Intermatic SS7 SERIES - User Manual

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DAY H+

M+

MODE RESET

ON/OFF

EVENT

MAN

MODEL SS7 SERIES

INSTALLATION AND OPERATING

INSTRUCTIONS

Features

•Automaticormanualoperation.Pushtheclearcover/switchtoswitchOnorOffatanytime.

•Programupto6On/Offsettingpairs(12automaticswitchsettings).

•Eachsettingtimecanbeonceaweek,everyday,everyweekday,oronlyonweekends.

•LCDDigitalclockandreadout.

•Randomfeatureautomaticallyvariesswitchingtimesfora“lived-in”look.

•OneAAAAlkalinebatterykeepstime,operatestimer,andkeepstheprogramforupto1

years,evenwithout

utilitypower.

•Canbeusedforflood(PAR)andcompactfluorescentlampsanddimmers.

•Unique“hardcontact”outputswitchallowstimertocontrolmost120VACloads.

 Alsocontrolsmanyloads12to277VACand12to28VoltsDC.

 Refertoproductlabelformaximumratingsforvariousvoltagesandloadtypes.

Introduction

Thetimercanreplaceyourregularor3-waylightswitch(wheretwoswitchescontrolthesamelight)tocontrol

lightsforsecurity,orcancontrolanoutlettoswitchmost120VACloadsuptothemaximumratingonthetimer

label.Thetimercancontrolincandescentlights,fluorescentlights,floodlights(PARlamps),stereos,orappliances

suchasanairconditioner.Thetimercanalsocontrolmanyloads12to277VACand12to28VoltsDC.Timer

maynotbeusedwithlightedswitches.

YouwillneedtouseaDecoratorstylewallplatewiththistimer(notsupplied).

Theinstallationinstructionsonthispageareforreplacingalightswitch(or3-waylightswitch)withthetimer.See

“OtherInstallations”onthenextpageforwiringdiagramsfornewconstruction,switchingfrom3ormorelocations,

orusingthetimerwithadimmer.

Installation Instructions - Single Switch or 3-way - to replace an existing

switch:

1.TURNOFFPOWERbyREMOVINGFUSEorturning

theCIRCUITBREAKEROFF.

2.Removetheexistingwallswitch.

Preparetheendsofthebuildingwiringasshown.

7/16”

Trimbuildingwiresbareto7/16”.

Programming and Operating Instructions

Introduction to Operation and Programming:

Thetimerisaprogrammableswitch.

Atanytimeyoucanpushtheclearcover/switchtomanuallyturntheswitchONorOFF,unlessselectedmode

isCLKorPGM.

Youcanprogramupto12ON/OFFEVENTS;timeswhenthetimerautomaticallyswitchestheconnectedlights

(orotherelectricaldevices)ONorOFF(upto6ONeventsand6OFFevents).AnEVENTcanbesettoswitch

at:

•  anyspecifictime,anddayoftheweek,

•  aspecifictimeeveryday,

•  aspecifictimeonweekdays,or

•  aspecifictimeonweekends.

SeeInstallation Instructionsfirstifyourtimerisnotalreadyinstalled,oriftheAAAlkalinebatteryisnot

installed.

Workslikealightswitch.Pushandreleasetheclearcover/switch

(areaoverbuttons)toswitchONorOFF.OrswitchONandOFF

usingtheremoteswitch(es)inmulti-switchinstallations.

Manual Override

• WorksinAUTO,AUTORANDorMANmodes.

• Youhearamotor/clickingsound.

• ON/OFFdisplaychanges.

• TheprograminAUTOorAUTORANDremains;itauto-

maticallyswitchesONorOFFatnextprogrammedtime.

Controls and Displays

Cover/Switch

Theclearcover/switchisthemanualON/OFFcontrol.

1. Pullatnotchattopedgetoremovecoversoyoucanuse

theprogrammingbuttons.

To replace cover/switch:

2. Setbottominfirst.

3. Clickinthetop.

To remove battery:

4.Graspholderatsidebumps

(4a,4b)andpullstraightout.

To re-install battery:

5.Placebatteryinholderwith“+”

endtowardsfrontoftimer.Insert

batteryandholderintotimer.

Pushat(5)soitclicks

intoplace.

Battery Holder

7. Pullatnotchattopedgetoremovetheclear/coverswitchsoyoucanuse

theprogrammingbuttons.

8. TostoptheflashingdisplayandturnswitchtoOFF:PushRESETbutton;

PushMODEsoCLKisdisplayedattheupperleft;pushH+tostopthe

flashingdisplay;pushMODEtwicesoMANisdisplayedattheupper

right;pushON/OFFEVENTsodisplayatupperrightsaysOFF(youmay

hearthetimermotorrunandaclickingsound).

9. Yourtimerisnowreadyforuse.Returnthepowertothecircuitatthe

servicepanel.

RESET button

Recessedsoyoudon’tpushitaccidentally.

Pushandreleasetoreset:

WhenyoupressRESET:

• ThemodeswitchestoMAN.

• TheswitchissettoON.

• TheclockissettoMO12:00AMandflashes.

• AllprogrammedONorOFFtimesaresettonull

 (atnull,noswitchingoccurs,clockdisplays-:--).

(AfterpushingRESET,youmustsettheclockthensetthe

ON/OFFtimes.)

• IfNoOpappearsindisplay,pushbatterycoverinuntilyou

 hearaclick.Pushresetbuttontocleardisplay.Proceed

 withprogramming.

Push Buttons:

MODE

DAY button

Functiondependsonthemode:

CLK mode- Push and release to cycle throughthe daysof the

week:MO,TU,WE,TH,FR,SA,SU.Pushandholdtocyclequickly.

PGM mode - Push and release to cycle through all week,

weekdays,weekend,individualdaysoftheweekandnull:

MOTUWETHFRSASU(alldisplayedatonceisallweek)

MOTUWETHFR(alldisplayedatonceisweekdays)

SASU(displayedisweekend)

MO,TU,WE,TH,FR,SA,andSU(areindividualdays)

-:--(onclockdisplayisthenullsetting)

UsenulltocancelanunwantedONorOFFsetting.TheDAY

buttondoesnothinginAUTO,AUTORANDorMANmodes.

DAY

H+ (hour) button

WorksinCLKandPGMmodes.

Pushandreleasetocycleforwardthroughthehoursoftheday.

Pushandholdtocyclequickly.

AMandPMautomaticallyswitchat12.

Ifyoupassthecorrecthour,pushandholdtocyclearoundagain.

H+

M+ (minute) button

WorksinCLKandPGMmodes.

Pushandreleasetocycleforwardthroughtheminutes.

Pushandholdtocyclequickly.

Ifyou passthecorrect minute,push andhold to cyclearound

again.

M+

ON/OFF/EVENT button

Functiondependsonthemode:

CLK mode-ON/OFFEVENTbuttondoesnothing.

PGM mode-Switchesinorderthroughthe12programmable

events1 on, 1 off, 2 on, 2 off, 3 on, 3 off, 4 on, 4 off, 5 on, 5

off, 6 on,and6 off.

AUTO mode-Manuallyturnsswitchonoroff.

AUTO RAND mode-Manuallyturnsswitchonoroff.

MAN mode-Manuallyturnsswitchonoroff.

How to set or change the clock

1. Removetheclearcover/switch.

2. PushandreleaseMODEbuttonuntilCLKisdisplayed(2a).

3. PushandreleaseDAYbuttonuntilcorrectdayofweekisdisplayed(3a).

4. PushandreleaseH+buttonuntilhourandAM/PMarecorrect(4a).

5. PushandreleaseM+buttonuntilminutesarecorrect(5a).

6. PushandreleaseMODEbuttontochooseAUTO,AUTORANDorMAN.

7.Replaceclearcover/switch.

8.Pushandreleaseclearcover/switchtoswitchloadONorOFFif

necessary.

How to set, change, or review ON/OFF times

1. Removeclearcover/switch.

2. PushandreleaseMODEbuttonuntilPGMisdisplayed(2a).

[atevent1on]

3. Ifnecessary,pushandreleaseON/OFF/EVENTbuttonuntileventtoset/

changeisdisplayed(3a),orpushtheON/OFF/EVENTpushbutton

 repeatedlytoreviewalltheON/OFFtimes.

4. PushandreleaseDAYbuttonuntildesireddayorgroupofdaysisdisplayed

(4a),or pushand releasethe DAYbutton until“-:--” isdisplayed, ifyou

wouldliketocancelthisONorOFFtime.

5. PushandreleaseH+buttonuntildesiredeventhourandAM/PMare

 displayed(5a).

6. PushandreleaseM+buttonuntildesiredminutesaredisplayed(6a).

7. PushandreleaseON/OFF/EVENTbuttontochoosethenexteventtoset

 orchange(7a).

8. Push and release MODE button to choose AUTO,  AUTORAND, or

MAN.

9. Replaceclearcover/switch.

10. Pushandreleaseclearcover/switchtoswitchloadONorOFFifnecessary.

BLACKWIRE

BLUEWIRE

REDWIRE

(Capped,NotConnected)

PUSHON/OFF

MODE button

Pushandreleasetochangethemode(upperlineofthedisplay).

CLK mode-Tosetorchangethetime.

PGM mode-Toset,revieworchangeprogrammedON/OFFtimes.

AUTO mode-ProgrammedON/OFFtimeswork.Manual

switchingworks.

AUTO RAND mode-ProgrammedON/OFFtimesworkand

arerandomlyoffsetupto15minutes.Manualswitchingworks.

MAN mode-Onlymanualswitchingworks.Programmed

ON/OFFtimesremaininmemory.

TheMode buttonskipstheAUTO modesifthetimeofday

and/ortheON/OFFtimeshavenotbeenset.

WIREFROM

“COMMON”OF

OLDSWITCH

BLACKWIRE

REDWIRE

BLUEWIRE

REMOTE

3-WAY

SWITCH

MOVE

JUMPERWIRE

TOOTHER

TERMINAL

IFTHIS

SWITCH

DOES NOT

TURNLIGHT

COMMON

Single switch:

3.Connectoneofthebuildingwirestotheblackwirefrom

thetimer,usingthetwistonwireconnectorsprovided.

Connecttheotherbuildingwiretothebluewirefrom

thetimer.

THEREDTIMERWIREISNOTUSEDFORSINGLE

SWITCHINSTALLATIONS.Captheredwirewithatwist

onwireconnector.BESURETHATALLTHETWISTON

WIRECONNECTORSARESECURE.

3-way switch: (See “Other Installations” to use a dimmer or if switching from 3 or more locations)

3a.Athreewayswitchhasthreewiresconnectedtoit.Oneofthewiresis“common”(theterminalhasadif-

ferentcoloredscrewortherearemarkingsontheoldswitch).ConnecttheBlackwirefromthetimertothe

commonwire.ConnecttheothertwowirestotheBlueandRedwiresfromthetimer(itdoesn’tmatterwhich

goestowhich.)

3b.Identifythe“common”terminalattheother(remote3-way)switch.Connectthesuppliedjumperwire

fromthecommonterminaltooneoftheothertwoterminalsoftheswitch.

(Ifthelightdoesnotturnonwhenyougettostep9,turnpoweroffatthefuseorcircuitbreakerandswitch

thejumperwiretotheotherterminal.)

4.Tuckthewiresintothewallboxleavingroomforthetimer.

5.Usingthescrewsprovided,mountthetimertothewallboxtheninstallthewallplate.

Battery (If not supplied with unit.)

6.Releasebatteryholderwithflatscrewdriveratnotch(6a)andpullstraightout.UsesastandardAAAalkaline

battery.Setthebatteryinthebatteryholder(+towardsfrontoftimer).Tuckbatteryunderplastictabofholder. 

Insertbatteryholdersoitclicksintoplace.

Battery

Holder

2,6

LOAD MAINTENANCE

WARNING1 DO NOT USE THE TIMER TO TURN OFF POWER FOR MAINTENANCE (repairs, removing

broken bulbs, etc.).  ALWAYS TURN POWER OFF AT THE SERVICE PANEL BY REMOVING  A FUSE OR

SWITCHINGOFFACIRCUITBREAKERBEFOREDOINGANYCIRCUITREPAIRS.

Error Messages

The‘lobAt’messagemeansthebatteryislowandneedstobereplaced.UsesonestandardAAAalkalinebattery.

The display is ‘noOp’ (Meaning no Operation) if the timer fails to operate.  This can happen in very cold

temperatures. Normal timeroperation should resume at normaltemperatures.  Press any buttonto clear the

message(s).Ifthe‘noOp’remainsatnormaltemperatureswithafreshbattery,timerneedstobereplaced.

2,8

3,7

(Example)

DAY H+

M+

MODE RESET

ON/OFF

EVENT

MAN

CAUTION: This timer should not be used in precision timing applica-

tions where inaccurate timing could have dangerous consequences (i.e., sun

lamps, sauna, etc.)

Battery Replacement

The1.5VOLTalkalinebatteryshouldoperateyourtimerfor1

yearsormoreundertypicalconditions.High

orlowtemperatureorfrequentuseofthemanualpushbuttonorthe3-wayswitchwillreducethebatterylife.

Replacethebatterywhenthedigitaldisplayisdim,themessage‘lobAt’(MeaningLOWBATTERY)isdisplayed,

orifthetimerfailstooperate.Pressanybuttontoclearthe‘lobAt’message.Thetimerhasbuilt-inmemory

protectionprovidingatleast15secondstochangeaweakbatterywithoutlosingyoursettings.Youdonotneed

toturnofftheloadorthepowerinordertoreplacethebattery,however,donotattempttoswitchthetimer

onoroffwhilethebatteryisoutoryoursettingswillbelostandthetimerwillneedtobereset.

Questions and Answers

A
Ann RobertsSep 12, 2025
What to do if my Intermatic SS7 display shows ‘no Op’?
- T
  Tanya CraneSep 12, 2025
  If the Intermatic Control Unit display shows ‘no Op’, it means the mechanism is inoperative. If the timer is in a very cold environment, try again when warmer. If not, and if the battery is good, the timer should be replaced. Push in the battery cover until you hear a click. Push the reset button to clear the display and reprogram the unit. Replace the device if NoOp will not clear from the display.
B
Brittney HoganSep 14, 2025
Why does my Intermatic Control Unit timer ignore the remote (3-way) switch?
- J
  Jennifer MorrisonSep 15, 2025
  If the Intermatic Control Unit timer ignores the remote (3-way) switch even though it's wired correctly, it could be due to excessive wire length (greater than 30 feet) or buried wiring to the remote switch, or the remote switch itself may be defective or worn out. Eliminate the condition, replace the buried cable, do without the remote switch, or consult the factory for other options. Replace the remote switch.