MEMBRANE CLEANING PROCEDURE
The ECHO Tec. Watermaker must be chemically cleaned when the product water output drops by 15%
of the specified amount. The frequency of this occurring will vary greatly depending upon feed water.
Fouling of the membrane will naturally occur during normal usage of the ECHO Tec. Watermaker.
Increased amounts of fouling without proper cleaning of the membrane will reduce the performance of
your water maker. A drop in production of approximately 10% is normal and expected during the first
year.
Please note that high salinity (over 500 TDS ppm) caused by biological growth, contact with
chlorinated water or other chemicals or the age of the membrane cannot be regenerated.
CAUTION: The use of chemicals or cleaning methods other than those outlined in the cleaning
instructions will void the ECHO Tec. warranty. Nonionic surfactants for membrane cleaning or
other chemicals not approved in writing by Echo Marine Ltd. will void the element warranty.
CAUTION: Cleaning chemical #1 is an alkaline detergent. See warning label on side of the
container and observe all safety precautions on label.
CAUTION: Cleaning chemical #2 is an acid, a mineral scale remover. See warning label on side
of container and observe all safety precautions on label.
CAUTION: Do not mix different cleaning chemicals together. Do not use different cleaning
chemicals together at the same time. Mix the cleaning chemicals separately and use them
separately.
Note:
All cleaning and preserving procedures can be done with either seawater or non-chlorinated
freshwater. However, the cleaning process is more effective using non-chlorinated freshwater.
To clean the ECHO Tec. reverse osmosis membrane mix a solution of 1.5 to 2% by weight with warm
non-chlorinated water (113° F / 45° C) in a clean plastic container.
Use 10ltr. / 2.5gal (with 200g / 2/3 container cleaning agent) for one 40” membrane and 4ltr/1gal (with
40g cleaning agent) for every additional membrane.
For safety reasons we do not recommend to install a 3 way re-circulating valve. Disconnect the intake
and reject water hose and lead them in the plastic container. Re-circulate the solution
without pressure
for up to 60 min. There will be no flow at the fresh water outlet.
CAUTION: Observe the maximum operating temperature of 113° F / 45° C. The high pressure
pump might over heat the solution on re-circulating.
It is important that the fresh water, remaining from the last flush is dumped (about 4 ltr. /1gal. per
membrane) before the reject hose is led in the cleaning bucket for re-circulation. This will avoid that
fresh water dilutes the cleaning solution.
Use cleaning chemical #1 first. If the performance does not improve use the acid cleaner #2 at the same
ratio and instruction.
Содержание Watermakers 200-BMS-1
Страница 17: ......