94
7.13. Recommended maintenance cycles
Component Service life Remedy
Main gas pump 2500 hr Renew the pump
Special main gas
pump for long-term
measurement
10000 hr Renew the pump
Rinsing/delivery pump 2500 hr Renew the pump
Condensate pump
(gas cooler option)
2500 hr
5000 hr
Renew pump head
with hose
Renew the pump
Fleece in gas cooler
(gas cooler option)
1200 hr
Clean housing,
renew fleece
Condensate trap/
condensate container
25ml condensate
Empty the
condensate
trap/condensate
container at regular
intervals
7.14. Condensate watchdog (option)
The condensate watchdog serves the purpose of protecting the
infrared CO
2
sensor. It prevents the penetration of condensate into
the infrared sensor. If the message Condensate watchdog
appears in the display of the control unit, the condensate watchdog
needs to be dried. If the message appears repetitively, the flue gas
analyzer must be returned to the testo service.
Drying the condensate watchdog
✓ The analyzer box must be switched off and isolated from the
mains supply.
1. Unlock the condensate trap and pull it vertically off the
measuring box.
w ww . . co m
information@itm.com1.800.561.8187
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