Chemtrac Systems, Inc.
Page 18
y Connect an appropriate length ¼’’ semi-rigid Teflon tubing between the
“Chemical Rinse” PUMP OUTLET quick connect fitting on the SMM and the and
the Dura-Trac II chemical injection port.
The SMM has a drain port on the bottom of the unit. If the drain port needs to be
extended, connect an appropriate length of ¼’’ semi-rigid Teflon tubing between the
SMM Drain quick-connect fitting to the nearest drain.
During the automatic flush/cleaning cycle, the chemical pump injects a cleaning solution
into the sensor. This cleaning solution prevents the buildup of fouling agents, which can
overtime affect the sensitivity and response of the instrument. Periodic checks of the
chemical carboy should be made to ensure the chemical storage tank is at least 1/4 full.
CAUTIONS
R Acid concentration shall not exceed 15% concentration.
PINCH VALVE
25 PSI
CHECK
VALVE
DURA-TRAC II
PATENTED MADE IN U.S.A.
TM
CARBOY
TANK
DURA-TRAC II
SENSOR
SENSOR
MAINTENANCE
MODULE
(SMM)
CHEMTRAC
SYSTEMS, INC.
FIGURE 11. SMM Tubing Connections to Dura-Trac II Sensor
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