GE Osmonics E4H Series Bedienungsanleitung

E4H SERIES

WATER PURIFICATION MACHINES

OPERATION AND

MAINTENANCE MANUAL

OPERATION AND MAINTENANCE MANUAL

FOR GE OSMONICS

E4H SERIES

WATER PURIFICATION MACHINES

TABLE OF CONTENTS

Page

1.0 DESCRIPTION ......................................................................................................... 1

1.1 General Information and Principles of Operation ......................................... 1

1.2 Machine Nomenclature.................................................................................. 4

1.3 Machine Permeate Quality ............................................................................ 5

1.4 Economy and Deluxe Model Options ........................................................... 5

1.4.1 Economy Model................................................................................. 5

1.4.2 Deluxe Model Options....................................................................... 6

1.5 Specifications for E-Series Machines............................................................ 7

1.5.1 Feed Water Requirements .................................................................. 7

1.5.2 Permeate (Product Water) Flow Rate ................................................ 7

1.5.3 Concentrate Flow Rate ...................................................................... 8

1.5.4 Typical Pure Water............................................................................. 8

1.5.5 Final Operating Pressure.................................................................... 8

1.5.6 Pump .................................................................................................. 8

1.5.7 Reverse Osmosis Membrane Element Rejection .............................. 8

2.0 INSTALLATION ....................................................................................................... 10

2.1 Mounting........................................................................................................ 10

2.2 Piping ............................................................................................................. 10

2.2.1 Inlet Piping .............................................................................................. 10

2.2.2 Valves Required for Clean-In-Place ........................................................ 10

2.2.3 Concentrate Outlet Connection ............................................................... 10

2.2.4 Permeate Outlet Connection.................................................................... 10

2.3 Electrical ........................................................................................................ 10

2.3.1 Economy Electrical System............................................................... 11

2.3.2 Deluxe Electrical System................................................................... 11

Page

3.0 PREPARATION AND START-UP ............................................................................ 12

3.1 Pretreatment for Water Purification............................................................... 12

3.2 Start-Up.......................................................................................................... 12

4.0 OPERATION AND MAINTENANCE ..................................................................... 18

4.1 Daily Log Sheets............................................................................................ 18

4.2 Pre-Filter Cartridge ........................................................................................ 18

4.3 Flushing ......................................................................................................... 19

4.4 Cleaning ......................................................................................................... 19

4.5 Draining Machine for Shipment .................................................................... 21

4.6 Membrane Element Installation..................................................................... 22

4.7 Membrane Element Replacement.................................................................. 23

5.0 OPTIONAL ACCESSORIES.................................................................................... 25

5.1 Level Controls................................................................................................ 25

5.2 Filters and Water Softeners............................................................................ 25

5.3 Storage Tanks................................................................................................. 25

6.0 TROUBLESHOOTING............................................................................................. 26

7.0 RETURN GOODS AUTHORIZATION (RGA) PROCEDURE .............................. 31

8.0 WARRANTY............................................................................................................. 32

9.0 START-UP DATA SHEET......................................................................................... 34

10. DAILY LOG SHEET................................................................................................. 36

Page

LIST OF FIGURES

1 Normal Versus Cross Flow Filtration .................................... 1

2 Membrane Element with Interconnectors.............................. 2

3 Cross Sectional View of Membrane Element........................ 2

4 Principles of Operation .......................................................... 3

LIST OF TABLES

1.1 Feed Water Requirements ...................................................... 7

1.2 Typical Membrane Element Rejections/Passages.................. 9

3.3 Machine Recovery ................................................................. 16

4.4 Dry Chemical Cleaners .......................................................... 20

1.0 DESCRIPTION

1.1 General Information and Principles of Operation

Your E-Series reverse osmosis (RO) machine is a durable piece of equipment which, with

proper care, will last for many years. These instructions give operating and maintenance

details vital to the sustained performance of the machine.

Reverse osmosis is the separation of one component of a solution from another component by

means of pressures exerted on a semipermeable membrane element. Removal of ionic, organ-

ic and suspended / dissolved impurities occurs during the RO process. Unlike a filter, which

separates by “normal” filtration, the General Electric (GE) Osmonics membrane element sep-

arates using a process called cross flow filtration. Feed water solution is separated into two

streams, permeate and concentrate, and collected from both sides of the membrane element. A

semipermeable RO membrane element, under sufficient pressure, allows passage of purified

water while rejecting and concentrating dissolved and suspended solids.

Figure 1.1

Normal Versus

Cross Flow Filtration

GE Osmonics manufactures a patented spiral-wound membrane element package, with a tur-

bulent flow design. This membrane element collects the purified water within a central tube,

the permeate tube (Figure 1.2, Membrane Element with Interconnectors and Figure 1.3, Cross

Sectional View of Membrane Element).

Figure 1.2 - Membrane Element

with Interconnectors

Figure 1.3

Cross Sectional View of

Membrane Element

Some operating definitions are provided to help you further understand your machine:

Permeate Rate [Product Water Rate (Qp)] is the flow rate of purified water which has

passed through the membrane element and out of the membrane element housing;

expressed in gal/min (gpm) or gal/hr (gph) [in metric, liter/min (Lpm) or cubic

meters/hour (m3/h)]. Specified permeate rates are normally at 77ºF (25ºC).

Concentrate Rate [Waste Water Rate (Qc)] is the flow rate of water containing reject-

ed solids to drain in gpm or gph (Lpm or m3/h).

Feed Rate (Qf)is the flow rate of incoming water in gpm or gph (Lpm or m3/h).

Feedwater rate equals permeate rate plus concentrate rate.

Recovery equals permeate rate divided by feed rate and is expressed as a percentage.

For example, 33% recovery means that out of a given feed rate, 33% is produced as

purified water (permeate).

Concentration equals the Total Dissolved Solids (TDS) concentration of a solution

expressed as milligrams per liter (mg/L) or conductivity (microSiemens/cm).

Cf= Feed Concentration

Cp= Permeate Concentration

Cc= Concentrate Concentration

Cavg = Average Concentration in Machine

Salt (Ionic) Rejection equals the percent of dissolved salt rejected by the membrane

element, calculated from an average concentration over the membrane.

Salt (Ionic) Passage equals (100% - rejection) or the percent of dissolved salts passed

through the membrane element.

An example of how to calculate salt rejection and recovery is given below:

Figure 1.4

Principles of Operation

Flow Description - The feed water passes through a replaceable 5-micron cartridge

pre-filter which removes bulk suspended solids. Filtered water then flows to the inlet con-

trol valve. This solenoid-controlled diaphragm valve is wired to the ON/OFF switch and

opens when the machine is turned ON, allowing water to flow to the pump inlet. When

the machine is turned off, the valve closes, preventing non-turbulent flow through the

membrane elements, which would lead to shortened membrane element life.

The pump feeds water to the membrane element housings arranged in parallel and serial

combinations. The direction of water flow is indicated by an arrow on each membrane ele-

ment housing. Water is separated by the membrane elements within the membranes and

leaves the membrane element housings in two streams: permeate and concentrate.

Permeate from each membrane element housing is collected in a common manifold. The

permeate then flows through a flow meter and to the outlet point of the machine.

The concentrate leaves the last membrane element housing and flows to the flow control

center (recycle/concentrate manifold). At this point, the recycle valve channels a prede-

termined amount of concentrate into the pump inlet. Recycle increases recovery while

maintaining adequate cross flow through the membrane elements. The other two ports of

the flow control center lead to the concentrate valve and final pressure gauge. The con-

centrate valve has three functions: It controls the amount of concentrate flowing to the

drain; it controls the pressure within the machine; and it helps control the system recov-

ery. An Autoflush solenoid is added to the flow control center with an additional tee. The

concentrate then flows through a flow meter and to the outlet point of the machine.

1.2 Machine Nomenclature

GE Osmonics E-Series water purification machines are numbered in such a way as to indi-

cate the permeate flow and quality you can expect from the machine.

Given the system case in Figure 1.4 (Principles of Operation):

Average Concentration (Cavg) = (Cf) 100 mg/L + (Cc) 146.9 mg/L

(Cavg) = 123.5 mg/L TDS

Rejection = (Cavg) 123.5 - (Cp) 6.2 x 100 = 95%

(Cavg) 123.5

Passage = (Cp) = 6.2 x 100 = 5.0%

(Cavg) = 123.5

Recovery = (Qp) 2 gpm x 100 = 33%

(Qf) 6 gpm

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