MODEL F71B/F71G/F67C/F67G/N75A/N75B
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3.5. Trial running
After installing the multi-functional flow control valve on the tank with
the connected pipes, as well as setting up the relevant parameter, please
conduct the trail running as follows:
A. Close the inlet valve B & C, and open the bypass valve A. After
cleaning the foreign materials in the pipe, close the bypass valve A. (As
Figure 1-2 shows)
B. Press and go in the Backwash position; when light on,
slowly open the inlet valve B to 1/4 position, making the water flow into
the resin tank; you can hear the sound of air-out from the drain pipeline.
After all air is out of pipeline, then open inlet valve B completely and
clean the foreign materials in the tank until the outlet water is clean. It will
take 8～10 minutes to finish the whole process.
C. Press , turning the position from Backwash to Fast Rinse;
light on and start to fast rinse. It will take 10～15 minutes to finish the
whole process.
D. After finishing fast rinse, take out some outlet water for testing: if the
water reaches the requirement, press to finish the fast rinse; Then
the control valve return to Service Status; light on and start to
running.
Illustration:：
In the process of rinsing, the program will be finished automatically in
accordance with the setting time; pressing the button can end one
step in advance and proceed to the next step.
Note:
If water inflow too fast, the media in tank will be damaged. When water
inflow slowly, there is a sound of air emptying from drain pipeline.
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