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It will also be fitted with the following accessories:
Cold water side: Shut-off valve, one-way valve, safety valve connected to drain (7 bar), hot water type expansion pressure vessel.
Hot water side: Thermostatic mixer, hot water type expansion pressure vessel, safety valve connected to drain (3 bar).
When required, a 100% stainless steel soap powder proportioning hopper is included. The amount of soap powder delivered to the hot water tank can be regulated to adapt to the customer’s requirements. Automatic adjustment of soap powder mixing, depending on the number of bays using this wash program. The more bays, the more soap is delivered and vice versa. It is equipped with a vibrator to stop soap from clumping inside the hopper and a stainless steel injection pump to take the soap and water mix from the hopper to the supply manifold of the pressure units. As a second option, there is an electronically controlled liquid soap injection pump.
The pressure units are equipped with a three-phase electric motor with F class insulation, which is either 2.2. Kw, 1000 rpm for 10 l/min or 3 Kw, 1500 rpm for 15 l/min and HAP ceramic piston pump. The pressure units are fitted with a pressure regulating valve, a manometer and a water inlet manifold. The pump bedplate is made of structural stainless steel section.
Supply manifolds for the different types of washing water are also mounted on the bedplate and they, in turn, have supply control electrovalves: two membrane electrovalves for the cold water programs and a stainless steel pneumatic electrovalve for the hot water program with soap, for each of the pressure units. An anti-freeze system is connected to this manifold. This system causes hot water to flow through the pipes, preventing the circuit from freezing when outside temperatures drop to below 0ºC.
Watertight metal cabinet with automata viewing window, according to current regulations, with the following elements:
Watertight 2 x 65 w fluorescent light screens in washing bays (four in closed bays and two in open bays), in the machine room. Operated by means of watertight switches (one per wash bay), with the option of being able to install an automatic lighting system controlled by a timer and twilight switch. Schuko-type socket on electric panel with ground connection.
All wiring is carried out with Aceflex 1000 V electrical hoses. Externally they are integrated into the structure and in the electrical room they are placed on cable trays with covers. The motor and electrical element connections have cable glands to ensure they are watertight.
Watertight stainless steel cabinet with safety lock and a choice of two collection systems, either with a drawer in the cabinet itself or by means of a centralised coin vacuuming system, comprising the following elements:
Multi-coin electronic selector. It accepts coins that are current currency, Euros and tokens. Or fixed mechanical selector of tokens or coins - to be specified
Stainless steel 360º rotating arms located in the centre of the bay. Stainless steel power-wash lances with non-twist hoses. Broad range nozzle and anti-scratch guard. Stainless steel lance supports with non-leak systems.
Depending on the quality of the water supply there are specific technical considerations to be taken into account in the preparation and adapting of a study, however the following example describes the water treatment equipment required in the hypothetical example of a 3-washing bay installation with average quality water.
The purpose of the following technical study is to obtain high quality water using WATER SOFTENING techniques by ION EXCHANGE, based on intake water with an intake water hardness of 40ºF.
The final water quality can be adjusted to 0.5ºF (French degrees), however a salt content (Ca + 2 and Mg + 2) and HARDNESS of around 5 to 10ºF is recommended; for this purpose there is a bypass mixing valve.
The aim of the following technical study is to obtain high quality water using the REVERSE OSMOSIS technique, starting with intake water with a maximum electrical conductivity of 715 uS/cm.
This equipment is capable of producing 6,000 litres/day of osmosis water per membrane installed in model ESPA2 40/40 and 24,000 litres/day per membrane in model ESPA2 80/40, with an end quality of approx. 20 uS/cm.
The water treatment equipment designed and manufactured by Sistemas de Limpieza HAP is always mounted on a stainless steel bedplate and has a modular system that allows production to be increased. A further feature is its mixing system to obtain, at all times, the end water quality that is required.
(Only for installations with a high suspended solids content or well water, not included in this offer):
Special two-layer filter to retain suspended solids with load of organic matter.
Transparent 20"" vessel with 1” connection with 25 micra disposable candle, maximum working pressure 8 bar.
Water softening filter
Operation: Twin volumetric with alternating operation.
Average water hardness is 40 French degrees which means that there are 400 grams of calcium carbonate per m³ (1,000 litres).
Each litre of resin traps 60 grams of calcium carbonate.
This means that for every 100 litres there are 60 x 100, i.e. 6,000 grams of hardness.
6.000/400 = 15 m³, i.e., 15,000 litres per tank before each resin regeneration.
Maximum 15 x 8 regenerations/day = 120 m³ total filtering capacity of equipment per day.
This gives a maximum production of 5,000 litres per hour.
In each regeneration 180 grams of salt/litre of resin is used, i.e. 100 x 180 = 18,000 grams of salt per regeneration.
Flow calculations have been carried out with water with more than 3,000 ppm of TDS and totally softened.
The osmosis production unit comprises the following elements:
Microfiltration with 10"" vessels and 5-micra and 1-micron disposable candles, 8 bar maximum working pressure.
Mains water (installation highly recommended, not included in this offer).This supply unit is only installed when a mains water storage tank is fitted.
Softened water (depending on consumption): This supply unit will only be installed when a softened water storage tank is fitted.
Osmosis water: This unit should always be installed since osmosis water production is below consumption demand.
Tanks: Tank capacities will adapt to the needs of each installation. Tank models and shapes will suit customers’ requirements.