Cannon DVR Series Installation instructions manual

Instruction & Operation Manual
DVR
Digital
Vacuum
Regulator

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CANNONANNON
ANNONANNON
ANNON
®Digital Vacuum Regulator Instruction & Operation Manual
Version 1.3 — May, 2009; CANNON®Instrument Company
2139 High Tech Road • State College, PA • 16803 • USA
CONTENTS
1DVR INTRODUCTION 1
Overview ............................................................................................................................ 1
Product specifications......................................................................................................... 2
2UNPACKING THE DVR 3
Safety warnings .................................................................................................................. 3
3INITIAL SETUP 5
Tubing connections............................................................................................................. 5
DVR-1000 connections .......................................................................................... 5
DVR-1500 connections .......................................................................................... 6
Vacuum trap............................................................................................................ 6
Electrical connections......................................................................................................... 7
4DVR OPERATION 9
Default settings................................................................................................................... 9
Accessories ......................................................................................................................... 9
Turning on the DVR ........................................................................................................... 9
Meter Display/key control options ..................................................................................... 9
Selecting a channel ................................................................................................. 9
Adjusting the flow rate ..................................................................................................... 10
Bleeding vacuum .............................................................................................................. 11
Adjusting control set points.............................................................................................. 11
Adjusting HI/LO set points .............................................................................................. 12

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CANNONANNON
ANNONANNON
ANNON
®Digital Vacuum Regulator Instruction & Operation Manual
Version 1.3 — May, 2009; CANNON®Instrument Company
2139 High Tech Road • State College, PA • 16803 • USA
5DVR CLEANING AND MAINTENANCE 13
Cleaning............................................................................................................................ 13
Maintenance .....................................................................................................................13
Troubleshooting the DVR .................................................................................... 13
6WARRANTY/RETURN INFORMATION 15
Products limited warranty................................................................................................. 15
Reagent and chemical warranty........................................................................................ 15
Returning a product to CANNON®.................................................................................. 16
AAPPENDIX A —REPLACEMENT PARTS 17
BAPPENDIX B —CALIBRATION OF THE SETRA GAUGE 19
Removing the differential gauge from the DVR .................................................. 20
Reassembling the DVR unit ................................................................................. 21

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CANNONANNON
ANNONANNON
ANNON
®Digital Vacuum Regulator Instruction & Operation Manual
Version 1.3 — May, 2009; CANNON®Instrument Company
2139 High Tech Road • State College, PA • 16803 • USA
CHAPTER
1
DVR INTRODUCTION
Overview
Purpose of the manual
This manual provides information on the installation and operation of
your DVR 1000 Series Digital Vacuum Regulator (DVR). The informa-
tion provided is applicable to all DVR Series instruments listed in the
table on page two.
DVR function
Your CANNON®DVR 1000 Series instrument has been designed to
regulate vacuum at 300 mm Hg below atmospheric pressure. Vacuum may
be adjusted to other settings from 28 to 411 mm Hg. The DVR may be
used with all CANNON®temperature baths including the CT and TE
Series high and low temperature instruments.
Applications
Your DVR may be used in conjunction with the Cannon-Manning cali-
brated CMVC series viscometers, the Modified Koppers Calibrated
MKVC Series viscometers, and the Asphalt Institute Vacuum Calibrated
AIVC series viscometers for measurement of highly viscous materials
such as asphalt cement at 60°C (140°F) per ASTM D 2171 specifications.
Both the Cannon-Manning and the Modified Koppers permit viscosity
measurement from 42 to 200,000 poise. TheAsphalt Institute AIVC
Series 400R and 800R viscom-
eters, also available from
CANNON®, extend that range
to 1,400,000 poise and
5,800,000 poise respectively
(seeASTM D 2171,Table X2).
Your DVR is also useful in other
laboratory systems where
accurate measurement and
control of vacuum from 28 to
330 mm Hg below atmospheric
pressure is required.
Series differences
The DVR-1000 is designed to
regulate the user’s in-house
vacuum system.
The DVR-1500 includes an
internal vacuum pump and does
not require in-house vacuum.
Digital Vacuum Regulator
with CANNON
®CT-1000
Constant Temperature Bath

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CANNONANNON
ANNONANNON
ANNON
®Digital Vacuum Regulator Instruction & Operation Manual
Version 1.3 — May, 2009; CANNON®Instrument Company
2139 High Tech Road • State College, PA • 16803 • USA
Configuration options
The DVR is available from CANNON®in both horizontal and vertical
configurations. With its sturdy steel construction, the horizontal DVR
unit will support any CANNON®CT or TE Series temperature bath. The
vertical configuration offers convenience in locations where work space
is at a premium.
Product specifications
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CANNONANNON
ANNONANNON
ANNON
®Digital Vacuum Regulator Instruction & Operation Manual
Version 1.3 — May, 2009; CANNON®Instrument Company
2139 High Tech Road • State College, PA • 16803 • USA
CHAPTER
2
UNPACKING THE DVR
Unpacking procedure
1. Remove all components from the shipping container(s).
2. Remove any and all packing materials (styrofoam, etc.) from the
components.
3. Verify reception of shipped materials by comparing equipment items
with packing/parts list(s). Report missing items to CANNON®
Instrument Company immediately.
4. Inspect each component for signs of damage. Report damages to the
shipper and to the CANNON®Instrument Company immediately.
Damaged items
Retain all packing materials until the instrument is connected and func-
tioning properly. If any component(s) must be returned to
CANNON® Instrument Company, the damaged item(s) should be pack-
aged in the original shipping container. Refer to the final chapter of this
manual for instructions on returning defective equipment. Customers
outside the United States should contact the local CANNON®agent for
procedures on returning products to CANNON® .
Safety warnings
Please observe the following safety procedures and notices for proper
operation of your DVR unit:
• Make sure that you read and understand all operating instructions
and safety precautions listed in this manual before installing or
operating your unit. If you have questions regarding instrument
operation or documentation, contact CANNON®Instrument
Company.
• Take appropriate precautions when lifting and moving the unit.
• Position the unit on a sturdy table or workbench.
• Provide at least 15 cm (6”) of ventilation space to the rear of the unit.
• Do not turn the power switch on and off rapidly and repeatedly.
• Transport the unit with care. Sudden jolts may damage components.
• Observe all warning labels. Never remove warning labels.
• Always turn off the unit and disconnect the mains cable from the
power source before accessing the electronics drawer or moving the
unit.
• Never operate the equipment with damaged mains power cables.
• Refer all service and repairs to qualified personnel.

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CANNONANNON
ANNONANNON
ANNON
®Digital Vacuum Regulator Instruction & Operation Manual
Version 1.3 — May, 2009; CANNON®Instrument Company
2139 High Tech Road • State College, PA • 16803 • USA
NOTE Deviation from the installation or operation procedures described in this
manual may result in a hazardous situation.
In addition to the previous warnings, additional cautions are posted in the
manual. These warnings may be designated by an appropriate symbol
inside an equilateral triangle. General cautions are indicated with an
exclamation point (see diagram, left).
Turning off vacuum
It is advisable to turn off the vacuum source when changing DVR meter
settings. For the DVR-1000 instrument it will be necessary to disconnect
the connection to the in-house vacuum source or turn the vacuum off. For
the DVR-1500 unit, which includes a built-in vacuum pump, the vacuum
can be shut off by switching the DVR front panel switch to the METER
position. Turning off the vacuum prevents vacuum from building up
while the meter gauge settings are being altered.
General Caution

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CANNONANNON
ANNONANNON
ANNON
®Digital Vacuum Regulator Instruction & Operation Manual
Version 1.3 — May, 2009; CANNON®Instrument Company
2139 High Tech Road • State College, PA • 16803 • USA
CHAPTER
3
INITIAL SETUP
Your DVR is shipped from CANNON®fully assembled. Only vacuum
and electrical power connections must be made before your DVR unit is
fully operational.
Positioning the DVR
Place the DVR instrument on a sturdy laboratory bench or table at its
desirable location, close to the constant temperature bath with ample
space for rear ventilation. Temporarily orient the unit for easy access to
the front and rear panels.
NOTE The horizontal DVR models may be used as a base for any CANNON®
CT or TE Series bath.
Tubing connections
Tubing connections for the DVR vary depending on the specific model.
Follow the instructions appropriate for your unit. Make sure that there is
adequate slack in the tubing to avoid kinks in the line which might
prevent optimal control.
DVR-1000 connections
Vacuum source connection
Ensure that your vacuum source meets the specifications listed on page
two (A vacuum regulator may be required). To connect the DVR-1000 to
your in-house vacuum, secure the tubing to the 1/8” NPT PORT connec-
tion on the DVR rear panel using an appropriate fitting (not supplied).
Connecting to your application
Connect the DVR-1000 to your vacuum manifold or application using
the 4' length of 1/4" x 5/8" o.d. rubber vacuum tubing provided by
CANNON®. Secure the tubing to the Vacuum Manifold Inlet on the
front panel of the DVR (see photo, next page). Push the tubing firmly
into place over the barbed nipple fitting. Attach the other end of the tube
to your manifold/application, clamping the connection if necessary.
Check all vacuum connections to make sure they are secure.
The DVR rear panel
(PORT connection}

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CANNONANNON
ANNONANNON
ANNON
®Digital Vacuum Regulator Instruction & Operation Manual
Version 1.3 — May, 2009; CANNON®Instrument Company
2139 High Tech Road • State College, PA • 16803 • USA
DVR front panel vacuum connection
DVR-1500 connections
The DVR-1500, although it has its own internal vacuum pump, uses the
identical front panel connection (see photo). Connect the DVR-1500 to
your vacuum manifold or application using the 4' length of 1/4" x 5/8"
o.d. rubber vacuum tubing provided by CANNON®. Secure the tubing to
the Vacuum Manifold Inlet on the front panel of the DVR. Push the
tubing firmly into place over the barbed nipple fitting. Attach the other
end of the tube to your manifold/application, clamping the connection if
necessary. Check the vacuum connections to make sure they are secure.
NOTE The PORT connection on the rear of the DRV-1500 (see photo,
previous page) is used as an exhaust port for the vacuum. On this
model, use the CANNON®-supplied muffler to seal the port. Screw the
muffler onto the PORT connection, tightening the muffler finger-tight.
Vacuum trap The glass bottle vacuum trap at the front of the DVR is designed to
prevent liquids from being pulled into the system and damaging the
internal components. The trap will only “catch” about two ounces of
fluid; it is not suitable for use as a reservoir or waste receptacle. In the
event that a small amount of fluid does enter the vacuum system, imme-
diately power down the unit and empty the glass bottle. You may also
wish to clean the 10’rubber tubing with appropriate solvent(s). Thor-
oughly dry the tubing before reconnecting it to the DVR.
CAUTION Pulling liquid solvent past the vacuum trap may cause internal damage
to DVR components and create a safety hazard.