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Operation
Note
Pretreatment feedwater-flow rate to be
adjusted so as to "just maintain a full
boiler." Too fast a flow water will
exhaust pretreatment cartridges pre-
maturely.
Caution
The Flow Control valve is a precision
needle valve designed to give stable
flow control at low flow rates. Never
use this vale to shut off water to the
system. If clogging occurs in this valve,
we recommend the Barnstead Part No.
D5839 filter housing with a Part No.
440087 prefilter to remove particulate
matter prior to the deionizer.
16
1.
Turn WATER SUPPLY valve to "off" and DRAIN
valve to "closed".
2.
Plug power cord into a grounded 110/120V
receptacle. Place OPERATION MODE SWITCH
to the "purge" position. BOTH PURITY LIGHTS
will be on at this time.
3.
Open the customer shut-off valve and turn the
WATER SUPPLY valve to "on".
4.
Turn the FLOW CONTROL 2-3 turns counter-
clockwise and allow the system to run. Discard
the first 3-4 liters of treated water.
5.
Turn the MODE SWITCH to "normal." The
"RED" light will go to very dim condition and the
"GREEN" light will remain lit indicating water
purity greater than 50K ohm-cm. When the
water purity has slipped to below 50K ohm-cm,
the "RED" light will be bright. Turn WATER SUP-
PLY valve to "off". Check system for leaks.
System is now ready for use.
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