01 51128C DC2000 0151128

User Manual: DC2000

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DC2000 Back-Up Wiring for the OmniControl™ Board

with Optional Equipment

SAFETY OPTIONS

System Setup
“Manual” setting: The DC2000 will respond to the input devices wired to the J 20 socket.

“Optional Edge Sensor”

This mode can also be used as an emergency override. If 115 Vac power is on, but the system has an electronic
malfunction, the gate can be operated using the DC2000 system with input devices wired to J 20 socket.

EMERGENCY
OVERRIDE

“Auto” setting: The DC2000 opens the gate automatically upon 115 Vac power failure and stays open. When 115
Vac power is restored, the gate operator will return to normal operation. (The gate can be closed by manual
command)

115 Vac Power On,
OmniControl Board™ Malfunction

115 Vac Power On,
Emergency Override

Push and Hold to
operate gate

Turn the 115 Vac power off then
push and Hold to operate gate

Push and Hold to override
the OmniControl™ Board

Gate automatically
opens

Turn the 115 Vac power off then
gate opens automatically

Push and Hold to override
the OmniControl™ Board

If 115 Vac power is on, but the system has
an electronic malfunction, the gate can be
operated using the DC2000 system with
ANY of these devices shown.

“Optional Manual One-Button”

SENSOR ALARM

Manual
Mode
Auto
Mode

115 Vac Power
Failure

DC-BACKUP

Push and “Hold” to Open
Push again and “Hold” to Close

“Optional Photocell Sensor” 12 VDC

POWER
OVERLOAD
Part # AOMRON12V

OmniControl™ Board
Sensor Connection

Part # AEXITP

Power Ground

4 5

Power +12 VDC

4

USE ONLY 12 VDC FAILSAFE PHOTOCELL
SENSORS FOR THIS SAFETY OPTION
Failsafe Photocell: If a photocell is not
working or loses power or photo beam is
blocked, then the photocell will stop all gate
operation.

6

“Optional Key Switch”
r
00 Ha
DC20

ness

If the DC2000 is automatically opening the gate
due to a power failure, any manual command such
as “Manual One-Button”, “Three Push Button”,
“Key Switch”, “Photocell” or “Edge Sensor” will
cancel the automatic mode of the DC2000. After
such cancellation, the DC2000 will continue to
operate in manual mode until 115 Vac power is
restored.

DO NOT wire
115 Vac power
to the DC2000

1

56
4
3
2

4

7

5
E

OPEN

J 20
Socket

3

CLOS

4
Part # A1KX

Inte

rlo

ck

As

Turn and “Hold” to Open

sem

bly

Wir

e

Turn again and “Hold” to Close

To Limit Switches

Interlock
Assembly

ON

OFF

“Optional Three-Button”

N.O.

4

2

4

1

4

Com

EXIT

SAFETY

CENTER

3

N.O.

N.O.

Com

“Optional Radio Receivers”

SENSOR ALARM

DC-BACKUP

Com

Push and “Hold” a Button to operate

W4

SYSTEM ON

TIMER

3

1

3

REVERSE
SENSOR

1

60

1

OFF

OPEN RIGHT

STRIKE
OPEN

RADIO
RECEIVER

GATE
LOCKED

EXIT
LOOP

SAFETY
LOOP

CENTER
LOOP

RESET
MOTOR

DO NOT remove existing wires
from the audio alarm or
secondary protection sensor.

LOSE
CLOSE
CLO

COMMAND
PROCESSED

CENTER SAFETY

FIRE
DEPT.

MADE IN CHINA
A

5 6
4 4

P/N Q410

+

B

A

Center
Loop

M/S Link

Exit
Loop

Fire Dept
Key Switch

Strike Open
Push Button

Radio
Receiver

J5

Class 2
Supply
24 Volts DC

CK
BACK
-B
J5 DC-BACKUP

Black 120
White Neutral
Green Ground

CAUTION
Vac

CHASSIS
GROUND

Safety
Loop

SENSOR ALARM

OmniControl Surge SuppressorPatent Pending
11 12 13

G

4
3 Factory installed
Interlock Assembly
Wires to J20 Socket

DC2000 Harness

For Technical Support
and Ordering Parts:
1-800-528-2806

13
12
11
11

Radio Receiver +

Radio Receiver -

4

Part # 312HM

Jumper P2:
to Constant (C)
Jumper P3:
to 12 Volt

Button Three:
Optional Accessories

White Wire
Audio Alarm
Wires

POWER
OVERLOAD

1
2
3

Red Wire

11
13
11
12

Cut and
Discard Plug

DC er
V
2
te 1 Receiv
a
r
a
Sep Radio
00
0
2
DC

3

ON

OPEN LEFT

Refer to Receiver
Manual for Further
Details about settings.

POWER
OVERLOAD

3

EXIT

ALARM
SENSOR

SENSORS

OPEN

MS LINK

STOP

G B A

1
2
3
4

DC
24 V nstalled
ry I
r
o
t
c
eive
Fa
c
e
io R
Rad

Button Two:
Back-Up Operation
(DC2000)

Button One:
Normal Gate
Operation
(OmniControl™ Board)

Part # 373LM

Green and Purple wires
wrap behind board to
the limit switches

Button One:
Normal Gate Operation Only
(OmniControl™ Board)

Push and “Hold” DC2000 Remote Button to Open
Push again and “Hold” DC2000 Remote Button to Close

DC2000 Back-Up Installation

for SL3000UL™ models

SL3000UL™ & SL3000ULDM™ Step-by-Step DC2000 Installation
STEP 1

STEP 2
A
B
C

Bolt the DC2000 plate and guard to the operator chassis. Do not tighten the
bolts. Adjustment is required in Step 3.

STEP 3
A
B

Bolt the DC2000 control unit to the plate.
Bolt the DC motor to the plate.
Connect the DC motor wires to the DC2000 control unit wires. Red to Red and Black to Black.

STEP 4
A
B
C
D

Replace the existing belt with the new belt provided. Make sure that the pulleys are aligned.
Pull down the DC2000 Plate to tighten the belt tension. Tighten the plate bolts to secure the plate.

Remove the OmniControl™ board from the electrical box.
Plug in the DC2000 harness into the DC2000 control unit.
Feed the DC2000 harness through the bottom of the electrical box.
Feed the green and purple wires to the limit box.

OFF

Existing Belt

ON

D

A
A

A

DC2000
Control Unit

C

Plate

DC Motor

Bolts

W4

B

Plate

STEP 5

STEP 6

A
B
C
D

A
B

A

Do not over tighten belt

B

SL3000UL™

SL3000ULDM™

Use 4L 370 Belt

Use 4L 400 Belt

STEP 7

Connect the purple and green wires to the limit switches.
Make sure brown wire is in the “Common” connector on the limit switch.

A

Set switch for the gate
direction. (Open left or
Open right)

B

Select your mode of
operation for the DC2000
unit. (Automatic open or
Manual open)

C

Permanently wire optional
controls according to label
on control unit. (See back
page)

D

Adjust the sensitivity for
the reverse sensor.

Top View of Limit Switch Box

ON

Reinstall the OmniControl™ board and make sure that the green and purple wires do not get pinched by the board.
Plug in the DC2000 harness in the DC-BackUp J5 slot on the OmniControl™ board.
Connect the red wire from the DC2000 harness into the top slot of the audio alarm plug. (DO NOT remove audio alarm wires)
Connect the white wire from the DC2000 harness into the bottom slot of the sensor plug.

OFF

B

B

Guard

C

2

NC

NC

NO
3
COM

NO

2

1

B

3
COM

B

Yellow
Orange
Purple

CK
BACK
-B
DC-BACKUP

1

Brown
Red
Green

J5

SENSOR ALARM

B

W4

D

A

C

A

D
A

POWER
OVERLOAD

C

SL3000UL™ & SL3000ULDM™ with Interlock Assembly Step-by-Step DC2000 Installation
Bolt the DC2000 plate and guard to the operator chassis. Do
not tighten the bolts. Adjustment is required in Step 3.

A
B
C

STEP 4

STEP 3

Bolt the DC2000 control unit to the plate.
Bolt the DC motor to the plate.
Connect the DC motor wires to the DC2000 control unit wires. Red to Red and Black to Black.

A
B
C
A

STEP 5
Unplug interlock wire from
OmniControl board, cut the plug
off and strip wires. Insert Red
wire in J-20 socket 3 and
Black wire into socket 4 of the
DC2000.

Remove interlock assembly from motor with 3 screws.
Replace the existing belt with the new belt provided. Make sure that the pulleys are aligned.
Pull down the DC2000 Plate to tighten the belt tension. Tighten the plate bolts to secure the plate.
Reattach interlock assembly.

A
B
C
D

Remove the OmniControl™ board from the electrical box.
Plug in the DC2000 harness into the DC2000 control unit.
Feed the DC2000 harness through the bottom of the electrical box.
Feed the green and purple wires to the limit box.

D
OFF

Existing Belt

A
Interlock
Assembly

B

B

DC2000
Control Unit

A

A
C

Plate

DC Motor

C

Bolts

ON

STEP 2

STEP 1

W4

C

Plate

A

C

STEP 6

B

SL3000UL™

SL3000ULDM™

Use 4L 370 Belt

Use 4L 400 Belt

Socket 3 & 4

A
B

STEP 8

Connect the purple and green wires to the limit switches.
Make sure brown wire is in the “Common” connector on the limit switch.

A

Set switch for the gate
direction. (Open left or
Open right)

B

Select your mode of
operation for the DC2000
unit. (Automatic open or
Manual open)

C

Permanently wire optional
controls according to label
on control unit. (See back
page)

D

Adjust the sensitivity for
the reverse sensor.

Top View of Limit Switch Box

ON

Reinstall the OmniControl™ board and make sure that the green and purple wires do not get pinched by the board.
Plug in the DC2000 harness in the DC-BackUp J5 slot on the OmniControl™ board.
Connect the red wire from the DC2000 harness into the top slot of the audio alarm plug. (DO NOT remove audio alarm wires)
Connect the white wire from the DC2000 harness into the bottom slot of the sensor plug.

7

Do not over tighten belt

STEP 7

OFF

A
B
C
D

1

B

Guard

56
234

2

NC

NC

NO
3
COM

2

NO
3
COM

B

Yellow
Orange
Purple

CK
BACK
-B
DC-BACKUP

1

Brown
Red
Green

B

SENSOR ALARM

J5

D

A

C
W4

1

B
A

D
POWER
OVERLOAD

A
C

For Technical Support and Ordering Parts:
1-800-528-2806
01-51128C

© 2013 The Chamberlain Group, Inc.
All Rights Reserved

845 Larch Avenue Elmhurst, Illinois 60126

www.liftmaster.com



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