hi
below the boiler u should see 2 screw connetions
u should also have a high pressure hose (about 16 inches long) this u connect to the inlet and outlet valve
u will need a screwdriver to open and shut the flow of the water when filling boiler watch the pressuer meter on boiler and fill to 1.5bar shut down the valve at this point
done!
i have the same boiler and re pressureize the system after bleeding radators
minty, November 2008