Example With A Floor-Standing Boiler; Safety Unit (Except France) - DeDietrich BPB 150 Installation, User And Service Manual

6 Installation
Fig.9
21
230V
50Hz
A
A Boiler
1 Heating flow
2 Heating return
3 3-bar safety valve
4 Pressure gauge
7 Automatic air vent
9 Isolation valve
10 Three-way mixing valve
11 Heating pump
16 Expansion vessel
17 Drain valve
18 Filling the heating circuit
21 Outdoor temperature sensor
23 Flow temperature sensor after mixer valve
24 Domestic hot water tank exchanger primary inlet
25 Domestic hot water tank exchanger primary outlet
26 DHW booster pump
27 Non-return valve
28 Domestic cold water inlet
29 Pressure reducer
Fig.10
30
55
9 27
17
16 BPB 150...501
65
9
52
7 3
11
4
1
2
16
17
29 9 28
2 cm
(54)
L000370-C
6.4.2

Example with a floor-standing boiler

44
23
27
26
9
4
10
50
27
9 18
30 Safety unit
32 Domestic hot water circulation loop pump
33 Domestic hot water temperature sensor
44 Thermostat limiting the temperature to 65°C with
manual reset for underfloor heating
46 3-way directional valve with reversal motor
50 Disconnector
52 Differential valve
54 End of the discharge pipe free and visible 2 to 4 cm
above the flow funnel
56 Circulation
57 Domestic hot water outlet
64 Direct heating circuit (example: radiators)
65 Heating circuit which may be at low temperature
(heated floor or radiators)
67 Manual radiator valve
68 Condensates neutralisation system
109 Domestic hot water thermostatic mixing valve
201 DHW expansion vessel
6.4.3

Safety unit (except France)

9 Isolation valve
17 Drain valve
27 Non-return valve
28 Domestic cold water inlet
29 Pressure reducer
30 Safety unit
54 End of the discharge pipe free and visible 2 to 4 cm above the flow
funnel
55 Safety valve 0.7 MPa (7 bar)
7
9
57
9
24
56
33
25
300027336 - v06 - 13062019
9
32
9
27
9
30
MW-L000368-C