Chamberlain GH User manual

OWNER'S MANUAL
GH
SOLID STATE
INDUSTRIAL DUTY DOOR OPERATOR
LOGIC CONTROL
L
C2 Wiring
FACTORY SET
See pages 13 & 14
for other wiring
configurations
NOT FOR RESIDENTIAL USE
LISTED DOOR OPERATOR
41B6
Serial #
(located on electrical box cover)
Installation Date
Wiring Type
2 YEAR WARRANTY

2
SPECIFICATIONS
MECHANICAL
DRIVE REDUCTION:.............40:1 Reduction
Heavy duty bronze worm
gear reducer
OUTPUT SHAFT SPEED:.....43 R.P.M.
DOOR SPEED:......................4 - 10" per sec.
depending on door
BRAKE: .................................Solenoid actuated disc
brake
HOIST WHEEL:.....................Standard mounting on
left or right side
SAFETY
DISCONNECT:.............Floor level chain hoist with elect-
rical interlock for emergency manual door operation
CLUTCH: (optional)....Adjustable torque limiter 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.
MOTOR
TYPE: .................................Continuous duty
HORSEPOWER: ................1/2, 3/4, 1, 1-1/2 Hp
Single or Three phase
2 HP Three phase
SPEED:...............................1725 RPM
VOLTAGE: .........................115-230 Single phase
230 Three phase
CURRENT: .........................See motor nameplate
ELECTRICAL
CURRENT VOLTAGE:.....5V dc
AUXILIARY VOLTAGE:...24V dc
CONTROL STATION: .....NEMA 1 three button station.
OPEN/CLOSE/STOP
WIRING TYPE:.................C2 (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, Pg. 14)
LIMIT ADJUST:................Linear driven, fully
adjustable screw type cams. Adjustable to 30 feet.
14.00”
WEIGHTS AND DIMENSIONS
HANGING WEIGHT:.........80-110 LBS.
Hand Chain Wheel
See
Note #1
See
Note #2
A
X
B
Y
C
D
Y
See
Note #3
A
11-1/2
12-1/2
12-3/4
12-3/4
11
11
12
12-1/2
12-3/4
13-1/4
B
25-3/4
26-3/4
27
27
25-1/4
25-1/4
26-1/4
26-3/4
27
28-5/8
C
12-63/64
12-63/64
12-63/64
13-63/64
12-63/64
12-63/64
12-63/64
13-63/64
13-63/64
15-15/64
D
3
3
3
3-1/2
3
3
3
3-1/2
3-1/2
3
1/2
3/4
1
1-1/2
1/2
3/4
1
1-1/2
2
3
1
1
1
1
3
3
3
3
3
3
HP DIMENSIONS
NOTES:
1) Output Shaft with 1” x 1/4” Key for 1/2 thru 2Hp operators, 1-1/4” x 1/4” Key for 3Hp operators.
2) MT’G CENTERS: X = 4-3/4”; Y = 5-1/2” for 1/2 thru 2Hp operators
X = 7-17/32”; Y = 9-1/16” for 3Hp operators
3) Hand Chain Wheel extends 1-5/8” beyond operator in vertical mounting position as shown.
PHASE

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 CONNECT ELECTRIC POWER UNTIL
INSTRUCTED TO DO SO.
3
2-1/4"
FIGURE 1
Shaft Support Bracket
with Bearing (Not Supplied)
Door Sprocket
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. CALL A PROFESSIONAL DOOR
SERVICEMAN TO MOVE OR ADJUST DOOR
SPRINGS OR HARDWARE.
CAUTIONCAUTION WARNING
SITE PREPARATIONS
It is imperative that the wall or mounting surface
provide adequate support for the operator.
This surface must:
a) Be rigid to prevent play between operator and
door shaft.
b) Provide a level base.
c) Permit the operator to be fastened securely and
with the drive shaft parallel to the door shaft.
The safety and wear of the operator will be adversely
affected if any of the above requirements are not met.
For metal buildings, fasten 2” x 2” x 3/16” (or larger)
angle iron frames to the building purlins. Retain
5-1/2” between frames. See Figure 1.
OPERATOR PREPARATION
IMPORTANT SAFETY NOTES
5-1/2”
CAUTION
CONNECT REVERSING EDGE
SWITCH - SEE INSTALLATION
INSTRUCTIONS
FOR INDOOR USE ONLY
INSTALL MORE THAN 8 FT. ABOVE DOOR
LOCATE CONTROL STATION SO THAT DOOR IS WITHIN
SITE OF PERSON OPERATING THE CONTROL. DOOR
MUST BE CONTROLLED BY 3 BUTTON STATION
Cotterpin
Disconnect Lever
Cutout for Rollpin
(typical both sides)
Hand
Chain Wheel
Chain Guide
The GH operator may be mounted on either the right (standard) or left side of door, and in either a vertical
(standard) or horizontal mounting position. Refer to the steps below if you require the hand chain and/or
disconnect chain to be on the opposite side of the operator; Or if the operator is being mounted in a horizontal
position.
Hand Chain Right/Left Conversion
Remove the two snap rings (1 pc. outer, 1 pc inner)
on hand chain shaft assembly. Position roll-pin to fit
through cutout in frame and slide complete shaft
assembly through housing and bevel gear. Insert
shaft assembly on opposite side of housing, and
replace bevel gear, bearing, hardware, and snap rings
on the opposite side of shaft in the same manner.
Disconnect Lever Right/Left Conversion
Remove cotter pins on the ends of the disconnect
shaft (square shaft), move the disconnect lever arm to
the opposite side, and replace the cotter pins. Be
sure to keep two(2) 12ga. washers on the side without
the lever arm.
Horizontal Mounting Conversion
Remove cotter pins on the ends of the disconnect
shaft (square shaft), and remove lever. Replace lever
using square hole on opposite end of lever.
Reposition sash chain to opposite end of lever also.
Replace cotter pins.
FIGURE 2

4
1a. Wall Mounting
The operator should generally be installed below
the door shaft, and as close to the door as
possible. The optimum distance between the door
shaft and operator drive shaft is between 12” - 15”.
Refer to Figure 3.
OPERATOR MOUNTING
IMPORTANT: The shelf or bracket must
provide adequate support, prevent play
between operator and door shaft, and permit
operator to be fastened securely and with the
drive shaft parallel to the door shaft.
1b. Bracket or Shelf Mounting
The operator may be mounted either above or
below the door shaft. The optimum distance
between the door shaft and operator drive shaft is
between 12” - 15”. Refer to Figure 4.
1c. Place door sprocket on the door shaft. Do not
insert the key at this time.
2. Place drive sprocket on the appropriate side of
the operator. Do not insert the key at this time.
3. Wrap drive chain around door sprocket and join
roller chain ends together with master link.
4. Raise operator to approximate mounting position
and position chain over operator sprocket.
5. Raise or lower operator until the chain is taut (not
tight). Make sure the operator output shaft is
parallel to door shaft and sprockets are aligned.
When in position, secure the operator to wall or
mounting bracket.
6. Align sprockets and secure, (see Figure 5).
FIGURE 4
FIGURE 3
Before your operator is installed, be sure the door has been properly aligned and is working smoothly. The
operator may be wall mounted or mounted on a bracket or shelf. If necessary, refer to the operator preparations
on page 3. Refer to the illustration and instructions below that suits your application.
Typical Right Hand
Wall Mounted Operator
Optimum Distance
12 - 15”
Optimum Distance
12 - 15”
OPTIONAL
Mounting Bracket
P/N 08-9098
Be sure door
sprocket is properly
aligned with drive
before securing to
the shaft.
Chain Keeper
FIGURE 5

These operators are equipped with a manual hoist.
An electrical interlock will disable the electrical
controls when the hoist is used.
To operate the hoist:
1. Pull the disconnect chain (small chain) to engage
the hoist mechanism. The disconnect chain may be
locked in position by slipping the end through the
keyhole of the chain keeper mounted on the wall.
2. Operate the door in the desired direction by pulling
on one side or the other of the continuous loop hoist
chain (large chain).
3. The disconnect chain must be released from the
chain keeper before the door will operate again
electrically.
5
7. Install Hand Chain
Place hand chain around hand chain wheel. Be
sure to pass it through both openings in the chain
guide. Remove enough links so chain hangs
approximately two feet above the floor
EMERGENCY MANUAL OPERATION
This operator has provisions for manually operating the door in case of emergency or power failure. Refer to the
appropriate instructions below for your model operator.
Model GH
Chain Keeper
(with pad locking provisions)
8. Mount Chain Keeper / Keyhole Bracket
Using suitable hardware mount the chain keeper
approximately 4 feet above the floor, near the free
hanging chain. Remove disconnect sash chain
from bag and place the end through the keyhole
in the the chain keeper. Remove excess links if
necessary.
Electrical Interlock with Hoist for Models H and HJ
TURN OFF POWER TO THE OPERATOR BEFORE
MANUALLY OPERATING YOUR DOOR.
CAUTIONCAUTION
BRAKE ADJUSTMENT
The brake is adjusted at the factory and should not need additional adjustment for the the life of the friction pad.
Replace friction pads when necessary. Refer to the illustration for identification of components for the solenoid
type brake system.
Friction Pads
Release Lever
Plate Assembly
Solenoid
Solenoid Brake System
ACTUATOR PLATE

6
TO AVOID SERIOUS PERSONAL INJURY OR DEATH
FROM ELECTROCUTION, DISCONNECT ELECTRIC
POWER BEFORE MANUALLY MOVING LIMIT NUTS.
WARNING
LIMIT SWITCH ADJUSTMENT
MAKE SURE THE LIMIT NUTS ARE POSITIONED BETWEEN THE LIMIT SWITCH ACTUATORS BEFORE
PROCEEDING WITH ADJUSTMENTS.
SENSING EDGES
All types of sensing edges with an isolated normally
open (N.O.) output are compatible with your
operator. This includes pneumatic and electric
edges. If your door does not have a bottom sensing
edge and you wish to purchase one, contact the
supplier of your operator.
If not pre-installed by the door manufacturer, mount
the sensing edge on the door according to the
instructions provided with the edge. The sensing
edge may be electrically connected by either coiled
cord or take-up reel. Refer to the steps below
Important Notes:
a) Proceed with Limit Switch Adjustments before
making any sensing edge wiring connections to
operator as described below.
b) Electrician must hardwire the junction box to the
operator electrical box in accordance with local
codes.
ENTRAPMENT PROTECTION ACCESSORIES (OPTIONAL)
IT IS STRONGLY RECOMMENDED THAT A
SENSING EDGE OR OTHER ENTRAPMENT
PROTECTION DEVICE BE USED IN
CONJUNCTION WITH THIS OPERATOR.
TAKE-UP REEL: Take-up reel should be installed
12" above the top of the door.
COIL CORD: Connect operator end of coil cord to
junction box (not supplied) fastened to the wall
approximately halfway up the door opening.
If other problems persist, call our toll-free number for
assistance - 1-800-528-2806.
Retaining Plate
CLOSE Limit Switch
SAFETY
(Aux. Close) Limit Switch
OPEN Limit Switch
1. To adjust limit nuts depress retaining plate to allow
nut to spin freely. After adjustment, release plate
and ensure it seats fully in slots of both nuts.
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 stop in open
position with the bottom of the door even with top
of door opening.
4. Repeat Steps 1 and 2 for close cycle. Adjust close
limit nut so that actuator is engaged as door fully
seats at the floor.
Actuator

7
WARNING
TO PREVENT ENTRAPMENT
DO NOT START DOOR DOWNWARD
UNLESS DOORWAY IS CLEAR
OPEN
CLOSE
STOP
Control Station
WARNING Notice
Push
Buttons
WARNING
DISCONNECT POWER AT THE FUSE BOX BEFORE
PROCEEDING.
OPERATOR MUST BE PROPERLY GROUNDED AND
CONNECTED IN ACCORDANCE WITH LOCAL
ELECTRICAL CODES. NOTE: THE OPERATOR
SHOULD BE ON A SEPARATE FUSED LINE OF
ADEQUATE CAPACITY.
ALL ELECTRICAL CONNECTIONS MUST BE MADE
BY A QUALIFIED INDIVIDUAL.
WARNING
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.
1. Complete electrical connections to the operator
and the control station. Fasten the control station
to the wall and MOUNT THE WARNING NOTICE
BESIDE OR BELOW THE PUSH BUTTON
STATION.
2. Apply power to the operator. Press OPEN push
button and observe direction of door travel and
then Press the STOP button.
If door did not move in the correct direction,
check for improper wiring at the control station or
between operator and control station.
If the operator is three phase and control station
wiring is correct, exchange any two of the three
incoming power leads.
If electrical problems persist, call our Toll Free
number for assistance (1-800-528-2806).
CABLE CONNECTION NOTE:
Be sure to use the control box opening with the
7/8” dia. hole for CONTROL cable(s). All power wires
use the 1-1/16” dia. hole.
Refer to Control Connection Diagrams on pages
11 & 14. Make connection through hole labeled for
control. Do not run control wires in the same
conduit as power wires.
Before installing control station be sure to follow all warnings described below. Failure to do so may
result in severe injury to persons and/or damage to operator. Do not install any wiring or attempt to run
the operator without consulting the wiring diagram. Install the optional Reversing Edge before proceeding
with the Control Station installation.
IMPORTANT: Mount WARNING NOTICE beside or
below the push button station.
IMPORTANT SAFETY NOTES CONTROL STATION WIRING
MOUNT WARNING NOTICE
INSTALL POWER WIRING & CONTROL STATION
1-1/16” dia. Power
Wiring Access Hole
7/8” dia. Control
Wiring Access Hole
(Opposite Side)

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 - 1-800-528-2806
HOURS 7:00 TO 3:30 p.m. (Mountain Std. Time)
MONDAY Through SATURDAY
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
MAINTENANCE SCHEDULE
8
✳✳Use SAE 30 Oil (Never use grease or silicone spray).
✔✔Repeat ALL procedures.
■■Do not lubricate motor. Motor bearings are rated for continuous operation.
■■Inspect and service whenever a malfunction is observed or suspected.
■■CAUTION: BEFORE SERVICING, ALWAYS DISCONNECT OPERATOR FROM POWER SUPPLY.
Check at the intervals listed in the following chart.
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 ●●✔✔
Fasteners Check & tighten as required ●●✔✔
Manual Disconnect Check & Operate ●●✔✔
Bearings & Shafts Check for wear & lubricate ●●✔✔

9
NEMA MOTOR WIRING DIAGRAMS
SINGLE VOLTA G E
1/3 & 1/2HP 115V ONLY
1 PHASE
3 PHASE
Motor
Purple
Grey
Blue
Yellow
Cable
T1-Blue
T4-Yellow
T5-Black
T8-Red
Motor
Grey
Blue
Purple
Yellow
Cable
T2-White
T4-Yellow
T5-Black
T8-Red
T3-Orange
T1-Blue
115V
115V
Motor
Blue
Purple
Yellow
Cable
T4-Yellow
T5-Black
T1-Blue
208-230V
T3
Orange
T2
White
T8
Red
Grey
(Not Used)
Motor
Grey
Brown
Brown
Purple
Yellow
Cable
T1
T2
T6
208-230V
T4
T5
T7
T3
T9
T8
Motor
Grey
Brown
Brown
Purple
Yellow
Cable
T1
T2
T6
208-230V
T4
T5
T7
T3
T9
T8
P1
P2
1/3, 1/2 & 3/4 Horsepower 1 Horsepower and above
115V BRAKE SOLENOID
(WHEN REQUIRED)
BLACK/BLUE
BLACK/BLUE
230V BRAKE SOLENOID
(WHEN REQUIRED)
BLACK/BLUE
BLACK/BLUE
230V BRAKE SOLENOID
(WHEN REQUIRED)
BLACK/BLUE
BLACK/BLUE
230V BRAKE SOLENOID
(WHEN REQUIRED)
BLACK/BLUE
BLACK/BLUE

10
C2
D1
E2
T
TS
B2
123
OFF
4
123
OFF
4
123
OFF
4
123
OFF
4
123
OFF
4
123
OFF
4
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.
OPERATING MODE