Cuno SQC Pro Benutzerhandbuch

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4)
Fill the sanitizing device with the following recommended 
dosage of common household bleach:
A standard 2.5 gallon tank - 1/2 teaspoon (3 ml)
• Alternate size tanks - 1/2 teaspoon (3 ml) per 2.5 gallons 
of tank capacity
5)
Open the feedwater tapping valve to force water and 
sanitizer into the storage tank. Allow about three (3) 
minutes to fill a standard 2.5 gallon tank.  It should feel 
heavy when it is full.
6)
The sanitizing agent should remain in the storage tank a 
minimum of 15 minutes.  Close the feedwater tapping valve 
and the storage tank valve.  Disconnect the sanitizing 
device from the storage tank and feedwater tapping valve.  
Reinstall the storage tank and reconnect the 1/4" orange 
feedwater tubing and the 3/8" yellow tubing.
7)
Open the feedwater tapping valve to pressurize the system. 
Plug in the transformer. Open the tank valve and lift up on 
the faucet handle to drain the storage tank of the sanitizing 
solution.  When the storage tank is empty, the faucet should 
drip steadily.
8)
Shut off the faucet and allow the storage tank to fill for at 
least six (6) hours.  Drain the storage tank again and discard 
the water.  The appliance should be ready to use as soon as 
the tank refills.  If any objectionable taste is noticed, then 
drain the storage tank again and allow it to refill.
How to Sanitize the Purification Assembly
Sanitizing the Purification Assembly generally requires:
A new prefilter cartridge
Common household bleach (5.25% non-scented)
A standard eyedropper or equivalent
1)
Close the feedwater tapping valve and lift up on the faucet 
handle to empty the storage tank.
2)
Follow the instructions on changing the prefilter cartridge.
3)
Before installing the new cartridge, use and eyedropper to 
inject one teaspoonful (approximately 5 ml) of household 
bleach into the center opening of the filter cartridge.  The 
prefilter is located just before the RO membrane cartridge.  
(See Fig. 9)
4)
Open the feedwater tapping valve and allow the appliance 
to operate for at least six hours.  Drain the storage tank 
and discard the water.  The appliance should be ready to 
use as soon as the storage tank refills.  If any 
objectionable taste is noticed, then drain the storage tank 
again and allow it to refill.
E. LONG TERM NON-USE
If the RO appliance is to be left unused for a long period of
time (greater than 30 days), follow this procedure:
1)
Lift up on the faucet handle to drain the storage tank and 
close the feedwater tapping valve.  Wait five minutes for 
the purification assembly to depressurize.
2)
Remove all of the filter cartridges.  Turn the cartridges 
upside down in the sink to drain out as much water from 
them as possible.
3)
Place the cartridges in an air tight plastic bag and store 
them in the refrigerator.  
Important:  The cartridges must 
be not be allowed to freeze because permanent 
damage may occur.
4)
When the RO appliance is ready to be put back into 
service, reinstall the filter cartridges by matching the 
symbols on the top of the cartridge labels with the ones on 
the purification assembly heads.  Sanitize the storage tank 
as described in the previous section.  The purification 
assembly can be sanitized at this time if so desired.
5)
Follow the start up procedure outlined in the previous section.
Fig. 8
14
Fig. 9