Page 1
1
Commercial Protector System
®
OWNER’S MANUAL
For use with Models CPS, CPSIII-01 and CPS-L
Install the Protector System
®
IMPORTANT INFORMATION ABOUT THE SAFETY REVERSING
SENSOR
Be sure power to the operator is disconnected.
When properly connected and aligned, the sensor will detect an
obstacle in the path of its electronic beam. The sending eye
transmits an invisible light beam to the receiving eye. If an
obstruction breaks the light beam while the door is closing, the
door will stop and reverse to full open position.
The units must be installed inside the garage so that the
sending (emitting) and receiving eyes face each other across the
door, no more than 6" (15 cm) above the floor. Either can be
installed on the left or right of the door as long as the sun never
shines directly into the receiving eye lens.
—
The brackets must be securely fastened to a solid surface such
as the wall framing. If installing in masonry construction, add a
piece of wood at each location to avoid drilling extra holes in
masonry if repositioning is necessary.
The invisible light beam path must be unobstructed. No part of
the garage door (or door tracks, springs, hinges, rollers or other
hardware) may interrupt the beam while the door is closing. If it
does, use a piece of wood to build out each sensor mounting
location to the minimum depth required for light beam
clearance.
Facing the door from inside the garage (installation procedures are the same for all door types).
This device is for use ONLY on LiftMaster Commercial Door
Operators. Use on other than recommended equipment voids
warranty, and may cause property damage or SERIOUS
personal INJURY. Read and follow ALL instructions.
Have door in full open or closed position and DISCONNECT
power to the operator BEFORE installing the Commercial
Protector System®.
WARNING
WARNING
Part # Description QTY
12B483 “C” Wrap Brackets 2
12B485 Slotted Bracket 2
12B484 Square Hole Bracket 2
41A4116 Safety Sensor Hardware 1
41K4654 Safety Sensor Kit
(receiving and sending eyes)
1
1A6078 Option Board (CPSIII ONLY) 1
41K4629 Commercial Protector Interface (CPS ONLY) 1
—Left Side of Garage—
Safety Reversing
Sensor
Invisible Light
Beam Protection
Area
— Right Side of Garage
Safety Reversing
Sensor
Page 2
2
INSTALLING THE BRACKETS
Figures 1, 2 and 3 show recommended assembly of the
bracket(s) and “C” wrap based on the wall installation of the
sensors on each side of the door as shown on page 1 or on the
door tracks themselves.
Figures 4 and 5 are variations which may fit your installation
requirements better. Make sure the wraps and brackets are
aligned so the sensors will face each other across the door.
WALL OR DOOR TRACK INSTALLATION
• Fasten the “C” wraps to the mounting brackets having square
holes, using hardware shown in Figure 1.
WALL INSTALLATION
• Connect each assembly to a slotted bracket, using the
hardware shown (Figure 2).
• Finger tighten the lock nuts.
• Use bracket mounting holes as a template to locate and drill
(2) 3/16" diameter pilot holes on the wall at each side of the
door, no higher than 6" above the floor.
• Attach brackets to wall with lag screws as shown in Figure 2.
• Adjust right and left side bracket assemblies to the same
distance out from mounting surface. Make sure all door
hardware obstructions are cleared. Tighten the nuts securely.
DOOR TRACK INSTALLATION
• Discard slotted bracket. Drill 3/8" holes in each track and
fasten securely with hardware as shown in Figure 3.
HARDWARE SHOWN ACTUAL SIZE
INSTALLATION FOR LIFTMASTER COMMERCIAL OPERATORS
Figure 1 WALL or DOOR Track Installation
Mounting Bracket
With Square Holes
#10-32
Lock Nuts
“C” Wrap
#10-32x3/8"
Screws
Figure 2 WALL Installation
Inside
Wall
1/4x1-1/2"
Lag Screws
Mounting Bracket
with Slot
1/4"-20
Lock Nuts
1/4-20x1/2" Carriage Bolts
(with square shoulder)
“C” Wrap
Mounting Bracket
with Square Holes
Figure 3 DOOR Track Installation
Inside
Wall
Door Track
1/4" Lock Nuts
Mounting Bracket
with Square Holes
Figure 4 Alternate Wall Mount
Inside
Wall
Floor
Mounting Bracket
with Slot
Mounting Bracket
with Square Holes
Indicator Light
“C” Wrap
Sensor
with wire
Drill 3/8"
Holes
1/4-20x1/2"
Carriage Bolts
Figure 5 Alternate Floor Mount
Inside
Wall
“C” Wrap
Floor
Sensor with wire
Indicator Light
Mounting Bracket
with Square Holes
Mounting Bracket
with Slot
Attach with
concrete
anchors
(not provided)
“C” Shaped
Wrap
Screw
#10-32x3/8"
Lock Nut
#10x32
Lag Screw 1/4x1-1/2"
Staples
Carriage Bolts
1/4"-20x1/2"
Lock Nut
1/4"-20
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3
HARDWARE SHOWN ACTUAL SIZE
Mounting and Wiring the Safety Sensors
• Insert the wire connector into each sensor and push until you
hear a click. The white tab on the sensor should be flush with
the back of connector.
• Center each sensor unit in a “C” wrap with lenses pointing
toward each other across the door (Figure 6).
• Secure sensors with hardware as shown. Finger tighten the
wing nut on the receiving eye to allow for final adjustment.
Securely tighten the sending eye wing nut.
• Run paired wires from both sensors to the operator
(Figure 6). Use insulated staples to secure the wire to the wall
and ceiling.
• For wiring connections, see following pages:
CPS page 4
CPS-L page 4
CPSIII-01 page 5
Aligning the Safety Sensors
• Power up the operator. Green indicator lights in both the
sending and receiving eyes will glow steadily if wiring
connections and alignment are correct.
If the receiving eye indicator light is not glowing steadily (and
the invisible light beam path is not obstructed), alignment is
required.
Figure 6
• Loosen the receiving eye wing nut to allow slight rotation of
unit. Adjust sensor vertically and/or horizontally until the
green indicator light glows steadily.
• When indicator lights are glowing steadily in both units,
tighten the wing nut in the receiving eye unit.
WIRING FOR LIFTMASTER COMMERCIAL OPERATORS
1/4-20x1-1/2"
Hex Bolt Wing Nut
Wing Nut
“C” Wrap
Sensor
Wire
Indicator Light
1/4-20 x 1-1/2"
Hex Bolt
Bell Wire
Secure Wire with
Insulated Staples
Connect Wire
to Commercial
Protector Interface
Sensor Beam
6" (15 cm) max. above floor
Sensor Beam
6" (15 cm) max. above floor
Invisible Light Beam
Protection Area
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4
CPS Wiring Connections
The eyes are required for all timer modes and fail-safe modes.
The eyes are automatically learned once connected and
operating correctly. To unlearn eyes, remove the eyes from the
circuit. Set the selector switch to “Diag.” mode, then press and
hold the stop button for 5 seconds until the MAS LED blinks.
The eyes LED should be off. Set the selector switch back to the
desired mode.
CPS-L Wiring Connections for use with Solid State Operators (L2 or L3)
Operator Sensing
Edge Input
To Sending Eye
(Emitter) and
Receiving Eye
(Receiver)
Commercial Protector
Interface
24V
Common
Sensor
White
Sensor
White/Black
Logic 3 Shown
WIRING FOR LIFTMASTER COMMERCIAL OPERATORS
White/Black
543
1
2
White
131211
109876
14
Page 5
5
CPSIII-01 Wiring Connections for use with Solid State Logic 3 Control Board
White
White/Black
White
White/Black
White
White/Black
Insert Logic Board into
any available slot
Logic 3 Logic Board Shown
CPSIII-01
Option Logic Board
Logic 3 Shown
CPSIII-01 PROTECTOR ONLY
CPSIII-01 PROTECTOR AND 2-WIRE FAIL-SAFE DOOR EDGE
CPSIII-01 PROTECTOR AND 4-WIRE FAIL-SAFE DOOR EDGE
NOTE: The maximum door edge resistance should be less than 1000 ohms as measured between any 4 conductors. This measurement
should be taken when the door edge is in the closed contact state.
WIRING FOR LIFTMASTER COMMERCIAL OPERATORS
270K
A
B
C
D
E
F
G
H
I
J
Ω Resistor
2-wire Edge
A
B
C
D
E
F
G
H
I
J
Door Edge Contacts
270K
Ω Resistor
A
B
C
D
E
F
G
H
I
J
4-wire Edge
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6
CPS Wiring Connections for use with Solid State Logic Control Board
INDOOR APPLICATIONS ONLY
WIRING FOR LIFTMASTER COMMERCIAL OPERATORS
NOTE: If an obstruction breaks the light beam while the door is
closing, the door will stop and reverse to full open position.
NOTE: Wiring the Protector Interface to the Sensor Alarm
causes operator to reverse only a few inches before stopping.
S
ALARMSENSOR
A
OR
AFETY EXIT
GLOCK ALARM
GG BB
®
AA
M
/S LinkM/S Link
OmniControl Surge Suppressor
Center
Center
Safety
Safety
Exit
Exit
Loop
Loop
Loop
Loop
Loop
Loop
Key Switch
Key Switch
Fire Dept
Fire Dept
Strike Open
Strike Open
Push Button
Push Button
P/N Q410
P/N Q410
Patent Pending
Patent Pending
––
Radio
Radio
Receiver
Receiver
++
Class 2
Class 2
Supply
Supply
2
2
4
4
V
V
olts D
olts D
C
C
13
24V
Common
ALARMSENSOR
DC-BACKUP
M/S LINK
ARMED
SYSTEM ON
SENSORS
13
ALARM
SENSOR
COMMAND
PROCESSED
FIRE
DEPT.
EXIT
LOOP
13
STRIKE
SAFETY
REVERSE
OPEN
LOOP
SENSOR
TIMER
OFF
OPEN LEFT
RADIO
RECEIVER
CENTER
LOOP
60
ON
OPEN RIGHT
13
GATE
LOCKED
RESET
MOTOR
POWER
3
OVERLOAD
MADE IN USA
OPEN
STOPCLOSE
Sensor
White
Sensor
White/Black
11
Emitter
Receiver
®
OmniControl Surge Suppressor
Center
Center
Safety
Safety
Exit
GG BB
AA
M
/S LinkM/S Link
24V
Exit
Loop
Loop
Loop
Loop
Loop
Loop
Key Switch
Key Switch
Common
Sensor
Brown
Sensor
Blue
Emitter
Receiver
Fire Dept
Fire Dept
P/N Q410
P/N Q410
Patent Pending
Patent Pending
++
––
Class 2
Class 2
Supply
Radio
Radio
Receiver
Receiver
Supply
2
2
4
4
V
V
o
o
lts
lts
D
D
C
C
Strike Open
Strike Open
Push Button
Push Button
13
11
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Testing the Protector System
®
Test the Commercial Protector System
®
• Press the OPEN button to fully open the door.
• Press the CLOSE button to close the door.
• Obstruct the light beam while the door is closing. The door
should stop and reverse.
The operator will not close if the indicator light in either
sensor is not glowing steadily, alerting you to the fact that the
sensor is misaligned or obstructed.
TROUBLESHOOTING
1. If the sending eye and receiving eye indicator lights do not
glow steadily after installation, check for:
• Electric power to the operator.
• A short in the white or white/black wires.
• Incorrect wiring between sensors and interface.
• A broken wire (open wire).
2. If receiving eye indicator light is off (and the invisible light
beam path is not obstructed), check for an open wire to the
receiving eye.
NOTE: For non-solid state operators, if the door is stopped in a
mid position, activation of the sensors will cause the door to
open. This is similar to activating a sensor edge.
3. CPS-L Only: If the sending eye and receiving eye indicator
lights are both lit but interrupting the photo eyes does not
cause the door to reverse when closing, refer to page 4.
Without a properly working Commercial Protector System®,
persons (particularly children) could be SERIOUSLY
INJURED or KILLED by a closing garage door. Repeat this
test once a month.
Professional service is required if the operator closes the
door when the Protector System®is obstructed.
WARNING
WARNING
Page 8
© 2005, The Chamberlain Group, Inc.
01-31100 All Rights Reserved Printed in Mexico
HOW TO ORDER REPAIR PARTS
OUR LARGE SERVICE ORGANIZATION
SPANS AMERICA
INSTALLATION AND SERVICE INFORMATION
IS AS NEAR AS YOUR TELEPHONE SIX DAYS A WEEK. SIMPLY
DIAL OUR TOLL FREE NUMBER:
1-800-528-2806
HOURS: (Central Standard Time)
6:00 A.M. TO 7:00 P.M. - Monday through Friday
8:00 A.M. TO 4:30 P.M. - Saturday
www.liftmaster.com
WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE
FOLLOWING INFORMATION:
• PART NUMBER
• PART NAME
• MODEL NUMBER
ADDRESS ORDERS TO:
THE CHAMBERLAIN GROUP, INC.
Technical Support Group
6020 S. Country Club Road
Tucson, Arizona 85706
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