ELGA
PURELAB Classic
Operator Manual
PURELAB Classic
Version 2 11/15
Page 25
Step 8 - Normal Operation
Once product water quality is of a suitable standard it can be
used, although it will usually require intermittent recirculation
overnight to achieve peak quality.
5.7 POU Filter Installation (LC134)
– Optional Accessory
The POU filter is necessary with the
PURELAB Classic
DI
and
Classic UV
if they are required to meet the specification for
particles and bacteria.
The remainders of the range all incorporate internal filtration
and do not require a POU filter to achieve specification when
operated as described in this manual. However, a POU may be
used to achieve additional laboratory-specific application
requirements.
Step 1 - POU Filter Installation
1. LOCATE the fixed dispense point and UNSCREW the
nozzle.
2. ENSURE 'O' ring seal is still properly located.
Step 2 - Replace POU Filter
1. REMOVE new filter from its packaging.
2. SCREW filter hand tight into the fixed dispenser until
resistance against the 'O' ring seal is felt.
CAUTION!
Do not over-tighten.
3. PUSH clear bell cover supplied with the filter onto the
outlet of filter.
Step 3 - Bleed POU Filter
1. SWITCH on the
PURELAB Classic
.
2. PRESS PROCESS
button.
3. PLACE a beaker under the dispenser.
4. PRESS Dispense Controller button.
5. SLACKEN the top air bleed valve until water pours from
the bleed valve then close.
6. DISPENSE at full flow for about 5 minutes.
7. DISCARD water.
Normal Operation Screen
Dispense Point
Point-of-use filter
Location of POU Filter
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