Chamberlain merlin MT23O User manual

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MT23O
Sectional
and
Tilt
GarageDoor
Opener
Installation
andOperatingInstructions
Owners
Copy:Pleasekeep
theseinstructionsfor futurereference

WARNING
.Fai|uretocomp|ywiththefo||owinginsbuctionsmayresultinseriouspe]sona|injuryorpropertydamage.
. Read
andfollowallinstructions
carefully'
. The
garage
door
opener
i.l""ign"O ani tested
tooffer
safe
service
provided
it isinstalled
and
operated
instrict
accordan""
*ith the
instructions
inthis
manual'
Thesafetyreverse
svstem
t":1,:::?I:T*:i; ^ Activateopenerontywh.en
thedoor is in
fii,.'J;ffi',.?'Sft."1"€',fly"",'J?i[tlfi"ili$,JJ:
l|7!ii:;[:,{;:,f;;*W,i:,:,i!.r?Ei,ii1,
i%fj3fl""i'u,fii1iiitlLi,,""o3"?l$ilr
;;;;;"" ;;;; - ?!i; [ii[in'i tn'
garagewhite
the
door
is
Repeat
thetestonce,a
-"n i" "iE iiixi anv a in motion'
;Ef:::;i;"i;i"ti"Jiti - - n Donotattowchitdrentoptavnearthedoor'
n Thisopener
shoutd
not
be instatled
in adamp $ or door controls'
ll #;";-'eiciexposea
to
weather. A ,r::i,:;::,J,Tr;i3,!"#3i,,:"n'!:o:,?:Z',
. Thisaopliance
isnot
intended
foruse
bypersons {'!) removing
covers'
A "l"f$1"9"9'r*ntgl':;:ff;i$'-'J:ifi:{il KEE.rHEsEtNsrRucno,vs
- knowledqe,
unless
they
have
been
given
supervl-
sion
or
iistruction
concerning
use
otthe
appllance
by
apersonresponsible
for
their
salety
Warning:lfyourgaragehasnoserviceentrancedoor'a,CMlTO2outsidequickreleasemustbeinstatled'
Thisaccessory
auo*, -unuli ii"iiizi'ii lii gn"ge aooriron oubidein case
of power
failure'
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:o"? ftii'.",,".g3ftSg5ffi,1nJ
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: : egg;.;;Pnl'-{o^ii1
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cry$1 ' 20
CoMPLETED
INSTALLATION
....4 '
noueLesHoorlNc 21
AssrveLy ........
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irl-srnllnrtoru ;91o" Mi'nirilrirjir'cncjrJn-cjp-er.rEri
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INSTALL
lR
SAFETY
eEnrr'rs
....re wnnnlrurY "'"' 23
door
opener' }\ Pemanenttv
fasten
the
Y?fiTfl"f3"",fJ,:
/A hstattation
a.\d
.Y.lringT'u:tP9il :gTfliance
A !trto-''*1,3^l"Ei.j*g"'i".n"ni"ms
as a
[f\ *itn your
local
building
andelectrical
codes L reminder
ofsafe
operartng
proceoures.

looon rYPEs
A.One-piecedoorwithhorizontal
trackonly
B.Sectional
door
with
curvedtrack
C.One-oiece
doorwithouttrack
Aroots REeUIRED
-s*\. .@>-, r
\\*\*\i\' 6E- r-€r-_
-\s un
EnenownnE PRovtDED
(1) MT230
opener
(2) Curved
doorarm
(3) Door
mountingbracket
(4) Straightdoorarm
(5) ldler
(6) Headerbracket
(7) Trolley
assembly
(8) Chainand
joiner
(9) Hardware
bag
(10)
OptionalSegmented
polepack
1^
,tWV
Vz"--- o -o/-n-=,,
" o#oo *
ffip''
,/_:_o/*
75275P1(optional
accessory)
(separate
carton)
3mChainPack
andJoiner
W,
.t

peeroneYou BEGTN
1.
Lookatthewall
orceilingabovethe
garage
door.The
header
bracketmustbesecurely
fastenedto
structural
suooorts.
2.Do
you
haveafinished
ceilingin
yourgarage?
lf
so,asupportbracket
andadditionalfastening
nardware
(not
supplied)may
berequired.
3.
Do
you
havean
accessdoorinaddition
tothe
garage
door?lfnot,model
CN41702
outside
quick
release
accessory
isrequired.
Thisaccessory
allowsmanual
operationofthe
garage
doorfrom
outsidein
caseof
power
failure.
4.
Completethefollowing
testtomake
sure
yourgarage
dooris
balancedandisnot
stickingorbinding:
' Lift
thedoorabouthalfway.
Releasethe
door.lfbalanced,
itshould
stayin
place,
supported
entirelybyits
springs.
' Raiseandlower
thedoortosee
ifthereis
anybindingorsticking.
lf
your
door
binds,sticks,oris
outofbalance,
call
atrained
doortechnician.
llcometereo NITALLATIIN(TILT
DooR
EXAMzLE
sHowN)
As_
you
proceed
with
theassembly,installation
and
adjustment
procedures
inthis
manual,
you
may
findithelpfulto
refer
backtothisillustration
ofacompleted
installation
fortiltdoors
(for
sectional
doorsref6rsection
17).
Trolley
shuttlelocated
onopposite
sideofpole
('1)
Headersleeve
(2)
ldler
pulley
bracket
(3)Trolley
(4) Pole
(5)
Chain/belt
(6)
Hangingbracket
(7) Power
cord
(8)
Opener
(9)
Light
lens
(10)
lilanualrelease
rope& handle
(11)
Curveddoor
arm
(12)
Straight
doorarm
(13)
Doorbracket
and
plate
(14)
Headerbracket
('l
5)Trolleyrelease
arm
pnsseuere 7s2lsp1
poLE
pAcK
(oprtoNAL)
Remove
the5sectional
poles
from
thecarton
andlaythem
out on the floor.
The end pole (i.e.
the polewithout
a
tapered
edge)should
beplaced
attheheader
end.
Assemble
the poles
by inserting
thetapered
endinto
the
non-tapered
endofthenext
pole
asillustrated. Ensure
that
each
pole
ispushed
firmlyinto
thenext.
NOTE:lf usinga mallet
to drivethe joins home,usea
piece
of timberat each
endto minimise
burring.
U
fl
4

Vwsratt rHETRILLEr ANDTDLER
puLLEy
Slidethetrolleyassembly
(1)
ontothe pole
(3)
taking
note of the door directionarrow(fig 1).The trolley
shouldbelocatedmidway
alongthe
pole.
Insertthepole
(3)
into
theidler
pulley(2)
end
as
illustrated.
lnemovr cHAtN
spRocKETcovER
ANDtNsrALL
THEcHAtN
. Removethe
sprocketcoverfrom
theopenerand
wrapthechain
aroundthedesired
chainsprocket.
NOTE:Thelarge
sprocketmay
beusedfordoor
typesAandB,the
smallerdrivesprocketMUST
beusedfordoortypeC.
. Run
thechainthroughthe
trolleyasillustrated
and
join
usingthechainconnector.Ensure
theconnec-
torislocated
300to
500mm
from
theopener.
I
Tighten
thechain:
Oncethe chainhas been installed,
join the two ends
together
usingtheconnector.Rotate
theadjuster
untilthe
chainhasnoslack.
DONOT
OVERTIGHTEN!
Oncethechainhasbeentensioned.
tiqhtenthe
locknuts.
lordoo6 25io3m orone
ple@
doorswithouitEck
Connecting
thechain
Locknut Rotate
adjuster Locknut
opposite
sideof
pole
6

Wearprotective goggreswhen working overheadto protectyour eyesfrom iniury.
Disengage
all existing garagedoor locks to avoid damageto thegaragedoor,
Toavoid serious personalinjury from entanglement,removeall ropes connectedto thegaragedoor
before installing the opener,
It is recommendedthat the openerbe insta ed 2.1mQ feet)or more abovethe floor where space permits,
Eposrzoru THEHEADERBRAIKET
The header brccket must be rigidly fastened to a
structural support of thegarage- Reinforce the wall or
ceiling with a 40mm (1-1/2") board if necessary.
Failure to comply may result in improper operation of
safety reverse system.
Youcan attachthe headerbracketeitherto the header
wall
('1)
ortotheceiling
(3).
Followtheinstructions
which
willworkbestfor yourparticular requirements.Withthe
door
closed,
markthe
verticalcentreline
(2)
ofthe
garage
door.Extendlineontoheaderwall
abovethedoor.
Opendoorto highest
point
oftravel.Drawanintersecting
horizontalline
(4)
on headerwall
50mmor200mmabove
high
point
toprovide lravelclearancefortopedge
ofdoor,
(height
dependsondoortyperefer
section15).
Errusrnrr rHEHEADERBRAIKET
InstallingHeaderBracketPole
A.WallMountfor onepiece tilt doors:Centrethebrack-
et(2) onthevertical
guideline
(1)
withthebottomedge
ofthebracketonthehorizontalline
(6). l\4arkeitherset
of bracketholes
(4) if using a centralfixing point. lf
not use the screws provided to fasten the bracket
securely using the corner holes (5). Drill4.5mm
(3/16")
pilot holesand fastenthe bracketwith wood
screws
(3).
B.Wall Mountsectionaland trackedtilt doors: Centre
thebracket
(2)
onthevertical
guideline
(1)
with
thebot
tomedgeofthebracket
on
thehorizontal
line
(6). Mark
eithersetof bracketholes
(4)if using a centralfixing
point- lf not use the screws provided to fasten the
bracket securely using the corner holes (5). Drill
4.5mm(3/16")pilot
holesand fastenthe bracket with
woodscrews
(3).
C. Ceiling Mount: Extendvertical
guideline(1) ontothe
ceiling.Centrethe bracket
(2)on theverticalmark
no
morethan
'l50mm
(6")
from
thewall.Drill4.5mm
(3/16")
pilot
holesandfastenthebracketwithwood
screws
(3).
Forconcrete
ceiling
mount,
use concrete
anchors
(7)
provided.
4
ffiq\. Phl
ilq\
a/r|[
\\i/ \2
v
o!::' 200mm
50mmlo200mm
(depending
ondoorlype)
6

Eerrncn poLEAssEMBLyro HEADERBRAaKET
Positionopeneron garage
floorbelowtheheaderbracket.
Use
packing
materialtoprotect thecover.
NOTE:ToenablethePoletoclearsectionaldoorsprings,
it maybenecessaryto liftopenerontoatemporarysup-
port,
Theopenermusteitherbesecured
toasupport orheldflrm-
lyinplace
by
another
person.
Raisethe
pole
assemblyuntil
chain
pulley
andheaderbracketscome
together.
Join
with
clevis
pin(1).
InsertR-Clip
(2)
tosecure.
peosmoNwc THEoPENER
SECTIONALDOOROR
TRACKEDTILTDOOR
Youwillneed
a50mm
piece
oftimberorsimilar
spacerto
gauge
thedistancebetweendoorand
pole.
1.Raisetheopenerontoasupport.
2.Openthedoorcompletely,
place
a50mm
spacerbetlveenthedoorandtherail
(as
shown).
3.lfthetopsectionor
panel
hitsthetrolleywhen
you
raisethe
door,
pull
downonthetrolleyarm
todisengagetheopener.Leavethetrolleyin
this
position
until
opener
isfastenedin
place.
ONE
PIECETILTDOOR
Youwillneeda 100mm
(4")piece
oftimberorsimilar
spacertogauge thedistancebetweendoorand
pole.
1. Raise
the doorontoa support
2.Openthedoorcompletely,
place
a 100mm
spacerbetweenthedoorandtherail
(as
shown).
3.Thetopofthedoorshouldbelevelwiththetop
oftheopener.
Do notposition
theopenermore
than50mm
(2")
abovethis
point.
Heroer abov€tha hlohest PoLe
BBdd po,nr
of ira,a

@ anrue
rHEoPENER
The
opener
mustbesecurely
fastenedtoastructuralsupport
ofthe
garage.
Threerepresentativeinstallationsare
shown.Yoursmaybe
different.Hangingbrackets
(1)
shouldbeangled
(Figure
A)
to provide
rigid
support.
Onfinishedceilings,
(Figure
B)
attach
asturdymetalbracket
(not
supplied)
(4)
toastructur-
alsupportbefore
installingtheopener.
Forconcreteceiling
mount,
(Figure
C),useconcrete
anchors
(5)(provided).
Oneachsideofopener
measurethedistancefromtheopen-
erlothestructuralsupport
(or
ceil;ng).
Cutboth
pieces
of
thehangingbrackettorequired
lengths.
Flattenoneendof
eachbracketandbendortwistto
fit
the
fasteningangles.Donotbendatthebracket
holes.Drill4,
5mm
(3/16")
pilot
holesinthestructuralsupports
(or
ceiling).
Attachflattenedendsof bracketsto suDoortswithwood
screws
(2).
Liftopenerandfastentohangingbracketswithscrewlockwasher.Check
tomakesurethe
pole
iscentredover
the
door.REN4OVE50mmboard.Ooerate
doormanuallv.lfdoorhitsthe
Dole.
raise
header
bracket.
,lhnmr'rmt>
t1-
.@
Anmmmr=.
' lJlrroImr
a
Eerrecu MAN;ALRELEAiERopE& HANDLE
Threadoneendof rope
(1)
throughholeintopof redhandleso
'NOTICE"readsrightsideupasshown
(3).
Securewithanover-
handknot
(2).
Knotshouldbeat least25mm
(1")
fromendofthe
ropetoprevent slipping.Threadotherendof ropethroughholein
releasearmoftheoutertrolley
(4).
Adjustropelengthsothathan-
dleis '1.8m
(6
feet)abovethe
floor.
Secure
withanoverhandknot.
Note:lf it is necessaryto cut rope,heatsealcut endto
prevent
fraying.
Door should be releasedin the closed
position if possible.
ToDisengage:
Pull
down
theonredhandle.
DO NOT USE THEHANDLETOOPENOR
CLOSETHEDOOR.
ToEngage:
Pulltheredhandleupandbacktowardsthe
opener.Thetrolley
will
engage
whenopener
isactivated.
4
DO NATDI6€NGAGETHEOPENER
TOMAN'IAL OPERANON WTH CHILDREN,PERSOIVSOROIHER
OBJECIS
INCLUDINGMOTORVEHICLESVWTHTNTHEDOORWAY:
(The
daoris undersignilicanttension
andif
the daor hasdevelopeda fault or incorrect tension,it maybe unsafeandmay fall rapidly.)
8

Epnsreru DooRBRAIKET
SectionalandOne-Piece
Doorlnstallation Procedure:
1.Centredoorbracket
(with
orwithoutdoorbracket
plate,
asrequired)atthetopinsidefaceofdoorasshown.
Mark
holes.
A. One-piecedoors: locatebracketat
insidefaceofthedoor0-'l00mmdown.
B.Sectionaldoor: 150
- 250mmbelow
thetop
of
the
door.
2.A.Woodendoors
Drill
8mm
holes
(5/16")
and
fastenthe
doorbracket
withnut,lockwasher,
and
carriagebolt
(3).
B.Sheetmetaldoors
Fastenwithwoodscrews
(2).
C.One-piece
door optional
Fastenwithwoodscrews
(2).
E co,v,rlecr
rHEDooRARM
(oNE
ptEcE
DooRs)
Figure4
Assemble the Door Arm:
. Fastenthe straightand curveddoor arm sections
togethertothelongest
possible
lengthwith
a 2 or 3
holeoverlap
(Figure
4).
. Makesurethegarage
door
isfully
closed.Connect
thestraightdoorarmsectiontothedoorbracketwith
theclevis
pin.
. SecurewithanR-clip.
. Pullthe emergencyreleasehandle,disengagethe
trolley
by pulling straight
downon the emergency
releasecord.Slidethetrolleytowardopener.
. Connectthecurvedarmsectionto thetrolleyusing
theclevis
pin
andR-clip
provided.
NOTE:When setting the up limit the door should
NOT have a backward slant when fully open as
illustrated
(Figure5).A slight backwardslant will
cause unnecessarybucking and/or
jerking opera-
tion asthe dooris beingopenedor closed
fromthe
fully open position(figure 5).
Door
Bracket
Clevf
I

B conuecr DooRARM
(sEcrtoNAL
DooRs)
l\4akes
sure
garage
dooris fullyclosed.Pullthe
emergencyreleasehandletodisengagethetrolley.
Slidethetrolley
assemblyback
200mmfrom
the
idler
pulley.
Figure1.
. Fasten
straightdoorarmsectiontotrolley
assembly
usingthe
hardware
provided
with
your
opener.
Figure2.
. Bring
armsectiontogether.Findtwo
pairs
of
holes
thatlineupand
join
sections.
Selectholesasfarapartas
possible
to
increase
doorarmrigidity.
Figure3.
. lfholesin
curvedarmareaboveholesin
thestraightarm,disconnectstraightarm
andcutapproximately150mmfrom
solidend.Re-connectto
trolleywithcut
enddownasillustrated.
. Bring
armsectionstogether.
. Findtwo
pairs
ofholesthatlineupand
join
withbolts,washersandnuts.
Figure2
Figure3
i(- 200mh(8")min.
I-\\
(l( )i)
\*'"-/
-*^6-
lR
Y ,,il\
ilt-----r
wr/-
Cut
this
end
Figure1
"r-*
ov/
2[ "o**rcr ELEcrRrcPowER
TOAVOIDINSTALLATIONDIFFICULTIES,
DONOT
RUNTHEGARAGEDOOR
OPENERUNTIL
INSTRUCTED
TODOSO.
Connecttheopenerto aproperly EARTHED
power
outlet,installedin compliancewith localbuilding
and electricalstandards.
10