Reversible propane air-water heat pumps

NHE SERIES

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Introduction

REVERSIBLE NHE SERIES 92 - 688 kW

NHE is the range of air/water units in chiller and reversible heat pump versions with natural refrigerant R290. The NHE range is designed to handle the air conditioning of industrial plants and thermal loads in technological applications, where maximum system reliability is required in all operating conditions, 24/7.

  • Commercial
  • Industrial
  • Multi-residential buildings
Description

  • Available with R290 and R454C
  • 2 different soundproofing setups available: Standard, Low Noise
  • Available versions: Chiller (C) and reversible heat pump (H)
  • High power density units in both chiller and heat pump modes
  • Fans with EC motor

 

  • Electronic expansion valve
  • Easy accessibility thanks to the optimisation of the internal space
  • Programmable microprocessor control with proprietary software
  • Compliance with ERP regulations
  • High-efficiency On-Off Scroll Compressors

Operation

NHE heat pump technology.

Pluses
Plate heat exchangers
Modular design
Production of hot water up to 80°C
Precise management of the delivered power
Modulation and redundancy
Easy shipping, everywhere!
Technical overview

Technical specifications

PLATE HEAT EXCHANGERS

The NHE range uses brazewelded plate exchangers with asymmetrical channels, suitable for the use of high and medium pressure refrigerant gases. The configuration with asymmetrical channels allows high heat exchange efficiencies to be reached while maintaining low pressure drops on the water side – which results in reduced pumping costs at both full and partial load.

MODULAR DESIGN

The NHE range is designed with a high focus on efficiency and ease of use, features that are reflected in the integration of a single pumping unit and a single electrical panel. This configuration not only simplifies installation and maintenance, but also ensures reliable and continuous operation,minimising the risk of breakdowns and optimising system performance.

PRODUCTION OF HOT WATER UP TO 80°C

NHE series are capable of producing water at 80°C and operating at outside air temperatures as low as -20°C.

PRECISE CONTROL OF THE SUPPLY TEMPERATURE

The units in the NHE range are equipped with 2-way motorized valves that ensure precise control of the supply temperature even at partial loads, preventingmixing that would compromise the unit’s energy efficiency.

MODULATION AND REDUNDANCY

The units in the NHE range have 2 to 8 independent circuits, each with 2 high-efficiency On-Off Scroll compressors. This guarantees maximum redundancy and high efficiency at partial loads as well as precise control of the heating and cooling capacity delivered.

EASY SHIPPING, EVERYWHERE!

Thanks to its small size, each unit
in the NHE range can easily be placed in a High Cube container and shipped worldwide!

Brochure NHE
NPE and NHE Installation Requirements

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