Air-handling unit
39CZ

Air flow : 25,000-60,000 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

4 sizes to handle air flow rates from 25,000 to 60,000 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, galvanised, 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 optimise 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)
- aluminium 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
- aluminium 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, galvanised 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 aluminium 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
Galvanised 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

Range

4 sizes to handle air flow rates from 25,000 to 60,000 m³/h
Available in a single or dual-flow version
Horizontally-mounted version for installation indoors or outdoors with a roof and protection accessories

Features & Benefits