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Air-handling unit
39CZ

Air flow : 1 000-60 000 m³/h

The 39CZ range is designed for the service sector, industry and healthcare markets, to meet different requirements in terms of air mixing, filtration, heating, refrigeration, dehumidification, humidification, ventilation, recovery and sound attenuation.
  • AHU for all applications
  • Designed to meet the EN 13053 and EN 1886 standards
  • The effective solution for service sector, industry and healthcare applications
  • 14 sizes to handle air flow rates from 1 000 to 66 000 m3/h
  • Available in a single or dual-flow version
  • Horizontally-mounted version for installation indoors or outdoors with a roof and protection accessories

General description

  • External wall with RAL 7035 paint
  • Casing resistance: class D1
  • Casing airtightness: class L1
  • Filter bypass leak: class F9
  • Thermal transmittance: class T2
  • Thermal bridge factor: class TB2

Casing

  • Double skin panels with 50mm mineral insulation
  • Peripheral frame fitted or mounting brackets in stainless steel
  • Depending on the size, double-skin panels, galvanized, coated and smooth walls
  • At least one removable panel per function

Dampers

  • Isolation damper
  • Safety damper
  • Control damper

All the dampers consist of airfoil blades, counter rotating with lateral seals and driven by toothed wheels or control rods.

Boxes

  • Air intake boxes: single air intake, mixing, economiser mixing
  • Air discharge box: directional, distribution

Filters

  • Wide range of filter efficiencies, technologies and dimensions
  • On sizes 150 to 1350, compact filters are available to optimize energy consumption

Electric heater

  • Shielded resistors in scrolled stainless steel finned tubes
  • Connection to copper strips
  • Double insulation assembly
  • Safety thermostat with automatic and manual reset

Adiabatic humidifiers

  • Spray - Efficiency 80% to 90%
  • Stainless steel module with sloped bottom
  • 2 or 3 sprays ramps
  • Drain screens
  • Water tank with its supply equipment

Steam humidifiers

  • Without steam production
    • Stainless steel steam distributor
    • Permissible steam pressure range
    • Cast iron steam/water separator
    • Main steam valve
  • With steam production (standalone with electrodes)
    • Aluminum steam distributor
    • Steamer with electrical cabinet and controller (IP20)
    • Proportional or on/off control
    • Humidity controller or control sensor
    • Duct/cylinder connection
    • Condensate return tubes and connections
  • With steam production (standalone with heaters) on consultation

Fans

  • Forward-curved dual-inlet fan
  • Backward-curved dual-inlet fan
  • Plug fan
  • EC plug fan
  • Steel scroll and impeller
  • Assembly on anti-vibration frame

Heat recovery unit

  • Plate
    • Standard construction or HEE plate heat exchanger
    • Aluminum plates
    • Condensate drain pan on exhaust air side
  • Heat pipe (gravity type)
    • Constructed in the same way as a coil with several rows of finned tubes
    • Standard construction: copper tubes, aluminium fins, galvanized steel casing
    • Transfer fluid: refrigerant, operation from -25°C to +50°C
    • Assembly in either vertical, fixed horizontal or mobile horizontal position on shaft
  • Rotating
    • Corrugated aluminum exchange medium
    • Adjustable midway and peripheral gasket to guarantee a minimum leak flow rate
    • Lateral inspection panel
    • Constant speed gear motor
    • Maintenance-free ball bearing

Sound attenuator

  • Baffles
  • Mineral wool of different densities
  • Galvanized panels
  • Standard flexible sleeves for the outside of the casing
  • Insulated flexible sleeves for the outside of the casing
  • Rain protection frame with bird screen
  • Grille frame for protection of the air handling orifices on AHUs
  • 14 sizes to handle air flow rates from 1 000 to 66 000 m3/h
  • Available in a single or dual-flow version
  • Horizontally-mounted version for installation indoors or outdoors with a roof and protection accessories

General description

  • External wall with RAL 7035 paint
  • Casing resistance: class D1
  • Casing airtightness: class L1
  • Filter bypass leak: class F9
  • Thermal transmittance: class T2
  • Thermal bridge factor: class TB2

Casing

  • Double skin panels with 50mm mineral insulation
  • Peripheral frame fitted or mounting brackets in stainless steel
  • Depending on the size, double-skin panels, galvanized, coated and smooth walls
  • At least one removable panel per function

Dampers

  • Isolation damper
  • Safety damper
  • Control damper

All the dampers consist of airfoil blades, counter rotating with lateral seals and driven by toothed wheels or control rods.

Boxes

  • Air intake boxes: single air intake, mixing, economiser mixing
  • Air discharge box: directional, distribution

Filters

  • Wide range of filter efficiencies, technologies and dimensions
  • On sizes 150 to 1350, compact filters are available to optimize energy consumption

Electric heater

  • Shielded resistors in scrolled stainless steel finned tubes
  • Connection to copper strips
  • Double insulation assembly
  • Safety thermostat with automatic and manual reset

Adiabatic humidifiers

  • Spray - Efficiency 80% to 90%
  • Stainless steel module with sloped bottom
  • 2 or 3 sprays ramps
  • Drain screens
  • Water tank with its supply equipment

Steam humidifiers

  • Without steam production
    • Stainless steel steam distributor
    • Permissible steam pressure range
    • Cast iron steam/water separator
    • Main steam valve
  • With steam production (standalone with electrodes)
    • Aluminum steam distributor
    • Steamer with electrical cabinet and controller (IP20)
    • Proportional or on/off control
    • Humidity controller or control sensor
    • Duct/cylinder connection
    • Condensate return tubes and connections
  • With steam production (standalone with heaters) on consultation

Fans

  • Forward-curved dual-inlet fan
  • Backward-curved dual-inlet fan
  • Plug fan
  • EC plug fan
  • Steel scroll and impeller
  • Assembly on anti-vibration frame

Heat recovery unit

  • Plate
    • Standard construction or HEE plate heat exchanger
    • Aluminum plates
    • Condensate drain pan on exhaust air side
  • Heat pipe (gravity type)
    • Constructed in the same way as a coil with several rows of finned tubes
    • Standard construction: copper tubes, aluminium fins, galvanized steel casing
    • Transfer fluid: refrigerant, operation from -25°C to +50°C
    • Assembly in either vertical, fixed horizontal or mobile horizontal position on shaft
  • Rotating
    • Corrugated aluminum exchange medium
    • Adjustable midway and peripheral gasket to guarantee a minimum leak flow rate
    • Lateral inspection panel
    • Constant speed gear motor
    • Maintenance-free ball bearing

Sound attenuator

  • Baffles
  • Mineral wool of different densities
  • Galvanized panels
  • Standard flexible sleeves for the outside of the casing
  • Insulated flexible sleeves for the outside of the casing
  • Rain protection frame with bird screen
  • Grille frame for protection of the air handling orifices on AHUs
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