baltur BT 17N Instruction Manual For Installation, Use And Maintenance page 46

ENGLISH
HYDRAULIC SCHEMATIC DIAGRAM FOR TWO-STAGE OR MODULATING BURNERS WITH FUEL OIL (MAX 15°E AT 50°C)
CAUTION / WARNINGS
Fuel recovery tanks (diameter 150 mm - height 400 mm) must be installed as close as
possible to the burner at least 0.5 m above the burner pump.
HYDRAULIC SCHEMATIC DIAGRAM FOR TWO-STAGE OR MODULATING BURNERS OPERATING WITH DENSE FUEL OIL (MAX
50/100°E AT 50°C) WITH AUXILIARY PRE-HEATER
CAUTION / WARNINGS
Fuel recovery tanks (diameter 150 mm - height 400 mm) must be installed as close as
possible to the burner at least 0.5 m above the burner pump.
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Main tank
Filter
Circulation pump
Water and system drain
Air-gas drain normally closed
Fuel recovery and degasifier
Non-return valve
By-pass (normally closed)
Pressure regulator adjustable from 0.5 to 3
bar
Pressure gauge 0 ÷ 4 bar
Vapour or hot water heating coil for fuel
heating
Heater electric cable (if necessary)
Main tank
Filter
Circulation pump
Water and system drain
Air-gas drain normally closed
Fuel recovery and degasifier
Non-return valve
By-pass (normally closed)
Pressure regulator adjustable from 0.5 to 3
bar
Pressure gauge 0 ÷ 4 bar
Thermometer
Equivalent
Auxiliary heater
Vapour or hot water heating coil for fuel
heating
Vapour or hot water heating coil for fuel
heating
Barrel diameter 100 mm height 300 mm
Heater electric cable (if necessary)