Evaporation Check; Blowdown Procedures; Main Boiler Blowdown (Manual) - FULTON VSRT Series Installation, Operation And Maintenance Manual

Fulton Ltd
6.4.3

EVAPORATION CHECK

This check may be required by your insurance inspector as part of the annual inspection.
To perform the evaporation check, follow the procedure in Section 6.4.2 - Low Water Level
check allowing water to lower by natural evaporation and not by manual blowdown.
6.5

BLOWDOWN PROCEDURES

Keep the boiler, water level gauge (sight glass) and interconnecting pipework free from sludge
and scale build-up by blowing down in the following manner:
Note: Where a boiler is operating continuously at steam pressure, advice should be sought from Fulton Service
Department regarding the appropriate blowdown procedure.
6.5.1

MAIN BOILER BLOWDOWN (MANUAL)

1. Start the boiler and generate 10 psi of steam pressure.
2. Turn OFF both the burner and the pump.
3. Fully OPEN the boiler main blowdown valve for 5 seconds, or as recommended by the water
treatment specialist.
4. CLOSE the main blowdown valve.
Note: Where high levels of suspended solids are produced, longer and/or more frequent blowdown may be
required.
Note: Where Auto blowdown is fitted, this blowdown will be carried out automatically on a daily basis.
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