Buderus 800 - 5.3.17 Checking hose connections (gas-air injector;gas-valve)

Servicing 5
Wall-mounted condensing gas boiler Buderus 800 - Subject to modifications resulting from technical improvements!
57
5.3.16 Replacing the hot surface ignitor
 Disconnect the system from the power supply.
 Disconnect the plug-in cable.
 Loosen fixing screws and remove hot surface ignitor.
 Fit new hot surface ignitor and retighten fixing
screws.
 Plug in cable connection.
 Connect system to mains power supply.
5.3.17 Checking the hose connection between the gas-air
injector and gas-valve assembly
 Check hose connection for tightness and for signs of
possible blockages or damage.
 Check that the hoses are correctly fitted to P1.
Hose connection:
P1 + , to T-piece gas-valve assembly.
fig. 77 Replacing the hot surface ignitor
fig. 78 Checking the hose connection between the gas-air
injector and gas-valve assembly (Honeywell gas
units)