Turning On & Fuel Selection; Turning On; Fuel Selection - TPI 709R Instruction Manual

3.1 Turning On

Always
: - Before turning on please ensure
In-Line Pump Protection Filter
that the
(shown across) is connected to the Gas
Sample Port (see 2.2 or 2.4).
**THIS MUST REMAIN ON THE UNIT
AT ALL TIMES.**
Failure to do so may result in pump failure
and will invalidate the warranty.
Press the Power Key
start up and display ALL Segments on the display for approx. 1 second. The
709R will then enter its 30-second purge period countdown with the following
screen being displayed.

3.2 Fuel Selection

During the last 20 seconds of the 30 second purge time (i.e. as the 709R counts
down from 19 to 0) the user can scroll through the following Fuels: - Natural Gas,
LPG, Light Oil & Heavy Oil by repeatedly pressing the
Up Arrow Key
3. Turning On & Fuel Selection
for approximately 2 seconds and the TPI 709R will
The instrument should ALWAYS be turned
on in a clean air environment as the 30
second purge will attempt to set the Carbon
Monoxide level to 0 ppm and the Oxygen to
20.9%.
If there is insufficient clean air in the sensor
chamber after the 30 second purge period an
error indicating this may be displayed, please
see troubleshooting guide (appendix D) for
appropriate remedy. If the error is still present
after attempting the suggested remedy please
call the
to select the Fuel they are working with.
TPI HELPLINE
01293 530196