Bacharach PCA2 Especificações Página 78

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Instruction 24-94485-2
Calibration
Any errors detected during warm-up will
be listed on the display immediately fol-
lowing warm-up. For example, the screen
to the right shows that the battery is low.
Correct any errors before proceeding. Refer
to Section 7.3 for a listing of error messages
and their meaning.
2. Display the MAIN MENU by pressing the
MENU (F2) button. If necessary, press ESC
until MENU appears above F2.
3. Use the buttons to highlight
CALIBRATION, and then press ENT to dis-
play the CALIBRATION PASSWORD screen.
4. Before calibration can begin a 4-place alpha-
numeric password must be entered. Use the
and buttons to enter the password.
(Note that the default password is 1111)
5. Press the ENT key to accept the password.
If the correct password was entered the
CALIBRATION Menu will be displayed.
6. Use the buttons to highlight the sensor to
be calibrated, and then perform the calibra-
tion procedure for that sensor as described in
the following sections.
5.3 Pressure Sensor
Calibration
This procedure calibrates the pressure sensor to a known pressure value.
Material Required:
Bellows
Manometer
Range: ±8 in. of water column (±20 mb)
Accuracy: ±0.01 in. of water column (±0.025 mb)
Procedure:
NOTE: The unit-of-measure for pressure is selected per
-
-
ERRORS DETECTED
Low Battery
MENU
F1 F2 F3
MAIN MENU
FUEL
PRESSURE
TEMPERATURE
MEMORY
SETUP
CALIBRATION
DIAGNOSTICS
STATUS
F1 F2 F3
MENU
Calibration Password
Enter Password
Menu
F1 F2 F3
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