Invacare Perfecto2 V IRC5PO2V Service Manual page 83

4. Slowly adjust flow beyond maximum rated flow until you can achieve a concentration
level greater than 75% but less than 84%. Within 30 minutes the YELLOW panel
indicator light will illuminate and the unit will continue to run.
5. Clamp off the 1/8‐inch oxygen sensor tubing between the oxygen sensor and the
product tank regulator.
Use care not to cut oxygen sensor tubing when clamping the oxygen sensor tubing.
6. Within 30 minutes, the Oxygen Sensor Alarm should activate and the RED panel light
indicator will illuminate. The compressor will shut down with the alarm.
LABEL
SYMBOL
SYSTEM OKAY
O
O
2
2
O
2
to 85% (±2%)
SYSTEM FAILURE
O
2
Part No 1164934
WARNING
FIGURE 24.3 Oxygen Sensor
SENSO ALARM THRESHOLD
2
STATUS
GREEN Indicator Light
over 85% (± 2%)
Between 73% (± 3%) YELLOW Indicator light
A. YELLOW Solid
B. YELLOW Flashing Sensor Failure
Call a qualified technician.
RED Indicator light
Below 73% (±3%) Continuous Audible Alarm Sieve-GARD™Compressor
Shutdown
Call a qualified technician
SECTION 24—ALARM TEST
1/8-inch I.D.
Oxygen Sensor Tubing
(Clamp Off Flow)
INDICATOR LIGHTS
83 ™
Perfecto V
2