1.5
FUNCTIONAL DIAGRAM
1.5.1 "AQUA HE 25-35 ErP BE" version (fig. 3)
R
1
M
20
3
21
U
C
E
1.5.2 "AQUA HE 25-35 INOX ErP BE" version (fig. 3/a)
6
2
4
5
7
8
9
8
14
19
16
18
17
KEY
. 1. System.safety.valve
. 2.. System.expansion.vessel
. 3. Boiler.body
. 4. Air.relief.valve
. 5. Water.switch
. 6. Hydrometer
. 7. C.H..
pump.high.efficiency
. 8.. Control.valve
. 9. Gas-oil.burner
10. Filling
. 1 1. Tank.safety.valve
. 1 2.. Tank.expansion.vessel
. 1 4. D.H.W..
. 1 5. Tank.drainer.cock
10
16. Boiler.drainer.cock
17. Magnesium.anode
. 1 8. D.H.W..probe
. 1 9. 120.litre.tank
11
12
20. Stainless.steel.condenser
21. Condensate.drain.tap
M. C.H..flow.
R.. C.H..return.
U. D.H.W..outlet
15
E. D.H.W..inlet
C. Recirculation
KEY
. 1. Boiler.body
. 2. Hydrometer
. 3. Air.relief.valve
. 4. C.H..
. 5. D.H.W..
. 6. Control.valve
. 7. Tank.expansion.vessel
. 8. Tank.safety.valve
. 9. Magnesium.anode
. 1 0. Tank.drainer.cock
. 1 1.. System.expansion.vessel
. 1 2. Boiler.drainer.cock
. 1 3. Filling
. 1 4. System.safety.valve
. 1 5. Gas-oil.burner
. 1 6. 110.litre.tank
. 1 7. Water.switch
18. Stainless.steel.condenser
. 1 9. Condensate.drain.tap
M. C.H..flow.
R.. C.H..return.
U. D.H.W..outlet
E. D.H.W..inlet
C. Recirculation
pump.high.efficiency
pump.high.efficiency
pump.high.efficiency
Fig..3/a
Fig..3
73