Lift-master CPS-04-01 User Manual

Protector System

OWNER’S MANUAL

Models: CPS-N4, CPS3-N4 and CPS-LN4

Application

CPS-N4: Suitable for use on all operators with a reversing

N.O. contact input.

CPS-LN4: Direct connect photo eyes suitable with Logic 2 and

Logic 3 operators.

CPS-N4: Suitable for use with Logic 2 and Logic 3 operators

when more than (1) set of photo eyes are required. Example: Fire station, use (1) set of direct connect CPS-LN4 and CPS-N4.

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 (emitter with an amber indicator light) transmits an invisible light beam to the receiving eye (receiver with a green indicator light). 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).

Part # Description

41K4629 CPS-N4 - Commercial Protector Interface

CPS3CARD CPS3 PC Board (Only)

K77-16011 Sensor Hardware Kit

50-15514 Emitter

50-15515 Receiver

To reduce the risk of SERIOUS INJURY or DEATH,

• This device is for use ONLY on LiftMaster®Commercial Door Operators.

• Disconnect power BEFORE installing the Commercial Protector System®.

• Read and follow ALL instructions.

WARNING

—Left Side of Garage—

Safety Reversing Sensor

Invisible Light Beam Protection Area

— Right Side of Garage

Safety Reversing Sensor

Figure 4

INSTALLING THE BRACKETS

Be sure power to the operator is disconnected. Install and align the brackets so the sensors will face each other across the door/gate, with the beam no higher than 6" (15 cm) above the floor. For sensing above 6" a second set of eyes would be required.

Floor or Wall Mount Installation (Figure 1)

If necessary, see Figure 2 for various assembly options to fit your application. Always use flat washer next to slot with radius as shown in Figure 3. Insert track bolts through holes as shown.

NOTE: Putting track bolts in slots will prevent brackets from pivoting. Attach brackets to wall with lag screws provided.

Fasten to the floor with concrete anchors (not provided).

Track Installation (Figure 3)

To mount to door track use only one bracket per side. To vertically attach to 2" x 4" wall stud it may become necessary

to rotate bracket to prevent wood from splitting.

Figure 1

Floor or Wall Mounting

See Wiring Connections

Sensor Beam 6" (15 cm) max. above floor

Invisible Light Beam Protection Area

Liquid Tight Conduit

Liquid Tight Junction Box

Door Track Mounting

Figure 2

CONDUIT CONNECTIONS

Use a liquid tight fitting (1/2" trade size) with sealing washer to connect to sensors. The sensors are supplied with 36" long leads. We recommend the use of a liquid tight junction box near each sensor to make the connection to the sensor leads (Figure 4). Use rigid or flexible liquid tight conduit (depending on local codes) from junction boxes to operator.

IMPORTANT: Use a minimum size 20 ga. copper wire for connection between the sensors and the operator.

WIRING CONNECTIONS:

CPS-N4 - See page 3 CPS3-N4 - See page 4 CPS-LN4 - See page 5

Figure 3

Assembly Variations

INSTALLATION FOR LIFTMASTER COMMERCIAL OPERATORS

Assemble to either side

Flip one bracket and assemble to either side

1/4"-20 x 5/8" Track Bolts

1/4" Drill Holes

Hex Mounting Nut for Sensor

Door

1/4" Flat Washer 1/4" Lock Washer 1/4"-20 Hex Nut

Lock Washer for Sensor

1/4"-20 x 5/8" Track Bolts

1/4" x 1-1/2" Lag Screws

1/4" Lock Washer 1/4"-20 Hex Nut

1/2" Hole Spacing

2" Hole Spacing

1/4"-20 x 5/8" Track Bolts

CPS3-N4 Wiring Connections for use with Logic Operators (L2 or L3)

Commercial Door Opener Protector System®Only

Commercial Door Opener Protector System®and 2-Wire Fail Safe Door Edge

WIRING FOR LIFTMASTER COMMERCIAL OPERATORS

CPS3 protector and 2-wire fail-safe door edge connections

For a 2-wire safety edge with an embedded resistor;

1. Remove the 270K resistor from the A & B terminals.

2. Connect 2-wire coil cord or cord reel to the A & B terminals. For a 4-wire safety edge using a 2-wire coil cord;

1. Remove the 270K resistor from the A & B terminals.

2. Add the resistor to 2 of the 4 wires at the safety edge, connect the coil cord to the other 2 safety edge wires (Figure 1).

3. Connect the 2-wire coil cord or cord reel to the A & B terminals.

NOTE: If the LiftMaster®photo eyes are not being connected you must remove the JU1 and R16 resistors from the CPS3CARD.

Insert Logic Board into any available slot

270KΩ Resistor

Brown

Blue

A B C D

E F G H

2-Wire Edge

JU1 R16

A B C D

Brown

E F G H

Blue

CPS3 Option Logic Board

Logic 3 Board Shown

Figure 1

Terminal A

Terminal B

270K Resistor

2-Wire s.e. with Embedded Resistor

4-Wire s.e. Adding the Resistor

+ 5 hidden pages