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Instruction 24-9448 4-5
Operation
4.5 Performing a Combustion Test
Ensure that the following has been completed, and then proceed with the
combustion test as described below:
• Turn ON analyzer and allow it to warm up (Section 4.2).
• Select fuel being burned (Section 4.3).
• Inset probe into stack (Section 4.4).
• If necessary, insert optional primary air thermocouple into combustion-
air stream of burners that use an outside source of combustion air.
1. Press the RUN/HOLD button to start the test.
You should hear the pump start running and
see the word RUN appear at the top of the
Combustion Test screen.
Sensor Indicators: The following indicators
appear in the sensor's data field depending on
certain conditions:
(∗ ∗ ∗) Sensor that is not calibrated or installed.
(XXX) Sensor overrange
(
- - -
) The calculated data cannot be displayed
because the measured data necessary to make the calculation is out of
range (i.e., oxygen level above 16%).
2. Use the up and down arrow keys to scroll to the T-STK reading.
Loosen the thumbscrew on probe stop and move probe in and out of
the stack until the stack’s core temperature (hot spot) is located as
indicated by the highest T-STK reading; then tighten thumbscrew to
prevent further probe movement. Locating the highest stack tempera-
ture is very important for accurate efficiency calculations.
3. You can now begin burner-service procedures. The analyzer readings
will change quickly to show changes in burner performance.
CAUTION: Position the Water Trap with its gas-flow arrow
pointing upward. Do not let water condensate go above the tip
of the riser tube. The sensors could be damaged if water would
enter the analyzer. Empty the Water Trap after every combus-
tion test (refer to Section 4.9)
4. Pressing the RUN/HOLD button freezes all readings, stops the pump and
displays the Combustion-Test HOLD screen. Press the ENT button to view
all test values at the moment the RUN/HOLD button was pressed. Press-
ing RUN/HOLD again restarts the pump and resumes testing.
RUN NATURAL GAS
O2 4.0 %
CO 12 ppm
EFF 82.6 %
CO2 9.5 %
T-STK 374 °F
T-AIR 68.0 °F
EA 21.3 %
CO(3) 13 ppm
PRINT MENU SAVE
F1 F2 F3
- Portable Combustion Analyzer 1
- WARRANTY 2
- Contents 3
- Instruction 24-9448 4
- 1 Introduction 7
- Instruction 24-94481-2 8
- Instruction 24-9448 1-3 9
- 1.3 Features & Benefits 10
- 1.4 Operational Overview 11
- 1.5 Connector Descriptions 12
- Figure 1-1. PCA 2 Components 13
- 1.5.3 POWER (AC Adapter) 14
- 1.6 Front Panel Buttons 15
- Instruction 24-94481-10 16
- Introduction 16
- 2 Specifications 17
- Normal Operating Conditions: 18
- Performance: 18
- Instruction 24-9448 2-3 19
- Specications 19
- Instruction 24-94482-4 20
- 3 Initial Setup 21
- 3.1 Scope 21
- 3.2 Power 21
- Instruction 24-94483-2 22
- Initial Setup 22
- T-STACK T-AIR 23
- 3.4 Operating Parameters 24
- 3.5 Fuel Selection 24
- Instruction 24-9448 5 25
- 3.7 Pressure Units Selection 26
- Instruction 24-9448 7 27
- 3.9 Date Setup 28
- 3.10 Time Setup 29
- Reference Setup 30
- Instruction 24-9448 11 31
- O2 4.0 % 32
- CO 12 ppm 32
- EFF 82.6% 32
- Instruction 24-9448 13 33
- 3.15 Logging Selection 34
- 3.16 Button Sound 34
- 3.17 Test ID Information 35
- Instruction 24-944816 36
- 3.18 Username 37
- Instruction 24-944818 38
- 3.19 Language 39
- 3.20 Cal Reminder Period 40
- 3.21 Run/Hold Screen Format 41
- Instruction 24-944822 42
- Instruction 24-9448 23 43
- 4 Operation 44
- 4.1 Operating Tips 44
- --- % 45
- T-STK 71.5 °F 45
- T-AIR 71.5 °F 45
- EA --- % 45
- CO(0) --- ppm 45
- 4.3 Selecting a Fuel 46
- 4.4 Sampling Point 47
- Instruction 24-9448 4-5 48
- Operation 48
- 4.6 Pressure Label Selection 50
- Instruction 24-94484-8 51
- 4.9 Saving Test Data 53
- 4.10 Ending a Combustion Test 54
- 4.11 Emptying the Water Trap 54
- 4.13 Low Battery Alarm 55
- 4.14 Data Logging 56
- Instruction 24-94484-14 57
- Instruction 24-9448 4-15 58
- Instruction 24-94484-16 59
- Where: “xx” is the memory 59
- 4.15 Memory 60
- Instruction 24-94484-18 61
- Instruction 24-9448 4-19 62
- 4.15.3 Clearing Memory 63
- Instruction 24-9448 4-21 64
- Instruction 24-9448 4-23 66
- Instruction 24-94484-24 67
- Select (Advanced) 68
- Name of new USB 68
- Instruction 24-9448 4-25 68
- 4.16.3 Recovering Data 69
- Instruction 24-9448 4-29 72
- Instruction 24-94484-30 73
- 4.18 Printing Test Data 74
- ∗∗∗) appear in the data 75
- Instruction 24-9448 4-33 76
- 5 Calibration 77
- 5.1 Smart Sensors 77
- 5.2 Starting a Calibration 77
- 5.3 Pressure Sensor 78
- Calibration 78
- 5.4 T-Stack Calibration 80
- ENT to calibrate the TS-Zero 81
- ENT to cali 81
- 5.5 T-Air Calibration 82
- Instruction 24-9448 5-7 83
- 5.6 CO-LO Sensor Calibration 84
- ENT to calibrate the H 85
- Sensor Calibration 86
- 5.8 NO Sensor Calibration 87
- ENT to calibrate the NO 89
- ENT to display 89
- 6 Maintenance 91
- 6.1 PCA 2 Disassembly 92
- Type and position 93
- +∆P (Top) 93
- –∆P (Bottom) 93
- PRESSURE 94
- PURGE AIR 94
- Figure 6-4. Wiring 95
- Instruction 24-94486-6 96
- 6.3 Smart Sensor Replacement 97
- 6.4 Sensor Only Replacement 98
- Instruction 24-9448 6-9 99
- Instruction 24-94486-10 100
- Maintenance 100
- 6.6 Thermocouple Replacement 101
- Instruction 24-94486-12 102
- 6.7 Pump Replacement 103
- 6.8 Cleaning the Probe 104
- 7.1 Analyzer Repair 105
- 7.2 Error Symbols 105
- 7 Troubleshooting 105
- Instruction 24-94487-2 106
- Troubleshooting 106
- ENT to display the 107
- ENT to display the DEVICE 108
- 8 Parts & Service 109
- 8.1 Replacement Parts 109
- Figure 8-1. Parts (2 of 2) 111
- 8.2 Accessories 112
- Instruction 24-9448 8-5 113
- Parts & Service 113
- 8.3 Service Centers 114
- Printed in U.S.A 116
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