Braun NL502 Series, Service Manual

Page: 15 / 42

Page 13
Lift Electrical Schematic
M
BATTERY
CHASSIS GROUND
CIRCUIT BREAKER / FUSE
JUNCTION
MOTOR
MICROSWITCH
DIODE
SWITCH
SOLENOID
SYMBOL DESCRIPTION
SOLENOID
LIFT CONTROL MODULE
NO
NC
C
2
3
1 6
4
4
2 3 1
5
6
7
5 7
BK(20)
RD(18)
RD(18)
BK(18)
BK(18)
RD(20)
VT(22)
GN(22)
BK(22)
BU(22)
WH(22)
RD(22)
OR(20) BU(20) WH(20)
RD(22)
RD(22) BK(26)
RD(26)
RD(22) BK(22)
RD(22)
RD(22)
WH(26) RD(22) GN(26) BU(26)
GN(22) RD(22) BK(22)
OR(26) RD(22)
BK(22)
BK(22)
RD(20)
GN(22)
GN(22)
RD(20)
RD(22)
2 1
2 1
2
3
2 3
1
1
2 1
2 1
2 1
2 1
2
2
1
2 3
2 3
1
1
TO
GROUND
STUD
NO
NC
C
RD(22)
BK(22)
PLATFORM UNFOLD
(OCCUPIED)
MICROSWITCH
INNER
ROLL STOP
OCCUPIED
MICROSWITCH
NO
NC
C
RD(22) BK(22)
BK(22)
RD(20)
INNER ROLL STOP
DEPLOYED
MICROSWITCH
NO
NC
C
GN(22)
RD(22)
RD(20)
FLOOR LEVEL
MICROSWITCH
NO
NC
C
BN(24)
WH(24)
BN(24)
WH(24)
BK(20)
BU(20)
OUTER
BARRIER
OCCUPIED
MICROSWITCH
NO
C
FULL IN
MICROSWITCH
STOW LEVEL
MICROSWITCH
LIFT
SWITCH
BOX
NO
NC
C
FULL OUT
MICROSWITCH
NO
NC
C
6 11 10 4 7 1
6
11
10
4
7 1
2
2
9
9
8
8
5
5
12
12
3
3
4
5
3
2
1
6
5
4
1
2
3
6 5
4
1
2
3
6
BK(26)
WH(20) BU(20) BK(20) RD(26) WH(26) GN(26) OR(26) BU(26) YL/RD(20) NOT USED OR(20)
YL/RD(20)
RD(20)
RD(26)
RD(20)
RD(20)
OR/BK(20)
WH/VT(20)
2 1
2 1
YL
/ BK(18)
YL
/ WH(18)
DK BU(18)
2 1 3
2
3
1
2
3
1
5
6
4
5
6
4
1
OR(22)
DK BU(18)
YL / WH(18)
YL / BK(18)
2
1
RD(16)
RD(16)
BK(16)
2
1
2
1
OR(16)
RD(16)
GN(16)
BN(16)
YL(16) RD(16)
BK(16) BK(18)
BU(18)
BU(18)
BK(16)
GN(16)
BN(16)
YL(16)
NOT USED
OR(16)
BK/OR(16)
BK/OR(16)
BK/BU(20)
BK/BU(20)
NOT USED
NOT USED
NOT USED
WH/VT(20)
OR/BK(20)
BU(16)
WH(16)
YL(16)
GY(16)
BK(16)
BN(16)
BK(16) BK(16)
GND / PWR
MA
T
HAND PENDANT
4
3
2
1
4
3
2
1
INTERLOCK
LIFT INPUTS
ALARM
B-UP B-DOWN L-OUT L-IN
VALVE
PUMP
WH(16)
RD(16)
RD(16) OR(16)
2 1
2 1
2 1
2 1
4 3
4 3
2 1
2 1
2
1 2
1
4
5
3
2
1
6
LIFT
STOWED
INTERLOCK
TO
VEHICLE
INTERLOCK
OR(20)
OR(20)
OR(18)
+ -
BK(26)
YL(26)
RD(22)
BU(26)
WH(22)
GN(26)
BU(22)
OR(20)
OR(26)
BK(22)
RD(26)
GN(22) VT(22)
WH(26)
OR(22)
BK(6) BK(6)
24V
GND
OEM SUPPLIED
BK(16)
BK(18)
BK(18)
BK(16)
OR(16)
UP/STOW/DEPLOY
SOLENOID
STROBE/ALARM
PUMP
HYDRAULIC
(UP)
M
TO
GROUND
STUD
OR(20)
JUMPER
2 1
2
3
3
1
TO OEM
60A MEGA FUSE
ULTRASONIC
SENSOR
TO
GROUND
STUD
LIFT POWER SWITCH
INTERLOCK LED
TO
VALVE
BLOCK
SOLENOID “D”
BU(18)
BU(18)
SOLENOID “A”
BU(18)
BU(18)
SOLENOID “B”
BU(18)
NOT USED
BU(18)
SOLENOID “C”
NOTES:
1. LIFT SHOWN IN STOWED POSITION.
2. JUNCTIONS OCCUR ONLY AT
MARKED INTERSECTIONS.
SOLID BUS(20)
L
BU(26)
G
WH(26)
OR(26)
BK(26)
GN(26)
STOW
DEPLOY
DOWN
UP
RD(26)
YL(26)
LED