Installation of a collector of a water-heated floor and a heating circuit

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The distribution manifold is used to control and distribute the coolant in the heating system. Each heating system pipe is connected to a manifold, which allows monitoring and regulation of the coolant flow individually in each circuit.

The underfloor heating system can be equipped with automatic control. The temperature is controlled from the room thermostat, which sends a signal to the servo drive located on one or another branch of the manifold block.

Step-by-step instruction

  1. Install the metal manifold box. The standard height of the collector on the wall from the base of the floor is 500-1000 mm; this height allows for convenient connection of pipes.

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  1. Attach the manifold to the bracket; this will allow you to carry out further assembly conveniently.

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  1. Connect the remaining parts: air vent, valves, plugs, and control devices.
  2. The circulation pump and valves should be fixed after fixing the unit to the wall. The circulation pump can be located both in a switch cabinet with a manifold and at a heating unit.

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  1. Lay the pipes of the circuit on the insulation. The heating circuit wires are laid in 100 mm increments.

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  1. For the correct bend radius of pipes contour, use a pipe bending tool or a pivot lock.

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  1. Installation of one circuit ends by bringing the pipe to the return manifold.
  2. After laying the pipes, connect them to the corresponding manifold return manifold fitting. To do this, use threaded connections. In the place where the pipes are connected to the manifold, fix the elastic pipes with a pivot lock. At the entrance to the collector, put on the pipes a protective casing made of corrugated pipes or thermal insulation, at least 500 millimeters long.

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In order not to rip off the union on the manifold, tighten the nut using two wrenches. One fixes the hexagon on the manifold union; the second tightens the threaded connection.

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  1. After installing all circuits, fill the system with water.

It is better to fill the system with water using a hose through the drain and filling taps. The contours are filled with water one by one.

Release the remaining air through the air vents.

Check the system for leaks before pouring the concrete screed. It should be tested in cold water. To do this, connect a device that increases the pressure in the system to the drain and filling taps. The test pressure should exceed the working pressure by one and a half times.

  1. If necessary, make installation of an automatic control system.

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Connect the mains voltage to the terminal block. The switching between heating and cooling modes is integrated into the terminal block. Spring-cage terminals facilitate wiring.

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  1. The thermostat is necessary to maintain the set temperature in the room. Thermostats are installed at the height of, as a rule, 130 cm from the floor. They should not fall behind curtains, direct sunlight, and places of high humidity. They should not be placed near a light or heat source.
  2. After installation, close the manifold cabinet.

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