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 I 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 In-
Line Filter or the Tubing & In-Line Filter fare not connected to the Gas
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 708 will start its 30 second
countdown 'PURGE' will be displayed.
During the last 20 seconds of the 30 second purge time the type of fuel can
be selected. Use the Up Arrow key to scroll through the following Fuels: -
Natural Gas, LPG, Light Oil*, Heavy Oil*, OPT1 : Bituminous Coal, OPT 2 :
Anthracite Coal, OPT 3: Coke, OPT 4: Butane, OPT 5: Wood (Dry), OPT 6:
Bagasse. When the desired fuel is displayed release the key and the displayed
fuel is now selected.
Unless a fuel is selected the analyzer will start up using the last fuel selected.
After start up, several tests can be performed to ensure proper function of
the analyzer and flue probe. Please refer to Appendix A.
*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.
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 D). The
auto power off feature is always enabled upon power up.
The Scroll/Enter Key allows you to scroll through the combustion displays as
outlined on pages 17&18. The Func Key is used to select the 708 function
mode and allows you to set it to be a combustion analyzer, manometer, or
thermometer. In addition, the Func Key is used to access the date and time
display. See pages 20 through 24 for more information on the Func Key.
Turning The Analyzer Off
Always: - Before turning off return the instrument to a clean air environment
and allow the Carbon Monoxide level to return to below 15ppm and the
Oxygen level to return to 20.9% (± 0.3%) Press the Power Key to turn the
instrument off:- NOTE Should you attempt to turn the instrument Off and the
CO reading is above 15ppm then the instrument will remain On and a short
Beep will be heard. The Instrument can only be switched off if the CO is
below 15ppm
The instrument has an auto shut off after 10 minutes should no keys have
been pressed for this period and as mentioned above that the CO is below
15ppm. Should the CO be above 15ppm then the 10 minute auto shut off
countdown will not begin till the CO has gone below 15ppm. The auto power
off feature can be disabled. Please see Appendix D. The auto power off fea-
ture is always enabled upon power up.
Activating the Backlight
The display backlight can be activated at any time by pressing and holding
down the Func Key for approximately 2 seconds. The backlight will automati-
cally shut off after approximately 20 seconds to preserve battery life.
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