
AMMONIA User Manual
AMMONIA_User 9/09
19
Minimum Startup Sequence
Valve ON flow: 1
Open the downstream isolation valve on the sensor mount manifold header
and then the upstream isolation valve.
FYI:
Always OPEN in this order & CLOSE upstream first.
Check for leaks: 2
Inspect the sensor entries for leaks & correct.
Check that installation fittings are not leaking.
Verify Flowswitch: 3
Plug-in or power up the analyzer. Scroll
UP
or
DOWN
to the ‘
S
’ Flowswitch_S display
and ensure that within 30 seconds of power ON the flowswitch shows ON.
Don’t proceed until the flowswitch shows ON.
Check Temperature: 4
Scroll
UP
or
DOWN
to the sensor ‘
G
’ Temperature_G display & check that
it’s displaying the approximate temperature, +/-10F.
FYI: Temperature needs to be accurate. We’re using it to compensate ammonia,
so it has to track, changing when the sample water changes temperature.
Calibrate pH: 5
Scroll
UP
or
DOWN
to the sensor ‘
C
’ pH_C display
Measure the water pH at the sensor sample valve
and calibrate the pH sensor per Appendix E.
Calibrate NH3: 6
Scroll
UP
or
DOWN
to the sensor ‘
D
’ NH3 Sensor_D display
Measure the water NH3 at the sensor sample valve
and calibrate the NH3 sensor per Appendix E
.
Correct for Time Zone: 7
Key
EXIT
to the Day – Time display.
If necessary, key
ENTER
scroll to
Time&Date
& adjust the time for your time zone.
FYI: Sets the time & date stamp correctly for timed data logging