Small air-handling units

SMALL HEAT-RECOVERY UNITS | 0.05–1.5 m³/s | ALS/ALV-X

Kesair ALS/ALV/ALRS/ALRV units are vertical or horizontal package units equipped with a cross-flow heat exchanger or rotary heat exchanger. These units are designed for schools, day-care centres, offices, and industrial premises. The units are prefabricated with electrification and automation, and they are factory-tested. Each unit has direct-drive frequency-converter-controlled fans, which make the adjustment of air-conditioning easier and bring energy savings.

The ALS/ALV/ALRS/ALRV units are controlled via regulators on the devices. Alternatively, we can deliver them as ‘terminal strip units’ that can be connected easily to a central control and monitoring system. Also, delivery is available without any electrical and regulation equipment.

STANDARD DELIVERY CONTENT

  • sheet-metal – wool – sheet-metal construction, thermal insulation with mineral wool 50 mm thick, and adjustment feet
  • tight fresh-air and exhaust-air dampers
  • air filters at supply (EU7) and at exhaust (EU5) and a set of spare filters
  • direct-drive chamber fans or radial fans (80 series)
  • panel heat exchanger (incl. bypass dampers) or rotary heat exchanger (incl. drive)
  • water-circulation heater or electric panel heater

EQUIPMENT TO BE SELECTED FOR UNITS

  • cooling radiator based on water or glycol circulation or on direct evaporation
  • frequency converters
  • EC direct-current motors (optional)
  • damper motorst
  • electrical box
  • automatics, with Ouman or Schneider regulator
  • regulators for connection to remote monitoring (DDC)
  • air-circulation operation
  • mixing shunt group and water-circulation pump
  • air-flow meters
  • smoke and gas monitoring
  • flow monitor
  • thermometers
  • CO2/VOC sensor for air-quality monitoring
  • installation of customer-supplied components and wiring to terminal strips
  • sound dampers

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