1.5
FUNCTIONAL DIAGRAM
1.5.1 "SOLO 25-35" version (fig. 3)
KEY
. 1. Boiler.body
. 2. Filling
. 3. Safety.valve
. 4. Air.relief.valve
. 5.. Expansion.vessel
. 6. Gas-oil.burner
. 7. C.H..pump.high.efficiency
. 8. Hydrometer
. 9. Boiler.drainer.cock
10. Water.switch
KEY
. 1. Boiler.body
. 2. Filling
. 3. Safety.valve
. 4. Air.relief.valve
. 5.. Expansion.vessel
. 6. Gas-oil.burner
. 7. C.H..pump.high.efficiency
. 8. Hydrometer
. 9. Boiler.drainer.cock
. 1 0. C.H..water.switch
. 1 1. D.H.W..water.switch
. 1 2. Instant.tank
13. Control.valve
14. Air.vent.valve
15. D.H.W..pump.high.efficiency
Fig..3
Fig..3/a
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