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Total Hydrocarbon Analyzer
I
M
ODEL
T
OTAL
Teledyne
Analytical Instruments
MODEL 402R
HIGHLY TOXIC AND OR FLAMMABLE LIQUIDS OR GASES MAY BE PRESENT IN THIS MONITORING
SYSTEM.
PERSONAL PROTECTIVE EQUIPMENT MAY BE REQUIRED WHEN SERVICING THIS SYSTEM.
HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INTERNALLY WHICH MAY PERSIST FOR
A TIME EVEN AFTER THE POWER IS TURNED OFF AND DISCONNECTED.
ONLY AUTHORIZED PERSONNEL SHOULD CONDUCT MAINTENANCE AND/OR SERVICING. BEFORE
CONDUCTING ANY MAINTENANCE OR SERVICING CONSULT WITH AUTHORIZED SUPERVISOR/
MANAGER.
NSTRUCTION
402 R-EU
H
YDROCARBON
DANGER
Teledyne Analytical Instruments
Table of Contents
M
ANUAL
A
NALYZER
MED
LO
HI
IGNITE
P/N M66893
ECO: #99-0323
08/06/1999
i
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Related Manuals for Teledyne 402R-EU
Summary of Contents for Teledyne 402R-EU
- Page 1 HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INTERNALLY WHICH MAY PERSIST FOR P/N M66893 A TIME EVEN AFTER THE POWER IS TURNED OFF AND DISCONNECTED. ECO: #99-0323 ONLY AUTHORIZED PERSONNEL SHOULD CONDUCT MAINTENANCE AND/OR SERVICING. BEFORE 08/06/1999 CONDUCTING ANY MAINTENANCE OR SERVICING CONSULT WITH AUTHORIZED SUPERVISOR/ MANAGER. Teledyne Analytical Instruments...
- Page 2 Any safeguards required such as locks, labels, or redundancy must be provided by the user or specifically requested of Teledyne. The purchaser must be aware of the hazardous conditions inherent in the process(es) he uses. He is respon-...
- Page 3 IF USED OUTSIDE OF THE SPECIFICATIONS (SEE APPENDIX A), THE IN- STRUMENT MAY BE DAMAGED AND HAZARDOUS CONDITIONS MAY BE PRODUCED. Model 402R-EU complies with all of the requirements of the Com- monwealth of Europe (CE) for Radio Frequency Interference, Elec- tromagnetic Interference (RFI/EMI), and Low Voltage Directive (LVD).
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Page 4: Table Of Contents
3.2.5 Fuel and Air Connections ......... 3-5 3.2.6 Fuses..............3-6 4 Operations 4.1 Equipment ..............4-1 4.2 Preliminary Power-Off Check List ....... 4-2 4.3 Preliminary Electronic Adjustment ......4-3 4.3.1 Meter-Recorder Alignment ....... 4-3 4.4 Placing the System in Operation ......... 4-4 Teledyne Analytical Instruments... - Page 5 Printed Circuit Board ........5-13 5.5.4 Electrometer-Amplifier PC Board ....5-15 5.5.5 Comparator Alarm Printed Circuit Board ..5-17 Appendix Specifications ..............A-1 Application Data ..............A-2 Recommended Spare Parts List ......... A-3 Drawing List ................ A-4 Teledyne Analytical Instruments...
- Page 6 Table of Contents Model 402 R-EU Teledyne Analytical Instruments...
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Page 7: Introduction
Analyzer Description The information contained in this manual describes individual analyz- ers of the Model 402R-EU standard series. In cases of special design, other factors may apply requiring additional or supplementary information. These special considerations will be described in detail on specific applica- tion pages labelled Addenda, in each manual. -
Page 8: Sampling System
19" rack. CAUTION: Since the measured component for the 402R-EU is hydrocarbon content, and since hydrocarbon lubricants and conditioners as well as synthetic plastics are common to instrumentation... -
Page 9: Fuel And Blanket Air Systems
• Gas purity certification. • Detecting trace hydrocarbons in ambient air. • Detecting atmospheric pollutants. • Cryogenics. • Monitoring for fuel leakage or toxic solvents. • Monitoring hydrocarbons in a wide range of process streams. Teledyne Analytical Instruments... - Page 10 Chapter 1 Model 402R-EU Figure 1-1A: Schematic Flow Diagram With Gas Selector Panel Figure 1-1B: Schematic Flow Diagram Without Gas Selector Panel Teledyne Analytical Instruments...
- Page 11 Total Hydrocarbon Analyzer Introduction Figure 1-2: Flame Ionization Cell Teledyne Analytical Instruments...
- Page 12 Chapter 1 Model 402R-EU Teledyne Analytical Instruments...
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Page 13: Operational Theory
See Figure 2-1 for motherboard location. WARNING: The PCBs in the 402R-EU contain dangerously high voltages. Ensure that all power to the instrument has been removed before disconnecting or handling any of the PCBs. - Page 14 Chapter 2 Model 402 R-EU Figure 2-1: View Inside 402R-EU Cabinet (with internal door cover removed) the doorknob located on the upper right-hand side of the hinged door, and swinging it out. To gain access to the electronics mounted on the inside of the door, the cover must be removed.
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Page 15: Detection Cell
2.1.2 Electrometer-Amplifier The collector cable is coupled directly to a coaxial fitting located on the electrometer-amplifier PC board. The plug-in PC board is located on Teledyne Analytical Instruments... -
Page 16: Differential Power Supply
The thermistor and heating element are located in the chamber, and the balance of the circuit components are mounted on the temperature controller printed circuit board. A temperature limit switch protects the isothermal Teledyne Analytical Instruments... -
Page 17: Output
3½ digit digital panel meter (DPM) a voltage-to-current (E-to-I) converter, as well as optional output circuits which may be utilized, such as alarm comparators. Description of optional circuits employed can be found in the Printed Circuit Board Description section of Chapter 5. Teledyne Analytical Instruments... - Page 18 Chapter 2 Model 402 R-EU Teledyne Analytical Instruments...
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Page 19: Installation
All electrical connections are made at the terminal block located on the rear panel of the 402R-EU, except primary power, (see the "Input- Output Diagram"). Before making any electrical connections, you must Teledyne Analytical Instruments... -
Page 20: Primary Power
150VA.. The primary power is connected to an IEC connector in the power entry module at the rear of the 402R-EU. This power entry module also contains the EMI/RFI line filters and holds the two 5mm x 20mm main (line) fuses. -
Page 21: Voltage Output Signal
After connecting this wire to the 402R-EU and before connecting this wire to the safety ground, check that the resistance from this wire to the case of the 402R-EU is less than 1.0 ohms. If the resistance is greater than or equal to 1.0 ohm: 1. -
Page 22: Supporting Gases
NOTE: Use only stainless steel tubing within the analyzer and throughout the system. Consult the assembly, piping, outline drawings, and any Addenda included with this manual to determine if special conditions apply. Teledyne Analytical Instruments... -
Page 23: Sample Gas
NOTE: For applications where the sample gas is hydrogen, the sample gas is doubles as the fuel for combustion and is diluted with nitrogen. Connect a nitrogen source (40 psig) to the fuel inlet port. See Figure 3-1. Teledyne Analytical Instruments... -
Page 24: Fuses
Chapter 3 Model 402 R-EU Figure 3-1: Rear Panel of Model 402R-EU With Gas Connections 3.2.6 3.2.6 3.2.6 Fuses Fuses Fuses 3.2.6 3.2.6 Fuses Fuses The fuses used in Table 1, should be used in the instrument to avoid hazardous conditions and avoid damage to the instrument. -
Page 25: Operations
For example, if 10 PPM is the narrowest range of the instrument, then the zero gas impurities are to be less than 1 PPM. The cylinder is to be equipped with an oil-free, dual stage, metallic diaphragm regulator. Teledyne Analytical Instruments... -
Page 26: Preliminary Power-Off Check List
NOTE: The boards and cable plugs are keyed so that they cannot be inserted incorrectly in either the wrong position or the wrong connector. 5. Confirm that recorder and alarm connections are properly made. Teledyne Analytical Instruments... -
Page 27: Preliminary Electronic Adjustment
Total Hydrocarbon Analyzer Operations Figure 4-1: Front Panel of Model 402R-EU Total Hydrocarbon Analyzer Preliminary Electronic Adjustment After the foregoing preliminary checks and adjustments have been made, turn the analyzer and recorder (if applicable) switches on (see Figure 4-1) and make the following checks and adjustments: 4.3.1... -
Page 28: Placing The System In Operation
(see step 3 above). After the air is flowing through the sensor and a 1 hour warm-up has been completed, activate the following gases: 4.5.2 Zero Gas 1. Set the gas selector valve to the ZERO position. Teledyne Analytical Instruments... -
Page 29: Span Gas
2. Set the span gas tank regulator to 30 psig or to match the sample pressure. 3. Observe that the instrument sample pressure gauge still reads the recommended sample pressure and that the bypass flowmeter reads from 0.5 to 1.0 SCFH. Teledyne Analytical Instruments... -
Page 30: Fuel
2. Observe the fuel pressure gauge on the analyzer control panel. The gauge indication will decay as the fuel in the line is exhausted. When the gauge reading reaches the vicinity of 5 lbs, the flame will be extinguish as the fuel solenoid shuts off Teledyne Analytical Instruments... -
Page 31: Ignition And/Or Flame Guard Circuit Failure
Switch the gas selector valve to SPAN and observe that the meter drives upscale. Wait until stable ready is obtained. c. Adjust the span control until the meter reads the methane concentration indicated on the span gas tank. d. Repeat this procedure to confirm proper calibration. Teledyne Analytical Instruments... -
Page 32: Stabilization Period
If a sample pump is required, one must be selected which does not emit chemicals visible to the analysis, and should have, if at all possible, metal bellows and valves. Rubber diaphragms and valves are not ac- ceptable. Teledyne Analytical Instruments... -
Page 33: Routine Operation
If a wide discrepancy exists between the span setting re- corded in the manual and that finally reached through the use of span gas, you should investigate either the zero or span gas composition, or both. If Teledyne Analytical Instruments... -
Page 34: Supporting Gases
IMPORTANT: Whenever the fuel or air supply is replaced, the analyzer must be restandardized. Any hydrocarbons present in these gases will alter the instrument’s calibration and must be compensated for through restandardization (see Section 4- 8: Stabilization Period.) 4-10 Teledyne Analytical Instruments... -
Page 35: Maintenance & Troubleshooting
Section 1 Page VII: "PROCEDURE FOR REMOVAL OF INTERNAL INACCESSIBLE SHOCK HAZ- . When the 402R-EU must be turned on during ARDS" any of these maintenance and troubleshooting pro- cedures, be carefull and work with the ONE HAND RULE (SECTION 1, PAGE viII). -
Page 36: Measuring Circuit Electrical Checks
2. Select the lowest measurement range (for maximum sensitivity) and adjust the zero control until the readout device indicates above midscale. (The span control should already be set; see Section 4.8: Stabilization Period.) Figure 5-1: Checking the Differential Power Supply Teledyne Analytical Instruments... -
Page 37: Loss Of Zero Control
1. Connect the negative voltmeter lead to ground and the positive lead to TS6 terminal 4. Be careful not to short the circuit by touching both an electrode and the cell body simultaneously. The reading obtained should be 250±22 VDC. Teledyne Analytical Instruments... -
Page 38: Electronic Stability
2. Apply procedure given in Section 1, Page VI of this manual, then unplug P3 from J3 of the anode-igniter cable. 3. Reconnect the mains (line) cord to the 402R-EU and turn it ON. 4. Measure the voltage between socket "3" of J3 and ground and then reapply the same procedure as provided in section 1, page VI of this manua. -
Page 39: Collector Cable
To check the circuit, employ the following procedure: Consult the 402R-EU schematic and assembly drawings, as well as the temperature control PC board schematic and assembly drawings at the rear of the manual for circuit details and component placement. See also Figures 5-2 and 5-3 for the location of the Temperature Controller PC Board. - Page 40 See Figure 5-2. Disconnect one of the thermistor wires from terminal strip TS-2 (terminals 1 and 2) on the mother board and measure resistance between that Figure 5-2: Identification and Location of Thermistor and Wires Teledyne Analytical Instruments...
- Page 41 OK. If an open circuit is found, check the heater wires and a possible connector between the heater and TS-2. If no problems are found, and the heater circuit is open, then replace the heater element. Teledyne Analytical Instruments...
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Page 42: Ignition And/Or Flame Guard Circuit Checks
Return the unit complete with attached electrode cable. If steps 2 and 3 both check out properly, reconnect the anode-igniter cable (connect J3 to P3). Teledyne Analytical Instruments... -
Page 43: Flame Guard Circuit Calibration
2. Operate the selector switch in and out of the IGNITE position until the presence of fuel is assured. 3. Observe the panel meter. If the meter reads up scale when the selector switch is returned to the high position, ignition of the Teledyne Analytical Instruments... -
Page 44: Sampling System
The electronics circuitry of the analyzer is designed with the latest integrated circuit technology. The individual circuits which are required to process the incoming signal and condition it to provide the various outputs, alarms, indicators, etc., are built upon separate plug-in printed circuit 5-10 Teledyne Analytical Instruments... -
Page 45: Flame Guard And Anode Power Supply Printed Circuit Board
J4: Alarm comparator (dual) J5: Differential power supply J6: Temperature control In addition, connector J1 is used with the Model 402R-EU; J1 plugs onto the electrometer amplifier PC board. These are shown in Figures 5-2 and 5-3. The alarm comparator is an optional circuit; it has two (dual) adjust- able setpoints at which an alarm or indicator is activated. -
Page 46: Regulated Differential Power Supply Printed Circuit Board
An input voltage of 40-50 VAC at card pins 8 and 10 (center- tapped to ground at pin 14) is converted to a non-regulated +24 VDC at pin 5-12 Teledyne Analytical Instruments... -
Page 47: Proportional Temperature Controller Printed Circuit Board
The control temperature is determined by the value of resistor R3 on the temperature controller printed circuit board, selected (at the time of Teledyne Analytical Instruments 5-13... - Page 48 Because IC A1 triggers the thyristor at zero-voltage points in the supply voltage cycle, transient load current surges and radio frequency interference (RFI) are substantially reduced. In addition, use of the zero- voltage-switch reduces the rate of change of on-state current (di/dt) in the thyristor. 5-14 Teledyne Analytical Instruments...
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Page 49: Electrometer-Amplifier Pc Board
To eliminate any possibility of contamination of the insulating materi- als employed, the completed PC board is ultrasonically cleaned in labora- tory grade alcohol. Under no circumstances should the parts described be handled with bare fingers. A freshly-scrubbed finger, stroked along Teledyne Analytical Instruments 5-15... - Page 50 Using a DMM, measure the the signal between the clockwise terminal of the span pot and ground, and adjust P1 in the electrometer-amplifier board to obtain zero reading on the DMM. The electrometer-amplifier circuit is now nulled. 5-16 Teledyne Analytical Instruments...
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Page 51: Comparator Alarm Printed Circuit Board
Q2 (NPN), turning on with a negative A2 output, off with positive. Installing jumpers JP7 and JP8 configures the second alarm to energize below alarm 2 setpoint (P4), and installed jumpers JP5 and JP6 causes the alarm to energize above setpoint. Teledyne Analytical Instruments 5-17... - Page 52 Chapter 5 Model 402 R-EU 5-18 Teledyne Analytical Instruments...
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Page 53: Appendix
External - 0-1VDC, 4-20mA DC Isolated Power Requirement: 115VAC ± 10% 50/60 Hz 230VAC ± 10% 50/60Hz 90VA nominal, 150VA maximum Enclosure: 19" (48.3cm) Rack-Mounted Steel Enclosure 19" (48.3cm) W x 8.75" (22.2cm) H x 15.5" (39.4cm) D Teledyne Analytical Instruments... -
Page 54: Application Data
For the best possible results, TAI recommends that zero and span gases representative of each of these samples be used to standardize the analyzer. Teledyne Analytical Instruments... -
Page 55: Recommended Spare Parts List
Orders for replacement parts should include the part number and the model and serial number of the system for which the parts are intended. Send orders to: Teledyne Electronic Technologies Analytical Instruments 16830 Chestnut Street City of Industry, CA 91749-1580... -
Page 56: Drawing List
B-67797 PCB Assy, anode power supply, flame guard A-9306 PCB Assy, power supply A-9309 PCB Assy, alarms (optional) B-29600 PCB Assy, E to I converter, isolated B-30868 PCB Assy, temperature controller, 110V C-34434 PCB Assy, electrometer B-34592 PCB Assy, digital meter, standard, 2½ digit Teledyne Analytical Instruments...