Hydraulic Installation Diagram; Example With A Wall-Hung Boiler Or A Heat Pump - DeDietrich BPB 150 Installation, User And Service Manual

6.4

Hydraulic installation diagram

Fig.8
21
A
16
11
46
3
50
9
A Boiler, heat pump
B Regulator
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
300027336 - v06 - 13062019
67
27
230V
50Hz
4
1
2
68
6.4.1

Example with a wall-hung boiler or a heat pump

B
64
27
29 Pressure reducer
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
9
9
24
56
33
25
MW-L000369-C
BPB 150...501
6 Installation
32
27
30
15