Potthof & Co 28kw, 24kw Short Parts List, 426, 315316 311 404419 422 400 415, 421 420 503 504

Potthof & Co 28kw, 24kw, 33kw manual Electrode Position, 10 ±1 Potthof & Co 24kw, 33kw, 28kw manual Changing Components, Igniter Fig, Spark and Sensing Electrodes Fig Potthof & Co 33kw, 24kw Fan Fig, Venturi Fig, Injector Fig, Gasket Venturi Injector Cover Gas Inlet Pipe Fan Collector Potthof & Co 28kw, 24kw, 33kw manual Burner Fig, Insulation Fig, Extension Piece Potthof & Co 24kw, 33kw, 28kw Flue/Heat Exchanger Thermostat Sensor Fig, Water Pressure Sensor Fig, Safety Thermostat Fig Potthof & Co 33kw, 24kw, 28kw manual Pump Head Only Fig, Pump Complete Fig, Automatic Air Vent Fig Potthof & Co 28kw, 24kw, 33kw manual Pressure Gauge Figs, Hall Effect Sensor Fig, Pressure Relief Valve Fig Potthof & Co 24kw, 33kw, 28kw manual Plate Heat Exchanger Fig, Diverter Valve Motor Unit & Assembly Fig Potthof & Co 33kw, 24kw, 28kw manual 14.22 P.C.B. Fig, Selector Switch Fig Potthof & Co 28kw, 24kw, 33kw manual Gas Valve Fig, Expansion Vessel Fig Potthof & Co 24kw, 33kw, 28kw manual Setting the Gas Valve CO2 check, Flue Adaptor Test Point Plug Analyser Probe Potthof & Co 33kw, 24kw, 28kw manual Electrical, Illustrated Wiring Diagram Potthof & Co 28kw, 24kw, 33kw manual Short Parts List, 426, 315316 311 404419 422 400 415, 421 420 503 504 Potthof & Co 24kw, 33kw, 28kw manual Initial Fault Finding Checks, Error Codes Potthof & Co 33kw, 24kw, 28kw Error 133 flashing, Pump runs, Heating circuit, Go to section ‘A’ Turn the selector switch to Potthof & Co 28kw Turn Domestic Hot Water, Open DHW tap fully, Close DHW tap, Burner modulates, Pump runs for 30 seconds Potthof & Co 24kw PCB X3 connector terminals 3, Switch terminal, Replace water, Fan jammed or faulty winding Replace PCB Potthof & Co 33kw Replace sensor or PCB E28, Gas at burner, Replace gas valve, Terminals 1, Check wiring Viewing Window Potthof & Co 28kw, 24kw, 33kw manual Replace safety thermostat, Replace PCB Is there 230V at, Replace sensor Potthof & Co 24kw, 33kw, 28kw manual Pages for Notes Potthof & Co 33kw, 24kw, 28kw manual Pages for Notes Potthof & Co 28kw, 24kw, 33kw manual GAS Boiler System Commissioning Checklist Potthof & Co 24kw, 33kw, 28kw manual Service Record Potthof & Co 33kw, 24kw, 28kw manual Potterton
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306

426

315316

311

404419

422

400

415

302

421

420

 

503

504

17.0 Short Parts List

Short Parts List

 

Key

Description

Manufacturers

 

No.

 

Part No.

 

 

 

 

 

 

311

Fan

5121447

 

 

 

 

 

 

 

426

Motor 3 Way Valve

5132452

 

 

 

 

 

 

 

315

Igniter Electrode

720222801

 

 

 

 

 

 

 

316

Sensing Electrode

720222901

 

 

 

 

 

 

 

422

Gas Valve

720301001

 

 

 

 

 

 

 

404

Hall Effect Sensor

5114767

 

 

 

 

 

 

 

306

Burner 24/28

5122149

 

 

 

Burner 33

5114697

 

 

 

 

 

 

 

419

Water Pressure Switch

5114748

 

 

 

 

 

 

400

Plate Heat Exchanger 24/28 248048

 

 

Plate Heat Exchanger 33

5114708

 

 

 

 

 

 

 

415

Pump

248042

 

 

 

 

 

 

 

421

NTC Sensor

5114725

 

 

 

 

 

 

 

420

Overheat Thermostat

5114729

 

 

 

 

 

 

 

504

Pressure Gauge

248090

 

 

 

 

 

 

 

503

PCB 24

5121862

 

 

 

PCB 28

720043401

 

 

 

PCB 33

720795201

 

 

 

 

 

 

 

302

Flue Safety NTC

5114747

 

 

 

 

 

 

© Baxi Heating UK Ltd 2012

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Contents Installation & Service Instructions Benchmark Scheme Natural GasScheme Members only Installer Notification GuidelinesCodes of Practice refer to the most recent version Important Installation, Commissioning, Service & RepairLegislation General Safe Manual HandlingPreparation TechniqueContents Description Contents of PackIntroduction Layout General LayoutExpansion Vessel Automatic Air Vent Circulation Pump Drain Off PointDomestic Hot Water Mode Fig Central Heating Mode FigFrost Protection Mode Appliance OperationGold Combi 24, 28 & 33 HE a Technical DataDimensions and Fixings Information System DetailsCentral Heating Circuit BypassExpansion Vessel Central Heating only Safety Pressure Relief Valve FigSystem Filling and Pressurising Fig Hard Water Areas Domestic Hot Water Circuit FigShowers Location Site RequirementsClearances Figs At leastVentilation of Compartments Site RequirementGas Supply Electrical SupplyPipe run Minimum Fall PerPer Metre Run500mm min Minimum Fall50mm per Minimum fall RunFlue Plume Displacement KitBelow windows or openings on pitched roofs 2000 Likely flue positions requiring a flue terminal guardTotal equivalent length = +B+C+2x90Bends Flue OptionsTotal Equivalent Length = +B+C+1x90Bend Telescopic Flue inc. elbow Flue AccessoriesKey Accessory Size Code No Air Duct Connection Flue Duct Connection Boiler Adaptor Twin Flue Duct AdaptorTwin Flue Connection For Roof Terminals Flue DimensionsFlue Trim Terminal Guard FigPlume Displacement Kit Fig Plume DisplacementDetermining Permissible Lengths 28/33Example Elbow30mm 50mmGeneral Fitting Notes 60Ø extension piece. It must be secured using two Elbow to allow the flue to be installed as shownUsing a suitable bit e.g mm, drill through Extension and outlet. Secure using two of the screwsUnpacking & Initial Preparation InstallationFlushing After considering the site requirementsFitting the Filling Loop Kit Fitting The Boiler Fitting the Safety Pressure Relief Discharge Pipe FigCondensate Drain see section Tighten all the connectionsWall Thickness Flue Elbow Fitting The FlueEnsure Elbow is fully engaged into Boiler Adaptor Wall Thickness Waste FlueEnsure Extension is fully engaged into Boiler Adaptor Inner Flue Support Bracket25mm Extension Cut End Terminal Block Cover Cable Clamp Making The Electrical ConnectionsPreliminary Electrical Checks Commissioning Selector Switch DisplayCommissioning the Boiler Screw Pump Automatic Air VentTemperature Control Gas Pressure Test Point Gas Valve Temperature Control Selector Switch DisplayCheck the Operational Working Gas Inlet Pressure It is necessary to set the boiler to ‘Calibration Mode’Setting the Timer Case Front Panel Facia Panel CompletionCompletion Annual Servicing Inspection Servicing13 .1 Annual Servicing 10 ±1 Electrode PositionSpark and Sensing Electrodes Fig Changing ComponentsIgniter Fig Venturi Fig Fan FigInjector Fig Gasket Venturi Injector Cover Gas Inlet Pipe Fan CollectorExtension Piece Burner FigInsulation Fig Safety Thermostat Fig Central Heating Temperature Sensor NTC FigDHW Temperature Sensor NTC Fig Flue/Heat Exchanger Thermostat Sensor FigAutomatic Air Vent Fig Pump Head Only FigPump Complete Fig Pressure Relief Valve Fig Pressure Gauge FigsHall Effect Sensor Fig Plate Heat Exchanger Fig Diverter Valve Motor Unit & Assembly Fig14.22 P.C.B. Fig Selector Switch FigExpansion Vessel Fig Gas Valve FigSetting the Gas Valve CO2 check Setting the Gas ValveFlue Adaptor Test Point Plug Analyser Probe CO2 should be 8.4% ± Reduce CO2Electrical Illustrated Wiring DiagramShort Parts List Short Parts List426 315316 311 404419 422 400 415Error Codes Fault FindingInitial Fault Finding Checks Go to section ‘A’ Turn the selector switch to Error 133 flashingReset position for 5 seconds Pump runsTurn Domestic Hot Water Error 133 flashing Go to section ‘I’Open DHW tap fully Close DHW tapSwitch terminal PCB X3 connector terminals 3Fan jammed or faulty winding Replace PCB Replace waterReplace sensor or PCB E28 Check wiring Viewing WindowGas at burner Replace gas valveReplace sensor Replace safety thermostatReplace PCB Is there 230V at Pages for Notes Pages for Notes GAS Boiler System Commissioning Checklist Service Record Potterton
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