CLX-Ex (10/11) Page 10
REV 1.5
Be sure that the instrument be mounted as close as possible to the sampling point to ensure a
quick response time (within 2-3 meters (6-10 ft) of the sampling point).
4.2 Plumbing
The instrument is designed to require very little head pressure to operate, but will need
around 0.34 bar (5 PSI). The maximum pressure for proper operation should not exceed
10.3 bar (150 PSI). The maximum allowable fluid temperature is 55°C (131°F).
The fluid waste from drain connection of this instrument contains reagents with large
quantities of sample water. HF scientific recommends that operators check with local
authorities concerning proper disposal of waste diluted fluids. This waste fluid must
NEVER be reintroduced into the incoming water stream.
All plumbing connections are intended to be made through stainless steel connections.
The water sample inlet requires 6 mm OD stainless steel tubing. The fitting is a compression
fitting so the installer need only place the supplied the nut and feral over tubing and tighten.
The water drain requires 12 mm OD stainless steel tubing. This fitting is also a compression
fitting so the installer need only place the supplied the nut and feral over tubing and tighten.
Properly installed and sealed connections are required to ensure the water tightness and
ratings of the instrument.
4.3 Air Supply
This instrument requires water and oil free air, -40
o
F (-40
o
C) Dew Point, Particles <5u, ISA
Grade Hydrocarbon free. The air needs to be provided at between 5.5 and 7 bar (80-101.5
PSI) with a volume of 4 cubic foot/min as measured at 80 PSI. This air supply must be
provided continuously from a known safe area. Min flow is 25 SCFH.
The air connection requires 6 mm stainless steel tubing. A compression type fitting is
supplied on the base of the main enclosure that simply requires the installer to slip the
supplied nut and feral over the tubing and then tighten the nut.
Warning: No direct air connection should be made to the Purge Control X-Purge
Controller.
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