GRH 40÷450

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GRH 40÷450
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GRH 40÷450

Heat Recovery Unit from 380 to 4.500 m³/h with VERY HIGH EFFICIENCY exchanger

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A ventilation unit designed and manufactured for non-residential applications allows combining the need for air renewal with maximum energy saving. Equipped with a counterflow heat recovery unit in aluminium plates, it specifically meets the requirements of EU Regulation no. 1253/2014. By nature, they are units that generally tend to integrate with traditional heating/air conditioning systems, even if, equipped with the appropriate accessories, they can be used completely on their own. The series, both in horizontal and vertical set-up, is divided into six sizes, for air flow rates ranging from 380 to 4500 m³/h.

Versions

  • GRH/HA - Horizontal installation A type configuration
  • GRH/HB - Horizontal installation B type configuration
  • GRH/VC - Vertical installation C type configuration
  • GRH/VD - Vertical installation D type configuration

Features

  • The structure is made with 25 mm thick insulated panels in galvanised sheet metal on the inside and RAL 9002 pre-painted finish on the outside, internally insulated with non-flammable mineral wool thermal-acoustic insulation.
  • Compact filters with synthetic media (external layer) and glass fibre media (internal layer) and galvanised steel frame, in the efficiency class ePM10 50% on the ambient air intake and ePM1 50% on the outdoor air intake, removable on the bottom. Each filtering station is already equipped with a control pressure switch wired on board and suitable to house two filters in sequence.
  • EC Inverter Plug-Fans.
  • The high-efficiency heat recovery unit is of the air-to-air counterflow flow type with aluminium exchange plates with an integrated by-pass system for free-cooling operation.
  • Electrical board built-in in the unit with electronic adjustment and remote user interface for complete control of all features: ventilation and temperature control, filter status monitoring, weekly programming, defrost and antifreeze management, fire alarm management and Modbus interface.

Factory fitted accessories

  • FTF9 Plate filters efficiency F9 ePM1 85% - Second stage
  • AT Constant air flow regulation control
  • EHP Supplementary electrical heater-PRE
  • EHR Supplementary electrical heater-POST

Loose accessories

  • CRT Touch screen remote control panel
  • PMM Multidirectional plenum
  • BCF Nozzle for circular ducts - Frontal
  • BCL Nozzle for circular ducts - Lateral
  • SK1 Adjustment damper - Frontal
  • SK2 Adjustment damper - Lateral
  • SM Servo-motor for damper
  • GA1 Anti-vibrating joint - Frontal
  • GA2 Anti-vibrating joint - Lateral
  • WFH Water cooling / heating section - Horizontal
  • WFV Water cooling / heating section - Vertical
  • WXH Direct expansion cooling / heating section - Horizontal
  • WXV Direct expansion cooling / heating section - Vertical
  • SQO Air quality probe (Co2)
  • KSA Sanitization module with UVC plasma and antivirus
  • V33 3-way modulating valve with servo control
  • TTH Roof covering - Horizontal
  • TTV Roof covering - Vertical
  • TTA Roof covering for WFH and WXH - Horizontal
  • TTB Roof covering for WFV and WXV - Vertical