INSTALLATION AND OPERATION GUIDELINES FOR REVERSE OSMOSIS SYSTEMS ECOSOFT ROBUST MINI,
ROBUST 1500, ROBUST PRO, ROBUST COFFEE, ROBUST 3000, ROBUST 3000MAX, ROBUST 4000
Low pressure
switch
Water
Sediment
Carbon
inlet 3/8"
filter
filter
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Afterfilter pressure
Inlet solenoid
gauge
valve
Figure 8. RObust 4000 (Code: ROBUST4000)
Booster
pump
RO element
Drain
Flow
outlet 1/4"
restrictor
Operating pressure
gauge
Tank
Permeat
outlet 1/2"
High pressure
switch
11