LiftMaster J Industrial Duty Jackshaft Operator - Manual

QuickStart
TM LOGIC 3.0
for the model H/J door operator
IMPORTANT: This QuickStart is intended to highlight a typical installation. These instructions are not intended to he comprehensive. Because each application is unique, it is the responsihility of
the purchaser, designer, installer and end user to ensure that the total door system is safe for its intended use. Please consult the manual and/or a qualified technician for further information.
Operator Mounting
Wall Mount: The operator should generally be Installed below the door shaft, and
as close to the door as possible.
dD Bracket Shelt Mounting: The operator may be mounted either above or below the
door shaft.
NOTE: The optimum distance between the door shaft and operator drive shaft is
between 12" -15".
O Place door sprocket on the door shaft. Do not insert the key at this time.
0 Place drive sprocket on the appropriate side of the operator. Do not insert the key
at this time.
Wrap chain drive around door sprocket and join roller chain ends together with
master link.
0 Raise operator to approximate mounting position and position chain over operator
sprocket.
0 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.
O Align sprockets, insert key into keyway, and secure.
0 Place hand chain around hand chain wheel.
0 Run the power wires through the power wiring conduit hole in the electrical box
enclosure. Connect the power to the operator. Connect the earth ground to the
chassis ground screw in the electrical box enclosure. Follow ALL local electrical
codes.
0 Adjust the limit switches to open and close door properly. Make sure the limit nuts
are positioned between the limit switches before proceeding with adjustments.
0 Remove cotter pin from nut on the clutch shaft. Back off clutch nut until there is
very little tension on the clutch spring. 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. Reinstall
cotter pin when finished.
0 Radio programming and troubleshooting instructions inside cover of operator.
Inside the Electrical Box
0115 V PH. 1 Power Connection
NEG
0Right Hand Wall Mounted Operator dDBracket Shelf Mounted Operator
OAlign Sprockets
^Limit Switches
POWER WIRING
USE COPPER WIRE ONLY
14 AWG Minimum
Manual Operation
0 This operator has provisions for manually operating the door in case of emergency
or power failure. This includes both a floor level disconnect chain to disconnect
the door from the door operator and a disconnect chain with manual hoist to
electrically disable the operator controls. Turn off power to the operator BEFORE
manually operating your door.
O To operate the hoist, 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. Operate the door
in the desired direction by pulling on one side or the other of the continuous
loop hoist chain (large chain). The disconnect chain must be released from the
chain keeper before the door will operate again electrically.
O For manual operation, pull the floor level disconnect chain and secure in the
disengaged position by slipping the end through the keyhole bracket mounted
on the wall. If an emergency egress device is used, pull handle to disengage
operator from door. The door may now be pushed up or pulled down manually.
Release the disconnect chain to operate the door again electrically.
A
Turn off power
to the operator
BEFORE manually
operating your door.
0Electrical Interlock with Hoist
OManual Disconnect