Procedure - Backwash Solution Preparation - ProMinent DULCOMETER PH-501 Assembly And Operating Instructions Manual

7.3.1.1 Procedure – Backwash Solution Preparation
Note: It is recommended that only one membrane module at a time be cleaned
(backwash).
Prepare the backwash solution as follows:
1) If backwash tank TNK-801 is empty:
a. Ensure membrane is enabled and pulling, and turn SV-801 solenoid valves on
hand ("H") until backwash tank is filled with required volume for chemical
backwash (3L per cassette X 20 cassettes per module = 60 L OR approx. 1/4
capacity of TNK-801). Note TNK-801 capacity is 272L.
b. Turn SV-801 series solenoid valves off ("O")
c. Skip to step 3
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