Benchmark Procombi A Series Installation & Servicing Instructions Manual Download Page 30

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Table 4

218

200

613

700

701

702

800

801

486

497

POS.

DESCRIPTION

A28

A32

A36

Roomsealed chamber

R10028479

R10028447

Roomsealed chamber side

R10026231

Fan

R10028456

Burner assembly

R10028537

R10028642

R10028537

Spark / ignition electrode

R10027864

Condense electrode

R10026316

Gas pipe

R10029096

R10030387

Gas valve

R10028538

3/4" gas cock

R10020897

Combustion chamber cover

R10028345

R10026230

Glass stopper assembly

R10026328

Plug

R10023805

Air gas conveyor

R10028420

Pipe

R10030381

R10028204

R10028206

Gas diaphragm 6,7

R10027161

R10027162

Washer Ø 62

R10026322

Tryton

R10028425

Mixer

R10024295

Flame detection electrode

R10028422

200

Washer

R5023

486

O ring

R10026325

497

Washer

R10026796

613

Ignition transformer

20001563

700

Spark electrode cable

R10026558

701

Gas valve cable

R10029108

702

Ignition cable

20001681

800

Ng conversion kit

R01005465

R01005466

801

LPG conversion kit

R01005447

R01005448

Summary of Contents for Procombi A Series

Page 1: ...structions Installation Servicing Instructions Installation Servicing Instructions Installation Servicing Instructions THESEINSTRUCTIONS TO BE RETAINED BY USER 0694 0694BR1207 G C NUMBER PROCOMBI A28...

Page 2: ...sign pressure 13 5 11 Regulating the central heating system 13 5 12 Final checks 13 5 13 Instructing the user 13 Servicing Page 6 1 General 14 6 2 Routine annual servicing 14 6 3 Replacement of compon...

Page 3: ...s This booklet is an integral part of the appliance It is therefore necessary to ensure that the booklet is handed to the person responsible for the property in which the appliance is located installe...

Page 4: ...wise to increase the hot water outlet temperature or counter clockwise to reduce the temperature Heating temperature selector Move the selector clockwise to increase the heating outlet temperature or...

Page 5: ...a ture the burner will shut down and the boiler will perform a three minute anti cycle timer delay When the request for heat has been satisfied the appliance pump and fan may continue to operate to di...

Page 6: ...e Sides 12mm Top 150mm from casing or 25mm above flue elbow whichever is applicable Bottom 150mm Front 600mm 2 7 Connections PROCOMBI A Range Flow return 22mm Gas 15mm DHW hot cold 15mm Safety valve 1...

Page 7: ...y level 300 mm J From a surface or boundary facing the terminal 1200 mm K From a terminal facing a terminal 1200 mm L From an opening in the car port into the building 1200 mm M Vertically from a term...

Page 8: ...when they are in use at the same time BS 5440 PART 1 FLUES BS 5440 PART 2 FLUES VENTILATION BS 5449 PART 1 FORCED CIRCULATION HOT WATER SYSTEMS BS 5546 INSTALLATION OF GAS HOT WATER SUPPLIES FOR DOMES...

Page 9: ...the mains electricity supply must allow for complete isolation from the supply The preferred method is by using a double pole switch with a contact separation of at least 3 5mm 3 high voltage category...

Page 10: ...flue hole if applicable If you intend to run the pipe work vertically behind the boiler move the screws on the fixing jig from the default position No 3 to position No 5 You will also require a spacer...

Page 11: ...ngth to the flue terminal see fig 9 10 The flue system should have a mini mum of 1 maximum of 3 rise from the boiler to outside to ensure any condense fluid that forms is allowed to drain back to the...

Page 12: ...A safety valve outlet B flow C DHW outlet D gas E return F DHW inlet A B C D E F Fig 11 Fit the appropriate flashing plate to the roof and inserttheverticalflueterminalthroughtheflashing plate from th...

Page 13: ...or to the appliance must be 3 core flexible sized 0 75mm to BS 6500 or equivalent Wiring to the appliance must be rated for operation in contact with sur faces up to 90 C 4 7 1 CASING REMOVAL fig 13 T...

Page 14: ...s Open the drain valve full bore to remove any installation debris from the boiler prior to lighting Refill the boiler and heating system as described in 5 3 5 5 PRE OPERATIONCHECKS Before attempting...

Page 15: ...ULATING THE DHW FLOW RATE The appliance is fitted with a flow rate restrictor that limits the maximum flow rate that can be drawn through the appliance The restrictor eliminates the need to manually a...

Page 16: ...ssary the condense trap to ensure correct operation 6 3 REPLACEMENTOFCOMPONENTS Although it is anticipated that this appliance will give years of reliable trouble free service the life spanofcomponent...

Page 17: ...everse order 6 11 PRINTEDCIRCUITBOARD fig 21 Carry out component removal procedure as de scribed in 6 4 Pull the control fascia forward and lower it Push the clips A which secure the PCB cover remove...

Page 18: ...Disconnect all the wiring connections Fig 25 Slacken the gas pipe A at the air box connection and swing rotate of the fan assembly Disconnect the flow B return C and condense connections on the heatex...

Page 19: ...o cate and remove the 6 screws A that secure the vessel top holding plate B remove the plate The expansion vessel can now be removed Re place in the reverse order Ensure all seals are in good conditio...

Page 20: ...ing pin A that secures the valve housing cover to the hydraulic manifold Gently prise the valve as sembly from the manifold Replace in the reverse order ensuring that the seating assembly is in serted...

Page 21: ...runtilthefunctionismanuallydeactivated FROST PROTECTION this function is only activewhentherearenorequestsforheatingor HW If the temperature drops below 6 C the boiler will operate on minimum power un...

Page 22: ...he OFF position and remove the 3 selector knobs 7 3 2 ABSOLUTE MAX FAN SPEED Locate the MAX trimmer fig 36 and gently ad just clockwise or counter clockwise to achieve the correct fan speed see table...

Page 23: ...ply No hot water Check pipe work No heating Check external controls Fault code Possible cause 10 Check gas supply check flue system check polarity 7 8 ELECTRICALCHECKS Any electrical checks must be ca...

Page 24: ...cle delay 3 min Pump over run 30 sec Low output min output Min 25 CO function max temp C 95 CO re light temp C 75 CO function time 15 min Flow NTC max temp C 95 High limit thermostat C 105 Burner ther...

Page 25: ...41 externalsensor 8 3 OTHERDEVICES Contact the controls manufacturer and or the technical department should you require more specific information on the suitability of a particu larcontrol Furtherguid...

Page 26: ...low over heat thermostat F T Fumethermostat G Cable connector M3 M5 Terminal strip for supply in clock room thermostat M3a M4 Terminalstripforesternalsensor condensepump lowtemperature thermostat OT O...

Page 27: ...26 Instrumental panel 20005205 20005205 20005205 27 Knob assembly R10028559 R10028559 R10028559 31 Case Assembly R01005481 R01005482 R01005482 49 Timercarrier R10028477 R10028477 R10028477 76 Timer R...

Page 28: ...25733 R10025733 37 Pipe R10030509 R10030509 R10030509 47 Cover for by pass assembly R10024643 R10024643 R10024643 48 Cock R10024646 R10024646 R10024646 63 Pipe R10028492 R10028492 R10028492 65 Pipe R1...

Page 29: ...2 71 Pipe R10028430 R10028516 R10028515 72 Venting plug R10023235 R10023235 R10023235 73 Cock R10028431 R10028431 R10028431 200 Washer R5023 R5023 R5023 201 Washer R5026 R5026 R5026 247 Washer R5203 R...

Page 30: ...ass stopper assembly R10026328 R10026328 R10026328 27 Plug R10023805 R10023805 R10023805 35 Air gas conveyor R10028420 R10028420 R10028420 39 Pipe R10030381 R10028204 R10028206 46 Gas diaphragm 6 7 R1...

Page 31: ...1 R10028421 R10028421 27 Nut screw R10020625 R10020625 R10020625 475 Washer 125 R10026323 R10026323 R10026323 482 Washer R10026366 R10026366 R10026366 487 Washer 60 R10026345 R10026345 R10026345 552 W...

Page 32: ...ERLY CALI BRATED FLUE GAS ANALYSER Isolate the appliance from the electrical supply and remove the appliance casing as described in 4 7 1 Set the flue gas analyser to read CO2 and inserttheprobeintoth...

Page 33: ...ording to the respective appliance specification as detailed on the appliance data badge 10 7 1 CHECKING ADJUSTING THE APPLIANCE FAN SPEEDS Move the selector switch to the OFF position and remove the...

Page 34: ...s ALL INSTALLATIONS If required by the manufacturer record the following CO2 OR CO ppm OR CO CO2 Ratio The heating and hot water system complies with the appropriate Building Regulations Yes The boile...

Page 35: ...ignature SERVICE 7 Date Energy Ef ciency Checkl ist completed Yes No Engineer Name Company Name Telephone Number CORGI ID Number Comments Signature SERVICE 9 Date Energy Ef ciency Checkl ist completed...

Page 36: ...es assistance and Technical advice for Procombi A Boilers Service Technical Helpline 0870 264 1220 Heating Services PO BOX 167 BRADFORD BD19 4WL We reserve the right to change the specifications witho...

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Benchmark Procombi A Series, Installation & Servicing Instructions Manual

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