5 Maintenance
Table 1 Allowable Sensor Positions
SENSOR
XCell combustible sensor
XCell O
sensor
2
XCell Two-Tox sensor
XCell SO
, CI
, NH
2
2
3
XCell CO-HC
Series 20 sensor
1. Verify that the device is turned OFF.
2. Remove the battery pack.
3. Remove the two remaining case screws, and remove the case front.
4. Gently remove the sensor to be replaced.
5. Carefully align the new sensor contact pins with the sockets on the printed circuit board.
6. Press the new sensor into place.
7. Note the position restrictions in the table above.
○ Adapter (P/N 10110183) is required for XCell usage in position 3.
○ If a sensor is removed and will not be replaced, be sure to install a sensor plug in its place in order to maintain
correct device function.
○ The plug for XCell positions is P/N 10105650.
○ The Series 20 plug is P/N 10088192.
8. Reinstall the sensor gasket in the case front.
9. Attach front case and tighten two case screws using 5.5 in-lbs of torque.
10. Attach the battery pack and tighten the two battery pack screws using 5.5 in-lbs of torque.
If a change in XCell Sensor configuration is detected during the device turn-ON process:
• The "ACCEPT?" prompt appears on the display
• The ▼ button accepts the sensor configuration
• The ▲ button rejects the sensor configuration; the device is not operational.
When an XCell sensor is replaced, the device automatically enables the sensor after the change has been accepted. If a
Series 20 sensor is replaced, it must be manually enabled (→
If the oxygen sensor was replaced, see
11. Allow sensors to stabilize at least 30 minutes before calibration.
12. Calibrate device before use.
WARNING!
Calibration is required after a sensor is installed; otherwise, the device will not perform as expected and persons relying on
this product for their safety could sustain serious personal injury or death.
5.5
Replacing the Pump Filter
1. Turn OFF the device.
2. Unscrew the two captive screws from the clear filter cover on the back of the device to access the filter.
3. Carefully lift out the O-ring and the filter disk(s).
40
OPERATIONAL ONLY IN POSITION
1
2
2 or 4
3 or 4
4
3
4.2 Turning ON and Fresh Air Setup
ALTAIR 5X / ALTAIR 5X IR
4.5.3 Instrument
Options,Setting Sensor Options).
regarding the oxygen reading display.
US