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Fyrite Tech
Instruction 0024-9435
ii
4.8 Screen Descriptions
.......................................................................22
4.8.1 Warm-Up Screens................................................................22
4.8.2 Fuel Screen ..........................................................................22
4.8.3 O
2
Screen (Model 50 only) ...................................................23
4.8.4 CO & O
2
Screen (Model 60 only) .........................................23
4.8.5 CO Air Free Screen (Model 60 only) ...................................24
4.8.6 Ambient Air Temperature Screen ......................................24
4.8.7 Stack Temperature & Ef
fi
ciency Screen ............................25
4.8.8 CO
2
& Excess Air Screen ....................................................25
5.0 CALIBRATION & MAINTENANCE ................................................27
5.1 Entering the Calibration Mode and Testing the Display Seg-
ments .....................................................................................................27
5.2 Ambient Temperature Calibration ................................................28
5.3 Stack Thermocouple Channel Calibration ...................................28
5.4 O
2
Sensor Zero ...............................................................................29
5.5 CO Sensor Zero & Calibration (Model 60 only) ............................30
5.6 Water Trap / Filter Maintenance ..................................................32
5.7 O
2
Sensor Replacement ..................................................................33
5.8 CO Sensor Replacement (Model 60 only) ......................................34
5.9 Pump Assembly Replacement .......................................................35
6.0 PARTS & SERVICE ............................................................................38
6.1 Replacement Parts .........................................................................38
6.2 Accessories ......................................................................................38
6.3 Service Centers ...............................................................................39