Carrier Supra 650 Service Manual download pdf (Page 85)

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SECTION 6

ELECTRICAL SCHEMATIC WIRING DIAGRAM

INTRODUCTION

This section contains Electrical Schematic Wiring Diagram covering the Models listed in Table 1-1. The following

general safety notices supplement the specific warnings and cautions appearing elsewhere in this manual. They are

recommended precautions that must be understood and applied during operation and maintenance of the equipment

covered herein.

WARNING

Beware of unannounced starting of the fans and V-belts caused by the thermostat and the start/stop

cycling of the unit.

WARNING

Under no circumstances should ether or any other starting aids be used to start engine.

CAUTION

Under no circumstances should anyone attempt to repair the Logic or Display Boards! Should a

problem develop with these components, contact your nearest Carrier Transicold dealer for

replacement.

CAUTION

Observe proper polarity when installing battery, negative battery terminal must be grounded.

Reverse polarity will destroy the rectifier diodes in alternator. As a precautionary measure,

disconnect positive battery terminal when charging battery in unit. Connecting charger in reverse

will destroy the rectifier diodes in alternator.

CAUTION

Under no circumstances should a technician electrically probe the processor at any point, other than

the connector terminals where the harness attaches. Microprocessor components operate at

different voltage levels and at extremely low current levels. Improper use of voltmeters, jumper

wires, continuity testers, etc. could permanently damage the processor.

CAUTION

Most electronic components are susceptible to damage caused by electrical static discharge (ESD).

In certain cases, the human body can have enough static electricity to cause resultant damage to the

components by touch. This is especially true of the integrated circuits found on the truck/trailer

microprocessor.

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Carrier Supra 650 Service Manual Page 85