87-900-806-01 (F)
MAY 2005
INSTRUCTION MANUAL
Turbo-V
Vent Device
Model 969-9831
vacuum technologies
Turbo-V Vent Device
INSTRUCTION FOR USE...................................................................................................1
TECHNICAL INFORMATION.............................................................................................. 2
GENERAL................................................................................................................................................ 2
Vent Control Unit...........................................................................................................................
2
Vent Valve.....................................................................................................................................
2
VENT DEVICE SPECIFICATIONS..........................................................................................................3
Control Unit....................................................................................................................................
3
Vent Valve.....................................................................................................................................
3
TURBO-V VENT DEVICE OUTLINE....................................................................................................... 3
CONTROL UNIT INSTALLATION...........................................................................................................4
VENT VALVE INSTALLATION................................................................................................................ 4
OPERATION............................................................................................................................................ 4
TIME SETTING........................................................................................................................................ 5
VENT CONTROL UNIT DESCRIPTION .................................................................................................6
Power Circuit .................................................................................................................................
6
Protection Circuit...........................................................................................................................
6
Timer Circuit ..................................................................................................................................
6
TURBO-V VENT DEVICE REPLACEMENT PARTS .............................................................................. 7
INSTRUCTIONS FOR USE
87-900-806-01 (F)1
GENERAL INFORMATION
Operators and service personnel must be aware of all
hazards associated with this equipment. They must
know how to recognize hazardous and potentially
hazardous conditions, and know how to avoid them.
The consequences of unskilled, improper, or careless
operation of the equipment can be serious.
This product must only be operated and maintained by
trained personnel. Every operator or service person
must read and thoroughly understand operation/
maintenance manuals and any additional information
provided by Varian.
All warnings and cautions should be read carefully and
strictly observed. Address any safety, operation, and/or
maintenance questions to your nearest Varian office.
The following format is used in this manual to call
attention to hazards:
!
Warning are used when failure to observe instructions
or precautions could result in injury or death.
CAUTION
Warning Cautions are used when failure to observe
instructions could result in damage to equipment,
whether Varian supplied or other associated
equipment.
NOTE
Information to aid the operator in obtaining the best
performance from the equipment.
TURBO-V VENT DEVICE DESCRIPTION
The 969-9831 Turbo-V vent device, consisting of a vent
control unit and a vent valve, is a complete unit suitable
for automatic venting of the Turbo-V pump when it is
switched off or during a power failure switch (refer to
the following figure).
The Vent device is powered by the Turbo-V controller
and a battery back-up capability is built in.
The vent control unit is provided with a delay time to
avoid undesired venting during a temporary power
failure and to allow closure of the system valves before
venting. A second setting is also provided to control the
venting time to atmosphere.
The Turbo-V pump must be vented when it is shut
down to prevent the forepump oil from contaminating
the Turbo-V and the connected chamber.
Vent Valve and Control Unit
The 969-9831 Turbo-V vent device consists of:
− 03-660270 vent control unit
− 03-661835-02 vent valve
WARNING!
TECHNICAL INFORMATION
87-900-806-01 (F)2
GENERAL
The 969-9831 Turbo-V vent device, consisting of a vent
control unit and a vent valve, is a complete unit suitable
for automatic venting of the Turbo-V pump when it is
switched off or during a power failure switch (refer to the
following figure).
The Vent device is powered by the Turbo-V controller
and a battery back-up capability is built in.
Vent Valve and Control Unit
The 969-9831 Turbo-V vent device consists of:
− 03-660270 vent control unit
− 03-661835-02 vent valve
Vent Control Unit
The vent control unit is powered by the Turbo-V
controller (120 Vac, 50/60 Hz) via the power
interconnecting connector. The vent control unit is
provided with 4 rubber feet at the bottom and it is not
suitable for rack mounting. Two LEDs indicate when the
mains is supplied (yellow LED) and when the valve is
open (red LED).
When the supply voltage is present (Turbo-V pump ON),
relay RL1 allows the integral battery to be recharged,
then the timer circuits are inhibited and reset. When the
Turbo-V is shut off, RL1 still remains energized and the
delay timer counter starts.
After the pre-set delay time, the valve opens and the
venting time count starts. At the end of the venting time,
relay RL1 de-energizes and the battery is disconnected.
The battery is protected against short circuits.
Depth of discharge and the charging cycle are a function
ambient temperature. At high temperatures the battery
capacity increases while it decreases at low
temperatures.
Vent Valve
The vent valve consists of a small normally-closed
straight through, electromagnetically-actuated and viton-
sealed valve with an NW 10 KF flange on the high
vacuum port and a filter or adapter tube 1/4” on the air
entrance port. The valve closes under control of a
metallic spring and opens when power is supplied to the
valve electromagnet.
NOTE
A riffled nozzle is provided for use in lieu of the sintered
filter when the Turbo-V pump is vented by the dry gas
bottle (line).
TECHNICAL INFORMATION
87-900-806-01 (F)3
VENT DEVICE SPECIFICATIONS
Control Unit
Input: voltage
frequency
power
fuse
120 V ±10%
50 to 60 Hz
8 VA
T315 (mA)
Output: voltage
power (max)
22.5 Vdc ±3%
1.2 W
Delay time Factory set to 15 seconds
(adjustable up to 36 minutes)
Venting time Factory set to 3 minutes
(adjustable up to 36 minutes)
Operating
temperature
0 to 40 °C
(32 °F to 104 °F)
Storage temperature -20 °C to + 50 °C
(-4 °F to +122 °F)
Connecting cables
Input line
Output to valve
1.5 metres long,
two-conductor wire
5 metres long,
two conductor wire
Weight 1.3 Kg (2.9 lbs)
Vent Valve
High vacuum flange NW 10 KF
Gas entrance Riffled nozzle 4.8 mm
(0,19") O.D./Tube 1/4”
Orifice size 1.2 mm (0.05")
Pressure range
10
-6
mbar to 1bar
(10
-7
Torr to atm)
Leak rate
1x10
-7
mbar l/s
Life cycle One million cycles
Input: voltage
power
24 Vdc +10% -5%
1 W
Bakeout temperature 60 °C (140 °F)
Mounting position Any
Weight 120 gr (0.27 Ibs)
TURBO-V VENT DEVICE OUTLINE
The outline dimensions for the Turbo-V Vent Device are shown in the following figure.
49.0
24.0
43.5
109
189
59
Turbo-V Vent Device Outline
Dimensions millimeters
TECHNICAL INFORMATION
87-900-806-01 (F)4
CONTROL UNIT INSTALLATION
Place the control unit free standing near the Turbo-V
controller and connect the 1.5 metres long supply cable
to the power interconnecting connector (120 Vac vent
valve out, see the relevant Turbo-V controller instruction
manual). Connect the 5 metres long valve cable to the
valve connector ensuring that the positive lead (brown)
is connected to pin 2 and the negative lead (blue) to
pin 1.
NOTE
When first installed or after 6 months of non-use, leave
the control unit under voltage for at least 3 hours in
order to fully recharge the battery before use.
VENT VALVE INSTALLATION
Connect the NW 10 KF port to the chamber or pump
vent port. This port is compatible with an NW 16 KF
flange having an adaptive centering ring.
NOTE
Use the provided filter to prevent the ingress of dust, dirt
or contaminants, when the pump is vented to
atmosphere.
CAUTION
When a dry gas bottle (line) is used, never exceed 1 bar
(15 psig) to the riffled nozzle connection, otherwise a
leak in the Turbo-V pump may occur.
CAUTION
When a dry gas bottle line is used, check the correct
venting time to prevent overpressuring the Turbo-V
pump.
CAUTION
It is strongly recommended to power the vent unit using
the 120 Vac terminal available on the Turbo-V controller
rear panel. This will ensure that it is correctly
sequenced.
NOTE
The Turbo-V vent device has been designed to vent the
Turbo-V pump only. To vent the chamber, it is advisable
to install a suitable vent valve.
OPERATION
When the Turbo-V pump starts, the yellow LED lights,
indicating that the battery is being charged and the set
timers are reset. If the pump is switched off or a power
failure occurs, the yellows LED goes off and the delay
time starts. At the end of delay, the valve (red) LED
lights and the valve opens for the set time. At the end of
the venting time the valve closes, the valve (red) LED
goes off, and the battery is switched off. If during the
delay or venting time the Turbo-V pump is switched on
(even if only for a few seconds) both delay and venting
time are reset.
NOTE
A charged battery is able to supply a minimum of 3
complete venting cycles with the maximum delay and
venting time.
CAUTION
The life of the battery is affected by ambient
temperature. Never exceed the specified operating
temperature and replace the battery every 30 months.
TECHNICAL INFORMATION
87-900-806-01 (F)5
TIME SETTING
!
High voltage present in the control unit can cause
severe injury or death. Service must be carried out only
by qualified and authorized personnel.
Disconnect the vent controller from the power
interconnecting connector on the Turbo-V controller
and remove the top cover of the vent control unit by
undoing the four bottom screws.
Choose the appropriate times, make the appropriate
jumper setting and position the rotary switch (refer to
the following figure). Place only one jumper for each
time and then turn the rotary switch multiplier for the
desired value.
E.g: to set a delay time of 30 seconds and a venting
time of 4 minutes proceed as follows:
− Adjust the delay time rotary switch to 8 and place the
jumper across 1/16 minute.
− Adjust the venting time rotary switch to 8 and place
the jumper across 1/2 minute.
CAUTION
Use the appropriate tool to adjust the time settings to
avoid damages to the rotary switches.
The minimum venting times for each Turbo-V pump
series with the high vacuum flange blanked off and leak
tight, are listed below.
− Turbo-V 60/80 2/16 minute
− Turbo-V 200/250 3/6 minute
− Turbo-V 300 4/16 minute
− Turbo-V 450 7/16 minute
− Turbo-V 1000 0.5 minute
− Turbo-V 1800 1 minute
− Turbo-V 3500 1.5 minutes
− Turbo-V 6000 4 minutes
The minimum venting time is the time needed to reach a
pressure of about 500 mbar (375 Torr) inside the pump
in order to avoid mechanical pump oil backstreaming
and contamination of the Turbo-V pump.
Times Selector
WARNING!
TECHNICAL INFORMATION
87-900-806-01 (F)6
VENT CONTROL UNIT DESCRIPTION
The control unit has three main sections: power circuit,
protection circuit, and time circuit (refer to following
figure).
Power Circuit
The mains voltage is stepped down to 12 Vac, which is
rectified by the full wave bridge rectifier smoothed by
capacitor C1 and regulated by U8.
The output voltage of U8 is adjusted by P3 to 6.9 V and
feeds the battery timer circuit, and U7 which steps up
the voltage at 23 V. The output of U7 adjusted by P2
drives the vent valve.
Protection Circuit
If the leads are shorted together or the vent valve coil is
shorted, transistor Q2 detects the condition and drives
Q1 to deenergize relay RL1 and consequently the
battery is disconnected.
To avoid complete discharge of the battery, a sensor
circuit is provided. When the battery voltage reaches 4.5
V, transistor Q4 is cut off.
Subsequently, relay RL1 deenergizes and the battery is
disconnected.
Even though the battery is designed to accept
overcharging, to avoid thermal runaway problems
caused by overcharging, diodes D7 and D9 are
provided. This circuit allows an automatic adjustment of
the charging voltage in relation to the environment
temperature.
Timer Circuit
Two similar timer circuits are provided, where U5, U4
are the clocks and U3, U2 are the step-down counters
presettable by jumpers and rotary switches.
When the mains voltage is supplied, the step-down
counter U3 is inhibited by a high preset enable signal at
pin 1 and U5 is reset by a positive pulse at pin 6 (master
reset).
When mains is switched off, U3 starts to count down
and at the end of delay removes the enable signal from
pin 1 of U2 that starts the venting time and allows the
vent valve to open.
TECHNICAL INFORMATION
87-900-806-01 (F)7
TURBO-V VENT DEVICE REPLACEMENT PARTS
DESCRIPTION PART NUMBER
Vent valve (complete) 03-661718-02
Gas filter 28-900008-01
Battery 6 V 1Ah 74-103100-01
Relay 6V 72-114110-01
Transformer T1 (120/12V, 8VA) 03-660295
L.E.D. (yellow) LT4223 67-560005
L.E.D. (red) LT4253 67-560004
For a complete overview of Varian's extensive vacuum product line, please refer to the Varian Vacuum Catalogue.
Turbo-V Vent Control Unit Schematic Diagram
Request for Return
1. A Return Authorization Number (RA#) WILL NOT be issued until this Request for Return is completely filled out,
signed and returned to Varian Customer Service.
2. Return shipments shall be made in compliance with local and international Shipping Regulations (IATA, DOT, UN).
3. The customer is expected to take the following actions to ensure the
Safety
of workers at Varian: (a) Drain any oils or
other liquids, (b) Purge or flush all gasses, (c) Wipe off any excess residues in or on the equipment, (d) Package the
equipment to prevent shipping damage, (for Advance Exchanges please use packing material from replacement unit).
4. Make sure the shipping documents clearly show the RA# and then return the package to the Varian location nearest you.
North and South America
Varian Vacuum Technologies
121 Hartwell Ave
Lexington, MA 02421
Phone : +1 781 8617200
Fax: +1 781 8609252
Europe and Middle East
Varian SpA
Via Flli Varian 54
10040 Leini (TO) – ITALY
Phone: +39 011 9979111
Fax: +39 011 9979330
Asia and ROW
Varian Vacuum Technologies
Local Office
CUSTOMER INFORMATION
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TYPE OF RETURN (check appropriate box)
Paid Exchange
Paid Repair
Warranty Exchange
Warranty Repair
Loaner Return
Credit
Shipping Error
Evaluation Return
Calibration
Other ……………….
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Varian Vacuum Technologies CAN NOT ACCEPT any equipment which contains BIOLOGICAL HAZARDS or
RADIOACTIVITY. Call Varian Customer Service to discuss alternatives if this requirement presents a problem.
The equipment listed above (check one):
HAS NOT
been exposed to any toxic or hazardous materials
OR
HAS
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equipment was exposed to, check all categories that apply:
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List all toxic or hazardous materials. Include product name, chemical name and chemical symbol or formula.
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NOTE:
If a product is received at Varian which is contaminated with a toxic or hazardous material that was not disclosed,
the customer
will be held responsible
for all costs incurred to ensure the safe handling of the product, and
is liable
for any harm or injury to Varian
employees as well as to any third party occurring as a result of exposure to toxic or hazardous materials present in the product.
Do not write below this line
Notification (RA)#: ……………………….……….. Customer ID#: ……….…………. Equipment #: ……………………..
Request for Return
FAILURE REPORT
TURBO PUMPS and TURBOCONTROLLERS
POSITION PARAMETERS
Does not start
Noise
Vertical
Power: Rotational Speed:
Does not spin freely
Vibrations
Horizontal
Current: Inlet Pressure:
Does not reach full speed
Leak
Upside-down
Temp 1: Foreline Pressure:
Mechanical Contact
Overtemperature
Other: Temp 2: Purge flow:
Cooling defective …………………. OPERATION TIME:
TURBOCONTROLLER ERROR MESSAGE:
ION PUMPS/CONTROLLERS VALVES/COMPONENTS
Bad feedthrough
Poor vacuum
Main seal leak
Bellows leak
Vacuum leak
High voltage problem
Solenoid failure
Damaged flange
Error code on display
Other
Damaged sealing area
Other
Customer application:
Customer application:
LEAK DETECTORS INSTRUMENTS
Cannot calibrate
No zero/high backround
Gauge tube not working
Display problem
Vacuum system unstable
Cannot reach test mode
Communication failure
Degas not working
Failed to start
Other
Error code on display
Other
Customer application:
Customer application:
PRIMARY PUMPS DIFFUSION PUMPS
Pump doesn’t start
Noisy pump (describe)
Heater failure
Electrical problem
Doesn’t reach vacuum
Over temperature
Doesn’t reach vacuum
Cooling coil damage
Pump seized
Other
Vacuum leak
Other
Customer application:
Customer application:
FAILURE DESCRIPTION
(Please describe in detail the nature of the malfunction to assist us in performing failure analysis):
NOTA: Su richiesta questo documento è disponibile anche in Tedesco, Italiano e Francese.
REMARQUE : Sur demande ce document est également disponible en allemand, italien et français.
HINWEIS: Auf Aufrage ist diese Unterlage auch auf Deutsch, Italienisch und Französisch erhältlich.
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Central coordination through:
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USA
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Italy
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Internet Users:
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Representatives in most countries
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in altre lingue
- English: Varian Turbo-V 969-9831 User manual
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