Vacuubrand ME 2C NT Manuel utilisateur

page 1 of 75

Chemistry diaphragm pumps

Chemistry vacuum systems

Chemistry pumping units

Instructions for use

Technology for Vacuum Systems

ME 2C NT

ME 4C NT

ME 4C NT + 2 AK

ME 8C NT

ME 8C NT + 2 AK

MZ 2C NT

MZ 2C NT + 2 AK

MZ 2C NT + AK + M + D

MZ 2C NT + AK + EK

MZ 2C NT + AK Synchro + EK

MD 4C NT

MD 4C NT + 2 AK

MD 4C NT + AK + EK

MD 4C NT + AK Synchro + EK

PC 101 NT

PC 201 NT

page 2 of 75

After sales service:

Contact your local dealer or call +49 9342 808-5500.

Dear customer,

Your VACUUBRAND diaphragm pumps are designed to provide you with

many years of trouble-free service with optimal performance. Our many

years of practical experience allow us to provide a wealth of application

and safety information. Please read these instructions for use before the

initial operation of your pump.

VACUUBRAND diaphragm pumps combine our many years of experi

ence in design, construction and practical operation, with the latest de

velopments in material and manufacturing technology.

Our quality maxim is the ”zero defect” principle:

Every diaphragm pump, before leaving our factory, is tested intensively,

including an endurance run of 14 hours. Any faults, even those which oc

After completion of the endurance run, every pump is tested, and must

We are committed to providing our customers only pumps that meet this

high quality standard.

While our pumps cannot eliminate all of your work, we design, manufac

ture and test them to ensure that they will be an effective and trouble-free

tool to assist you in that work.

Yours,

VACUUBRAND GMBH + CO KG

Trademark index:

Peltronic

, VARIO

(US-Reg.No 3,833,788),

VACUUBRAND

(US-Reg.No

3,733,388) and also the shown company logos are registered trademarks

VACUUBRAND GMBH + CO KG in Germany and/or other countries.

page 8 of 75

Contents

Safety information!

.............................................................

Important information!

.........................................................................

General information

............................................................................

Intended use

.......................................................................................

Setting up and installing the equipment

............................................

Ambient conditions

............................................................................

Operating conditions

.........................................................................

Safety during operation

.....................................................................

Maintenance and repair

.....................................................................

Important information: Equipment marking (ATEX)

...................

Technical data

...................................................................

General technical data valid for all pumps/pumping units

.................

Gas inlet temperatures

.....................................................................

Wetted parts

.....................................................................................

Abbreviations

....................................................................................

Pump parts

.......................................................................................

Use and operation

............................................................

Installing a pump in a vacuum system

..............................................

During operation

................................................................................

Important notes regarding the use of gas ballast

..............................

Important notes concerning the operation of the

exhaust waste vapor condenser

........................................................

Shutdown & storage

..........................................................................

Accessories

......................................................................

Troubleshooting

...............................................................

Replacing diaphragms and valves

..................................

Cleaning and inspecting the pump heads

........................................

Replacing the diaphragm

.................................................................

Replacing the valves

........................................................................

Replacing the overpressure safety relief device

...............................

Replacing the fuse

............................................................................

Repair - Maintenance - Return - Calibration

...................

Warranty

............................................................................

Health and safety clearance form

...................................

EC Declaration of Conformity of the Machinery

...............

China RoHS

.......................................................................

page 9 of 75

Safety information!

Important information!

Keep this manual complete and accessible to per

sonnel at all times!

Read this manual carefully before installing or op

erating the equipment. Observe the instructions

contained in this manual.

Do not modify the equipment without authoriza

tion.

This manual is an integral part of the equipment de

scribed therein. It describes the safe and proper use

of the vacuum pump.

Make operating personnel aware of dangers arising

from the pump and the pumped substances.

VACUUBRAND disclaims any liability for inappropri

ate use of these pumps and for damage from failure

to follow instructions contained in this manual.

This manual is only to be used and distributed in its com

plete and original form. It is strictly the users’ responsibility

to check carefully the validity of this manual with respect

to his product.

Manual-no.: 999156 / 07/07/2017

The following signal word panels and safety

symbols are used throughout this manual:

This is the safety alert symbol. It is used to alert you to po

tential personal injury hazards. Obey all safety messages

that follow this symbol to avoid possible injury and death.

NOTICE

page 10 of 75

DANGER indicates a hazardous situation which, if not

avoided,

will

result in death or serious injury.

WARNING indicates a hazardous situation which, if

not avoided,

could

result in death or serious injury.

avoided, could result in minor or moderate injury.

NOTICE is used to address practices not related to

personal injury.

Caution! Hot surface!

Disconnect equipment from AC power.

Formatting used in this manual:

Note

: The signal word panels in all sections of this manual always refer

to all paragraphs of the same format (

signal word panel.

The document ”Safety information for vacuum equipment” is

part of this manual! Read the ”Safety information for vacuum

equipment” and observe the instructions contained therein!

NOTICE

page 11 of 75

General information

Remove all packing material from the packing box. Re

move the product from its packing-box and retain all pack

aging until the equipment is inspected and tested. Re

move the protective caps from the inlet and outlet ports

and retain for future use. Inspect the equipment promptly

and carefully.

If the equipment is damaged, notify the supplier and the

carrier in writing within three days. Retain all packing ma

terial for inspection. State the item number of the product

together with the order number and the supplier’s invoice

number. Failure to check and give notice of damage will

Replace the protective caps, if the equipment is not used

immediately. Store the equipment in dry and non-corrosive

conditions (see also ”Technical data”, pg. 24).

Do not use any damaged equipment.

Intended use

Do not use the pump or any system parts on humans

or animals.

Ensure that the individual components are only con

nected, combined and operated according to their de

sign and as indicated in the instructions for use. Use

only

original manufacturer’s spare parts and ac

cessories

. Otherwise the safety and performance of

the equipment, as well as the electromagnetic compat

ibility of the equipment might be reduced.

The CE mark or the cTÜVus mark may be voided if not

using original manufacturer’s spare parts.

Comply with all notes on correct vacuum and electri

cal connections; see section ”Use and operation”, pg.

38.

NOTICE

page 12 of 75

Do not use the pump to generate pressure.

The pumps are designed for

ambient temperatures

during operation between +50°F and +104°F (+10°C

and +40°C). Periodically check maximum tempera

tures if installing the pump in a cabinet or a housing.

Make sure ventilation is adequate to maintain recom

mended operating temperature. Install an external au

tomatic ventilation system if necessary. If pumping hot

process gases, make sure that the maximum permitted

gas inlet temperature is not exceeded. The maximum

permitted gas inlet temperature depends on several

parameters like inlet pressure and ambient tempera

ture (see ”Technical data”, pg. 24).

Particles and dust must not enter the pump.

Do not pump liquids.

pumped substances prior to operation.

Use the equipment

only as intended

, that is, for genera

tion of vacuum in vessels designed for that purpose. Any

other use will automatically invalidate all warranty and li

ability claims. Remain aware of safety and risks.

Setting up and installing the equipment

Equipment must be connected only to a

suitable elec

trical supply

and a suitable ground point. As such,

the plug must be plugged into an outlet that is properly

grounded. Failure to connect the motor to ground may

result in deadly electrical shock.

an IEC plug or a plug suitable for your local electrical

supply. The cable contains wires color coded as fol

lows: green or green and yellow: ground; blue or white:

neutral; brown or black: hot.

NOTICE

page 13 of 75

Due to the high compression ratio, the pump may gen

erate overpressure at the outlet. Check pressure com

patibility with system components (e.g., exhaust pipe

line or exhaust valve) at the outlet.

Do not permit any

uncontrolled pressurizing

Check the overpressure safety relief device at the ex

haust waste vapor condenser at appropriate intervals.

Keep the electrical power cord away from heated sur

faces.

that the system which you are going to evacuate is

Ensure a stable position of the pump without any me

chanical contact other than the pump feet.

maximum permissible pressures

at in

let and outlet and with

maximum permissible pres

sure differences

between inlet and outlet. See section

”Technical data”, pg. 24. Do not operate the pump

with overpressure at the inlet.

bar absolute) in the event that gas or inert gas is con

nected to the pump, to the gas ballast or to a venting

valve.

Note

: Flexible elements will shrink when evacuated.

pump.

to be sure that the power source and the equipment

match in voltage, phase, and frequency.

voltage selection switch is set correctly. Do not change

the setting of the voltage selection switch while the

pump is connected to AC power. Unplug the pump be

page 14 of 75

fore setting the voltage selection switch.

Note

: If the

pump is switched on with wrong voltage selection, the

motor may be damaged!

coolant outlet pipe

is always free and

that it cannot get blocked. If installing an optional cool

ant valve, it must always be in the supply line of the

exhaust waste vapor condenser.

Make sure ventilation is adequate to maintain recommend

ed operating temperature. Keep a minimum distance of

in (5 cm) between the cooling fan and surrounding items

(e.g., housing, walls, etc.), or else install an external auto

matic ventilation system. Check fan regularly for dust/dirt.

Clean fan guard grill if necessary to avoid a reduction of

ventilation.

Use only hoses at the inlet and outlet of the pump with

an inner diameter at least as large as the diameter of the

pump’s tubing (to avoid overpressure at the outlet, and

reduction of pumping speed at the inlet).

Allow the equipment to equilibrate to ambient temperature

if you bring it from cold environment into a room prior to

operation. Notice if there is water condensation on cold

surfaces.

Secure coolant hoses at the hose nozzles (e.g., with hose

clamp) to prevent their accidental slipping.

Comply with all

applicable and relevant safety require

ments

(regulations and guidelines).

Implement the re

quired actions and adopt suitable safety measures.

Ambient conditions

Do not reach for this product if it has fallen into liquid.

There is a risk of deadly electrical shock. Unplug the

system immediately.

NOTICE

page 15 of 75

Do not use this product in an area where it can fall or

be pulled into water or other liquids.

recommended conditions, e.g., using the equipment

outdoors, installation in higher altitudes, conductive

pollution or external condensation on the pump.

To the best of our knowledge the equipment is in com

pliance with the requirements of the applicable EC-direc

tives and harmonized standards (see ”Declaration of Con

formity”) with regard to design, type and model. Directive

EN 61010-1 gives in detail the conditions under which the

equipment can be operated safely (see also IP degree of

protection, ”Technical data”, pg. 24).

Operating conditions

These pumps are not approved for operation in po

tentially explosive atmospheres.

Do not operate the

pumps in potentially explosive atmospheres.

Pumps

without the

”

mark on the rating plate

are

not approved

for the

pumping of potentially explo

sive atmospheres

Do not pump potentially explo

sive atmospheres

with those pumps.

Pumps

bearing the

”

mark on their rating plates

are

approved for the pumping of potentially ex

plosive atmospheres

tion

IIC T3 X

according to ATEX, but they are

not approved for operation in potentially explosive

atmospheres

(see section „

Important information:

Equipment marking (ATEX)“, pg. 22)

The pumps are

not suitable

to pump any of the sub

stances listed below.

NOTICE

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