Kenmore 625.347001 owner manual Reverse Osmosis System Care Guide

-- CARE OF YOUR REVERSE OSMOSIS SYSTEM --

REVERSE OSMOSIS SYSTEM CARE GUIDE

MODEL NO. 625.347001

1.AT LEAST every 6 months, replace the prefilter and postfilter cartridges. Clean or replace the flow control and screen.

2.Replace the RO membrane cartridge when the percent rejection of total dissolved solids (TDS) is less than shown in the specifications (see B, below).

If any of the following occur before the 6 months, replace as directed.

A. Slow Making of Product Water: Replace the prefilter cartridge.	C. Chlorine Taste and/or Odor: Replace the prefilter, postfilter and
If the production rate does not improve, replace the postfilter car-	RO membrane cartridges.
tridge and RO membrane cartridge.
B. High Total Dissolved Solids (TDS) in Product Water: You can
get a free TDS test through some Sears retail stores or service
departments. If the store or service department does not have a
TDS meter, you can send treated and untreated water samples to
a water analysis lab for testing. It is important to test both the
treated and untreated water to determine system performance. If
the TDS is not within the system’s performance guidelines,
replace the prefilter, postfilter and RO membrane cartridges.

OTHER TROUBLESHOOTING

PROBLEM			CAUSE	CORRECTION
Chlorine	taste	and/or	The ppm of chlorine in your water supply	If the water supply containsmore than 2.0 ppm of chlorine, addi-
odor in the RO product			exceeds maximum limits, and has de-	tional filtering of the water supply to the RO is needed. Correct
water			stroyed the RO membrane.	this condition before doing maintenance on the RO system.
				Replace the prefilter, postfilter and RO membrane cartridges,
			The prefilter is no longer removing chlo-
			rine from the water supply.	flow control, and screen.
Other taste and/or odor			Postfilter expended.	Replace the postfilter cartridge. If taste and odor persists, re-
				place the prefilter cartridge, RO membrane cartridge, flow con-
			RO membrane cartridge expended.	trol, and screen.
			Contamination in product water storage.	Use sanitizing procedures. Replace the postfilter cartridge.
System makes		product	Water supply to the RO system not within	Increase water pressure, precondition the water, etc., asneeded
water too slowly			specifications.	to conform before doing maintenance on the RO system.
			Prefilter or RO membrane cartridges	Replace the prefilter cartridge. If rate does not increase, replace
			plugged with sediments.	the postfilter cartridge, RO membrane cartridge, flow control,
				and screen.
System	makes	lower	Storage tank air-charge less than 5 --- 7	Open RO faucet and drain tank until flow slows to a drip. Keep
amount of product water			psi.	faucet open and check tank pressure. If low, pressurize to 6 psi.
than usual				Close faucet to refill the tank.
High total dissolved sol-			Water supply to the RO system not within	Increase water pressure, precondition the water, etc., asneeded
ids (TDS) in product wa-			specifications.	to conform before doing maintenance on the RO system.
ter
			RO membrane cartridge expended.	Replace the prefilter, postfilter and RO membrane cartridges,
				flow control, and screen.
Water leaking from fau-			Drain side of faucet airgap (3/8”tubing)	Inspect and eliminate restriction or plug. Refer to installation
cet airgap hole			plugged, restricted, or incorrectly con-	instructions for proper drain connection.
			nected to drain point.
Continual	water	flow to	Check valve or automatic shutoff assem-	Clean, repair or replace as needed.
drain			bly plugged, restricted or parts worn

Note: Sanitizing is recommended after servicing inner parts of the system(see page 9).

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