Q155 Service Manual
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List of Illustrations
Figure 2-1 Unpacking............................................................................................. 2-1
Figure 2-2 Position of Cabinet Filter ...................................................................... 2-3
Figure 2-3 Clean Cabinet Filter .............................................................................. 2-1
Figure 3-1 Process Schematic................................................................................. 3-1
Figure 3-2 Cabinet ................................................................................................. 3-3
Figure 3-3 Power Cord ........................................................................................... 3-3
Figure 3-4 Filling the humidifier ............................................................................ 3-4
Figure 3-5 Attaching the humidifier to oxygen outlet.............................................. 3-4
Figure 3-6 Adjusting the flowrate ........................................................................... 3-5
Figure 3-7 Compressor power connector ................................................................ 3-6
Figure 3-8 Intake solenoid coil and terminal........................................................... 3-7
Figure 3-9 Temperature sensor ............................................................................... 3-7
Figure 4-1 Cabinet fixed screws ............................................................................. 4-1
Figure 4-2 Caster replacement ................................................................................ 4-1
Figure 4-3 waste outlet/air inlet/oxygen outlet ........................................................ 4-2
Figure 4-4 Remove solenoid valve ......................................................................... 4-1
Figure 4-5 Remove solenoid coil ............................................................................ 4-1
Figure 4-6 the mounting band of sieve bed ............................................................. 4-2
Figure 4-7 The suction and feed tubes of compressor ............................................. 4-4
Figure 4-8 The power lead of compressor............................................................... 4-4
Figure 4-9 Loose relief valve.................................................................................. 4-5
Figure 4-10 The capacitor of compressor................................................................ 4-5
Figure 4-11 Intake axial fan.................................................................................... 4-6
Figure 4-12 Exhaust axial fan................................................................................. 4-6
Figure 4-13 Circuit board ....................................................................................... 4-8
Figure 4-14 Oxygen sensor board........................................................................... 4-9
Figure 4-15 Output pressure detect ........................................................................4-10
Figure 4-16 Pressure regulator...............................................................................4-10
Figure 4-17 Leads of Circuit breaker and ON/OFF switch.....................................4-11
Figure 4-18 Unscrew circuit breaker......................................................................4-11
Figure 4-19 Remove ON/OFF switch ....................................................................4-12
Figure 4-20 Oxygen monitor LED connector.........................................................4-12
Figure 4-21 Press down tabs of hour meter............................................................4-13
Figure 4-22 Remove hour meter ............................................................................4-13
Figure 4-23 Uscrew flowmeter nuts.......................................................................4-14
Figure 4-24 Buzzer................................................................................................4-14
Figure 4-25 Detect operating pressure ...................................................................4-15
Figure 5-1 Cabinet air inlet filter ............................................................................ 5-1
Figure 5-2 Air intake fine particle filter .................................................................. 5-2
Figure 5-3 Bacteria filter ........................................................................................ 5-2
Figure 8-1 Tool Kit of Service ................................................................................ 8-1