TABLE OF CONTENTS
Perfecto
2
™
4
Part No 1154245
TABLE OF CONTENTS
SECTION 12—HEAT EXCHANGER ASSEMBLY .................................. 58
Replacing Heat Exchanger Assembly ...................................................................................................58
SECTION 13—CONTROL PANEL ...................................................... 60
Removing Control Panel.........................................................................................................................60
SECTION 14—COOLING FAN ........................................................... 62
Replacing Cooling Fan .............................................................................................................................62
SECTION 15—P.C. BOARD .............................................................. 65
Replacing P.C. Board................................................................................................................................65
SECTION 16—TRANSFORMER ......................................................... 68
Replacing the Transformer.....................................................................................................................68
SECTION 17—ON/OFF SWITCH ......................................................... 69
Replacing On/Off Switch.........................................................................................................................69
SECTION 18—FLOWMETER .............................................................. 70
Replacing Flowmeter ...............................................................................................................................70
SECTION 19—HOUR METER ............................................................ 71
Replacing Hour Meter .............................................................................................................................71
SECTION 20— 4-WAY VALVE/MANIFOLD ASSEMBLY ........................ 72
Replacing 4-Way Valve and/or Manifold Assembly...........................................................................72
Replacing Pilot Valve Poppets and O-Rings........................................................................................75
SECTION 21—PURITY INDICATORS ................................................ 78
SensO
2
Alarm Indicators ........................................................................................................................78
Operation ..............................................................................................................................................78
IRC5PO2AW/IRC5PO2VAW Indicator Lights Explanation......................................................78
SECTION 22—TIMING ..................................................................... 80
Autotuning.............................................................................................................................................80
SECTION 23—LEAK TEST ................................................................ 82
Leak Test ....................................................................................................................................................82
4 Way Valve Function Test....................................................................................................................84
SECTION 24— ALARM TEST ............................................................ 86
Alarm and Sensor Tests..........................................................................................................................86
Power Loss Alarm ...............................................................................................................................86
Low Pressure Test...............................................................................................................................86
Time-Out Test......................................................................................................................................87
High Pressure Test ..............................................................................................................................87
Oxygen Sensor .....................................................................................................................................88
P.E. Valve Coil Test .............................................................................................................................90