Connecting Diagrams; One Boiler + One Direct Circuit + One Domestic Hot Water Tank; Hydraulic Connection - DeDietrich IX 245-130 Installation, User And Service Manual

6 Connecting diagrams

6 Connecting diagrams
6.1

One boiler + one direct circuit + one domestic hot water tank

Fig.53 Boiler + 1 direct circuit + 1 domestic hot water tank
7
167
7
3
1a
1
35
2a
30e
119
1 Boiler flow
1a Heating flow direct circuit
2 Heating pump direct circuit
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
46 IX
38
7
27
27
9 9
34
16
6.1.1

Hydraulic connection

64
27
2
9 9
18
25
30
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 (primary pump)
35 Low-loss header (accessory)
38 Remote control
64 Direct heating circuit
119 Boiler return
167 Boiler control panel
33
T
24
26
9 27
9
7702684 - v04 - 05092019
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MW-3000018-06