INSTALLATION STEP 5
Install the Door Control
Locate door control within sight of door, at a minimum
height of 5' (1.5 m) where small children cannot reach,
away from moving parts of door and door hardware. If
installing into drywall, drill 5/32" holes and use the anchors
provided. For pre-wired installations (as in new home
construction), it may be mounted to a single gang box
(Figure 1).
NOTE:
The functional temperature range of the door
control is between -20°C (-4°F) and +50°C (+122°F).
Scroll speed of display is slower at lower temperatures
although the door control remains fully functional.
CAUTION:
Continuous exposure of the door control to
temperatures below -22°F (-30°C) may damage the LCD
screen.
SPECIAL NOTE:
Only one 398LM can be connected to
each garage door opener. If additional wall controls are
desired to operate the same garage door opener, it is
recommended to use model 378LM wireless wall control
as the secondary door control.
1. Strip 7/16" (11 mm) of insulation from one end of bell
wire and connect to the two screw terminals on back of
door control by color: white wire to the W (2) and
white/red wire to the R (1) (Figure 2).
2. Remove push bar cover by gently prying at the lower/
middle portion of the cover with a small flat-head
screwdriver. Fasten with 6AB x 1-1/4" self-tapping
screws (drywall installation) or 6-32 x 1" machine
screws (into gang box) as follows:
•
Install bottom screw, allowing 1/8" (3 mm) to protrude
above wall surface.
•
Position bottom of door control on screw head and
slide down to secure. Adjust screw for snug fit.
•
Drill and install top screw with care to avoid cracking
plastic housing.
Do NOT overtighten.
•
Replace cover by inserting top tabs first and then snap
cover in place.
3.
(For standard installations ONLY)
Run bell wire up
wall and across ceiling to motor unit. Use insulated
staples to secure wire in several places. Do NOT pierce
wire with a staple, creating a short or open circuit.
4. Strip 7/16" (11 mm) of insulation from end of bell wire.
Connect bell wire to the quick-connect terminals on the
motor unit: white to white and white/red to red
(Figure 3).
NOTE:
DO NOT connect the power and operate the
opener at this time. The door will travel to the full open
position but will not return to the close position until the
sensor beams are connected and properly aligned.
See page 14.
WHT/RED
WHT
Door Control
Connections
To insert or release wire,
push in tab with
screwdriver tip
7/16" (11 mm)
Strip wire 7/16" (11 mm)
To prevent possible SERIOUS INJURY or DEATH from
electrocution:
• Be sure power is not connected BEFORE installing door control.
• Connect ONLY to 24 VOLT low voltage wires.
To prevent possible SERIOUS INJURY or DEATH from a closing
garage door:
• Install door control within sight of garage door, out of reach of
children at a minimum height of 5 feet (1.5 m) and away from
ALL moving parts of door.
• NEVER permit children to operate or play with door control push
buttons or remote controls.
• Activate door ONLY when it can be seen clearly, is properly
adjusted and there are no obstructions to door travel.
• ALWAYS keep garage door in sight until completely closed.
NEVER permit anyone to cross path of closing garage door.
Drywall Anchors
Insulated
Staples
Screw 6AB
x
1-1/4"
(standard installation)
Screw 6-32
x
1"
(pre-wired)
HARDWARE SHOWN ACTUAL SIZE
Figure 3
10
Push Bar
Light
Button
Lock
Button
Door
Control
Terminal
Screws
(BACK VIEW)
W
2
R
1
2-Conductor
Bell Wire
LOCK
LOCK
Figure 2
PRE-WIRED INSTALLATION
REMOVE & REPLACE COVER
To Replace Insert
Top Tabs First
Push Bar Cover
24 Volt Bell Wire
LOCK
LIGHT
LOCK
LIGHT
Figure 1
Summary of Contents for LiftMaster Security+ 3800E
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