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The 39HX dual-flow air handling unit is a PLUG & PLAY ventilation unit equipped with a highly efficient heat recovery unit with plug fans and high-performance EC motors, designed to meet all the requirements of recent eco-design regulations. These units are designed for use in the following applications: administrative buildings, offices, education facilities, libraries, community centers, cafes, hotels, restaurants, shopping centers, nursing homes, healthcare facilities and collective housing.
- Plug & play unit (built-in control)
- Class A+ across entire range
- Classic/Vertical/ceiling-mounted dual-flow units
- High-efficiency heat recovery unit
- High performance plug fan
39HXE model
- 9 sizes, air flow from 300 to 18 000 m3/h
- Floor-mounted horizontal unit with horizontal air flow and air connections on the sides
- Floor-mounted horizontal unit with horizontal air flow and air connections on the side
39HXC model
- 5 sizes, air flow from 300 to 6 600 m3/h
- Ground installation, horizontal position, horizontal air flow and air circuits on the sides
39HXV model
- 3 sizes, air flow from 300 to 2 600 m3/h
- Ground installation, vertical position, vertical air flow and air circuits on the top
39HXH model
- 3 sizes, air flow from 300 to 1 900 m3/h
- Ceiling-mounted horizontal unit with horizontal air flow and air connections on the sides
FEATURES AND BENEFITS
Casing
- Double-skin panels made from sheet steel, galvanized on both sides, thickness 8/10 mm.
- RAL 7035 grey precoated external panels
- Class M0/A1
- Mineral wool, 50 mm thick
Filtration
- M5 HEE, F7 HEE, F9 HEE filters
- Filter cells kept compressed by a special system to ensure a leak tight seal.
- HXC, HXV, HXH models: fouling value monitored by analogue sensor and displayed by controller.
- HXA model: pressure switch control on each air flow. Pressure switch status displayed by controller.
Ventilation
Plug fan driven by an electronically commutated motor (EC motor, built-in variable speed control)
Heat recovery units.
- “Contra Flow” plate heat exchanger equipped with a motorized bypass (HXC, HXH and HXV models). Efficiency greater than 80% across the range of air flows
- Rotary heat exchanger equipped with rotation variable speed control (39HXE model). Efficiency > 80% at nominal flow rate
- Constant speed rotary heat exchanger (HXA model). Efficiency greater > 80% at nominal flow rate
Hydraulic coil
- Copper pipes, aluminum fins
- Coil can be integrated or additional (cased)
- With the accessory fitted, 2- or 3-way control valve and 0-10 V actuator controlled by 39HX Control for set-point accuracy.
- Stainless steel condensate drains pan (cooling coil or mixed coil only)
Electric heaters
- High-limit safety thermostat with automatic and manual reset
- Control by 2-stage on/off operation fully controlled by 39HX Control.
DX coil
- Copper tubes, aluminum fins
- For reversible heating/cooling operation
- Internal space optimized for VRV units.
- Stainless steel condensate drains pan.
Electric box
Electrics box for power, control, and internal regulation of the unit
Accessories
- Damper formed of airfoil blades, powered by a servomotor
- On/off with return spring
- Flexible sleeve
- Adjustable feet
- CO2 air quality sensor
- Roof
- Canopy
- Mixing section
- Remote ambience control
- ModBus RTU, LON, KNX, ModBus communication
- TCP, Bacnet IP, web interface
Controls
- Fan time schedule
- Safety
- Alarms
- Control mode
- Free cooling (depending on models)
- Night cooling function (depending on models)
- Effieciency optimization
- Configuration of the air flow rate
Engr. Kolawole Surajudeen, (COREN; MASHRA; MNSE; MNIMechE; IAENG)
Head, Technical Sales & Applications, Cooling Division.
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