Filling Procedure - Thermo Scientific E-pure 1090 Series User Manual

Initial Operation
(continued)

Filling Procedure

Thermo Scientific
Note An extra set of head-to-canister O-rings are supplied. These can be
used to replace any O-rings that may have been damaged or deformed in
shipment.
Caution Do not run the pump dry; dry running will damage the pump.
Always make sure you have an adequate volume of feedwater.
Warning Depressurize the system prior to attempting to remove the
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canisters.
Note The correct sequence of cartridges is important in producing the
desired quality of water.
After every cartridge exchange, some air will be trapped in the system. Air
should be purged before routine use, by the following procedure.
Caution Do not run the pump dry; dry running will damage the pump.
Always make sure you have an adequate volume of feedwater.
Caution Do not tighten filter with a wrench. Tight connections can be
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made by hand.
1. Place a container or suitable drain under the draw-off block.
2. Open all inlet valves slowly and the draw-off valve (handle in vertical
position).
3. Plug the unit into the electrical service.
4. Place Power Switch to the "ON" position.
5. When there is a steady flow from the draw-off valve, close draw-off
valve.
6. Check all fittings for leaks and tighten as necessary.
7. Install the final filter into the draw-off valve as follows:
a. Tape 11/2 - 2 turns PTFE tape around threaded portion of filter.
b. Carefully screw final filter into draw-off valve. Hold drawoff valve
to prevent it from turning.
Section 6
Operation
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E-pure® Water Purification 6-3