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Appendix C: ERROR CODES & TROUBLESHOOTING (Continued)

Problem

Possible Cause

Corrective Action

Efficiency reading incorrect

NET efficiency selected.

Ambient temperature probe
not plugged in to T2.

Incorrect fuel selected.

Select GROSS efficiency.
See page 17.

Plug ambient probe into T2.
See page 11.

Select the proper fuel for the
equipment being tested. See
page 8.

Readings are erratic when
working on oil fired equip-
ment.

A773 oil filter not installed or
installed incorrectly.

Make sure the optional oil fil-
ter (A773) is installed. See
Appendix B.

One or all of the following
parameters; Ratio, CO air
free, excess air, and efficien-
cy read and print dashes.

Measured values are such
that the calculated values of
these parameters are out of
range.

Redo combustion test. Since
these are calculated values,
the measure values must be
within certain levels for these
to display. If the measured
oxygen level is above 19.9%
these parameters won’t
read.

These parameters might not
display or be applicable in
some tests.

Analyzer won’t turn off

Oxygen and/or carbon
monoxide levels outside lim-
its.

Allow the analyzer to purge
longer.

Appendix C: ERROR CODES & TROUBLESHOOTING

The 708 analyzer will display certain codes to let you know of a malfunction.

*Sensor replacement requires calibration gas.

Code

Displayed

Code Definition

Possible Causes

Corrective Action

Flo
Err

Pump not drawing sample at
correct flow rate.

Blockage / kink in flue probe
hose.
Dirty or blocked filter(s).

Worn pump.

Check and rectify. See
Appendix A.
Replace filter(s). See
Appendix A.
Return to TPI for service.

InIt

Err

Oxygen sensor failed to ini-
tialize

Flue probe connected to 708
prior to power up.

708 did not purge completely
from last sample.

Worn or defective oxygen
sensor.

Disconnect probe and
restart.

Purge for 20 minutes and
restart.

Return to TPI for sensor
replacement or install new
sensor.*

Try manually initializing the
sensor. See Appendix E.

InIt
CO
Err

Carbon monoxide sensor
failed to initialize.

Flue probe connected to 708
prior to power up.

708 did not purge completely
from last sample.

Worn or defective carbon
monoxide sensor.

Disconnect probe and
restart.

Purge for 20 minutes and
restart.

Return to TPI for sensor
replacement or install new
sensor.*

Try manually initializing the
sensor. See Appendix E.

bat

Low battery.

Batteries needs to be
changed.

Charge batteries. (See
Appendix J.

oFL

Overflow indication. The car-
bon monoxide being
mesured is above the instru-
ments capability.

CO being measured is too
high.

Remove the CO source and
allow the 708 to purge.

oFL

Overflow indication. The tem-
perature being measured is
outside the maximum mea-
surement capability.

Temperature being measured
is too high or low.

Remove temperature source.

oPEn

Unable to read thermocouple
(temperature).

Temperature probe not con-
nected to input.
Worn temperature sensor.

Connect temperature probe
to analyzer.
Replace temperature probe
or flue probe.

CAL
DUE

Err

Annual calibration is due.

Last calibration was per-
formed over one year ago.

The analyzer will perform
properly after this message
displays but should be
returned to TPI when pos-
sible for annual calibration.

lit

Содержание 708

Страница 1: ...708 Rev 6 x Analyzers Combustion Efficiency Analyzer The Value LeaderTM www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 2: ...ly 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 fil ter water trap assembly prior to performing tests Always use the optional oil filter p n A773 when performing tests on oil burning equipment ...

Страница 3: ... 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 fil ter water trap assembly prior to performing tests Always use the optional oil filter p n A773 when ...

Страница 4: ...f the TPI 708 which will give you many years of reliable service Your TPI 708 Flue Gas Analyzer comes complete with the following standard accessories TPI 708 Instrument Rubber Boot A765 Soft Carrying Case A768 Flue Sampling Probe A770 In Line Filter assembly installed on Flue probe A794 Temperature Probe GK11M Mini Pump Protection Filter Assembly and spare filters A763 Exhaust Spigot removable A7...

Страница 5: ...ual will guide you through the functions of the TPI 708 which will give you many years of reliable service Your TPI 708 Flue Gas Analyzer comes complete with the following standard accessories TPI 708 Instrument Rubber Boot A765 Soft Carrying Case A768 Flue Sampling Probe A770 In Line Filter assembly installed on Flue probe A794 Temperature Probe GK11M Mini Pump Protection Filter Assembly and spar...

Страница 6: ...red printer see pg 24 Allows you to view stored data on the display see pg 23 Stores readings to memory see pg 22 Scrolls through and selects analyzer functions see 20 21 Turns Backlight ON and OFF see 9 Turns the instrument ON and OFF see pages 8 9 Print Recall Store Func Scroll Enter 4 Back View Sample Inlet Port Connection for Gas Sampling Probe see pages 7 11 Connection for Mini Pump Protectio...

Страница 7: ...ress Sends stored data to a separate infrared printer see pg 24 Allows you to view stored data on the display see pg 23 Stores readings to memory see pg 22 Scrolls through and selects analyzer functions see 20 21 Turns Backlight ON and OFF see 9 Turns the instrument ON and OFF see pages 8 9 Print Recall Store Func Scroll Enter 4 Back View Sample Inlet Port Connection for Gas Sampling Probe see pag...

Страница 8: ...ew T1 Socket Connection for thermocouple plug on flue probe see page 11 Connection for any K type thermocouple probe see page 20 T2 Socket Connection for ambient K type thermocouple probe see page 11 Connection for any K type thermocouple probe see page 20 Gas Sample Port Connection for Mini Pump Protection Filter and Flue Probe see pages 7 11 6 7 T1 T2 Gas Sampling Port www GlobalTestSupply com F...

Страница 9: ...st Port Infrared Window Rubber Boot Top View T1 Socket Connection for thermocouple plug on flue probe see page 11 Connection for any K type thermocouple probe see page 20 T2 Socket Connection for ambient K type thermocouple probe see page 11 Connection for any K type thermocouple probe see page 20 Gas Sample Port Connection for Mini Pump Protection Filter and Flue Probe see pages 7 11 6 7 T1 T2 Ga...

Страница 10: ...ilter A773 or readings could become erratic See Appendix E for installation instructions After the 30 second countdown the instrument is ready to take Flue Temperature Pressure or Leak Detection readings and the default combus tion display will be displayed The 708 will auto power off if no keys have been pressed for 10 minutes and the CO level is below 15ppm Auto off can be disabled see Appendix ...

Страница 11: ... as fuel be sure to use the optional oil filter A773 or readings could become erratic See Appendix E for installation instructions After the 30 second countdown the instrument is ready to take Flue Temperature Pressure or Leak Detection readings and the default combus tion display will be displayed The 708 will auto power off if no keys have been pressed for 10 minutes and the CO level is below 15...

Страница 12: ... 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 712 The default function is Combustion Analyzer Other available func tions are Thermometer Manometer Tightness Test Combustible Gas Leak Detector and Date Time display Refer to the Appendix G Technical Notes for additional information Combu...

Страница 13: ... 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 712 The default function is Combustion Analyzer Other available func tions are Thermometer Manometer Tightness Test Combustible Gas Leak Detector and Date Time display Refer to the Appendix G Techni...

Страница 14: ...evice under test For most applica tions 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 T...

Страница 15: ...ill a 1 4 inch hole into the flue of the device under test For most applica tions 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 ...

Страница 16: ...cations whenever possible 14 Test all exhaust ports at the top of the heat exchanger Atmospheric Forced Air Furnace Typical Test Locations Figure 3 TYPICAL TEST LOCATIONS It is important to use manufacturers recommended test locations whenever possible 15 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 17: ...t to use manufacturers recommended test locations whenever possible 14 Test all exhaust ports at the top of the heat exchanger Atmospheric Forced Air Furnace Typical Test Locations Figure 3 TYPICAL TEST LOCATIONS It is important to use manufacturers recommended test locations whenever possible 15 ...

Страница 18: ... filter will stop the flow to the analyzer and FLO ERR will display The water trap should be emptied immediately if this happens The water block filter may need to be dried out or replaced before testing can resume 16 5 Allow the readings to stabilize Multiple combustion analysis displays are available to provide the various test results Use the Scroll Enter Key to move through the various combust...

Страница 19: ...mp If the water trap fills the water block filter will stop the flow to the analyzer and FLO ERR will display The water trap should be emptied immediately if this happens The water block filter may need to be dried out or replaced before testing can resume 16 5 Allow the readings to stabilize Multiple combustion analysis displays are available to provide the various test results Use the Scroll Ent...

Страница 20: ...splayed reading may appear abnormally high as compared to the manufacturer specification The formula for CO air free is COairfree 20 9 20 9 O2 meas x CO meas Pressing the Scroll Enter key changes the display Combustion Display 5 Displays Temperature reading of Channel 1 T1 Displays Temperature reading of Channel 2 T2 Displays the Differential Temperature Diff between ch1 and ch2 oPEn will be displ...

Страница 21: ...hat is not specified in CO air free the displayed reading may appear abnormally high as compared to the manufacturer specification The formula for CO air free is COairfree 20 9 20 9 O2 meas x CO meas Pressing the Scroll Enter key changes the display Combustion Display 5 Displays Temperature reading of Channel 1 T1 Displays Temperature reading of Channel 2 T2 Displays the Differential Temperature D...

Страница 22: ...hermometer function In this mode the 708 functions like a K Type thermocouple ther mometer The pump will stop running when in this function 1 Ensure you have a K type probe connected to one or both of the thermo couple sockets T1 or T2 refer to figure below WARNING There is ONLY one correct way to connect the K type thermo couple plug into the socket see page 7 Forcing the plug into the socket the...

Страница 23: ...running press the Func Key to access the thermometer function In this mode the 708 functions like a K Type thermocouple ther mometer The pump will stop running when in this function 1 Ensure you have a K type probe connected to one or both of the thermo couple sockets T1 or T2 refer to figure below WARNING There is ONLY one correct way to connect the K type thermo couple plug into the socket see p...

Страница 24: ...ecall button once The display will show Stor and Cal Using the Arrow buttons select Cal by making it blink Press the Scroll Enter button 2 CAL will blink and the last calibration date will be displayed in DD MM YYYY format 3 Press the Scroll Enter button End will be display and YES will blink Press the Scroll Enter button to return to normal operation 23 STORING DATA During testing data can be sto...

Страница 25: ...he last date of cali bration 1 Press the Recall button once The display will show Stor and Cal Using the Arrow buttons select Cal by making it blink Press the Scroll Enter button 2 CAL will blink and the last calibration date will be displayed in DD MM YYYY format 3 Press the Scroll Enter button End will be display and YES will blink Press the Scroll Enter button to return to normal operation 23 S...

Страница 26: ...eys to select the desired print mode and press the Scroll Enter Key REAL Print Mode If rEAL print mode is selected the analyzer will dis play Wait out and bars will change position on the LCD until printing is complete STOR Print Mode If Stor mode is selected Addr will be displayed on the top line along with SA and a location number from 0 to 49 will be flashing on the screen Select the required a...

Страница 27: ...of calibration Use the Up and Down Arrow Keys to select the desired print mode and press the Scroll Enter Key REAL Print Mode If rEAL print mode is selected the analyzer will dis play Wait out and bars will change position on the LCD until printing is complete STOR Print Mode If Stor mode is selected Addr will be displayed on the top line along with SA and a location number from 0 to 49 will be fl...

Страница 28: ...oke OPT 4 Butane OPT 5 Wood OPT 6 Bagasse Display Backlit LCD Data Storage 50 sets of readings Time Date 24 Hour Real Time Clock Dimensions 200mm x 90mm x 60mm Weight 500g Casing Rubber Boot as Standard Switch Off Failsafe Exhaust Safety Spigot Conforms to BS7927 and the draft BS7967 Flue Temperature Probe Construction Pistol Grip with Stainless Steel Shaft Hose Length 2500mm Insertion Length 200m...

Страница 29: ...uminous Coal OPT 2 Anthracite Coal OPT 3 Coke OPT 4 Butane OPT 5 Wood OPT 6 Bagasse Display Backlit LCD Data Storage 50 sets of readings Time Date 24 Hour Real Time Clock Dimensions 200mm x 90mm x 60mm Weight 500g Casing Rubber Boot as Standard Switch Off Failsafe Exhaust Safety Spigot Conforms to BS7927 and the draft BS7967 Flue Temperature Probe Construction Pistol Grip with Stainless Steel Shaf...

Страница 30: ...Filter Look in the inspection window to check the filter When the filter material becomes dark pull the black nose cone out of the tubing and replace the ball fil ter inside 29 CALIBRATION SERVICE It is recommended that your analyzer be calibrated every 12 months When calibration is due the analyzer will remind you by flashing CAL DUE Err at start up and then return to normal operation Please cons...

Страница 31: ...ng Inspection Window A763 Pump Protection Filter Look in the inspection window to check the filter When the filter material becomes dark pull the black nose cone out of the tubing and replace the ball fil ter inside 29 CALIBRATION SERVICE It is recommended that your analyzer be calibrated every 12 months When calibration is due the analyzer will remind you by flashing CAL DUE Err at start up and t...

Страница 32: ... display there may be an internal leak pump problem or other issue and the analyzer needs to be factory serviced If FLO ERR is displayed there is a leak in the water trap assembly and the water trap assembly should be checked as outlined on page 39 40 31 Appendix A General Maintenance continued Filter Check Continued The other two filters are located in the water trap The main filter is the A794F ...

Страница 33: ...d the water trap If FLO ERR still does not display there may be an internal leak pump problem or other issue and the analyzer needs to be factory serviced If FLO ERR is displayed there is a leak in the water trap assembly and the water trap assembly should be checked as outlined on page 39 40 31 Appendix A General Maintenance continued Filter Check Continued The other two filters are located in th...

Страница 34: ...red usual ly white or black If the A773 begins to trap condensate and fill with water but the pellets are not discolored to the point replacement is required it should be removed and allowed to dry Once it is dry it can be reused 33 Appendix B A773 SULFUR FILTER INSTALLATION MAINTENANCE When performing combustion tests on oil fired equipment it is important to use the optional A773 sulfur filter F...

Страница 35: ...ed when most of the pellets become discolored usual ly white or black If the A773 begins to trap condensate and fill with water but the pellets are not discolored to the point replacement is required it should be removed and allowed to dry Once it is dry it can be reused 33 Appendix B A773 SULFUR FILTER INSTALLATION MAINTENANCE When performing combustion tests on oil fired equipment it is importan...

Страница 36: ...Replace filter s See Appendix A Return to TPI for service InIt O2 Err Oxygen sensor failed to ini tialize Flue probe connected to 708 prior to power up 708 did not purge completely from last sample Worn or defective oxygen sensor Disconnect probe and restart Purge for 20 minutes and restart Return to TPI for sensor replacement or install new sensor Try manually initializing the sensor See Appendix...

Страница 37: ...orn pump Check and rectify See Appendix A Replace filter s See Appendix A Return to TPI for service InIt O2 Err Oxygen sensor failed to ini tialize Flue probe connected to 708 prior to power up 708 did not purge completely from last sample Worn or defective oxygen sensor Disconnect probe and restart Purge for 20 minutes and restart Return to TPI for sensor replacement or install new sensor Try man...

Страница 38: ...ensors return your analyzer to Test Products International 37 Appendix D CO ALARM AUTO OFF SETTINGS Setting the Carbon Monoxide Alarm Point and or Auto Power Off Mode The CO alarm and auto power off settings can be changed as necessary by performing the following procedure WARNING Changing parameters in field calibration mode can adversely affect the operation of your analyzer Follow the instructi...

Страница 39: ...r this procedure fails to initialize the sensors return your analyzer to Test Products International 37 Appendix D CO ALARM AUTO OFF SETTINGS Setting the Carbon Monoxide Alarm Point and or Auto Power Off Mode The CO alarm and auto power off settings can be changed as necessary by performing the following procedure WARNING Changing parameters in field calibration mode can adversely affect the opera...

Страница 40: ...e 1 When performing a pressure or draft test during a combustion test the pump can be turned on to provide a continuous sample to the sensors This enables pressure adjustments to be made and the affect to the combustion process can be seen by returning to combustion analyzer mode Use the FUNC Key to activate manometer mode Press and hold the Up Arrow Key until the pump reactivates Perform a pressu...

Страница 41: ...n page 8 39 Appendix F Technical Notes Note 1 When performing a pressure or draft test during a combustion test the pump can be turned on to provide a continuous sample to the sensors This enables pressure adjustments to be made and the affect to the combustion process can be seen by returning to combustion analyzer mode Use the FUNC Key to activate manometer mode Press and hold the Up Arrow Key u...

Страница 42: ...rnaces Wood stoves fireplaces Gas Stoves Automobile exhaust Tobacco smoke Carbon Monoxide is picked up quickly in the body by red blood cells At high lev els of CO the body replaces oxygen with carbon monoxide The most common symptoms of CO poisoning are headache dizziness weak ness nausea vomiting chest pain and confusion High levels of CO inhalation can cause loss of consciousness and death Unle...

Страница 43: ...es Gas water heaters Back drafting from furnaces Wood stoves fireplaces Gas Stoves Automobile exhaust Tobacco smoke Carbon Monoxide is picked up quickly in the body by red blood cells At high lev els of CO the body replaces oxygen with carbon monoxide The most common symptoms of CO poisoning are headache dizziness weak ness nausea vomiting chest pain and confusion High levels of CO inhalation can ...

Страница 44: ...nd locate the phillips head battery cover screw See picture below 2 Loosen the screw Pull out on the screw to remove the battery cover 3 Remove the old batteries and observing the polartiy markings in the battery compartment install the new batteries 4 Re install the battery cover by fitting the bottom part in first 5 Tighten the battery cover screw Battery Cover Battery Cover Screw 42 Notes www G...

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