Riello PRESS GV INCINERATOR Installation, Use And Maintenance Instructions page 33

Fault
Pump unprimes after pro-
longed pause
Pump leaks light oil
Smoke in flame
- dark Bacharach
- yellow Bacharach
Dirty combustion head
Faults - Probable causes - Solutions
Probable cause
- Return pipe not immersed in fuel . . . . . . . . . . . . . . . Bring to same height as suction pipe
- Air enters suction piping . . . . . . . . . . . . . . . . . . . . . . Tighten connectors
- Leakage from sealing organ . . . . . . . . . . . . . . . . . . . Replace pump
- Not enough air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Adjust head and fan gate
- Nozzle worn or dirty . . . . . . . . . . . . . . . . . . . . . . . . . Replace
- Nozzle filter clogged . . . . . . . . . . . . . . . . . . . . . . . . . Clean or replace
- Erroneous pump pressure. . . . . . . . . . . . . . . . . . . . . Adjust to between 10 - 14 bar
- Dirty fan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Clean
- Flame stability disk dirty, loose, or deformed . . . . . . Clean, tighten in place, or replace
- Boiler room air vents insufficient . . . . . . . . . . . . . . . . Increase
- Too much air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Adjust head and fan gate
- Nozzle or filter dirty . . . . . . . . . . . . . . . . . . . . . . . . . . Replace
- Unsuitable nozzle delivery or angle. . . . . . . . . . . . . . See recommended nozzles
- Loose nozzle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tighten
- Impurities on flame stability spiral . . . . . . . . . . . . . . . Clean
- Erroneous head adjustment or not enough air. . . . . . . Adjust as per manual instructions; open gate valve
- Blast tube length unsuited to boiler . . . . . . . . . . . . . . Contact boiler manufacturer
Suggested remedy
31 GB
Tab. Q
20098582