8.5 Sanitising the water system
Required tools:
Disinfection set in the suitcase [00342230]
Disinfectants Huwa-San Med2, 5litres canister [00310550]
Sanitisation reduces the bacterial count in water pipe systems (ice maker, water dis-
penser) improving the water taste as a result.
1. Prepare the appliance:
1. Remove water inlet hose of appliance at water tap.
2. Replace internal water filter with filter bypass.
3. Remove external water filter.
4. Connect hoses with existing coupling.
2. Prepare sanitisation solution:
1. Pour 5 L of sanitisation solution into the pressure tank of the garden pump and
close the lid.
2. Connect the hose of the garden pump to the water inlet hose of the appliance.
3. Increase the pressure of the garden pump to max. 5 bar and open tap.
3. Fill pipework of water dispenser with sanitising solution:
1. Remove 3 L of liquid from water dispenser into measuring beaker and discard.
2. Disconnect the appliance from the power supply.
4. Rinse the pipework of the water dispenser:
1. Connect the mains plug of the appliance.
2. Remove 5 L of liquid from water dispenser into measuring beaker and discard.
3. Remove filter bypass.
4. Insert a new water filter.
5. Fill ice maker pipe system with sanitisation solution:
1. Remove the ice container and empty it.
2. Remove the ice maker.
3. Attach the hose to the water inlet pipe of the ice maker.
4. Position the measuring beaker and place the hose in it.
5. Increase the pressure in the garden pump to max. 5 bar again.
6. Remove the rear cover of the machine room.
7. Connect the protective conductor of the mains cable to the protective con-
ductor terminal of the appliance.
8. Connect the mains cable to the solenoid valve for the ice maker and, if applic-
able, to the safety valve as well.
9. Plug the current-operated circuit breaker into the socket ("Off" position).
10. Connect the current-operated circuit breaker with the powerstrip.
11. Plug the mains cable into the powerstrip.
12. By switching the powerstrip on and off, activate the magnetic valve until 1 L of
liquid has poured into the measuring beaker.
13. Discard the liquid.
6. Rinse the ice maker pipe system:
1. Allow sanitising solution to take effect for 30 minutes.
2. Close tap on hose of garden pump.
3. Connect water inlet hose of appliance to water tap.
4. Position the measuring beaker in the ice maker compartment.
5. Insert the hose into the measuring beaker.
6. By switching the powerstrip on and off, activate the magnetic valve until 5 L of
liquid have poured into the measuring beaker.
7. Discard the liquid.
8. Unplug the current-operated circuit breaker.
9. Unplug the mains cable from the powerstrip.
10. Check the tightness.
11. Install the appliance.
7. Follow-up work for sanitisation set:
1. Empty the garden pump.
2. Clean all parts.
3. Dry all parts.
8. Advise customer:
1. Throw away any ice produced in the next 24 hours.
2. Draw fresh water regularly.
3. Do not switch off the appliance for longer than 24 hours.
Repair
2020-08-03_58300000002379_ara_en_p Copyright by BSH Hausgeräte GmbH Page68of73
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