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Operating instructions Logano plus SB315 and Logano plus SB315 VM • Issue 04/2006

We reserve the right to make any changes due to technical modifications.

Dear Customer,

Buderus Logano plus SB315 and Logano plus 
SB315 VM gas condensing boilers have been 
developed and built employing the latest technologies 
and safety regulations. Ease of operation was given a 
particularly high priority.

Please observe the safety instructions and the operation 
instructions to ensure optimum safe, economical and 
environmentally-friendly use of your system.

Important – General Application Notes

Use this boiler only for its intended purpose and 
according to these operating instructions. Maintenance 
and repairs must only be carried out by authorised and 
qualified personnel.

Use this boiler only in those combinations, together with 
accessories and spare parts indicated in the operating 
instructions. Any other combination, wearing parts and 
accessories may only be used, if these are specifically 
designed for the intended application and impair neither 
the performance characteristics nor the stipulated safety 
requirements.

Subject to technical modifications.

Constant development may lead to minor deviations of 
illustrations, functional steps and specifications from 
those described/shown.

Summary of Contents for Logano plus SB315

Page 1: ...6301 9201 04 2006 GB For the user Please read thoroughly before use Operating instructions Logano plus SB315 and Gas fired condensing boiler ...

Page 2: ...our system Important General Application Notes Use this boiler only for its intended purpose and according to these operating instructions Maintenance and repairs must only be carried out by authorised and qualified personnel Use this boiler only in those combinations together with accessories and spare parts indicated in the operating instructions Any other combination wearing parts and accessori...

Page 3: ...Notes on hazards and safety instructions 4 1 1 Boiler Room 4 2 Working on the heating system 5 2 1 Instruction in function and operation 5 2 2 Checking the condition of the heating system 5 2 3 Burner adjustment 6 2 4 Initial start up 7 2 5 Faults 8 2 6 Shutting down the heating system 9 2 7 Filling the heating system and checking for leaks 10 2 8 Maintenance 12 ...

Page 4: ...rom frost and must be adequately ventilated z Never close or obstruct air ducts and vent apertures or reduce their size z Prevent contamination of the combustion air by halogenated hydrocarbons for example found in spray cans solvents or cleaning fluids paints and adhesives or by extremely dusty conditions z Always observe all relevant regulations and requirements as may apply in your country z Ne...

Page 5: ...tem z Vent the whole system at the air vent valves provided z Check whether the cleanout covers and doors have been closed z Check the water level in the system and top up if necessary z Check the system inlet pressure on your expansion vessell If necessary notify your installer who may adjust your heating system to the correct operating pressure ATTENTION Only qualified personnel must carry out t...

Page 6: ...lable in the UK The Logatop VM pre mix gas burner is matched to the Unit boiler For other burners observe the applicable commissioning instructions NOTE FOR USERS Let a specialist adjust the burner to the required heat demand for central heating and DHW Domestic Hot Water production The correct setting of the burner must be verified on handover Never exceed the rated output stated on the boiler ty...

Page 7: ...nstructions z Place the system On Off Fig 3 item 1 into position ON z Commission the control in accordance with the respective operating instructions Fig 1 Logamatic 2107 control unit not available in UK Fig 2 Logamatic 4211 control unit 1 2 3 Z L 1 2 3 NOTE FOR USERS The system must be commissioned by the system installer and should be witnessed by the system user ATTENTION Carry out the commissi...

Page 8: ... the control display Resetting the burner z Observe the operating instruction of the respective burner The burner will not fire up and the fault lamp on the burner also does not illuminate z Check whether the electrical supply is switched on or whether the control equipment is correctly set up z Test the high limit safety cut out STB Fig 4 Reset button with integrated fault lamp 1 NOTE FOR USERS S...

Page 9: ...315 VM Issue 04 2006 2 6 Shutting down the heating system z Put the system On Off switch Fig 1 item 1 and Fig 2 item 1 and Fig 5 item 1 into position 0 OFF z Close the gas shut off valve Fig 5 Logamatic 4311 control unit 1 3 2 ATTENTION Protect the heating system against frost damage if it has been shut down e g through a fault shutdown and there is a risk of frost ...

Page 10: ...ng link Filling the heating system Filling and refilling of the heating circuit must been carried out by a method that has been approved by the Water Regulation Advisory Scheme WRAS for the type of heating appliances i e Domestic in house Fluid Category 3 Non Domestic other than in house Fluid Category 4 Depending on the Fluid Category the approved method should comprise of the following 1 Require...

Page 11: ...wly fill the heating system Observe the pressure gauge whilst filling z Close the water tap and the boiler drain valve once the required operating pressure has been reached z Bleed the system via the radiator bleed valves z Top up with water if the pressure drops as a result of bleeding the system z Take the hose off the boiler drain valve Fig 8 Requirements Fluid Category 4 systems CAUTION SYSTEM...

Page 12: ...rner controls and safety equipment To ensure safe and reliable functioning of the product inspection and maintenance is recommended to be carried out on an annual basis Check the correct function of the entire system Immediately remedy all defects found We recommend you arrange a maintenance contract with a heating engineer D INSTRUCTIONS Always observe the appropriate installation commissioning a...

Page 13: ...Notes 13 We reserve the right to make any changes due to technical modifications Operating instructions Logano plus SB315 and Logano plus SB315 VM Issue 04 2006 ...

Page 14: ...Notes 14 Operating instructions Logano plus SB315 and Logano plus SB315 VM Issue 04 2006 We reserve the right to make any changes due to technical modifications ...

Page 15: ...Notes 15 We reserve the right to make any changes due to technical modifications Operating instructions Logano plus SB315 and Logano plus SB315 VM Issue 04 2006 ...

Page 16: ...don Worcester WR4 9SW Tel 01905 752794 Fax 01905 753130 www buderus commercial co uk In the UK Buderus is a trading name of BBT Thermotechnology Ltd BBT Thermotechnik GmbH D 35573 Wetzlar www heiztechnik buderus de info heiztechnik buderus de ...

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