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All American RO Systems Support
Sanitizing Filter Change Instructions
1
Turn off the feed water to the system and shut off the ice maker power and water supply valve (if applicable)
2
Turn on the faucet to relieve any pressure on the system and make sure water has stopped flowing out of the faucet
3
Remove the membrane and all the lower vertical sump filters
The post carbon filter can be left in place at this time. Use rubber gloves and store the membrane in water or a Ziploc bag to prevent damage or discard the membrane if it is being replaced.
4
Use the included plastic syringe to collect 5 ml of Sani-System solution from the packet and set aside
Pour the remainder of the packet of Sani-System directly into the sediment filter housing (where the orange inlet feed line attaches). Reattach all filter housings and membrane caps. Do not install the filters at this time. Remove the tube that connects to the storage tank from the RO module and invert it to remove the water from the tube. Inject all of the Sani-System solution from the plastic syringe into the line. Reattach the tank tube. Make sure the RO water faucet is closed and turn on the water supply.
5
Allow the system to fill with water
The time will vary depending on the water pres- sure. However, the system should be full within 5 - 10 minutes without the filters or membrane. Allow the system to rest for 10 minutes. Open the faucet and allow it to drain for 10 minutes after which, close the faucet. Allow the system to fill and rest for another 10 minutes. Open the faucet again and allow the system to flush for another 10 minutes. Shut off the inlet supply and open the faucet to depressurize the system. Remove the sumps and install the filters and membrane.
6
The white fiber-type filter is installed in the cap for the Inlet (sediment) filter sump
Lubricate the O-ring at the top of the sump and the O-rings on the filter with a small amount of silicone. Insert the filter into the sump cap. Install the filter sump, tighten the filter sump hand tight then, using a filter wrench, tighten an additional 1/4 turn. Do not over tighten.
7
The carbon block filters are installed into the next two sumps
The white capped carbon block will go in the middle sump. The green capped (Chloramine) carbon block will go in the last sump. Lubricate the O-ring at the top of each sump and the O-rings on the filters with a small amount of silicone. Insert the filters into the filter housing caps then install the filter sumps. Tighten the filter sumps hand tight then, using the filter wrench, turn an additional 1/4 turn. Do not over tighten.
8
The inline filter is installed on the top of the membrane housing
The fittings in each end of the old post filter must be removed and wrapped with 3-4 layers of 1/2" Teflon tape after having removed the old layer of Teflon tape. When looking at the threaded side of the fitting, wrap clockwise to ensure a proper seal. The tee fitting will screw into the inlet side of the new filter while the elbow fitting will screw into the outlet side. Re-install the tubing and make sure everything is sealed.
9
Turn on the feed water valve and check for leaks
Turn off the valve and correct leaks if any occur.
10
Close the valve on the storage tank and open the faucet until a steady stream of water flows
Water will be flowing to the drain as well. The initial water from the system may be discolored. This is normal.
11
Once there is a steady stream of water coming from the faucet (about 1/8" in diam- eter), close the faucet and wait five minutes to see if any leaks occur through the system
NOTE: It is very important that there is a steady stream (not drips) of water coming from the faucet before it is closed. If not, there could be air trapped in the system and it will not fill the tank properly. This can waste a larger volume of water.
12
If there are no leaks open the storage tank valve and allow the system to fill
Most systems will be full within 2 hours. The system is full when the water to the drain stops. Check for leaks with the system full and repair them accordingly.