This Operating Manual Is Applicable for the Following Models s1

N2-Whisper Hybrid

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User Manual

This Operating Manual is applicable for the following models:

· N2-Whisper Hybrid

Ver. 1.00.0100 - 3 -

Table of Contents

1. Version history 3

2. Introduction 4

2.1 FUNCTIONING PRINCIPLE 4

2.2 Symbols Definition 5

3. Safety 6

4. Warning 6

5. Specifications 7

5.1 Technical Specifications 7

5.2 Spare Parts 7

5.3 Separation principle 8

5.4 Parts 9

5.5 Process Diagram 11

6. Installation 12

6.1 Transport 12

6.2 Location 12

6.3 Connecting the unit to the LC-MS 12

7. Operation 13

7.1 Starting the N2-WHISPER HYBRID LC-MS 13

7.2 Stopping the N2-WHISPER HYBRID LC-MS 13

8. Troubleshooting 14

9. Maintenance 15

9.1 Maintenance 15

9.2 Changing the filters 15

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1. Version history

Version / Date / Comment/Change
1.00.0100 / 18th January 2017 / VICI DBS layout, initial release VICI DBS
1.01.0000 / update

2. Introduction

This manual is an integral part of the product. The manual describes the installation and maintenance operations as well as user modes and troubleshooting.

Contents

Read the manual carefully before starting up the N2-Whisper Hybrid LC-MS and familiarize yourself with its contents.

Modifications

Do not make any modifications to the N2-Whisper Hybrid LC-MS unless explicit written permission has been given by the manufacturer. If such modifications are made without the manufacturer’s consent, the manufactures deny any and all responsibility for eventual consequential damage.

Information

All the information in this manual, including drawings, tables, and technical descriptions, remain the property of the manufacturer and may not be used (with the exception of the purposes herein), copied, reproduced, or published without explicit consent.

2.1 FUNCTIONING PRINCIPLE

The N2-Whisper Hybrid LC-MS separates compressed air into nitrogen and oxygen-enriched air. The separation system is based on a special membrane.

The N2-Whisper Hybrid LC-MS generates also filtered and dried air provided by two independent outlets.

2.2 Symbols Definition

Symbol / Description
or / General warning. Caution is necessary when operating the device or control close to where the symbol is placed, or to indicate that the current situation needs operator awareness or operator action in order to avoid undesirable consequences.
The manual must be consulted in all case where this symbol is marked on the device.
or / Risk of asphyxia. Caution is necessary when operating the device in a not sufficiently ventilated area.
or / Oxidant material. Caution is necessary due to the presence of oxidant material.
/ WEEE symbol. When discard this product, it must be sent to separate collection facilities for recovery and recycling.

3. Safety

The N2-Whisper Hybrid is a Nitrogen Generator.

Do not let it run with the outlet open to the air in a low volume room.

The increase of the Nitrogen (and decrease of oxygen) may cause human disease.

It is the responsibility of the user to check if the room is appropriate or if an O2 measurement is necessary.

The N2-Whisper Hybrid reject Oxygen as waste.

Oxygen ratio in the air could change around the device in a low volume or not sufficient ventilated room.

If fuel gases are present around, their explosive or flammable limits could be affected.

It is the responsibility of the user to check if the room is appropriate or if an O2 measurement is necessary.

4. Warning

The quantity of dust in the ambient Air can be very different from one place to another.

We recommend to replace the dust filters every 4000H.

In some dusty area, this maintenance need to be perform more frequently.

Clogged dust filter may damage the device or give a bad Nitrogen quality

If the N2-Whisper Hybrid is used in a way not specified by VICI DBS srl, the protection provided by the equipment could be compromised.

5. Specifications

5.1 Technical Specifications

Pressure of N2 produced
Maximum pressure / 8 bar(g) / 116 psig
Pressure of Air produced
Maximum pressure Air 1 / 4.13 bar(g) / 60 psig
Maximum pressure Air 2 / 6.9 bar(g) / 100 psig
Environmental conditions
Temperature / From 10 to 35 °C / from 50 to 95 °F
Air quality / Normal atmospheric air, relative humidity < 90%
Noisiness / dB(A) < 58
Dimensions and connections
Dimensions (H x W x D) [mm] / 1300 x 480 x 300
Dimensions (H x W x D) [inches] / 51 x 19 x 39
Net weight / 25 kg
Connections / N2 Outlet: G ¼ “ OD 6mm
Air Outlets: G1/8 “ OD 6mm
Parts
N2-WHISPER HYBRID® / 1x N2-WHISPER HYBRID®
1x Manual
1x Tubing for tank connection

A special characteristic of the N2-WHISPER HYBRID LC/MS is the momentary stop of the compressor compartment if the LC/MS is not actually using nitrogen. This momentary stop is regulated by a pneumatic control valve pre-calibrated by VICIDBS to lengthen the life span of the compressors and guarantee the user savings in terms of electric energy.

5.2 Spare Parts

Maintenace kit:

Spare part / Code
Annual Maintenance Kit
· 1x internal filter / Contact your dealer

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5.3 Separation principle

A Compressed air intake
B Hollow fibre membrane
C Separation layer
D Support layer / E Nitrogen output
F Rapid permeation
G Slow permeation

Atmospheric air contains nitrogen (78.1%), oxygen (20.9%), argon (1%), carbon dioxide, water vapour, and other traces of inert gas. The compressed air (A) is forced inside the hollow fibre membrane (B). The various components of the air permeate the porous membrane walls.

The speed of permeation varies from gas to gas:

· Oxygen and water vapour have a high permeation speed and pass quickly through the membrane wall.

· Nitrogen has a slow permeation speed and passes slowly through the membrane wall.

· The resulting nitrogen flow is then forced out of the membrane (E) and used directly.

5.4 Parts

A. Active carbon filter

B. Air Inlet / Coalescent filter

C. Coalescent filter for fine particles.

D. Pressure gauge.

E. Nitrogen outlet (coupling for 6 mm diameter tube).

F. Air outlet (10l max)

G. Air outlet (26l max)

Tank

H. Dryer Column

I. Oxygen vent

J. Membrane

(Some components, showed in the photo, could change in the time)

5.5 Process Diagram

6. Installation

Follow the paragraphs of this chapter to install the N2-Whisper Hybrid LC-MS.

6.1 Transport

ATTENTION:

Transport the N2-Whisper Hybrid LC-MS without tipping it.

Insert the N2-Whisper Hybrid LC-MS in the original packaging to transport it long distances.

6.2 Location

Install the N2-Whisper Hybrid LC-MS in an area with the following characteristics:

· An enclosed (indoor), dry room

· Avoid direct sunlight

· Keep away from sources of heat

· Room with adequate aeration

6.3 Connecting the unit to the LC-MS

ATTENTION:

If you need you can connect a tank/vessel with the generator in series between the generator gas outlet and the gas intake of the LC/MS. (not included)

Check that the tubes connecting the N2-Whisper Hybrid LC-MS and the LC/MS are free from dust, grease, drops of liquid, etc. before making the connection.

Connect the N2-Whisper Hybrid LC-MS and the LC/MS with stainless steel tubes

7. Operation

7.1 Starting the N2-WHISPER HYBRID LC-MS

1. Cut a piece of tubing from Nitrogen Inlet to the Tank. After that connect the other fitting of the tank to the LC/MS or what needs Nitrogen. (remember that the tank is regulated by an exit faucet)

2. Check if the red tap (must to be in LC/MS side of line) in the tank side is in OFF position.

3. Check that both red taps of Air outlets are closed.

4. Open the red tap upstream from the coalescent filter B.

5. The generator is ready to be used.

7.2 Stopping the N2-WHISPER HYBRID LC-MS

Close the red tap upstream from the coalescent filter B or close the taps in every outlet of Nitrogen and Air.

8. Troubleshooting

Error / Possible cause / Possible solution /
Nitrogen flow insufficient or lacking
The internal filters are contaminated / Replace the filters
The N2-WHISPER HYBRID LC-MS is off / Start the N2-WHISPER HYBRID LC-MS
There is a leak in the tube / Check for possible leaks
The nitrogen outlet is obstructed / Check and clear the nitrogen outlet
Oxygen residue too high / The room temperature is less than 10°C / Raise the room temperature
The membrane no longer functions correctly / The membrane column must be replaced

9. Maintenance

9.1 Maintenance

Parts / Action / Frequency
Filters / Replace the internal filters / Annually

9.2 Changing the filters

Turn off the N2-WHISPER HYBRID LC-MS
Close the red tap upstream from the coalescent filter B.
Let the generator depressurize for about 5 minutes.
Remove the cap by pressing the lever (1) and turning it to unscrew it from the main body (2);
Unscrew the seat of the filter cartridge (3);
Replace the filtering element (4) and reassemble the parts in reverse order.

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