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Fan coil units are designed to process a mixture of air (fresh supply and recirculation) filtering the air, cooling or heating it, and supplying the prepared air to the serviced room. Desired air treatment parameters are set from the fan coil control panel. Fancoils are installed in a frame set behind the ceiling space or wall space with hidden installation. Distribution of air from the fan coil is carried out through the air channels with air supply to the working area through the air distributor.
Fancoils are manufactured under the supervision of an inspector RMRS or RRR and have a certificate of type approval, as well as a manufacturer's quality certificate.
The delivery set includes reciprocal connections for connecting ship pipelines (counterflanges).
The principle of operation of the fan coil
The fan "sucks" air from the room and directs it to the heat exchanger. An energy carrier flows through the heat exchanger (cold or hot water, depending on the season of the season). Water circulating in the inner cavity of the heat exchanger takes or transfers heat to the air flowing along the outer cavity of the heat exchanger. At the exit of the fan coil, cooled or heated air returns to the room - the desired temperature.
Mode of operation
Fancoil can operate both in air recirculation mode and in mixed mode, that is, connect the air from the room with fresh prepared air from the central air supply system.
Design Differences
- on two-pipe, incorporating one heat exchanger (work only on cold or only heat);
- four-pipe, incorporating two heat exchangers (simultaneous work on heat and cold groups of identical fan coil units in the off-season).
- Ceiling. They are installed horizontally in the ceiling space and distribute air through the air distributors along the ceiling.
- Floor standing. Installed vertically with a slight indent from the floor with installation on the bulkhead. Air distribution is carried out vertically through the air distribution device.
- High pressure. Having a dynamic pressure to overcome the network resistance with a pressure loss of up to 80 Pa.
- Low pressure. Overcoming network resistance with a pressure loss of up to 40 Pa.
Climatic performance
The climatic modification, the category of placement and the operating conditions of the fan coil units in terms of the impact of climatic factors correspond to the OM design and categories 3-4 according to GOST 15150-69.
Fancoils work reliably with the following parameters:
- winter period - from minus 30 ° С at a humidity of 85%.
- summer period - up to plus 45 ° С at a humidity of 95%.
Fan Coil Performance
It is provided with the following mechanical stresses:
- rolling onboard with a period of 7 ... 9 s, amplitude up to 22.5 °;
- pitching with a period of 5 ... 7 s, amplitude up to 10 °;
- roll long up to 15 °;
- trim long up to 5 °;
- vibration acceleration with an amplitude of up to 2g;

Fan coil design
- free access to areas of maintenance and repair;
- rational dismemberment of components and their ease;
- recoverability to the state stipulated by the technical conditions for repaired fan coil units.
Fancoils come with the following documentation:
- technical description;
- instructions for the operation and repair of equipment;
- installation instructions;
- electrical schematic diagrams of connections and connections;
- a list of monitored parameters issued to IASU;
- a list of spare parts;
- instructions for acceptance, transportation, storage, reconservation, commissioning;
- passports, forms;
- drawing with overall and mounting dimensions;
- An electronic model of a fan coil in three-dimensional format.
Mounting dimensions