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NECS-CN 0152 - 1204

Reversible unit, air source for indoor installation Cooling capacity 36,4 - 303 kW
NECS-CN 0152 - 1204

Features

  • REFRIGERANT GAS R410A
    The use of R410A allowed to achive better energy efficiencies with environment full respect (ODP = 0)
  • TOTAL VERSATILITY
    The NECS-CN units are available with both vertical and horizontal air outflow. The horizontal outflow version is particularly effective in installations where the height of the technical compartment does not allow the traditional vertical outflow
  • HIGH PERFORMANCE CENTRIFUGAL FANS
    The units are fitted with statically and dynamically balanced double-inlet centrifugal fans coupled by belt and pulleys. Useful static pressure up to 180 Pa.
  • CLASS A EFFICIENCY
    The full range is also available with the Class A efficiency rating (in heating).
  • INTEGRATED HYDRONIC GROUP
    The built-in hydronic module includes the main water circuit components; it is available in various configurations with one or two pumps with high or low head.

Accessory

  • Set-up for remote connectivity with ModBus/Echelon protocol cards
  • Remote control keyboard (distance to 200m and to 500m)
  • Soft starters
  • Horizontal or vertical air outflow
  • Rubber anti-vibration mounting kit

Controls

  • W3000 Base – W3000SE Compact
    The controller in two different versions according to the unit’s type: W3000 Base: electronic controller complete with keypad features an easy-to-use interface and a complete LCD display, allowing to consult and intervene on the unit by means of a menu up to three languages (Italian and English come standard, a further language can be chosen within French, Spanish, German, Russian and Swedish) W3000SE Compact: electronic controller complete with keypad features an easy-to-use interface and a complete LCD display, allowing to consult and intervene on the unit by means of a multi-language menu, with selectable language setting on site. This controller also includes an internal clock. All the W3000 electronic controllers offer advanced functions and algorithms. The keypad features an easy-to-use interface and a complete LCD display, allowing to consult and intervene on the unit by means of a multi-level menu, with selectable language setting. The regulation is based on the exclusive QuickMind algorithm, including self-adaptive control logics, beneficial in low water content systems. As alternatives the proportional- or proportional- integral regulations are also available. The diagnostics includes a complete alarm management, with the “black-box” and alarm logging functions for enhanced analysis of the unit operation (available on W3000SE Compact only). For multiple units’ systems, the regulation of the resources, via optional proprietary devices, can be implemented. Energy metering, for both consumption and capacity, can also be developed. Supervision can be easily developed via proprietary devices or the integration in third party systems by means of the most common protocols as ModBus, Bacnet, Bacnet-over-IP, Echelon LonWorks. Compatibility with the remote keyboard managing up to 10 units. The internal real time clock allows to manage a weekly schedule operating on 4-day profiles with 10 hour belts (available on W3000SE Compact only, optional on W3000 Base controller). The defrost adopts a proprietary self-adaptive logic, which features the monitoring of numerous operational parameters. This allows to reduce the number and duration of the defrost cycles, with a benefit for the overall energy efficiency.