Rockwell Automation LiquiFlo 1.0 and 1.5 External Bus Resistor Kit (400 Amp) - Manual (Page 2)

2 Instruction Manual D2-3535
What You Need to Do To install the external bus resistor kit you need to:
❐ Step 1: Verify that the DC Bus Capacitors are discharged
❐ Step 2: Identify a mounting location for the resistor assembly
❐ Step 3: Drill mounting holes for the resistor assembly, using the
template
❐ Step 4: Mount the resistor assembly
❐ Step 5: Unplug connectors P1 and P2, and route harness
❐ Step 6: Connect the ground wire
❐ Step 7: Connect the harness
❐ Step 8: Verify installation
❐ Step 9: Register installation
Step 1: Verifying the DC Bus
Capacitors are Discharged
!
ATTENTION: DC Bus capacitors retain hazardous voltages
after input power has been disconnected. After disconnecting
input power, wait five (5) minutes for the DC bus capacitors to
discharge and then check the voltage with a voltmeter to ensure
that the DC bus capacitors are discharged before touching any
internal components. Failure to observe this precaution could
result in severe bodily injury or loss of life.
Task Description
Turn off and lock out input power. Wait five minutes
Verify that there is no voltage at the drive’s input power terminals
Remove front cover
Measure the DC bus potential with a voltmeter while standing on a non-conductive surface
and wearing insulated gloves (1000V)
A
B
C
D
Made in USA BARCODE
U31
FUSE1 C50 D66 D65 D64
C49 C44 U35 C43 C42 C45
U36
C39 D60
C41
D56
T11
Q6
D49 D50
R37 C35
U21 D52 D51 C36 C31
C32
FUSE2
U29 C40
R42
R40
U30
R38
L2
C37 C38
ASSY D48
C47
TP4 TP5 TP6 TP3
C46 U37 J8 D63
D61 R43 R41 U32 U33
R39 D57 D58
C34
U22 U23
U16 U17
D59 D62 DS2
U34 C48 DS3 DS4
U24 U27
D54
U18
U26
D45
D53
D47
U19 C30
D46
U28
D55
U25
U20
R15
C27 Q5 R35 T10 U14 DS1 R36
D29
D24
U6
C22 D26 C23
T3
L1 C20
C33
U15
D43 D44
T9 R29 R30
D38 D36 U13
C24
D33
D27 D28
T4 T5
R31
D10
D16 Q4
T1
R19 D12
T2
D11 U1 C13 C7
C5
C4
C1
Q2 Q1 C2 C3
R23 C14 D17 R22 D18 C15
C8
D19 C16 R24
C9
RV5
RV3
D6 D1
RV4
J6
J1
R1
RV1 R2 R3
J2
R4
R14 J3
D42
C29
C25
D35 D34
D31 U8 D30 D32 U9
R28
D20
TP1 TP2
U3
R32
U10
D39 C28 D40 D41
D37
C26 U11
R33 U7
D25 T6 C21
U4 U5
T7 T8
U2
Q3
R20
R21 D13 D14
D2 D3 D7 D8 D9 D4 D5
D15 D21 C10 D22 R25 C17 C18 R26 C11 C12
C6 RV6 RV7
R34
U12
C19 D23 R27
J7
RV8
RV2
R16 R17
R8 R9 R10
R18 J4
R5 R11 R12 R13 R6
J5
R7
1
TP2 TP1
D
Test Points for initial
DC Bus Voltage
Measurement
Pos
(+)
Neg
(-)