Time-Out Test; High Pressure Test - Invacare Perfecto2IRC5PO2AW Service Manual

SECTION 24—ALARM TEST

Time-Out Test

NOTE: For this procedure, refer to FIGURE 24.1.
1. With unit off ( ), disconnect the compressor connector from the main wiring harness.
2. Plug unit in and turn power on ( ).
3. The Time-Out Failure alarm should activate within 40 seconds. Refer to SensO2 Alarm
Threshold on page 82 for shutdown mode.
4. Replace tubing and tie wrap.
NOTE: If any alarm fails to perform to specification, contact Invacare Technical Service.
Relief Valve (Pull Out
Stem to Simulate Leak)
Compressor
FIGURE 24.1 Low Pressure Test - Time-Out Test

High Pressure Test

NOTE: For this procedure, refer to FIGURE 24.2 on page 81.
• High Pressure - Occurs when pressure in product tank rises beyond a preset value,
typically 158.58 kPa ± 6.89 kPa (23 p.s.i. ± 1 p.s.i.).
• Main Valve Coil - Alarm sequence occurs when the main valve coil, connection or
P.C. board circuitry has failed.
1. With the unit running and flow set at 5 L/min., disconnect in-line connector shown in
FIGURE 24.2.
2. The main valve coil alarm should activate within 40 seconds. Refer to SensO2 Alarm
Threshold on page 82 for shutdown mode (FIGURE 24.2).
3. Replace tubing and tie wrap.
NOTE: If any alarm fails to perform to specification, contact Invacare Technical Service.
Perfecto ™
2
80
Part No 1154245