RSL Bag & Overstrom B3 728 User manual
Bag & Overstrom B3 (
Elite
)
Cleaning Guide
Contact us
www.refreshmentsystems.co.uk
For Service:
service@refreshmentsystems.co.uk
01274 750 008
For Ingredients:
ingredients@refreshmentsystems.co.uk
01226 720 482
This cleaning guide is for
advice only
Please refer to the operative manual for
co mplete safety information and
instruction when considering any
maintenance on the machine.
728 & 798 Models
Sanitisation Guide
Turn off incoming mains water, briefly press dispense button[s] to release internal water pressure from the
machine and remove filter. If possible temporarily shut off inlet to any hot tank as sanitisation of a hot tank in
continuous use is unnecessary.
Add 100 ml of a proprietary sanitisation fluid to a clean and empty service filter cartridge/dosing device and connect
into machine. Always ensure to use a reputable branded sanitisation fluid for effective action.
Please note: We recommend using a 3% Hydrogen Peroxide concentration base sanitising fluid of reputable
manufacture to the appropriate dilution ratios as supplied with the product or typically 1 :30 max. [Stronger
concentrations will require larger dilution rates].
Please remember that most sanitisation fluids [including ozone] contain an active caustic/alkaline agent. Always
use responsibly and with care remembering that due to its alkaline nature unnecessary concentrated/prolonged
contact with any materials, including metals, can cause damage. Always rinse all contact surfaces after use with
clean water.
Turn on incoming water, allow service cartridge/doser to fill and then draw off at least 1 litre of water for the
machine to ingest the solution. Leave solution for 10 minutes inside machine for sanitisation to take effect. During
this time thoroughly clean the machine externally. For this we recommend the use of proprietary disposable
sanitisation wipes. Pay particular attention to the dispense faucet and the push button controls. Remember to
include the drip tray. If a Waste Overflow System is fitted, this may benefit from flushing through with a small
amount of dilute sanitisation fluid. Optionally you may replace the dispense faucet and/or descale it.
After a satisfactory period of time, flush the machine with at least 10 litres of clean water to clear any trace of the
sanitisation fluid. Optionally use test strips to check.
Turn off water and remove the service filter/doser and fit a new filter of reputable quality and suited to the site
conditions. We recommend pre-flushing the new filter to reduce any risk of any loose media in the filter entering
the solenoid valves and possibly causing a malfunction. Retain the service cartridge/doser for reuse.
Turn on incoming water supply and carefully ensure the thorough sanitising of the outside of the machine is
completed. Reconnect power and reset any service/filter life monitors accordingly. Ensure any hot tank inlet is
reconnected and the tank is purged of air before switching heater on again.
18
728 & 798 Models
Sanitisation Guide
19
728 & 798 Models
Descaling Guide
Reservoir Model
Scale deposits will occur whenever water is heated. Higher deposits will occur with harder water and higher
temperatures. Although scale deposits can be reduced through using softened water this is not necessarily
desirable due to the adverse effect on taste. Therefore, it is important that descaling is carried out regularly to
maintain the high efficiency of operation of your appliance.
The frequency of descaling depends on the hardness of the water and the intensity of usage in each case. At least
every 12 months is highly recommended. Although it is primarily the Hot Tank [Water Heater] that requires
descaling, it is also necessary to sometimes carry out some in the cold tank.
Please note: Descaling is to remove the inevitable build up of limescale and should not be
confused with sanitisation, which is a different procedure for maintaining the necessary
hygiene standards for drinking water.
1. Switch off the power and water supply. Drain off water, including Hot Tank. It may be beneficial at this stage to
flush through the hot tank with clean water to remove as much loose scale as possible if the tank appears
particularly scaled up.
2. Carefully fill a suitable pouring jug with approx 2 ½ litres of hot water and add the correct amount of descaler
relevant to the enclosed instructions for safe and effective use.
3. Remove the Top Cover from the appliance [and the lid covering the cold tank on later models].
Carefully remove the Float Valve and Baffle Plate from the Cold Tank.
4. Slowly pour the descaling solution into the Cold Tank. This will drain directly into the Hot Tank. Continue to add
the solution until it also just begins to fill the Cold Tank too. Leave the solution to react with the limescale as
directed.
5. Should limescale be present in Cold Tank, carefully treat the areas concerned using the same solution. Also,
treat any removed parts such as the Float Valve, after checking the directions for use for compatibility. Similarly,
if the outlet dispense valves need treatment, dispense a little solution to draw it into the dispense valves.
Examine the small black rubber water stop seal on the Float Valve for any damage or wear and replace if
necessary. DO NOT ROTATE THE SEAL IF IT IS NOT BEING REPLACED AS THIS COULD AFFECT ITS WATER
SEAL SEATING AND ALLOW SEEPAGE.
6. After an appropriate time, carefully scrub any surface scale to remove it taking care not to damage the part. If
scrubbing of the inside of the dispense valves is required, remove the Front Panel of the appliance and carefully
dismantle the dispense valves by unscrewing the ring under the lever and then drawing the lever mechanism
upwards out of the body. N.B. Before removing the dispense valves, drain off any remaining solution in the
cold tank.
7. Reassemble any removed parts as necessary and flush appliance through thoroughly with mains water as
directed [Carry out sanitisation procedure at this point if desired].
8. Finally, allow appliance to refill, check for any leaks and switch on power supply.
20
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