34
Maintenance of the analyzer
Optional accessories 35
Sensors have very precise locations, see the following locations defined for each sensor:
1
O
2
CO
• O2 sensor must be in O
2
position
• CO-H2 sensor must be in CO position
• NO or low NO sensor must be in 1 position
When a sensor has been replaced, it is possible to check the proper functioning of
this new sensor by going in the “Information” menu of the analyser. It is normal
that a sensor that has just been installed gives the following message: “Current
Error”, it is necessary to wait designated time to stabilize the polarization of the
sensor.
Here are the minimum stabilisation times for each sensor:
• O
2
: 1 hour
• CO: 8 hours
• NO: 12 hours
• Low NO: 12 hours
13.3 Replace filter inside the water trap
Follow this procedure to replace the filter inside the water trap:
• Disconnect the smoke probe from the analyzer.
• Turn the lower part (2) of the water trap to the left to detach it from the upper part (1).
• Remove the part (3) by pulling it slightly.
• Remove the used filter (4) and replace it by a new one.
• Replace the part (3).
• Turn the lower part (2) of the water trap to the right to fix it on the upper part (1).
• Make sure O-ring is seated properly in the lower part of water trap.
1
2
3
4
13.4 Cleaning the analyzer
Clean the analyzer housing with a damp cloth. Use distilled water.
Do not use isopropanol.
14. Optional accessories
The following accessories are available:
Part number
Description
Illustration
27520 (NO)
27521 (Low NO)
NO or Low NO sensor for NOx
27544
Draft probe
27532 (180 mm)
27533 (300 mm)
27534 (750 mm)
180, 300 and 750 mm probes available
27546
Remote wireless printer
27537
3 m dual hose extension
27538
Differential pressure hose kit
24646
Smart air temperature probe with 2 m cable
11994
Manual smoke pump kit
SCO110B
CO ambient probe
SCO112B
CO
2
ambient probe
26811
SCU (Sample Conditioning Unit)
