Lift-Master HTL User Manual
©
OWNER'S MANUAL
MODEL HTL
SOLID STATE
HEAVY DUTY
BELT DRIVEN TROLLEY OPERATOR
The Chamberlain Group, Inc.
A DUCHOSSOIS ENTERPRISE
845 Larch Avenue
Elmhurst, Illinois 60126
Serial # ___________________
(located on electrical box cover)
Date of Installation __________
Wiring Type________________
COMMERCIAL DOOR OPERATOR
®
LISTED
NOT FOR RESIDENTIAL USE
SPECIFICATIONS
MOTOR
TYPE:................................Continuous Duty
HORSEPOWER:...............1/3, 1/2, 3/4 & 1Hp
Single or Three Phase
SPEED: .............................1725 RPM
VOLTAGE:........................115/208-230 Single Phase
208-230 Three Phase
CURRENT:........................See Pg. 17
MECHANICAL
DRIVE REDUCTION:
1st Reduction:....................Heavy Duty (4L) V-Belt
2nd Reduction:...................#48 Chain and Sprockets
Output:................................#48 Chain on 1/3 & 1/2 Hp
#41 Chain on 3/4 & 1 Hp
OUTPUT SHAFT SPEED:...144 R.P.M.
DOOR SPEED:....................11" – 13" per sec.
BEARINGS:............................Bronze Bearings on
Clutch Shaft
Ball Bearings on Output Shaft
BRAKE:...............................Optional Solenoid drum brake
Standard on 3/4 & 1Hp
Optional on 1/3 & 1/2Hp
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.
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
OPERATOR INSTALLATIONS.
THE 3 BUTTON CONTROL STATION IS OUT OF
SIGHT OF DOOR OR ANY OTHER CONTROL
(AUTOMATIC OR MANUAL) IS USED. SEE PAGE 8.
ALL
COMMERCIAL
REQUIRED
WHEN
WEIGHTS AND DIMENSIONS
POWER HEAD WEIGHT..........55 LBS.
14.5"
13.75"
9.5"
with or
without
brake
27.4"
with
brake
16.1"
9"
C
L
16.25"
DOOR HEIGHT + 4' - 2 3/8"
13"
MIN. CLEARANCE OF 2"
FROM HIGH ARC OF DOOR
TO BOTTOM OF TRACK
7-1/2"
2
ASSEMBLE TRACK AND OPERATOR
Track
Track
Spacer
Trolley
Track Idler
Shaft
Header
Bracket
Idler Shaft
Bracket
FIGURE 1
WARNING
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.
If possible, install the door opener 7 feet or more
above floor with the manual release handle
mounted 6 feet above the floor.
Check the identification tag mounted on the electrical
box to be sure the voltage, phase and h.p. are correct
for your needs.
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 (Fig. 1).
Fasten shaft bracket to end of rail assembly.
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.
3
INSTALL OPERATOR
CAUTION: AT LEAST TWO PERSONS AND A STRONG, SAFE WORKING PLATFORM ARE
REQUIRED FOR THE INSTALLATION OF OPERATOR.
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.
DO NOT RUN THE OPERATOR BEFORE MAKING
LIMIT SWITCH ADJUSTMENTS.
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.
FIGURE 2
FIGURE 3
Building
Support
2"x 2"x 1/4"
Carpenter's
Angle Iron
Level
Vertical
Centerline
Center
Stile
Header
Wall
High Arc
Point
FIGURE 4
Header
2" Header
Wall
Bracket
High Arc
Point of Door
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.
4
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.
WARNING
FAILURE TO SUSPEND THE OPERATOR
SECURELY MAY RESULT IN SERIOUS PERSONAL
INJURY OR DEATH, AND/OR PROPERTY DAMAGE.
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 CENTERSUPPORTED AS WELL. Bolt the operator into place.
Building
Support
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.
2"x2"x1/4"
Angle Iron
Door
Bracket
Center
Stile
Trolley
Door
Arm
Wire 5V dc
Track
Spacer
Rope
Release
Air Hose
B
A
Hanger Angles
2"x2"x1/4"
Reversing
Edge
Pneumatic Air Switch
Not Required or Supplied
When Electric Reversing
Edge is Used
FIGURE 5
5
CONNECT OPERATOR TO POWER SUPPLY AND INST ALL CONTROL STA TION
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.
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,
EDGE MUST
THE DOOR.
EDGE UNDER THESE CIRCUMSTANCES MAY
RESULT IN SERIOUS INJURY OR DEATH TO
PERSONS TRAPPED BENEATH THE DOOR.
BE INSTALLED ON THE BOTTOM OF
FAILURE TO INSTALL A REVERSING
WARNING
A REVERSING
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.
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).
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.
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.
Push
Buttons
OPEN
CLOSE
12. Apply power to operator. Press either the OPEN or
the CLOSE push button and observe direction of
STOP
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.
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.
CAUTION
Control Station
WARNING
TO PREVENT ENTRAPMENT
DO NOT START DOOR DOWNWARD
UNLESS DOORWAY IS CLEAR
WARNING Notice
CONNECT DOOR ARM AND BRACKET
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.
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.
Trolley
Door
Bracket Reinforcement
Center Stile
6
Door Arm
Brace
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