Chamberlain MGJ User manual

OWNER'S MANUAL

MODEL

MGJ (S-Series)

INDUSTRIAL DUTY DOOR OPERATOR

FOR USE WITH SS90 FIRE DOOR CONTROLLER

NOT FOR RESIDENTIAL USE

LISTED DOOR OPERATOR

41B6

Serial #

(located on electrical box cover)

Installation Date

Wiring Type

2 YEAR WARRANTY

TABLE OF CONTENTS

HARDWARE PACKING LIST

Before beginning your installation check that all components were supplied and received undamaged. Refer to list below

for Factory Supplied parts.

Before attempting to install, operate or maintain the operator, you must read and fully understand this

manual and follow all safety instructions.

These instructions are intended to highlight certain safety related issues. These instructions are

not intended to be comprehensive. Because each application is unique, it is the responsibility of

the purchaser, designer, installer and end user to ensure that the total door system is safe for its

intended use.

PART #

01-18600

02-103-R

10-10463

19-41119MB

77-13709

QTY.

DESCRIPTION

OWNERS MANUAL, MGJ SSSI

REWORK, PBS, RED PAINT

KEY HOLE BRACKET

CHAIN #41X119 W/ MASTER

LABEL KIT MED DUTY

HARDWARE KIT MGJ SSSI (K77-18599)

OPERATOR SPECIFICATIONS

Hardware Packing List . . . . . . . . . . . . . . . . . . . . .2

Operator Specifications . . . . . . . . . . . . . . . . . . . .3

Operator Dimensions . . . . . . . . . . . . . . . . . . . . . .3

Safety Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Site Preparation . . . . . . . . . . . . . . . . . . . . . . . . . .4

Handing Preparation . . . . . . . . . . . . . . . . . . . . . . .4

Operator Mounting

. . . . . . . . . . . . . . . . . . . . . . . . . .5 & 6

Entrapment Protection . . . . . . . . . . . . . . . . . . . . .7

Limit Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . .7

Maintenance Schedule . . . . . . . . . . . . . . . . . . . . .8

Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Single Phase Wiring Diagram . . . . . . . . . . . . . . . .10

Three Phase Wiring Diagram . . . . . . . . . . . . . . . .11

Replacement Parts Electrical Box . . . . . . . . . . . . .12

Electrical Box Diagram . . . . . . . . . . . . . . . . . . . . .13

Replacement Parts Frame . . . . . . . . . . . . . . . . . .14

Frame Diagram . . . . . . . . . . . . . . . . . . . . . . . . . .15

Control Connections . . . . . . . . . . . . . . . . . . . . . . .16

MOTOR

TYPE: .................................Intermittent Duty

HORSEPOWER:.................1/2Hp 1 or 3 Phase

SPEED:...............................1050 RPM

VOLTAGE: ..........................115, 60HZ, 1Ph

230V, 60Hz, 3Ph

CURRENT: See motor nameplate

MECHANICAL

DRIVE REDUCTION:..............40:1 Reduction

(Heavy duty wormgear-in-oil-bath speed reducer)

OUTPUT SPROCKET: ..........Size #41

DOOR SPEED:.........1Ph, 23RPM

3Ph, 39RPM

BEARINGS: Heavy duty wormgear-in-oil-bath

speed reducer.

SAFETY

DISCONNECT :.......................Floor level disconnect for

emergency manual door operation.

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

A REVERSING EDGE IS STRONGLY RECOMMENDED

FOR

ALL

COMMERCIAL OPERATOR INSTALLATIONS.

REQUIRED

WHENTHE 3 BUTTON CONTROL STATION

IS OUT OF SIGHT OF DOOR OR ANY OTHER CON-

TROL (AUTOMATIC OR MANUAL) IS USED.

SPECIFICATIONS

ELECTRICAL

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

CONTROL STATION:......NEMA 1 three button station.

OPEN/CLOSE/STOP

WIRING TYPE:.................B2-C2 (Factory Shipped)

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

screw type cams. Adjustable to 24 feet.

7.50”

7.00” 11.00”

9.25”

10.50”

11.05”

MOUNTING DIMENSIONS

3.00”

5.50”

4.75”

MGJ WEIGHTS AND DIMENSIONS

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

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 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. For proper spacing,

retain .2.75” between. See Figure 1.

IMPORTANT SAFETY NOTES

2.75

Shipped from the factory for either left hand or right hand mounting.Refer to next to last digit in the model number for hand-

ing of your unit. If necessary, model MGJ may also be field modified to accommodate opposite handing. Refer to the con-

version instructions below and on page 5.

KEYS

SPRING

DISCONNECT

HUB

E RING

SPROCKET

YOKE

BRACKET

SHAFT

DISCONNECT

LEVER

OPPOSITE HANDING PREPARATIONS

1. Remove Disconnect Assembly Components

Remove the master link from the limit chain, remove the

chain and set it aside.

Remove the two E Rings securing the sprocket on the

gear reducer shaft. Remove the screws securing the yoke

to the disconnect shaft, set the yoke aside.

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. Wrap drive chain around door sprocket and join roller

chain ends together with master link.

3.Raise operator to approximate mounting position and

position chain over operator sprocket.

4.Raise or lower operator until the chain is slightly taut

(not tight). Make sure the operator output shaft is paral-

lel to door shaft and sprockets are aligned. When in

position, secure the operator to wall or mounting brack-

et.

5.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 Left Hand

Wall Mounted Operator

Be sure door

sprocket is properly

aligned with drive

before securing to

the shaft.

Chain Keeper

FIGURE 5

Remove the three cotter pins from the disconnect shaft.

Do not discard the pins. Slide the disconnect shaft out of

the support bracket. The release lever will now be free

inside the motor frame. Remove the release lever and

sash chain from the motor frame. Slide the disconnect

hub, compression spring, and flatwasher from the end of

the gear reducer shaft. Remove the disconnect support

bracket by first removing the the two gear reducer hous-

ing screws. Replace the screws in the gear reducer and

firmly tighten.

2. Re-assemble Disconnect Assembly

Remove the two screws on the opposite side of the gear

reducer and mount the disconnect support bracket with

the notched side facing the motor. For the remainder of

the installation, follow the steps outlined above in reverse

order, referring to the illustration as necessary.

EMERGENCY MANUAL OPERATION

This operator has a floor level disconnect chain to dis-

connect the door from the door operator allowing for

manual operation of the door in case of emergency or

power failure.

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

gaged position by slipping the end through the keyhole

bracket mounted on the wall. Or if emergency egress

device is used, pull handle to disengage operator from

door.

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

manually. Release the disconnect chain to operate the

door again electrically.

Keyhole Bracket

6. 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.

TURN OFF POWER TO THE OPERATOR BEFORE

MANUALLY OPERATING YOUR DOOR.

WARNING

CAUTION

WARNING

Pull sash chain and secure

in bracket for manual oper-

ation of the door.

OPERATOR MOUNTING CONT’D

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 PRO-

CEEDING WITH ADJUSTMENTS.

ELECTRIC SENSING EDGES

Electric sensing edges with an isolated normally open

(N.O.) output are compatible with your operator. 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 elec-

trically connected by either coiled cord or take-up reel.

Refer to the steps below

Important Notes:

a) Proceed with Limit Switch Adjustments before mak-

ing 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)

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 junc-

tion box (not supplied) fastened to the wall approximate-

ly halfway up the door opening.

Retaining Plate

CLOSE Limit Switch

SAFETY

(Aux. Close) Limit Switches

(1 Required for SS90 Input)

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 actua-

tor.

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

Aux. OPEN Limit Switches

(1 Required for SS90 Input)

AN ELECTRIC SENSING EDGE IS REQUIRED WHEN

USING THIS OPERATOR IN CONJUNCTION WITH

THE SS90 FIRE DOOR CONTROLLER.

WARNING

CAUTION

WARNING

IT IS STRONGLY RECOMMENDED THAT A

SENSING EDGE OR OTHER ENTRAPMENT PRO-

TECTION DEVICE BE USED IN CONJUNCTION

WITH THIS OPERATOR.

✳✳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 ●●✔✔

MAINTENANCE SCHEDULE

HOW TO ORDER REPAIR PARTS

& CUSTOMER SUPPORT

INSTALLATION AND SERVICE INFORMATION

ARE AVAILABLE 5 DAYS A WEEK

CALL OUR TOLL FREE NUMBER - 866-522-9007

HOURS 8:00 TO 5:00 p.m. Eastern Standard Time)

MONDAY Through FRIDAY

CONTROL WIRING

Standard C2 or B2 Wiring

Model MGJ operators are shipped from the factory with

jumper set for C2 wiring, which requires constant pres-

sure 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 the elec-

trical enclosure. The operator will require constant pres-

sure 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.

LOCATING THE CONTROL STATION

All operators are supplied with some type of control station. Generally a three button station (OPEN/CLOSE/STOP) is pro-

vided.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

CAUTION

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

USEDTO ACTIVATETHE 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.

WARNING

TO PREVENT ENTRAPMENT

DO NOT START DOOR DOWNWARD

UNLESS DOORWAY IS CLEAR

OPEN

STOP

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.

SPECIAL CONTROL WIRING

If your operator was shipped from the factory with non-

standard control wiring or with optional accessories that

require additional instructions, refer to the wiring dia-

gram(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.

MODEL MGJ

SINGLE PHASE SCHEMATIC DIAGRAM 1893

(OPTIONAL)

BIMETAL

CLOSE-A

RED AND YELLOW MOTOR WIRES.

* TO REVERSE MOTOR ROTATION INTERCHANGE

PULL SWITCH

OPEN & CLOSE

SAFETY

EDGE

OPEN

AUX.

OPEN

AUX.

L/S

OPEN-B

BL C

(OPTIONAL 115V OPERATORS ONLY)

CLOSE L/S

3STOP

OPEN-A

CAPACITOR

N.O.

100W

MAX.

LIGHT RELAY

SEC.

OPEN L.S.

CLOSE L/S

N.O. R

N.C. C

MOTOR *

10VA.

PR1.

24VAC. Y/BK

O/L BK

WIRE NUT

N.C. C

WIRE NUT

CLOSE-B

RES.

17 22

C2 WIRING - Constant Presssure to Close

RED WIRE ON TERMINAL #12 (Shipped from Factory)

B2 WIRING - Momentary Contact to Close

MOVE RED WIRE FROM TERMINAL #12 TO TERMINAL #2

CLOSE CONTROL WIRING OPTIONS

- Shipped from Factory

REMOVE JUMPER

TO CONNECT

SS90 FIRE DOOR

CONTROLLER

REMOVE JUMPER

TO CONNECT

SS90 FIRE DOOR

CONTROLLER

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