Power Wiring (Solar Panels) Continued - Chamberlain Liftmaster Elite LA500-S Installation Manual

WIRING
CONNECT BATTERIES
1
Locate the Charge plug on the control board and remove the transformer
wires from the inputs.
2
Remove the electrical housing from the control box:
1
Remove the wire ties from the electrical housing and remove the five
screws securing the electrical housing to the control box.
2
Remove the junction box cover and remove the bottom standoff.
3
Shift the electrical housing to the side and remove the ground nut
holding the ground wire in place.
3
Remove the two middle standoffs in the control box and cap the exposed
screws with the provided acorn nuts.
4
Cap the exposed ground screw with the third acorn nut.
5
Place the battery tray in the bottom right corner of the control box.
Ensure the wires are not pinched and routed to the side of the battery
tray.
6
Place the batteries in the control box as shown.
7
Connect the longer red wire from the J15 plug (new solar wire harness) to
the positive (+) terminal of one battery. Connect the longer black wire
from the J15 plug (new wire harness) to the negative (-) terminal of the
other battery.
8
Apply power by plugging the J15 plug (new solar wire harness) into the
J15 input on the control board. NOTE: You may see a small spark when
plugging the J15 plug into the board.

POWER WIRING (SOLAR PANELS) CONTINUED...

Charge Plug with
Transformer Wires
Junction Box Cover
+ +
DC
BATT
POWER
J15 Plug
(new wire harness Model
LA500SLRHARN)
25
POWER WIRING (SOLAR PANELS)
Electrical Housing
Bottom Standoff
Battery Tray
SET OP N SET CLO E
R
R
E A E
O E N S C N S)
L M T
10
MOVE
GATE
2
5 6
ST TUS
OD S
AT CH RG NG TE M V NG CC WR O L
J15
N E R
J 5
Red Wire (+)
Black Wire (-)
-
+
Acorn Nuts
" RE
D
O
E
SH
C OS
O