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Key No.

G.C. Part No.

Description.

No.
Off.

Makers Part No.

284 957

Seal Pack - Chassis to Flue Terminal

31/12299

285 907

Case Assembly

10/17543

285 910

Case Seal - Self Adhesive Rubber

10/17501

285 908

Viewing Aperture Seal

10/17499

285 909

Viewing Aperture Glass

10/17500

285 513

Injector N.G. 1.2mm

19/12196

285 678

Flame Safety Device Assembly

10/13477

285 930

Thermocouple-Special

10/17461

285 929

Thermocouple Connection - Special

10/17790

397 688

Interrupter Insert

10/13846

285 931

Electrode Assembly

10/17493

285 679

Pilot Injector- Special

19/12690

393 492

Piezo Unit- RV 1174

10/11935

285 934

Igniter ‘IGN’ Button

10/17507

285 935

Starter ‘ON’ Button Assembly

10/17540

285 936

Stop ‘OFF Button Assembly

10/17541

285 944

Diaphragm Assembly

10/17534

285 937

Energy Cut-Off Device Assembly - Includes Grommets

10/17792

285 942

Pressure Relief Valve Assembly

10/17866

Back Page

Содержание Medway Super

Страница 1: ...he above regulations Failure to install appliances correctly could lead to prosecution Installation must be in accordance with the Building Regulations Byelaws of the Water Undertaking and I E E Wiring Regulations It should be in accordance also with any relevant requirements of the Local Gas Region and Local Authority and the relevant recommendations of the following British Standard Codes of pra...

Страница 2: ...See Page 21 VENTILATION Being a room sealed appliance the Medway Super does not require an air vent in the room or space in which it is installed Where this appliance is installed in a compartment air vents to the compartment at both high and low levels should be provided for cooling Further guidance is given in BS 5440 Pt 2 Position of Air Vent High Low In compartment which is ventilated to room ...

Страница 3: ...0321 150mm 230mm 6in 9in Part No 31 10322 230mm 380mm 9in iSin Part No 31 1 0323 380mm 610mm iSin 24in Part No 31 1 0324 Flue Terminal Guard Optional Part No 10 10262 Notes Additional external pipework and fittings may affect the resistance and must be taken into account on installation The nominal burner pressure should be 12 5 mbar and will only be obtained if the appliance inlet pressure is cor...

Страница 4: ...th the terminal pack NOTE Where the appliance is to be installed into a SEDUCT the minimum duct required is 228mm 9in deep 349mm 15 in wide Fig 2 3 Where the building regulations require it a flue terminal guard should be fitted symmetrically around the outer part of the flue terminal 4 Unpack the water heater Find the bags of accessories before discarding the packaging 5 Turn the temperature sele...

Страница 5: ...th is in excess of 3 metres l0ft then the use of 22mm copper pipe is necessary 1 Assemble the filter O ring and inlet tail to the gas inlet 2 Depending on whetherthe main supply pipe is to be routed vertically or horizontally to the appliance connect the gas service cock stamped G either directly to the gas inlet tail or within the supply pipe NOTE The service cock should be as close to the applia...

Страница 6: ...ply is turned OFF IMPORTANT When routing the supply pipe to the appliance ensure that it can be lowered by approx 25mm to allow for disconnection when servicing 4 Connect the hot water supply pipes to the water outlet 15mm compression 5 Turn ON the mains water supply turn ON the water service cock and open all the hot water outlets to allow water to flow Purge the air from the system by closing th...

Страница 7: ... 4 Remove the screw and sealing ring from the burner pressure test point and attach a pressure gauge Fig 10 5 Fully depress and hold the ON button and repeatedly press and release the IGN button until the pilot is lit The pilot flame can be observed through the pilot viewing window 6 Hold the ON button in for a further 10 seconds after the pilot is lit then release If die pilot goes out repeal the...

Страница 8: ...ee the Instructions for Use booklet Show the user the position of the Identification Badge HAND OVER THE INSTRUCTIONS FOR USE TO ThE USER LEAVE THESE INSTALLATION AND SERVICE INSTRUCTIONS WITH THE USER FOR USE ON FUTURE CALLS ADVISE THE USER THAT FOR CONTINUED EFFICIENT AND SAFE OPERATION OF THE APPLIANCE IT IS IMPORTANT THAT SERVICING IS CARRIED OUT AT INTERVALS RECOMMENDED BY THE LOCAL BRITISH G...

Страница 9: ...kwise from the fully in position Turning the screw clockwise delays the ignition anti clockwise advances the ignition Fig 14 WARNING NEVER OPERATE THIS APPLIANCE WITH THE OUTER CASE REMOVED 1 Check the piezo unit flame safety device and thermocouple clean or replace if necessary 2 Remove the burner assembly and clean using a soft brush or vacuum cleaner 3 Check the pilot injector and clean or repl...

Страница 10: ...ORDER UNLESS OTHERWISE STATED This chart shows the steps to be taken in order access a specific part or perform a particular function Use this chart in conjunction with the detailed procedures on the following pages START General Access Main Burner Remove Piezo Unit Remove Pilot Injector Remove Thermocouple and Electrode Remove Pilot Injector Remove Water Governor and Push Rod Remove Energy Cut Of...

Страница 11: ...R a Turn OFF the gas and water supplies at the service cocks b Slide out the bottom cover c Remove the 3 fixing screws and pull off the outer case Fig 18 d Remove 4 fixing screws from the burner assembly 2 each side e Remove 2 screws securing the front to the heating unit f Pull the burner assembly slightly forwards to clear the injectors then pull apart and withdraw taking care not to snag the pi...

Страница 12: ...nt filter disconnect the union nut and carefully lift up the pilot tube taking care not to lose the pilot injector c On re assembly ensure the pilot injector is correctly seated taper side down and that the lint filter is correctly assembled and located on the union nut NOTE The lint filter can be cleaned if required Fig 21 6 5 FLAME SAFETY DEVICE a Gain general access see 6 2 b Disengage the elec...

Страница 13: ... detection fluid i Re assemble remaining parts and ensure the water service cock is in the ON position Fig 23 6 6 TO DRAIN THE APPLIANCE a Ensure that the gas and water service cocks are turned OFF b Open a hot water outlet c Have a suitable container to hand Remove the drain screw from the water service cock and allow the water to drain Fig 24 6 7 WATER GOVERNOR a Gain general access see 6 2 b Dr...

Страница 14: ... separate the two halves of the water governor Fig 26 DESCALE AND REGREASE j Remove both the brass washer and O ring from the top opening Clean the washer k Clean the top opening then pack with a silicone grease such as Dow Corning 111 Fit a new O ring and re fit the brass washer I Hold the thrust plate remove the fixing nut and lift out the diaphragm assembly Clean or renew as required On re asse...

Страница 15: ...er manifold are only available as a combined assembly Retain all screws and O rings from the old assembly or renew NOTE On re assembly slide the pressure test point extension tube through the grommet before locating the manifold against the location brackets Fig 30 g Re fit the water governor Drain screw h Re connect the burner supply pipe i Test for gas soundness as follows Ensure the water servi...

Страница 16: ...D WATER AND SEEK MEDICAL ADVICE CARRY OUT THE FOLLOWING OPERATION OUT OF DOORS ACID WATER SOLUTION CAN DAMAGE FURNISHINGS ETC a Gain general access see 6 2 b Drain the appliance see 6 6 c Remove the heating unit see 6 10 d Invert the heating unit on a suitable bench or table e Using rubber tube and acid resisting tanks assemble as shown in fig 33 f All the upper container with a proprietary brand ...

Страница 17: ...seal to the outer case by bending over the 2 spare straight tabs Fig 34 6 13 ENERGY CUT OFF DEVICE a Gain general access see 6 2 b Disconnect the energy cut off leads from the interrupter located on the underside of the chassis c Remove the 2 screws securing the energy cut off device to the heating unit located top front left d Pull the leads complete with grommets up through the chassis base e Fi...

Страница 18: ...th pilot injector Part No 19 12690 Also clean the lint filter located at the base of pilot tube 8 Faulty components 8 Replace any faulty components found Piezo Unit Part No 10 11935 Electrode Assembly Part No 10 1 7493 9 No gas to the appliance 9 Call in your local British Gas Region PILOT LIGHTS BUT WILL NOT REMAIN ALIGHT 1 Thermocouple connections loose 1 Tighten the connections 2 Pilot flame so...

Страница 19: ...the screw clockwise delays the ignition anti clockwise advances the ignition The screw should be set 2 full turns out anti clockwise from the fully in position When correct the burner ignition should be smooth and quiet when a hot water outlet is opened NO OR LOW WATER FLOW RATE 1 Blocked water filter 1 Clean the debris from the filter 2 Heat exchanger blocked with lime 2 Descale or replace Part N...

Страница 20: ...kwise from the fully in position When correct the burner ignition should be smooth and quiet when a hot water outlet is opened NOISY HEATER 1 Heat exchanger scaled Ultimately this will cause the heat exchanger fins to discolour and buckle 1 Descale or replace Part No 10 1 7558 2 Noisy ignition could be caused by incorrect setting of the slow ignition screw 2 See Fig 16 for the position of the scre...

Страница 21: ...ly by other causes especially during the summer months when the inlet water temperature is unusually high POSSIBLE CAUSE SOLUTION Temperature selector set too high for the time of year Select a lower temperature However if the energy cut off device reacts to a slowly closing automatic gas valve the shut down of the appliance may be accompanied by noises from the heat exchanger and pipework The pre...

Страница 22: ...22 8 SHORT SPARE PARTS LIST page 22 ...

Страница 23: ...477 54 285 930 Thermocouple Special 1 10 17461 53 285 929 Thermocouple Connection Special 1 10 17790 52 397 688 Interrupter Insert 1 10 13846 55 285 931 Electrode Assembly 1 10 17493 58 285 679 Pilot Injector Special 1 19 12690 44 393 492 Piezo Unit RV 1174 1 10 11935 59 285 934 Igniter IGN Button 1 10 17507 60 285 935 Starter ON Button Assembly 1 10 17540 61 285 936 Stop OFF Button Assembly 1 10 ...

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