Chamberlain H User manual

OWNER'S MANUAL

MODELS:

J H HJ

INDUSTRIAL DUTY DOOR OPERATOR

Serial #

(located on electrical box cover)

Installation Date

Wiring Type

2 YEAR WARRANTY

C2 Wiring

FACTORY SET

See page 8

for other wiring

configurations

Cube Style

Electrical Box

NEW!

NOT FOR RESIDENTIAL USE

LISTED DOOR OPERATOR

41B6

MOTOR

TYPE: .................................Continuous duty

HORSEPOWER: ................1/3, 1/2, 3/4 & 1 Hp

Single or Three phase

SPEED:...............................1725 RPM

VOLTAGE: ..........................115, 220, 230 Single

phase

208, 230, 460, 575 Three

phase

CURRENT:..........................See motor nameplate

MECHANICAL

DRIVE REDUCTION: ..Primary: Heavy duty (5L) V-Belt.

Secondary: #48 chain/sprocket Output: #50 chain

OUTPUT SHAFT SPEED:.....36 R.P.M.

DOOR SPEED: ......................6 - 7” per sec.

depending on door

BRAKE: (Optional) ...............Solenoid actuated disc

brake

BEARINGS: ...........................Output Shaft: Shielded

Ball Bearing. Clutch Shaft: IronCopper sintered and

oil impregnated.

HAND CHAIN WHEEL: .........Left or right handing

Models H and HJ only.

SAFETY

DISCONNECT :

Model J: Floor level disconnect for emergency manual

door operation.

Model H: Floor level chain hoist with electrical interlock

for emergency manual door operation.

Model HJ: Includes both floor level disconnect

systems stated above.

REVERSING EDGE:......(Optional) Electric or pneumatic

sensing device attached to the bottom edge of door.

A REVERSING EDGE IS STRONGLY RECOMMEND-

ED FOR

ALL

COMMERCIAL OPERATOR INSTALLA-

TIONS.

REQUIRED

WHEN THE 3 BUTTON CON-

TROL STATION IS OUT OF SIGHT OF DOOR OR

ANY OTHER CONTROL (AUTOMATIC OR MANUAL)

IS USED.

SPECIFICATIONS

ELECTRICAL

TRANSFORMER:.............24VAC

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. 8)

LIMIT ADJUST: ................Linear driven, fully

adjustable screw type cams. Adjustable to 30 feet.

17.63”

7.56”

5.50”

6.59”

13.75”

1.50”

4.56”

4.41”

4.63”

14.60”

16.50”

14.44”

7.27”

8.33” 7.31”

MOUNTING DIMENSIONS

A - Wall Mounting

B - Bracket Mounting (rolling door)

WEIGHTS AND DIMENSIONS

HANGING WEIGHT: .........80-110 LBS.

Hand Chain Wheel

present with Models

H and HJ only.

7.17”

2.00”

3/8” BOLT

2-1/4"

FIGURE 1

Shaft Support Bracket

with Bearing (Not Supplied)

Door Sprocket

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 FUNCTION-

AL, INSTALL AN INTERLOCK SWITCH.

DO NOT CONNECT ELECTRIC POWER UNTIL

INSTRUCTED TO DO SO.

KEEP DOOR BALANCED. STICKING OR BINDING

DOORS MUST BE REPAIRED. DOORS, DOOR

SPRINGS, CABLES, PULLEYS, BRACKETS AND

THEIR HARDWARE MAY BE UNDER EXTREME TEN-

SION AND CAN CAUSE SERIOUS PERSONAL

INJURY. CALL A PROFESSIONAL DOOR SERVICE-

MAN TO MOVE OR ADJUST DOOR SPRINGS OR

HARDWARE.

WARNING

CAUTION

WARNING

CAUTION

WARNING

SITE PREPARATIONS

It is imperative that the wall or mounting surface pro-

vide 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.

Both J and H series operators have dual output shafts and may be mounted on either the right (standard) or left

side of door, and in either a vertical (standard) or horizontal mounting position. If you need to move the drive

sprocket, loosen BOTH set screws, remove the sprocket and key, and place on the opposite side of the drive shaft.

Be sure to tighten BOTH set screws securely

OPERATOR PREPARATION

Hand Chain Handing

For models H and HJ with manual hoist hand chain systems, the handing of the operator must be determined at

the time of order. The handing is indicated by last letter of the model name (R or L).

The hand chain wheel can not

be switched on site.

If your installation causes the hand chain to hang in the door opening, hook the chain off to the

side near the top of the door jamb.

IMPORTANT SAFETY NOTES

5-1/2”

Output Shaft Key

Drive Sprocket

(2) Set Screws

1a. Wall Mounting

The operator should generally be installed below

the door shaft, and as close to the door as possi-

ble. 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 pro-

vide 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 par-

allel 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 4FIGURE 3

Before your operator is installed, be sure the door has been properly aligned and is working smoothly. The oper-

ator 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.

FIGURE 5

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 proper-

ly aligned with

drive before secur-

ing to the shaft.

Chain Keeper

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 key-

hole 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 elec-

trically.

7. Install Hand Chain (Models H and HJ only)

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 H

Model J

This operator has a floor level disconnect chain to dis-

connect the door from the door operator.

1. To disengage, pull the chain and secure in the dis-

engaged position by slipping the end through the key-

hole bracket mounted on the wall. Or if emergency

egress device is used, pull handle to disengage oper-

ator from door.

2. The door may now be pushed up or pulled down

manually. Release the disconnect chain to operate the

door again electrically.

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 nec-

essary.

Model HJ

This operator includes both a floor level disconnect

chain to disconnect the door from the door operator

and and a disconnect chain with manual hoist to elec-

trically disable the operator controls.

Refer to Model H instructions for hoist operation.

Refer to Model J instructions for manual operation.

Manual Disconnect for Models J and HJ

Electrical Interlock with Hoist for Models H and HJ

TURN OFF POWER TO THE OPERATOR BEFORE

MANUALLY OPERATING YOUR DOOR.

WARNING

CAUTION

WARNING

Chain Keeper

(with pad locking provisions)

Keyhole Bracket

CLOSE Limit Switch

SAFETY

(Aux. Close) Limit Switch

OPEN Limit Switch

Retaining Plate

AUXILIARY OPEN

Limit Switch

TO AVOID SERIOUS PERSONAL INJURY OR DEATH

FROM ELECTROCUTION, DISCONNECT ELECTRIC

POWER BEFORE MANUALLY MOVING LIMIT NUTS.

WARNING

CAUTION

WARNING

LIMIT SWITCH ADJUSTMENT

MAKE SURE THE LIMIT NUTS ARE POSITIONED BETWEEN THE LIMIT SWITCH ACTUATORS BEFORE

PROCEEDING WITH ADJUSTMENTS.

If other problems persist, call our toll-free number for

assistance - 1-800-528-2806.

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 actu-

ator. 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

SENSING EDGES & PHOTO EYES

Sensing devices supplied for door industry type operators

with an isolated normally open (N.O.) output are compati-

ble with your operator. This includes pneumatic and elec-

tric edges, and through beam and retro reflective photo

eyes. If your door does not have a bottom sensing edge or

safety photo eyes and you wish to add a safety device to

your application, please contact your local LiftMaster

Authorized Dealer.

If not pre-installed by the door manufacturer, mount the

sensing edge on the door according to the instructions pro-

vided with the edge. The sensing edge may be electrical-

ly 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 oper-

ator electrical box in accordance with local codes.

ENTRAPMENT PROTECTION ACCESSORIES (OPTIONAL)

WIRING:

For wiring of your sensing device to the operator,

refer to the wiring diagram supplied with your opera-

tor. See field connection terminals identified as

Sensing Device or Safety Edge.

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.

IT IS STRONGLY RECOMMENDED THAT A

SAFETY PHOTO EYE OR SENSING EDGE BE

USED IN CONJUNCTION WITH THE OPERATOR.

NOTICE

Three (3)7/8” & 1-1/6”dia. knockouts for Power & Control

Wiring access (Near & Opposite side)

WARNING

CAUTION

WARNING

DISCONNECT POWER AT THE FUSE BOX BEFORE

PROCEEDING.

OPERATOR MUST BE PROPERLY GROUNDED AND

CONNECTED IN ACCORDANCE WITH LOCAL ELEC-

TRICAL 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

CAUTION

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 FUNCTION-

AL, INSTALL AN INTERLOCK SWITCH.

1. Be sure that the power supply is of the correct

voltage, phase, frequency, and amperage to supply

the operator. Refer to the operator nameplate on the

cover.

2. Using the 1-1/16” dia conduit access hole as

shown below, bring supply lines to the operator and

connect wires to the terminals indicated on the

WIRING CONNECTIONS DIAGRAM.

DO NOT TURN POWER ON UNTIL YOU HAVE FIN-

ISHED MAKING ALL POWER AND CONTROL

WIRING CONNECTIONS AND HAVE COMPLETED

THE LIMIT SWITCH ADJUSTMENT PROCEDURE.

CAUTION: THIS UNIT MUST BE PROPERLY

GROUNDED. A GROUND SCREW IS SUPPLIED IN

THE ELECTRICAL BOX FOR CONNECTION OF

THE POWER SUPPLY GROUND WIRE. FAILURE

TO PROPERLY GROUND THIS UNIT COULD

RESULT IN ELECTRIC SHOCK AND SERIOUS

INJURY.

Remove the cover from the electrical enclosure. Inside this enclosure you will find the wiring diagram(s)

for your unit. Refer to the diagram (glued on the inside of the cover) for all connections described below.

If this diagram is missing, call the number on the back of this manual. DO NOT INSTALL ANY WIRING OR

ATTEMPT TO RUN THIS OPERATOR WITHOUT CONSULTING THE WIRING DIAGRAM.

POWER WIRING

POWER WIRING CONNECTIONS

ON THREE PHASE MACHINES ONLY!

Incorrect phasing of the power supply will cause the motor to rotate in the wrong direction (open when CLOSE but-

ton is pressed and vice-versa). To correct this, interchange any two of the incoming three phase power lines.

CONDUIT ACCESS

WARNING

Do Not Run Power &

Control Wiring in the

Same Conduit

CONTROL WIRING

Standard C2 or B2 Wiring

Standard operators are shipped from the factory with

jumper set for C2 wiring, which requires constant

pressure on button to close the door. If momentary

contact on close direction is desired (B2 wiring) you

must include an entrapment protection device. See

close control jumper setting below.

Constant pressure on close (C2 wiring)

Red jumper wire was placed on terminal #2 in

electrical enclosure. The operator will require

constant pressure on close control in order to keep

door moving in the close direction.

Momentary contact on close (B2 wiring)

Move red jumper wire from terminal #2 to terminal

#3. The operator will require only momentary

contact to close the door.

WIRING DIAGRAM

This Operator has

Control Wiring.

SUPPLEMENTAL WIRING DIAGRAM(S)

REPLACEMENT WIRING DIAGRAM

Note: Supplemental Wiring Diagrams are

to be used in addition to 1742-1.

Replacement Wiring Diagram is to be used

in place of 1742-1.

SPECIAL CONTROL

WIRING DATA

LOCATING THE CONTROL STATION

All operators are supplied with some type of control station. Generally a three button station

(OPEN/CLOSE/STOP) is provided. A two-position key switch or control station (OPEN/CLOSE) may be added or

substituted when requested at the time of order. Mount the control station near the door.

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 AREVERSING EDGE UNDER

THESE CIRCUMSTANCES MAY RESULT IN SERIOUS

INJURYOR DEATH TO PERSONS TRAPPED

BENEATH THE DOOR.

WARNINGW A R N I N G

TO PREVENT ENTRAPMENT

DO NOT START DOOR DOWNWARD

UNLESS DOORWAY IS CLEAR

OPEN

STOP

Standard

Control Station

WARNING Notice

Push

Buttons

IMPORTANT: Mount WARNING NOTICE beside or

below the push button station.

MOUNT WARNING NOTICE

DETERMINE WIRING TYPE

Refer to the wiring diagram located on the inside cover the electrical box to determine the type of control wiring.

Wiring Diagram label on inside cover

of electrical box

Wiring

Type

SPECIAL CONTROL WIRING

If your operator was shipped from the factory with

non-standard control wiring or with optional acces-

sories that require addition instructions, refer to the

wiring diagram(s) indicated in the special control

wiring data box. When a replacement wiring diagram

is present, wiring diagrams in this manual will not

apply. Refer only to the replacement wiring diagram

for all connections.

IMPORTANT NOTE: If your wiring diagram is missing,

or you are unsure of the wiring type for your operator, con-

tact the customer service department @ 1-800-528-2806.

CONTROL WIRING (con’t)

Radio Controls

On all models with type B2 control wiring, a terminal

bracket marked R1 R2 R3 is located on the outside of

the electrical enclosure. All standard radio control

receivers (single channel residential type) may be

mounted to this bracket. The operator will then open a

fully closed door, close a fully open door, and reverse

a closing door from the radio transmitter. However, for

complete door control from a transmitter, a commer-

cial three-channel radio set (with connections for

OPEN/CLOSE/STOP) is recommended.

Additional Access Control Equipment

Locate any additional access control equipment as desired (but so that the door will be in clear sight of the person

operating the equipment), and connect to the terminal block in the electrical enclosure as shown on the FIELD

WIRING CONNECTIONS diagram. Any control with a normally (N.O.) isolated output contact may be connected

in parallel with the OPEN button. More than one device may be connected in this manner. Use 16 gauge wire or

larger for all controls. DO NOT USE THE CONTROL CIRCUIT TRANSFORMER (24VAC) IN THE OPERATOR

TO POWER ANY ACCESS CONTROL EQUIPMENT OTHER THAN A STANDARD RESIDENTIAL TYPE RADIO

RECEIVER.

External Interlock Switch

The operator has a terminal connection for an external interlock switch. This switch must be a normally closed

(N.C.) two-wire device with a contact rating of at least 3 amps @ 24VAC. When such a switch is connected as

shown on the FIELD WIRING CONNECTIONS diagram, the control circuit will be disabled when the switch is actu-

ated, thereby preventing electrical operation of the door from the control devices.

WARNING

CAUTION

WARNING

DO NOT USE RADIO CONTROLS WITH YOUR

OPERATOR UNLESS YOU HAVE INSTALLED

SOME TYPE OF ENTRAPMENT PROTECTION

DEVICE. THE USE OF RADIO CONTROLS PRE-

SENTS POTENTIAL HAZARDS DUE TO THE

USER’S ABILITY TO OPEN OR CLOSE THE

DOOR WHEN OUT OF SIGHT OF THE DOOR. IN

ADDITION, IF A SINGLE CHANNEL CONTROL IS

USED, THE USER WILL NOT BE ABLE TO STOP

THE DOOR FROM THE TRANSMITTER.

CLUTCH ADJUSTMENT

1. Remove cotterpin from nut on the clutch shaft

(taped to shaft).

2. Back off clutch nut until there is very little tension

on the clutch spring.

3. Tighten clutch nut gradually until there is just

enough tension to permit the operator to move the

door smoothly but to allow the clutch to slip if the door

is obstructed. When the clutch is properly adjusted, it

should generally be possible to stop the door by hand

during travel.

4. Install Cotterpin in holes provided.

CAUTION: The adjustable friction clutch is NOT an

automatic reversing device. An electric or pneu-

matic reversing edge can be added to bottom

edge of door if desired.

Cotterpin

Adjusting Nut

Spring

Clutch Pulley

Clutch Plate

Clutch Pad

Washer

TEST THE SYSTEM

Turn on power. Test all controls and safety devices to

make sure they are working properly. It will be neces-

sary to refer back to page 6 for fine adjustment of the

limit switches.

IMPORTANT NOTES:

Do not leave operator power on unless all safety

and entrapment protection devices have been

tested and are working properly.

Be sure you have read and understand all Safety

Instructions included in this manual.

Be sure the owner or person(s) responsible for

operation of the door have read and understand

the Safety Instructions, know how to electrically

operate the door in a safe manner, and know how

to use the manual disconnect operation of the

door operating system.

WARNING

CAUTION

WARNING

DO NOT PLACE HANDS OR TOOLS IN OR NEAR

THE OPERATOR WHEN THE POWER IS ON OR

WHEN TESTING CONTROL OR SAFETY

DEVICES. ALWAYS DISCONNECT POWER

BEFORE SERVICING OR ADJUSTING THE

OPERATOR.

BRAKE ADJUSTMENT

A solenoid brake is an optional modification. If present, the brake is adjusted at the factory and should not need

additional adjustment for the the life of the friction pad. If desired, a brake can also be field installed. To order a

kit for field installation on an existing operator, call the parts and service department at 1-800-528-2806.

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

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