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SECTION 1 - GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 1 -
1.1
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 1 -
1.2
BENEFITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 1 -
1.3
USES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 2 -
1.4
PRINCIPLE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 2 -
1.5
TECHNICAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 3 -
1.6
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 4 -
SECTION 2 - INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 5 -
2.1
SYSTEM CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 5 -
2.2
RheoVac SENTRY INSTALLATION/SITE SELECTION . . . . . . . . . . . . . . . . . . - 5 -
2.2.1 Probe Site Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 5 -
2.2.2 CPU/Distribution Box Site Selections . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 6 -
2.3
HOT TAP INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 7 -
2.4
PROBE INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 7 -
2.5
ELECTRICAL CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 9 -
SECTION 3 - OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 13 -
3.1
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 13 -
3.2
OUTPUT PARAMETERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 13 -
3.3
RheoVac SENTRY PROBES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 13 -
3.4
CPU TOUCH SCREEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 14 -
3.5
ETHERNET or MODEM OUTPUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 18 -
3.6
SEARCHING FOR LEAKS WITH MULTI-PROBE SYSTEM . . . . . . . . . . . . - 20 -
SECTION 4 - MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 22 -
4.1
GENERAL MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 22 -
4.2
CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 22 -
4.3
SPARE PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 22 -
4.4
TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 22 -
SECTION 5 - CUSTOMER SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 24 -
5.1
QUESTION ON EXISTING HARDWARE . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 24 -
5.2
TROUBLE SHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 24 -
5.3
FACTORY AND FIELD SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 24 -
5.4
QUESTIONS ON NEW EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 24 -
SECTION 6 - CUSTOM INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 25 -
6.1
UNIT IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 25 -
6.2
CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 25 -
6.3
SPECIAL INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 25 -
TABLE OF CONTENTS
©Intek, Inc. 2004
Manual no. RVSentry Rev. A
I:\OFFICE\WPMAN UAL\SENTRY\RVSentryRev. A.wpd
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Summary of Contents for Intek RheoVac
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Page 1: Table Of Contents
RheoVac SENTRY PROBES ........ - Page 2 (1) year after delivery of such product to the original purchaser, be returned to Intek with transportation charges prepaid and which Intek's examination shall disclose to its satisfaction to have been thus defective;...
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Page 3: Section 1 - General Information
• Provides data for condenser performance diagnostics • Provides centralized access to the data from all of the RheoVac probes installed in the system • Provides easy access to individual probe’s data as well as on-screen review of selected common data from all of the probes for performance analysis •... -
Page 4: Uses
1.3 USES The RheoVac SENTRY System can be used for a multitude of performance related subjects, such as: • Continuous air in-leak monitoring • Vacuum pump performance testing • Operating with zero excess back pressure • Load dependent air in-leak isolation •... -
Page 5: Technical Specifications
At the heart of the RheoVac probe is the Rheotherm flow transducer, which uses the same patented thermal sensing technique employed in all precision flow instruments manufactured by Intek. Two temperature sensors are used; one sensor is in thermal equilibrium with the flow medium and provides a temperature and flow signal reference, while the second sensor is located near a constant power heater so that its temperature is always above that of the fluid. -
Page 6: Precautions
Never allow live high temperature steam to flow in either direction in the exhauster line where the probe is located. Never flood an exhauster line that has a RheoVac probe in it. Always remove the probe, or seal off that section of pipe before a hydrostatic leak test is performed. -
Page 7: Section 2 - Installation
2.1 SYSTEM CONFIGURATION The system provided consists of: • a RheoVac SENTRY central processing unit (CPU) in a metal housing. The CPU includes a touch screen interface, uninterruptible power supply (UPS), modem (optional), interconnections and controls up to twelve (12) RheoVac SENTRY probes (see Custom Information Section) •... -
Page 8: Cpu/Distribution Box Site Selections
Figure 2 RheoVac Probe Insertion Recommendation 2.2.2 CPU/Distribution Box Site Selections Select the CPU installation site. The CPU should be located in a cool, dry area. The electronics are not protected against condensed liquid water inside the enclosure. The location should permit easy viewing and access to the touch screen display. -
Page 9: Hot Tap Installation
These instructions cover installation of the RheoVac probes and SENTRY CPU in its standard configuration. Additional information pertaining to your unit is covered in SECTION 6 — CUSTOM INFORMATION. Carefully read these instructions prior to installing the equipment. 2.3 HOT TAP INSTALLATION Check installation configuration. - Page 10 - 8 -...
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Page 11: Electrical Connections
2.5 ELECTRICAL CONNECTIONS (Make all hardware & plug-in connections with power off) A. Distribution Box 1. Contents a. Connection point for the RS485 wires (Blue and White), +24vdc power (Red), ground (Black), and shield. b. Connection point for the input from and output to other distribution enclosures. c. - Page 12 B. Electronics Unit (CPU) (See Figure 6) 1. Sensor Power and Communication Line: Connect the RS485 Communications/Power cable, which connects the first distribution enclosure to the CPU. 2. Main Power: Connect main power terminals to a dedicated 120Vac, single phase, 15 amp circuit.
- Page 13 Figure 6 CPU Wiring - Part 1 - 11 -...
- Page 14 Figure 7 CPU Wiring - Part 2 - 12 -...
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Page 15: Section 3 - Operation
In the RheoVac SENTRY System, multiple probes are installed in strategic locations of the condenser system. Sometimes the locations will be labeled on the screen by Intek during manufacture or by the customer after installation. As the SENTRY CPU only recognizes the probe’s identity (via its unique... -
Page 16: Cpu Touch Screen
Each SENTRY CPU is capable of supporting up to twelve RheoVac probes. Therefore, it is possible that the configuration chosen for your plant may have the SENTRY CPU monitoring probes installed on more than one generating unit. - Page 17 Probe Data To view the data monitored by the RheoVac SENTRY probes, select the appropriate probe icon on the main touch screen display. This brings up the following data screen: Figure 9 - Ten Parameter Probe Display in Meter/Gauge Format The data from all ten parameters monitored by the probe is updated continuously.
- Page 18 Figure 10 - Plot or Strip Chart Screen Diagnostic Tool The ‘Diagnostic Tool’ button leads to the display screen shown in Figure 11. Figure 11 - Diagnostic Screen While this illustrative display only shows the data for two probes, the actual screen will show the data from all probes in the SENTRY System.
- Page 19 ‘HOLD’ to capture the measurements of a given moment (or set of system conditions.) This is a most unique capability of the RheoVac SENTRY System, allowing the engineer/operator to capture a “before” set of measured parameters and then evaluate the monitored parameters “after” a known set of operating conditions have changed.
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Page 20: Ethernet Or Modem Output
Historical data files for each probe in the RheoVac SENTRY System are stored on the hard drive of the SENTRY CPU. A directory for each probe serial number is created in the directory named: C:\RheoVac\data Each file contains 24 hours of data and is named for the date on which the data was gathered. - Page 21 Data available under NetDDE includes Probe Serial Number, Time Stamp, Air In-leak, Total Mass Flow, Water Vapor Flow, Pressure, Water Partial Pressure, Actual Volume Flow, Relative Saturation, Water Vapor Specific Volume, Water/Air Mass Ratio, and Temperature. This data is arranged in a table as shown in Figure 15 so that the NetDDE client can request information from each cell of the table using the provided NetDDE Service Name, Topic Name, and the corresponding row and column as the NetDDE Item Name.
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Page 22: Searching For Leaks With Multi-Probe System
Figure 16 - A RheoVac SENTRY System Configuration As examples of the performance data provided by the RheoVac probe, note that it measures the flow rate into the vacuum pump (or air ejector) and distinguishes between air flow and water vapor flow, making it possible to quantify the performance of the condenser’s exhausting equipment. - Page 23 1 = 2, 1 + 2 = 3 = 4 + 5 Some examples of observed RheoVac monitor measured data and corresponding identification of leak presence and leak location determinations are: Leak Location Probe Indications of Air In-Leak (SCFM) Normal tight system 1 = 2.5 SCFM...
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Page 24: Section 4 - Maintenance
(see Section 2.4 PROBE INSTALLATION). 4.2 CALIBRATION The RheoVac SENTRY System is calibrated at the factory in a calibration system which replicates the condenser and vacuum line environment. The system is designed to calibrate the temperature, pressure, water vapor relative saturation and mass flow under the gaseous fluid conditions found within the power plant vacuum line. - Page 25 4 hours of concurrent data from all RheoVac probes on that generating unit. You may also contact the factory to transmit RheoVac SENTRY probe data via modem to the factory for analysis and problem resolution.
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Page 26: Section 5 - Customer Service
QUESTIONS ON NEW EQUIPMENT For a new RheoVac SENTRY application or any liquid or gas flow measurement need, contact the Intek technical sales department at the above phone/fax numbers. E-mail inquires should be sent to sales@intekflow.com. -
Page 27: Section 6 - Custom Information
Model No.: Serial No.: Customer Identification: CONFIGURATION The marked (X) items denote the configuration of this unit, as originally shipped from the factory. RheoVac SENTRY CPU with touch screen panel, Serial No.: Microsoft Windows ME software Software: Microsoft Windows Modem Model: Serial No.:...