Chamberlain GT User manual

Lift-Master
The Professional Line
The Chamberlain Group, Inc.
A Unit of Duchossois Industreis, Inc.
845 Larch Avenue, Elmhurst, Illinois 60126
OWNERS MANUAL
MODEL GT
GEARHEAD TROLLEY
SERIES B
WIRING
TYPE COMMERCIAL DOOR OPERATOR
LISTED

VOLTAGE/PHASE
SINGLE
PH THREE PH
JUMPERS
& RELAYS X X
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 ** 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)
*** 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.
JUMPERS,
RELAYS
SWITCHES &
TIMERS
WIRING TYPES * * * *
B C D E B1 C1 D1 B2 C2 E2 S T ST TS STS
J3 X X X X
J4 X X X X X X X X
X X X X X X X
J6 X X
J7 X X X X X X X X X X X X X
J8 X X X X X X X X
J9 X X X
J10 X X X X X X X X X
J11 X X
SENSING LIMIT X X X X X X X X X X X X
X X X X X X X X X X X
AUX DEVICE
LIMIT X X X X X X
TIMER IMPULSE
RELAY X X X X
TIMER LATCHING
RELAY X X X X
TIMER X X X X
3 BUTTON
STATION X X X X X X X X
2 BUTTON
STATION X X X X
1 BUTTON
STATION X X X
OVERLOAD AND CAPACITOR VALUES
SINGLE PHASE THREE PHASE
OVERLOAD VALUES CAPACITOR VALUES OVERLOAD VALUES
115 VOLT 230 VOLT CENTURY FRANKLIN 230 VOLT 460 VOLT
HP AMP PART
NO. MFD/VAC PART NO. MFD/VAC PART NO. AMP PART NO. AMP PART NO. AMP PART NO.
1/3 7452431 3.5 452429 378-
455/125 453212 386- 464/110 453213 2.20** 453377 1.00** 453375
1/2 10 452433 5 452430 378-
455/125 453212 386- 464/110 453213 2.60 453377 1.40 453375
1 15 452434 8 452432 378-
455/125 453212 431- 518/110 453214 4.00 453378 1.95 453376
2- - - - - - - - 6.20 453380 3.20 453378
3- - - - - - - - 10.50 458001 5.20 453380
MOTOR REPLACEMENT
PART NUMBER
HP 1 PHASE 3 PHASE
1/3 451347 451350
1/2 451348 451351
1 451349 451352
2-------- 451353
JUMPER CHART

TYPE STATION NUMBER FUNCTION
B3 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 contractto open, close and stop plus wiring for sensing
device to reverse and auxiliary devices to open and close with
override.
C3 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.
D2 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.
E2 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.
S1 Button 453645 Momentary contact to open and close plus wiring for sensing device
to reverse, auxiliary devices to open and close, with open override.
T3 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 orelectric 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.

114A1039 1987, The Chamberlain Group, Inc
Rights Reserved Printed in Mexico
MOTOR WIRING DIAGRAMS
1 PHASE

CONTROL CONNECTION DIAGRAM

ILLUSTRATED
PARTS BREAKDOWN
8

NOTE: * See Chart “A”. Door height will determine PART requirements.
** Door height will determine QUANTITY requirements
O
P
E
R
A
T
O
R
G
T
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1
4
3
G
T
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1
2
3
G
T
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1
2
1
G
T
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1
1
1
G
T
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2
4
3
G
T
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2
2
3
G
T
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2
2
1
G
T
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2
1
1
ITEM PT. NO. DESCRIPTION QUANTITY
A450343 GT Gear Reducer 11111111
B454022 LH GT Frame Angle 11111111
C454023 RH GT Frame Angle 11111111
D453125 3/8-16x2-1/2” Hex Hd. Cap Screw 44444444
E230503 3/8” Flat Washer 44444444
F452809 Spacer 44444444
G230601 3/8” Spllit Lockwasher
H230301 3/8-16 Hex Nut **
I452219 3/4” Keyed Flange Bushing 22222222
J450168 J Disconnect, T Ouput Shaft 11111111
K450421 3/16x3/4” Woodruff Key 44444444
L 450519 41B10x3/4’ Sprocket 11111111
M452032 5/16-18x1/4” Set Screw 55555555
N453105 3/4” Set Collar 11111111
O450420 3/16x1-1/4” Square Key 33333333
P454398 GT Clutch Assembly 11111111
Q450572 43B10x 3/4” Sprocket 11111111
R450505 41B14 x3/4” Sprocket 11111111
S451825 41 P. #41 Chain 11111111
T451804 #41 Masterlink 11111111
U93C100 GT Brake Housing 11111111
V453122 1/4-20x1/2” Hex Head Cap Screw 33333333
W230602 1/4” Split Lock Washer 33333333
X450701 Brake 11111111
Y454227 Gearhead Brake Disc Assembly 11111111
Z452085 5/16-18x2” Hex Head 22222222
AA 452076 5/18-18 Lock Nut 22222222
BB 450330 Brake Cam 11111111
CC 454004 Brake Arm 11111111
DD 451620 Brake Spring 11111111
EE 453104 10-24x5/16x1-3/8” Eye Bolt 11111111
FF 230311 10-24 Hex Nut 22222222
GG 454036 GT Elec. Box Bracket 11111111
CHART A
DOOR HT. TO ZZ PART NO. FFF PART NO
8’6” 453840 451868
10’6” 453841 451869
12’6” 453842 451870
14’6” 453843 451871
16’6” 453844 451872
18’6” 453845 451873
20’6” 453846 451874
22’6” 453847 451875
24’6” 453848 451876
ITEM PT. NO. DESCRIPTION QUANTITY
HH 230703 3/8-16x1” All Thread 4 4 4 4 4 4 4 4
II Basic Elec. Box with P.C.B. See Detail
JJ 230906 10-24 x 5/16” Hex Hd Mach.
Screw 2 2 2 2 2 2 2 2
KK 230614 # 10 Split Lock Washer 2 2 2 2 2 2 2 2
LL 231102 10-24 Square Nut 2 2 2 2 2 2 2 2
MM 171A334 Screw, Type F- #8-32x3/8” 2 2 2 2 2 2 2 2
NN 451890 65 P. #48 Chain 1 1 1 1 1 1 1 1
OO 451850 #48 Master Link 1 1 1 1 1 1 1 1
PP 232127 Roll Pin 3/16x11x16” 1 1 1 1 1 1 1 1
451348 1/2 HP, 1 Phase Motor 1 1
QQ 451351 1/2 HP, 3 Phase Motor 1 1
451349 1 HP, 1 Phase Motor 1 1
451352 1 HP, 3 Phase Motor 1 1
RR 450236 3/8” , 90’ Cable Clamp 1 1 1 1 1 1 1 1
SS 450218 115V Brake Solenoid 1 1
450219 230V Brake Solenoid 1 1 1 1 1 1
TT 232124 3/16x1-1/2” Cotter Pin 1 1 1 1 1 1 1 1
UU 451774 Brake Cable Assembly 1 1 1 1 1 1 1 1
VV 453035 5/8” Straight Through Bushing 1 1 1 1 1 1 1 1
WW 450252 Wire Tie 1 1 1 1 1 1 1 1
XX 451276 P.C.B. Electrical Box Cover 1 1 1 1 1 1 1 1
YY 454040 GT Brake Housing Cover 1 1 1 1 1 1 1 1
ZZ *Track Angle 2 2 2 2 2 2 2 2
AAA 230702 3/8-16x3/4” Hex Head Cap
Screw **
BBB 453822 Track Spacer **
CCC 453406 Trolley Slide Assembly 1 1 1 1 1 1 1 1
DDD 453435 Idler Shaft Assembly 1 1 1 1 1 1 1 1
EEE 453823 Wall Bracket 1 1 1 1 1 1 1 1
FFF *#41 Roller Chain 1 1 1 1 1 1 1 1
GGG 452030 1/4-20x1/4” Socket Hd. Set
Screw 2 2 2 2 2 2 2 2
HHH 171A334 Screw, Type F- #8-32x3/8” 6 6 6 6 6 6 6 6
III 171A333 1/4-20x1/4” Socket Hd. Set
Screw 2 2 2 2 2 2 2 2
O
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E
R
A
T
O
R
G
T
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1
4
3
G
T
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1
2
3
G
T
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1
2
1
G
T
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1
1
1
G
T
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2
4
3
G
T
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2
2
3
G
T
-
2
2
1
G
T
-
2
1
1
9

ELECTRICAL BOX
ASSEMBLY