ADHN
ADHN



ADHN

Ceiling unit cooler

4 - 60 kW

DHN1

Aircooler for industrial refrigeration

Large heat-exchanging surface

Many design types

DHN2

 

Info & Downloads

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Product Documentation

Info Datasheet Operation and installation instructions

Application

  • Cold rooms
  • Refrigerated Warehouse
  • Processing Rooms
  • Meat, Fish, Poultry
  • Sensitive Produce

ADHN

Ceiling unit cooler

Features

Advantages

  • Slimline design
  • Even air distribution
  • Low draught air level
  • Aligned tube pattern, large heat-exchanging surface
  • Many design types

Easy to Install

  • Mounted on pallet in installation position
  • Ceiling mounting brackets for easy installation
  • Empty tube for defrost sensor
  • Easy-to-remove side cover
  • Schrader valve on outlet
  • Fans wired on connection socket (optional)

Inspection and Cleaning

  • Hinged tray

High Operational Reliability and Leak-Safety

  • Proven Güntner floating coil principle (refrigerantcarrying tubes do not make contact with the casing,increases the heat exchanger’s service life)

Technical details

Heat Exchanger

  • Aligned tube pattern 50 x 50 mm (or 60 x 60 mm)
  • Special copper tubes for HFC, coolant and CO2
  • Stainless steel tubes for NH3 (or hot-dip galvanised steel)
  • Surface-corrugated aluminium fins for high heat transfer

Casing

  • Corrosion-resistant aluminium alloy AlMg
  • From fan diameter 650 mm, galvanized steel
  • Powder-coated with RAL 9003

Tray

  • Corrosion-resistant aluminium alloy AlMg
  • Separate drip plate
  • Thermally-decoupled tray (condensation free)
  • Powder-coated with RAL 9003

Fans

  • Proven quality fans
  • Internal motor protection with thermocontacts
  • Fan diameter 400 mm: 230 V, 1~, 50 Hz or 60 Hz
  • Fan diameter from 450 mm: 400 V, 3~, 50 Hz or 60 Hz

Product Types / Refrigerant / Capacity

 

 

 

 

 

References

Optimal refrigeration of Herta sausages

Optimal refrigeration of Herta sausages

The most modern hygienic and safety standards are valid not only for the production of sausages. For quality storages, Herta has for years used Güntner units.

 

Project description (978 KB)

Freshness and quality assurance at company Berglandmilch

Freshness and quality assurance at company Berglandmilch

The demands regarding the quality of dairy products like fresh milk, yogurt and butter are high: from the processing to the storage of the sensitive products, swift and unobstructed cooling processes must reliably be ensured.

 

Project description (382 KB)

Media

Publications

Air coolers, air flow and temperature distribution in large cold stores

Air coolers, air flow and temperature distribution in large cold stores

Download

How the air throw of air coolers is influenced by the spatial geometry and by air cooling

How the air throw of air coolers is influenced by the spatial geometry and by air cooling

Download

Influence of heat exchanger design on dehumidification and frost formation

Influence of heat exchanger design on dehumidification and frost formation

Download

Sensible use of energy-saving fans

Sensible use of energy-saving fans

Download

Energy saving on the low-pressure side of a refrigerating plant

Energy saving on the low-pressure side of a refrigerating plant

Download

Tips

subcooling and system efficiency

subcooling and system efficiency

Download

Videos

Accessory

  • Epoxy-resin coated fins
  • Fans wired on connection socket
  • Factory-fitted thermostatic expansion valve
  • Insulated tray
  • Insulated fan plates
  • Core tubes made of stainless steel
  • Fins made of stainless steel
  • Casing and tray made of stainless steel

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