Roller ceiling-mounted air cooler DLK 421 EC, 0013682, LA=4 mm, air volume flow: 890 m³/h, fan:2x
€962.71*
Available, delivery time: 1-2 weeks,
within Germany, abroad different, Subject to prior sale
Ceiling air cooler DLK 421 EC
The DLK 421 EC ceiling-mounted air cooler is ideal for use in commercial refrigeration and air conditioning systems. It offers efficient cooling and is suitable for various applications.
Technical details
- Cooling capacity from 0.5 to 9 kW
- Temperature range: DLK: 0 to 40 ?C
- Flap spacing 4 / 4.5 / 6 / 7 / 10 / 12 mm
- Defrosting: electric, optional: Brine, hot gas
- Operating pressure up to 25 bar/ 60/80 bar with CO2
- Generously dimensioned side spaces for good accessibility via side covers, removable
- Drip tray can be completely folded down for cleaning and service work
- Flat suspension rails made of stainless CrNi steel
- Connections with threaded nipples, venting and and drain valve (water or brine operation)
- Heating rods and fans wired to junction box
- Wall-mounted installation using additional drip tray (optional)
- Double tray construction to prevent condensation
- Detachable side covers
- Flange end Pipe pitch and fin spacing up to 12 mm for easy cleaning
- Casing corners and drip tray with large radii for improved cleanability
- Fold-down / removable fan plate with drip tray for easy installation and cleaning of the device
- Optimised, optimised, aligned pipe system with smooth fins ensures low air-side pressure loss and high air throughput
- EC fans for energy-efficient operation, as standard
- Cooling load-dependent adjustment of the air flow rate via external controller (0-10V)
- Air cooler energy efficiency class up to top mark "A"
- Multi-fan units with intermediate plates for optimum flow through the heat exchanger
- Corrosion-resistant aluminium housing with scratch-resistant powder coating
- Corrosion protection for heat exchanger and housing for different ambient conditions
- Heater rods in the block for reliable defrosting, inserted in aluminium jacket tubes to prevent vapour
- Large heat exchanger surfaces reduce air dehumidification and therefore make fewer defrosting operations necessary
- Number of fans: 1
- Fan design: EC
- Refrigerant outlet size: 12 mm
- Refrigerant inlet size: 12 mm
- Weight without packaging: 13 kg
- Finned spacing: 4 mm
- Air flow rate: 890 m³/h
- Dimensions height: 246 mm
- Dimensions length: 860 mm
- Dimensions depth: 497 mm
- Nominal refrigeration capacity: 1.13 kW
- Nominal refrigeration capacity reference point refrigerant: R404A
- Nominal cooling capacity reference point t: -8 °C
- Heat transfer surface: 5.9 m²
- Tube capacity: 1.3 l
- Sound pressure level: 46 db(A)
- Sound power level: 67 db(A)
- Fan power: 31 W
- Throw distance: 7 m
Advantages and benefits
- High energy efficiency thanks to EC fans.
- Easy access for maintenance thanks to removable covers.
- Optimised air routing for low pressure loss and high air flow rate.
- Flexibility in installation thanks to optional additional drip tray.
Walter Roller GmbH & Co. is an internationally active family-run business specialising in refrigeration and air-conditioning technology, with its headquarters in Gerlingen near Stuttgart. Since 1946, the company has been developing, manufacturing and distributing high-quality heat exchanger products in the premium segment. With over 75 years of experience, Walter Roller offers bespoke solutions for a wide range of applications in refrigeration technology.
Product groups and specialisations:
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Air coolers/evaporators:
- For demanding applications in commercial and industrial refrigeration.
-
Air conditioning units:
- For a perfect indoor climate in building services and process cooling.
-
Heat pump evaporators:
- For outdoor installation in heating and air conditioning applications.
-
Condensers/cooling coils:
- For commercial applications requiring efficient heat dissipation.
-
Heat exchangers:
- Available in standard and customised designs for various applications.
-
Refrigeration unit air coolers:
- For catering and commercial applications with custom-fit designs.
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Counter evaporators:
- For every refrigeration unit application, with customised sizes and shapes.
Walter Roller operates in over 30 countries worldwide and manufactures products developed in Germany for the Asian market at its facility in Bangkok. The company places great emphasis on quality, innovation and sustainability, offering solutions that meet the high standards of modern refrigeration technology.
Manufacturer details (information requirements under the GPSR Product Safety Regulation):
Manufacturer: Walter Roller GmbH & Co.
Postal address: Lindenstraße 27-31 70839 Gerlingen Germany
Email address: [email protected]
Website: www.walterroller.de
| Air flow in m³/h: | 890 |
|---|---|
| Fin spacing: | 4 mm |
| Item condition: | New item |
| Number of fans / fan blades: | 2x |
