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CAUTION
Ensure that the PLC “run/stop” mode selection switch remains in the “run” position at all times
– except during reprogramming. Failure to do so will halt the timed operation of the RO Filter
System and will damage its membrane by fouling.
RO System Specifications :
Clean water flow capacity: 73 gpd (192ml/min) at 50 psig, 70
°
F, 150 TDS raw feed water.
94 gpd (247ml/min) at 90 psig, 70
°
F, 150 TDS raw feed water.
Effect of water temperature of on clean water production: 1.8% flow change for every degree of temperature change
above (+) or below (-) 70
°
F rating.
Effect of water pressure on clean water production: 1.7% flow change for every psig of pressure change above (+)
or below (-) a known (e.g., 90 psi or 50 psi) rating.
Raw water-to-clean water flow ration: System utilized 3.5 gal of raw water to discharge 1 gal of treated water.
Working pressure:
40 to 100 psig.
Working temperature:
40
°
F to 104
°
F.
Holding tank capacity:
(5 gal model) holds 3.0 gal @ 10 psig membrane air pressure, 90 psig feed.
(5 gal model) holds 2.5 gal @ 10 psig membrane air pressure, 50 psig feed.
(7 gal model) holds 7.0 gal @ 10 psig membrane air pressure, 90 psig feed.
(7 gal model) holds 6.0 gal @ 10 psig membrane air pressure, 50 psig feed.
Holding tank evacuation time:
3.5 minutes when filled with 90 psig feed.
2.5 minutes when filled with 50 psig feed.
RO membrane design:
spiral wound TFA
Sediment prefilter: 5-micron element, spun PPE w/o end caps, typical 4 psid loss clean at full flow.
Carbon prefilter: 10-micron charcoal element, PPE wrap/netting, w/end caps, typical 1 psid loss clean at full flow.
Rejection levels of various water-soluble compounds:
Calcium
96-98%
Copper
98-99%
Hardness
95-98%
Manganese
98-99%
Iron
95-98%
Lead
96-98%
Silica
85-90%
Sodium
87-98%
Sulfate
98-99%
Incoming raw water allowable contaminant concentrations:
Total Dissolved Solids (TDS):
1800 ppm
Iron
0.4 ppm
Hardness (non-carbonate)
293 ppm
Hydrogen Sulfide
.05 ppm
Manganese
.1 ppm
Silica
100 ppm
Turbidity
20 FTU
pH
6.5 to 8.5
Summary of Contents for PUREAIR EWC99C
Page 7: ...13 11 607 Page 2 Figure 1 2 PACKAGE ILLUSTRATION 307EWC797 B Ref Drawing...
Page 8: ...13 11 607 Page 3 Figure 1 3 AIR WATER SCHEMATIC 308EWC797 F Ref Drawing...
Page 25: ...13 11 607 Page 20 Figure 4 2 FLOW CHART FOR SETUP PROGRAMMING 300EWC1255 Ref Drawing...
Page 38: ...13 11 607 Page 33 Figure 4 4 WIRING DIAGRAM FULL VOLTAGE 305EWC546 B Ref Drawing Page 1 of 2...
Page 39: ...13 11 607 Page 34 305EWC546 B Ref Drawing Page 2 of 2...
Page 41: ...13 11 607 Page 36 306EWC546 B Ref Drawing Page 2 of 2...
