Labconco TXE Tall XPerEnclosure 3892022 - Manual (Page 34)

Chapter 6: Maintaining Your TXE
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1. Push the ENTER button on the face of the alarm until the Set up Menu is
displayed.
2. Scroll to SET UP and hit ENTER.
3. The PASSWORD MENU displays (The Password is 0000). Press the
ENTER button repeatedly until the CAL CONFIG MENU is displayed.
4. In the CAL CONFIG MENU set for the following:
CALIBRATION CONFIG MENU SETTINGS
DISPLAY UNITS FPM
LOW AIR ALARM SEE CHART ABOVE – LOW AIR ALARM
LOW AIR CUTOFF OFF
LOW AIR CUTOFF SEE CHART ABOVE – LOW AIR ALARM
WARNING AIR ALARM SEE CHART ABOVE – LOW CALIBRATION SET
POINT (Set 3-5 FPM above low air alarm)
WARNING AIR RESET 3 FPM
HIGH AIR ALARM OFF
HIGH AIR ALARM OFF
LOWER AIR SAMPLE FLUCTUATIONS 3%
HIGHER AIR SAMPLE FLUCTUATIONS 3%
LOWER/HIGHER AIR SAMPLE
DIFFERENCE
10 FPM
WARN TO ALARM AIR TIME 10 SECONDS
ALARM TO WARN AIR TIME 3 SECONDS
SHOW AIR FLOW ON
SHOW TIME LINE OFF = DISPLAYS
BAR GRAPH OFF
AUDIBLE ALARM ENABLED
SENSOR DIFFERENCE 2%
5. To complete the CAL CONFIG, be sure to enter “DONE”. You are
returned to the Main Menu.
Calibrate Alarm
1. Scroll to set up and hit ENTER, then CALIBRATE and hit ENTER.
2. The PASSWORD MENU displays (The Password is 0000). Press the
ENTER button repeatedly until the next menu is displayed.
3. Adjust the speed of the fan until the low airflow velocity is reached. Use
your thermal anemometer readings to determine the low air velocity.
4. Enter the value of your low airflow velocity using your +/- scroll keys. Be
sure the front panel is installed. Step out of the way, wait approximately 30
seconds for air currents to settle and hit ENTER. The airflow alarm will
sample the airflow.