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717
User Manual
49 pgs2.23 Mb0

TPI 717 User Manual

717
Combustion Efficiency Analyzer
The Value Leader
TM
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Introduction
Thank you for purchasing TPI brand products. The TPI 717 combus­tion analyzer is a state of the art, easy to use analyzer designed not only to display and calculate the required readings from a flue but also to cover most of the other measurements associated with combustion. The instrument is ruggedly constructed and comes with a 3 Year unit and 2 Year sensor Guarantee.
General Overview
The TPI 717 combustion analyzer uses field replaceable state of the art electrochemical sensors. This sensor technology provides the longest lasting, most accurate and reliable means for performing combustion tests. The sensors in your analyzer will need to be replaced periodically and calibration is recommended once every year.
Electrochemical sensors by nature are always active. Therefore the time the analyzer is off and not being used must be taken into account when determining sensor life. The sensors in your analyzer are war­ranted for two years. This warranty does not cover sensors damaged through misuse of the analyzer.
You should keep the batteries of your 717 fresh so power is constantly being supplied to your sensors.
The following guidelines will help prevent damage to your sensors:
Always use the mini pump filter when testing flue gases. Always periodically check and replace the mini pump filter as needed. Always make sure the in-line filter / water trap is installed properly. Always periodically check and replace the in-line filter as needed. Always remove water or condensation from the inside of the in-line fil­ter / water trap assembly prior to performing tests. Always use the optional oil filter (p/n A773) when performing tests on oil burning equipment.
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General Overview (Continued)
Never over saturate your sensors by performing tests on equipment with gas levels beyond the capability of you analyzer.
Always keep the A796 water trap / filter assembly clean and replace the filter as necessary. Replacement filter part number is A762F.
This manual will guide you through the functions of the TPI 717 which will give you many years of reliable service.
Your TPI 717 Flue Gas Analyzer comes complete with the following standard accessories:
•
TPI 717 Instrument
• Rubber Boot (A765)
• Soft Carrying Case (A768)
• Flue Sampling Probe (A770)
• In-Line Filter assembly installed on Flue probe (A796)
• Temperature Probe (GK11M)
• Mini Pump Protection Filter Assembly and spare filters (A763)
• Exhaust Spigot (removable) (A764)
• Instruction Manual
( ) Denotes part number
Your TPI 717 Flue Gas Analyzer has the following options available:
• Infrared printer (A740)
• Spare In-Line Filter (A762F is a package of 5 filters)
• Field replaceable smart CO sensor (A760S)
• Field replaceable smart O2 sensor (A761S)
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Instrument Overview
Front View
LCD
Rubber Boot
Display
Battery Condition Icon
Selected Fuel Type
Keypad
Rubber Boot Protects the instrument from accidental damage
Display Large 3 Parameter Backlit LCD Display
Battery Condition Icon Shows condition of batteries.
Keypad Selects all available functions
Selected Fuel Type N GAS, LPG, LIGHT OIL, HEAVY OIL, OPT 1
NOTE: When selecting oil as fuel be sure to use the optional
oil filter (A773) or readings could become erratic. See Appendix E for installation instructions.
(Bituminous Coal), OPT 2 (Anthracite Coal), OPT 3 (Coke), OPT 4 (Butane), OPT 5 (Wood), OPT 6 (Bagasse)
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Keypad
Scrolls through selectable fuels (see page 8 ) Switches between ºC and ºF (see pages 18 & 21) Scrolls through selectable pressure units Moves up through the Stored Data Addresses
Zeroes pressure reading (See page 21) Moves down through the Stored Data Addresses
Scrolls through Combustion Analysis Displays (See 17& 18) Turns ch2 temperature ON/OFF (see page 20) Allows you to choose a Stored Data Address
Sends stored data to a separate infrared printer (see pg 25)
Allows you to view stored data on the display (see pg 24)
Stores readings to memory (see pg 23)
Scrolls through and selects analyzer functions (see 20~22) Turns Backlight ON and OFF (see 9)
Turns the instrument ON and OFF (see pages 8 & 9)
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Side Views
Exhaust Port Port for connection of Exhaust Adapter
Infrared Window Window for sending stored data to IR Printer
(see page 25 )
Rubber Boot Protects the instrument from accidental damage
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Top View
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BASIC ANALYZER FUNCTIONS
Analyzer Batteries
Your combustion analyzer is fitted with three AA size 1.5V alkaline batteries. It is important to keep battery power to the sensors in your analyzer even when it is not in use.
Your analyzer has a battery status indicator in the lower right corner of the display. Battery status is determined as follows:
Indicates batteries are at full capacity.
Indicates batteries are at 2/3 capacity.
Indicates batteries are at 1/3 capacity. Replacement of batteries should be considered soon.
Indicates batteries are very low and in need of replacement immediately. See Appendix J for battery replacement instructions.
Turning The Analyzer On & Fuel Type Selection
Always: - Before turning on please ensure that the Mini Pump Protection
Filter assembly and the Temperature Sampling Probe complete with In­Line Filter or the Tubing & In-Line Filter fare not Sample Port (see page 7)
The instrument MUST be turned on in a clean air environment as the initial purge will set the Carbon Monoxide level to Zero and the Oxygen to 20.9%. Press and hold down the Power Key and the TPI 717 will start its 30 second countdown 'Purging...' will be displayed.
After the 717 has completed purging the fuel type can be selected by press­ing the Up Arrow key. The selected fuel type is displayed in the lower left cor­ner of the display. Selectable fuels are Natural Gas, LIGHT OIL, HEAVY OIL, LPG, Bituminous Coal, Anthracite Coal, Coke, Butane, Wood (Dry), Bagasse, and Wood Pellet.
After start up, several tests can be performed to ensure proper function of the analyzer and flue probe. Please refer to Appendix A.
connected to the Gas
*NOTE: When selecting oil as fuel be sure to use the optional
oil filter (A773) or readings could become erratic. See Appendix E for installation instructions.
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COMBUSTION ANALYSIS OVERVIEW
Performing combustion analysis is very important to the overall safety and efficiency of heating equipment. The following guidelines and descriptions are
generic and meant to provide you with a basic understanding of combustion testing. TPI always recommends you contact the manufacturer of the device under test, obtain information specific to the device, and follow the proce­dures and safety guidelines for performing tests and affecting repairs.
In general, for most applications, flue gas samples should be taken prior to the draft diverter or any other opening that allows room air to enter the sys­tem. This prevents room air from mixing with gases in the flue and diluting the test sample. To ensure accurate and consistent combustion tests, it is important gas and temperature samples be taken at the same location. This is easy with the TPI flue probe because the temperature sensor is an integral part of the probe.
Prior to taking a sample, the device under test should be on and operating. Putting the flue probe in the sample area prior to starting the device may cause saturation of the sensors due to the higher initial concentration of car­bon monoxide that may be encountered upon start up. If this happens, allow your analyzer to purge in fresh air until the carbon monoxide level returns to 0 ppm and the oxygen level returns to 20.9%. This may take more than an hour depending on how saturated the sensors are.
The figures on pages 13 through 15 show locations for performing tests on commonly encountered equipment. Remember to consult with the manufac-
turer of the device under test for specific test information. Pressing the Func Key enables access to the different functions available on
the 717. The default function is Combustion Analyzer. Other available func­tions are: Thermometer, Manometer/Tightness Test, and Date / Time display.
Refer to the Appendix G “Technical Notes” for additional information.
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Combustion Analyzer (Default Start Up Mode)
COMBUSTION TEST PROCEDURE
Note: It is recommended you perform routine general maintenance on your analyzer to ensure proper function. Please refer to Appendix A for general maintenance schedule and function tests.
1. Turn the 717 on in fresh air as outlined on page 8. After the initial purge cycle the 717 will default to combustion analyzer mode and combustion dis­play 1 will be seen.
• Combustion Display 1 (Default Start Up Display)
• Displays Oxygen (O2) reading in percent (%)
• Displays Carbon Monoxide (CO) in parts per million (ppm)
2. Connect the Mini Pump Protection Filter assembly and Flue Probe Tubing complete with In-Line Filter to the Gas Sample Port and the 'K' Type Thermocouple Plug from the Flue Probe into Thermocouple (T1) Socket. The GK11M ambient air temperature probe is connected to the (T2) socket. (See below & page 7)
WARNING: - Ensure the 'K' type thermocouple probes are inserted into the sockets correctly (see page 7). The plugs are polarity marked and forcing the plug into the socket the wrong way may result in damage to the instrument.
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IMPORTANT: Prior to taking a sample, the device under test should be on and
at operating temperature. Putting the flue probe in the sample area prior to starting the device may cause saturation of the sensors due to the higher initial concentration of carbon monoxide that may be encountered upon start up. If this happens, allow your analyzer to purge in fresh air until the
carbon monoxide level returns to 0 ppm and the oxygen level returns to
20.9%. This may take more than an hour depending on how saturated the sensors are.
3. Drill a 1/4 inch hole into the flue of the device under test. For most applica­tions, flue gas samples should be taken prior to the draft diverter or any other opening that allows room air to enter the system. This prevents room air from mixing with gases in the flue and diluting the test sample.
It is important to use manufacturers recommended test locations whenever possible.
Refer to the figure below for calculating the sample hole location.
The figures on the following pages show typical test locations on commonly encountered equipment.
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