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Barnstead|Thermolyne EASYpure D7421 Installation, Operation & Service Parts Manual

Reverse osmosis system
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Reverse Osmosis System
LT742X16 • 8/20/97
B
|T
ARNSTEAD
HERMOLYNE
EASYpure™ RO
S
INSTALLATION,
OPERATION,
SERVICE AND REPAIR MANUAL,
AND PARTS LIST
Model
D7421
D7422
D7422-33
D7423
D7428
D7429
D7429-33
C
ORPORATION
742
ERIES
Voltage
120
240
230
100
Low Pressure
120
Low Pressure
240
Low Pressure
230
Low Pressure
1

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Summary of Contents for Barnstead|Thermolyne EASYpure D7421

  • Page 1 ARNSTEAD HERMOLYNE ORPORATION EASYpure™ RO Reverse Osmosis System ERIES INSTALLATION, OPERATION, SERVICE AND REPAIR MANUAL, AND PARTS LIST Model Voltage D7421 D7422 D7422-33 D7423 Low Pressure D7428 Low Pressure D7429 Low Pressure D7429-33 Low Pressure LT742X16 • 8/20/97...
  • Page 2 Back Pressure Indicator Door Ventgard Gauge LED's Latch Tank Water Level Sight Figure 1 EASYpure RO...

  • Page 3: Table Of Contents

    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...

  • Page 4: Safety Information

    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.
  • Page 5 AFETY NFORMATION 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.

  • Page 6: Specifications

    Specifications Membrane Rejection Rates 4 Dimensions Monovalent Ions ......90-95% 30.5 cm W x 46.7 cm W x 46 cm H. Polyvalent Ions ......95-99% Particles........>99% Microorganisms ......>99% Feedwater Requirements 1, 5 Dissolved Organics (300 MW) ..>99% Max. Temperature ......48.8°C Reject Water Flow Rate 650 ml/min Min.

  • Page 7: Declaration Of Conformity

    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;...

  • Page 8: Unpacking

    Unpacking Carefully remove the unit from its shipping contain- 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.

  • Page 9: Installation

    Installation Locating your EASYpure RO Your EASYpure RO must be located within six feet of an electrical outlet appropriate for your unit, with- Warning in five feet of your feedwater supply and close to Do not mount the EASYpure an atmospherically vented drain. If you are using RO directly over equipment the accessory 30 Liter Reservoir (Part Number that requires electrical ser-...

  • Page 10: Bench Mounting

    NSTALLATION 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...

  • Page 11: Wall Mounting

    NSTALLATION Wall Mounting If you are wall mounting the EASYpure RO using the optional wall mounting bracket, mount the unit Note as follows: If you are bench mounting the unit, proceed to Utility Wall Mounting the EASYpure RO Connections. 1. Install the wall bracket (Part Number D7384) on the wall in a location that is accessible to water, power and an atmos- pherically vented drain, and that is conve-...

  • Page 12: Utility Connections

    NSTALLATION 4. Install the four screws removed in step 2 through the bottom of the wall bracket and into the EASYpure RO. Utility Connections The EASYpure RO is supplied with four separate lengths of tubing to be used for feedwater, reject water, feed to accessory storage reservoir and feed to another EASYpure unit's connections.

  • Page 13: Reject Water Connection

    NSTALLATION Reject Water Connection 1. Locate the reject water tubing. This is the piece of 3 / 8 " O.D. tubing that has an adapter on one end and no connector on the other end. Remove the nut, grab ring, backup ring and o-ring from the reject water fitting located at the lower right of the unit.

  • Page 14: Tank Overflow Connection

    NSTALLATION 5. Route the other end of the reject water tubing with the adapter installed to an atmospherically vented drain. Ensure there are no kinks in the tubing and that it pro- ceeds in a downward plane. 6. If possible, use the tubing adapter to permanently install the reject water tubing in the drain.

  • Page 15: Connections To Equipment Supplied By The Easypure Ro

    NSTALLATION Connections to Equipment Note Do not connect the product water Supplied By the EASYpure tubing to a connected EASYpure unit until you have completed the mem- brane flush procedure for the Your EASYpure RO also includes two EASYpure RO. lengths of tubing with quick disconnect inserts attached.

  • Page 16: Installing The Prefilter And Membranes

    NSTALLATION Installing The Prefilter and Membranes 1. Disconnect the unit from the power supply. 2. Pull the rear side of the door latch up and toward the front of the unit until the front of the door latch unhooks. 3. Lift the front of the door latch and open door.

  • Page 17: Membrane Installation

    NSTALLATION 2. Wet the o-rings on both end caps of the prefilter. 3. Insert the upper end cap into upper center position until it bottoms out in the connector. (The upper end cap is the one with the right angle turn and the two flanges.) The two flanges on the end cap slide down on each side of the keyway wall.
  • Page 18 NSTALLATION 2. Remove an RO membrane car- tridge (Part Number D7425) from its plastic bag. 3. Remove the nut, stainless steel grab ring, backup ring and o-ring from the connectors on the mem- brane. 4. Connect the product and reject tubes in the right-hand membrane position on the EASYpure RO to the product and reject outlet con-...
  • Page 19 NSTALLATION 5. Wet the o-rings on the bottom of the mem- brane cartridge. Insert the RO membrane cartridge into the right-hand spring metal retainer. 6. Slide the RO membrane cartridge down until the lower end cap is firmly seated in the lower right-hand socket.

  • Page 20: Electrical Connections

    NSTALLATION Electrical Connections 1. Plug power cord into the unit's power entry module. Warning 2. Connect your EASYpure RO to a properly grounded outlet of correct voltage and Use a properly grounded current handling capacity. electrical outlet of correct voltage and current handling capacity.

  • Page 21: Set "Replace Prefilter" Indicator

    NSTALLATION 4. Turn the unit on by depressing the ON/OFF switch on the power entry mod- ule in the rear of the EASYpure RO (see Figure 8, page 19). 5. Allow the unit to operate for approximately one hour, sending all water produced to drain.
  • Page 22 NSTALLATION To set the "Replace Prefilter" Indicator for your feedwater supply: 1. Determine the free-chlorine level of your feedwater (in ppm) using a commercially available test kit. 2. Disconnect the unit from the power supply. 3. Pull the rear side of the door latch up and toward the front of the unit until the front of the door latch unhooks.
  • Page 23 NSTALLATION Free-Chlorine Range (ppm) Switch 1 Switch 2 Switch 3 Switch 4 0.05-0.80 ppm bottom in bottom in bottom in top in 0.80-1.40 ppm* top in top in bottom in top in More than 1.40 ppm top in bottom in top in top in * Factory set.

  • Page 24: Operation

    48 ignite such materials. hours contact Barnstead|Thermolyne customer ser- vice. If water is not drawn from the tank for 72 hours, empty tank and refill with new RO water before using.
  • Page 25 PERATION 1. Reservoir full: Your EASYpure RO is equipped with a float switch that will de- energize the unit when the reservoir is full. This light will illuminate, indicating the unit is in a standby mode. When the reservoir’s water level is lowered about five inches, the unit will re-energize and the light will turn off.
  • Page 26 PERATION from the feedwater. The "Replace Prefilter" Indicator notifies you when the prefilter requires chang- ing. The frequency with which this light will illuminate will vary depend- ing on the feedwater free chlorine level you have selected on the switch panel on the inside rear left side of the case.

  • Page 27: Maintenance

    Maintenance Warning Caring For Your EASYpure RO Disconnect from the power supply prior to maintenance With proper care, your EASYpure RO will give and servicing. you consistently pure water. To ensure contin- ued good service, regularly perform the follow- Refer servicing to qualified ing procedures.
  • Page 28 AINTENANCE 3. If you are feeding a NANOpure, remove from the NANOpure the tubing from the "T" on the accessory 30 Liter Reservoir. Drain the accessory 30 Liter Reservoir by opening the spigot. 4. Disconnect the quick disconnect insert(s) and product water tubing attached to the EASYpure RO.
  • Page 29 AINTENANCE 10. Allow the system to operate normally until the reservoir is full and the unit goes into standby. 11. Allow the solution to sit in the system for 30-45 minutes. 12. Reconnect the quick disconnect insert(s) and product water tubing removed in step 4.

  • Page 30: Ventgard® Filter Replacement

    AINTENANCE Ventgard ® Filter Replacement The materials in the Ventgard ® have a limit- ed capacity. The Ventgard ® should be replaced every 90 days or after 1,000 gal- lons have been drawn from the storage tank. A Ventgard ® may be stored in a cool, dry place almost indefinitely, provided the plastic bag has not been opened.

  • Page 31: Service And Repair

    Service and Repair Normal Unit Operation Below is a brief description of the normal automatic Warning operation of the EASYpure RO. If the unit does not Disconnect from the power operate as described below, refer to the Trouble- supply prior to maintenance shooting Guide.
  • Page 32 ERVICE AND EPAIR drops approximately five inches, and 3) switch off any EASYpure unit connected to the EASYpure RO when the water level in the EASYpure RO's storage reservoir is too low to ensure an adequate water sup- ply to the other EASYpure unit (this requires the pump interlock cord to be installed).

  • Page 33: Fuse Replacement

    ERVICE AND EPAIR Fuse Replacement Warning 1. Disconnect the EASYpure RO from its Replace fuses with those of power source. Remove the outer cover. the same type and rating. 2. Locate the fuse holder, part of the power entry module (see Figure 13 for location), and remove.

  • Page 34: Prefilter Replacement

    ERVICE AND EPAIR 3. Install and flush new membranes using the procedure for membrane installation and flush listed under "Membrane Installation." 4. After you replace the membranes, Note press the "Replace Membrane" This reset button is a two Indicator reset button, located direct- position button;...

  • Page 35: Parts List

    (filters, resin cartridges, etc.) and other items of limited service life (indicator lights, fuses, etc.) that you can expect to replace on a more or less random basis. Wherever possible, Barnstead|Thermolyne recommends the frequency of replacement or provides information on service life expectancy.
  • Page 36 “General Maintenance” and “Safety Stock.” In the event of component failure, this safety stock can be drawn upon by you or Barnstead|Thermolyne technicians, there- by, avoiding unnecessary delays in delivery of replacement parts.

  • Page 37: Ordering Procedures

    All parts listed herein may be ordered from the Barnstead|Thermolyne dealer from whom you purchased this unit or can be obtained promptly from the factory. When service or replacement parts are needed we ask that you check first with your dealer.

  • Page 38: Troubleshooting

    Troubleshooting Problem Possible Causes Solutions EASYpure RO No electrical power to Ensure EASYpure RO completely inactive EASYpure RO power cord is installed (Controls not operating) and connected to live power. Blown fuses Check/Replace fuses. Refer to Fuse Replacement for procedure. No water flowing (low Feedwater supply valve Open feedwater supply...

  • Page 39: Wiring Diagrams

    Wiring Diagrams Figure 14 Wiring Diagram 100 Volt...
  • Page 40 IRING IAGRAMS Figure 15 Wiring Diagram 120 Volt...
  • Page 41 IRING IAGRAMS Figure 16 Wiring Diagram 230 Volts...

  • Page 42: Exploded View

    EASYpure RO Exploded View...

  • Page 43: Exploded View Key

    Exploded View Key Part # Description PU742X1A Pump 120 Volt PU742X2A Pump 230 Volt PU742X2A Pump 240 Volt PU742X3A Pump 100 Volt & 120 Volt low pressure PU742X4A Pump 230 Volt low pressure PU742X4A Pump 240 Volt low pressure PC742X2A Main PC Board 01407 Pressure Switch...

  • Page 44: One Year Limited Warranty

    (1) year, the parts necessary to remedy any such defect. The warranty period shall commence either six (6) months following the date the product is sold by Barnstead|Thermolyne or on the date it is purchased by the original retail consumer, whichever date occurs first.

This manual is also suitable for:

Easypure d7422-33Easypure d7423Easypure d7422Easypure d7428Easypure d7429Easypure d7429-33

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