Worcester DANESMOOR FS12/18 Installation And Servicing Instructions
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Worcester DANESMOOR FS12/18 Installation And Servicing Instructions

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DANESMOOR
FS12/18 & FS18/25
CONVENTIONAL FLUE AND ROOM SEALED BF
FLOOR STANDING OIL-FIRED PRESSURE JET APPLIANCES
INSTALLATION AND

SERVICING INSTRUCTIONS

Burner Silencer — Application No. 0317154.3
BOILER OUTPUT
Hot Water and Central Heating
12/18 MINIMUM 12 kW (41,000 Btu/h)
18/25 MINIMUM 18 kW (61,500 Btu/h)
THESE INSTRUCTIONS APPLY TO UK MODELS ONLY
THESE INSTRUCTIONS ARE TO BE LEFT WITH THE APPLIANCE
Patents Pending
Boiler — Application No. 0203466.8
Baffle — Application No. 0303731.4
MAXIMUM 18 kW (61,500 Btu/h)
MAXIMUM 25 kW (85,000 Btu/h)
Worcester supports the
Benchmark code of practice

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Summary of Contents for Worcester DANESMOOR FS12/18

  • Page 1: Servicing Instructions

    Boiler — Application No. 0203466.8 Baffle — Application No. 0303731.4 Burner Silencer — Application No. 0317154.3 BOILER OUTPUT Worcester supports the Benchmark code of practice Hot Water and Central Heating 12/18 MINIMUM 12 kW (41,000 Btu/h) MAXIMUM 18 kW (61,500 Btu/h)

  • Page 2: Table Of Contents

    (RS) appliances. BS 5410: part 1& 2: Code of practice for Oil Fired Boilers. 2.2 The Worcester Danesmoor range of appliances covered in BS 799: part 5: Specification for Oil Storage Tanks. these instructions has been designed to serve domestic central...

  • Page 3: Technical Data

    3. Technical Data Table 1 SPECIFICATIONS Model 12/18 18/25 POWER SUPPLY 230V. 50 Hz. 140W IP RATING IP20 HEATING FLOW 1 in. BSP HEATING RETURN 1 in. BSP FUEL LINE 10 mm Compression 100 mm (4 in.) MINIMUM FLUE REQUIREMENT Balanced Flue Kit Section 7.2 HEARTH TEMPERATURE...
  • Page 4 12/18 Table 2. Bentone Sterling 35 Burner. (See Fig. 22) NOMINAL BOILER RATING AT NORMAL OPERATING TEMPERATURE Appliance Pump Fuel Flow Flue Gas Approx. Pressure Rate Temp. Input Output Fuel Nozzle (p.s.i.) (°C)** Setting Kg/h Btu/hr Btu/hr 28 Sec. Kerosene 0.35 80°S 1.10 1.39...

  • Page 5: Siting The Appliance

    4. Siting the Appliance 5.7 Remove the eight side panel screws labelled (A) and (B) in Fig. 2. Slide the cabinet assembly and control box assembly forwards to 4.1 The appliance is not suitable for external installation unless release the cabinet side panels from the base plate locating lugs. a suitable enclosure is provided.
  • Page 6 Fig. 2. General Assembly. Top panel Short user instructions located in slot provided in the fascia panel Space for optional programmer Electrical control box Side panel Fascia panel screw (B) Thermostat knob Side panel locating lugs Burner lockout reset button Silencer Manual reset (remove for RS)

  • Page 7: Flue System

    experienced a suitable anti down-draught terminal should be fitted to the flue termination. The natural flue draught must be checked in the flue pipe imme- 7. Flue System diately above the appliance or in the hole provided in the flue outlet plate.
  • Page 8 Fig. 5. Flue terminating positions for oil-fired appliances NOTE: The dimensions given are for general guidance only. Other surrounding buildings or objects may affect the clearance 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.

  • Page 9: Oil Supply

    Fig. 6. Oil Pump. 8. Oil Supply 1 INLET A. Danfoss BFP 41. (See Figs. 6, 7 and 8). 2 RETURN Cartridge filter 8.1 Plastic or steel tanks should be installed to BS5410. 3 BLEED AND PRESSURE GAUGE PORT A steel tank should also conform to BS799: part 5 and be arranged with a slope of 1 in 24 away from the outlet valve with a sludge 4 &...
  • Page 10 TABLE 9 Single Pipe Suction Lift with De-aerator MAXIMUM ALLOWABLE PIPE RUN FROM TANK TO DE-AERATOR (metres) Fuel Flowrate 2.5 (kg/h) 5.0 (kg/h) 10.0 (kg/h) 10.0 (kg/h) HEAD 6 mm inside dia. pipe 8 mm inside dia. pipe (metres) (8 mm O.D. copper) (10 mm O.D.
  • Page 11 Fig. 8. Oil Pipe Installation. (b) Double Pipe System or (a) Single Pipe System . Single Pipe Suction Lift with De-aerator. 10mm 10mm or 12mm copper pipe copper pipe Burner oil pump 10mm Burner copper pipe oil pump Open grommet Retaining clip Turn fully...
  • Page 12 Fig. 10. 3 Port Valve Control Set (Fully Pumped Sealed System). Automatic air vent T.R.V Fascia mounted twin channel Domestic hot Room programmer water cylinder Thermostat N.B. A drain cock should be Diverting installed at the lowest point of Safety valve valve Pressure the heating circuit...
  • Page 13 Fig. 12. 2 Port Valve Control Set (Fully Pumped Sealed System). Hot Water Automatic T.R.V valve air vent Fascia mounted twin channel Domestic hot Room programmer water cylinder Thermostat Central Heating valve N.B. A drain cock should be installed at the lowest point of Safety valve Pressure the heating circuit...

  • Page 14: Heating And Hot Water System

    Fig. 14. System filling and make-up Make up vessel Auto air vent Non return Heating valve return 300mm (12in) min. above highest point of the system Stop cock Fill point. Heating return Temporary hose METHOD 1 METHOD 2 components; the plastic pipe specified must be resistant to the 9.
  • Page 15 3 or 2 port valve control set. Fascia retaining screw The Worcester fascia mounted programmer can be fitted instead of an external programmer to the remote junction box. Remove the link plug (8 to 9) and connect the programmer plug into the time clock connector.
  • Page 16 Fig. 15. Wiring Diagram (Standard). Mains supply 230V 50Hz Brown Earth Stud Green/Yellow Blue Blue White Grey High limit Manual reset thermostat thermostat Time clock connecter 7 8 9 10 L N E E N 1 4 5 6 Lockout reset connector Brown Blue...
  • Page 17 Fig. 17. Pre-wired Remote 3 or 2 Port Valve Control Sets NOTE: When using a Worcester programmer set the pin on the rear of the programmer to ‘Pumped’. Remove link 1 to 3 NOTE: If a frost thermostat is required it can be wired to the remote junction box.
  • Page 18 Fig. 18. 2 Port Valve Control Set. NOTE: When using a Room thermostat Heating Valve Honeywell V4043H Worcester programmer set the pin on the rear of the pro- grammer to ‘Pumped’. Remove link 1 to 3 and link 2 E N L Brown to 4 and make link 3 to 4.
  • Page 19 Fig. 20. Semi Gravity Control Set. NOTE: When using a Worcester programmer set the pin on the rear of the programmer to ‘Pumped’. Remove link 1 to 3 and link 2 to 4 Room thermostat Pump Hot Water Valve 7 8 9...

  • Page 20: Installation

    where a sub-gravity system is used. Where this problem arises Fig. 21. Frost Protection. bleed the system using the oil pump as described in Section 12 remove and clean the oil pump filter to remove debris collected as a result of installation. (b) Double pipe system oil return pipe.

  • Page 21: Commissioning The Appliance

    Single pipe suction lift system with de-aerator 12. Commissioning the Appliance A single pipe suction lift system with de-aerator will automati- cally vent air through the de-aerator by turning on the boiler Ensure that no foreign matter is left in the system as this could thermostat and allowing the burner run to lockout.
  • Page 22 Fig. 22. Electro Oil Sterling Burner. 12/18 model and 18/25 model Lockout Control (Sterling 35) (Sterling 40) reset button Air adjustment screw Transformer (4mm hexagonal head) Combustion Head Spark gap 2.5-3.0mm 7.5mm Motor Draught tube Nozzle Nozzle block Pump Pressure Output Dimension gauge port...

  • Page 23: Instructions To The User

    6. Clean all oil filters. once per year. Some of the servicing points are covered more fully in the Worcester, Bosch Group will be pleased to discuss and offer a following instructions:- comprehensive maintenance contract. 14.2 Pre-Service Check 13.4 Set the system controls to the users requirements.
  • Page 24 7. Replace the Nozzle. NOTE: It is strongly recommended that the oil atomising nozzle be replaced at each service. If this is not possible then remove and clean the integral filter, but under no circumstances should the nozzle be stripped into its component parts and never attempt to clean the nozzle tip.

  • Page 25: Short Parts List

    15. Short Parts List Part Manufacturers Reference Worcester Part No. Burner for 12/18 Bentone Sterling 35 8 716 105 376 0 Sterling 35 Combustion Head PL 6/7/21.5/10 x 78mm 8 716 156 697 0 Burner for 18/25 Bentone Sterling 40...

  • Page 26: Fault Finding

    16. Fault Finding...
  • Page 28 Technical Helpline 08705 266241. Worcester, Bosch Group is a trading name of BBT Thermotechnology UK Limited. This booklet is accurate at the date of printing but will be superseded and should be disregarded if specifications and/or appearances are changed in the interests of continued improvement.

This manual is also suitable for:

Danesmoor fs18/25

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