3. Remove the protective cap from the boiler fill and drain valve (BFD
valve) on the return manifold of the EC five and screw the hose nozzle
in place
4. Push the water hose onto the hose nozzle
5. First open the BFD valve, then slowly open the water tap; the
pressure should be set to the value specified by the heating specialist
during the Installation.
6. First close the water tap, then close the fill and drain valve
7. Remove water hose
8. Place the protective cap back onto fill and drain valve
9. Turn the EC five on again at the operating switch
10. Control the heating system for leaks
Important
If radiators do not get hot: Bleed the radiators.
RA-0000248
3
RA-0000201
5
2
1
3
10 Maintenance
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