Invacare IRC5PO2 Manuale Utente
SECTION 24—ALARM TEST
81
4. Replace tubing and tie wrap.
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 SensO
Threshold on page 83 for shutdown mode.
4. Replace tubing and tie wrap.
NOTE: If any alarm fails to perform to specification, contact Invacare Technical Service.
FIGURE 24.1 Low Pressure Test - Time-Out Test
High Pressure Test
NOTE: For this procedure, refer to FIGURE 24.2 on page 82.
• High Pressure ‐ Occurs when pressure in product tank rises beyond a preset value,
typically 23 p.s.i. ± 1 p.s.i. for 5 liter and 27 p.s.i. ± 1 p.s.i. for 10 liter.
• 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
2. The main valve coil alarm should activate within 40 seconds. Refer to SensO
Threshold on page 83 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.
/O
I/
Relief Valve (Pull Out
Stem to Simulate Leak)
Compressor