Instruction manual

• Do not over-tighten the screws as damage can occur.
Turn ON Instrument and Verify Proper Operation
1. Turn ON the FiveStar Unit.
• The pump motor will start fast, then slow down as the
instrument adjusts the power to run the pump.
2. Once the gas readings are
displayed, plug the free end of
the sampling line or probe. The
pump motor shuts down and an
alarm sounds. (The readings
on the display may change.)
When the pump inlet/sample
line/probe is blocked, the
pump alarm must activate. If
the alarm does not activate,
check the pump/sample
line/probe for leaks; once the leak is fixed, recheck the pump
alarm by blocking the flow. Check the pump before each
day’s use.
"
WARNING
Do not use the pump/sample line/probe unless the pump alarm
activates when the flow is blocked. Lack of an alarm is an
indication that a sample may not be drawn to the sensors,
which could cause inaccurate readings. Failure to follow the
above can result in serious personal injury or death.
3. Press the RESET button to reset the alarm and restart the
pump. During operation a pump alarm may occur when the:
• pump is attached or removed
• flow system is blocked
• pump unit is inoperative
• sample lines are attached or removed.
To clear the alarm:
• Correct the flow blockage (if necessary)
• Press the RESET button.
The pump will now restart.
Figure 2-48.
Pump Alarm
Instruction Manual Chapter 2, Using the FiveStar Alarm
FiveStar Alarm 2-25