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KWI – Water Wash Hood (CE)

Main features: ◦ Capture Jet™ technology ◦ KSA cyclonic aerosol separators ◦ Water Wash technology ◦ Halton Skyline LED Lighting ◦ CE marked ◦ UKCA pending

Main benefits: ◦ Drastic energy savings thanks to reduced airflows ◦ Savings on exhaust plenum and ductwork cleaning thanks to slower formation of grease deposits ◦ Additional savings on filters cleaning ◦ Improved visual comfort and color render for the food

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Overview

KWI | Water Wash hood (CE)

Applications

Halton Capture Jet™ hoods and ventilated ceilings are all suitable for LEED (1), BREEAM (2), DGNB (3), etc. projects, particularly when combined with M.A.R.V.E.L. airflow and energy optimization technology. They can be used in all closed, opened, or show kitchens, and, in general, all food-producing environments.

In addition to the Capture Jets, KWI hoods are also equipped with the Water Wash technology. This technology is more typically used for commercial kitchens with a large operating hours range that leaves little time for filters cleaning.

Description

The Capture Jet™ technology is based on the use of one or several sets of dual or single nozzles strategically placed. They prevent the smoke, steam, heat, etc. released by the cooking appliances from escaping. It therefore increases the capture efficiency of Halton's hoods and ventilated ceilings, in order to reduce the exhaust airflow rates.

KWI hoods are equipped with dual nozzles on the front and sides.

The Water Wash technology is designed to automatically carry out the regular filters cleaning, with no outside intervention necessary. It cuts down the filters cleaning frequency to the strict legal minimum. It saves a lot on the maintenance costs. Users can also devote themselves entirely to creating and preparing menus and food.

Considerable energy savings

  • Up to a 40% reduction in exhaust airflow rates thanks to the Capture Jet™ technology.
  • The Capture Jet™ technology typically pays off from installation or within a few months after, thanks to the reduction of the construction and operation costs.
  • M.A.R.V.E.L. airflow and energy optimization technology allows for reducing the exhaust volumes by up to an additional 40% on top of that of the Capture Jet™ resulting in up to a 64% total reduction.

Improved safety and maintenance savings

  • KSA cyclonic aerosol separators constructed of stainless steel in compliance with EN 16282-6. They are up to 95% efficient on 10 microns particles or larger. Also certified UL 1046, NSF, and LPS 1263.
  • KSA aerosol separators efficiently slow down the build-up of grease deposits in the exhaust plenums and ductwork that could otherwise constitute a serious hygiene and fire safety hazard.
  • It also results in savings on the ductwork cleaning cost.
  • The Water Wash technology automatically cleans the filters with no staff intervention.
  • The Water Wash technology adds savings on filters cleaning cost on top of the savings on ductwork cleaning.

Other features and benefits

  • HACCP (4) International certified.
  • Integrated fan for the Capture Jet™ technology. No additional duct is required.
  • Capture Jets are automatically switched off when the hood is not used or operates at a minimum airflow.
  • Requires a control cabinet from CCW range for the automatic washing cycles management.
  • Advanced 24/7 distant monitoring capabilities thanks to Halton Connect IoT (Internet of Things) platform.
  • Highest value of ownership thanks to Halton Connect & Care smart services available as an option from kitchens commissioning.
  • Halton Skyline (HCL) LED culinary light provides the best visual comfort while contributing to further improve safety and energy savings.
  • When extended to the whole kitchen and surrounding areas, the Human Centric version of Halton Skyline (HCL) directly contributes to chefs' and their teams wellbeing.
  • Capture and containment efficiency tested in accordance with the ASTM 1704 standard.

(1) LEED - Leadership in Energy and Environmental Design (2) BREEAM - Building Research Establishment Environmental Assessment Method (3) DGNB - German Sustainable Building Council (4) HACCP - Hazard Analysis Critical Control Point

About Halton Skyline



Halton Skyline is the first LED based lighting technology specifically developed for commercial kitchens. Everyone agrees the light it provides is simply the closest possible to natural light. Halton Skyline is embedded in Halton's hoods, ventilated ceilings and hard false ceilings. Also available as standalone light fittings, its use can be extended to all areas of kitchens. Halton Skyline represents a unique set of real benefits for the chefs, their staff and even their guests when it comes to display kitchens.

  • A Culinary Light that remarkably respects the food colour and plasticity from raw ingredients to plated presentation

  • A Culinary Light that also improves the working conditions while playing an active role in the kitchen safety

  • A Human Centric light that follows your biorhythm to further improve the working conditions and staff Wellbeing

  • A state-of-the-art lighting technology that, at its core, saves significantly on energy and maintenance

Construction

  1. Visible outer envelope in stainless steel AISI 304 (1,0 mm).
  2. Exhaust plenum fully constructed of stainless steel AISI 304 (1,2 mm).
  3. KSA aerosol separators.
  4. Removable deflectors.
  5. Water drain threaded pipe (DN50).
  6. Stainless steel manifold equipped with brass spraying nozzles for the filters cleaning (hot water).
  7. Optional stainless steel manifold equipped with brass spraying nozzles for the exhaust plenum cleaning (hot water).
  8. Solenoid valve controlled by one of the CCW control cabinets range (directly or via the controllers network).
  9. Exhaust connection(s) and sliding damper(s).
  10. When the hood is equipped with M.A.R.V.E.L. energy optimization technology (MRV), the sliding damper is replaced by ABD automated slim damper. When the hood has only the "M.A.R.V.E.L ready" option, it is equipped only with the ABD damper to allow for a future M.A.R.V.E.L. retrofit.
  11. T.A.B.™ (Testing And Balancing) pressure port(s) for quick airflow calculation during ductwork balancing operations.
  12. Front Capture Jet™ nozzles (horizontal and vertical).
  13. Double skin sides.
  14. Side Capture Jet™ nozzles.
  15. Integrated Capture Jet™ fan.
  16. Capture Jet™ fan air inlet.
  17. Halton Thermal Imaging sensor for the optional FireWatch or M.A.R.V.E.L. technologies.
  18. Halton Skyline LED culinary LED light fiitng integrated on a flushmounted access hatch.
  19. As an option, Halton Skyline LED spots integrated on a full width and flush mounted light beam(s).

Dimensions

- Above 3100 mm, hoods are an assembly of separate sections to make transportation and site handling easier.

- Number of connections to be determined based on the sections length and on the calculation of the airflow rates depending on the cooking appliances.

- Rectangular connections on request.

Admissible and calculated airflows

Admissible airflows

(1) QE Min/KSA = 505 m3/h | QE Max/KSA = 786 m3/h - ∆PT.A.B. Min = 59 Pa | ∆PT.A.B. Max = 144 Pa

(2) Side Jets with W=1300 mm

Calculated airflows

The calculated exhaust airflow rates are determined with a EN 16282-1 based calculation method. It relies on the evaluation of the convective flows' volume (air mixed with heat, steam, grease, smoke and other pollutants) generated by the cooking appliances, depending on their type, on the energy they use and their installation conditions (central, on a wall, in an angle).

The air volume required to remove the convective loads is then calculated depending on:

  • The hood or ventilated ceiling installation height;

  • The makeup-air strategy (mixing or displacement);

  • The hood or ventilated ceiling capture efficiency according to ASTM 1704-12 standard.

KWI hood reduces the exhaust airflow rates(1) by up to 40% compared to traditional hoods.

(1) This scale is indicative and based on wall mounted hoods, opened on 3 sides, equipped with a same cooking bloc, whatever it is. For each hood model, the exhaust airflow variation is due to the makeup-air type (mixing or displacement). Other parameters do impact the final airflow rates. Our sales teams are at your disposal to provide you with a calculation note depending on your kitchen configuration.

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