Worcester Benchmark Danesmoor Utility 12/14, Installation And Servicing Instructions

Page 1: ...0 70 CONVENTIONAL FLUE AND ROOM SEALED BF FLOOR STANDING OIL FIRED PRESSURE JET APPLIANCES INSTALLATION AND SERVICING INSTRUCTIONS THESE INSTRUCTIONS ARE TO BE LEFT WITH THE APPLIANCE This appliance must be installed and serviced by a competent person ...

Page 2: ...ccording to the manufacturers instructions Without the completion of the Log book manufacturers may refuse to respond to a call out from a householder who will be advised that he or she must call back the installer who has not fulfilled his obligations to record the information required by the initiative It is important that The services and the system are properly flushed as specified The User is...

Page 3: ...bar 6 mbar 12 mbar 19 mbar 7mbar 10mbar 24 g hr 35 kg hr 43 kg hr 57 kg hr 85 kg hr 115 kg hr 55 C minimum cut in o 82 C maximum cut out 5 C 100 0 6 C 110 0 6 C CF RS Model POWER SUPPLY HEATING FLOW HEATING RETURN MINIMUM FLUE REQUIREMENT Balanced Flue Kit Balanced Flue Kit Balanced Flue Kit Balanced Flue Kit Section 7 3 Section 7 3 Section 7 3 Section 7 3 N A N A 12 14 15 19 20 25 26 32 32 50 50 ...

Page 4: ...0 25 85 000 NOMINAL BOILER RATING AT NORMAL OPERATING TEMPERATURE 20 25 Table 4 Electro Oil Inter B11C Burner See Fig 20 Fuel Nozzle Pump Pressure p s i Fuel Flow Rate Flue Gas Temp C CO2 Approx Air Setting Appliance Input kW Btu hr kW Btu hr Output Kg h l h 28 Sec Kerosene 0 85 80 EH 110 2 36 2 99 225 11 0 11 5 11 28 5 97 000 26 89 000 28 Sec Kerosene 0 85 80 EH 130 2 66 3 37 240 11 0 11 5 12 32 ...

Page 5: ...0 12 5 2 75 45 3 154 500 41 140 000 a 28 Sec Kerosene 1 35 60 S 150 4 6 5 81 220 12 0 12 5 4 75 55 25 188 500 50 171 000 35 Sec Gas Oil 0 85 60 S 210 3 82 4 6 190 12 0 12 5 2 75 45 3 154 500 41 140 000 35 Sec Gas Oil 1 0 60 S 260 4 66 5 61 210 12 5 13 0 6 5 55 25 188 500 50 171 000 NOMINAL BOILER RATING AT NORMAL OPERATING TEMPERATURE 32 50 Table 7 Electro Oil Sterling 50 Burner See Fig 22 Convent...

Page 6: ...e combustion chamber To provide sufficient air a suitable inlet should be provided into the room or space in which the boiler is situated the sizes of which are shown in Table 9 An air brick or other form of continuous air supply may have to be built into the installation in order to ensure an adequate supply of air 6 2 If the appliance is to be installed in a confined space or compartment two air...

Page 7: ...onal pump location Manual reset overheat thermostat Strain relief bush Burner plug in connector High limit thermostat Fire valve clip Side panel Top panel Front panel Thermostat knob Manual reset over heat thermostat phial Automatic reset high limit thermostat phial Control thermostat phial Split pin Control Box Assembly ...

Page 8: ...r plug in connector Isolating valve Front panel Burner cover Side panel Burner Strain relief bush Thermostat knob Optional pump location Burner seal gasket Burner locking screw Fire valve clip Side panel locking screw A Manual reset over heat thermostat phial Automatic reset high limit thermostat phial Control thermostat phial Split pin Control Box Assembly ...

Page 9: ...e with this appliance as there is no provision for installation of the flue gas purge timer However where fume odour will not present a problem eg boilerhouse outhouse the flue kit may be used without the purge unit Alternatively a standard Danesmoor kitchen appliance or room sealed utility model should be used The LLD kit converts the 12 14 15 19 20 25 and 26 32 conventional flue appliances to di...

Page 10: ...tension kit a Rear Discharge 4 to 7 Single Skin Wall For use with non standard single skin walls up to 182 mm thick Where noise emission from the flue terminal is likely to be of concern it is recommended that the standard 12 in terminal is used and the appliance stood away from the wall to take up the extra terminal body length c Rear Discharge Extension Kit 12 to 36 Wall X For use where the wall...

Page 11: ...ance of combustion products An alternative flue terminal position should be sought when there is any possibility of a nuisance being caused by inadequate dispersal of flue products Terminals should be positioned so as to avoid products of combustion entering into buildings Fig 7 Flue terminating positions for oil fired appliances Window Flue Terminal Fig 8 Terminal guard Minimum dimensions 265 280...

Page 12: ... the burner and the length of pipe run b The oil supply pipe should be laid as level as possible to avoid air pockets and unnecessary friction losses c The following components should be fitted in the fuel line between the storage tank and burner 1 A Manual isolating valve installed as close to the tank as possible 2 A fire valve in accordance with BS5410 as shown in Fig 10 The fire valve should b...

Page 13: ...level H 4 m 13 ft maximum Fire valve to BS 5410 Fire valve to BS 5410 Isolating valve Isolating valve Fire detection element Filter Burner Burner Wall Wall b Double pipe system Isolating valve Non return valve Non return valve Fire detection element Isolating valve Oil tank c Single pipe lift system with de aerator Fire valve to BS 5410 H 3 5 m 11 5 ft maximum Burner Wall Fire detection element De...

Page 14: ...ed 15mm min Heating vent 22mm min Fig 12 Typical Open Vent Fully Pumped System Honeywell Y plan Feed and Vent Cistern Diverting valve Boiler Pump Radiator S H Minimum static head 1m 3ft measured from the top surface of the appliance or highest point in the heating system to the water level in the feed and expansion tank N B A drain cock should be installed at the lowest point of the heating circui...

Page 15: ...Domestic hot water cylinder Pressure gauge Safety valve To system filling device see Fig 14 Fig 14 System filling and make up Temporary hose Heating return Non return valve Stop cock Auto air vent Fill point Heating return 30mm 12in min above highest point of the system Make up vessel METHOD 1 METHOD 2 Boiler Automatic bypass valve to be fitted where thermostatic radiator valves are fitted on all ...

Page 16: ...em Pipework Copper pipework must be used when installing the appliance on a sealed system 2 General The system should be installed in compliance with the requirements of BS5449 Part 1 The boiler must be fitted with a spring loaded safety valve set to operate at 3 bar 45 psi and the pipe connections made throughout the system must be capable of sustaining a pressure of up to 3 bar The following is ...

Page 17: ...V 50Hz 5 amp fuse Tank Stat Room Stat System Water Valves Pump External Timer Fig 16 Pre wired Remote Y Plan or S Plan If the system is fully pre wired at a junction box remotely from the boiler it can be easily connected into the Worcester Utility Oil Boiler 10 WAY JUNCTION BOX NOTE If a frost thermostat is required it can be wired to the remote junction box NOTE The 10 way junction box must be a...

Page 18: ... on oil supply pipes as this could cause a hazard in the case of a fire 2 Fit an isolating valve at the end of the oil line close to the burner and ensure that the valve is closed Continue from step 11 5 b 5 Room sealed balanced flue appliance a Single pipe suction lift with de aerator For connection of single pipe suction lift with de aerator follow the proceedure as for a double pipe system as d...

Page 19: ...sulation is positioned correctly in the bottom of the boiler 3 Check that all baffles are correctly located and the heat shield is correctly mounted 20 25 26 32 32 50 and 50 70 models only as shown in Fig 24 4 Check that the baffle retainer is correctly mounted 20 25 26 32 32 50 and 50 70 models only as shown in Fig 24c 24d and 24e 5 On the 50 70 remove and discard the transit baffle retainer as s...

Page 20: ...e case then check that the baffles are correctly located If the baffles are correctly located then reduce the pump pressure since nozzle variations of up to or 15 may occur 12 15 Remove the oil pressure gauge and manifold and check all oil system joints for any signs of leakage 12 16 On the RS balanced flue model fit the burner cover box supplied in the flue terminal kit by lining up the four ball...

Page 21: ...ated at the rear of the nozzle line and rotate the adjusting disc one turn anti clockwise to move forward by 1 mm Output Dimension kW Head Type A 15 PL 6 7 21 5 10 3 mm 17 PL 6 7 21 5 10 5 mm 19 PL 6 7 21 5 10 5 mm Fig 20 Electro Oil Inter B11 Burner 20 25 model Combustion Head Air control indicator Photocell Air adjustment screw 4 mm hexagonal head Transformer Control box Oil pump Pressure adjust...

Page 22: ...mm hexagonal head Spark gap 2 5 3 0mm 0mm 7 5mm A Photocell Air guide Remove at 50kW 28sec only Nozzle block 0mm Nozzle 7 5mm Blast tube Spark gap 2 5 to 3mm A Fig 22 Electro Oil Inter B20C Burner 32 50 model Oil pump Control box Pressure adjustment screw Air adjustment screw 4mm hexagonal head Air control indicator Lockout reset button Transformer Photocell Combustion Head PL 10 8 10 6 19 10 E x ...

Page 23: ... and clean the burner 3 On the CF model check and clean the air intake grille located in the boiler room 4 On the RS balanced flue model check and clean the air intake ducts at the rear and underneath the boiler and the air intake grille at the end of the terminal 5 Check and clean the baffle retainer 20 25 26 32 32 50 and 50 70 models 6 Check and clean the cap retainer 32 50 and 50 70 models 7 Ch...

Page 24: ... the electrical box d Feed the electrical lead back through the grommet seal to give sufficient play to allow withdrawal and inspection of the burner e Slacken the two M6 burner locking screws using a 5mm Allen key and remove the burner b 15 19 c 20 25 and 26 32 ENSURE THAT ALL BAFFLES ARE SEATED IN POSITION a 12 14 Baffle retainer Baffle Baffle Heat shield Fig 24 Location of Boiler Flueway Baffle...

Page 25: ...is and clean if necessary d Check that the 3 holes in the check valve are clear of any debris Discard the check valve if the holes cannot be cleared or if the unit is defective and replace with a new one e Replace in the reverse order 5 It is strongly recommended that the oil atomising nozzle is replaced at each service If this is not possible then remove and clean the integral filter but under no...

Page 26: ...forward to compress the gasket and tighten the two locking screws using a 5mm Allen key Note It is important that a good seal is made between the burner and the boiler to prevent re emission of the flue gases from the combustion chamber to the burner inlet or the room in the case of a CF LLD appliance 3 On the RS balanced flue model feed the electrical lead back through the hole in the burner surr...

Page 27: ...oiler does not respond to a call for heat Boiler thermostat faulty Check by linking out high limit and control thermostats Programmer open circuit Faulty control box Replace if necessary Flue draught incorrect Check flue draught Combustion settings incorrect Set up as in installation instructions Faulty nozzle Replace nozzle HIGH SMOKE NUMBER Faulty nozzle Replace nozzle Incorrect combustion setti...

Page 28: ...n the interests of continued improvement All goods sold are subject to our official Conditions of Sale a copy of which may be obtained on application 8 716 104 437b 06 03 Worcester Heat Systems Limited Bosch Group Cotswold Way Warndon Worcester WR4 9SW Telephone 01905 754624 Fax 01905 754619 Technical Helpline 08705 266241 www worcester bosch co uk ...