Osmonics E4H Series Guía de instalación

E4H-SERIES

WATER PURIFICATION MACHINES

14,400 GPD TO 43,200 GPD

OPERATION AND

MAINTENANCE MANUAL

Permeate

Carrier

Membrane

Backing

Adhesive

Bond

E4H-SERIES WATER PURIFICATION MACHINES

14, 400 GPD – 43, 200 GPD

OPERATION AND MAINTENANCE MANUAL

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 (ECN) Model and Deluxe (DLX) Model Option................................................. 5

1.5 Specifications for E-Series Machines .......................................................................................... 6

2.0 INSTALLATION........................................................................................................................................ 9

2.1 Mounting........................................................................................................................................... 9

2.2 Piping ................................................................................................................................................. 9

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

3.0 PREPARATION AND START-UP ........................................................................................................ 10

3.1 Pretreatment for Water Purification......................................................................................... 10

3.2 Start-Up ............................................................................................................................................ 11

4.0 OPERATION AND MAINTENANCE ................................................................................................. 15

4.1 Daily Log Sheets ............................................................................................................................. 15

4.2 Pre-Filter........................................................................................................................................... 15

4.3 Flushing.............................................................................................................................................. 16

4.4 Cleaning ............................................................................................................................................ 16

4.5 Draining Machine for Shipment................................................................................................... 18

4.6 Sepralator Installation.................................................................................................................... 18

4.7 Sepralator Replacement................................................................................................................ 20

5.0 OPTIONAL ACCESSORIES ................................................................................................................... 20

5.1 Level Controls................................................................................................................................. 20

5.2 Filters and Water Softeners ........................................................................................................ 20

5.3 Storage Tanks.................................................................................................................................. 20

6.0 TROUBLESHOOTING............................................................................................................................ 22

7.0 SPARE PARTS LIST................................................................................................................................... 25

8.0 RETURN GOODS AUTHORIZATION (RGA) PROCEDURE..................................................... 27

8.0 WARRANTY/GUARANTEE .................................................................................................................. 28

9.0 START-UP DATA ..................................................................................................................................... 29

10.0 DAILY LOG FOR E4H MACHINES..................................................................................................... 30

LIST OF FIGURES

Figure Title

1 Normal vs. Crossflow Filtration............................................................ 1

2 Membrane Sepralator with Interconnectors...................................... 2

3 Cross-Sectional View of Sepralator...................................................... 2

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

5 Typical Membrane Rejections/Passages ............................................... 8

DWG # 1159330 ECN Electrical Diagram..........................................................Attached

DWG # 1163858 ECN Flow Diagram..................................................................Attached

LIST OF TABLES

Table Title

1 Machine Recovery..................................................................................... 14

2 Dry Chemical Cleaners ........................................................................... 17

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.

RO is the separation of one component of a solution from another component by

means of pressures exerted on a semipermeable membrane. Removal of ionic, organic

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

separates by “normal” filtration, the Osmo®sepralator separates using a process called

crossflow filtration. Feedwater solution is separated into two streams, permeate and

concentrate, and collected from both sides of the membrane. A semipermeable RO

membrane, under sufficient pressure, allows passage of purified water while rejecting

and concentrating dissolved and suspended solids.

Figure 1 - Normal vs. Crossflow Filtration

Osmonics manufactures a patented spiral-wound membrane package, with a turbulent flow

design. This membrane module, called a sepralator, collects the purified water within a cen-

tral tube, the permeate tube (see Figures 2 and 3).

Figure 2 - Membrane Sepralator with Interconnectors

Figure 3 - Cross-Sectional View of Sepralator

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 and out of the sepralator; 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

rejected 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,

calculated from an average concentration over the membrane.

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

through the membrane.

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

Figure 4 - Principles of Operation

Given the system case in Figure 4:

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

Flow Description - The feedwater passes through a replaceable 5-micron cartridge filter

which removes bulk suspended solids. Filtered water then flows to the inlet control 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 sepralators, which

would lead to shortened membrane life.

The pump feeds water to the sepralator housings arranged in parallel and serial combina-

tions. The direction of water flow is indicated by an arrow on each sepralator housing.

Water is separated by the membrane within the sepralators and leaves the sepralator hous-

ings in two streams: permeate and concentrate.

Permeate from each sepralator 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 sepralator housing and flows to the flow control center

(recycle/concentrate manifold). At this point, the recycle valve channels a predetermined

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

adequate crossflow through the sepralators. The other two ports of the flow control cen-

ter lead to the concentrate valve and final pressure gauge. The concentrate valve has three

functions: It controls the amount of concentrate flowing to the drain; it controls the pres-

sure within the machine; and it helps control the system recovery. 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

E-Series water purification machines are numbered in such a way as to indicate the perme-

ate flow and quality you can expect from the machine:

Example: E4H-21K/ECN, 230, 6, 50-75

• E4H indicates the machine series

• H indicates horizontal membrane element housing configuration

• 21K indicates the rated permeate flow in thousands of gallons per day @

77ºF (25ºC), i.e., 21K = 21,000 gallons per day

• ECN indicates Economy Model and DLX indicates the Deluxe Model

• 230 indicates 230 VAC, three-phase voltage to starter

• 6 indicates 60 Hz operation, whereas 5 indicates 50 Hz operation

• 50 - 75 indicates 50% to 75% recovery

1.3 Machine Permeate Quality

The permeate rejection performances are as follows:

E4H machines use high rejection Osmo 415 - HR(PA) membrane elements, providing the

ultimate in high purity water.

1.4 Economy (ECN) Model and Deluxe (DLX) Model Option

1.4.1ECN Model

E-Series ECN model water purification machines have all the features

necessary for safe, continuous production of high purity water. This

assumes good quality feedwater, adequate pretreatment and regular operator

maintenance, each shift or daily, to the operation of the system.

• 50% to 75% recovery

• Multi-stage centrifugal pump, SS construction (stainless steel castings

with Noryl* stages)

• Base model electrical package includes NEMA-1 enclosure with a 110

VAC, 60 Hz or 220 VAC, 50 Hz single-phase control circuit; applies to all

ECN models

• Automatic inlet shutoff valve

• Pre-filter housing and 5-micron cartridge filter

• Pre-filter, post-filter, primary and final pressure gauges

• Digital concentrate and permeate flow meters

• Digital conductivity monitor, panel-mounted, for permeate quality monitor-

ing

• Autoflush System - programmable, automated high-velocity membrane

flushing for the longest membrane life; set at the factory and adjustable in

the field

* Noryl is a trademark of General Electric Company.

• Gauges, valves and rigid piping of stainless steel or plastic

• Sepralator housings, all 304 stainless steel, with Noryl end caps

• 316 stainless steel concentrate and recycle valves

• All components in contact with the purified water (permeate) are either

FDA-acceptable plastic (nylon, Noryl, polypropylene, PVC) or stainless

steel materials.

• All high pressure fittings are 304 stainless steel.

• Alarms included: low inlet pressure and high amp draw

1.4.2 DLX Model Option

The DLX package contains all of the above ECN standard features along

with a PLC control system.

• Multi-stage centrifugal pump, SS construction (316 stainless steel end

castings and other wetted parts, Noryl internals)

• Autoflush System - programmable, automated high-velocity membrane

flushing for the longest membrane life; set at the factory and adjustable in

the field

• All high pressure fittings are 304 stainless steel.

• Special electrical upgrade package includes PLC controller with alarm

delay shutdown for low inlet pressure condition to prevent pump damage

should pressure fall below 15 psig (1 bar)

• Clean-In-Place (CIP) system

• Digital flow meter and conductivity controller

• Digital pH controller

• Alarms included: low inlet pressure, high amp draw, high / low pH

1.5 Specifications for E-Series Machines

1.5.1 Feedwater Specifications

Temperature 35-77°F (2-25°C) [Not to exceed

85°F (29°C) unless specifically

designed for higher temperatures]

Inlet Pressure Minimum 30 psig (2.1 bar); Maximum

60 psig (4.1 bar)

Chlorine (continuous feed) For Osmo HR(PA) membranes 0 ppm

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