Lift-master BJ User Manual

Lift-Master

The Professional Line

OWNERS MANUAL

The Chmaberlain Group, Inc.
A Unit of Duchossois Industries, Inc.
845 Larch Avenue, Elmhurst, Illinois 60126

MODEL BJ

BELT JACK

SERIES B

WIRING

TYPE

COMMERCIAL DOOR OPERATOR
LISTED

TYPE STATION NUMBER FUNCTION

B 3 Button 453365 Momentary contact to open, close and stop.
B1 3 Button 453639 Momentary contact to open, close and stop plus wiring for sensing

device to stop.

B2 3 Button 453642 Momentary contract to open, close and stop plus wiring for sensing

device to reverse and auxiliary devices to open and close with
override.

C 3 Button 453636 Momentary contact to open and stop with constant pressure to

close.

C1 3 Button 453640 Momentary contact to open and stop with constant pressure to close

and wiring for sensing device to stop.

C2 3 Button 453643 Momentary contact to open and stop with constant pressure to

close.
D 2 Button 453641 Constant pressure to open and close.
D1 2 Button 453641 Constant pressure to open and close with wiring for sensing device

to stop.
E 2 Button 453638 Momentary contact to open and constant pressure to close. Release

of close button will cause door to reverse (rollback feature).
E2 2 Button 453644 Momentary contact to open with open override and constant

pressure to close.
S 1 Button 453645 Momentary contact to open and close plus wiring for sensing device

to reverse, auxiliary devices to open and close, with open override.
T 3 Button 453646 Momentary contact to open, close and stop with open override and

timer to close. Open button may be connected to activate timer if

desired. Auxiliary controls may be connected to open and activate to

close or to open and close, without activating timer.
ST 1 Button 453647 “T” type wiring with single button instead of three button operation.

(See “S” type wiring.)
TS 3 Button 453648 momentary contact open, close and stop with open override and

timer to close. EVERY device that causes door to open will activate

timer to close including sensing device to reverse. Timer may be

deactivated until next opening signal is received by depressing stop

button after door has reached open position or permanently by use

of optional timer defeat switch. Photo-cell or loop detector not

recommended for use as a sensing device to reverse with this wiring

type.
STS 1 Button 453649 ‘TS” type wiring with single button instead of three button operation.

(See ‘S” type wiring.)

Notes: 1. External interlocks may be wired into all wiring types.

2. Auxiliary devices are any devices that have only one set of contacts.
Examples are: photo-cell, loop detector, pneumatic or electric treadles,

residential radio controls, one button stations, pull cords\, etc.

3. open override means that the door may be reversed while closing by
activating an opening device without the need to use the step button first.