-3-
Installation
1
■
CIose the inlet valve, release the pressure in pipes.
■
InstaII the pre-filter as the figure indicated above.
■
When installing, make sure to observe the correct direction of flow. An arrow on
the brass head indicates the direction of flow.
■
InstaII the filter with main axis in vertical position.
2
■
Pre-filter must be installed by a qualified person. Check to
ensure the accessories are complete before installation.
■
Special welding machine is required if the PPR pipe line
are used for plumbing, ensure the pipes are welding
securely.
■
Extra pipe lines are required if metal pipe line are used for
plumbing, please follow the local plumbing codes.
■
Do not install the pre-filter outdoors, which are exposed
to UV radiation(sunlight), heat, oil or various chemicals.
■
Use enough thread tape and make sure it is winding
evenly.
■
Make sure the other parts are not rotating when you
tighten the thread nut.
■
After the plumbing work is done, check it thoroughly to
make sure if there is any leakage.
Start Up and Service
1.
It is required to flush the pre-filter after installation.
2.
Before flushing the pre-filter, ensure the drain pipe is connected to drain or it is fine to get
one suitable container to gather the drain water.
3.
Rotate the bottom part clockwise for 3 to 4 circles to discharge the large particles off
outfall. Then rotate the bottom part anti-clockwise for 3 to 4 circles to effectively clean
the filter screen and filter housing.
4.
According to different water quality, it is required to flush the pre-filter once per month at
least and flush pre-filter for more than 30 seconds.
5.
As the pre-filter is continuously used for 8
~
12 months, the filter screen may require to be
dismantled and clean. (This should be done by a qualified person)
Inlet Valve
Water Meter
Connection
Pipes
Pre-Filter
3-Way Connection
Winding the
Sealing Tape
