Alpha Boilers Benchmark HE CB33 Скачать руководство пользователя

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Installation and Servicing

Instructions

Alpha HE CB25/33 and HE SY25

Nepicar House, London Road,

Wrotham Heath, Sevenoaks,

Kent TN15 7RS

For Technical help or for Service call ...

ALPHA HELPLINE

Tel: 0870 3001964

Alpha HE CB25 G.C. No. 47 532 25
Alpha HE CB33 G.C. No. 47 532 26
Alpha HE SY25 G.C. No. 47 532 07

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Service Listed

For use with Natural Gas only

Leave these instructions with the User

Wall Mounted, Fan Assisted, Room Sealed, Gas Fired,

High Efficiency Condensing Boiler Range

Содержание Benchmark HE CB33

Страница 1: ...Technical help or for Service call ALPHA HELPLINE Tel 0870 3001964 Alpha HE CB25 G C No 47 532 25 Alpha HE CB33 G C No 47 532 26 Alpha HE SY25 G C No 47 532 07 Service Listed For use with Natural Gas...

Страница 2: ...person ie CORGI registered personnel in accordance with the following recommendations Current Gas Safety Installation and Use Regulations All current Building Regulations issued by the Department of t...

Страница 3: ...l fitted Alpha HE CB33 Alpha HE CB33 MIN 15 2 51 800 13 2 45 000 1 2 0 48 1 46 51 5 MAX 36 6 124 800 33 2 113 300 11 6 4 64 3 49 123 2 MAX 27 4 93 400 25 0 85 300 24 0 81 900 12 3 4 92 2 61 92 1 MIN 1...

Страница 4: ...NG gal min 3 7 3 3 2 9 2 2 Btu h 85 300 75 000 68 200 49 500 kW 25 0 22 0 20 0 14 5 Output 50 30 C Available pump head metres 1 8 2 1 2 4 2 9 feet 6 0 7 0 8 0 9 6 litre min 16 7 15 0 13 3 10 0 Flow ra...

Страница 5: ...Appliance Must Be Earthed An optional integral two channel Clock kit Part No 6 1000220 is available if required Note Only use the Alpha two channel clock Do not fit any single channel clocks 1 Ensure...

Страница 6: ...e switch 13 Flue sample point 14 Condensing heat exchanger 15 Flue limit thermostat 16 Expansion vessel 17 Primary temperature sensor 18 Overheat thermostat 19 Flame sensing electrode 20 Condensate tr...

Страница 7: ...chamber 10 Pressure tube 11 Fan 12 Air pressure switch 13 Flue sample point 14 Condensing heat exchanger 15 Flue limit thermostat 16 Expansion vessel 17 Primary temperature sensor 18 Overheat thermos...

Страница 8: ...ed and constructed specifically for the purpose i e comply with the Building Regulations 3 4 FLUE SYSTEM Fig 3 The flue system must be installed in accordance with BS 5440 1 For horizontal flues ensur...

Страница 9: ...OPTIONS Lmax 3 metres L B C E 230 mm Alpha HE CB25 33 SY25 General Boiler Information L B C 230 mm C B E C B E B F B C L B E F 230 mm 90 bend 1 3 metre L B C 230 mm 2 x 45 bends 1 8 metre Fig 3 VERTI...

Страница 10: ...d boiler is installed in a room containing a bath or shower it must not be possible for a person using the bath or shower to touch any electrical switch or boiler control utilising mains electricity T...

Страница 11: ...automatic is fitted Alpha HE CB25 33 SY25 General Boiler Information 3 8 FILLING THE CENTRAL HEATING SYSTEM Figs 6 7 The system design pressure cold should be set to 1 0 bar This pressure is equivale...

Страница 12: ...stem while the water is still hot iii Refill and chemically clean the system as instructed by the recommended cleaner manufacturer iv Ensure the system is flushed to remove any remains of the cleaner...

Страница 13: ...l taps and mixing valves used with the hot water system must be suitable for operating at a mains pressure of up to 8 bar Showers A shower may be used with the boiler if required If a loose or flexibl...

Страница 14: ...E THE WALL Figs 11 12 1 Decide upon the position of the boiler taking into account the clearances required for servicing and the flue terminal position 2 Tape the template to the wall ensure it is lev...

Страница 15: ...ot forget that the pressure relief valve discharge pipe must be routed clear of the boiler to a drain in such a manner that it may be seen but cannot cause injury to persons or property 4 Connect the...

Страница 16: ...s sealing the outside wall and that it is not restricting any of the openings of the flue terminal 5 Position the seal and clamp two screws supplied over the bend Fit the bend to the boiler and rotate...

Страница 17: ...mewhat from the outside wall 4 7 EXTENDING THE FLUE Fig 19 Note The maximum horizontal flue assembly length must not exceed a length of 3 metres 1 When the flue length required is more than the maximu...

Страница 18: ...ally over both the bend and adaptor 10 Slide the clamp three screws over the outer duct and pull the flue assembly towards the bend locating the inner duct into the seal joint on the bend 11 Secure th...

Страница 19: ...ing and secure in place with the screws supplied do not overtighten the screws 4a HE CB25 33 IMPORTANT Only use an Alpha single channel clock Do not fit a two channel clock to an HE CB25 33 i Disconne...

Страница 20: ...half a turn then replace the cap 6 Check the operation of the pressure relief valve see Fig 2 by turning the head anti clockwise until it clicks The click is the valve lifting off its seat allowing wa...

Страница 21: ...ew on the gas valve and connect a pressure gauge Allow the boiler to run for 10 minutes and check the burner pressures Hot water mode HE CB25 33 only 1 Settheselectorswitchto DHWonly andfullyopenahotw...

Страница 22: ...2 The importance of annual servicing of the boiler to ensure safe and efficient operation 3 That any servicing or replacement of parts must only be carried out by CORGI registered personnel 4 Ensure t...

Страница 23: ...a demand for hot water by opening a hot tap etc is sensed by the flow switch the pump starts and the burner lights at its middle output increasing immediately to its maximum output Water in the boile...

Страница 24: ...joints and check the tightness of any fittings that may be leaking 5 It is recommended that the operation of the safety valve is checked by turning the head anti clockwise until it clicks The click i...

Страница 25: ...d the gas manifold 6 Clean the top of the burner with a soft brush and check that the flame ports are clear Blockages may be removed with a stiffer brush Tap the burner open end down to remove any dep...

Страница 26: ...tral heating flow and return valves see Fig 13 Connect a suitable pipe to the drain point see Fig 2 and route it to a suitable container Open the drain point 2 Hot water circuit Close the mains water...

Страница 27: ...s 5 to 9 8 8 AIR PRESSURE SWITCH Fig 24 1 Gain access to the combustion chamber as in Section 8 1 2 Disconnect the pressure sensing tube 3 Disconnect the wiring and remove the switch from the clip 4 C...

Страница 28: ...ame is located correctly in the front panel 8 13 INTERNAL FUSE Refer to Fig 20 The fuse is located in the boiler terminal block 1 Gain access as described in Installation Section 4 8 2 Lift out the fu...

Страница 29: ...n the boiler as described in Section 8 2 3 Disconnect the two primary flow and return connections and disconnect the flue limit thermostat connection 4 Remove the two screws securing the flue hood and...

Страница 30: ...Section 5 1 Alpha HE CB25 33 SY25 Component Replacement Fig 30 8 23 PUMP Fig 30 Gain access behind the casing and drain the boiler heating circuit as described in Sections 8 1 and 8 2 Pump head 1 Rem...

Страница 31: ...ater circuit as described in Section 8 2 Remove the four screws securing the bottom tray and remove the tray 2 Withdraw the filter after disconnecting the unions between the inlet valve and boiler ite...

Страница 32: ...el 3 Remove the four screws securing the top support plate 4 Lift the expansion vessel out of the boiler 5 When replacing the vessel ensure that the connection is towards the front of the boiler and r...

Страница 33: ...33 9 1 HE CB25 33 ILLUSTRATED WIRING DIAGRAM Alpha HE CB25 33 SY25 Wiring Diagrams 9 WIRING DIAGRAMS...

Страница 34: ...34 Alpha HE CB25 33 SY25 Wiring Diagrams 9 2 HE SY25 ILLUSTRATED WIRING DIAGRAM...

Страница 35: ...35 9 3 HE CB25 33 FUNCTIONAL FLOW WIRING DIAGRAM Alpha HE CB25 33 SY25 Wiring Diagrams...

Страница 36: ...36 9 4 HE SY25 FUNCTIONAL FLOW WIRING DIAGRAM Alpha HE CB25 33 SY25 Wiring Diagrams...

Страница 37: ...trical system checks i e Earth Continuity Resistance to Earth Short Circuit and Polarity with a suitable meter Note These checks must be repeated after any servicing or fault finding 3 Ensure all exte...

Страница 38: ...38 Alpha HE CB25 33 SY25 Fault Finding 10 3 DOMESTIC HOT WATER HE CB25 33 only Follow operational sequence...

Страница 39: ...39 Alpha HE CB25 33 SY25 Fault Finding 10 4 FAULT FINDING SOLUTIONS A to F...

Страница 40: ...40 Alpha HE CB25 33 SY25 Fault Finding 10 5 FAULT FINDING SOLUTION SECTIONS G to J...

Страница 41: ...41 Alpha HE CB25 33 SY25 Fault Finding 10 6 FAULT FINDING SOLUTION SECTIONS K to L...

Страница 42: ...panel set HE CB33 Condensing heat exchanger Condensate trap Description British Gas GC No H28 376 H28 377 H28 378 H28 379 H28 380 E57 739 E96 568 E57 665 E57 666 H28 381 H28 382 E85 125 E76 320 E65 1...

Страница 43: ...ale reducer has been fitted FOR DOMESTIC HOT WATER MODE MEASURE AND RECORD THE FOLLOWING Gas rate m hr ft hr Maximum burner operating pressure if applicable N A mbar Cold water inlet temperature C Hot...

Страница 44: ...cing all controls SERVICE 1 Date Engineers Name Company Name Telephone No CORGI ID card serial No Comments Signature SERVICE 2 Date Engineers Name Company Name Telephone No CORGI ID card serial No Com...

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