LiftMaster RSL12UL Owners Manual - English French - Page 17

AH battery

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INSTALLATION 7AH battery 1. Unplug the transformer. 2. Unplug the J15 plug labeled BATT on the control board by squeezing the plug and pulling it from the control board. This disconnects the ac/dc power to the control board. 3. Connect the red wire from the J15 plug to the positive (+) terminal of the battery. 4. Connect the black wire from the J15 plug to the negative (-) terminal of the battery. 5. Plug the J15 plug back into the control board. This will power up the control board. NOTE: You may see a small spark when plugging the J15 plug into the board. 6. Plug in the transformer. 33AH battery To use a 33AH battery in place of the 7AH battery, follow the instructions below. The 33AH application requires the 33AH wire harness (Model K94-37236). 1. Unplug the transformer. 2. Unplug the J15 plug labeled BATT on the control board by squeezing the plug and pulling it from the control board. This disconnects the ac/dc power to the control board. Discard this J15 plug and harness. 3. Connect one end of the red (+) wire from the new 33AH wire harness kit to the red wire from the new J15 plug as shown. Connect the other end of the red (+) wire to the positive (+) terminal on the battery as shown. 4. Connect one end of the black (-) wire from the new 33AH wire harness kit to the black wire from the new J15 plug as shown. Connect the other end of the black (-) wire to the negative (-) terminal on the battery as shown. 5. Reconnect the new J15 plug to the control board. NOTE: You may see a small spark when plugging the J15 plug into the board. 6. Plug in the transformer. 17

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17
7AH battery
1.
Unplug the transformer.
2.
Unplug the J15 plug labeled BATT on the control board by
squeezing the plug and pulling it from the control board. This
disconnects the ac/dc power to the control board.
3.
Connect the red wire from the J15 plug to the positive (+) terminal
of the battery.
4.
Connect the black wire from the J15 plug to the negative (-) terminal
of the battery.
5.
Plug the J15 plug back into the control board. This will power up
the control board.
NOTE:
You may see a small spark when plugging
the J15 plug into the board.
6.
Plug in the transformer.
33AH battery
To use a 33AH battery in place of the 7AH battery, follow the
instructions below. The 33AH application requires the 33AH wire
harness (Model K94-37236).
1.
Unplug the transformer.
2.
Unplug the J15 plug labeled BATT on the control board by
squeezing the plug and pulling it from the control board. This
disconnects the ac/dc power to the control board. Discard this J15
plug and harness.
3.
Connect one end of the red (+) wire from the new 33AH wire
harness kit to the red wire from the new J15 plug as shown. Connect
the other end of the red (+) wire to the positive (+) terminal on the
battery as shown.
4.
Connect one end of the black (-) wire from the new 33AH wire
harness kit to the black wire from the new J15 plug as shown.
Connect the other end of the black (-) wire to the negative (-)
terminal on the battery as shown.
5.
Reconnect the new J15 plug to the control board.
NOTE:
You may
see a small spark when plugging the J15 plug into the board.
6.
Plug in the transformer.
INSTALLATION