MMR Technologies Elan2 digital Bedienungsanleitung

OFFICE STATION USER MANUAL

MMR TECHNOLOGIES, INC.

VOLUME 2, ISSUE 1

STARTUP / SHUTDOWN REFERENCE

NEVER TURN OFF UNIT WITHOUT FOLLOWING THE BELOW PROCEEDURE!

SHUTDOWN: To prevent damage to the system, place the system in “STANDBY” 11. Remove any

liquid nitrogen from the Liquefier by pressing “DISPENSE” or “TRANSFER” 7 (depending on the

model). See page 6.

After approximately 15 minutes power off the unit, using the power switch at the rear.

STARTUP: Power on the system. Place the system in “RUN” 11. Ensure a defrost starts

automatically. If not, press the “DEFROST” button 8. The system will begin to produce in

approximately 2 hours.

NOTES:

1. We recommend that the system is not powered off often. Frequent cycling can shorten the

life of your Elan2 Generator.

2. We recommend that you press “DISPENSE” before leaving every day (especially before a

weekend or holiday) to empty the internal Dewar. Once you dispense any remaining LN2,

push the “DEFROST” button, the system will go into a 90 minute defrost and then

automatically go into Standby mode and will not produce any LN2. When you return switch

the system back to “RUN”, it will go into an automatic defrost, simply press the “DEFROST”

button to bypass this. The system will start producing.

TABLE OF CONTENTS

INTRODUCTION…………………………………………………………………………..2

Welcome

Intended Use

Product Overview

SAFETY………………………………………………………………………………………..3

Liquid Nitrogen Safety

Handling

Containment

Specifications

LOCATION RECOMMENDATIONS…………………………………………………4

Choosing a Location

Handling

GETTING STARTED……………………………………………………………………….5

QUICK SETUP……………………………………………………………………………….7

Connecting the Air Compressor

Viewing Sensor Values

Locking and Unlocking

FRONT DISPLAY OPERATION………………………………………………………..8

Liquefier Level and Transfer

Setting the Clock

LIQUID NITROGEN REMOVAL……………………………………………………….9

Dewar Placement

Dispensing

MAINTENANCE AND CARE…………………………………………………………..10

Filter Replacement

Environment Check

TROUBLE SHOOTING…………………………………………………………………..11

Error Codes

Acknowledge and Restart

SUPPORT…………………………………………………………………………………….12

Spare Parts

DATASHEET AND ELECTRICAL……………………………………………………..13

Electrical

Refrigerant

Disposal

WARRANTY………………………………………………………………………………..14

Warranty Limitations

System Safeguards

GLOSSARY OF TERMS………………………………………………………………….15

END USER AGREEMENT………………………………………………………………16

PAGE 1

INTRODUCTION

WELCOME: Congratulations on your purchase of the world’s smallest office Liquid

Nitrogen Generator, the Elan2Digital. Being the latest generation of award winning

Liquid Nitrogen generators offered by MMR, the Elan2Digital boasts increased

production rates, a smaller foot print, quieter operation, and a digital

microprocessor.

The Elan2Digital offers a new user friendly interface; including self-management

and error checking to improve overall efficiency, uptime, and production. By

minimizing user intervention, and with the provision of intelligent feedback

and control, the Elan2Digital will offer years of quiet, clean, on-hand Liquid

Nitrogen produced directly in your office.

INTENDED USE: The Elan2Digital systems are intended for indoor use only, for the production of

Liquid Nitrogen. Because the Liquid Nitrogen generated does not get handled by complex industrial

processes or trucks, it is extremely clean. This makes it an ideal solution for research applications,

clean rooms, tissue biological sample preservation, or clinical cryosurgical applications.

PRODUCT OVERVIEW: The Elan2Digital produces Liquid Nitrogen straight from the air direct to the

user in their office. This is made possible by advanced Nitrogen separation and closed-cycle

Kleemenko cooler technology. When put together a production rate of 1Liter every 3-4 hours of

high purity, clean Liquid Nitrogen is possible. The new built in self-management system provides

peace of mind that the Elan2Digital is always performing at its peak, and Liquid Nitrogen is always

available on-demand and on-time.

The system is comprised of:

Elan2Digital Liquefier

Whisper Air Compressor

PAGE 2

SAFETY

LIQUID NITROGEN SAFETY: These Liquid Nitrogen generators have been designed with the highest

level of user safety in mind. They are also designed to minimize direct handling of Liquid Nitrogen

by the user. However care must be taken to ensure no contact is made with the cryogenic fluid

during Liquid Nitrogen removal from a leak or splash.

HANDLING: Never allow any unprotected part of the body to touch un-insulated pipes or vessels

which contain cryogenic fluids. The extremely cold fluid can cause severe burns if even momentary

contact with human skin is made. Always wear adequate eye protection and gloves when handling

cryogens.

CONTAINMENT: Never carry Liquid Nitrogen in a vessel not properly suited for Cryogenic Fluids.

MMR assumes no liability for injuries caused through improper handling or use of the provided

Cryogen Storage Vessels (Dewars). MMR has thoroughly tested and approved the following

Cryogenic Storage Vessels (Dewars) for use with this system:

Brymill CRY-AC Series for cryosurgery

MVE Dewars from PrincetonCryo

RISK OF EXPLOSION!

NEVER CAP OR SEAL A STORAGE VESSEL (DEWAR) FOR LIQUID NITROGEN THAT DOES NOT HAVE

ADEQUATE VENTILATION HOLES OR A PRESSURE RELIEF DEVICE.

SPECIFICATIONS: Liquid Nitrogen is a colorless, extremely cold liquid and gas (-198°C). It can cause

rapid suffocation when concentrations are sufficient to reduce oxygen levels below 19.5%. Contact

with liquid or cold vapors can cause severe frostbite. Cold vapors in the air will appear as a white

fog due to condensation of moisture. While this may indicate the presence of the gas it should not

be used to determine its concentration in the atmosphere. Oxygen concentrations must be

monitored in the release area. All cryogenic liquids produce large volumes of gas when they

vaporize. One volume of Liquid Nitrogen will expand to produce 696.5 equivalent volumes of gas.

MSDS-OSHA: Not established

ACGIH: Simple Asphyxiate

CAS NUMBER: 7727-37-9

PAGE 3

LOCATION RECOMMENDATIONS

CHOOSING A LOCATION: To ensure optimal operation and ongoing performance of the system, the

following guidelines must be met:

Room temperature should not exceed 72°F

Well ventilated

The room should be free of dust and exhaust from other instrumentation

The room should be of low humidity (<40% Relative Humidity)

A stable dedicated power source (extension cords should be avoided)

HANDLING:

Never tilt, tip, or lay the system down. Never move or JAR the unit when running

Never power down the system immediately (run in “STANDBY” for 15 minutes first)

Never block or obstruct the vents; doing so will overheat the system and in some cases cause

permanent damage. Temperature recording devices have been implemented for warranty

purposes

PAGE 4

GETTING STARTED

CONTENTS: Please ensure the following items are present:

AIR COMPRESSOR LIQUEFIER

COMPRESSOR POWER CORD LIQUEFIER POWER CORD

COMPRESSOR DATA CABLE 6FT TEFLON AIR HOSE

PAGE 5

GETTING STARTED

2 3 4

5 6 7 8 9

1. Sensor Values 11. Standby / Run Switch

2. Ready for Dispense 12. Data Link to Air Compressor

3. Temperature LED 13. Soft Reset System

4. Liquefier Internal Level Indicators 14. Test Air Pressure (push and hold)

5. Main Display 15. Dewar Shelf

6. Toggle Sensor Values

7. Dispense Internal Contents to Dewar

8. Start a Defrost (hold 3 seconds)

9. Lock Button (hold 3 seconds to lock)

10.Pressure Gauge

PAGE 6

QUICK SETUP

CONNECTING THE AIR COMPRESSOR TO THE LIQUEFIER:

1. Connect Air Hose from Air Compressor to Liquefier; hand tighten only

2. Connect Air Compressor Data Cable from the Air Compressor to the Liquefier

3. Connect both Power Cables from Air Compressor and Liquefier to suitable wall outlets

4. Turn on Air Compressor and Liquefier

5. Switch the device to “RUN” 11

SETTING THE CLOCK (IF NECESSARY): The clock is factory set, and is displayed when the unit powers

up, followed by the day. Press “RESET” 13 to view the clock at any time. See page 8 if the time or date

are incorrect. The clock is used for automatic maintenance, which takes place at 9pm every Saturday

night.

TESTING THE AIR SUPPLY: With the unit running, press and hold the “Test Air Pressure” button 14 on

the rear of the unit. Over a period of 30 seconds, the “Pressure” 10 should rise to a minimum of 90PSI.

if it doesn’t reach 90PSI, check the Air Hose connections for leaks.

DEFROST: Each time the unit starts up following installation, a power failure, or resetting of the unit, a

90 minute defrost is commenced. This can be cancelled at any time by pressing the “DEFROST” 8

button on the front panel. Subsequent defrosts can be started if required by pressing and holding the

“DEFROST” button for 2-3 seconds.

VIEWING SENSOR VALUES: When the system is not defrosting pressing the “MODE” button 6 will

toggle the sensor value as indicated by the lights 1.

COOLDOWN: Once defrosting has completed, the refrigeration system will become active and will

begin to cool down the Liquefier. This can be monitored by watching the “Cryo Temp”. See Viewing

Sensor Values. When the temperature has reached 77K, cool down is complete and production will

begin. This should take about 30 minutes.

LOCKING AND UNLOCKING: The “LOCK” feature 9 is a security device to stop unwanted dispensing. If

the system is unlocked and the Dewar is in place, dispensing is enabled indicated by the “Ready” light

2. To unlock the Liquefier, first hold down the “LOCK” button 9. While holding the “LOCK” button,

press and hold the “MODE” button 6 simultaneously until the LOCK light goes out. To relock, simply

hold the “LOCK” button 9 until the LOCK light comes on. Note: When locked, the system will produce

internally and stay in the Dewar; it will maintain a full level in the Liquefier until the device is unlocked.

Unlocking can only take place in normal operation.

PAGE 7

FRONT DISPLAY OPERATION

LIQUEFIER TEMPERATURE: The Liquefier temperature is shown either by selecting the “Cryo

Temp” sensor value or by viewing the Temperature Light 3. When the temperature is greater than

77K production is not possible.

Flashing Red: Temperature is greater than 200K

Solid Red: Temperature is greater than 100K

Solid Blue: Temperature is less than 100K

LIQUEFIER LEVEL AND DISPENSES: The four Liquefier Internal Level Indicator lights 4 show the

internal level of the liquefier. If no dispenses are made the system will enter standby mode.

Dispenses can be made into the portable Dewar at any time by pressing and holding the

“Dispense” button 7. During dispensing is the “Dispense” button is released or the Dewar removed

the liquefier is capable of holding 1.2 liters of Liquid Nitrogen, when empties 4 hours will be

necessary before it is completely full again. Flashing sequential lights indicate the unit is in

STANDBY 11.

SETTING THE CLOCK: Each time the unit starts up after a power failure or the “RESET” button 15 is

being pressed, the time is displayed followed by the day. The day is designated by a number

(SUN=1, MON=2, TUES=3, WED=4, THURS=5, FRI=6, SAT=7). To set the clock, press and hold the

“MODE” button 6 and “TRASNFER” button 7 together, then press but do not hold “RESET” 15.

Continue to hold “MODE” and “TRANSFER” buttons until CLC is displayed (this may take some

practice). The time and date will be displayed continuously. To set the time, press “MODE” 6. To

exit setting the time press “RESET” 15.

14.__ To increment, press the “TRASNFER” button 7. Once the correct hour is displayed,

(24hr time) press “MODE” 6 to set the minute.

__.12 To increment, press the “TRANSFER” button 7. Once the correct minute is displayed,

press “MODE” 6 to set the day.

D = 2 To increment, press the “TRASNFER” button 7. Once the correct day is displayed, press

“MODE” 6 to save the new time and date.

The unit will now restart.

PAGE 8

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