Documents Gallery No one likes it when the boiler breaks down so we understand how important it is to be able to fix it quickly with as little fuss as possible. By choosing a genuine Biasi part you can be assured that not only has it been tested with your boiler but that this part is the very latest edition. We strive to continuously improve the performance and longevity of our boilers and as many components are constant throughout the range, we can and do make improvements that affect older boilers. Some companies offer non-genuine or even second-hand replacement parts, we do not recommend using these as you simply do not know what effect this will have on your boiler. Call us All Biasi genuine spare parts have a unique reference number that links the part to the boiler. These numbers can be found within the installer section of our website, where under literature, we list all the models with spare part breakdown diagrams to help you find the correct part.

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Page Hydraulic Specifications Technical information Hydraulic specifications tem component cocks, the by pass valve ensur- es a minimum flow of water through the primary heat exchanger. Page Technical Data Mod. Page Technical Data M90e. This appliance is not suitable for external installa- The Benchmark Log Book is located at the back tion.

Page Gas Supply General requirements The appliance has a built in automatic air release Horizontally from a terminal in the same wall Table follows in next page valve, it should be ensured as far as possible that the appliance heat exchanger is not a natural col- Above the roof pitch with roof slope less lecting point for air.

Page Domestic Water General requirements Water treatment pressure within the domestic system can increase to a level in excess of the 10 bar limit. Central heating circuit In these circumstances it is therefore recom- mended that a 3 bar pressure reducing valve be Where a new boiler is fitted to a new system with fitted to the incoming mains water supply and a either plastic or copper pipes, it is important the The appliance must discharge combustion products directly outside or into a suitable ex- haust duct designed for this purpose.

Page Overall Dimensions Installation Mounting the boiler Utilise the paper template supplied with the boiler to determine the fixing position for the bracket and 1 Take the protective caps off the boiler pipe- boiler. Securely mount the bracket to the wall work. Page 30 0. Technical Helpline. Page 32 Installation Fig. Page External Frost Protection Installation To fused spur isolation switch Power supply terminal block To the external control device To the fused spur isolation switch External controls terminal block Fig.

Do not connect live wires to terminals to which the room thermostat must be con- 6. The Log Book is located at the end 3 Unscrew the cap on the automatic air purger- of this manual.

Page Adjusting The Burner Ignition Commissioning 10 Check the minimum gas pressure and com- pare the value on the gauge with the value indi- cated in the sections 4.


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