Betriebsanleitung • Operating Instructions
Diaphragm Pumps
MVP 035-2
MVP 055-3
MVP 055-3C
PU 0011 BE/J (0609)
Index
Index
1 About this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Proper use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3 Improper use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Transport and storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1 Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.2 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1 Product identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.2 Design and function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.1 Setting up the pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.2 Connecting the vacuum side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.3 Connecting the exhaust side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.4 Connecting to the mains power supply . . . . . . . . . . . . . . . . . . . . . 11
5.5 Retrofitting the gas ballast valve . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.1 Before switching on the pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.2 Switching on the pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.3 Pumping condensable vapors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
6.4 Switching off the pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
7 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.1 Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7.2 Cleaning and replacing diaphragm and valves at MVP 035-2 . . . . 18
7.3 Cleaning and replacing diaphragm and valves at MVP 055-3 . . . . 20
7.4 Cleaning and replacing diaphragm and valves at MVP 055-3C . . . 24
8 Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
8.1 Shutting down for longer periods . . . . . . . . . . . . . . . . . . . . . . . . . . 26
9 Malfunctions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
9.1 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
10 Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
11 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
12 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
13 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
13.1 Substances in contact with the media . . . . . . . . . . . . . . . . . . . . . . 32
13.2 Dimension diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
2
About this manual
1 About this manual
1.1 Validity
This operating manual is for customers of Pfeiffer Vacuum. It describes the functioning of the designated product and provides the most important information for
safe use of the unit. The description follows applicable EU guidelines. All information provided in this operating manual refer to the current state of the product's development. The documentation remains valid as long as the customer does not
make any changes to the product.
Up-to-date operating instructions can also be downloaded from
www.pfeiffer-vacuum.net.
1.2 Conventions
Safety instructions The safety instructions in Pfeiffer Vacuum operating manuals are the result of risk
evaluations and hazard analyses and are oriented on international certification
standards as specified by UL, CSA, ANSI Z-535, Semi-S1, ISO 3864 and DIN 4844.
In this document, the following hazard levels and information are considered:
Pictograph definitions
DANGER
Immediate danger
Death or very severe injuries occur.
WARN ING
Possible danger
Death or injuries may occur.
CAUTION
Possible danger
Medium to slight injuries may occur.
NOTE
Command or note
Command to perform an action or information about properties, the disregarding of
which may result in damage to the product.
Prohibition of an action or activity in connection with a
source of danger, the disregarding of which may result in
serious accidents.
Warning of a displayed source of danger in connection
with operation of the unit or equipment.
3
Safety
Command to perform an action or task associated with a
source of danger, the disregarding of which may result in
serious accidents.
Important information about a product, handling or
applicable part of the documentation to which special
attention should be paid.
☞
Instructions in the
Î Work instruction: here you have to do something.
text
Abbreviations used C version: Corrosive gas version
Symbols used The following symbols are used consistently throughout in all illustrations:
V
Vacuum connection
Exhaust
G
Gas ballast valve
Power connection
2 Safety
2.1 Safety precautions
NOTE
Duty to inform
Each person involved in the installation, operation or maintenance of the vacuum
pump must read and observe the safety-related parts of these operating instructions.
Î The operator is obligated to make operating personnel aware of dangers originating
from the vacuum pump, the pumped medium and the entire system.
• Before pumping dangerous, corrosive or environmentally hazardous media,
take suitable precautions:
– Test the compatibility with substances in contact with the media.
– Prevent the release of process gases and their reaction products and by-pro-
ducts or dispose of them according to the relevant regulations.
– Safety measures (e.g. wearing protective clothing and safety goggles) to pre-
vent inhalation and skin contact.
• Before pumping gases which could form ignitable mixtures, take suitable precautions:
– By implementing the required safety measures, prevent potentially explosive
mixtures from occurring in the housing and from being ignited in the event of
a diaphragm crack by mechanically produced sparks, hot surfaces or static
electricity.
– If necessary, use inert gas for gas ballast supply or ventilation.
• Connect the vacuum pump to a shockproof socket only.
4
Safety
2.2 Proper use
– Use only undamaged network cables which comply with the regulations.
– Make sure that the grounding is neither faulty nor insufficient.
• Do not expose any body parts to the vacuum.
• Observe the safety and accident prevention regulations.
• Check regularly that all safety precautions are being complied with.
• Do not carry out any unauthorised modifications or conversions to the pumps.
• Depending on the operating and ambient conditions, the surface temperature of
the pumps may rise above 70°C. Use suitable finger guards if necessary.
• When returning the pump to us please note the instructions in the Service section.
NOTE
CE conformity
The manufacturer's declaration of conformity becomes invalid if the operator modifies
the original product or installs additional components.
Î Following installation into a plant and before commissioning, the operator must
check the entire system for compliance with the valid EU directives and reassess it
accordingly.
2.3 Improper use
• The vacuum pump may only be used to generate a vacuum.
• Installation, operating and maintenance regulations must be complied with.
• Using accessories not mentioned in this manual is not permitted without authorisation from Pfeiffer Vacuum.
• When pumping gases which could form explosive or ignitable mixtures, take
suitable precautions:
– If necessary, connect inert gas for ventilation or gas ballast supply.
The following are classed as improper use:
Use for purposes which deviate from those described above, in particular:
• Pumping of corrosive gases (with exception of corrosiv gas versions).
• Pumping of explosive media.
• Operation of the pump in potentially explosive areas.
• Pumping of gases containing impurities such as particles, dusts and condensate;
note the vapour compatibility levels of the pump.
• Pumping of substances that tend to sublime.
• Use of the vacuum pump to generate pressure.
• Pumping of liquids.
• Connection to pumps or units which are not suitable for this purpose according
to their operating instructions.
• Connection to units which have touchable and voltage carrying parts.
Improper use of the equipment automatically invalidates all warranty and liability
claims.
5
Transport and storage
3 Transport and storage
3.1 Transport
Transport instructions
Î Remove the locking cap from the vacuum flange immediately before connec-
ting!
Î Use only the handles provided for that purpose to lift the pump.
– Do not use the interhead connections on the top side of the pump to carry the
pump.
3.2 Storage
Fig. 1: Lifting and transporting the pump
Î Check that all the openings on the pump are securely closed.
Î Store the pump in a cool, dry place; preferably at room temperatures (approx.
20°C).
– For a longer period of storage, seal the pump in a PE bag with drying agents
enclosed.
6
Product description
4 Product description
4.1 Product identification
To correctly identify the product when communicating with Pfeiffer Vacuum, always have the information from the rating plate available and use it:
• Pump model and model number
• Serial number
• Date of manufacture
Please find the voltage range and motor-related data on the separately attached
motor rating plate if necessary.
Scope of delivery • Pump with mains power supply (switchable) via rubber socket
• Locking caps for vacuum and exhaust flange
• Operating manual
Differences between
the pump types
Pump type Pump designs
MVP 035-2
MVP 055-3
MVP 055-3C
Standard version:
• G 1/4" elbow union + enclosed hose DN 8 x 1000 mm with a elbow union
in G 1/4" at the end
Standard version:
• G 1/4" elbow union + enclosed hose DN 8 x 1000 mm with a elbow union
in G 1/4" at the end
G 1/4" elbow union + enclosed hose DN 8 x 1000 mm with a elbow union in
G 1/4" at the end
•DN 16 ISO-KF
C version:
• DN 16 ISO-KF / 1/8" NPT
7
Product description
4.2 Design and function
The diaphragm vacuum pumps of the series MVP 055-3/3C are three stage and
those of the MVP 035-2 series are two stage, dry compressor vacuum pumps. That
means that the supplied medium is not brought into contact with lubrication. The
pumps are positive displacement pumps with a periodic change of size of the suction chamber produced by the movement of the diaphragm. The gas flow causes
the valves to open and close automatically. The pump units are directly connected
to the drive motor.
40 N U (E) 2.1
A1 Vacuum connection
2.1 Exhaust (with silencer)
A Diaphragm head 1
B Diaphragm head 2
E Mains power supply
NPower switch
K Capacitor
U Voltage selector switch
23 Hose connection
40 Gas ballast valve
K A1 A 23 B
Fig. 2: MVP 035-2
B 2.1 U N A1
C 23 D E A
A1 Vacuum connection
2.1 Exhaust (with silencer)
A Diaphragm head 1
B Diaphragm head 2
C Diaphragm head 3
D Diaphragm head 4
E Mains power supply
N Power switch
U Voltage selector switch
23 Hose connection
Fig. 3: MVP 055-3
8
Product description
40 28 B U N A1
C D 2.1 E A
Fig. 4: MVP 055-3C
A1 Vacuum connection
2.1 Exhaust
A Diaphragm head 1
B Diaphragm head 2
C Diaphragm head 3
D Diaphragm head 4
E Mains power supply
N Power switch
U Voltage selector switch
28 Hose connection
40 Gas ballast valve
9
Installation
5Installation
5.1 Setting up the pump
Installation location Observe the following requirements when setting up the pump:
• Note the load-bearing capacity of the mounting surface.
• Maximum installation altitude 2000 m (above mean sea level)
• Permissible ambient temperature: +12 ... +40°C
• Maximum relative humidity 85%
Î Always place the pump on a firm, even surface.
– Where stationary installation is involved, anchor the pump on site.
Î When installing the pump in a closed housing, ensure there is sufficient air cir-
culation.
– Voltage and frequency information given on the motor rating plate must be
visible.
– If vacuum pump is installed above 1000 m above mean sea level check com-
patibillity with applicable safety requirements, e.g. DIN EN 61010 (motor may
overheat due to insufficient cooling).
Î Check the hose connections between the individual pumping stages.
– The intake connections of the pumps are marked "IN" and the outlets "Ex" at
the diaphragm heads.
5.2 Connecting the vacuum side
Î Remove locking cap on intake connection and connect vacuum pump to the ap-
paratus.
Î The connection between the pump and the recipient should be kept as short as
possible.
– Depending on the pump type, use metallic hoses or PVC hoses with flange
connections.
– Separators, filters etc. may be installed upstream to protect the pump (see ac-
cessories). However, please observe the loss of pumping capacity due to the
conductivity of the accessories.
5.3 Connecting the exhaust side
High pressure in the exhaust line!
Danger of damage to the seals and danger of the pump bursting.
Î Install the line without shut-off valves on the exhaust side.
Î Pumpe nicht mit Überdruck am Einlass betreiben; max. zulässige Drücke und Druck-
differenzen beachten.
Î Choose the cross-section of the exhaust line to be at least the size of the nominal
connection diameter of the vacuum pump's exhaust connection.
Î Piping to the pump must be suspended or supported.
– Forces from the piping system must not be allowed to act on vacuum pumps.
Î Lay piping from the pump, sloping downward so that no condensate can flow
back into the pump; otherwise fit a condensate separator.
CAUTION
10
Installation
Emission of toxic substances from the exhaust!
Danger of poisoning from emitted gases or vapours, which can be detrimental to
health and/or can pollute the environment, depending on the particular application.
Î Comply with the applicable regulations when working with toxic substances.
Î Only officially approved filter systems may be used to separate out these
substances.
5.4 Connecting to the mains power supply
The pump is driven by single-phase extended voltage range motors with reversible
voltage ranges:
• 230 V range: 200 ... 240 V, 50/60 Hz
• 115 V range: 100 ... 120 V, 50/60 Hz
Excess voltage!
Danger of destroying the motor.
WARN ING
CAUTION
Single-phase extended range motor
Î Power connections must comply with local regulations. Voltage and frequency infor-
mation given on the motor rating plate must correspond to the mains voltage and
frequency values.
Î To protect the motor and supply cable in case of malfunction, mains fuse protection
must be implemented.
Î The mains voltage must be determined on-site each time before the pump is in-
stalled or moved to a different location.
NOTE
Overvoltage!
An incorrect voltage range setting can damage the motor.
Î Disconnect the pump from the power supply.
Î Only change the voltage range on the pump when it is disconnected from the power
mains.
Changing the voltage range
Î Disconnect the pump from the power supply.
Î Set the desired voltage range on the voltage selector switch using a suitable
screwdriver.
11
Installation
115
230
230
115
Switch position: "115" "230"
Voltage ranges: 100 ... 120 V, 50/60 Hz 200 ... 240 V, 50/60 Hz
Motor protection
A self-locking thermal winding protector switches off the pump motor in the event
of overheating.
Î Allow the pump to cool off several minutes and do not switch it back on until it
has cooled off.
Intermittend operation with TC 600 via
relay box (accessory)
Connection of diaphragm pumps in the pumping station according wiring diagram
in operating instructions PT 0030 BN of the Backing Pump Relay Boxes:
L
TC 600
1
2
3
FV Pump
4
Fig. 5: Connection with relay box (PM 041 937 GT) to TC 600
N
PE
PE
N
L´
MVP-Reihe
MVP series
12
Installation
5.5 Retrofitting the gas ballast valve
As an option, the MVP 055-3 can be retrofitted with a gas ballast valve.
Installation
The gas ballast valve may only be installed on membrane head 3.
Î Hollow screw 15 at the outlet (Ex) to membrane head 3 using a SW 17 open-end
wrench.
Î Remove hollow screw 15 and assemble gas ballast valve, seals and spacer (SW
17).
40
D
15
B Membrane head 2
C Membrane head 3
D Membrane head 4
15 Hollow screw
40 Gas ballast valve
C
Fig. 6: Fitting the gas ballast valve
B
13
Operation
6 Operation
6.1 Before switching on the pump
Î Compare the voltage information on the rating plate with the mains voltage.
Î Check that the exhaust connection allows free flow (max. permissible pressure
1.1 bar absolute).
– Activate the shut-off valves in such a way that they open before or at the same
time as the pump is started.
Î Protect the pump sufficiently from taking in contaminants by means of suitable
precautions (e.g. dust filters).
Dangerous overpressure overload!
Mixing up the connections leads to a dangerous overpressure overload in the pump,
and the motor could be damaged.
Î Before commissioning, it is imperative that you ensure that the pressure does rise
above the maximum permissible pressure on the pressure side.
Î Start pumps at a maximum pressure differential of 1 bar between inlet and outlet.
CAUTION
6.2 Switching on the pump
The pump can be switched on in any pressure range.
No special precautions are necessary when pumping dry gases. In order to attain
the lowest possible final pressures, the gas ballast valve should be closed.
The pump attains the stated values for throughput rates and final pressure levels
only once the operating temperature is reached (after approximately 15 minutes).
Î Switch on the pump with the vacuum flange closed and allow to warm up for 15
minutes.
Hot surface!
Danger of burns if hot parts are touched. Depending on the operating and ambient
conditions, the surface temperature of the pump may rise above 70°C.
Î In this case, use suitable finger guards.
6.3 Pumping condensable vapors
Should the process gases contain condensable gases present at high percentages,
the vacuum pump must be operated with a gas ballast (i.e. with an open gas ballast
valve).
CAUTION
14
Operation
WARN ING
Reactive, explosive or otherwise dangerous mixtures!
Uncontrolled gas inlet at the gas ballast valve can result in dangerous mixtures.
Î By implementing the required safety measures, the user must prevent potentially ex-
plosive mixtures from occurring in the inside of the pump and from being ignited in
the event of a diaphragm crack by mechanically produced sparks, hot surfaces or
static electricity.
Î If necessary, use inert gas for ventilation and gas ballast supply.
NOTE
Bad final vacuum and damage to the pump!
Danger of condensation and a reduced final vacuum during operation without a gas
ballast or in case of insufficient supply of flushing gas.
Î Only pump vapors when the pump is warm and the gas ballast valve is open.
Î When the process has been completed, allow the pump to continue running for
about 30 minutes at atmospheric pressure with the gas ballast open.
Gas ballast valve Letting in gas ballast improves the discharge of condensate, and the pump
achieves the specified final vacuum more quickly. The gas ballast valve can be replaced with a flushing gas connection if necessary.
The gas ballast valve is closed when turning to the right to position 0 and open
when turning to the left to position 1. Intermediate settings are not possible.
40 Gas ballast valve
43 Cap
43
40
Fig. 7: Operation with gas ballast valve
Î Open gas ballast valve; to do so, turn cap 43 on the gas ballast valve 40 so that
the two holes line up.
NOTE
The pump achieves the specified values for throughput and final pressure after
the operating temperature has been achieved and with the gas ballast valve
☞
closed.
15
Operation
Installing the flushing
The MVP 055-3C can be equipped with a flushing gas connection as an option.
gas connection
Assembly
Î Disconnect connection line from gas ballast valve.
Î Dismantle gas ballast valve and replace with flushing gas connection piece.
Î Restore connection line and connect inert gas line.
– As a rule, let in dry air or pure nitrogen.
Do not exceed maximum inlet pressure of 1.1 bar (absolute) at the flushing gas
connection!
This can result in damage to the diaphragms.
Î Provide a pressure reducer.
6.4 Switching off the pump
The pump can be switched off in any pressure range.
NOTE
16
Maintenance
7 Maintenance
7. 1 P r e c a u t i o n s
Danger of injury from moving parts!
After power failure or motor shutdown due to overheating, the motor may restart automatically.
Î Secure the motor so that it cannot be switched on while any work is being performed
Î If necessary, dismantle the pump from the installation for inspection.
Pump parts may be contaminated from pumped media!
Danger of poisoning due to contact with harmful substances.
Î Decontaminate the pump before carrying out any maintenance work.
Î In the event of contamination, take suitable safety precautions to prevent your health
WARN ING
on the pump.
WARN ING
from being harmed by any dangerous substances.
The valves and the diaphragms are wear parts. If the rated ultimate vacuum is no
longer achieved, the pump interior, the diaphragms and the valves must be
cleaned and the diaphragms and valves must be checked for cracks or other damage.
Depending on individual cases it may be efficient to check and clean the pump
heads on a regular basis. In case of normal wear the lifetime of the diaphragms and
valves is > 10000 operating hours.
Î Allow the pump to cool to a safe temperature.
Î Only dismantle the pump as far as necessary in order to repair defects.
Î Use only alcohol or similar agents for cleaning pump parts.
Î Restore the original hose connections between the individual pumping stages.
– The intake connections of the pumps are marked "IN" and the outlets "Ex" at
the diaphragm heads.
NOTE
Service work should only be carried out by qualified personal!
Pfeiffer Vacuum is not liable for any damage to the pump resulting from work carried
out improperly.
Î Take advantage of our service training programs from technical training; additional
information at www.pfeiffer-vacuum.net.
Î Please state all the information on the pump rating plate when ordering spare parts.
17
Maintenance
Check list for inspections and maintenance
Certain repair and overhaul work should only be performed by Pfeiffer Vacuum
Service (PV). Pfeiffer Vacuum will be released from all warranty and liability claims
if the required intervals for inspection, maintenance, or overhaul are exceeded or
inspection, maintenance, repair or overhaul procedures are not performed properly. This also applies if replacement parts other than Pfeiffer Vacuum OEM replacement parts are used.
Activity
Check silencer for contamination X
Clean, change valves and diaphragms X
Change silencer X
Depending on the process, the required intervals for inspection and maintenance can exceed the
typical values specified in the table. Please consult Pfeiffer Vacuum if necessary.
daily
as required;
at least once every six months
as required;
at least annually
7.2 Cleaning and replacing diaphragm and valves at MVP 035-2
Cleaning and replacing the valves
Î Allow the pump to cool down before beginning dismantling.
Î Detach the pump from the mains and the pumping system and ensure the motor
cannot get switched on.
Î Unscrew the hose connection between the pump stages by loosening the hol-
low screw with a wrench (size 17).
Î Remove the cheesehead screws 26 (four per membrane head).
Î Remove housing cover G1 with head cover K1 taking care to prevent head cover
falling out of housing cover.
NOTE
Damage to the pump
The two membrane heads have differing head covers K1/K2 and housing covers G1/
G2. Head cover K1 has, on the intake side, and the housing cover G2 has, on the outlet
side, an additional groove in the valve seating.
as required;
at least every 2 years
18
Î When serviceing take care not to interchange these two parts.
Î Check diaphragm pair 10 for damage and replace if necessary.
Î Remove head cover K1 from housing cover G1 to check valve seals 11.
Î Taking care with the position of valve seals 11, remove and check for damage,
and replacing if necessary.
Maintenance
NOTE
Damage to the valve seals
Valve seals can be destroyed by gluing to after wrong installation.
☞
Î Pay attention to the fitting position of the inlet and outlet valve seals. The valve flap
of the valves may not cover the groove in the head and housing cover K/G.
11
Nut/
groove/
rainure
Fig. 8: Position of valve seals in the head cover
Î Clean all parts.
Î Re-assemble pump in reverse order.
Î Check the other membrane head in the same way.
40 A1
2.3 K1
2.1
2.3
11
G1 17 6 4 D 9 10 3 16 K2 G2 26
Fig. 9: MVP 035-2
A1 Vacuum inlet with hose
connection
D Tolerance ring
G1 Housing cover inlet side
G2 Housing cover outlet side
K1 Head cover inlet side
K2 Head cover outlet side
2.1 Silencer
2.3 Sealing ring
3 Diaphragm spring washer
4Con-rod
6 Housing panel
9 Diaphragm support washer
10 Diaphragm pair
Changing the Diaphragm
Î Dismantle membrane heads as described before.
11 Inlet and outlet valve
seal
16 Countersunk screw
17 Countersunk screw
26 Cheesehead screw
40 Gas ballast valve
19
Maintenance
Î Unscrew housing panel 6.
Î Remove screw 16; this screw has been stuck to make secure against loosening.
NOTE
Damage to the pump and reduced final vacuum!
A changed dead centre (TDC) leads in the most unfavorable case to a bearing damage.
Î Check for washers D under diaphragm support washer.
Î Make sure that the original number is reassembled at the individual membrane head.
Î Dismantle diaphragm spring washer 3, diaphragm pair 10 and diaphragm sup-
port washer 9.
– If it is difficult to separate the old diaphragm from support washer 9, apply e.g.
alcohol or petroleum ether.
Assembling ÎWhen existing, re-fit spacers D under the diaphragm support washer 9. Fix in
place with a little grease to prevent them falling down.
Î Put two single diaphragms with their rough side together so that the labelled
side of the two diaphragms are readable.
Î Arrange diaphragm support washer 9, diaphragm pair 10 and diaphragm spring
washer 3 onto screw 16.
Î Place some threadlocker (low strength) under the head of screw 16 and screw in
con-rod 4.
Î Refit head cover, valve seals and housing cover in reverse order, taking care with
the position of valve seals 11.
7.3 Cleaning and replacing diaphragm and valves at MVP 055-3
Cleaning and replacing the valves
Î Allow the pump to cool down before beginning dismantling.
Î Detach the pump from the mains and the pumping system and ensure the motor
cannot get switched on.
Î Unscrew the hose connection between the pump stages by loosening the hol-
low screw with a wrench (size 17).
Î Remove the cheesehead screws 26 (four per membrane head).
Î Remove housing cover G1 ... G4 with head cover K1 ... K4 taking care to prevent
head cover falling out of housing cover.
Î Check diaphragm pair 10 for damage and replace if necessary.
Î Remove head cover K from housing cover G to check valve seals 11.
Î Taking care with the position of valve seals 11, remove and check for damage,
and replacing if necessary.
NOTE
Damage to the valve seals!
Valve seals can be destroyed by gluing to after wrong installation. The inlet valve seal
☞
(11a) of membrane head 4 and the outlet valve seal (11b) of membrane head 3 differ
from all other valve seals.
Î Do not exchange when assembling the membrane heads.
20
Maintenance
11 b
1 ... 4 Membrane heads
11a Inlet valve seal membrane
head 4
11b Outlet valve seal membrane
head 3
3
2
MVP 055-3
1
4
11 a
Fig. 10: Required fitting positions of the valve seals 11
Î Replace both o-rings 12 of the valve seat.
Î Clean all parts.
Î Re-assemble pump in reverse order.
Î Check the other membrane head in the same way.
12
2.3
11 a
11
2.1
K4
26 G4 K4 3 10 9 4 G1 17 6
Fig. 11: MVP 055-3
21
Maintenance
G1 Housing cover membrane head
1
G4 Housing cover membrane head
4
K4 Head cover membrane head 4
2.1 Silencer
2.3 Seal ring
3 Diaphragm spring washer
4 Con-rod
6 Housing panel
9 Diaphragm support
washer
10 Diaphragm pair
11 Inlet and outlet valve
seal (standard)
11a Inlet valve seal membra-
ne head 4
11b Outlet valve seal mem-
brane head 3
12 O-ring
16 Countersunk screw (not
shown in fig.)
17 Countersunk screw
26 Cheesehead screw
Changing the Diaphragms
Depending on the pump type two diaphragm attachments are possible for replacing of diaphragms:
Fig. 12: Diaphragm attachments
design with round hole for
countersunk screw
design with square hole for attachment
by means of form fit (remove the punched part in the centre!)
Diaphragm attachment by means of form fit
Î Use face wrench with universal joint (size 40/4) and turn the diaphragm support
disc 9 from the connecting rod side to remove the diaphragm pair.
Î If the old diaphragm pair 10 is difficult to separate from the support disc 9, im-
merse assembly in alcohol or petroleum ether.
NOTE
Damage to the pump and reduced final vacuum!
A changed dead centre (TDC) leads in the most unfavorable case to a bearing damage.
Î Check for washers D under diaphragm support washer.
Î Make sure that the original number is reassembled at the individual membrane head.
Assembling ÎRemove the punched part in the centre of the diaphragm (only for diaphragm
spring washer with square head socket).
Î When existing, re-fit spacers D under the diaphragm support washer 9. Fix in
place with a little grease to prevent them falling down.
Î Put two single diaphragms with their rough side together so that the labelled
side of the two diaphragms are readable.
Î Position new diaphragm pair 10 between diaphragm spring washer 3 with
square head screw and diaphragm support washer 9; make sure that the square
head screw of the diaphragm clamping disc is correctly seated in the guide hole
of the diaphragm support disc.
Î Use face wrench to assemble diaphragm spring washer, diaphragm pair 10 and
diaphragm support washer 9 (and eventually spacers D) to the con rod 4.
22
Maintenance
Î Adhere the optimum torque of 6 Nm for the diaphragm support washer; the
pointer in the handle of the face wrench with universal joint shows to the longer
marking line.
Î Reassemble housing upper parts and housing plate in reverse order.
Î Performance check of the pump (after reassembling the connection hoses).
6 Nm
Diaphragm attachment with countersunk head screw
Î Dismantle membrane heads as described before.
Î Unscrew housing panel 6.
Î Remove screw 16; this screw has been stuck by threadlocker to make secure
against loosening.
NOTE
Damage to the pump and reduced final vacuum!
A changed dead centre (TDC) leads in the most unfavorable case to a bearing damage.
Î Check for washers D under diaphragm support washer.
Î Make sure that the original number is reassembled at the individual membrane head.
Î Dismantle diaphragm spring washer 3, diaphragm pair 10 and diaphragm sup-
port washer 9.
– If it is difficult to separate the old diaphragm from support washer 9, apply e.g.
alcohol or petroleum ether.
Assembling ÎWhen existing, re-fit spacers D under the diaphragm support washer 9. Fix in
place with a little grease to prevent them falling down.
Î Put two single diaphragms with their rough side together so that the labelled
side of the two diaphragms are readable.
Î Arrange diaphragm support washer 9, diaphragm pair 10 and diaphragm spring
washer 3 onto screw 16.
Î Place some threadlocker (low strength) under the head of screw 16 and screw in
con-rod 4.
23
Maintenance
7.4 Cleaning and replacing diaphragm and valves at MVP 055-3C
Cleaning and replacing the valves
11
Î Allow the pump to cool down before beginning dismantling.
Î Detach the pump from the mains and from the pumping system and ensure the
motor cannot get switched on.
Î Unscrew the hose connection between the pump stages by loosening the hol-
low screw with a wrench (size 17).
Î Remove the cheesehead screws 26 (four per membrane head).
Î Remove housing cover G1 ... G4 with head cover K1 ... K4 taking care to prevent
head cover falling out of housing cover.
Î Check diaphragm 10 (individual part) for damage and replace if necessary.
Î Remove head cover K from housing cover G to check valve seals 11.
Î Taking care with the position of valve seals 11, remove and check for damage,
and replacing if necessary.
Î Clean all parts.
Î Re-assemble pump in reverse order.
Î Check the other membrane head in the same way.
40.2
23
40.1
24
26 G4 11 K4 3 10 9 D 4 4 17 6
Fig. 13: MVP 055-3C
DSpacers
G4 Housing cover membrane head
4
K4 Head cover membrane head 4
3 Diaphragm spring washer
4 Con-rod
6 Housing panel
9 Diaphragm support was-
her
10 Diaphragm (individual
part)
11 Inlet and outlet valve
seal II
16 Countersunk screw
17 Countersunk screw
23 Connecting hose
26 Cheesehead screw
40.1 Gas ballast elbow union
40.2 Rubber cap for 40.1
Changing the Diaphragm on MVP 055-3C
Î Dismantle membrane heads as described before.
Î Unscrew both housing panels 6.
Î Use face wrench with universal joint (size 40/4) and turn the diaphragm support
washer 9 from the con-rod side to remove the diaphragm 10.
Î Remove diaphragm spring washer 3, diaphragm 10 and diaphragm support was-
her 9.
Maintenance
Î If the old diaphragm 10 is difficult to separate from the support washer 9, immer-
se assembly in alcohol or petroleum ether.
NOTE
Damage to the pump and reduced final vacuum!
A changed dead centre (TDC) leads in the most unfavorable case to a bearing damage.
Î Check for washers D under diaphragm support washer.
Î Make sure that the original number is reassembled at the individual membrane head.
Î Fit new diaphragm 10 between diaphragm spring washer 3 and diaphragm sup-
port washer 9.
Î Refit diaphragm 10 with spring washer and support washer in reverse order.
Î Place some threadlocker (low strength) at the thread of diaphragm spring was-
her 3 and screw in con-rod 4 with face wrench.
Î Fit both housing covers 6.
Î To fit the PTFE connecting hose 23, tighten the metal lock nut by hand and then
by a half a turn with an open-end wrench (size 17).
25
Shutdown
8Shutdown
8.1 Shutting down for longer periods
Before shutting down the pump, observe the following procedure and adequately
protect the pump system against corrosion:
Shortly after condensate has formed:
Î Let the vacuum pump continue to run for several minutes with the intake port
open.
Î Should media get into the pump which could corrode the pump materials or
form deposits, clean and check the diaphragm heads.
In the long term: Î Carry out the measures described for brief shutdowns.
Î Disconnect the pump from the equipment.
Î Close the manual gas ballast valve.
Î Close the inlet and outlet opening (e.g. with transport caps).
Î Store the pump in a dry place.
9 Malfunctions
Please note the following instructions should the pump malfunction:
CAUTION
Hot surface!
Danger of burns if hot parts are touched. The surface temperature of the pump may
rise above 105°C in case of malfunction.
Î Carry out work on the pump only after it has cooled to a safe temperature.
NOTE
Motor overload!
Depending on the malfunction (e.g. blocking during cold start), the motor may not be
sufficiently protected by the built-in thermal protection switch from damage through
overheating.
Î Implement an additional network safety device.
26
Malfunctions
9.1 Troubleshooting
Problem Possible causes Remedy
Pump will not start
up
Pump switches off
after a while after
being started
Pump not achieving the end pressure
Pumping speed of
pump too low
Unusual noises
during operation
No mains voltage or voltage
does not correspond to the
motor data
Pump temperature too low Warm up pump to > 12°C
Thermal protection switch of
the motor has responded
Phase failure Check fuse
Diaphragms or valves dirty Clean pump (see p. 17, chap. 7)
Overpressure in the exhaust
lead
Thermal protection switch of
the motor has responded
Mains fuse protection trigge-
red due to overload (e.g. cold
start)
Exhaust pressure too high
Condensate in the pump
Gas ballast valve open Close gas ballast valve
Valves or diaphragms dirty or
defective
Leak in the system Fix leak
Intake line not well-dimensioned
Exhaust pressure too high
Diaphragms or valves defective
Suction chamber dirty Clean suction chamber
Silencer loose or missing Check silencer; replace if necessary
Valves dirty or defective
Motor fan defective Replace motor fan
Connection rod or motor bea-
ring defective
Check mains voltage and mains fuse
protection; check motor switch
Detect and fix cause of overheating;
allow pump to cool off if necessary.
Check exhaust lead
Detect and fix cause of overheating;
allow pump to cool off if necessary.
Warm up pu mp
Check opening of exhaust line and
exhaust accessories
Operate pump for a longer period of
time at atmospheric pressure; if necessary, open the gas ballast valve
Clean or change valves and diaphragms (see p. 17, chap. 7)
Keep connections as short as possible
and see that cross-sections are sufficiently dimensioned
Check opening of exhaust line and
exhaust accessories
Clean or change valves and diaphragms (see p. 17, chap. 7)
Clean or change valves and diaphragms (see p. 17, chap. 7)
Contact Pfeiffer Vacuum Service
NOTE
Service work should only be carried out by qualified personal!
Pfeiffer Vacuum is not liable for any damage to the pump resulting from work carried
out improperly.
Î Take advantage of our service training programs from technical training; additional
information at www.pfeiffer-vacuum.net.
Î Please state all the information on the pump rating plate when ordering spare parts.
27
Service
10 Service
Pfeiffer Vacuum offers first-class service!
• Maintenance/repairs on the spot by Pfeiffer Vacuum field service
• Maintenance/repairs in the nearby service center or service point
• Fast replacement with exchange products in mint condition
• Advice on the most cost-efficient and quickest solution
Detailed information and addresses at: www.pfeiffer-vacuum.net (Service).
Maintenance and repairs in the Pfeiffer Vacuum ServiceCenter
The following steps are necessary to ensure a fast, smooth servicing process:
1)
Î RMA
Î Fill in the RMA form and send it by fax or e-mail to your service address.
Î Enclose the RMA confirmation of receipt from Pfeiffer Vacuum in the shipment.
Î Fill in the contamination declaration and enclose it in the shipment (required!).
Î Dismantle all accessories.
Î Send the pump in its original packaging if at all possible.
form and contamination declaration.
Returning contaminated vacuum pumps
Units which are microbiologically, explosively or radioactively contaminated will
not be accepted by Pfeiffer Vacuum as a matter of principle. Hazardous substances
are substances and compounds in accordance with the hazardous goods directive
(current version). Should pumps be contaminated or the contamination declaration be missing, Pfeiffer Vacuum will decontaminate the pumps at your cost.
Returning contaminated pumps or units
Î Neutralise the pump by flushing it with nitrogen or dry air.
Î Close off all openings so that they are air-tight.
Î Seal the pump or unit in suitable protective film.
Î Only return the pump/unit in a suitable and sturdy transport container.
All service orders are carried out exclusively according to our repair conditions for
vacuum units and components.
28
1)
RMA: Download the return material authorisation
Spare parts
11 Spare pa rt s
Spare part package/
Pump type No. Pieces consisting of
Spare parts
MVP 035-2 PU E22 005 -T 1 10, 11
Set of wearing parts
Silencer
Usit-Dichtring
Hose connection,
complete
Hose, Polyethylene
10 x8 mm
Hose, PTFE MVP 055-3C P 0988 734 1 m
Gas ballast valve MVP 035-2 P 0920 634 E 1 40
Gas ballast elbow
union
Rubber cap for gas
ballast elbow union
Elbow union 1/8 NPT MVP 055-3C P 0920 558 E 1
MVP 055-3 PU E22 006 -T 1 10, 11, 11a, 11b
MVP 055-3C PU E22 007 -T 1 10, 11
MVP 035-2
MVP 055-3 1
MVP 035-2
MVP 055-3 1 (of 30)
MVP 035-2 P 0920 542 E
MVP 055-3 P 0920 410 E
MVP 055-3C P 0920 429 E
MVP 035-2
MVP 055-3
MVP 055-3C P 0996 097 1 40.1
MVP 055-3C P 0996 098 1 40.2
P 0920 412 E
P 3529 143 -C
P 0988 088 1 m
1
1 (of 13)
the parts
2.1
2.3
12 Accessories
Descrition Size / Length Order no.
Mains cable for individual wiring Anschluss an TC 600 and
for connecting to TC 600 via relay box
Mains cable 230 V, with schuko plug, EURO Counter plug
CEE 22
Mains cable 115 V, UL EURO Counter plug CEE 22 2 m PK 050 110
Relaisbox for TC 600 connection PM 041 937 GT
Face wrench with torque pointer 6 Nm 40/4 P 0998 187
Small flange connection with seal ring for MVP 035-2 (for
intake or outlet side)
Small flange connection with seal ring for MVP 055-3 (for
intake side)
Small flange connection with seal ring for MVP 055-3 (for
outlet side)
Gas ballast valve für MVP 055-3 P 0920 634 E
Hose nipple + seal ring for outlet side for MVP 055-3 DN 10 / G 1/4" PK 050 174
Small flange connection with seal ring for MVP 055-3C
(for intake or outlet side)
Flushing gas connector for MVP 055-3C ø 11 mm PK 050 123
Hose nipple for outlet side for MVP 055-3C DN 10 / 1/8 NPT PK 050 175
3 m PK 050 111
2 m PK 050 109
DN 16 ISO-KF PK 050 114 -T
DN 16 ISO-KF PK 050 115 -T
DN 16 ISO-KF PK 050 114 -T
DN 16 ISO-KF P 0920 746 E
Further detailed accessories are contained in the Pfeiffer Vacuum printed Catalogue or the Online Catalogue.
29
Technical Data
13 Technical Data
Technical Data MVP 035-2
Vacuum connection
Exhaust connection G 1/4" + silencer
Volume flow rate at 50 Hz 2.1 m
Volume flow rate at 60 Hz 2.4 m
Final pressure: total without
gas ballast
Final pressure: total with
gas ballast
Intake pressure, max. 1100 mbar
Exhaust pressure, max. 1100 mbar
Leak rate 1·10
Emission sound pressure level
without gas ballast
Max. installation altitude (above
mean sea level)
Ambient and gas temperature,
max.
Protection class IP 54
Overload protection, motor + 160°C
Mains requirement (switchable)
Power switch yes
Nominal rotation speed at 50 Hz 1500 1/min
Nominal rotation speed at 60 Hz 1800 1/min
Motor rating 180 W
Current, max. at
100 ... 120V/60Hz
Current, max. at
200 ... 240V/60Hz
Weight 10.4 kg
G 1/4" elbow union + enclosed hose DN 8 x 1000
mm with a elbow union in
G 1/4" at the end
3
/h
3
/h
≤ 4 mbar
≤ 5 mbar
-1
mbar l/s
49 dB(A)
2000 m
12 - 40 ºC
100-120 / 200 - 240 V,
50/60 Hz
3.8 A
1.8 A
30
Technical Data
Technical Data MVP 055-3 MVP 055-3 C
G 1/4" elbow union + enc-
Vacuum connection
losed hose DN 8 x 1000
mm with a elbow union in
G 1/4" at the end
Exhaust connection G 1/4" + silencer
Volume flow rate at 50 Hz 3.3 m
Volume flow rate at 60 Hz 3.8 m
Final pressure: total without
gas ballast
Final pressure: total with
gas ballast
3
/h 3.0 m3/h
3
/h 3.5 m3/h
≤ 2 mbar ≤ 2 mbar
- ≤ 4 mbar
Intake pressure, max. 1100 mbar 1100 mbar
Exhaust pressure, max. 1100 mbar 1100 mbar
-1
Leak rate 1·10
Emission sound pressure level
without gas ballast
Max. installation altitude (above
mean sea level)
Ambient and gas temperature,
max.
mbar l/s 1 mbar l/s
52 dB (A) 52 dB (A)
2000 m 2000 m
12 - 40 ºC 12 - 40 ºC
Protection class IP 20 IP 20
Overload protection, motor + 160°C + 160°C
Mains requirement (switchable)
100-120 / 200-240 V,
50/60 H
Power switch yes yes
Nominal rotation speed at 50 Hz 1500 1/min 1500 1/min
Nominal rotation speed at 60 Hz 1800 1/min 1800 1/min
Motor rating 200 W 200 W
Current, max. at
100 ... 120V/60Hz
Current, max. at
200 ... 240V/60Hz
4.5 A 4.5 A
2.1 A 2.1 A
Weight 15.8 kg 16.2 kg
DN 16 ISO-KF / 1/8 NPT
Hose connection DN 10 mm /
1/8 NPT
100-120 / 200-240 V,
50/60 H
31
Technical Data
13.1 Substances in contact with the media
Standard version
MVP 035-2 and
MVP 055-3
Corrosive gas version
MVP 055 -3C
Pump components Substances in contact with the media
Diaphragm pair FPM
Diaphragm spring washer Aluminium alloy (Al Si 12)
Head cover Aluminium alloy (Al Si 12)
Valve seals FPM
Housing cover Aluminium alloy (Al Si 12)
Fittings Aluminium alloy, anodised (Al Cu Mg Pb)
Connecting hose Polyethylene
Seals Steel/Elastomer (FPM)
Countersunk screw (diaphragm
spring washer)
Silencer Aluminium/PE
Intake flange (option) Stainless steel
Stainless steel
Pump components Substances in contact with the media
Diaphragm PTFE coated, reinforced Elastomer
Diaphragm spring washer Fluoroplastics (ETFE) coated Aluminium
Head cover Reinforced ETFE
Valve seals Perfluoroelastomer (e. g. Kalrez)
Housing cover, inner part Reinforced PTFE
Fittings Fluoroplastics (ETFE)
Connecting hose PTFE
Hose nipple Fluoroplastics (ETFE)
Intake flange Stainless steel
32
Technical Data
13.2 Dimension diagram
266
213
(H)
177
19317
262
Fig. 14: Dimensions MVP 035-2
281
315 (L)
Fig. 15: Dimensions MVP 055-3
10
15
134
(B)235
188 (H)
134
235 (B)
ca.262
33
Technical Data
72
66
281
(L)321
Fig. 16: Dimensions MVP 055-3C
10
15
188 (H)
134
(B)
241
ca. 265
184
34
Konformitätserklärung
Declaration of Conformity
im Sinne folgender EU-Richtlinien:
pursuant to the following EU directives:
- Maschinen / Machinery 98/37/EG (Anhang/Annex IIA)
- Elektromagnetische Verträglichkeit / Electromagnetic Compatibility 89/336/EWG
- Niederspannung / Low Voltage 73/23/EWG
Hiermit erklären wir, dass das unten aufgeführte Produkt den Bestimmungen der EU-Maschinenrichtlinie
98/37/EG, der EU-Richtlinie über Elektromagnetische Verträglichkeit 89/336/EWG und der EU-Niederspannungsrichtlinie 73/23/EWG entspricht.
We hereby certify, that the product specified below is in accordance with the provision of EU Machinery
Directive 98/37/EEC, EU Electromagnetic Compatibility Directive 89/336/EEC and EU Low Voltage Directive 73/23/EEC.
Produkt/Product:
MVP 035-2, MVP 055-3, MVP 055-3 C
Angewendete Richtlinien, harmonisierte Normen und angewendete, nationale Normen in Sprachen und
Spezifikationen:
Guidelines, harmonised standards, national standards in languages and specifications which have been
applied:
DIN EN ISO 12100-2 DIN EN 61010-1 DIN EN 1012-2 DIN EN 61326
Weitere Zertifizierungen ggf. dem Prüfsiegel auf dem Pumpentypenschild entnehmen.
For other declaration, if applicable, please see the official seal on the rating plate.
Unterschrift / Signature:
Pfeiffer-Vacuum GmbH
Berliner Strasse 43
35614 Asslar
Germany
(W. Dondorf)
Geschäftsführer
Managing Director
Konf. I/2003
Pfeiffer Vacuum Technology AG · Headquarters/Germany
Tel. +49-(0) 64 41-8 02-0 · Fax +49-(0) 64 41-8 02-2 02 · info@pfeiffer-vacuum.de · www.pfeiffer-vacuum.net
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