23
DRISTEEM RO 200 SYSTEM WATER TREATMENT SYSTEMS INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
MAINTENANCE
ORGANIC CLEANING CARTRIDGE
The organic cleaning cartridge is for removal of organics/fouling.
CLEANING PROCEDURE
1. Put the system into 'Standby' mode and shutdown the RO system.
2. Disconnect permeate line and divert permeate to drain during cleaning.
3. Remove the sediment filter from the filter housing.
4. Replace the sediment filter with the cleaning cartridge and assemble into
the filter housing.
5. Turn the system ON. After 30-40 seconds, shut down the RO system.
OPTIONAL: Instead of time, use one of the following criteria:
a. Run the system until the pH of the concentrate is almost the same as the
cleaning solution (pH=10-12)
b. Permeate rate for the system drops to a very low value.
6. Let the membrane(s) soak in the cleaning solution overnight.
7. Remove the empty cleaning cartridge and replace it with the original filter.
8. Restart the system. Direct the permeate to drain for five minutes.
9. Go back to normal operations.
Maintenance continued
FIGURE 23-1: 10 INCH ORGANIC
CLEANING CARTRIDGE
DriSteem replacement part
• 2.5" x 10" - (part number: 550045-501)
CAUTION
Handle all chemicals with care. Wear
protective clothing and eye protection.
CAUTION
The system must be fl ushed thoroughly
between acid and alkaline cleaning.