18 Filling the heating circuit
21 Outside sensor
22 Boiler sensor
24 Domestic hot water tank exchanger primary outlet
25 Domestic hot water tank exchanger primary inlet
26 Booster pump
27 Non-return valve
28 Domestic cold water inlet with dielectric union on the
tank
29 Pressure reducer
30 Safety unit
33 Domestic hot water sensor
50 Disconnector
51 Thermostatic valve
52 Differential valve (only with module fitted with a
three-speed pump)
57 Domestic hot water outlet with dielectric union
90 Anti-thermosiphon loop
5.6.3
Connecting to solar collectors (TWH 300 EH model)
Caution
Limit the domestic hot water temperature to 60 °C.
Fig.15
MW-C003612-2
4 Pressure gauge
27 Non-return valve
28 Domestic cold water inlet with dielectric union on the
tank
29 Pressure reducer
30 Safety unit
57 Domestic hot water outlet with dielectric union
61 Thermometer
79 Domestic hot water tank solar exchanger primary
outlet
80 Domestic hot water tank solar exchanger primary
inlet
84 Stop valve with releasable non-return valve
85 Primary solar circuit pump
87 Safety valve calibrated to 6 bar
88 Solar expansion vessel
89 Heat-transporting fluid container
90 Anti-thermosiphon loop (= 10 x pipe diameter)
109 Domestic hot water thermostatic mixing valve
112a Solar sensor probe
112b Solar domestic hot water sensor
5 Installation
300026515 - v10 - 28082018
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