Heating - consisting of the technical
elements for the transfer, transmission, generating heat at all interior
heated areas of the building and maintaining the temperature at the
levels specified by the user.
Let us consider an example of a heating system connected to the frame
cottage central heating system. In a cottage in the heating season
is used radiators and hot water heating coil.
Low turns the surface of the element 75 degrees Celsius, and coolant
temperature - 95 degrees Celsius water.
During the heating season in frame cabin to maintain the temperature
in the specified mode shall take into account the heat and teplopostupleniya
in design mode.
Teolopoteri the cottage is made up of of heat loss
through building envelope Q, heat cost of heating the outside air
entering through doors, windows, gaps in fences Q.
Heat in the premises of skladyvayutsya: heat transfer people Qt, heating
pipes and heating equipment Q, artificial lighting appliances and
electrical equipment, solar radiation.
In a water heating system with natural circulation, the circulation
pressure depends on the difference in height between the most remote
radiator and boiler.
Hot water heating systems with natural circulation pipeline are laid
without thermal insulation with the exception of the main riser, which
promotes natural cooling heat carrier - water. Cooling medium in the
return line enters the heater - the boiler at the same time displacing
the heated part. The heated medium enters the riser by distributing
the trunk to the sender - the radiators.
Fixing heaters in the cottage depends on the recommendations of the
manufacturers of devices, usually clamps and brackets.
System podpityvaetsya of the expansion tank is installed on the top
of the riser. To ensure the exit of air from the pipeline system is
laid with a slope along the water movement.
Heaters - transmitting elements of the system for heating, respectively.
The main characteristic of the transmitting element is its surface
area. Raschityvaetsya area required for the transfer of heat. Heaters
have a heat flow meter peredovat - Nominal heat flow from the unit