12
INSTALLATION STEP 6
Install the Door Control
Locate door control within sight of door, at a minimum
height of 5 feet (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 -4° F (-20° C) and 122° F (50° C).
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 fl at-head
screwdriver. Fasten with 6ABx1-1/4" self-tapping
screws (drywall installation) or 6-32x1" 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 fi t.
• Drill and install top screw with care to avoid cracking
plastic housing.
DO NOT overtighten.
• Replace cover by inserting top tabs fi rst 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 2).
NOTE:
If you have any trouble with the operation of the
buttons, loosen the top mounting screw. DO NOT connect
power and operate the opener at this time. The trolley will
travel to the full open position but will not return to the
close position until the sensor beam is connected and
properly aligned.
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 control transmitters.
• 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.
HARDWARE SHOWN ACTUAL SIZE
Screw 6ABx1-1/4"
(standard installation)
Insulated Staples
Drywall Anchors
Screw 6-32x1"
(pre-wired)
Figure 1
To Replace
Insert Top
Tabs First
Push Bar
Cover
24 Volt Bell Wire
REMOVE &
REPLACE COVER
PRE-WIRED
INSTALLATION
Push Bar
Antenna
Red White Gray
Lock
Button
2-Conductor
Bell Wire
Door Control
Terminal Screws
Door Control Connections
Strip Wire 7/16" (11 mm)
To release or insert
wire, push in tab
with screwdriver tip
Light
Button
(BACK VIEW)
Quick-Connect
Terminals
Figure 2
R
1
W
2
