T STATION 85 INSTRUCTION MANUAL Ts85

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T-STATION 85 INSTRUCTION MANUAL
Publication Number: D395-94-880
Issue: A
Original Instructions

edwardsvacuum.com

D395-94-880A - Copyright notice

Copyright notice
©Edwards Limited 2017. All rights reserved.

Trademark credits
Edwards and the Edwards logo are trademarks of Edwards Limited.

Associated publications
A746-02-885 Diaphragm Pump - XDD1
A371-32-880 Rotary Vane Pump - E2M0.7 / E2M1.5
B8G0-00-880 Turbomolecular Pumps - nEXT85

Page 2

D395-94-880A - Contents

Contents
Copyright notice.........................................................................................................2
Trademark credits...................................................................................................... 2
Associated publications..............................................................................................2
List of Figures............................................................................................................. 7
List of Tables.............................................................................................................. 8

Safety and compliance

9

Definition of Warnings and Cautions.................................................................................. 9
Safety symbols.................................................................................................................... 9

General description

10

Overview...........................................................................................................................10

Installation

11

Installation safety............................................................................................................. 11
Unpack and inspect.......................................................................................................... 11
Locate the T-Station 85 .................................................................................................... 12
Bench top fixing................................................................................................................ 12
Fill the pump with oil........................................................................................................ 12
Connect to the vacuum system........................................................................................ 13
Connect to the exhaust extraction system....................................................................... 13
Connect the electrical supply........................................................................................... 14
Configure the T-Station 85 ...............................................................................................14
Turbo pump delay.................................................................................................. 14
Connect a vacuum gauge....................................................................................... 15
Commission the installation............................................................................................. 15

Operation

16

Control panel description................................................................................................. 16
Start up............................................................................................................................. 17
Menu structure................................................................................................................. 17
Turbo screen.......................................................................................................... 18
Gauge screen......................................................................................................... 19
Vent valve screen................................................................................................... 20
Turbo setpoint screen............................................................................................ 22
Calibrate gauge screen...........................................................................................23
Units screen........................................................................................................... 24
Gas ballast control (E2M1.5)............................................................................................ 25
Electrical supply failure..................................................................................................... 25

Maintenance

26

Maintenance safety.......................................................................................................... 26
Maintenance plan............................................................................................................. 26
Inspect the hoses, pipelines and connections.................................................................. 27
Factory default settings.................................................................................................... 27

Page 5

D395-94-880A - Contents

Fault finding

28

The T-Station 85 has failed to start...................................................................................28
Ultimate pressure cannot be reached.............................................................................. 28
The backing pump is noisy................................................................................................28
The backing pump is leaking oil........................................................................................ 28
The turbo pump is very noisy or there is excessive vibration or both.............................. 29
Error numbers...................................................................................................................29

Storage

31

Disposal

32

Service

33

Spares

34

Accessories

35

TAV vent valve and vent port adaptor (for nEXT85 turbo pump)..................................... 35
Outlet mist filter(for E2M1.5 rotary vacuum pump)........................................................ 35

Technical Reference

36

Operating and storage conditions.................................................................................... 36
Mechanical data............................................................................................................... 36
Pump performance data...................................................................................................37
Pumped media................................................................................................................. 38
Venting gas specification and vent control data............................................................... 39
Materials exposed to gases pumped................................................................................ 40
Electrical connections....................................................................................................... 40
Electrical data................................................................................................................... 42

Page 6

D395-94-880A - List of Figures

List of Figures
Figure 1: General view of the T-Station 85.................................................................................. 10
Figure 2: Turbomolecular pump start delay with XDD1 diaphragm pump.................................. 15
Figure 3: Front panel display....................................................................................................... 16
Figure 4: Menu structure.............................................................................................................18
Figure 5: Turbo screen................................................................................................................. 19
Figure 6: Gauge screen................................................................................................................ 20
Figure 7: Vent valve screen.......................................................................................................... 21
Figure 8: Turbo setpoint screen................................................................................................... 22
Figure 9: Turbo setpoint number entry mode............................................................................. 23
Figure 10: Calibrate gauge screen............................................................................................... 24
Figure 11: Units screen................................................................................................................ 24
Figure 12: Dimensions - T-Station 85...........................................................................................37
Figure 13: Max allowed rate of pressure rise during venting: pressure against time (pump
initially at full speed).............................................................................................................. 40
Figure 14: Pin connections for 15-way sub-miniature 'D' type socket.........................................41
Figure 15: Pin connections for an 8-way RJ45............................................................................. 42
Figure 16: HS1 Form.................................................................................................................... 43
Figure 17: HS2 Form.................................................................................................................... 44

Page 7

D395-94-880A - List of Tables

List of Tables
Table 1: Checklist of items........................................................................................................... 11
Table 2: Front panel symbols and their functionsl.......................................................................16
Table 3: Menu items.................................................................................................................... 17
Table 4: Turbo screen key actions................................................................................................ 19
Table 5: Gauge screen key actions............................................................................................... 20
Table 6: Vent valve screen........................................................................................................... 21
Table 7: Vent valve screen key actions.........................................................................................21
Table 8: Turbo setpoint screen key actions..................................................................................23
Table 9: Calibrate gauge screen key actions................................................................................ 24
Table 10: Units screen key actions...............................................................................................24
Table 11: Error numbers.............................................................................................................. 29
Table 12: TAV vent valve kits and adaptor................................................................................... 35
Table 13: Outlet mist filter...........................................................................................................35
Table 14: Operating and storage conditions................................................................................ 36
Table 15: Mechanical data........................................................................................................... 36
Table 16: Pump performance data - nEXT85H.............................................................................37
Table 17: Pump performance data - nEXT85D.............................................................................38
Table 18: Vent gas specification and vent control....................................................................... 39
Table 19: Electrical connections.................................................................................................. 40
Table 20: Turbo pump connector pin-out.................................................................................... 41
Table 21: Active gauge connector pin-out................................................................................... 42
Table 22: Electrical data...............................................................................................................42

Page 8

D395-94-880A - Safety and compliance

Safety and compliance
Definition of Warnings and Cautions
Important safety information is highlighted as WARNING and CAUTION instructions; these
instructions must be obeyed.
The use of WARNINGs and CAUTIONs is defined below.

WARNING:
Warnings are given where failure to observe the instruction could result in injury or death
to people. The actual symbol shown varies according to the hazard.

CAUTION:
Cautions are given where failure to observe the instruction could result in damage to the
equipment, associated equipment or process.

Safety symbols
The safety symbols on the products denote areas where care and attention is required.
The following safety symbols may be used on the T-Station 85 or throughout the product
documentation.
Warning/Caution
An appropriate safety instruction should be followed or caution to a potential
hazard exists.
Warning - Dangerous Voltage
Indicates hazards arising from dangerous voltages.
Warning - Hot Surfaces
Indicates that the marked item may be hot and should not be touched
without taking precautions.

Page 9

D395-94-880A - General description

General description
For the general description of the major components used on the T-Station 85, select the
appropriate instruction manual reference against each product type.
Diaphragm pump

XDD1

A746-02-885

Rotary vane pumps

E2M0.7 / E2M1.5

A371-32-880

Turbomolecular pumps

nEXT85

B8G0-00-880

Overview
The T-Station 85 is a small compact fully automatic pumping system which is suitable for a
wide range of vacuum applications.
The T-Station 85 can be supplied with either an XDD1 oil free diaphragm pump or an E2M1.5
rotary vane pump. Both system variants use a nEXT85 turbomolecular pump.
The T-Station 85 is controlled by an easy to use touch pad control module. A single gauge input
included can be connected to a range of Edwards active gauges allowing for pressure
measurement and/or control management of the turbomolecular pump.
The compact size of the T-Station 85 is ideal for use on bench tops or suitable mobile
platforms. The open system configuration allows easy maintenance of the main pump
components.
Figure 1 General view of the T-Station 85

A. Front view (T-Station with E2M1.5 backing pump option)
B. Rear view (T-Station with XDD1 backing pump option)
1.
2.
3.
4.
5.

T-Station control unit
E2M1.5 gas ballast control
Backing pump
Turbomolecular pump inlet
Turbomolecular pump connector

Page 10

6. Vacuum gauge input
7. T-Station fixing points for bench top
mounting
8. T-Station lifting handles
9. Backing pump mains connector
10. Mains input

D395-94-880A - Installation

Installation
Installation safety
WARNING:
Risk of injury or damage to equipment. Follow the safety instructions and take note of all
appropriate precautions.
• When referring to a manual supplied as a Supplementary Publication, all of the
WARNING and CAUTION instructions in the manual must be obeyed.
• A suitably trained and supervised technician must install the T-Station 85.
• Check that all the required parts are available and of the correct type before
commencing work.
• Ensure that the installation technician is familiar with the safety procedures which
relate to the products pumped.
• Wear the appropriate safety clothing when coming into contact with contaminated
components.
• Isolate the other components in the system from the electrical supply so that they
cannot be operated accidentally.
• Do not reuse O-rings and co-seals if they are damaged.
• Dispose of components, grease and oil safely (refer to Disposal on page 32).
• Take care to protect sealing faces from damage.
• Leak testing the system after installation is complete to ensure optimum vacuum
performance is recommended.

Unpack and inspect
1. Remove the outer cover and all packing materials, remove the protective covers from
the inlet and outlet ports, inspect the system for any damage.
2. If the T-Station 85 is damaged, notify the supplier and the carrier in writing within
three days; state the item number of the T-Station 85 together with the order number
and the supplier's invoice number. Retain all packing materials for inspection. Do not
use the pump if it is damaged.
3. Check that the package contains the items listed in Table 1 on page 11. If any of
these items are missing, notify the supplier in writing within three days.
4. If the pump is not to be used immediately, replace the protective covers and store in
suitable conditions as described in Storage on page 31.
Table 1 Checklist of items
Quantity

Description

Check

1

T-Station 85

❏

1

CD instruction manual P450-00-000

❏

1

Ultragrade 15 oil 1 litre (supplied with E2M1.5 only)

❏

1

Inlet seal (either trapped O-ring, co-seal or copper
compression gasket suitable for the inlet flange type)

❏

Page 11

D395-94-880A - Installation

Locate the T-Station 85
WARNING:
Heavy objects can cause muscle strain or back injury. The mass of the T-Station 85 will
differ depending on the model supplied.

WARNING:
The turbo pump used on the T-Station 85 stores a large amount of kinetic energy when it
is running at full speed. In the unlikely event of a malfunction (rotor seizure), the stored
energy could cause a slight movement of the T-Station 85 platform. If the T-Station 85 is
operating on a bench top, taking the following steps is advised: (a) Position the T-Station
85 at least 10-15 cm away from the edge of the bench top and adjacent devices and/or (b)
Tether or fix the T-Station 85 to the bench top, see Bench top fixing on page 12.

CAUTION:
When locating the T-Station 85, care should be taken not to restrict the ventilation grid
located under the base of the system. Failing to observe this may result in overheating of
the turbomolecular pump.

Bench top fixing
There are two M8 fixing points located at the rear of the T-Station 85 base (Figure 1 on page
10, item 7). Using suitable brackets or straps (not supplied), securing the T-Station 85 to the
bench top is recommended to prevent excessive movement in the unlikely event of a pump
failure.

Note:
Straps or brackets cannot be provided as the best type fixing for the customer bench top
location cannot be determined. Sourcing or fabricating these fixings locally is recommended.

Fill the pump with oil
Procedure for filling the pump with the recommended oil.
If the T-Station 85 uses an E2M1.5 rotary vane pump, it must be filled with the correct quantity
of oil (supplied) before operating the equipment. For further information refer to the EM
Rotary Vane Pump manual A371-32-880.
Fill the pump with oil as follows:
1. Remove the oil filler plug.
2. Pour oil into the pump until the oil level just reaches the MAX mark on the bezel at the
top of the sight glass. If the oil level goes above the MAX mark, remove the drain plug
and drain the excess oil from the pump.
3. After a few minutes, recheck the oil level. If the oil level is now below the MAX mark,
pour more oil into the pump.
4. Refit the oil filler plug. Tighten the plug firmly by hand. Do not over tighten.

Page 12

D395-94-880A - Installation

Connect to the vacuum system
WARNING:
Connect the turbo pump inlet to the vacuum system before applying power to the TStation 85. This will ensure that the pump cannot operate accidentally causing injury.

WARNING:
If installing the vacuum system directly onto the T-Station 85, the weight of the system
must be no more than 10 kg and the centre of gravity must be positioned laterally within
the bounds of the base plate. If this is not the case, the vacuum system must be supported
to ensure that the T-Station 85 does not topple.
1. The turbo pump can be securely fixed to the vacuum system via the inlet flange. Make
sure that the pump inlet and all components fitted to the pump inlet are clean and
dust-free. If the pump inlet is not kept clean, the pump down time may be increased.
2. If the pump has a CF flange, use the copper compression gasket supplied with the
pump and use a full complement of bolts to connect the inlet flange of the pump to
the vacuum system.
3. If the pump has an ISO flange, use a minimum of four claw clamps (each torqued to
10 Nm) to connect the inlet flange of the pump to the vacuum system. Alternatively,
use a rotatable collar and the combined inlet screen and trapped O-ring supplied with
the pump to connect the inlet flange of the pump to the vacuum system; use a full
complement of bolts with the rotatable collar.
4. If the pump has an NW flange, use the centring ring supplied with the pump and a
metal NW clamp to connect the inlet flange of the pump to the vacuum system.
5. All inlet flange bolts must be re-tightened once the system is under vacuum. Ensure
that no torques or other forces are transmitted to the pump from the vacuum system
or the associated pipelines.

Connect to the exhaust extraction system
WARNING:
Vent dangerous gases and gas mixtures safely. Do not expose people to these gases. If
pumping hazardous gases or vapours, observe the safety recommendations of the supplier
of the gas/vapour.

Note:
This section applies to E2M1.5 versions only.
The exhaust system must be configured so that the maximum pressure at the pump outlet
does not exceed 0.5 bar gauge (1.5 bar absolute, 1.5 x 105 Pa) at full pump throughput.
1. Make sure that the exhaust pipeline cannot become blocked.
2. If using an exhaust isolation valve, make sure the pump cannot be operated with the
valve closed.

Page 13

D395-94-880A - Installation

Connect the electrical supply
WARNING:
Ensure that the electrical installation of the pump conforms with all local and national
safety requirements. It must be connected to a suitably fused and protected electrical
supply with a suitable earth point.

CAUTION:
Always make the electrical connections to the T-Station 85 after the equipment has been
installed on the vacuum system. Always disconnect the electrical supply from the T-Station
85 before removing the equipment from the vacuum system.
Check that the electrical supply is suitable for this equipment. Refer to Table 22 on page 42
for the electrical requirements for this equipment.
Make the electrical connection to the T-Station 85 using a cable fitted with an IEC60320
connector.
A range of suitable cables is available from the supplier.

Configure the T-Station 85
As supplied from the factory, the T-Station 85 will control the system as follows:
System start is selected:
• The TAV vent valve will close.
• The backing pump will turn on.
• The turbomolecular pump will start accelerating up to full rotational speed.
System off is selected:
• The backing pump will turn off.
• The turbomolecular pump drive will turn off and the pump will start to decelerate.
• The TAV vent valve will open fully from 50% of full rotational speed.

Turbo pump delay
The T-Station 85 can be configured to delay the turbo pump after the backing pump has
started.
Refer to Turbo setpoint screen on page 22. The delay is helpful to prevent the turbomolecular
pump from accelerating under high pressure for a prolonged period if the volume being
pumped is greater than 2 litres. This option is especially useful if the T-Station 85 uses an XDD1
diaphragm pump.
Figure 2 on page 15 shows the recommended delay period for a turbo / XDD1 pump
combination.

*

This operation refers to systems which have been fitted with an Edwards TAV vent valve (optional
accessory). For more vent options refer to Vent valve screen on page 20.
Page 14

D395-94-880A - Installation

Figure 2 Turbomolecular pump start delay with XDD1 diaphragm pump

Connect a vacuum gauge
A single compatible active gauge can be fitted to the T-Station 85.
Fit the gauge using an Edwards active gauge cable into the gauge connector located on the side
of the controller housing (refer to Figure 1 on page 10, item 6). For active gauge control and set
up refer to Gauge screen on page 19.
The following Edwards active gauges are suitable for use with the T-Station 85:
•
•
•
•

APG100 Active Pirani vacuum gauge
APGX-H Active Linear Convection gauge
AIM-X Active Inverted Magnetron gauge
ASG Active Strain gauge

Commission the installation
After installing the T-Station 85, the system must be tested.
Use the following procedure to test the system:
1. Make sure that all the electrical connections are secure.
2. Switch on the electrical supply and the exhaust extraction system (if available).
3. To operate the system press the START/STOP key. Check that the equipment operates
as described in .
4. Check that the turbo pump reaches normal speed. If the pump inlet is valved or
capped off, it should take approximately 100 - 150 seconds for the turbo to reach
normal speed. If a vacuum chamber is attached to the pump inlet, this time may take
longer.
5. To turn OFF the system, press the START/STOP key followed by the ENTER key to
confirm. Check that the equipment closes down as described in .
For full operational details and how to navigate using the front panel control key pad refer to
Menu structure on page 17.

Page 15

D395-94-880A - Operation

Operation
WARNING:
Do not attempt to move the T-Station 85 while the turbo pump is rotating. Doing so may
cause severe damage to the pump and could cause injury.

CAUTION:
To familiarise yourself with the vacuum pumps installed on the T-Station 85, it is advisable
to read the relevant instruction manuals (refer to General description on page 10).

Control panel description
Figure 3 Front panel display

1. Start/ Stop
2. Enter

3. Next

Table 2 Front panel symbols and their functionsl
Key pad symbol

Name

1

START/STOP

Function
Turns the pumps on and off.
Returns to turbo menu screen.

2

ENTER

Selects or confirms current menu option.
Controls active gauges.

3

NEXT

Moves to next menu.
Scrolls through menu options.

The LEDs along the top of the T-Station 85 display indicate which menu screen is currently
being shown on the numeric display. To move to the next menu item press the NEXT key and to
return to the turbo menu screen press the START/STOP key. The available items are listed in
order in Table 3 on page 17.

Page 16

D395-94-880A - Operation

Table 3 Menu items
Turbo screen
Gauge screen
Vent valve screen
Turbo setpoint (TSP) screen
Calibrate gauge screen
Units screen

Start up
When applying power to the T-Station 85 all LEDs in the display will light for 2 seconds to
confirm operation. The software version will then be displayed for a further 2 seconds. If you
need to contact Edwards for support regarding the T-Station 85, please have this software
version number available.

Menu structure
Figure 4 on page 18 shows the view screen shortcuts and menu structure for the T-Station 85
control display. They also give an indication as to where buttons will take you within the menu
layout.

Page 17

D395-94-880A - Operation

Figure 4 Menu structure

Turbo screen
When the turbo screen is selected, the turbo LED is lit and the speed of the turbomolecular
pump is displayed in percentage of full speed.
If no turbo pump is connected the display shows "---".

Page 18

D395-94-880A - Operation

Figure 5 Turbo screen

Start the pump with the turbo screen
When the START/STOP key is pressed, both the turbo and backing pumps start. The display
shows the turbo pump is accelerating by flashing the top left portion of the percentage sign.
When the turbo pump reaches normal speed (>80% default) the percentage sign stops flashing
and remains steady.
If a turbo setpoint (TSP) has been set, only the backing pump starts when the START/STOP key
is pressed. The TSP LED flashes until the setpoint has been reached. Once the setpoint has
been reached the turbo pump starts and the TSP LED turns OFF. If no turbo setpoint has been
set, the TSP LED remains OFF.

Stop the pump with the turbo screen
1. To stop the pumps press the START/STOP key; the display will show "Stop" for three
seconds.
2. Press the ENTER key within that time to stop the pumps. If the ENTER key has not been
pressed, or the START/STOP or NEXT keys are pressed, the display shows the turbo
pump speed and the pumps remain running.
When the turbo pump is decelerating the bottom right portion of the percentage sign
flashes until the pump has completely stopped.

Turbo screen key actions
Table 4 Turbo screen key actions
Keys

Short press

Long press

START

START the turbo, or initialise turbo
STOP sequence, or cancel turbo
STOP, or force turbo STOP when in
error

-

ENTER

Acknowledge turbo STOP

Fault code display when in error

NEXT

Go to gauge screen, or cancel turbo
STOP

Scroll through menu screens

Gauge screen
When the gauge screen is selected, the gauge LED is lit and the gauge pressure reading is
displayed in the selected units.
If no gauge is connected the display shows "---".

Page 19

D395-94-880A - Operation

Connect a gauge
When a gauge is first connected the display shows "ID" followed by a number to identify the
new gauge.
If the gauge is an Active Strain Gauge (ASG), the display then goes to ASG range select,
otherwise the display reverts to showing the pressure reading. If the gauge type is not
supported the display shows "???". When no gauge is connected the display shows "---".
Figure 6 Gauge screen

ASG range select
When an ASG is connected the display changes to select the ASG range. 1000 mbar is assumed
by default, and the display flashes "1.03".
Press the NEXT key to select between 1000 and 2000 mbar, then press the ENTER key to
confirmed the selection.

Gauge ON/OFF control
Gauges which support ON/OFF control (e.g. AIM gauges) can be turned ON and OFF using the
ENTER key.
When first connected the gauge is in the OFF state and the display shows "OFF". When the
gauge is turned on the display will show "Str" whilst the gauge is starting up, and will then
display pressure.

Gauge screen key actions
Table 5 Gauge screen key actions
Keys

Short press

Long press

START

Go to turbo screen

-

ENTER

ON/OFF control of supported gauge
or acknowledge error

-

NEXT

Go to vent control screen

Scroll through menu screens

Vent valve screen
If a TAV solenoid vent valve is connected to the turbo pump podule the operation of the valve
is controlled by the vent valve screen.
When the vent valve screen is selected, the vent LED is lit and the current vent valve control
setting is displayed. The default is "50%". The vent valve screen is not available if the turbo
pump is running.
1. Select the appropriate setting for either normally open or normally closed vent valve.

Page 20

D395-94-880A - Operation

2. To change the vent valve setting press the ENTER key, then use the NEXT key to choose
between 50%, Ctrld and FAN.
3. Press the ENTER key again to confirm the selection.
Table 6 Vent valve screen
50
no
Ctl
no

Normally open vent valves. Vent valve opens fully when the speed of the turbo pump
drops below 50% full rotational speed.
Normally open vent valves. Controlled venting from 100% to 50% full rotational
speed; vent valve opens fully below 50%.

Fan

Normally open vent valves. The vent valve connection on the turbo pump is
permanently powered so that the vent valve will remain closed. This can also be used
to provide power to an air cooler (for example, ACX75).

Off

Normally closed vent valves. The vent valve connection on the turbo pump is
permanently disabled so the vent valve will remain closed.

50

Normally closed vent valves. The vent valve will open when the speed of the turbo
pump has dropped below 50% during stop but not fail conditions.

nc
Ctl
nc

Normally closed vent valves. Controlled venting from 100% to 50% full rotational
speed, vent valve opens fully below 50% during stop but not fail conditions.

Figure 7 Vent valve screen

Vent valve screen key actions
Table 7 Vent valve screen key actions
Keys

Short press

Long press

START

Go to turbo screen

-

ENTER

Enter edit mode, or confirm
selection

-

NEXT

Next vent option, or go to TSP
control screen

Scroll through vent options in edit
mode or scroll through menu
screens

Page 21

D395-94-880A - Operation

Turbo setpoint screen
The turbo setpoint screen is used to configure the start delay of the turbo pump.
When the turbo setpoint screen is selected, the TSP LED is lit and the current setpoint is
displayed. The default is "OFF". The turbo setpoint menu is not available if the turbo pump is
running or the selected units are volts.
1. To change the turbo setpoint press the ENTER key, then use the NEXT key to choose
between off, time delay and pressure setpoint.
2. Press the ENTER key again to confirm the selection.
3. When time delay is selected the display will show the delay time in seconds. The
default time is 120 s. This means that the turbo pump will start after a delay of 120 s
from when the START key is pressed. To change the value of the delay time press and
hold the ENTER key to start number entry mode.
4. If an active gauge is connected to the system the pressure setpoint can be used to start
the turbo pump once the pressure has fallen below the setpoint value. When pressure
is selected the display shows the setpoint pressure. The default pressure is "5.00" mbar
shown as an exponential. To change the pressure setpoint, press and hold the ENTER
key to start number entry mode.

Note:
If the turbo setpoint is set to pressure but a gauge is not connected the turbo pump will not
start.
Figure 8 Turbo setpoint screen

Number entry mode
When the ENTER key is pressed and held on either the time or pressure option, number entry
mode is entered. The first digit starts flashing and the time or pressure can be edited.
1. Press the NEXT key to adjust the value, then press the ENTER key to confirm the digit
and then move on to the second digit, which is adjusted similarly. The ENTER key
confirms the digit and then moves to the final digit of the time setpoint or the
exponent of the pressure setpoint. The exponent of the pressure setpoint is adjusted
as a single value in the range - 10 to + 6.
2. The final press of ENTER confirms the complete number and returns to showing the
setpoint value. The TSP is set after the complete number is entered.

Page 22

D395-94-880A - Operation

Figure 9 Turbo setpoint number entry mode

Turbo setpoint screen key actions
Table 8 Turbo setpoint screen key actions
Keys

Short press

Long press

START

Go to turbo screen

-

ENTER

Enter edit mode, or confirm
selection

Enter number entry mode

NEXT

Next TSP option, next number or go
to gauge calibration screen

Scroll through TSP options in edit
mode, scroll through numbers in
number entry or scroll through
menu screens

Calibrate gauge screen
When the calibrate gauge screen is selected, the gauge LED and the CAL LED are lit together.
The numeric display is blank. The calibrate gauge menu is not available for gauges which do not
support calibration.
When the ENTER key is pressed the action depends on gauge type:
WRG or APGX: The calibration command is sent to the gauge and the display shows "CALd" for
3 seconds.
ASG: The calibration functions as a zero offset adjustment. The pressure currently displayed is
saved as the zero offset and is subtracted from all future readings. The display shows "CALd"
for 3 seconds to confirm the action. The offset adjustment can be cancelled by pressing the
ENTER key again. The display shows "OFF" for 3 seconds to confirm that the offset adjustment
has been removed.

Page 23

D395-94-880A - Operation

Figure 10 Calibrate gauge screen

Calibrate gauge screen key actions
Table 9 Calibrate gauge screen key actions
Keys

Short press

Long press

START

Go to turbo screen

-

ENTER

Calibrate gauge

-

NEXT

Go to units screen

Scroll through menu screens

Units screen
When the units screen is selected, the menu LEDs are unlit and the currently selected units LED
is lit. The numeric display is blank.
To change the units press the ENTER key and use the NEXT key to choose between mbar, Torr,
Pa and voltage. Press the ENTER key again to confirm the selection. Note that when voltage is
selected the display shows " 0.000".
When the units are changed, the setpoint values will be converted to the new units. For
example, if a setpoint threshold is entered as 1.0 x 10-3 mbar and the units are changed to
Torr, then the value will be displayed as 7.5 x 10-4 Torr.
Figure 11 Units screen

Units screen key actions
Table 10 Units screen key actions
Keys

Short press

Long press

START

Go to turbo screen

-

ENTER

Enter edit mode, or confirm
selection

-

NEXT

Next units option, or go to turbo
screen

Scroll through units in edit mode, or
scroll through menu screens

Page 24

D395-94-880A - Operation

Gas ballast control (E2M1.5)
Use the gas ballast control to change the amount of air (or inert gas) introduced into the low
vacuum stage of the pump.
Use of the gas ballast will prevent the condensation of vapours in the pump; the condensates
would contaminate the oil.
Use the gas ballast control (Figure 1 on page 10, item 2) closed:
• to achieve ultimate vacuum
• to pump dry gases.
Turn the gas ballast control six turns anti-clockwise to open it fully.
Use the gas ballast control open:
• to pump high concentrations of condensable vapour
• to pump high concentrations of condensable vapour
When operating the pump with the gas ballast control open, there will be an increased rate of
oil loss from the pump.

Electrical supply failure
WARNING:
Risk of injury or death. If the power supply fails when the pump is running, the impeller
could continue to spin for approximately 10 minutes. The control circuit may not give any
indication that the impeller is still running.
If the electrical supply to the T-Station 85 fails when the turbo pump is rotating, the motor of
the turbo pump is used as a generator. The regenerated power is used to maintain the control
system and the display. The regenerated power is not used to maintain the T-Station 85 control
system or the display.
When power to the control system is lost, no indication will be given about pump rotational
speed, yet the impeller may still be turning.
The system will not restart when the power is reinstated.

Page 25

D395-94-880A - Maintenance

Maintenance
Maintenance safety
WARNING:
Risk of injury or damage to equipment. Follow the safety instructions and take note of all
appropriate precautions.
• When referring to a manual supplied as a Supplementary Publication, all of the
WARNING and CAUTION instructions in the manual must be obeyed.
• A suitably trained and supervised technician must maintain the T-Station 85.
• Allow the system to cool (so that it is at a safe temperature for skin contact) before
starting maintenance work. Make sure the system is switched off in case the thermal
overload device restarts the system.
• Check that all the required parts are available and of the correct type before starting
work.
• Ensure that the maintenance technician is familiar with the safety procedures which
relate to the pump oil and the products processed by the pumping system.
• Isolate the system and other components from the electrical supply so that they
cannot be operated accidentally.
• Do not reuse O-rings and seals if they are damaged.
• Dispose of components, grease and oil safely (refer to Disposal on page 32).
• Protect sealing faces from damage.
• Leak testing the system is recommended after maintenance. Seal any leaks found if any
vacuum or exhaust pipeline connections have been disconnected.

Maintenance plan
WARNING:
If the turbo pump is removed from the T-Station 85 platform, it is important to retain and
reuse the same fixing screws. If any of these screws are lost or cannot be used, the
following type M5 x 12 mm CAP HD high tensile class 12.9 must be used. If this warning is
ignored and the turbo pump seizes, the stored energy in the turbo pump may cause some
or all of the screws to fail. This may result in the turbo pump being ejected from the TStation 85 base.
List of instruction manuals that state the minimum maintenance operations necessary to
maintain the T-Station 85 in normal use:
Diaphragm pump

XDD1

A746-02-885

Rotary vane pumps

E2M0.7 / E2M1.5

A371-32-880

Turbomolecular pumps

nEXT85

B8G0-00-880

More frequent maintenance may be necessary if the T-Station 85 has been used to pump
corrosive or abrasive gases and vapour. If necessary, adjust the maintenance plan according to
your experience.

Page 26

D395-94-880A - Maintenance

Inspect the hoses, pipelines and connections
1. Inspect all of the electrical connections and check that they are secure. Tighten any
loose connections.
2. Inspect all of the electrical cables and check that they are not damaged and have not
overheated. Replace or repair any damaged or overheated cable.
3. Inspect all of the vacuum and exhaust connections and check that they are secure.
Tighten any loose connections.
4. Inspect all of the vacuum and exhaust pipelines and check that they are not corroded
or damaged and that they do not leak. Replace or repair any corroded or damaged
component and seal any leaks found.

Factory default settings
Procedure to return the T-Station 85 to the factory default settings.
1. Remove the mains power from the T-Station 85.
2. Press the NEXT key and hold it down whilst reapplying mains power. Continue holding
down the NEXT key until "Err01" is displayed.
3. Remove and reapply mains power. The factory defaults will now be set.

Page 27

D395-94-880A - Fault finding

Fault finding
The T-Station 85 has failed to start
Cause

The electrical supply fuse has blown.

Remedy
Cause

Replace the fuse. Refer to Table 19 on page 40.
The operating voltage is incorrect.

Remedy

Check the voltage supply matches the T-Station 85 voltage requirements. Refer to the
electrical rating label located at the rear of the T-Station 85.
Ultimate pressure cannot be reached

Cause

Pressure is limited by water vapour.

Remedy
Cause

Bake the chamber or run the system for a duration until the vacuum improves.
The vacuum gauges are contaminated.

Remedy
Cause

Clean or replace the vacuum gauges.
Pumping speed is insufficient due to poor conductance between the pump and the gauge or
the chamber is too large.

Remedy
Cause

Increase the conductance or reduce the volume.
The backing pressure is > 10 mbar (1x103 Pa).

Remedy
Cause

The backing pressure may be too high. Check for backing pipeline leaks. If the throughput is
high, a larger backing pump may be required.
The high vacuum area of the system is contaminated.

Remedy
Cause

Clean the high vacuum system.
Check the rest of the system for leaks and contamination.

Remedy
Cause

If found, repair the leaks and clean the contamination.
The inlet pressure is poor.

Remedy

If inlet pressure is poor, check the turbo pump for contamination and refer to the
Troubleshooting section of the turbo pump manual.
Leak test the pump. If the leak rate > 1x10-7 mbar l s-1 (1x10-5 Pa l s-1), contact the supplier or
Edwards.
The backing pump is noisy

Cause
Remedy

Listed in Fault Finding section of the backing pump manual.
Refer to the Fault Finding section of the backing pump manual. See General description on
page 10.
The backing pump is leaking oil

Cause
Remedy

Listed in Fault Finding section of the backing pump manual.
Refer to the Fault Finding section of the backing pump manual. See General description on
page 10.
Page 28

D395-94-880A - Fault finding

The turbo pump is very noisy or there is excessive vibration or both
Cause
Remedy

Listed in Troubleshooting section of the turbo pump manual.
Refer to the Troubleshooting section of the turbo pump manual. See General description on
page 10.

Error numbers
If an error is detected by the controller the display will show "Err" followed by a number.
Refer to Table 11 on page 29 for a description of the error together with likely causes and
suggested remedies.
Table 11 Error numbers
Error
Number

Meaning

Possible cause/remedy

Controller errors
1

EEPROM error

The internal EEPROM checksum has failed. All user
settings will revert to the factory default.

2

ID reference error

The reference used for identifying gauges is
incorrect. Please remove all connected gauges, turn
the electrical supply off and on, and wait for 30
seconds before reconnecting the gauges.

11

Gauge voltage too high

The voltage from a gauge is too high. The gauge may
be defective.

12

Gauge voltage too low

The voltage from a gauge is too low. The gauge may
be defective.

21

WRG Pirani failure

Errors specific to WRG. Refer to the WRG manual for
details. Press the ENTER key to clear the error from
the display once the fault has been corrected.

22

WRG magnetron short

23

WRG striker fail

24

WRG magnetron not
struck

25

APGX filament failure

26

APGX cal err

27

APGXH tube not fitted

Gauge errors

Errors specific to APGX. Refer to the APGX manual for
details. Press the ENTER key to clear the error from
the display once the fault has been corrected.

Page 29

D395-94-880A - Fault finding

Error
Number

Meaning

Possible cause/remedy

Turbo pump fault

Inspect the LEDs on the turbo pump podule for
status information. For more detailed fault codes,
press and hold the ENTER key (whilst Err41 is
showing) to display the turbo pump system status
word. The lower 16 bits of the status word are
displayed in hexadecimal. Press the START / STOP key
to clear the error message. Refer to the instruction
manual of the turbo pump for detailed fault finding.

Pump errors
41

Page 30

D395-94-880A - Storage

Storage
Use the following procedure to store the T-Station 85.
1. Shut down the T-Station 85 as described in Stop the pump with the turbo screen on
page 19.
2. Isolate the T-Station 85 from the electrical supply and disconnect it from the vacuum
system.
3. Drain the oil from the backing pump (only applicable to the E2M1.5 rotary vane pump)
as described in the instruction manual, (refer to General description on page 10).
4. Place protective covers over the inlet and outlet flanges.
5. For the fastest pump down after the T-Station 85 is reinstalled, seal the
turbomolecular pump inside a plastic bag together with a suitable desiccant.
6. Store the T-Station 85 in cool, dry conditions until required for use.

Page 31

D395-94-880A - Disposal

Disposal
Dispose of the T-Station 85 and any components and accessories safely and in accordance with
all local and national safety and environmental requirements.
Particular care must be taken with any components that have been contaminated with
dangerous process substances.
For instruction on draining the oil from the E2M1.5 rotary vane pump refer to the instruction
manual for the pump. Refer to General description on page 10.

Page 32

D395-94-880A - Service

Service
Note:
Edwards policy is to provide support for product after obsolescence through various options
including maintenance, repair, enhancement and replacement. Support will be available for
several years after product obsolescence and in compliance with any applicable legislation.
Edwards will always undertake appropriate actions to ensure support is maintained and,
where support is no longer possible, will ensure this is communicated to all affected
customers with a suitable notice period.
Edwards products, spares and accessories are available from Edwards companies in Belgium,
Brazil, China, France, Germany, Israel, Italy, Japan, Korea, Singapore, United Kingdom, U.S.A and
a world-wide network of distributors. The majority of these centres employ Service Engineers
who have undergone comprehensive Edwards training courses.
Order spare parts and accessories from the nearest Edwards company or distributor. When
ordering, state for each part required:
• Model and Item Number of the equipment
• Serial number
• Item Number and description of part.
Edwards products are supported by a world-wide network of Edwards Service Centres. Each
Service Centre offers a wide range of options including: equipment decontamination; service
exchange; repair; rebuild and testing to factory specifications. Equipment which has been
serviced, repaired or rebuilt is returned with a full warranty.
Local Service Centres can also provide Edwards engineers to support on-site maintenance,
service or repair of equipment. For more information about service options, contact the
nearest Service Centre or other Edwards company.

Page 33

D395-94-880A - Spares

Spares
CAUTION:
Use of non-Edwards spares may result in reduced reliability and performance and will
invalidate product warranty.
The spares available for the turbo pump and backing pumps are listed in the CD instruction
manuals supplied with your equipment. Refer to General description on page 10.

Page 34

D395-94-880A - Accessories

Accessories
TAV vent valve and vent port adaptor (for nEXT85 turbo pump)
A solenoid operated vent valve is available for system venting.
The valve is a 24 V d.c., normally-open or normally-closed and can be driven by the turbo pump
podule. The solenoid valve is fitted in place of the manual valve, or alternatively can be fitted
with an adaptor (supplied with the valve) and can be used with any suitable NW10 flanged port
on the vacuum system.
Table 12 TAV vent valve kits and adaptor
Description

Item number

nEXT85 TAV5 kit N/C connector fitted (0.3 m)

B8G2-00-835

nEXT85 TAV5 kit N/C bare wire (3 m)

B580-66-040

nEXT85 TAV5 kit N/O connector fitted (0.3 m)

B8G2-00-834

nEXT85 TAV5 kit N/O bare wire (3 m)

B580-66-010

Vent port adaptor NW10 -1/8 inch BSP male

B580-66-011

Outlet mist filter(for E2M1.5 rotary vacuum pump)
The outlet mist filter separates and traps oil droplets in the pump outlet to prevent oil mist
discharge.
For all other accessories such as gauges, active cables and mains leads, refer to the T-Station 85
ordering information in the Edwards product catalogue.
Table 13 Outlet mist filter
Description

Item number

EMF3 outlet mist filter

A462-20-000

Page 35

D395-94-880A - Technical Reference

Technical Reference
Note:
The operating, storage conditions and performance of the T-Station 85 may depend on the
type of backing pump fitted to the T-Station 85; refer to the technical data in the appropriate
supplementary publications as listed in General description on page 10.

Operating and storage conditions
Table 14 Operating and storage conditions
Parameter

Value

Units

Ambient operating temperature range

12 to +40

°C

Ambient storage temperature range

-30 to +70

°C

Maximum operating humidity

maximum 90
condensing at 40

% RH and °C

Maximum operating altitude

2000 maximum

m

Sound level

56

dB(A)

Pollution degree (EN61010)

2

-

1.1 (1.1 x 105)

bar absolute (Pa)

Maximum outlet pressure
- XDD1 pump

1.5 (1.5 x 105)

- E2M1.5 pump
Maximum permitted external magnetic field
(nEXT85 turbo)

5

mT

Mechanical data
Table 15 Mechanical data
Parameter

Data

Dimensions

Refer to Figure 12 on page 37

Degree of protection (to IEC34-5:1981)

IP20

Mass:

17 kg max

- XDD1 combination

21 kg max

- E2M1.5 combination

Page 36

D395-94-880A - Technical Reference

Figure 12 Dimensions - T-Station 85

All measurements indicated are shown in mm (inches)

Pump performance data
Table 16 Pump performance data - nEXT85H
Turbomolecular pump type

nEXT85H ISO63

nEXT85H CF63

nEXT85H NW40

Nitrogen

84 ls-1

84 ls-1

47 ls-1

Helium

78 ls-1

78 ls-1

61 ls-1

Hydrogen

54 ls-1

54 ls-1

49 ls-1

Argon

80 ls-1

80 ls-1

44 ls-1

> 1 E+11

> 1 E+11

> 1 E+11

Helium

2 E+07

2 E+07

2 E+07

Hydrogen

5 E+05

5 E+05

5 E+05

> 1 E+11

> 1 E+11

> 1 E+11

with rotary vane backing pump *

< 5 E-09 mbar

< 5 E-10 mbar

< 5 E-09 mbar

with diaphragm backing pump §

< 5 E-08 mbar

< 5 E-09 mbar

< 5 E-08 mbar

Inlet pumping speed:

Inlet compression ratio:
Nitrogen

Argon
Ultimate pressure:

*
§

Ultimate pressure 48 hours after bakeout with 2-stage rotary vane backing pump.
Ultimate pressure 48 hours after bakeout with backing pressure < 5 mbar (500 Pa).

Page 37

D395-94-880A - Technical Reference

Table 17 Pump performance data - nEXT85D
Turbomolecular pump type

nEXT85D ISO63

nEXT85D CF63

nEXT85D NW40

Nitrogen

84 ls-1

84 ls-1

47 ls-1

Helium

78 ls-1

78 ls-1

61 ls-1

Hydrogen

60 ls-1

60 ls-1

49 ls-1

Argon

80 ls-1

80 ls-1

44 ls-1

> 1 E+11

> 1 E+11

> 1 E+11

Helium

8 E+06

8 E+06

8 E+06

Hydrogen

2 E+05

2 E+05

2 E+05

> 1 E+11

> 1 E+11

> 1 E+11

< 5 E-09 mbar

< 5 E-10 mbar

< 5 E-09 mbar

< 5 E-08 mbar

< 5 E-09 mbar

< 5 E-08 mbar

Inlet pumping speed:

Inlet compression ratio:
Nitrogen

Argon
Ultimate pressure:
with rotary vane backing pump *
with diaphragm pump
*
§

§

Ultimate pressure 48 hours after bakeout with 2-stage rotary vane backing pump.
Ultimate pressure 48 hours after bakeout with backing pressure < 5 mbar (500 Pa).

Pumped media
WARNING:
Vent dangerous gases and gas mixtures safely. Do not expose people to these gases. If
pumping hazardous gases or vapours, observe the safety recommendations of the supplier
of the gas/vapour.

WARNING:
Do not use the pump to pump pyrophoric or explosive gas mixtures as it is not suitable for
this purpose. The pump and its connections are not designed to contain an explosion.

WARNING:
Do not expose any part of the human body to the vacuum as this could result in injury to
or death of people.

CAUTION:
Do not use the pump to pump particulates or condensable media. Deposition may occur
within the pump which will degrade pump performance and reduce the pump life.

Page 38

D395-94-880A - Technical Reference

CAUTION:
Do not use the pump to pump gases containing more than 20% oxygen. This will cause the
lubricant to polymerise and the pump to fail prematurely.

Note:
Concentrations of gases may be modified by the compression of the pump.
The turbo pump is designed to pump the following residual gases normally used in high
vacuum systems:
•
•
•
•
•
•
•
•
•
•
•
•
•

Air
Carbon monoxide
Neon
Ethane
Methane
Nitrogen
Krypton
Argon
Propane
Carbon dioxide
Helium
Hydrogen
Butane

The pump can be used to pump oxygen and water vapour, subject to the following conditions:
• Oxygen - When the pump is purged by an inert gas, oxygen can be pumped at
concentrations above 20% by volume. Refer to the nEXT85 instruction manual
(B8G0-00-880) for purge gas specification. However, if the pump is not purged, the
oxygen concentration must be less than 20% by volume.
• Water vapour - Ensure that vapour does not condense inside the pump.
To pump a gas not in the list above, contact the supplier for advice. Failure to contact the
supplier may invalidate the warranty on the pump. The pump is not suitable for pumping
aggressive or corrosive gases.

Venting gas specification and vent control data
Although the pump may be vented to atmosphere, high relative humidity of the air may greatly
increase the subsequent pump down time. To reduce pump down times the pump should be
vented with dry, clean gases.
Refer to the nEXT85 turbo pump manual (B8G0-00-880) for the vent valve connection. Refer to
Vent valve screen on page 20 for configuring the venting options.
Table 18 Vent gas specification and vent control
Vent gas specification and control

Reference data

Vent gas

Dry air, nitrogen, argon or other inert gases

Maximum dew point at atmospheric pressure -22 °C
Maximum size of particulates

1 μm
Page 39

D395-94-880A - Technical Reference

Vent gas specification and control

Reference data

Maximum concentration of oil

0.1 parts per million

Recommended time for rotational speed to
reach 50%

> 15 seconds

Maximum allowed rate of pressure rise

Refer to

Maximum allowable vent gas supply pressure 1 bar (gauge); 14.5 psig, 2 x 105 Pa

Figure 13 Max allowed rate of pressure rise during venting: pressure against time (pump
initially at full speed)

Materials exposed to gases pumped
The following materials and component types are exposed to the gases pumped:
•
•
•
•
•
•
•
•
•
•
•

aluminium alloys
stainless steels
fluoroelastomer and nitrile O-rings
hydrocarbon lubricant
felt
rare earth magnets
silicon nitride
carbon fibre reinforced epoxy resin
fire retardant polypropylene
polyamide
PVC

Electrical connections
Table 19 Electrical connections
Parameter

Value

Electrical supply (refer to Figure 1 on page 10, item 10)
Inlet plug type

IEC60320

Page 40

D395-94-880A - Technical Reference

Parameter

Value

Integral fuse rating

10 A Type T, 20 mm

Backing pump (refer to Figure 1 on page 10, item 9)
Outlet socket type

IEC60320

Turbomolecular pump (refer to Figure 1 on page 10, item 5)
Connector type

15-way sub-miniature 'D' type socket

Power supply

24 V d.c. nominal

Maximum power rating

4W

Active gauge (refer to Figure 1 on page 10, item 6)
Connector type

RJ45 8-way

Power supply

24 V d.c. nominal

Maximum power rating

4W

Figure 14 Pin connections for 15-way sub-miniature 'D' type socket

Table 20 Turbo pump connector pin-out
Pin

Function

1

Power supply positive

2

Signal common

3

Start signal output

4

RS232 Tx

5

Serial enable output

6

Power supply positive

7

RS232 Rx

8

Power supply common

9

Speed signal input

10

Screen

11

Power supply positive

12

Screen

13

Power supply common

14

Power supply common

15

Normal signal input

Page 41

D395-94-880A - Technical Reference

Figure 15 Pin connections for an 8-way RJ45

Table 21 Active gauge connector pin-out
Pin

Function

1

Power supply positive

2

Power supply common

3

Signal input

4

Identification

5

Signal common

6

Control line 1

7

Control line 2

8

Not connected

Electrical data
If the T-Station 85 uses an E2M1.5, the motor start up current is drawn for less than one
second, so slow-blow fuses must be used to prevent unnecessary fuse failure when the pump
starts. If using the pump at temperatures lower than 12 °C (53.6 °F), the start up current will be
drawn for longer; this may cause the motor thermal overload device to open.
Table 22 Electrical data
Current (A)

Supply Voltage
50/60 Hz

Full load

Power (W)
Start

XDD1 / nEXT85
100

3.1

-

310

120

2.6

-

310

200

1.6

-

310

230

1.35

-

310

E2M1.5 / nEXT85
100

4.7

13.6

470

120

3.92

12.0

470

200

2.2

6.4

430

230

1.9

5.7

430

Page 42

D395-94-880A - Technical Reference

Figure 16 HS1 Form

Form HS1
Return of Edwards Equipment - Procedure
INTRODUCTION
Before returning your equipment, you must warn Edwards if substances you used (and
produced) in the equipment can be hazardous. This information is fundamental to the safety
of our Service Centre employees and will determine the procedures employed to service your
equipment.
Complete the Declaration (HS2) and send it to Edwards before you dispatch the
equipment. It is important to note that this declaration is for Edwards internal use only, and
has no relationship to local, national or international transportation safety or environmental
requirements. As the person offering the equipment for shipment, it is your responsibility to
ensure compliance with applicable laws.

P900-70-000 Issue N

GUIDELINES
• Equipment is 'uncontaminated' if it has not been used, or if it has only been used with
substances that are not hazardous. Your equipment is 'contaminated' if it has been used
with any substances classified as hazardous under the UN Globally Harmonised System on
the classification and labelling of chemicals (GHS), EU Regulation No 1272/2008 on
classification, labelling and packaging (CLP) or US Occupational Safety and Health
regulations (29CFR1910.1200, Hazard Communication).
• If your equipment has been used with radioactive substances, biological or infectious
agents, mercury, polychlorinated biphenyls (PCB’s), dioxins or sodium azide, you must
decontaminate it before you return it to Edwards. You must send independent proof of
decontamination (for example a certificate of analysis) to Edwards with the Declaration
(HS2). Phone Edwards for advice.
• If your equipment is contaminated, you must either:
• Remove all traces of contamination (to the satisfaction of laws governing the
transportation of dangerous/hazardous substances).
• Or, properly classify the hazard, mark, manifest and ship the equipment in accordance
with applicable laws governing the shipment of hazardous materials.
Note: Some contaminated equipment may not be suitable for airfreight.
PROCEDURE
1. Contact Edwards and obtain a Return Authorisation Number* for your equipment.
2. Complete the Return of Edwards Equipment - Declaration (HS2).
3. If the equipment is contaminated, you must contact your transporter to ensure that you
properly classify the hazard, mark, manifest and ship the equipment, in accordance with
applicable laws governing the shipment of contaminated/hazardous materials. As the
person offering the equipment for shipment, it is your responsibility to ensure compliance
with applicable law. Note: Equipment contaminated with some hazardous materials,
such as semiconductor by-products, may not be suitable for airfreight - contact your
transporter for advice.
4. Remove all traces of hazardous gases: pass an inert gas through the equipment and any
accessories that will be returned to Edwards. Where possible, drain all fluids and
lubricants from the equipment and its accessories.
5. Seal up all of the equipment's inlets and outlets (including those where accessories were
attached) with blanking flanges or, for uncontaminated product, with heavy gauge tape.
6. Seal equipment in a thick polythene/polyethylene bag or sheet.
7. If the equipment is large, strap the equipment and its accessories to a wooden pallet. If
the equipment is too small to be strapped to a pallet, pack it in a suitable strong box.
8. E-mail via scan, fax or post a copy of the original with signature of the Declaration (HS2)
to Edwards. The Declaration must arrive before the equipment.
9. Give a copy of the Declaration (HS2) to the transporter. You must tell your transporter if
the equipment is contaminated.
10. Seal the original Declaration in a suitable envelope: attach the envelope securely to the
outside of the equipment package, in a clear weatherproof bag.
WRITE YOUR RETURN AUTHORISATION NUMBER* CLEARLY ON THE OUTSIDE OF THE
ENVELOPE OR ON THE OUTSIDE OF THE EQUIPMENT PACKAGE.
* not applicable in Japan

Page 43

D395-94-880A - Technical Reference

Figure 17 HS2 Form

Form HS2
Return of Edwards Equipment – Declaration

Return Authorisation Number:

You must:
• Know about all of the substances which have been used and produced in the equipment before you complete this Declaration
• Read the Return of Edwards Equipment – Procedure (HS1) before you complete this Declaration
• Contact Edwards to obtain a Return Authorisation Number and to obtain advice if you have any questions
• Send this form to Edwards before you return your equipment as per the procedure in HS1

SECTION 1: EQUIPMENT
Manufacturer's Product Name _________________________
Manufacturer's Part Number ___________________________
Manufacturer's Serial Number _________________________
Has the equipment been used, tested or operated?
YES, Used or operated  Go to Section 2
YES, Tested, but not connected to any process or
production equipment, and only exposed to Nitrogen,
Helium or Air Go to Section 4
NO Go to Section 4

IF APPLICABLE:
Tool Identification Number ___________________________
Tool Manufacturer/OEM ______________________________
Tool Model _________________________________________
Process ___________________________________________
Installed Date ____________ De-installed Date ___________
Part Number of Replacement Equipment _______________
Serial Number of Replacement Equipment ______________
Pump datalog attached? YES  NO 

(Edwards Internal Use Only)

SECTION 2: SUBSTANCES IN CONTACT WITH THE EQUIPMENT
Are any substances used or produced in the equipment:
•

•

Radioactive, biological or infectious agents, mercury,
poly chlorinated biphenyls (PCBs), dioxins or
sodium azide? (if YES, see Note 1)
YES  NO 
Hazardous to human
health and safety?
YES  NO 

Note 1: Edwards will not accept delivery of any equipment
that is contaminated with radioactive substances, biological/
infectious agents, mercury, PCB’s, dioxins or sodium azide,
unless you:
• Decontaminate the equipment
• Provide proof of decontamination
YOU MUST CONTACT EDWARDS FOR ADVICE BEFORE YOU RETURN
SUCH EQUIPMENT

SECTION 3: LIST OF SUBSTANCES IN CONTACT WITH THE EQUIPMENT
Chemical
Symbol

Substance name

Precautions required (for example,
use protective gloves, etc.)

Action required after a spill,
leak or exposure

SECTION 4: RETURN INFORMATION
Reason for return and symptoms of malfunction: ________________________________________________________________
__________________________________________________________________________________________________________
For how many hours has the product run? ___________ Do you wish to purchase a full Failure Analysis report? YES  NO 
If you have a warranty claim:

•

who did you buy the equipment from? __________________________________________

• give the supplier’s invoice number ____________________________________________

SECTION 5: DECLARATION
Print your name: _________________________________ Print your job title: ____________________________________
Print your organisation: ____________________________________________________________________________________
Print your address: _____________________________________________________________________________________

I have made reasonable enquiry and I have supplied accurate information in this Declaration. I have not withheld any
information, and I have followed the Return of Edwards Equipment – Procedure (HS1).
Signed: _____________________________________

Page 44

Date: ____________________

Note: Please print out this
form, sign it and return the
signed form as hard copy.

P900-71-000 Issue N

_____________________________________________________________________________________________________
Telephone number: ___________________________ Date of equipment delivery: ____________________________________

© Edwards Limited . All rights reserved
Edwards and the Edwards logo are trademarks of Edwards Limited

edwardsvacuum.com



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