Water Quality; Supply Water Quality Requirements; Water Quality After Filter - Ecosoft CROSS 90 Installer And User Manual

INSTALLER AND USER GUIDE FOR CROSS 90 DIRECT FLOW REVERSE OSMOSIS FILTER
2. SPECIFICATIONS AND COMPONENTS

2.2 WATER QUALITY

2.2.1 SUPPLY WATER QUALITY REQUIREMENTS*

№ Index
1 pH
2 TDS
3 Hardness
4 Free chlorine
5 Iron
Do not use with water that is microbiologically unsafe or of unknown quality without adequate
disinfection before or after the system.
* If water supply does not meet the requirements, service life of membrane and/or pre-filter
cartridges may be shortened.
** If your home is supplied with raw well water, perform laboratory test of your water before
in- stalling a reverse osmosis filter. If any of your water indices exceed the limit, consider using a
water treatment system to correct supply water quality. Refer to water treatment specialists or
companies for advice and proper equipment selection.

2.2.2 WATER QUALITY AFTER FILTER*

№ Index
1 pH
2 TDS
3 Calcium
4 Magnesium
5 Sodium + Potassium
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Value**
6.5-8.5
<1500 ppm
<500 ppm CaCO
3
(<28 °dH)
<0.5 ppm
<0.3 ppm
Value
5.5-6.5
5-15 ppm
<2 ppm
<1 ppm
<5 ppm
№ Index
6 Manganese
Chemical oxygen
7
demand
Total bacterial count
8
(TBC)
9 E. coli titer
* Values are determined under the following
conditions: temperature of supply water is
25 °C, supply water quality and operation
conditions correspond to manufacturer's
requirements.
5
Value**
<0.1 ppm
<5 ppm O
2
<50 CFU/mL
<3