Properties and combustion of fuel oils Oil Supplies thermometers oil level indicator oil at 37°C rotatable vanes heated water ballvalve water outlet outlet orifice collecting flask section through a Redwood No. 1 Viscometer Properties and combustion of fuel oils From Plumbing (3rd edition), R.D. Treloar, page 247 Copyright Blackwell Publishing Ltd, all rights reserved: www.blackwellpublishing.com

Oil Supplies Oil storage Above ground storage tank contents gauge 50 mm inlet access cover 50 mm vent 2 pipe oil supply sight tube oil level stopvalve filter float slope 20 mm/m d.p.c. plug oil supply line foot valve (non-return) Above ground storage tank drain/sludge valve Below ground storage tank self-closing door at high level vent fire resisting wall semirotary pump puddle flange fire valve Oil level indicator using float and gauge Earth sump Oil tank located internally Oil storage From Plumbing (3rd edition), R.D. Treloar, page 249 Copyright Blackwell Publishing Ltd, all rights reserved: www.blackwellpublishing.com

One pipe oil supply with deaerator ‘Tiger loop’ Oil Supplies inlet connection vent sight gauge stopvalve fire valve sensor fill cover with provision for dip stick filter drain valve anti-siphon saw cut 0.3 m min fire valve 3.0 m max slope non-return valve pressure jet burner One pipe oil supply suction pipe return pipe Two pipe oil supply contents indicator gauge ‘Tiger loop’ deaerator fire valve filter filter One pipe oil supply with deaerator ‘Tiger loop’ Deaerator Oil feed pipework From Plumbing (3rd edition), R.D. Treloar, page 251 Copyright Blackwell Publishing Ltd, all rights reserved: www.blackwellpublishing.com

Oil Supplies Controls used on oil feed pipework fixing screw heat sensor spring location of oil level Control on oil supply to vaporising burner element filter paper Leaded handle fire valve Pressure type fire valve Oil filter ‘Aga’ cooker trip rod soldered link trip lever spring lock re-set rod float inlet Constant oil level control filter Fusible link fire valve Oil filter and fire valves (leaded handle and pressure designs) Controls used on oil feed pipework From Plumbing (3rd edition), R.D. Treloar, page 253 Copyright Blackwell Publishing Ltd, all rights reserved: www.blackwellpublishing.com

Oil Supplies Pressure jet burners 1 Typical pressure jet open flue oil thermostat flame viewing point flue socket flow connection burner assembly baffle plates control box water ways of heat exchanger insulation combustion chamber lockout button return connection pump temporary air bleed manifold and pressure gauge fitted to adjust pressure upon commissioning Typical pressure jet open flue oil boiler (note the fire valve sensor located above the burner) Pressure jet burners 1 From Plumbing (3rd edition), R.D. Treloar, page 255 Copyright Blackwell Publishing Ltd, all rights reserved: www.blackwellpublishing.com

Inserting a by-pass screw into the pump for use with a two pipe system Oil Supplies control box photo cell air fan HT leads transformer electrodes solenoid valve fuel pump air diffuser electric motor nozzle filter flexible oil supply line flow connection return connection by-pass screw Inserting a by-pass screw into the pump for use with a two pipe system Pressure jet burners 2 Pressure jet oil burner From Plumbing (3rd edition), R.D. Treloar, page 257 Copyright Blackwell Publishing Ltd, all rights reserved: www.blackwellpublishing.com

Oil Supplies Pressure jet burners 3 Oil nozzle insulators oil supply line ignition electrodes filter nozzle electrode Oil nozzle spray angle nozzle 3 mm electrodes 15 mm nozzle position electrodes alongside a flat to provide the largest possible gap between electrodes and nozzle unwise location of electrodes; spark may short out across to the nozzle Pressure jet burners 3 From Plumbing (3rd edition), R.D. Treloar, page 259 Copyright Blackwell Publishing Ltd, all rights reserved: www.blackwellpublishing.com

Draught stabiliser door Oil Supplies OH pot advisable where down draught problems exist downdraught flaunching clamping plate 1 m min normal operating conditions during adverse conditions termination to be 1 m minimum above the roof line stainless steel flue liner loose fill insulation flue hinged flap Draught stabiliser door appliance access cover split socket (allows easy removal of boiler) draught stabiliser to be used where the flue draught exceeds 0.4 mbar 135° bends ventilation required for appliances over 5 kW flue pipe and liner size to be equal to that of the boiler take-off oil fired appliance Open flued appliances From Plumbing (3rd edition), R.D. Treloar, page 261 Copyright Blackwell Publishing Ltd, all rights reserved: www.blackwellpublishing.com

High level vertical balanced flue Oil Supplies products of combustion fresh air intake flue gas outlet gas analysis sample point air intake 600 mm weathering cravat min flashing Low level rear horizontal balanced flue insulated flue pipe terminal guard fitted on appliances at low level Room sealed oil boiler pressure jet burner High level vertical balanced flue Room sealed appliance From Plumbing (3rd edition), R.D. Treloar, page 263 Copyright Blackwell Publishing Ltd, all rights reserved: www.blackwellpublishing.com

Natural draught pot burner Oil Supplies flue insulation flue heat exchanger thermostat baffle igniter port constant oil level control HT ignition electrode oil supply control panel pot Natural draught pot burner oil level control water ways flame grilles oil distribution tube Wallflame burner Typical pot burner (‘Aga’ type cooker) Vaporising burners From Plumbing (3rd edition), R.D. Treloar, page 265 Copyright Blackwell Publishing Ltd, all rights reserved: www.blackwellpublishing.com

Taking flue gas reading Oil Supplies flue flue pipe flue boiler __ 1 Smoke test 3 sample readings should be taken one third into the flue way Draught test CO2 test Note: all holes drilled in the flue pipe will need to be suitably plugged Flue gas temperature Taking flue gas reading using an electronic analyser Combustion efficiency testing From Plumbing (3rd edition), R.D. Treloar, page 267 Copyright Blackwell Publishing Ltd, all rights reserved: www.blackwellpublishing.com