Chamberlain GT User manual

©
The Chamberlain Group, Inc.
A DUCHOSSOIS ENTERPRISE
845 Larch Avenue
Elmhurst, Illinois 60126
OWNER'S MANUAL
MODEL GT
SOLID STATE
INDUSTRIAL DUTY
GEARHEAD TROLLEY OPERATOR
®
COMMERCIAL DOOR OPERATOR
LISTED
NOT FOR RESIDENTIAL USE
Serial #
(located on electrical box cover)
Installation Date
Wiring Type

2
MIN. CLEARANCE
OF 2" FROM HIGH
ARC OF DOOR TO
BOTTOM OF TRACK
DOOR HEIGHT + 3' - 10 3/16"
14"
7-3/4" 26-1/16"
Additional room
needed to open
hinged electrical
box cover
13-13/16"
Ref.
WEIGHTS AND DIMENSIONS
POWER HEAD WEIGHT:........85 LBS.
HOW TO ORDER REPAIR PARTS
OUR LARGE SERVICE ORGANIZATION
SPANS AMERICA
INSTALLATION AND SERVICE INFORMATION
ARE AVAILABLE 6 DAYS A WEEK
CALL OUR TOLL FREE NUMBER 1-800-528-6563
HOURS 7:00 TO 3:30 p.m. (Mountain Std. Time)
MONDAY Through SATURDAY
IN CANADA
CALL OUR TOLL FREE NUMBER 1-800-654-4736
WHEN ORDERING REPAIR PARTS
PLEASE SUPPLY THE FOLLOWING INFORMATION:
PART NUMBER DESCRIPTION MODEL NUMBER
ADDRESS ORDER TO:
THE CHAMBERLAIN GROUP, INC.
Electronic Parts & Service Dept.
2301 N. Forbes Blvd., Suite 104
Tucson, AZ 85745
MECHANICAL
DRIVE REDUCTION:
1st Reduction:...................10:1 Gear reducer
2nd Reduction: .................#41 Chain and sprockets
Output:...............................#41 Chain
OUTPUT SHAFT SPEED: .100 R.P.M.
DOOR SPEED:.....................11 inches per sec.
BEARINGS: .......................Ball bearings on output shaft
BRAKE:..............................Solenoid drum brake
SAFETY
DISCONNECT:..................Spring loaded trolley
Disconnect arm
CLUTCH:...........................Adjustable friction type
REVERSING EDGE:.........(Optional)
Electric or pneumatic sensing device attached to the
bottom edge of door.
A REVERSING EDGE IS STRONGLY
RECOMMENDED FOR
ALL COMMERCIAL
OPERATOR INSTALLATIONS.
REQUIRED WHEN THE
3 BUTTON CONTROL STATION IS OUT OF SIGHT OF
DOOR OR ANY OTHER CONTROL (AUTOMATIC OR
MANUAL) IS USED. SEE PAGES 5 & 8.
MOTOR
TYPE:.................................Continuous duty
HORSEPOWER:................1/2, 3/4 & 1 HP
Single or Three phase
SPEED:..............................1725 RPM
VOLTAGE: .........................115/208-230 Single phase
208-230 Three phase
CURRENT:.........................See motor nameplate
SPECIFICATIONS
ELECTRICAL
CONTROL VOLTAGE:....5V dc
AUXILIARY VOLTAGE:..24V dc
CONTROL STATION:.....3 Button
OPEN/CLOSE/STOP NEMA 1
WIRING TYPE: ...............B2 (Standard)
Momentary contact to OPEN/CLOSE/STOP plus wiring
for sensing device to reverse and auxiliary devices to
open and close with open override. (Other types
available. See chart.)
LIMIT ADJUST:.................Linear driven, fully
adjustable screw type cams. Adjustable to 22 feet.

ASSEMBLE TRACK AND OPERATOR
1. Fasten track to the operator frame. DO NOT
TIGHTEN BOLTS. See Figure 1.
2. Position the trolley on the track. Attach track
spacer(s).
3. Place idler shaft bracket over end of track. There
are two holes on each side of bracket (Figure 1).
Fasten shaft bracket to end of rail assembly.
3
4. Align track so that trolley moves easily and does
not bind. Tighten all bolts.
5. Run chain around front and rear sprockets and
attach to trolley assembly with master links. Adjust
chain only until excessive slack is removed. To
retain proper tension, tighten 3/8" lock nut.
Check the identification tag mounted on the electrical box to be
sure the voltage, phase and h.p. are correct for your needs.
12/6/91 - 4/27/92
Track
Track
Spacer
Trolley
Idler
Shaft
Idler Shaft
Bracket
Header
Bracket
FIGURE 1
KEEP DOOR BALANCED. STICKING OR BINDING
DOORS MUST BE REPAIRED. DOORS, DOOR
SPRINGS, CABLES, PULLEYS, BRACKETS AND
THEIR HARDWARE MAY BE UNDER EXTREME
TENSION AND CAN CAUSE SERIOUS PERSONAL
INJURY OR DEATH. CALL A PROFESSIONAL DOOR
SERVICEMAN TO MOVE OR ADJUST DOOR
SPRINGS OR HARDWARE.
WARNING
DO NOT CONNECT ELECTRIC POWER UNTIL
INSTRUCTED TO DO SO.
CAUTION

4
FOR METAL BUILDINGS ONLY: A strong mounting
surface for the operator front header bracket is
needed. On the wall above the center stile, weld or
bolt a 2"x2"x1/4" piece of angle iron or another
suitable, heavy-duty material as shown in Figure 2.
6. Draw a vertical line on header (or reinforcement
material) above center stile of door.
7.Raise the door to its high arc point. Use a
carpenter's level to locate high arc point on wall
above door center stile as shown in Figure 3. Make
a horizontal line, intersecting the vertical centerline
mark.
8. Close the door and refer to Figure 4. Position
operator chassis on the floor with the bottom edge
of header bracket 2" above horizontal mark and
centered on vertical line. Mark mounting holes.
FOR METAL BUILDINGS: Drill 3/8" holes for
fastening bolts. FOR CONCRETE BUILDINGS: Drill
3/8" holes for anchor bolts, following manufacturer's
instructions.
NOTE: Be sure header bracket is level before
tightening the bolts.
INSTALL OPERATOR
CAUTION: AT LEAST TWO PERSONS AND A STRONG, SAFE WORKING PLATFORM ARE REQUIRED
FOR THE INSTALLATION OF OPERATOR.
Building
Support
2"x 2"x 1/4"
Angle Iron
Vertical
Centerline
Center
Stile
Carpenter's
Level Header
Wall
High Arc
Point
FIGURE 3
FIGURE 2
2" Header
Bracket
High Arc
Point of Door
FIGURE 4
Header
Wall
TO AVOID DAMAGE TO DOOR AND OPERATOR,
MAKE ALL DOOR LOCKS INOPERATIVE. SECURE
LOCK(S) IN "OPEN" POSITION.
IF THE DOOR LOCK NEEDS TO REMAIN
FUNCTIONAL, INSTALL AN INTERLOCK SWITCH.
DO NOT RUN THE OPERATOR BEFORE MAKING
LIMIT SWITCH ADJUSTMENTS.
CAUTION

9. Raise operator straight up until the door can be
raised to the full open position. See Figure 5.
Temporarily secure to ceiling or rafters with rope
or other suitable means.
10. Raise door to full open position. Place a 2x4
board on top of leading edge of door. Lower
operator to rest on 2x4 board.
Make four hangers from 2"x2"x1/4" angle iron. IT IS
RECOMMENDED THAT RAIL BE CENTER-
SUPPORTED AS WELL. Bolt the operator into place.
5
COIL CORD (OPTIONAL)
REFER TO (A) IN ILLUSTRATION
Connect operator end of coil cord to junction box (not
supplied) fastened to the wall approximately half-way
up the door opening.
Electrician must hardwire the junction box to the
operator electrical box in accordance with local
codes. REEL (OPTIONAL)
REFER TO (B) IN ILLUSTRATION
Take-up reel should be installed 12" above the top of
the door.
A
B
Reversing
Edge
Center
Stile Air Hose
Pneumatic Air Switch
Not Required or Supplied
When Electric Sensing
Edge is Used
Hanger Angles
2"x2"x1/4"
Track
Spacer
Door
Arm
Rope
Release
Door
Bracket
Building
Support
2"x2"x1/4"
Angle Iron
Trolley 5V dc Control
Wiring
FIGURE 5


FAILURE TO SUSPEND THE OPERATOR
SECURELY MAY RESULT IN SERIOUS PERSONAL
INJURY OR DEATH, AND/OR PROPERTY DAMAGE.
WARNING

CONNECT OPERATOR TO POWER SUPPLY AND INSTALL CONTROL STATION
Door Arm
Center Stile
Door
Bracket Reinforcement
Brace
Trolley
6
11. Complete the electrical connections to operator and
control station (Refer to Control Connection Diagram,
Pg. 20). Fasten the control station to the wall.
FASTEN THE WARNING NOTICE BESIDE OR
BELOW THE PUSH BUTTONS.
12. Apply power to operator. Press either the OPEN or
the CLOSE push button and observe direction of
trolley travel. Press the STOP button.
If trolley did not move in the correct direction, check
for improper wiring at control station or between
opener and control station.
If the operator is three phase and control station
wiring is correct, exchange any two of the three
incoming power leads.
CONNECT DOOR ARM AND BRACKET
14. With door CLOSED, snap door arm onto operator
trolley. Position door bracket against reinforced
center stile of top section of door. Make sure arm is
straight and centered on stile. Mark bracket holes.
Drill and fasten with 5/16" bolts.
NOTE 1: Choose a set of holes which aligns door
arm in a near vertical position.
NOTE 2: If door strut interferes with placement of
door bracket, position bracket below strut. DO NOT
CUT OR MODIFY STRUT.
Attach door arm to door bracket using 3/8"-16x1" screw
and lock nut.
WARNING
DISCONNECT POWER AT THE FUSE BOX BEFORE
PROCEEDING.
OPERATOR MUST BE PROPERLY GROUNDED AND
CONNECTED IN ACCORDANCE WITH LOCAL
ELECTRICAL CODES. THE OPERATOR SHOULD BE
ON A SEPARATE FUSED LINE OF ADEQUATE
CAPACITY.
ALL ELECTRICAL CONNECTIONS MUST BE MADE
BY A QUALIFIED INDIVIDUAL.
CAUTION
TO AVOID DAMAGE TO DOOR AND OPERATOR,
MAKE ALL DOOR LOCKS INOPERATIVE. SECURE
LOCK(S) IN "OPEN" POSITION.
IF THE DOOR LOCK NEEDS TO REMAIN
FUNCTIONAL, INSTALL AN INTERLOCK SWITCH.
WARNING
INSTALL THE CONTROL STATION WHERE THE
DOOR IS VISIBLE, BUT AWAY FROM THE DOOR AND
ITS HARDWARE. IF CONTROL STATION CANNOT BE
INSTALLED WHERE DOOR IS VISIBLE, OR IF ANY
DEVICE OTHER THAN THE CONTROL STATION IS
USED TO ACTIVATE THE DOOR,
A REVERSING
EDGE MUST BE INSTALLED ON THE BOTTOM OF
THE DOOR.
FAILURE TO INSTALL A REVERSING
EDGE UNDER THESE CIRCUMSTANCES MAY
RESULT IN SERIOUS INJURY OR DEATH TO
PERSONS TRAPPED BENEATH THE DOOR.
CAUTION
DO NOT ALLOW TROLLEY TO OVERRUN FRONT
IDLER SPROCKET OR RUN INTO OPERATOR
HEAD. LIMIT SWITCHES MAY NOT BE IN THE
PROPER POSITIONS. (See Limit Adjustments).
CAUTION
REINFORCE CENTER STILE WITH A VERTICAL
BRACE. USE A PIECE OF ANGLE IRON THAT WILL
SPAN THE HEIGHT OF TOP PANEL. DO NOT CUT
HORIZONTAL STRUT.
If electrical problems persist, call our Toll Free
number (1-800-528-6563) for assistance.
13. Operate push button so that the trolley moves
forward (toward close position). Press STOP button
when trolley is approximately 10" from front wall.
REFER TO MASTER WIRING DIAGRAM.
MAKE CONNECTION THROUGH THE 1-1/16" DIA. LABELED HOLE. DO NOT RUN CONTROL WIRES IN THE
SAME CONDUIT AS THE POWER WIRES.
WARNING
TO PREVENT ENTRAPMENT
DO NOT START DOOR DOWNWARD
UNLESS DOORWAY IS CLEAR
OPEN
CLOSE
STOP
Control Station
WARNING Notice
Push
Buttons

WARNING
TO AVOID SERIOUS PERSONAL INJURY OR DEATH
FROM ELECTROCUTION, DISCONNECT ELECTRIC
POWER BEFORE PROCEEDING WITH THE
FOLLOWING ADJUSTMENTS.
ADJUST LIMITS
MAKE SURE LIMIT NUTS ARE POSITIONED
BETWEEN LIMIT SWITCH ACTUATORS BEFORE
PROCEEDING WITH ADJUSTMENT.
1. Depress open limit switch. The operator should stop.
2.To increase door travel, spin nut away from
actuator. To decrease door travel, spin limit nut
toward actuator.
3. Adjust open limit nut so that door will top in open
position with the bottom of the door even with the
top of the door opening.
4. Repeat Steps 1 and 2 for close cycles. Be sure
close limit actuator is engaged as door fully seats
at the floor.
If other problems persist, call out toll-free number
for assistance: 1-800-528-6563.
ADJUST THE TORQUE LIMITER
1. Press OPEN button and observe door and operator.
2. If door does not move due to slippage of Torque
Limiter, press STOP button.
3. Adjust Torque Limiter as follows:
a. Bend down tab on tab washer.
b. With a 1-7/8" wrench, tighten adjusting nut 1/8th
turn.
4.Repeat Steps 1, 2 and 3b until door operates
properly.
5. Bend up at least one tab on tab washer against
adjusting nut to retain setting.
NOTE: The torque Limiter will require periodic
inspection and possibly readjustment.
CAUTION: The Torque Limiter is not intended to
be a reversing device. A pneumatic or electric
reversing edge may be added for that purpose.
If properly adjusted, the Torque Limiter will provide a
degree of protection for the door and operator by
slipping under overload conditions.
ADJUST THE BRAKE
COMPRESSION SPRING
1. Compress spring to the 9/16" dimension by turning
screw. Do NOT spread brake shoes with cone
shaped stud while adjusting spring height.
2. Test for proper brake operation and replace brake
housing cover.
3. The brake assembly is self-adjusting and should
not require further adjustment until brake shoes or
drum are replaced due to wear. Check for wear
every 3 months.
7
Open Limit
Nut
Close Limit
Nut Travel Nut
Retainer
Close Limit
Switch Open Limit
Switch
OLSCLS
SLS
ActuatorActuator
CLOSE
OPEN
Springs (2) Locking Tab Washer
(After adjustment
fold at least
one tab as shown.)
Adjusting Nut
Bearing
Frame
Compression
Spring
(177A0138)
Brake
Shoe
(1B3617)
Cone
Shaped
Stud
(179A46)
1-1/4"
(+ or – 1/32")

8
Header
Bracket
Straight
Door Arm
Assembly
1C3681
Emergency
Release Handle
Door
Bracket
12B0407
Door
Chain
Clevis
Pin
Trolley
Emergency
Disconnect
Track
Curved
Door Arm
178B0045
NOTICE
EVERY EVERY EVERY
ITEM PROCEDURE 3 MONTHS 6 MONTHS 12 MONTHS
Drive Chain Check for excessive slack.
Check & adjust as required.
Lubricate.* ●✔
Sprockets Check set screw tightness ●✔
Torque Limiter and Brake Check & adjust as required ●✔
Gear Reducer** Check for leaks and replace
seals as needed ●✔
Fasteners Check & tighten as required ●✔
Manual Disconnect Check & operate ●✔
Bearings & Shafts Check for wear & lubricate ●✔
CONNECT REVERSING EDGE
DEVICE (OPTIONAL)
The operator has been pre-wired to accept
connection of a reversing edge device. Connect the
normally open contacts to terminals T4 and T8 on the
low voltage terminal block. A cut-off switch will
deactivate the safety device during the last few
inches of the door's downward travel.
MAINTENANCE SCHEDULE
Check at the intervals listed in the following chart.
✳ Use SAE 30 Oil (Never use grease or silicone spray).
✔Repeat ALL procedures.
■ Do not lubricate motor. Motor bearings are rated for continuous operation.
■Do not lubricate clutch or V-belt.
■Inspect and service whenever a malfunction is observed or suspected.
■CAUTION: BEFORE SERVICING, ALWAYS DISCONNECT OPERATOR FROM POWER SUPPLY.
TO DISCONNECT 
DOOR FROM OPENER
Pull emergency release handle
straight down. Emergency
disconnect will open.
Emergency
Disconnect
Door Arm
TO RECONNECT
DOOR ARM TO TROLLEY
Lift free end of door arm to trolley.
Pull emergency handle to allow arm 
to engage clevis pin. Release handle. 
Emergency disconnect will close.
Emergency
Disconnect
Door Arm
EMERGENCY
DISCONNECT SYSTEM
WARNING
IF CONTROL STATION CANNOT BE INSTALLED
WHERE DOOR IS VISIBLE, OR IF ANY DEVICE
OTHER THAN THE CONTROL STATION IS USED TO
ACTIVATE THE DOOR,
A REVERSING EDGE MUST
BE INSTALLED ON THE BOTTOM OF THE DOOR.
FAILURE TO INSTALL A REVERSING EDGE UNDER
THESE CIRCUMSTANCES MAY RESULT IN
SERIOUS PERSONAL INJURY OR DEATH TO
PERSONS TRAPPED BENEATH THE DOOR.
WARNING
DOOR ARM IS RELEASED FROM TROLLEY WHEN
EMERGENCY DISCONNECT OPENS.
TO AVOID BEING STRUCK BY DOOR ARM, DO NOT
STAND UNDER THE ROPE OR DOOR ARM WHEN
PULLING THE EMERGENCY RELEASE.

9
MEMO:
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to
cause harmful interference, in which case the user will be required to correct the interference at his own expense.

GT SOLID STATE SINGLE PHASE 
WIRING DIAGRAM
P1-
12345678910
P6- P7-
E21 E4
E3 E1
E2
TB1-
XMFR SECONDARY
E6 E7
1
1
15
4
ON OFF
234
U1
P2-
P3-
L3 L2
HL1
N
P4-
E9 E8
E12
E11
E13
E16
E19
E17
E15
E20
E18
E10
Q11 Q10
Q9 Q8 Q7
E14
E5
OVERLOAD
PROTECTOR
LINE
LOAD
Orange
Blue
Black
Black Black
Blue
Blue
Internal Interlock
(when used)
Blue
Yellow
Yellow
Yellow
White White
TO
MECHANICAL
BRAKE
White
White*
OrangeOrange
Orange
RedRed
Red
Neutral 115V
208-230V, 1Ø
Hot 115V
208-230V, 1Ø
Black
Black
Red
Yellow
Black
Black
Black
Black 115V
Orange 208-230V
Black
Black
White
Orange 115V
Black 208-230V
TRANSFORMER
RADIO CONTROL
MOTOR
GND
Yellow
Blue
Blue
White
Yellow
Red
Red
Yellow
Blue
White
White
Red
3 2 1Brown
Gry./Wht.
Yellow
Open
Open / Close
Remove Jumper
to Install Interlock
Stop
Sensing Device
Close
Red
CLOSE
LIMIT
SWITCH
OPEN
LIMIT
SWITCH
NC
NO
NC
NO
SENSING
LIMIT
SWITCH
NC
NO
C
C
C
Red
White
White
White
Yellow
White
Blue
*THIS WIRE NOT USED 
WITH POWER INDUCTOR
POWER
INDUCTOR
10

12 345678 910
L3
L2 H
L1 N
TB1-
123
Open
Open / Close
Remove Jumper
to Install Interlock
RADIO CONTROL
(24V dc only)
Stop
Sensing Device
Hot 115V, 208-230V, 1Ø
Neutral 115V, 208-230V, 1Ø
Close
STANDARD POWER AND
CONTROL CONNECTION DIAGRAM
(Solid State Board CDO - 115V, 208-230V, 1Ø)
The Chamberlain Group, Inc.
1Ø Standard Power & Control Connection Diagram
Solid State CDO
2/22/94 - 2/25/94
GND
11

12
GT SOLID STATE THREE PHASE
WIRING DIAGRAM
96
T3
T2
T1 L1
L2
L3
95
P1-
P6- 41 51 P7-
E21 E4
E3 E1
E2
XMFR SECONDARY
E6 E7
1
ON OFF
234
P2- P3-
L3 L2
HL1
N
P4-
E9 E8 E12
E11 E13
E16
E19
E17
E15
E20
E18
E10
Q7
Q8 Q9
Q10 Q11
E14
E5
LINE
LOAD
Orange
Blue
Black Black
Blue
Black
White
Blue
Blue
Blue
Black
Blue
Yellow
Yellow
Yellow
White
White
Black
White
OVERLOAD
TO
MECHANICAL
BRAKE
Orange
Red
Red
Orange
Red
Black
Yellow Yellow Yellow
Wht.
White**
1/3 & 1/2 HP ONLY
Red
Orange
Red
Yellow
Yellow
Yellow
White*White
Yellow
YellowYellow
Black
Black
Blue
3/4 H.P.
& Above
Black
Black
Black
Orange
Orange Orange
Black
Black Black
TRANSFORMER
RADIO CONTROL
MOTOR
GND
Yellow
Blue
Blue
White
Yellow
Red
Red
Yellow
Blue
White
White
Red
3 2 1Brown
Gry./Wht.
Yellow
Open
Open / Close
Stop
Sensing Device
Close
Red
Internal Interlock
(when used)
External Interlock
(if required)
12345678910
TB1-
U1
CLOSE
LIMIT
SWITCH
OPEN
LIMIT
SWITCH
NC
NO
NC
NO
SENSING
LIMIT
SWITCH
NC
NO
C
C
C
Red
White
White
White
Yellow
White
Blue
3/4 HP & Above
**THIS WIRE NOT USED ON 1/3 & 1/2 HP
WITH POWER INDUCTOR
1/3 &1/2 HP ONLY
POWER
INDUCTOR
208-230V
*THIS WIRE NOT USED ON 3/4 HP
AND ABOVE WITH POWER INDUCTOR
208-230V, 3Ø
208-230V, 3Ø
208-230V, 3Ø

OPTIONAL SETTINGS
12 345678 910
L3
L2 H
L1 N
TB1-
123
Open
Open / Close
RADIO CONTROL
(24V dc only)
Stop
Sensing Device
208-230V, 3Ø
208-230V, 3Ø
208-230V, 3Ø
Close
STANDARD POWER AND
CONTROL CONNECTION DIAGRAM
(Solid State Board CDO - 208-230V, 3Ø)
GND
Set
max.
run
timer
Set
adj.
mid
stop
Set
timer
to close
Diagnostic
mode
123
OFF
4
123
OFF
4
123
OFF
4
123
OFF
4
Set Maximum Run Timer
Begin with door in closed position. Set dip switch to max. run timer
mode. Press control station open button to operate door from closed to
full open position without stopping. Set dip switch to desired operating
mode (B2, C2, D1, E2, T, TS).
Set Adjustable Mid Stop
Begin with door in closed position. Set dip switch to adj. mid stop mode.
Press control station open button to operate door from closed to mid
stop position and stop with control station stop button. Set dip switch to
desired operating mode (B2, C2, D1, E2, T, TS).
Set Timer to Close (NOTE: Requires P/N 1A4811 CPSII
Option Board with Timer to Close Function)
Set dip switch to timer to close mode. Momentarily press control station
open button to set timer duration in 5 second increments. (Red
diagnostic L.E.D. will flash to indicate the entry of each 5 second
increment into memory). To re-set timer memory to zero, press control
station close button. Set dip switch to (T or TS) operating mode after
timer is programmed.
Diagnostic Mode
Set dip switch to diagnostic mode. Flashing red diagnostic L.E.D.
indicates proper microprocessor function. If the diagnostic L.E.D. does
not light, the control logic board requires replacement.
13

OPERATING MODE
C2
D1
E2
T
TS
B2
123
OFF
4
123
OFF
4
123
OFF
4
123
OFF
4
123
OFF
4
123
OFF
4
14
TYPE STATION
B2 3 Button, 1 Button, 1 & 3 Button Radio Control
Function: Momentary contact to open, close and stop, plus wiring for
sensing device to reverse and auxiliary devices to open and close
with open override.
C2 3 Button, 3 Button Radio Control
Function: Momentary contact to open and stop with constant pressure
to close, open override plus wiring for sensing device to reverse.
D1 2 Button, 3 Button Radio Control
Function: Constant pressure to open and close with wiring for sensing
device to stop.
E2 2 Button, 3 Button Radio Control
Function: Momentary contact to open with override and constant
pressure to close. Release of close button will cause door to reverse
(roll-back feature) plus wiring for sensing device to reverse.
T* 3 Button, 1 Button, 1 & 3 Button Radio Control
Function: Momentary contact to open, close, and stop, with open
override and timer to close. Every device that causes door to open,
except a reversing device, activates timer to close. Auxiliary controls
can be connected to open input to activate the timer to close. If the
timer has been activated, the open button and radio control can
recycle the timer. The stop button will deactivate the timer until the
close button is used to close the door. (NOTE: Requires P/N 1A4811
CPSII Option Board with Timer to Close Function.)
TS* 3 Button, 1 Button, 1 & 3 Button Radio Control
Function: Momentary contact to open, close, and stop with open
override and timer to close. Every device that causes door to open,
including a reversing device, activates timer to close. Auxiliary
controls can be connected to open input to activate the timer to close.
If the timer has been activated, the open button and radio control can
recycle the timer. The stop button will deactivate the timer until the
close button is used to close the door. (NOTE: Requires P/N 1A4811
CPSII Option Board with Timer to Close Function.)
NOTE:
1. External interlocks may be used with all functional modes.
2. Auxiliary devices are any devices that have only one set of
contacts. Examples are: photocell, loop detector, pneumatic or
electrical 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 stop
button first.

T2 White
T4 YellowYellow
Motor
Cable
115V
T5 Black
Blue
Orange
T3 Orange
Black
Red T1 Blue
T8 Red
T4 YellowOrange
Motor
Cable
208-230V
T5-Black
Blue
Yellow
T1 Blue
Red
Black
T8
Red T3 Orange
T2
White
Motor 208-230V
T1
T7 T4
T2
P1
P2
T8
T3 T6
T5
T9
Yellow
Black
Blue
Orange
Red
Cable
3 PHASE
1/3 & 1/2HP 3/4HP & OVER
NEMA MOTOR WIRING DIAGRAMS
Motor 208-230V
T1
T7 T4
T2
T8
T3 T6
T5
T9
Yellow
Black
Blue
Orange
Red
Cable
DENOTES WIRENUT CONNECTION
T1 - BlueBlack
Motor
Cable
Blue
T8 - RedRed
Yellow
Orange
T4 - Yellow
T5 - Black
115V
1/3 & 1/2HP 115V only
The Chamberlain Group, Inc.
NEMA Motor Wiring Diagrams
2/19/94
1 PHASE
SINGLE VOLTAGE
15

1
2
3
NEC CLASS 2 CIRCUIT
CONTROL
WIRING
9
10
18
22
23
6
17
8
16
11
3
3
12
2
15 13 13
14
5
1
11
21
19
20
7
4
16
ILLUSTRATED PARTS - SOLID STATE ELECTRICAL BOX

17
REPAIR PARTS -
SOLID STATE
ELECTRICAL BOX
ITEM
NO.
1 1B3727 1 Terminal Assy. 3-Lug
PART NO. QTY. DESCRIPTION
2 41K4304 1 Switch Bracket Assy. (Aux. & Sensing)
3 1B3796 1 Ltd. Shaft-Sprocket Assy.
4 1B4681 1 Cover & Hinge Assy.
5 1C4691 1 Electric Box Assy.
6 1B4683 1 Wire Harness Limit Switch
7 11A012 1 Flanged Sleeve Bearing
8 12B552 1 Limit Bracket
9 31A388 1 Dome Plug
10 155B16 1 Heat Sink
11 133A182 2 Limit Nut 1/2"
12 171A411 4 Screw 4/40 x 1-1/2" Pan Head
13 216A184 2 Thrust Washer
14 216A191 1 Washer, Spring Curved
15 158A49 1 Retaining Ring 3/8"
16 184A109 4 Spacer - Stand Off - Round
DESCRIPTION MOTOR P/N
ITEM PART NO. DESCRIPTION QUANTITY
M111
1
11111
11
1
1111 11111
1
1
1
1
11
1
11
1
1
1
11
1
11 1 11111
18 1D4650 Motor
PCB Assy.
19 180C104-3 Overload 2.8 - 4.4A*
20 204B134 Transformer 115V/230V
22 1B4682 Radio Control Harness
21 180B159-0 Overload 3.5A
180B159-1
180B159-2 Overload 5A
Overload 7A
180B159-3 Overload 8A
180B159-4 Overload 10A
180B159-5 Overload 15A
180B159-9 Overload 12A
17 180B133 2 Limit Switch
1/2 HP, 115V, 1 PHASE 123D135 1/2 HP, 230V, 1 PHASE 123D135 1/2 HP, 230V, 3 PHASE 123D138 3/4 HP, 115V, 1 PHASE 123D136 3/4 HP, 230V, 1 PHASE 123D136 3/4 HP, 230V, 3 PHASE 123D139 1 HP, 115V, 1 PHASE 123D137 1 HP, 230V, 1 PHASE 123D137
1111 11111
REMARKS: *Overload to be set at 115% maximum of motors rated current.
23 1B4824 Inductor Power Assembly
1 HP, 230V, 3 PHASE 123D140

ILLUSTRATED PARTS – OPERATOR MODEL GT
7
15
15
14
23
9
13
28
27
27
16 17
29
30
29
28
31
28
32
3
11
25
26
12
8
2
24
11
10
19
20
21
22 6
CONTROL
WIRING
18
33 34
12
25 25 4
35
18

REPAIR PARTS – MODEL GT
ITEM
NO. PART NO. QTY DESCRIPTION
1 80D6 1 10:1 Gear Reducer
2 2A403 1 Torque Limiter
3 1B4314 1 Drive Shaft Assembly
4 216A182 1 Washer
5 81B84 1 #41 14Tooth Sprocket
6 12C506 1 Electric Box Mtg. Brkt.
7 12C506-1 1 Electric Box Mtg. Brkt.
8 1D4392 1 Frame Assembly
9 1B4686 1 Motor Cable Assembly
10 1B4689 1 Brake Conduit Assembly
11 41K4300 1 Ball Bearing (3/4") I.D. Kit
12 184B97 2 Spacer
13 184A123 2 Spacer
14 1A4283 1 #41 Chain, 61 Pitches
15 109A21 1 #41 Master Link
16 1A3971 1 #48 Chain, 49 Pitches
17 109A11 1 #48 Master Link
18 031C399 1 Brake Housing Cover
19 44A3 1 Brake Drum
20 1B3617 2 Brake Shoe Assembly
21 See Chart 1 Solenoid
22 177B128 1 Extension Spring
23 See Chart 1 Motor
24 See Detail 1 Electric Box
25 158A53 3 E-Ring
26 81C151 1 Sprocket
27 See Chart 2 L-Rail
28 1B4001 1 Trolley Assembly
29 1C3993 1 Bracket Assembly
30 41K4302 1 Header Assembly
31 184D113 Varies Spacer T-Rail #41 Chain
32 See Chart 1 Chain Assembly, Master Link Kit
33 179A46 1 Brake Release Stud
34 177B127 1 Compression Spring
35 146A67 1 Cotter Pin
ITEM 21
PART NO. DESCRIPTION
204B118 115V. Solenoid
204B118-1 230V. Solenoid
ITEM 27 ITEM 32 ITEM 32 ITEM 31
Door Chain #41 Chain 1 Set
Hts. Rail Qty. Assembly Qty. Master Link KIt Qty. Spacer Kit Qty.
8 Feet 183C137 2 1A4026 1 1A4034 1 1A4005 2
10' 183C137-1 2 1A4027 1 1A4034 1 1A4005 2
12' 183C137-2 2 1A4028 1 1A4034 1 1A4005 2
14' 183C137-3 2 1A4029 1 1A4034 1 1A4005 3
16' 183C138 2 1A4030 1 1A4034 1 1A4005 3
18' 183C138-1 2 1A4031 1 1A4034 1 1A4005 3
20' 183C138-2 2 1A4032 1 1A4034 1 1A4005 4
22' 183C138-3 2 1A4033 1 1A4034 1 1A4005 4
19

© 1994 The Chamberlain Group, Inc.
114A1799B All Rights Reserved Printed in Mexico
ATTENTION: The 3-Button Control Station provided must be connected for operation.
STANDARD
Stop
Close
Open
7645 7645
Open
Close Close
Open
Stop Stop
CONTROL CONNECTION DIAGRAM
3 BUTTON STATION OR 3 POSITION KEYSWITCH WITH SPRING RETURN TO CENTER AND STOP BUTTON
Stop
Close
Open
7645
Keyswitch
2 OR MORE KEY LOCKOUT
2 BUTTON STATION OR 3 POSITION KEYSWITCH WITH SPRING RETURN TO CENTER
STANDARD
Close
Open
764 764
Open
Close Close
Open
2 OR MORE
D1 & E2
MODE ONLY
D1 & E2
MODE ONLY
B2, T & TS
MODE ONLY
1 BUTTON STATION OR ANY AUXILIARY DEVICE
14
RESIDENTIAL RADIO CONTROLS
OPEN / CLOSE
OPEN TIMER TO CLOSE
4110
SENSING DEVICE TO REVERSE OR STOP EXTERNAL INTERLOCK
WIRING TYPES - ALL
48 23
ONE 2 OR MORE
REMOVE JUMPER
23
123
RADIO CONTROL
(24Vdc only)
®