PPCH-G™ OPERATION AND MAINTENANCE MANUAL
© 2007 DH Instruments, a Fluke Company
Page IV
5.9.1.1
POWER ENTRY AND FUSE..................................................................................................................136
5.9.1.2
POWER SUPPLIES ...............................................................................................................................137
5.9.1.3
DRIVER BOARD ....................................................................................................................................137
5.9.1.4
MINI MICRO BOARD .............................................................................................................................137
5.9.1.5
ON-BOARD BAROMETER ....................................................................................................................137
5.9.2
MECHANICAL MODULE ...........................................................................................................................138
5.9.2.1
SUPPLY PRESSURE TRANSDUCER...................................................................................................138
5.9.2.2
HI Q-RPT OR UTILITY SENSOR...........................................................................................................139
5.9.2.3
TEST VENT VALVE ...............................................................................................................................139
5.9.2.4
SUPPLY ISOLATION VAVLE.................................................................................................................139
5.9.2.5
LO Q-RPT, ISOLATION VALVE, VENT VALVE (OPTIONAL) ...............................................................139
5.9.2.6
SUPPLY ACCUMULATOR.....................................................................................................................139
5.9.2.7
FRONT PANEL ......................................................................................................................................139
5.9.2.8
ELECTRICAL CABLE TRACK ...............................................................................................................139
5.9.2.9
INLET CONTROL VALVE ......................................................................................................................140
5.9.2.10
OUTLET CONTROL VALVE ..................................................................................................................140
5.9.2.11
THERMAL PRESSURE CONTROL UNIT (TPCU) ................................................................................140
6 .
T R O U B L E S H O O T I N G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 1
7 .
A P P E N D I X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 5
7.1
DRIVERS .............................................................................................................................................145
7.2
UNIT CONVERSION............................................................................................................................146
7.2.1
PRESSURE................................................................................................................................................146
7.3
REMOTE [ENT] ...................................................................................................................................146
8 .
W A R R A N T Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 7
8.1
OVERVIEW ..........................................................................................................................................147
9 .
G L O S S A R Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 9