Table of Contents
Troubleshooting
Summary of Contents for Barnstead Mega-Pure Series 798
- Page 1 MEGA-PURE ® One Liter Water Still OPERATION MANUAL AND PARTS LIST SERIES 798 Model Number Voltage Description A440266 120V Without Bottle A440267 120V With Bottle A7981 240V Without Bottle A7982 240V With Bottle LT798X1 • 9/8/05...
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Page 2: Important Information
Water purification technology employees one or more of the following: chemicals, electrical devices, mer- cury vapor lamps, steam and heated vessels. Care should be taken when installing, operating or servicing Barnstead products. The specific safety notes pertinent to this Barnstead product are listed on page 4. Figure 1 MEGA-PURE One Liter Still... -
Page 3: Table Of Contents
Table of Contents Important Information............................2 Table of Contents............................3 Safety Information ............................4 Alert Boxes ............................4 Warnings ..............................4 Introduction ..............................6 Unpacking ..............................7 Installation and Service Requirements ......................8 Location of Unit ............................8 Service Requirements ..........................8 Power..............................9 Water Supply Requirements ........................9 Drain ..............................10 Initial Assembly ............................10 Feedwater Connections ..........................11 Tap Water Boiler Feed..........................11 Pretreated Boiler Feed ........................12... -
Page 4: Safety Information
Safety Information Your Barnstead MEGA-PURE One Liter Water Still 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 Always depressurize chemical lines before disas- sembly. To avoid exposure to chemical fumes, ensure ade- quate ventilation when using chemicals for clean- ing. Follow carefully the manufacturers’ safety instruc- tions on labels of chemical containers and Material Safety Data Sheets (M.S.D.S.). “Caution - Hot Surface.
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Page 6: Introduction
Introduction Your Barnstead MEGA-PURE One Liter Water Still is a com- pact, all glass unit with PTFE connectors designed to provide Warning 1.4 liter per hour of high purity distilled water. The product Use a properly grounded electrical outlet water is non-pyrogenic per USP XIX. Resistivity will be of correct voltage and current handling greater than 1.0 megohm-cm at the condenser outlet using... -
Page 7: Unpacking
Unpacking Tools required: Diagonal cutting pliers. Remove parts box and still from shipping carton and place on workbench. Check glassware inside the main cabinet for damage. Check parts in the accessory box for damage. Identify any broken or damaged parts and report them to your dealer immediately. -
Page 8: Installation And Service Requirements
Ensure that the equipment is con- Water Supply Requirements nected to electrical service accord- Barnstead recommends one of the following options for sup- ing to local and national standards. plying water to operate your MEGA-PURE One Liter Water Failure to properly connect may cre- Still. -
Page 9: Water Supply Requirements
11-15. Drain An open or atmospherically vented drain located lower than the still is necessary to allow for gravity flow. Barnstead sup- Figure 2 240 Volt Receptacle plies a 5 foot length of 1/2" I.D. vinyl tubing for the drain. -
Page 10: Initial Assembly
Initial Assembly Tools required for assembly: 7/16" open end wrench, diagonal cutting pliers, common screwdriver. Unwrap the condenser “B” and thoroughly flush all of the salt out. Reattach the condenser “B” to the still and then attach the two PTFE connectors “D” and “P” to the condenser “B”... -
Page 11: Feedwater Connections
However, you have the option of feeding your boil- Note er with higher purity pretreated water, thereby reducing the Barnstead strongly recommends that need to drain and clean your boiler. you install the optional flowmeter If you will be using tap water as your boiler feedwater, pro- (Catalog Number 440092) into your ceed to the Tap Water Boiler Feed section. -
Page 12: Pretreated Boiler Feed
EEDWATER ONNECTIONS Plug the solenoid valve power cord (not shown) into the receptacle on the bottom of the control box "H." (See Figure 5.) Go to the Still Output Connections section to com- plete your still's setup. Pretreated Boiler Feed When a supply of distilled, deionized or reverse osmosis water is to be used as boiler feed, first revise the still connec- tions as follows:... -
Page 13: Demineralizer Treated Boiler Feed
EEDWATER ONNECTIONS Demineralizer Treated Boiler Feed See Figure 8. (Must have optional still adapter kit: Catalog No. 440376) Install a customer supplied shutoff valve onto your tap water source. Thread the solenoid valve onto your customer supplied shutoff, with the side marked “in"... -
Page 14: In-House Treated Boiler Feed
EEDWATER ONNECTIONS Route 3/8" I.D. vinyl drain tubing to atmospherically vented drain. Plug solenoid valve power cord (not shown) into receptacle in control box "H." Plug still adapter kit cable into right side of dem- ineralizer and receptacle in control box "H." Go to the Still Output Connections section on page 16 to complete the setup of your still. - Page 15 EEDWATER ONNECTIONS Connect the 3/8" fitting and 3/8" I.D. vinyl tubing from the double solenoid valve kit to the “out” side of the solenoid valve on your treated water supply. Locate the boiler fill tube "L." Connect 3/8" I.D. from treated water supply solenoid to the end of the boiler fill tube.
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Page 16: Still Output Connections
Still Output Connections If you are using one of the optional Storage Bottles, go to the Storage Bottle Installation section. If you are connecting your still to an Automatic Collection System, go to the Automatic Collection System Installation section. Note Storage Bottle Installation The storage bottles do not automati- cally control the still. -
Page 17: Automatic Collection System Installation
Automatic Collection System Installation Before connecting your MEGA-PURE One Liter Water Still to the Barnstead Automatic Collection System, move the still to its final location. Locate ACS tube "Q" and PTFE connector "E" in the ACS parts box. Locate distillate outlet tube (TU798X1) in the still parts box. -
Page 18: Operation
Operation Plug electrical power cord into appropriate receptacle. Refer to Figure 1, page 2 for referenced locations. Warning Close drain clamp "G" on bottom of boiler "I." Use a properly grounded electrical outlet of correct voltage and current Open valve at tap water source and treated water handling capacity. -
Page 19: High Temperature Cut-Off Switch
PERATION High Temperature Cut-off Switch Note Your MEGA-PURE One Liter Water Still is protected against If you are feeding an ACS with your overheating by a thermal switch located in the control box at still, note that when the ACS is full, it the right hand side of the boiler. -
Page 20: Maintenance And Servicing
Maintenance and Servicing Warning Cleaning Disconnect from the power supply before servicing. For top performance and efficiency, the MEGA-PURE One Liter Water Still should be kept clean and free of scale. It is recommended that the boiler be drained and refilled with Wear eye and hand protection when using acid for cleaning, as acid spat- fresh water daily to flush the boiler of the concentration of... -
Page 21: Troubleshooting
AINTENANCE AND ERVICING Troubleshooting General Problem Causes Solution Leaks. The most common leak is one Runs of vinyl tubing should be occurring in the vinyl drain supported to reduce the pull tubing. Hot water causes on the plastic connectors. softening and pulling loose at Small clamps may be used to the plastic barbed connectors. - Page 22 AINTENANCE AND ERVICING General (con't) Problem Causes Solution Steam at Condenser Vent. A slight wisp of steam exiting If there is an excessive amount at the condenser vent is of steam leaving the normal. Gases in the steam are condenser vent, increase the also being removed.
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Page 23: Electrical
PERATION Electrical Before troubleshooting can begin, the problem component must be determined. That is accomplished as follows: Disconnect the demineralizer and ACS jacks from the still control box and attempt to run the still. If still fails, see “Still Troubleshooting.” If still runs, go to step #2. Connect the demineralizer input jack back up to the still control box and attempt to run the still. -
Page 24: Automatic Collection System Troubleshooting
AINTENANCE AND ERVICING Warning Replace fuses with those of the same type and rating. Automatic Collection System Troubleshooting Problem Cause Solution Will not turn still on or off as it Float stuck. Remove level control cover should. and free-up. Switch not working. Replace switch. -
Page 25: Parts List
Parts List All replacement parts must be ordered through your laboratory dealer. Parts arranged by Exploded View key number Exploded View Figure 1 Item Key Key Number Description Part Number Steam Vent Tubing TU674X6 Boiler/Condenser Spring (set of 4) 416104 Condenser 401203 PTFE Connector (3/8"... -
Page 26: Exploded View
Exploded View... -
Page 27: Wiring Diagram
Wiring Diagram... -
Page 28: Ordering Procedures
All parts listed herein may be ordered from the Barnstead International dealer from whom you purchased this unit or can be obtained promptly from the factory. When service or replace- ment parts are needed we ask that you check first with your dealer. -
Page 32: One Year Limited Warranty
BARNSTEAD will provide warranty replacement. As a condition to the return of any product, or any constituent part thereof, to BARNSTEAD’s factory, it shall be sent prepaid and a prior writ- ten authorization from BARNSTEAD assigning a Return Goods Number to the product or part shall be obtained.
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