EC160B-05

EL ECTRIC IC SYSTEM SYSTEM - 1 05 ELECTR

MAIN

Engine Start and Stop Circuit

EC160B-05-01

Engine Start and Stop Circuit

EC160B-05-01a

Master Switch  Switch 

EC160B-05-02

Key Switch

EC160B-05-03

Battery Relay  Relay 

EC160B-05-04

Battery Relay  Relay 

EC160B-05-04.1

Safety Start Relay

EC160B-05-05

Safety Start Relay

EC160B-05-05.1

Safety Start Relay Operation

EC160B-05-06

Safety Limit Switch

EC160B-05-07

Alternator

EC160B-05-08

Slow Blow Fuse

EC160B-05-09 EC160B-05 -09

Slow Blow Fuse

EC160B-05-09.1

Slow Blow Fuse

EC160B-05-09a

Fuse Box

EC160B-05-10

Instrument Panel

EC160B-05-11

Instrument Panel Operation  Operation  

EC160B-05-12

Instrument Panel Circuit

EC160B-05-13

Coolant Level Sensor

EC160B-05-14

Coolant Temperature Sensor

EC160B-05-15 EC160B-05 -15

Fuel Level Sender

EC160B-05-16

Engine Oil Pressure Switch

EC160B-05-17 CLICK THE VOLVO-LOGO IN THE LOWER RIGHT CORNER

Engine Start and Stop Circuit To Auto Grease Controller

To Room Lamp, Diesel Heater, Fuel Filler Pump, DC-DC Converter

Slow Blow Fuse 40A

40A To Auto Grease Controller

F30 10A

F16 15A

F1 10A

Main Power Supply to Fuse Box

To DC-DC Converter INSTRUMENT PANEL B+

Cluster Control

B + B R R 1 R 2 C A CC CC PRE OFF ON START

80A 80A

100A AH

Slow Blow Fuse

   r   y    e    a    t   l    a   e    e   R    H    r    i    A    o    T

B+

D+ W

R2 C

IC Regulator B-

From VECU (Safety Stop)

SS

From Safety Limit SW

   U    C    E    V    o    T

ACC AS4

   U    C    E    V    o    T

   W    S  .    n    o    C    r    i    A

ES

  y    a    l    e    R    r    e   w    o    P    S    M    E

Engine Start and Stop Circuit To Auto Grease Controller

To Room Lamp, Diesel Heater, Fuel Filler Pump, DC-DC Converter

Slow Blow Fuse 40A

40A To Auto Grease Controller

F30 10A

F16 15A

F1 10A

Main Power Supply to Fuse Box

To DC-DC Converter INSTRUMENT PANEL B+

Cluster Control

B + B R R 1 R 2 C A CC PRE OFF ON START

80A 80A

140A AH

Slow Blow Fuse

   r   y    e   l    a    t    a   e    e   R    H    r    i    A    o    T

B+

D+ W

R2 C

IC Regulator B-

From VECU (Safety Stop)

SS

From Safety Limit SW

   U    C    E    V    o    T

ACC AS4

   U    C    E    V    o    T

   W    S  .    n    o    C    r    i    A

ES

  y    a    l    e    R    r    e   w    o    P    S    M    E

Master Switch

BATTERY

+

BATTERY

+

Key Switch B+ A      C       C      

C R1

B R 

  2    R

START ON

ACC

C

R1 R2

SWITCH CIRCUIT Terminal Stop(OFF) Run(ON) Start(START)

OFF

 BR

B+ BR R1 R2 C ACC

B+

pin pin

Battery Relay

Battery Relay

R1

R3

R5

R7 R9

R2

R4

R6

R8

R 11

R1 0 R 12

Safety Start Relay

Alternator "D+" Key "C"

GND

Safety limit switch

Safety Start Relay

Alternator "D+" Key "C"

GND

Safety limit switch

R1

R3

R5

R7 R9

R2

R4

R6

R8

R 11

R1 0 R 12

Safety Start Relay Operation (1) Key "C" = 24V

Alternator "D+" = 0V

Safety Limit Switch = Off

  y   a    l   e    R    t   r   a    t    S   y    t   e    f   a    S

Relay Turn On

(2)

Change Key "C" = 24V to "C" = 0V

  y   a    l   e    R    t   r   a    t    S   y    t   e    f   a    S

Relay Stay Off 2 - 4 sec.

Safety Limit Switch

N.O

Switch Off (lever lowered)

Com

Switch On (lever raised)

N.C

Com

N.O (not use)

Circuit

N.C

Alternator (Standard 80A) B+ B+ B-

D+ W

D+

W

IC Regulator B-

Volvo Construction Equipment Korea Ltd.

EC160B-05-08

Slow Blow Fuse 60A

% Current of Spec. 400% 300% 200% 100%

within 0.5 ~ 1 sec. 15 sec.

more than 5~ 100 sec. 4 hrs.

Amperage rating

Color

20A

Light blue

30A

Pink

40A

Green

50A

Red

60A

Yellow

70A

Brown

80A

Black

100A

Blue

120A

Chestnut colored

Slow Blow Fuse 60A

% Current of Spec. 400% 300% 200% 100%

within 0.5 ~ 1 sec. 15 sec.

more than 5~ 100 sec. 4 hrs.

Amperage rating

Color

20A

Light blue

30A

Pink

40A

Green

50A

Red

60A

Yellow

70A

Brown

80A

Black

100A

Blue

120A

Chestnut colored

R1

R3

R5

R7 R9

R2

R4

R6

R8

R 11

R1 0 R 12

Slow Blow Fuse 60A

% Current of Spec. 400% 300% 200% 100%

within 0.5 ~ 1 sec. 15 sec.

more than 5~ 100 sec. 4 hrs.

Amperage rating

Color

20A

Light blue

30A

Pink

40A

Green

50A

Red

60A

Yellow

70A

Brown

80A

Black

100A

Blue

120A

Chestnut colored Crimson

140A

80A

40A

140A

Fuse Box

1     0     

150%

0.25 ~ 15 sec. Color Codes

Amperage rating

Color

Amperage rating

Color

1A 3A

Black Violet

10 A 15 A

Red Light blue

4A 5A

Pink Tan

20 A 25 A

Yellow Natural(White)

7.5 A

Brown

30 A

Light green

Fuse Box

Instrument Panel

Instrument Panel Operation Indicator C/Warning Buzzer Coolant temp. Engine oil press. Over load Yes Yes Brake failure Quick fit Charging Air cleaner Yes No Coolant level Pre heating Fuel heater Parking Hi beam Turning Sig. E/steering ready E/steering oper. Auto grease No No Hammer Shear Power boost Axle lock Hyd. oil temp. Water separator Boom float

(1) Key "ACC" = 0V to "ACC" = 24V

   l   e   n   a    P    t   n   e   m   u   r    t   s   n    I

All Indicators Turn On 3 sec. Buzzer work On, Off, On

(2) Centeral warning condition or/and buzzer working condition (exclude quick fit operation) Alternator "W" signal < 4 sec.

(3) Quick fit On

Buzzer stop switch On

   l   e   n   a    P    t   n   e   m   u   r    t   s   n    I

Centeral warning Off

Buzzer Off

(4)    l   e   n   a    P    t   n   e   m   u   r    t   s   n    I

Centeral warning stay On Buzzer Off

Quick fit Off

Confirm switch On

   l   e   n   a    P    t   n   e   m   u   r    t   s   n    I

Centeral warning Off Buzzer Off

Instrument Panel Circuit   +   +    B    B

  +   +   +   +   +   +   +   +   +    B   B    B    B    B    B    B    B    B

  y    d    a    e    r    g   y    n    c    i    k    8    9    7    0    3    2   '    r    3    9    2    7    1    1    1    1    1    1   m    5   a    C   D    C    D    D    D    D    D    D    D    E   D    P

   e    r    a    p    S

   l    e    t   v    a    l    e    o    l    t    f    n    l    m    a    o    o    o    o    B    C

   r    t  .    o    p    a    r    m   e    e    t    p    e    i    l    i    s    t    f    o    r    k  .    e    i    c    d    t   y    a   u    H    W    Q

   r    e    g    m    r    n    i    a    t   w    a    l    e    e    h    r   u    e    F    P

   d    a    o    l    r    e   v    O

   e    s    a    e    r    g    o    t   u    A

   e    r   u    l    i    a    f    e    k    a    r    B

 .    p    m    r    e    e    t    n    t    a    n    e    l    a    c    l    o    r    i    o    A    C

   l    i    o    e    n    i    g    n    E

   e    g    r    a    h    C

   g    n    i    n    r    a   w    l    a    r    e    t    n    e    C

   C    C    C    C    A    A

   g    n    i    n    r    a    r   w    e    l    t    e    a    r    m    e    t    r    n   u    e    o    4    1    C    H    D    C

   L    L    L    I    L    I

   l    e   v    e    l    l    e   u    F

   r    r    n    n    m  y   n    k    t    a    e    r    r    a   '    c    s    c   i    o   u   u    o    o    t    l    o    e    h    m    t    t    e    b   m    a    b    m    r    e    h   E    l    r    S    a    H    H    e    g    L    i   x   w    R    p    H    A    o    H    o    P    0    8    2    1    D    C

   6    1    C    "    W    "    r    o    t    a    n    r    e    t    l    A

   1    1    C

   9    9    C    1    C    p    o    t    s    r    e   z   z   m   u   r    f    B   i    n    o    C

   r    e   z   z   u    B   +    B

   1   1    3    4    6    0    5    3    7    4    2    2    8    0    7    1   D    D    1    D    2    1    1    1    1    D    1    C    1    C    D    D    C    C    C    C    C    C    C

   U    C    E    V

   U    C    E    V

   U    C    E    V   +    B

10

1

20

11

Connector C(SW01)

   U    C    E    V

 .    t    n    o     C    e    s    a    e    r     G

   U    C    E    V

   U    C    E    V

1

10

11

20

Connector D (SW02)

   "   +    D    "    r    o    t    a    n    r    e    t    l    A

 .    p    m    e    t    t    n    a    l    o    o    C

   5    4    C    C

Coolant Level Sensor

Magnet

Liquid level       a

b

ON OFF Liquid

Density

a(mm)

b(mm)

Water

1.00

60.9 3

61.9 3

Oil

0.88

58.9 3

59.5 3

Coolant Temperature Sensor

Temp. (50oC) o

 Resistant 153.9

80 C

51.9

100oC

27.4

(120oC)

16.1

Fuel Level Sender

GND

Not use Signal

A Full(F)

B C 1/2

Empty(E)

A

B

C

Distance(mm)

87

360

680

Resistance( )

3

32.5

110

Engine Oil Pressure Switch for indicator

Item

Specification

Rated load

24V, 5W

Working pressure

0.7+0.2kgf/cm2 (10+3psi)

Contact point type

Normally closed type(NC) (Below the working pressure : ON, Above the working pressure : OFF)