LiftMaster Elite Serie Instructions D'installation page 3

INSTALLATION
(MODEL SERIES CSL24 AND RSL12)
1. Disconnect all electric and battery power to the operator.
2. Fasten the heater bracket to the operator with the provided hardware.
NOTE: The location for the heater will vary. Refer to the illustration to find
the location of the heater on your operator.
3. Attach the heater and thermostat to the heater bracket by sliding the
top clips onto the bracket, then push down until the bottom clips snap
onto the bracket.
4. Route the heater wires to the power wires on the operator, securing
the wires with the provided wire clips:
Model CSL24: Choose an appropriate sized knockout on the junction
box and install the watertight connector. Insert the heater wires
through the watertight connector and into the junction box.
Model RSL12: Run the heater wires through the cable bushing in the
lower left side of the electrical box.
5. Connect the heater wires to the power wires of the operator with the
provided wire nuts (black to black and white to white).
6. Slide the battery bracket tabs into the slots on the operator's chassis,
then secure the front of the bracket with the provided wing nuts, lock
washers, and washers. NOTE: Make sure the battery terminals DO NOT
make contact with the operator chassis as this will short the control
board.
7. Set the thermostat dial between 45°F and 60°F.
8. Reconnect power to the operator.
MODEL CSL24
Battery Bracket
Thermostat
Heater Bracket
Heater
NOTE: The heater should be centered
directly under the gearbox.
01-37240B
Heater Bracket
Junction Box
© 2022, LiftMaster – All Rights Reserved
1-1/4" minimum
distance
Thermostat
Top Clip
Electrical Box
(front of operator)
Cable Bushing
Battery Bracket
Heater
MODEL RSL12
Heater Bracket
Thermostat
Heater
NOTE: The heater should be centered
directly under the gearbox.