Lift-master 71-90MOTION User Manual

DOOR IN MOTION KIT

71-90MOTION

DISCONNECT POWER AT THE FUSE BOX BEFORE PROCEEDING. IF NECESSARY REMOVE THE OPERATOR FROM ITS MOUNTED POSITION.

ALL ELECTRICAL CONNECTIONS MUST BE

MADE

A QUALIFIED INDIVIDUAL.

1. Remove electrical box cover and set off to the side.

2. Install (2) new contact blocks to top of existing contactor. See figure 1.

3. Install new 3 pole terminal block to electrical box using the (2) screws and nuts supplied. See figure 2.

4. Install the new terminal block label over or under the terminal block based on position.

5. Wire the unit as shown below and refer to figure 3.

a) Connect a 4” black jumper between #53 on the open contact block and #53 on the closed contact block.

b) Connect a 4” black jumper between #54 on the open contact block and #54 on the closed contact block.

c) Connect a 12” black wire between #53 on the open contact block to #14 on the terminal block.

d) Connect a 12” black wire between #54 on the open contact block to #13 on the terminal block.

INSTALLATION INSTRUCTIONS

FIGURE 1

FIGURE 2

FIGURE 3

IMPORTANT

WARNING DEVICES WILL

BE ON WHENEVER THE

MOTOR IS RUNNING

WARNING