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Climatic unit Type 4

Air volume: (500 800) m3

ISO 139/187, BS EN 20139/20187, DIN 50015, ERT 60-1, ASTM D1776, M&S PGA, EDANA, BISFA Standards, etc.



Tipo [4] Climatico - Temperature&Humidity control
Tipo [4] Termostatico - Only Temperature control
Ispezione - Inspection
Mappatura - Mapping
Supporto remoto - Remote support
Spare parts

Branca climatic unit Type 4 is a climatic unit able to maintain under close-control temperature and relative humidity inside laboratories in compliance national and international standard.

  • Temperature: (10 30) 0,5 C;
  • Relative humidity: (40 80) 2 %;

The structure consists of a stainless steel box with a large opening, doorknobs for an easy and complete view of internal spaces, components and suitable for maintenance activities.
The unit is equipped internally with a basin, to recover condensing water produced by the evaporator coil and in the climatic version to set humidification resistances too, supported by the structure frame and stainless steel regulation damper.
The upper spaces are at disposal for the electrical components and for different filtration levels.

The main internal blower is a motion coaxial fan with AUTO-speed control; the motor speed increase/decrease is closely influenced by the increase of the air flow losses caused by the sedimentation of dust on suction and final filters.

Pre-filters (medium efficiency) on suction panel are located before the air inlet duct and in the Element to reach the minimum level of pollution inside the internal parts of the air conditioning system. Final filtration with high efficiency in the air outlet, class - 1000, and elimination of all harmful germs present in the respiratory aparat of people, in accordance with the requirements of Art. 9.5.85 Circular 232-5-4 of the French Ministry of Labour and as shown on the 'Guidelines for the protection and promotion of health in confined spaces' published in the Italian Official Gazette No. 252 of November 2001;

Circuit charged with gas compatible with the standards of environmental protection, with protection by modulating the thermal valves without mechanical stress, suction gas filter on the compressor, the condenser fan motor modulating control of air, control of temperature dew point or the temperature of the compressor. Heat exchange coil evaporator cooling, consisting of tubes and copper fins to prevent the redox of contact for galvanic effect of different conductors in the presence of water greedy ion. Bactericidal action of the copper of the fins in preventing the development of bacterial cultures and fungi in saturation conditions.
Spacing of the fins of 3 mm. to allow an easy periodical maintenance of the finned pack with water-jet pump at the level of the floor;

In continuous mode, without any regeneration cycle, with power of the humidification system produced by the sequence of filters required by the reverse osmosis system, and pump automatic pressure regulating device protected from magnetic limescale, in balanced quantities to avoid any risk of precipitate the water of the basin.

With air speeds less than 0.15 m / sec. tangential to the walls, with recovery of hot air convection removal of layers with collection of recirculating air from hole between the insulated ceiling and the false ceiling. False ceiling in aluminium with thermo-absorbent action in order to ensure the maximum uniformity of the samples to the worktop or workdesk, and simultaneous energy recovery in compensation to the post-heating tip.

Branca climatic unit type 3 Select air climatic unit model


AIR VOLUME:(450 800 ) m3
Heating: 18 KW
Cooling: 18 KW
Humidification: 12 KW
Indoor fan model:Centrifugal (Standard EU)
Indoor fan capacity:7000 m3/h
Ventilation: 2,4 KW
Air Exchange (m3/h):1 air volume/h
Condensazione:by air
Cooling mode:by water-cooled
Temperature: (10 30) 0,5 C
Relative humidity: (40 80) 2 %
Water charge:⌀ 1/4"
Water discharge:⌀ 1/2"
Condensed water discharge:⌀ 1/2"
Total power installed: 50 KW
Indoor noise level: < 45 dB
Outdoor noise level: < 60 dB
Refrigerant:HFO R1234ze
Send/Return pipe:⌀ 36 mm
GWP: <1
Lubrificant oil:POE, PAG
Power cord sections:5 x 25 mm2
Power conductors: 3F+N+PE
Power supply:400VAC/50HZ
Dimensions (LxPxA): 190 x 65 x 190
Net weight: 590 Kg

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