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6 Connecting diagrams and configuration
6.1
One one direct c one domestic hot water tank
6.1.1
Hydraulic connection
Fig.53
1 direct c 1 domestic hot water tank
MW-3000018-05
T
30
38
64
31
18
27
2
27
34
9
9
7
7
7
1
3
1a
35
2a
119
27
9
9
16
33
24
26
9
9
27
25
30e
1 Boiler flow
1a Heating flow direct circuit
2 Heating pump
2a Heating return direct circuit
3 6 bar (0.6 MPa) safety valve
7 Automatic air vent
9 Isolation valve
16 Closed expansion vessel
18 Heating circuit fill point
(France: with disconnector according to prevailing
regulations)
24 Domestic hot water tank exchanger primary inlet
25 Domestic hot water tank exchanger primary outlet
26 DHW booster pump
27 Non-return valve
30 Calibrated and sealed safety unit
France: (7 bar (0.7 MPa) - with opening on the
discharge pipe)
30e Drain valve
31 Independent domestic hot water tank
33 Domestic hot water temperature sensor
34 Modulating boiler pump
35 Low-loss header (accessory)
38 Remote control
64 Direct heating circuit
119 Boiler return
6 Connecting diagrams and configuration
46
7702639 - v03 - 10072018