Barnstead|Thermolyne EASYpure D7421 Guida

EASYpure™ RO

Reverse Osmosis System

SERIES 742

INSTALLATION,

OPERATION,

SERVICE AND REPAIR MANUAL,

AND PARTS LIST

LT742X16 • 8/20/97

Model Voltage

D7421 120

D7422 240

D7422-33 230

D7423 100 Low Pressure

D7428 120 Low Pressure

D7429 240 Low Pressure

D7429-33 230 Low Pressure

BARNSTEAD|THERMOLYNE CORPORATION

Figure 1 EASYpure RO

Ventgard

Back

Door

Latch Pressure

Gauge Indicator

LED's

Tank

Water

Level

Sight

Table of Contents

Safety Information ........................................................................................................................................4

Alert Boxes................................................................................................................................................4

Warnings....................................................................................................................................................4

Specifications................................................................................................................................................6

Feedwater Requirements1........................................................................................................................6

Product Water Specifications ....................................................................................................................6

Electrical Requirements ............................................................................................................................6

Environmental Conditions..........................................................................................................................6

Product Water Rejection Rates ....................................................................................................................6

Declaration of Conformity ............................................................................................................................7

Unpacking ....................................................................................................................................................8

Installation ....................................................................................................................................................9

Locating your EASYpure RO ....................................................................................................................9

General Usage ..........................................................................................................................................9

Bench Mounting ......................................................................................................................................10

Wall Mounting ..........................................................................................................................................11

Utility Connections ..................................................................................................................................12

Feedwater Connection ........................................................................................................................12

Reject Water Connection ....................................................................................................................13

Tank Overflow Connection ..................................................................................................................14

Connections to Equipment Supplied By the EASYpure RO. ..................................................................15

Installing The Prefilter and Membranes ..................................................................................................16

Prefilter Installation ..............................................................................................................................16

Membrane Installation..........................................................................................................................17

Electrical Connections ............................................................................................................................20

Membrane Flush......................................................................................................................................20

Set "Replace Prefilter" Indicator ............................................................................................................21

Operation....................................................................................................................................................24

Indicators ................................................................................................................................................24

Pressure Gauge ..................................................................................................................................24

LED's....................................................................................................................................................24

Maintenance ..............................................................................................................................................27

Caring For Your EASYpure RO ..............................................................................................................27

System Sanitization..............................................................................................................................27

Ventgard® Filter Replacement ............................................................................................................30

General Cleaning Instructions..............................................................................................................30

Service and Repair ....................................................................................................................................31

Normal Unit Operation ............................................................................................................................31

Fuse Replacement ..............................................................................................................................33

Membrane Replacement......................................................................................................................33

Prefilter Replacement ..........................................................................................................................34

Parts List ....................................................................................................................................................35

Recommended Spares ........................................................................................................................35

Ordering Procedures............................................................................................................................37

Troubleshooting ..........................................................................................................................................38

Wiring Diagrams ........................................................................................................................................39

Exploded View............................................................................................................................................42

Exploded View Key ....................................................................................................................................43

One Year Limited Warranty ........................................................................................................................44

Safety Information

Your Barnstead EASYpure RO has been designed

with function, reliability, and safety in mind. It is

your responsibility to install it in conformance with

local electrical codes. For safe operation, please

pay attention to the alert signals throughout the

manual.

Warnings

To avoid electrical shock, always:

1. Use a properly grounded electrical outlet

of correct voltage and current handling

capacity.

2. Do not mount the EASYpure RO directly

over equipment that requires electrical

service. Routine maintenance of this unit

may involve water spillage and subse-

quent electrical shock hazard if improperly

located.

3. Replace fuses with those of the same type

and rating.

4. Disconnect from the power supply prior to

maintenance and servicing.

To avoid personal injury:

Warning

Warnings alert you to a

possibility of personal injury.

Caution

Cautions alert you to a

possibility of damage to the

equipment.

Note

Notes alert you to pertinent

facts and conditions.

Alert Signals

SAFETY INFORMATION

1. Do not use in the presence of flammable or

combustible materials; fire or explosion may

result. This device contains components

which may ignite such materials.

2. Ensure all piping connections are tight to

avoid leakage of chemicals.

3. Ensure adequate ventilation when using

chemicals for cleaning.

4. Follow carefully the manufacturers’ safety

instructions on labels of chemical containers

and Material Safety Data Sheets (M.S.D.S.).

5. Refer servicing to qualified personnel.

C. To ensure safe mounting:

1. Wall composition and construction, as well

as fastener type, must be considered when

mounting this unit. The mounting surface

and fasteners selected must be capable of

supporting a minimum of 120 lbs.; inade-

quate support and/or fasteners may result in

damage to mounting surface and/or equip-

ment. If you are unsure of mounting surface

composition, condition and construction, or

correct fasteners, consult your building

maintenance group or contractor.

Specifications

Dimensions

30.5 cm W x 46.7 cm W x 46 cm H.

Feedwater Requirements1, 5

Max. Temperature ........................48.8°C

Min. Pressure (standard unit) ......30 psig

(2.1 bar)

Min. Pressure (low pressure unit) 9 psig

(0.62 bar)

Max. Pressure (standard unit)......100 psig

(6.8 bar)

Max. Pressure (low pressure unit)

15 psig (1.1 bar)

Inlet Flow Requirements ..............53.5 lph

pH ................................................4 - 11

TDS (Max. ppm as CaCO3) ........500

Silt Density Index ........................<5%

Free Chlorine................................<0.1 ppm2

Langlier Saturation Index ............Negative

Turbidity........................................<1 NTU

Iron (Total as Fe)..........................<0.5 ppm

Product Water

Specifications5

Product Water Flow Rate ............12 lph3

% Recovery..................................20%-26%

1 Feedwater suitability must be determined by a water analysis.

2 Free chlorine removed by pretreatment cartridge.

3 ±1.5 lph, feedwater at 25°C and 60 psig pressure.

4 Membrane performance is dependent on condition, pressure, recovery, water temperature and water composition. Listed membrane

performance for a new membrane is based on optimum operating conditions of 60 psig, 15% recovery, 25°C (77°F) feedwater tempera-

ture and feedwater composition of a maximum of 500 ppm NaCl at a pH of 6.0-6.5.

5 Membrane performance, flowrates and recovery information are nominal values. Variations in the feedwater temperature, pumps and

reject orifice may slightly alter these results.

Membrane Rejection Rates4

Monovalent Ions ..........................90-95%

Polyvalent Ions ............................95-99%

Particles........................................>99%

Microorganisms............................>99%

Dissolved Organics (300 MW) ....>99%

Reject Water Flow Rate 650 ml/min

60 PSIG ±5

PSIG

Electrical Requirements

Model D7422-33 - 230 VAC ±10%, 47-63 Hz

Model D7429-33 - 230 VAC ±10%, 47-63 Hz

Environmental Conditions

Operating: 17°C - 27°C; 20% - 80% relative

humidity, non-condensing. Installation

Category II (over-voltage) in

accordance with IEC 664. Pollution

Degree 2 in accordance with IEC

664. Altitude limit: 2,000 meters.

Storage: -25°C - 65°C; 20% - 80% relative

humidity.

Declaration of Conformity

Barnstead|Thermolyne hereby declares under its sole responsibility that this product con-

forms with the technical requirements of the following standards:

EMC: EN50081-1 Generic Emission Standard; EN 50082-1 Generic Immunity

Standard.

Safety: IEC 1010-1-92 Safety requirements for electrical equipment for measure-

ment, control and laboratory use; Part 1: General Requirements

per the provisions of the Electromagnetic Compatibility Directive 89/336/EEC, as amended

by 92/ 31/EEC and 93/68/EEC, and per the provisions of the Low Voltage Directive

73/23/EEC, as amended by 93/68/EEC.

The authorized representative located within the European Community is:

European manager

Barnstead|Thermolyne

Saarbrückener Str. 248

D-38116 Braunschweig

Germany

Copies of the Declaration of Conformity are available upon request.

Unpacking

Carefully remove the unit from its shipping contain-

er.

The following items are shipped separately and

must be removed from the packaging prior to dis-

carding the packaging:

1. EASYpure RO Ventgard air filter.

2. Power cord.

3. Pump interlock cord.

4. Membrane bypass tubing.

The following items are located inside the mem-

brane access door:

1. Feedwater tubing.

2. Reject water tubing.

3. Product tubing to connect accessory

reservoir.

4. Product tubing to connect another

EASYpure unit.

Locating your EASYpure RO

Your EASYpure RO must be located within six feet

of an electrical outlet appropriate for your unit, with-

in five feet of your feedwater supply and close to

an atmospherically vented drain. If you are using

the accessory 30 Liter Reservoir (Part Number

TY742X2A), the tank overflow on the EASYpure

RO's integral 6.5 liter tank should be located below

the level of the storage reservoir's overflow. This

will ensure that the EASYpure RO's internal float

switches will control the operation of the system. If

the EASYpure RO is to be used with the accesso-

ry 30 Liter Reservoir, the reservoir must not be

mounted farther than 4 feet away from the

EASYpure RO. The EASYpure RO Bench Stand

(Part Number D7424) will be required for a bench

mounted installation with an accessory 30 Liter

Reservoir.

General usage

Do not use this product for anything other than its

intended usage.

Do not mount the EASYpure

RO directly over equipment

that requires electrical ser-

vice. Routine maintenance of

this unit may involve water

spillage and subsequent

electrical shock hazard if

improperly located.

Warning

Installation

INSTALLATION

Bench Mounting

If you are bench mounting the EASYpure

RO without the accessory 30 Liter Reservoir

(Part Number TY742X2A), simply place the

EASYpure RO on a bench.

If you are bench mounting the EASYpure

RO and using it in conjunction with the

accessory 30 Liter Reservoir (Part Number

TY742X2A), the EASYpure RO Bench Stand

(Part Number D7424) must be added to the

EASYpure RO to ensure automatic opera-

tion. Install the EASYpure RO Bench Stand

as follows:

1. Remove the 4 feet from the

EASYpure RO and retain the

screws.

2. Place the EASYpure RO on the

Bench Stand so that the screw

holes where the feet were attached

line up with the holes in the Bench

Stand.

3. Install the 4 screws removed in

step 1 through the bottom of the

Bench Stand and into the

EASYpure RO.

4. Install the accessory 30 Liter

Reservoir according to the instruc-

tions in the accessory 30 Liter

Reservoir manual.

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