Heating control panel with three groups of heating elements. Scheme, description

ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
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Heating control panel with three groups of heating elements. Encyclopedia of radio electronics and electrical engineering

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Encyclopedia of radio electronics and electrical engineering / Electric installation work

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Heating control panel with three groups of heating elements

The heating control circuit consists of three groups of heating elements, controlled by contactors K1, K2 and K3, connected through control switches F1, F2 and F3.

With the help of the closing contact S1, a thermostat with a clamp-on sensor, the operation of the heating elements as a whole is controlled.

The circulation pump is connected via a thermal relay F4, with a setting according to the pump's passport.

The heating elements themselves are powered by separate machines, calculated according to the load power.

The circulation pump is installed on the "return".

The thermostat sensor is attached with clamps to the pipe.

Heating control panel with three groups of heating elements

Publication: electro.narod.ru

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