RLA

AIR-WATER CHILLERS AND HEAT PUMPS FOR OUTDOOR INSTALLATION

  • RLA

Available range

 

Unit type

IR Chiller

IP Heat pump (reversible on the refrigerant side)

BR Chiller Brine

BP Heat pump Brine (reversible on the refrigerant side)

 

Version

VB Base version

VD Desuperheater version

VR Total recovery version

 

Acoustic setting up

AB Base setting up

AS Low noise setting up

AX eXtra low noise setting up

 

Source temperature level

M Medium temperature level

A High temperature level


  • Technical Data

    This series of air-water chillers and heat pumps satisfi es the cooling and heating requirements of residential plants of medium-large size.

    All the units are suitable for outdoor installation and can be applied to fan coil plants, radiant fl oor plants and high efficiency radiators plants.

    The refrigerant circuit, contained in a compartment protected from the air flow to simplify the maintenance operations, is equipped with scroll compressors mounted on damper supports, brazed plate heat exchanger, electronic expansion valve, reverse cycle valve, dehydrator fi lter, axial fans with safety protection grilles, fi nned coil made of copper pipes and aluminium louvered fi ns with subcooling section.

    The circuit is protected by a safety gas valve, high and low pressure switches and differential pressure switch on the plate heat exchanger.

    The plate heat exchanger and all the hydraulic pipes are thermally insulated in order to avoid condensate generation and to reduce thermal losses.

    All the units can be equipped with variable speed fans control that allows the units to operate with low outdoor temperatures in cooling and high outdoor temperature in heating and permits to reduce noise emissions in such operating conditions.

    The low noise acoustic setting up (AS) is obtained, starting from the base setting up (AB), reducing the rotational speed of the fans and mounting sound jackets on the compressors and the technical compartment is clad with soundproofing material of suitable thickness.

    The eXtra low noise acoustic setting up (AX) is obtained, starting from the low noise setting up (AS), further reducing the rotational speed of the fans and using finned coil with bigger surface.

    All the units are supplied with a manage ment and control electrical panel containing general switch, phase presence and correct sequence controller, microprocessor controller with display and all the other electrical components with IP54 minimum protection degree.

    All the units are accurately built and individually tested in the factory. Only electric and hydraulic connections are required for installation.

  • Technical Files

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