Lift-Master GJ User Manual
Lift-Master
The Professional Line
OWNERS MANUAL
GEARHEAD JACKSHAFT
The Chamberlain Group, Inc.
A Unit of Duchossois Industries, Inc.
845 Larch Avenue, Elmhurst, Illinois 60126
MODEL GJ
SERIES B
WIRING
TYPE
COMMERCIAL DOOR OPERATOR
LISTED
VOLTAGE/PHASE
SINGLE
PH
JUMPERS
& RELAYS
JA X
JB X X
JC X X X X
JE X X
J1 X X X
J2 X X X
120V LR RELAY X
240V IR RELAY X
INLINE OVERLOAD X X
TIME CAPSULE*** X
* OPTIONAL ADJUSTABLE TIMER FUNCTION
AVAILABLE TO ACTIVATE WARNING SYSTEM
PRIOR TO AUTOMATIC DOOR CLOSING
(REQUIRES 115V POWER SOURCE IF
OPERATOR IS NOT 115 VOLT.)
** MOTORS AT THESE RATINGS ARE SUPPLIED
AS STANDARD WITH AN INTERNAL,
AUTOMATIC RESETTING OVERLOAD. (IN LINE
OVERLOADS ARE OPTIONAL)
X X
**
THREE
PH
X X
JUMPER CHART
JUMPERS,
RELAYS
SWITCHES &
TIMERS
J3
J4
J6
J7
J8
J9
J10
J11
SENSING LIMIT
AUX DEVICE
LIMIT
TIMER IMPULSE
RELAY
TIMER LATCHING
RELAY
TIMER
3 BUTTON
STATION
2 BUTTON
STATION
1 BUTTON
STATION
WIRING TYPES * * * *
B C D E B1 C1 D1 B2 C2 E2 S T ST TS STS
X X X X
X X X X X X X X
X X X X X X X
X X
X X X X X X X X X X X X X
X X X X X X X X
X X X
X X X X X X X X X
X X
X X X X X X X X X X X X
X X X X X X X X X X X
X X X X X X
X X X X
X X X X
X X X X
X X X X X X X X
X X X X
X X X
*** L5 SEC. DELAY TO OPEN TIME CAPSULE
ALLOWS LARGE DOORS TIME TO SETTLE
DOWN BEFORE REVERSING TO OPEN
POSITION.
NOTE: ELECTRIC EYES AND LOOP
DETECTORS ARE NOT TO BE USED AS
SENSING DEVICES TO STOP OR REVERSE
WHEN TS OR STS WIRING TYPES ARE USED.
OVERLOAD AND CAPACITOR VALUES
SINGLE PHASE THREE PHASE
OVERLOAD VALUES CAPACITOR VALUES OVERLOAD VALUES
115 VOLT
HP AMP PART
1/3
7
1/2 10 452433 5 452430 3781 15 452434 8 452432 3782
- - - - - - - -
3
- - - - - - - -
NO.
452431 3.5 452429 378-
230 VOLT CENTURY FRANKLIN 230 VOLT 460 VOLT
MFD/VAC PART
NO.
MFD/VAC PART
NO.
453212 386-
455/125
453212 386-
455/125
453212 431-
455/125
MOTOR REPLACEMENT
HP 1 PHASE 3 PHASE
AMP PART
NO.
453213 2.20** 453377 1.00** 453375
464/110
453213 2.60 453377 1.40 453375
464/110
453214 4.00 453378 1.95 453376
518/110
PART NUMBER
AMP PART NO.
6.20 453380 3.20 453378
10.50 458001 5.20 453380
AMP
PART
NO.
1/3 451347 451350
1/2 451348 451351
1 451349 451352
2 -------- 451353
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.
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