The burner for the central heating boiler (1) may be shut-down when the circulation pump (5) is switched off. Pref. a module N counter is used, having a divisi on factor of N, its reset gate receiving the opening up pulses via an OR gate. When the count reaches the full value ...
The control system is for a heating installation comprising a heat pump and an oil- or gas-fired boiler whose water is delivered by a circulating pump to radiators. The pump is connected in parallel with the heat-generation equipment, and is cut in together with them by means of a switch...
The control uses an internal, or external, sensor-controlled regulator (3), coupled to the circulation pump drive (2), for controlling the pump revs, in dependence on monitored operating parameters of the central heating system, e.g., the external temp. and the water circulation temp. The ...
The pump has a split casing which forms a volute chamber round the impeller. The two parts are held together by a box which clamps them together and also forms the chamber of an automatic air release. The air release chamber has a connection to the inlet of the pump. Water enters the ...
A central heating water pump circulates hot water around the system, moving water around quickly before it cools and improving the efficiency of your system.Many different types of boiler pumps are available, so you can find the right size and configuration to suit your central heating system. ...
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The central heating system has a mixer valve (4) adjusted via a setting pulse supplied in dependence on the difference between the actual and required temps. The shutting down pulses are used to index a counter, reset by the opening up pulses, with the circulation pump (5) switched off whe...
Central heating control system - with pump speed variation dependent on difference between actual and desired temp. values 机译:中央加热控制系统-泵的速度变化取决于实际温度和期望温度之间的差异。价值观 摘要 The central heating control system is for use where the water or other liquid is pumped throu...
The hot water central heating system has feed containing a mixing valve adjusted by an electrical servo motor. This valve has bypass with circulating pump driven by an electric motor, and the system uses little electric power. An electrical control system (16) of the driving motor (M2) is ad...
JNOD R290 DC Inverter heat pump has heating, cooling and hot water function, so it can be used all year round. With R290 refrigerat, users can get DHW with a high temperature up to 75C. Our hydronic box equipped with circulation pump and ex...