stabilization No Flame Detection D H W Rated Output Error Code 133 Reset 5 Attempts Ignition Achieved NO NO NO YES YES YES YES 16 ...

Page 17: ...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 18: ...utput DHW for iC range or again max heat output CH for iS iR range Press 1x the eco button the display shows 1 Flow temp 2 XX heat capacity 3 Fan speed Then with the button for DHW you can go to a different load anything between full 100 and low load 0 C NOTE UNDER ALL CIRCUMSTANCES THE CO2 AT LOW LOAD MUST BE LOWER THAN THE CO2 AT FULL LOAD End of measuring Press the ESC button button The device ...

Page 19: ...FACTORY SETTING DESCRIPTION RANGE PO 1 1 CH Tmax 80 C Gradient 5 Heating line 24 2 CH Tmax 70 C Gradient 5 Heating line 19 3 CH Tmax 60 C Gradient 4 Heating line 15 4 CH Tmax 50 C Gradient 3 Heating line 11 1 4 P1 Max Maximum power CH in Can only be reduced 0 low load 0 max P2 Max Pump max percentage XX 100 P3 Min Pump min percentage Min XX XX P4 0 Correction factor fan speed DO NOT CHANGE P5 5 NG...

Page 20: ...ld switch off The following gradient speed settings are recommended for each type of heating system 1 2 underfloor heating 4 5 Radiator convectors 7 8 Indirect heated air heater Setting the gradient parameter to P5 0 If you set this to 0 you switch off the gradient control and the T set is the temperature set with the CH button normally 80 C In this case there is no limit to the number of degrees ...

Page 21: ...ors will not feel as hot as on a cold day this is normal and not a fault with the boiler or heating circuit The room temperature will still be maintained as set by the room thermostat Flue lengths Concentric Flue system Ø 60 100mm 80 125mm Dimensions flue gas system and air supply system Maximum equivalent flue length distance between boiler from elbow or vertical adapter and the end of terminal B...

Page 22: ...he water and pump 117 Pressure too high 3 bar or pump pressure increase too high combi system boiler Check water pressure on analogue gauge 118 Pressure too low 1 bar or pump pressure increase too low no pump detection combi system boiler Check water pressure on analogue gauge Check 230V to pump Check pump is spinning via de blocking centre screw Check PWM pump connection pins cable and PCB connec...

Page 23: ...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 24: ...PCB electrical diagram LMU 24 ...

Page 25: ...HW sensor T3 8 9 10KΩ 25 C Water pressure sensor P1 1 0bar 5 6 32v DC 5 7 22v DC 6 7 11v DC X8 230v Power supply 1 2 230v 230v External timer option 4 5 230v X9 230v control 1 Neutral 230v 12 4 2 Neutral 230v SWL in X10 DHW on CH on 1 2 230v 14v 1 3 30v 230v 2 3 230v 230v X11 Fan 1 2 230v Neutral 4 X12 Gas valve 1 2 100v Spark generator ignition 3 4 230v Ionisation probe 5 X13 Service connector X1...

Page 26: ...verter valve kit to control the hot water temperature Therefore no other cylinder thermostat is required The ONE controller will control the heating and hot water time and temperature requirements The weather compensation for heating will be controlled by the boiler and ONE controller via the internet connection and postal code weather data An optional outside sensor ARZ0055U can be added to the 3...

Page 27: ...S system boiler A DHW cylinder B Heating system DO NOT CONNECT 230 VOLT ATAG outside sensor optional Volt free terminals ATAG ONE controller 5m Cylinder sensor Volt free Volt free terminals B A A AB AB B 27 ...

Page 28: ...ith the unvented cylinder Wiring of components The 3 port diverter valve will be connected to the spare 3 port valve connector on the wiring loom The cylinder sensor will be connected to the yellow connector of the DHW volt free position and the ONE control wires with the blue connector to the blue BUS volt free position on the back of the control panel 2 port zone valve dual thermostat supplied w...

Page 29: ...ree Volt free terminals L N N L E M L N 2 Port zone valve supplied with unvented cylinder BOILER MAINS IN 230 V MAINS SUPPLY Dual thermostat Safety limit thermostat Cylinder thermostat NOT REQUIRED USE CYLINDER SENSOR SUPPLIED Remove any links between safety limit thermostat and cylinder thermostat within the dual thermostat 29 ...

Page 30: ... port heating system ATAG Heating Technology advises on an interim service inspection with a flue gas analyser A full strip down service is recommended at regular intervals or where analyser readings are not within correct safety standards In order to perform maintenance the following actions have to be taken Switch off the electrical power to the boiler Remove the screws from the 2 fasteners A an...

Page 31: ...s or turn it in forward motion upwards along the heat exchanger Clean the parts by rinsing them with water Check the O ring of the siphon cup and replace it if necessary Grease the O ring again with acid free O ring grease to simplify the reassembly Reassembly takes place in reverse order Fill the siphon with 150 ml of water If a leakage has occurred to the siphon replace the entire siphon Fan uni...

Page 32: ...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 33: ...t brush and a vacuum cleaner Replace the gasket and take care that the new gasket is installed properly when reassembling the fan parts Heat exchanger Check the heat exchanger for pollution Clean it if necessary with a soft brush and a vacuum cleaner Avoid any pollution falling down TOP FLUSHING THE EXCHANGER WITH WATER IS NOT ALLOWED Reassembly takes place in reverse order DURING INSTALLATION PAY...

Page 34: ... 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 REMEMBER TO CONNECT THE EARTH CABLE WHEN PRESENT WHEN PLACING BACK THE BOILER FRONT PANEL AND TAKE CARE THE WIRE DOES NOT GET STUCK BETWEEN FRONT PANEL AND BOILER ...

Page 35: ...Notes 35 ...

Page 36: ...l always get 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 1 Masterton Park South Castle Drive Dunfermline KY11 8NX DC0000...

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