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TABLE OF CONTENTS
Perfecto
2
™
4 Part No 1148070
TABLE OF CONTENTS
SECTION 10—CHECK VALVES ......................................................... 46
Replacing Check Valves...........................................................................................................................46
SECTION 11—REGULATOR .............................................................. 48
Replacing Regulator..................................................................................................................................48
Adjusting Regulator..................................................................................................................................49
SECTION 12—HEAT EXCHANGER ASSEMBLY .................................. 51
Replacing Heat Exchanger Assembly ...................................................................................................51
SECTION 13—CONTROL PANEL ...................................................... 53
Removing Control Panel.........................................................................................................................53
SECTION 14—COOLING FAN ........................................................... 55
Replacing Cooling Fan .............................................................................................................................55
SECTION 15—P.C. BOARD .............................................................. 58
Replacing P.C. Board................................................................................................................................58
SECTION 16—TRANSFORMER ......................................................... 61
Replacing the Transformer.....................................................................................................................61
SECTION 17—ON/OFF SWITCH ......................................................... 62
Replacing On/Off Switch.........................................................................................................................62
SECTION 18—FLOWMETER .............................................................. 63
Replacing Flowmeter ...............................................................................................................................63
SECTION 19—HOUR METER ............................................................ 64
Replacing Hour Meter.............................................................................................................................64
SECTION 20— 4-WAY VALVE/MANIFOLD ASSEMBLY ........................ 65
Replacing 4-Way Valve and/or Manifold Assembly...........................................................................65
Replacing Pilot Valve Poppets and O-Rings........................................................................................68
SECTION 21—PURITY INDICATORS ................................................ 71
SensO
2
Alarm Indicators ........................................................................................................................71
Operation ..............................................................................................................................................71
Indicator Lights.....................................................................................................................................71
LX Models Indicator Light Explanation...........................................................................................71
SECTION 22—TIMING ..................................................................... 73
Autotuning.............................................................................................................................................73
Manual Tuning.......................................................................................................................................75