RO Compact Series Technical Manual
36
Flow Restrictor Maintenance
Two flow restrictors are used with each RO-Compact unit.
These restrictors have a fixed orifice and should be checked at
least four times per year.
Blockage of the flow restrictor will change the operation of the membrane, and may cause
rapid fouling of the system. To perform maintenance on these components use the following
procedure:
1
Identify the reject
and recirculation
plumbing lines
2
Remove the elbow
and the check
valve together
with the drain line
3
Disassemble the
fittings
This will expose
the fixed orifice
flow restrictors.
4
Inspect for
blockage
If an orifice is
blocked, the fitting
must be
unscrewed before
cleaning.
Note: Always check both orifices.
5
Cleaning
Use water, or air pressure. Dilute acid may
also be used should blockage be due to
hardness scaling.
6
Replace the fitting and elbow connectors
RO-Compact 1:
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