13
PRE-WIRED INSTALLATION
REPLACE COVER
REMOVE COVER
To Replace Insert
Top Tabs First
Push Bar Cover
24 Volt Bell Wire
LOCK
LIGHT
LOCK
LIGHT
LOCK
LIGHT
INSTALLATION STEP 6
Install the Smart Control Panel
®
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 flat-head screwdriver
(Figure 1). 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 (Figure 1).
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 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 6ABx1-1/4"
(standard installation)
Screw 6-32x1"
(pre-wired)
HARDWARE SHOWN ACTUAL SIZE
Strip wire 7/16"
7/16" (11 mm)
Red GreyWhite
Quick-Connect
Terminals
Antenna
To release or insert wire,
push in tab with
screwdriver tip
Door Control
Connections
Push Bar
Light
Button
Lock
Button
Door
Control
Terminal
Screws
(BACK VIEW)
W
2
R
1
2-Conductor
Bell Wire
LOCK
LOCK
Figure 2
Figure 1
Quick-Connect
Terminals
Strip wire 7/16" (11 mm)
7/16" (11 mm)
Red GreyWhite
To insert or release wire, push
in tab with screwdriver tip
Door Control
Connections
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