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XIV. Care and Maintenance
Cleaning the tank
Note: It has been our experience that with a properly chlorinated system there will be no
sludge build-up in the bottom of the tank and this procedure is unnecessary. However, we
leave the procedure in place in the event that a user does fi nd it necessary to clean the
tank.
The same principal used for determining the time interval of cleaning the fi lter holds true
for the cleaning of the tank. Under normal circumstances, it should be suffi cient to clean
the tank once a year. Initially, we recommend that you inspect and clean the tank every
three months until you have determined the proper cleaning interval.
Procedure:
1.
Unplug the pump power cable and the transformer from the power source.
2.
If a greywater bypass is installed, close the bypass valve to direct any bath drainage
to the sewer during this procedure. IMPORTANT: If a greywater bypass has not
been installed, do not use the bath, shower or laundry while cleaning the tank.
3.
If a potable water bypass is installed, open the bypass valve to provide potable
water service to the toilets during this procedure.
4.
Make sure that the clean-out valve is connected to your sewer pipe, or drains into
an open trapped drain.
5.
Open clean-out valve and empty tank.
6.
Close clean-out valve.
7.
Remove the screw cap for the fi lter housing and remove the fi lter.
8.
Pour a minimum of fi ve litres of household vinegar through the fi lter housing, and
allow to stand in the tank for fi fteen to twenty minutes.
9.
Return the fi lter to the housing, replace fi lter-housing cap. Apply a thin layer of
petroleum jelly to the rubber o-ring on the screw cap to ensure a proper seal.
10.
Plug in the transformer to the power source, but do not plug in the pump cable yet.
Potable water should start fl owing into the tank.
11.
Open the clean-out valve to allow the vinegar to drain as fresh water is added to
the tank. Allow the tank to self-fl ush with potable water for fi ve minutes.
12.
Close clean-out valve, and with the fresh water supply still running, allow the tank
to fi ll until the fl oat valve turns off the fresh water.
13.
Close the fresh water bypass valve, and open the greywater bypass valve, if
applicable.
14.
Plug in the pump power cable.
15.
Replace the tank lid.
After cleaning the tank, fl ush each toilet once to ensure proper function. During the
cleaning process of the tank, do a visual inspection of all fi ttings, connections and the tank
to ensure there are no leaks anywhere.
The overall time required for this procedure is approximately 30 minutes.
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