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Typical Wiring Diagram for Reduced Voltage Autotransformer RVAT Starter
1CT
L
Autotransformer
M
C
Main
Fuse
ISW
L3
FIGURE 7. INDUCTION MOTOR REDUCED VOLTAGE AUTOTRANSFORMER STARTER, VACUUM CONTACTOR WITH OPTIONAL MP-3000 MOTOR
PROTECTION AND IQ METERING, START-STOP PUSHBUTTONS, AND RED AND GREEN INDICATING LIGHTS
EATON CORPORATION Cutler-Hammer Chiller Starter (AMPGARD) Technical Data TD02003003E
MOTOR
T3
T1
T2
H2A
H1A
C1
H2B
C2
H2C C
H1C
C3
25
24
H3
H2
H1
VC
S
VB
VA
M
M
B
A
1
AMP
CPT
750
VA
1 PLUG
120V
1
Ground
L1
L2
9 4
4160
Vac
MP
60
Hz
P1
C21
C22
C23
Ground
V11
SF2
1 AMP
SB
6
2
2
6
DC
DC
5 1
5
1
1
M
R
SA
MA
RA
SA
RX
SX
MX
START
STOP
G
R4
Set Point Sys
TP Mode 1
MP
11
Set MP3000 Set Point
"START" to the
Following; TRNC(100),
TRNT (Max 30 Sec),
and TRN(I).
X2
50
RUN
X1
(DISCRETE
SX
IN 2)
52
INC. SEQ.
S5
R3
MP
51
M7 M5
RX
3
M7
M4
2
1A
Copyright 2006
X2
X1
15
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