10
MAINTENANCE
Cartridges/Tank
Refer to Section B in the Owner's Manual portion of this guide for a suggested replacement schedule.
CartridgeReplacement
1.Close the feed water
2.Close the tank
3.Open the R/O dispensing faucet.
4.Pull the manifold unit from the installed location.
5.Remove the retaining clip at the front of the unit. Pull the cartridge off the manifold evenly at top and bottom. Dispose of used cartridge.
6.Install the new cartridge, rocking gently from side to side as necessary until the cartridge tubes are properly engaged in the manifold connectors. Install the retaining clip, ensuring the slide locks snap into place in the slots. If the clip does not snap easily into place through the slots it means the cartridge is not fully inserted into the connectors. Press top or bottom of cartridge to engage connectors until it snaps into place properly.
7.Turn on feed water
8.Turn on tank
9.Close dispensing faucet after water stops running.
10.If replaced cartridge was a post carbon or a membrane filter, the system should be flushed at least once as described above under Section 9.
TankSanitizing
Tank sanitizing should be done every twelve months as part of the regular system maintenance program through an authorized Sierra dealer. This procedure will take approximately 30 min- utes. As a safety precaution, always wear protective eyegear, mix chemicals in a
1.Measure 3¼ ounces Oxine Concentrate for each gallon of tank capacity. Pour into a plastic container.
2.Add 10 grams of
3.Pour activated solution into tank. Fill tank completely with potable water. Bleed air from lines. Let stand for 10 minutes.
4.Drain tank and lines. Flush thoroughly using potable water.
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