VAHU VERTICAL AIR HANDLING UNITS
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TRATTAMENTO DELL’ ARIA VAHU VERTICAL AIR HANDLING UNITS • • • • ErP 2018 Height and minimum ground dimensions Air flows from 3.000 to 27.500 m3/h EC fans adjustable with 0… 10V signal The air handling units in the VAHU range complete the CTA series of air handling units. The VAHUs are designed for those applications where modest ground surface dimensions are an essential condition for the construction of the air conditioning system. They are made in accordance with the requirements of the 2009/125/EC Ecodesign Directive and Regulation 1253/2014 (ErP). This series, produced in 8 models from 3.000 to 27.500 m3/h, is suitable for use in civil, commercial and industrial settings.

TRATTAMENTO DELL’ ARIA VAHU Publication: Technical bulletin Air vertical handling unit (VAHU) Copyright © 2020: all rights reserved in all countries - Roccheggiani Spa Technical data and information expressed in this preliminary publication are the property of Roccheggiani Spa and for general information purposes. With a view to making ongoing improvements, Roccheggiani Spa has the right to introduce at any time, without any obligation or commitment, whatever modifications it deems appropriate in order to improve the product. The pictures showing examples of components inside the units are...

TRATTAMENTO DELL’ ARIA VAHU Regulatory Compliance All VAHU air handling units are tested before shipment. The Company’s Quality System has been certified UNI EN ISO 9001 since 1996. In 2014 the Company was awarded UNI EN ISO 14001 Environmental Management certification. Over the years numerous certifications have been obtained for the various Roccheggiani product ranges from the most important European bodies (TÜV, EUROVENT, Istituto Giordano, VKF-AEAI, GOST, Achilles JQS, etc.). More specifically, the VAHU air handling units are designed and manufactured in accordance with the following...

TRATTAMENTO DELL’ ARIA VAHU Dimensions and weights VAHU 30-100 Air vertical handling unit VAHU Series 30 – 100 VAHU Size *Dimensions with 54 mm panel connection side / filter inspection

TRATTAMENTO DELL’ ARIA VAHU VAHU 140-250 Air vertical handling unit VAHU series 140-250 VAHU Size *Dimensions with 54 mm panel fans inspection connection side / filter inspection

TRATTAMENTO DELL’ ARIA VAHU General technical data VAHU Model External Static Pressure Total Heating Capacity with 4-row coil (1) Total Heating Capacity with 6-row coil (1) Total Cooling Capacity with 4-row coil (2) Sensible Cooling Capacity with 4-row coil (2) Total Cooling Capacity with 6-row coil (2) Sensible Cooling Capacity with 6-row coil (2) Supply Fan Motor Rating Supply Fan Nominal Current Power supply Airflow Control Filtration Filtration class Unit type Ventilation Control Variable turns Nominal Supply Airspeed Maximum External Leakage Airborne Sound Power Level (1) Performance...

TRATTAMENTO DELL’ ARIA VAHU Description and dimensions of accessories Water coil The coils used are of the water type and are mounted on rails for easy removal. The construction materials used are: copper pipes, aluminium fins, coated steel manifolds, frame in galvanised steel. The inner part of the handling section contains a condensate collection pan, made of AISI 304/316L stainless steel and fitted with a drainage system. Mixing box for fresh air intake and recirculation Mixing box for Fresh Air intake and Return Air 40 Supply plenum with grilles with double row of horizontal/vertical...

TRATTAMENTO DELL’ ARIA VAHU Electronic control The VAHU unit can be fitted with two different regulation systems. The first one (RIR “Roccheggiani integrated regulation”) is more complete and consists of an on-board control panel with a touch screen plus an optional remote location touch screen terminal. The second one (RAC1 “accompanying room regulator”) consists of a room regulator fitted with quick access keys for the most common functions. RIR Regulation This type of built-in regulation system on the unit enables full control over all possible VAHU configurations. A kit consisting of...

TRATTAMENTO DELL’ ARIA VAHU Regulation RAC1 The RAC1 regulation consists of a room regulator to which all utilities are connected: fans, actuators, pressure switches and probes. Therefore, the regulator and the various accessories are supplied together with the VAHU unit according to the chosen configuration. The following accessories go together with the room regulator: - temperature probes in the duct/wall versions; - humidity probes in the duct/wall versions; - the CO2 probe in the duct/wall versions; - supply pressure probe; - differential pressure switches to detect soiled filters; -...

TRATTAMENTO DELL’ ARIA VAHU Performance VAHU 30 Pressione statica totale -Total static pressure [Pa] Pressure drops of components Flow capacity (m3/h) Return air/Fresh air damper Supply plenum with grilles G4 class pleated filter 600 Intake grille Portata aria - Air flow rate [m3/h] Thermal capacity of a 4-row heating coil at nominal flow rate Total Capacity Supply temperature Water pressure drop Total Capacity Supply temperature Water pressure drop Thermal capacity of a 4-row cooling coil at nominal flow rate 32°C/50% R.H. Sensitive capacity Supply temperature Water pressure drop Total...

TRATTAMENTO DELL’ ARIA VAHU VAHU 40 Pressione statica totale -Total static pressure [Pa] Pressure drops of components Flow capacity (m3/h) Return air/Fresh air damper Supply plenum with grilles G4 class pleated filter 600 Intake grille Portata aria - Air Flow rate [m3/h] Thermal capacity of a 4-row heating coil at nominal flow rate Total Capacity Supply temperature Water pressure drop Total Capacity Supply temperature Water pressure drop Thermal capacity of a 4-row cooling coil at nominal flow rate 32°C/50% R.H. Sensitive capacity Supply temperature Water pressure drop Total Capacity...

TRATTAMENTO DELL’ ARIA VAHU VAHU 55 Pressione statica totale -Total static pressure [Pa] Pressure drops of components Flow capacity (m3/h) Return air/Fresh air damper Supply plenum with grilles G4 class pleated filter 600 Intake grille Portata aria - Air Flow rate [m3/h] Thermal capacity of a 4-row heating coil at nominal flow rate Total Capacity Supply temperature Water pressure drop Total Capacity Supply temperature Water pressure drop Thermal capacity of a 4-row cooling coil at nominal flow rate 32°C/50% R.H. Sensitive capacity Supply temperature Water pressure drop Total Capacity...