3
42445 Avenida Alvarado, Temecula, CA 92590
(800) 451-9343, www.nimbuswater.com
Congratulations on your purchase of the Nimbus Sierra reverse osmosis system. When properly maintained, this system will
provide you with years of trouble-free service. The next sections contain important information on proper care and mainte-
nance. Please take a few minutes to read through this information.
The cartridges in this system must be replaced on a regular basis to maintain efficiency and to ensure high water quality.
These cartridges work together and must be replaced every 6-12 months. Any significant change in performance of the
system should be investigated promptly to avoid secondary damage or deterioration to other parts of the system.
CAUTION: Improperly installed systems could result in water damage due to leaks or flooding. Proper installation of this
system requires familiarity with standard sink plumbing and proper use of common hand and power tools. If you are not
familiar with standard sink plumbing and proper use of common hand and power tools or have any difficulty with the
installation of this system, consult a licensed professional, such as a contractor or plumber.
NOTE: This system has been designed for installation by licensed professionals, such as a contractor or plumber.
Introduction To The Sierra
Stage
Description
Cap Color
Replacement
Interval
1 & 2
20 micron sediment
prefilter plus granular
activated carbon.
Green
6-12 months
3
Reverse osmosis membrane
White
12 months
or when TDS
rejection falls
below 85%
4
Granular activated carbon
post-filter
Blue
6-12 months
System Performance
Daily production rate
42.8 L/d (11.3 gpd)
Total Dissolved Solids Reduction
96.4%
Feed Water Requirements
Feed Water
Potable, municipal water
Feed Pressure
40psi - 80psi
Feed temperature
40°F to 100°F
Total dissolved solids
2,000 mg/L max
Chlorine
<1.0 mg/L max.
pH
4-8
Turbidity
<1.0 NTU
SDI
<5
Iron, Manganese, Hydrogen Sulfide
0 ppm
Do not use with water that is microbiologically unsafe or of unknown quality without adequate
disinfection before or after the system.