Unit 4222-371

Topics: Water heating, Plumbing, Central heating Pages: 72 (20924 words) Published: June 22, 2013
Bosch Group

OIL HEATSLAVE
12/14 15/19 20/25 26/32
CONVENTIONAL FLUE AND ROOM SEALED BF FLOOR STANDING COMBINATION BOILER FOR CENTRAL HEATING AND MAINS FED DOMESTIC HOT WATER

INSTALLATION AND SERVICING INSTRUCTIONS

Worcester supports the Benchmark code of practice

BOILER OUTPUT
Domestic Hot Water and Central Heating 12/14 MINIMUM 12 kW (41,000 Btu/h) MAXIMUM 14 kW (48,000 Btu/h) 15/19 MINIMUM 15 kW (51,000 Btu/h) MAXIMUM 19 kW (65,000 Btu/h) 20/25 MINIMUM 20 kW (68,000 Btu/h) MAXIMUM 25 kW (85,000 Btu/h) 26/32 MINIMUM 26 kW (89,000 Btu/h) MAXIMUM 32 kW (109,000 Btu/h)

THESE INSTRUCTIONS APPLY TO UK MODELS ONLY THESE INSTRUCTIONS ARE TO BE LEFT WITH THE APPLIANCE

Contents
1. 2. 3. 4. 5. 6. 7. 8. 9. Installation Regulations ...........................................Page 2 General Information .................................................Page 2 Technical Data...........................................................Page 4 Siting the Appliance .................................................Page 6 Removal of the Cabinet............................................Page 6 Air Supply..................................................................Page 11 Flue ............................................................................Page 11 Oil Supply ..................................................................Page 15 System Considerations ............................................Page 17

10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21.

Sealed Primary System ............................................Page 18 Open Vent Primary System .....................................Page 19 Domestic Hot Water .................................................Page 20 Electrical ....................................................................Page 21 Functional Flow Charts ............................................Page 24 Installation ................................................................Page 27 Commissioning .........................................................Page 28 Users Instructions ....................................................Page 30 Routine Cleaning and Inspection............................Page 30 Replacement of Parts ...............................................Page 34 Short Parts List..........................................................Page 37 Fault Finding .............................................................Page 38

1. Installation Regulations
1.1 General installation information and advice may be obtained from the Oil Firing Technical Association for the Petroleum Industry (OFTEC). Training courses are also offered by OFTEC, leading to inclusion on their list of registered engineers. 1.2 The appliance should be installed by a competent person. The person installing the appliance should be aware of the Health and Safety at Work Act and take appropriate action to ensure that the regulations are adhered to. In order to give optimum efficiency and trouble free operation the appliance should be commissioned by a qualified engineer. OFTEC recommends the use of registered engineers for the commissioning of oil-fired burners. 1.3 The manufacturers notes must not be taken, in anyway, as overriding statutory obligations. 1.4 The compliance with a British Standard does not, of itself, confer immunity from legal obligations. In particular the installation of this appliance must be in accordance with the relevant requirements of the following British Standards and regulations in respect of the safe installation of equipment. BS 5410: part 1: Code of practice for Oil Fired Boilers. BS 799: part 5: Specification for Oil Storage Tanks. BS 7593: Code of Practice for treatment of water in domestic hot water central heating systems. BS 5449: part 1& 2: Code of practice for Forced Circulation Hot Water and Central Heating for Domestic Premises. BS 5955: part 8: Specification for the installation of thermoplastic pipes and associated fittings for use in domestic hot and...
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