Ce-niehoff-co C722 & C724 Troubleshooting Guides Uživatelský manuál stáhnout pdf (Strana 2)

Page 2

TG71A

Section A: Wiring Diagrams

Figure 2 — C722 Alternator Terminals

CEN C722 Alternator

Description and Operation

C722 28 V (350 A) alternators are self-rectifying. All

windings and current-transmitting components are

non-moving, so there are no brushes or slip rings to

wear out. These alternators become externally energized

through the E terminal, connected to a switched power

source to turn on regulator.

Features of A2-212 regulator furnished with some C722

units include:

• R (or W) terminal with voltage limiter

that limits output voltage to

8V peak. Output voltage

frequency (Hz) =

alternator rpm/10.

• D+ terminal to provide signal

to vehicle electrical system,

confirming alternator

operation.

• overvoltage cutout (OVCO).

See page 4.

C722 ADE View

B– bolt terminal



D+ terminal

E terminal



B+ bolt terminal



R (or W)

terminal

CEN C724 Alternator

Description and Operation

C724 28 V (350 A) alternators are

self-rectifying. All windings and

current-transmitting components are

non-moving, so there are no brushes

or slip rings to wear out. These

alternators become externally

energized through the IGN terminal,

connected to a switched power source

to turn on regulator.

Figure 1 — C722 and C724 Wiring Diagrams

REGULATOR

RECEPTACLE

B+

Bñ

D+

RECTIFIER

DUAL

DIODE TRIO

FIELD

A2-212

REGULATOR

ALTERNATOR

LOAD

BATTERY

STATOR

IGNITION

SWITCH

CHARGE

WARNING

LIGHT OR

CONTROLLER

THERMAL

SWITCH

*Thermal switch is not factory-

installed on all models.

IGN

B–

Figure 3 — C724 Alternator Terminals

C724 ADE View

B– bolt terminal



D+ terminal

P terminal



B+ bolt terminal



IGN terminal



Features of A2-214 regulator furnished with some C724

units include:

• P terminal that can provide

optional AC voltage tap.

• D+ terminal that can provide DC voltage signal to

vehicle electrical system, confirming alternator

operation.

• Overvoltage cutout (OVCO). See page 4.

• Green lens LED. See page 4.

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