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EATON CORPORATION Cutler-Hammer
Chiller Starter (AMPGARD) Technical Data TD02003003E
Copyright 2006
15
Typical Wiring Diagram for Reduced Voltage Autotransformer RVAT Starter
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
L1
L2
Fuse
ISW
L3
Ground
Main
A
B
C
Hz
Vac
60
4160
3SA
1SA
G
rou
n
d
S
L
0
T2
Autotransformer
M
M
M
MOTOR
T1
T2
T3
G
Set MP3000 Set Point
"START" to the
Following; TRNC(100),
TRNT (Max 30 Sec),
and TRN(I).
MP
50
MP
RX
SX
R3
S5
52
51
MP
MA
RA
SA
P1
RX
MX
12
SX
2
2
R
6
5
-
(BLK
)
(WHT)
+
1
M
DC
DC
-
+
1
CO
IL
CO
NTR
O
LLE
R
1
-
(BLK
)
5
6
SB
SA
11
Set Point Sys
TP Mode 1
MP
CPT
VA
AMP
750
1
1
AC
N
RC
PT
Cust
Cust
1 PLUG
120V
12
0 V
SF1
8
STOP
START
M4
2
3
1A
M7
M5
M7
RUN
OFF
R4
Ground
PT
1 AMP
SF2
V11
MP
DP
C21
C22
C23
G
rou
n
d
C3
C2
C1
1CT
G
rou
VC
VA
VB
X2
X1
X2
X1
H3
H2
H1
X1
X2
X2
X1
9 4
(DISCRETE
IN 2)
INC. SEQ.
G2
M
P
3000
H1A
H2A
H2B
H2C
C
H1C
25
24