Powerful and efficient trolley cleaning and sanitizing WS 125 trolley washer Group
WS 125 trolley washer Powerful and efficient for hygienic trolley cleaning Hygiene and cleanliness is of paramount importance in hospitals, clinics and residential care homes, not to mention other applications, e.g. laboratories etc. Any trolley used to transport or remove goods and equipment (e.g. foodstuffs, bed-linen, waste products) must be cleaned to proper standards of hygiene. The MEIKO WS 125 trolley washer was especially developed to guarantee these demanding hygiene standards. It has an extremely efficient power-wash and rinse system for cleaning these trolleys economically and hygienically. The whole appliance is made of stainless steel and can be supplied both as a pass-through machine and as frontloader. In the frontloader, the trolley is loaded into the machine and removed on the same side; in the pass-through machine, the trolley is loaded into the machine on one side and removed from the opposite side. The clean and contaminated sides are therefore separated. To prevent contamination of the clean side, only one door can be unlocked at a time and only when loading/ unloading. The doors can be supplied either as hinged doors or roller doors (optional). The wash-chamber is equipped with a washing and rinsing system which moves horizontally and is in sections to correspond to the divisions in the trolley. Thus all parts of the trolley can be reached directly and efficiently by the wash jets and the water from the separate rinse system. The whole surface of the trolley is sprayed several times with wash-water during the washing process. A powerful centrifugal pump with a 5.5 kw output is used for washing. After the recirculation wash is complete, the trolley is rinsed with hot, fresh water at a temperature of about 85 C. The rinse system is equipped with special high pressure sprays which efficiently remove the wash-water but use only a very limited quantity of clean water. The rinsing process uses a booster pump fed from the appliance s own clean water reservoir which also acts as a boiler. After rinsing, the trolley is dried by powerful fans blowing large volumes of air over the trolley. Machine cross section (diagrammatic) Drying fan Rinse water tank Air jets Wash water tank Mobile wash system Tilting system
Functional details Made by and for professionals The dual wash and rinse systems which are adjusted to suit each trolley type are located on the left, right and over the trolley and move along the trolley at pre-set intervals, thus optimally cleaning the whole trolley surface several times during each washing process. Technology in the service of the user The generously-dimensioned wash-chamber provides sufficient space for all common types of trolleys. Trolleys can be efficiently and ergonomically loaded into and removed from the machine as its entrance is level with the surrounding floor. Wide jets in the drying system combined with large volumes of air and a powerful heat input to dry the trolleys with extreme efficiency. Washing and rinsing nozzles are made from the highest quality materials. Automatic tilting of the trolley This process allows the water to escape easily from the internal compartments as well as drain from the outer surfaces, thus guaranteeing outstandingly effective cleaning as well as excellent drying. Wash water filter systems Several basket filters are provided to trap all residues removed from the trolley during washing. The sloping floor directs the recirculating water directly into these filters.
Secure programming sequences for excellent hygiene Practice-oriented design provides the most benefit Outstanding results from the washing and rinsing processes are ensured by a PLC controlled thermochemical washing process with recirculating washwater. This design and process technology complies with the requirements profile set out in the latest (2005) edition of the BWA Working Group standards. Programmable logic controller (PLC) All the control and verification functions of this fully automatic machine can be clearly seen on the screen; they can also be output at any time to provide hygiene documentation. The dish-washing layout in a hospital kitchen providing meals for 1200 people and using dual chamber equipment (two WS 125 pass-through machines) The high efficiency of this washing-up kitchen is further increased by the incorporation of four waste funnels directly alongside the belt conveyor washing machine used for dishware and gastronorm containers. The waste food is efficiently, hygienically and fully automatically removed to a collection tank using MEIKO WasteStar vacuum technology. CONTAMINATED Diagram showing the programme sequence and temperature changes Overall decontamination program Outside the machine Cycles Functions Open door 1 Process steps Load Close door Decontamination Rinse Dry Open door 2 Unload Close door Cooling Process time Programme flow Loading and unloading time Operating time Decontamination time Rinse time Drying time Cooling time CONTAMINATED Temperature in C Cycle 100 90 Temperature: clean water rinse 80 70 Temperature: wash tank 60 50 40 Trolley temperature Layout of a dishwashing area in a hospital kitchen and equipment for the meal preparation for 600 patients and 150 staff using a WS 125 pass-through machine. 30 20 10 Cf. BWA Working Group, Machine Decontamination, 7th enlarged edition / Part 3 Cooling time
Dimensions and technical data The appliances are installed ready for connection to the electricity supply and ready for operation. They are delivered for 3-phase 3 / N + PE 400 V, 50 Hz current as standard. (Other forms of heating can be supplied on request). The wiring meets VDE requirements. 2.800 2.900 WS 125 trolley washing machine The appliances can be connected to the water supply without the need for intermediate security fittings. Soft hot water to DN 25 0-3 dh The flow pressure must be minimum 2.5 and maximum 6 bar. 2.920 (pit) 120 2.920 (pit) (1 bar = 100 kpa) (1 dh ca. 0,18 mmol/l CaCO3) The Installation requirements of EN 1717 must be observed. Waste pipe to DN 70. Exhaust air from the machine including entrained air from the kitchen, 2.400 m 3. MEIKO recommends branded cleaning products of well-known manufacturers. cleaning and hygiene products are an excellent choice. 2.720 pit (in the floor) Frontloader 2.700 (Machine) Capacity Wash cycles per hour 15-20 Useable volume H x W x D in mm 1.950 x 1.000 x 2.400 Clean water per wash cycle l 18 2.720 pit (in the floor) Trough in floor covered by a grid (in the building) 2.700 (Machine) Pass-through machine Tank capacity l 300 Total connected load (motors) kw 19,5 DIN EN ISO 9001 Zertifikat Nr. 71 100 7 001 Roller door drive (option) kw 0,3 Tank heating kw 30 Boiler heating kw 26 Dryer heating kw 18 Information on kw heating output ± 5% MEIKO Maschinenbau GmbH & Co. KG Englerstr. 3 77652 Offenburg Germany Tel. (+49)781/203-0 Fax (+49)781/203-1121 www.meiko.de E-Mail: info@meiko.de 340.030.01.03.10/GB/KD/3000 We reserve the right to make alterations in the course of further development.