16
MX 15
Instruction Manual
Buzzer Menu
Allows the user to use or not use the buzzer integrated into the
MX 15
unit.
■
Display the BUZZER menu by pressing on the "+" and "-" (
and
)
buttons at the same time.
■
Confirm by pressing
ENTER
(
).
■
Select ON (buzzer activated) or OFF (buzzer deactivated).
■
Confirm (Yes, No,
ENTER
).
TEST Menu (TST)
Allows the user to block the relays integrated into the
MX 15
when performing
gas tests or calibrating the detector.
■
Display the TST menu by pressing on the "+" and "-" (
and
) buttons
at the same time.
■
Confirm by pressing
ENTER
(
): the yellow LED will blink.
■
The yellow LED blinks, the message TST and the key
will appear,
confirming that the alarm relays are blocked during test operations or
calibration.
Caution: this menu should only be used for calibration after the first
start-up.
Reminder: for safety reasons, only trained personnel are authorized
to perform the procedures listed below.
Procedure for an explosive gas detector (OLC 10, OLC 100, etc.)
■
Ensure the TEST menu is confirmed (see above).
■
Remove the access panel to the settings on the
MX 15
faceplate to access
the setting potentiometers.
■
Adjust the zero setting if necessary using the zero "0" potentiometer
(Figure 2, ref. K). Read the instructions indicated on the display.
Reminder: ensure that the air in the environment is clean. If not, using the
calibration kit, inject reconstituted air (do not use nitrogen) into the detector
at a rate of 60 litres per hour, then wait for the stabilization measurement.
■
Inject the calibration gas (60 l/h) at sensor level and wait for stabilization
measurement.
■
Confirm the value on the display and adjust the sensitivity using the "S"
potentiometer (Figure 2, ref. J).
■
Remove the tank of calibration gas.
■
Wait for the display measurement to return to zero.
■
Press the TEST button (
) to exit this menu.
■
The yellow LED will turn off and the display will show a dotted line.
■
If necessary, press one of the "+" or "-" (
or
) buttons, to bring up the
measurement.
Summary of Contents for MX15
Page 10: ...6 MX 15 Instruction Manual...
Page 22: ...18 MX 15 Instruction Manual...
Page 25: ...6 Declaration of Conformity 21 Chapter 6 Declaration of Conformity...
Page 26: ...7 Technical specifications 22...
Page 31: ...27...