Chamberlain Whisper Drive Security+ 248739 User manual

TheChamberlain Group, inc.
845 Larch Avenue
Elmhurst, Illinois 60126-1196
www.chambedain.com
CQUS
SECURI'I
GARAGE DOOR OPENER
_)_)Model248739
For Residential Use Only
Owner'sManual
[] Please readthis manual andthe enctosedsafety materials carefully!
[] Fastenthe manual nearthe garage doorafter installation.
[] The doorWILL NOTCLOSEunlessThe ProtectorSystem®is connectedandproperlyaligned.
[] Periodicchecksofthe openerare requiredto ensuresafe operation.
[] The model number label is locatedonthe leftside panel of youropener.

OFCO. NTS
Introduction 2-7
Safety Symbol and Signal Word Review.............. 2
Preparing Your GarageDoor....................... 3
Tools Needed .................................. 3
Planning .................................... 4-5
Carton inventory ................................ 6
Hardware inventory .............................. 7
Assembly 8-11
Assemble the Rai!and Install tile Trolley ............. 8
Fastenthe Rail to the Motor Unit ................... 9
Install the Idter Pulley ............................ 9
Install the Belt and Attach the Belt CapRetainer ....... 10
Set the Tension ................................ 11
Installation 11-27
Installation Safety Instructions 11
Determine the HeaderBracketLocation ............. 12
Instaitthe Header Bracket........................ 13
Attach the Rail to the HeaderBracket ............... 14
Position the Opener ............................ 15
Hangthe Opener............................... 16
Install the Door Control.......................... 17
Install the Battery Backup ........................ 18
Install the Lights ............................... I8
Attach the Emergency ReIeaseRopeand Handle ...... t8
Electrical Requirements ......................... 19
Install The Protector System_' ................. 20-23
Fastenthe Door Bracket ...................... 24-25
Connectthe DoorArm to the Trolley............. 26-27
Adjustment 28-30
Adjust the UP and DOWNTravel Limits ............. 28
Adjust the Force ............................... 29
Test the Safety ReversalSystem ................... 30
Test The Protector System®...................... 30
Operation 31-36
OperationSafety Instructions ..................... 31
UsingYour GarageDoor Opener................... 32
Usingthe WatFMounted Door Control .............. 33
Care of Your Opener............................ 34
Having a Problem? (Troubleshooting) .............. 35
Diagnostic Chart............................... 36
Programming 37-38
To Add or Reprogram aHand-Held Remote Control .... 37
To EraseAII CodesFrom Motor Unit Memory ......... 37
3-Button Remotes.............................. 37
To Add, Reprogram or Changea Keyless Entry PIN .... 38
Repair Parts 3g-40
Rail Assembly Parts ............................ 39
Installation Parts............................... 39
Motor Unit Assembly Parts....................... 40
Accessories 41
Notes 42-43
Repair Partsand Service 44
Warranty 44
INTRODUCTION
Safety Symboland Signal WordReview
This garagedoor openerhas beendesigned and tested to offer safe service provided it is installed, operated, maintained
and tested in strict accordancewith the instructions andwarnings contained in this manual,
Mechanical
Electrical
When you see these Safety Symbols andSignal Words on
thetol!owing pages,they will alert you to the possibility
of serious injury or deathif you do not comply with the
warnings that accompany them, The hazard may come
from something mechanical or from electric shock, Read
thewarnings carefully.
Whenyou see this Signal Word on thefollowing pages, it
will alert you to the possibility of damage to your garage
door and/or the garage door opener if you do not compty
with the cautionary statements thataccompany it. Read
them carefu}ty,
2

Preparing YourGarageDoor
Beforeyou begin:
-Disabtelocks.
• Remove any ropes connected to garage door.
•Completethe following test to make sureyour garage
door is balanced and is not sticking or binding:
t, Lift the door abouthalfway as shown. Releasethe
door. If balanced, it should stay in place, supported
entireIy by its springs.
2. Raiseand lower the door to see if there is any
binding or sticking.
if your door binds, sticks, or is out of balance, calf a
trained door systems technician.
To prevent possible SERIOUS iNJURY or DEATH:
, ALWAYS cait atrained door systems technician if
garage door binds, sticks, or is out of balance.An
unbalanced garagedoor may NOTreversewhen
required.
. NEVERtryto loosen, moveoradjust garage door,
door springs, cables, pulleys, brackets or their
hardware, ALL of which are under EXTREME
tension.
• Disable ALL locks and remove ALL ropesconnected
to garage door BEFOREinstalling andoperating
garagedoor opener to avoid entanglement.
To prevent damage to garagedoor and opener:
• ALWAYS disable locks BEFOREinstalling and
operating the opener,
• ONLYoperategarage door opener at 120V, 60 Hz
to avoid malfunction anddamage.
SECTIONAL DOOB
ONE-PIECEDOOR
Toolsneeded
During assembly, installation and adiustment of
the opener, instructions will call for handtools as
iitustrated below.
Stepladder
Level(optional) TapeMeasore
Drilt
DrilI 3/t 6°, 5tl 6"
i_l and 5t32"
U112",5/8_,7/16", 9/16°
and I/4"
Pencil
WireCutters
Pliers
/,_ HackSaw
Screwdriver
Adjustable EndWrench

Planning
identify the type and height of your garagedoor. Survey
your garageareato seeif any of theconditions below
appty to your installation. Additional materials may be
required. You may find it helpfW to refer backto this page
and the accompanying illustrations as you proceedwith
the installation of your opener_
Dependingon your requirements, there are several
installation stepswhich may calI for materials or hardware
not included in the carton.
, Installation Step 1 - Look at the wait or ceiling above
the garagedoor. The headerbracket must be securely
fastened to structural supports.
• Installation Step 5- Do you havea finished ceiting in
your garage? If so, a support bracket andadditional
fastening hardware may berequired,
• installation Step 10- Depending upon garage
construction, extension brackets or wood blocks may
be neededto instaif sensors.
- Installation Step I0 - Alternate floor mounting of
the safetyreversing sensor will require hardware not
provided.
Doyou havean accessdoor in addition to the garage
door? 1tnot, Modei 7702CB Emergency Key Releaseis
required. SeeAccessories page.
Look atthe garage door where it meets the floor. Any
gap betweenthe floor and the bottom of the door must
not exceed 1/4"(6 ram). Otherwise,the safety reversal
system may not work properly. SeeAdjustment Step 3.
Floor or door should berepaired.
SECTIONALDOORINSTALLATIONS
- Do you haveasteel, aluminum, fibergIass or glass
panel door? if so, horizontal and vertical reinforcement
is required (installation Step 11).
• Theopener should beinstalled above thecenter of the
door. if there is a torsion spring or center bearing pinto
in the way of the headerbracket, it may be installed
within 4 feet(1.2 m) to the left or right of the door
center. See Installation StepsI and tl.
• If your door is more than 7 feet (2.t m) high, see rail
extension kits listed on Accessories page.
SECTIONALDOORINSTALLATION
Horizontal andvertical reinforcement
is neededfor lightweight garage
doors (fiberglass,steel, aluminum,
door withglass panels, etc,),
See page 24 for details.
Header Wail
OR
FINISHEDCEILING
Suppod bracket &
fastening hardware
is required.
See page t6.
pring
WalFmounled
DoorControl
VerticWCenterlin_
Safety Reversing Sensor
Safety
Gap between floor Reversing
and bottomof door Sensor
musl nol exceed 1/4" (6 ram).
Lrage
)or
Header Trolley CLOSEDPOSITION
Bracket StopBolt
Spriag/_( ] _e,t
_l Uoor Curved
' U Bracket DoorArm

Planning(Continued)
ONE-PIECEDOORINSTALLATIONS
°Generally,aone-piece door does not require
reinforcement, [f your door is lightweight, refer tothe
information relating to sectional doors in Installation
Step 11.
° Dependingon your door's construction, you may need
additional mounting hardware for the door bracket
(Step 11).
Without a properly working safety reversal system,
persons (particularly small children) could be
SERIOUSLYINJUREDor KILLED by aclosing garage
door,
• Thegap between the bottom of thegarage door
andthe floor MUST NOTexceed1/4" (6 mm).
Otherwise,the safety reversal system may NOT
work properly,
• Therider or the garage door MUSTberepaired to
eliminate the gap.
-% SafetyReversingSerlsor
/I
__ i allmounted
DoorControl
SafetyReversing
Sensor
Gapbetweenfloor
andbottomofdoor
mustnotexceedt/4" (6 ram).
ONE-PIECE DOOR WITH TRACK
Gapbetweerlrider S_rles_mg
Reversir_g }
Ser_soE
Header
andbottomof door Wall
mustnotexceedII4°(6ram).
5
CLOSEDPOSITION'
top Bolt Deft Trolley
Straight
Door Arm
Garage
Door
Emergency
Release
Rope &
Handle
CLOSEDPOSITION
TrotleyStopBolt Belt Trolley I
Bracket DoorArm_/t._ I:tai_
oooooopoooo/..,'
Door | -- Emergency
Y_///J " Bracket Straight Release
V_._ 6arage Door ROpe&
/./_ Door ,--m Handle

Carton Inventory
Your garage door opener is packaged in one carton which
contains the motor unit and all parts illustrated below.
Accessories will depend on the modet purchased, if
anything is missing, carefully check the packing material
Parts may be stuck in the foam. Hardware for assembly
and installation is shown on the next page. Savethe carton
and packing material until installation and adiustment is
complete.
SECURITY÷®
3-But[on Remote Control (2)
Garage Door Monitor Multi-Function
Door Control Panel
Belt
idler Pu!ley
Troiley O----
2-Conductor Bell Wire
White & White/Red
Motor Unit with 2 Light Lenses
Door Bracket
Rail
Fron! (header) //_._/'
y
Safety Sensor
Bracket (2)
Hanging Brackets
_#rYStne_e nsors
(1 Sending Eyeand I Receiving Eye)
with 2-Conductor White & White/Black
BelI Wire attached
SECURITY÷®
Keyless Entry
Header Bracket
Straight Door
Arm Section
SafetyandLabels !
Literature

HardwareInventory
Separate a}I hardware and group as shown below for the assembly and installation procedures.
ASSEMBLYHARDWARE
Sp_ingiTroiley Nut (t) Lock Nut Lock Washer Nut
1/4"-20 (2) 318° (I) 3t8" (I)
8olt 1/4°-20xt -3/4" (2)
Trolley Threaded Sbalt (I)
i
Master
Link (1) ld_erBolt (1)
INSTALLATIONHARDWARE
Carriage Bolt Wing Nut
1/4"o20xl/2" (2) 1/4"_20 (2)
©
R}ng
Fastener (3)
©
Nut 5/t6"-18 (8)
LagScrew
5/16"-9xl -5/8" (2) Hex Bolt
5/16"-18x7/8" (4) @
Lock Washer 5/t6 _(7) Insulated
Staples (30)
JIlittltlrltl
Lag Screw 5116" 18xl-718" (2) _ tllIlltllllll_l_lIlllIitl_
Screw 6ABx1-1i4" (2) Screw 6-32×1" (2)
_ding Screw
1/4"-14x5/8 °(2) Drywa_IAnchors (2)
ClevisPin
51t6°x1-ti2°(t)
o] Clevis Pin Clevis Pin
5/I 6"xl" (1) 5/16"xt-1/4 °(1)
Rope

ASSEMBLY STEP 1
AssembletheRail and install the Trolley
To avoid installation difficulties, do notrunthe garage
door opener until instructedto do so.
Thefront rail has a cut out "window" at thedoor end
(see illustration). The hole above this window is larger on
the top ef the rail than on thebottom. Asmaller hole
3-1/2" (8,9 cm) away is close to the rail edge. Rotatethe
back rail so it has a similar hole close to the opposite
edge, about 4-3/4" (I2 cm) from the far end.
1. Removethe straight door arm and hanging bracket
packaged inside thefront rail andset aside for
installation S_ep5and 12.NOTE: Toprevent lNJURY
while unpacking the rail carefully remove the straight
door arm stored within the raitsection,
2. Align the raii sections on a fiat surfaceas shown and
slide thetapered ends into thelarger ones. Tabs along
the side will lock into place,
To prevent iNJURYfrom pinching, keephands and
fingers away from the jointswhile assembling the rail,
3. Place the motor unit on packing material to protect
the cover, and rest the backendof therail on top.
For convenience, puta support under the front end of
the rait.
4. As a tempo_-arystop, inserta screwdriver into thehole
10" (25 cm) from tile front endol therail, as shown.
5. Checkto besure thereare 4 plastic wear padsinside
the inner [rolley. if they becameloose during shipping,
check all packing material. Snapthem backinto
position as sl;own.
6. Slidethe trolley assembly aIongthe rail from the back
endto the screwdriver.
Back Rails
(TO MOTORUNIT)
)ered
End
hmer Troiley
Wear Pads

ASSEMBLY STEP 2
FastentheRail totheMotor Unit
• Inserta 1/4"-20xl-3/4" bolt into the cover protection
bolt hole on the backend of the rail as shown. Tighten
securely with a 1/4"-20 lock nut. DO NOTovertighten.
- Removethe two bolts from the top of the motor unit.
• Place the"U" bracket,flat side down, on the motor unit
andalign the bracket holes with the bolt holes. Fasten
with the previously removed bolts.
- Alignthe rail assembly with the top of the motor unit.
Slidethe raftend onto the "U" bracket,all the way to the
stops that protrude on thetop and sides of thebracket.
To avoid SERIOUSdamage to garagedoor opener, use
ONLYthose botts/fasteners mounted in the top of the
opener.
Boils Motor Unit
Sprocket
HARDWARESHOWNACTUAL SIZE
LockNut
1/4"-20
Bolt 1t4_-20x_-3/4"
ASSEMBLY STEP 3
Install theIdler Pulley
•Lay the belt beside the rail, as shown. Graspthe
endwith the hookedtrottey connector and pass
approximately 12" (30 cm) of be_tthrough the window.
Keepthe ribbed side toward the rail, and aitow itto
hang until Assembly Step 5.
.Removethe tapefrom the idler pulley. The inside
center should bepro-greased. If dry, regreaseto ensure
proper operation.
•Place the idler puIley into the window as shown.
•Insert the idler holt from thetop through the rail
andpulley. Tighten with a 3/8" Iockwasher and nut
underneath the rail until the lock washer is compressed.
•Rotatethe pulteyto besure it spins freely.
•Insert a t/4"-20xl-3/4" bolt into thetrolley stop hole in
the front of therail as shown. Tighten securely with a
t/4"-20 lock nut.
Lock
Washer
3/8"
SLIDE RAIL TO STOP:
ONTOP AND SIDES
OFBRACKET
Lock Nut
Bolt
Trolley
StopHole
Grease '_
InsidePulley\
Trolley Id]er _ Nut
Connector Pulley
HARDWARESHOWNACTUALSIZE
Lock Washer 3/8" @
LockNut1/4"-20 Nut 3/8°
Bolt114"-20xt-3/4"

I
ASSEMBLY STEP 4
insta// theBe/tand AttachtheBe/t Cap
Retainer
1, Pullthe bdt around the idler puiiey and toward the
trolley. Theribbed side must contact thepulley.
2. Hook thetrolley connector into the retaining slot on the
trolley as shown.
3, With the trolley againstthe screwdriver, dispense the
remainder of the belt along the rail length toward the
motor unit andaround the belt pulley. The belt pufley
teeth must engage the belt,
4. Checkto make surethe belt is not twisted. Connect
thetrolley threaded shaft with the master link, as
itIustrated:
• Push pins of master link bar through holes in endof
belt andtrolley threaded shaft.
-Push master link cap over pins and past pin
notches,
, Slide clip-on spring over cap and onto pin notches
until both pinsare secureIy locked in place.
5. Insert the trolley threaded shaft through the hole in the
trolley. Besure the belt is not twisted.
6. Hold the belt at the trolley shaft as you thread the
spring nut by hand onto the shaft untiI finger tight
against thetrolley. Donot useany tools,
7. Removethe screwdriver.
8, Position the be_tcap retainer over the motor unit belt
puIleyas shown andfasten to the mounting platewith
8x3/8" hex screws provided.
To avoid possibIe SERIOUSiNJURYto fingers from
moving garagedoor opener:
• ALWAYS keep hand clear of sprocket while
operating opener,
• Securetyattach sprocket cover BEFOREoperating.
HARDWARESHOWNACTUALSIZE
HexScrew8x3/8°Spring/TrolleyNut
Master Link
Clip-On Spring
Master Link Cap
idler PuIIey
Spdng Nut
Trolley
Connector
Notch
Trolley Master
Threaded Link Bar
Shaft
Retaining
Slot _ Hex Screws
Belt Cap_ #8x3t8"
Retainer _l_J_l Motor Unit
,_ Sprocket
10