MODEL：F56A/F56B/F56C/N56D/F56E/F56F/F56AC/F56EC
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3.3.Trial Running
Fix the valve on the tank, connect all the pipelines, then do 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 2 shows, the same as below)
B. Switch hand wheel to Backwash position. Slowly open the inlet valve B
to 1/4 position, making the water flow into the tank; After water stopping
flowing, open outlet valve C. You can hear the sound of air-out from the
drain pipeline. After all air is out of pipeline, then close outlet valve (Check
if there is leakage. If it is, solve it immediately.) Open inlet valve B
completely and clean the foreign materials in the resin tank until the outlet
water is clean. It will take 8～10 minutes to finish the whole process.
C. Complete Backwash, switch hand wheel to Fast Rise position start fast
rinse about 10～15minutes.
D. Take some water for testing, and stop fast rinse if qualified. Then
making the control valve return to Service and start to running
Instruction:
If the water is too fast, the media of the tank will be lost, If the water is
slowly, should be able to hear the sound of air slowly discharged from the
drain.
After replace the filter, follow the step B to operate, discharge air in the
filter layer.
In the process of trial run , check the status of water and there should be
no filter leakage
According to the complete equipment supplier's recommendations to
set the residence time in each positions.
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