Reznor Kronos GA11 User manual

17040952—ENG
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INSTALLATIONINSTRUCTIONS
OPTION952:ThermostatKronosGA11

DESCRIPTION
TheKronosGA11isaweeklyprogrammingdigitalchronothermostat
usedfortheremotecontroloftheULSAgas‐firedairheaters.

ATTENTION:Beforeturningon,checkthecables(incorrectwiring
maydamagethethermostatandcompromisesafety.
Connectanddisconnectthecontrolsytemonlyinabsenceofvoltage.
Avoidexposingtodrippingwater.



GENERALFEATURES

‐GraphicLCDdisplay(128x64px)
‐Backlighttimer20seconds
‐LEDfordiagnostics/signaling
‐7variabelefunctionkeys
‐Weeklyprogramming
‐4 temperature levels (T0, T1, T2 &
T3)
‐Resolution(0.5°Ctemperatureset)
‐Resolution(0.1°Ctemperatureread)
‐Minimum interval programming:
15’‘
‐SELVinsulation(SafetyExtraLow
Voltage)
‐Bi‐polarconnection,non‐polarized


TECHNICALDATA
‐Operatingtemperature:0°C+50°C
‐Humidity:95%maximumat40°C
‐Powersypply:lowvoltage(3V)(viacommunicationwithcontrolboardoftheairheater)
‐Protectiondegree:IP30
‐Dimensions:140x90x32mm
‐Compliance:directive2004/108/CE(EMC)/directive2006/95/CE(LVD)


INSTRUCTIONSFORUSE
Thebuttonshaveanyversatileutilizationdependingontheselectedmenu.Theuseofbuttonsisfacilitatedbythe
indicationswithtext,iconsandothergraphicsthatappearonthedisplay.

Theverticalbuttonsontheleft:usedtonavigatethesetupmenuortoselecttheparameters
Theverticalbuttonsontheright:usedtovarytemperatureandfunctionincrease/decrease(+/‐)
Thehorizontalbuttonsatthebottom:usedtoconfirmorcancelthesettingsortoenter/exitthesubmenus
Thecenterbutton:usedforspecialfunctions(e.g.unlockheater)

UnderthecenterbuttonthereisaLEDgivingfollowinginformation:
‐ContinuousredLED:errorornocommunicationwiththeheater
‐IntermittentredLED:lockoutheater
‐IntermittentyellowLED:anomaly
‐ContinuousgreenLED:chronothermostatisresumingworkafterpowerfailure

®
Figure 1

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Starting... Thermostatisintheprocessofconnectiontotheheater
Ambientprobeerror Roomtemperaturesensorthermostatdamaged
FaultcodeXXX Thereisananomalyoralockoutontheheaters–codeXXX
Comm.error Thereisacommunicationerrorbetweenthermostatandheater
ErrorIDXX Faultyinterpretationofinformationsentbyheatertothethermostat

Themostfrequentlyusedfunctionsbytheuserareavailableinthemainmenu.Itispossibletoquicklybrowse
throughthepages.

Thefirsttimeorafterareset,thelanguagemenuappearsonthedisplay.
BypushingOKyouconfirmtheselection.
ThroughtheSETTINGMENUthischoicecanstillbechangedlater.


Thenthecurrenttimecanbeentered.
Thebuttonsontheleftallowyoutoselectthemenu–thebuttonsonthe
rightallowyoutochangethevalues.
PushtheOKbuttontovalidate.TheESCbuttonallowsyoutocontinue
withoutmakingchangestothetimesettings.



MAINSCREEN
Followingitemsareshownonthemainscreen:
‐thedayoftheweek(intermittentifnotupdated)
‐thecurrenttime(intermittentifnotupdated)
‐thetemperaturemeasured(measurementevery10sec)
‐aniconindicatingthefunctionoftheactivethermoregulation
(automatic,manual,summerorstandby)

Automatic Temperaturecontrolenvironment
accordingtotheweeklyprogram
setbytheuser.Programseenasa
graphofthecurrentday.
Manual Temperaturecontrolenvironmentin
accordancewithuser‐selectedtemperature
(thermostatfunction)
Summer Temperaturecontrolenvironment
disable.Summerventilationcanbe
activatedmanually.
Standby Temperaturecontrolenvironmentdisable.
(nofrostprotection)

Inautomaticmode,thechronothermostatperformsthetemperaturecontrolprogramassetforthecurrentday.The
graphisvisibleatthebottomofthedisplay.Thegraphisdividedintotimeintervalsof15minutes,correspondingtoa
pixelhorizontallyandappearinginthefourprogrammabletemperaturelevels.

Neartheiconoftheoperationmode,othericonsmayappear,meaningfollowing.
Indicatesthatheateristurnedon(thesizeofthesymboldependsonthemodulationleveloftheflame
Lockoutoftheheater
Fault
? Connectioniconsymbol(ifnoiconappears)
(P.S:ifheaterisinstandbymodeandhasnoproblem,noiconwillappear)

Inaddition,under
theroomtemperature
indication,atextmay
beshownproviding
someinformationas
shownnext


Remark:pleaseconsultthethermoregulationdocumentationfordetaileddescriptionofthefaultcodes.
ITALIANO
FRANCAIS
ENGLISH
NEDERLANDS
DEUTSCH

17040952—ENG
3/12

MANUALMODE‐Thebuttonsontherightmarked
with+and‐,allowtovarythetemperatures
requiredfortheautomaticprogram(T0,T1,T2,
T3).Inmanualmodetheyallowtovarytheset
pointroomtemperature.Bypushingthebuttons
ontheleft,markedwitharrows,youcanbrowse
thepagesoffirstlevelmenu.
Whenpushingthebuttonfollowingscreen
appears.







Pushingthebuttons+and–allowstovarythe
temperature.Activatethemanualmodebypushing
theOKbutton.

SUMMERMODE‐Pushingthebuttonagain
activates
the
summer
mode.







Themanagementofthechronothermostatbythe
userismuchtsimplified.Thefunctionsrelatedto
theheaterandthefunctionsrelatedtothe
thermoregulatinarenotdistinct.

Ifyouselectthesummermode,youcanactivate
summerventilationbythefunctionkey(Vent)–
when
activated,
akey
mark
become
(V.OFF)
anditis
possible
tostopthisfunctionbyusingthesamekey.
ConstantventilationTSPP06
eg: T1=20°C,P06=20°C,To=16°C
duringT1period
 T1=P06  cont.vent
duringToperiod
 To  P06  nocont.vent

STANDBYMODE‐Pushingthebuttonagain,the
standby
menu
appears

Thestandbymodeallowsyoutoturnoffthe
system(temperaturecontrolenvironment&
ventilationaredisabled).

Thefirstlevelmenuiscircularmeaningthatall
screensareaccessiblebypushingthe

OVERTIMEMODE‐Continuingandpushingthe
button▼again,youcanchoosetoactivatethe
operatingmode"Overtime".
Inoperating
mode
“Overtime”,
theroom
thermoregul
ation
followsa
temperature
foradurationsetbytheuser.
Thedurationofonestepis15minutes,the
maximumperiodis240minutes.

Pushingthe+/‐buttonsyoucansetthe
temperatureandthenafterpushingOKbuttonyou
areaskedtosetthetimeasshownbelow.
Concludedthetimedurationoftheoperatingmode
"Overtime" the chronothermostat is positioned in
the operating
mode
"Automatic".
The
operating
mode
"Overtime" is
usefulwhenyouwantto stoptheoperationmode
"Automatic" forcing function thermostatic
(overtime)foraspecifiedperiod.

Thefirstlevelmenuiscircular,allthescreens
describedaboveareaccessiblebypushingthe
reversebutton▲.

SETTINGMENU‐Pushingagainbutton
activatesthesubmenuSETTINGMENU.
Thismenusetsthecalendar,themodeofthermo‐
regulation
anda
weekly
schedule
(more
detailsare
givenina
separateparagraphbelow).



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MAXIMUMPOWER‐Bypushingthebutton
againyou
enterthe
menufor
setting
maximum
power.
Hereitis
possibleto
limitthepowerlevelrequiredforheatingthe
environment.
Moredetailsaregiveninthesection‘Thermo‐
regulation’.


PARAMETERSMENU‐Pushingthebutton
again,entersthesubmenuPARAMETERS
MENU.
The
parameters
menu
allowsyou
toseethe
parameters
oftheairheatersandpermitsyoutomanage
advancedfunctions.

HEATINGMODE‐Ifyoupress,thecontrol
panelofthe
heating
system
appears




Thefirstrowdisplaystheiconillustratingthe
statusofthermoregulationandtheheatersandthe
numberofheatersorslavesconnected.
Thesecondrowgivesadditionalinformationabout
thestatusofheatersoranomalies.Thethirdline,if
available,showsthevalueofoutdoortemperature
orerrorsrelatedtothermoregulationenvironment.

Thismenuhasafixedframe.Theoptions
previouslyseenremaindisplayedfor20seconds,
thenthedisplayreturnstothemainscreen.Inthis
optionhoweveriftheuserdoesnotpushESCor
thebuttons,thechronothermostatcontinues
toshowthecontrolpanelwiththerelevant
information.

AUTOMATIC
MODE‐By
pressingthe
button
again,you
returntothe
firstoption.
Incasetheautomaticmodeisalreadyactive,it
doesnoetmatterwhetheryoupushNOorOK.

SETTINGMENU

 Programming
Thissubmenu
allowsyouto
manage
temperature
control
environment,
weeklyprogram,timesettingandlanguagechoice.

Selectingtheoption‘Programming’youenterthe
weeklyprogram
submenu.

Choosingthe
option
‘Temperature’
youenterinthe
menuofthe4
temperaturelevelsT0,T1,T2&T3.

Pushthebuttonsandtoselectthetemperature
level–tovarythetemperaturevalueusethe
buttons+and‐.

Therightsideofthescreenshowstherelative
positionofthecurrenttemperaturesetpointwith
respecttominimum(5°C)andmaximum(30°C)
values.
ThehighesttemperatureisassociatedwithT3and
thelowesttemperaturewithT0,thechrono‐
thermostatmeetsthefollowingconstraint:
T0T1T2T3andautomaticallyresizesthe
temperatures.

Choosingthe
option‘Day
program’it
takesyouto
following
screen:


Atthetopofthescreenyouselectthedayandat
thebottomofthescreenthedayprogramis
displayed.Pressingthe+and‐buttonsyoucan
selecttheday.

Forexample,
supposeyou
wantto
programthe
day"Monday",
pressingOK
buttonyou
enterthe
schedulingoftimeslots.
Thetimeslotsareprogrammedinthreesteps:
initialtime,temperatureandfinaltime.


17040952—ENG
5/12
Inthefirststepissetthestartingtimebypushing
the+and‐buttonsatintervalsofatleast15
minutesandyouconfirmbypushingOK.Ifyou
wanttoquittheprogrammingoftheselectedday,
pushESC.

Inthesecond
step,pushing
the◄and►
youselect
whichofthe
four
programmed
temperatureswillbeassociatedtothetimeslot.
PushOKtoconfirmorESCtoreturn

Inthethirdstep
youselectthe
endingtime.
Thefinaltime
cannotbeless
thantheinitial
time.

Thelastitemon
the
“Programming”
menuallowsyou
tocopythe
programdayto
anotherday.

Atthetopyouselectthesourcedayinthelower
youselectthedestinationday,Youcanalsocopya
programofthedayallweekandhavethesame
programeveryday,todothisselectastargetthe
"ALL".WhenyoupressOK,amessageconfirms
yourcopyoftheprogram.


 Timesetting
Allowsthe
adjustmentof
thecurrenttime
anddayofthe
week.
Pushingthe↓
and↑buttonsyouselecttheitemyouwantto
change,whilepushingthe+and‐buttonsyou
changethevalue.PushingtheOKbuttonconfirms
thechanges.


 Language
setting
Allowsto
selectthe
languageon
thechrono‐
thermostat.
Asseenabove
thissettingisrequiredwhenyoufirststartorafter
aresetofthechronothermostat.
 Heating
control
Thissubmenu
concernsthe
methodusedby
thechrono‐
thermostatforcontrollingroomtemperature.

Thismenuallowsyoutosetthedifferential,which
canvarybetween0.2ºCand5.0ºC(defaultvalue:
2.0ºC).disthethermaldifferential,Maxisthe
maximumrate,TiandTastandforrespectively
roomtemperaturesetandroomtemperature
measured.
TherequiredpercentagePiscalculatedasfollows:

ifTa≤Ti‐dthenP=Max
ifTi–d<Ta<TithenP=(Max/d)x(Ti–Ta)
ifTa≥TithenP=0

Example1:
Ti=20,0ºC
Max=100%
d=0,5ºC
IfTa≤19,5ºCthenP=100%;
If19,5ºC<Ta<20,0ºCthenP=(100/0,5)x(20–Ta)%
ifTa≥20ºCthenP=0.

Onthesamepageyoucanenterthehysteresis
value(asymmetric)inordertoavoidfrequent
restartheaters.Hysteresismayvaryinstepsof0.1
ºCbetween0.1ºCand50%ofthesetdifferential
value.

AfterreachingthesettemperatureTi,the
chronothermostatcontrolstheswitchingoffofthe
heaters,thefollowingrestartwilltakeplaceonlyif
thetemperaturefallsunderthesettemperature
decreasedhysteresis(Ti‐hysteresis).Thedefault
hysteresisis0.1ºC

Example2:
Ti=20,0ºC
Max=100%
d=0,9ºC
hysteresis=0,4ºC(hysteresiscanvarybetween0,1ºCe
diff/2=0,4ºC)
WhenTa≥20ºCthenP=0,andtheheatersareturnedoff.
ArestartoccursifTa≤(Ti–hysteresis)=19,6ºC;in
particularif19,1ºC<Ta≤19,6ºCthenP=(100/0,9)x(
20–Ta)%,
whileifTa≤19,1ºCthenP=100%.

Fromsoftwareversion1RZ005on,itispossibleto
setanOFFSETtemperaturebetween‐5.0°Cand
+5.0°C(defaut=0.0°C)
ITALIANO
FRANCAIS
ENGLISH
NEDERLANDS
DEUTSCH

17040952—ENG
6/12
PARAMETERSMENU

Thissubmenu
permitsthe
remote
managingof
theairheaters
(seealso
relevant
sectionatp9).
Bypushingtheupanddownbuttonsyouscroll
throughthevariousitems.


 Settings(password10):allowsyoutoviewand
setthepara‐
metersonthe
remote
system.By
pushingOK
youactivate
thefirstpage
ofreading
parameters.

Tochangeaparameter,youmustnavigatetothe
settingspagewithkeys↑and↓,andpushingthe
SETbuttonyoucanenterwiththe+and‐buttons
theselectedvaluebetweentheminimumand
maximum,showninbrackets.

 Reset:
thisitem
allowsyouto
usetheunlock
command.



Errorcodes:seepage9

Asshownintheabovepage,incaseaheateris
locked,itispossibletosendarequestforremote
reset.Sincethisisasafetyfunction,theunlocking
oftheheatercantakeplaceonlywiththeconsent
ofthesafetylogiccontrolboard.

SPECIALSETTINGS

 TSP(pos10)
Selectingthe
TSPoption,
youcan
operateon
Transparent
Slave
Parameter(TSP).

Thechronothermostatmakesavailablethe
functionofreadingandwritingofTSP.Tochangea
TSP,youmustselecttheindex"idx"desired,using
the↑and↓keys,andpushtheSETbutton.
Afterthat
following
screen
appears,
whereyou
canenter,
withthe+
and‐
buttons,thedesiredvalue.

Intheevent,thattheboarddoesnotincludethe
writingofthisTSP(readonly)thechangesmadetoit
willhavenoeffect.ThenumberofTSPdependson
thecontrolboardoftheslave(hotairgenerator),the
chronothermostatwillsupportamaximumof255.

 TSET
Thefourthoption,ofthe"MENUPARAMETERS",if
available,
allowsyouto
enterthe
temperature
Tset:



Refertothedocumentationofthecontrolboardto
understandthemeaningofTset.


Thelasttwoitemsofthe"MENUPARAMETERS"
areusefulfunctionsduringinstallationand
maintenanceofthecontrolsystem.

 OTMonitor:
Theitem"OT
monitor"is
dedicatedto
advanced
diagnostics
OpenTherm
communication,asitmakesvisiblethedata
exchangedbetweenchrothermostatandcontrol
boardandshowstheanalysisofthecommunication
madefromthechrothermostat(masterside).

Inparticular,nexttothedatashowsthefollowing
symbols:
‘●’correctdataexchange
'T'RXtimeouterror
'R'RXerror
'?'genericerror(unknow)
'P'parityerror
'E'syntaxerror


17040952—ENG
7/12
 Restart:
Thefunction
"Restart",servesto
reconfigurethe
chronothermostat
inthecasehas
beenmadean
intervention
hardwareorsoftwareinthecontrolboardofthe
generator.Activatethereconnectionisequivalentto
physicallydisconnectthecommunicationsconnector
fromthechronothermostatandthenreinsertit.


 OFFSET:Inthesubmenu"WriteSAOffset"youcan
set an offset value to give to the room temperature
setpointforeachslave.

This can be useful when the hot air generators are
installed in places colder or warmer than the point
where the chronothermostat is installed. It can be
usefulto overcomethe problems of stratificationof
theambienttemperature.
Thereare
showna
numberof
offsetsequalto
thenumberof
slaves
connectedup
toamaximumof10slaves.
Forexample,lookingattheimageaboveandoffsets
set,iftheroomtemperaturesetinoneofthe
followingoperatingmodesautomatic,manual,
overtimeis22°C,thentheslaveworkingsetpointis
forslave122°C+9°C=31°C,forslave2
22°C+5°C=27°Candsoon.
Weemphasizethatatcalculatethelevelofpowerin
relationtothesetroomtemperatureandmeasured
aretheelectroniccontrolunitsoftheslaves.

 Readslave:Thelastitem"ReadSlave"ofthe
"PARAMETERSMENU"youcanviewthepercentage
thevalueoftherespectivetemperatureprobeof
power,andtheLC1temperatureofhotair
generators.
You are shown a
number of rows
corresponding to
the number of
slaves connected
up to a maximum
of 10 slaves.
Inadditionpushingfromthemainscreen,
simultaneouslythe
buttons5and6
shownbelow,in
anyoperating
mode,evenwith
keylockouton,you
candisplaythe
"ReadSlave".
IfKronosGA11isconnectedtotheelectroniccontrol
unitREG_ROBinsteadoftotheelectroniccontrol
unit TC340, the information displayed in the "Read
Slave"varyasshownbelow.
In the "Read Slave" in this case is displays the operating
status and the probe value of their connected slaves.
Also are displayed a number of rows corresponding to
the number of slaves connected up to a maximum of 10
slaves.

SPECIFIC FUNCTION - KEYLOCK AND PASSWORD
To avoid that accidentally pushed buttons go to change
configuration settings, in one of four operating modes
except
mode
"overtime",
after 1
minute of
operation
without
having
pushing
any
button, you activate the keys lockout.
To proceed with unlocking a password is required. The
password to unlock the keys is 13.
Reset unlock is always enabled with the keys lockout
activated. So, you can send a reset to the control unit of
air generators without having to enter the password and
unlock the keys.


17040952—ENG
8/12
USEOFBATTERIES/BACKLIGHT

Thechronothermostatisprovidedwithaninternal
energystorewhichcancompensateforapowercut‐off
forafewhours;inthiswaytheuserwillnothavetoset
thecurrenttime,roomtemperaturesandweekprogram
again.However,theinternalenergystoreconsumption
timevariesdependingontheroomtemperatureand
humidity,aswellasontheageingofcomponents.In
orderfortheinternalenergystoretobefullyeffective,
thechronothermostatmusthavebeencorrectly
energizedforacoupleofdaysatleastwithout
interruption.Iffrequentand/orlongcut‐offsofthe
boilerpowersupplyareexpected,itispossibletoavoid
losingchronothermostatdatabyinstallingtwoalkaline
batteriestypeAAALR031,5Vintotheappropriateslot
onthefixingbase.Inthisway,theadditionalinternal
energystore,madebynewbatteries,enablesto
preservedataforaperiodevenlongerthanoneyear
undernopowersupplyconditions.Itisadvisablenotto
keepbatteriesinsidethechronothermostatforalong
timeduringnormaloperation(powersupplypresence)
topreventanybatteryliquidleakagefromdamagingthe
chronothermostatitself.Finally,pleasenotethat
KronosGA11doesnotprovideanyinformationabout
thepresenceofbatteriesortheirchargingstatus.
WARNINGSABOUTTHEBACKLIGHTThedisplay
backlightisobtainedfromthereservedescribedinthe
previousparagraph.Itispossible,therefore,thatincase
ofnewlyconnectedchronothermostatthebrightnessis
minimalorabsentbecauseofinsufficientinternal
charge:thismustnotalarmastheyarejustafewhours
ofconnection,becausethebacklighttobegintobe
efficient.Youcan,ifdesired,toremedythistemporary
lackofbacklightinginstallingalkalinebatteries,making
surethepolarityandfollowingtheinstructionsinthe
previousparagraph.

INSTALLATIONONTHEWALL

Firststep,removethecovercontainingtheelectronic
boardbypushingtheappropriatebuttonthatsays
"PUSH",locatedonthelowerunitandrotatingthecover
itselfup,untilitisfullyremoved,asshowninfigure2.
Forthefixingonthewallitispossibletousemanyholes
providedonthebottomofthebase,inthiscase,see
figure3.
Figure2
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Thenispossibletowirethecircuitboardunitusing
theappropriateterminal,regardlessofthepolarity
(thetwoconductorscanbeexchanged).Itis
recommendedtouseatwistedpaircable(example
H03RR‐FoH03VV‐F)sizebetween0,5mm2and2,5
mm2,thelengthshouldnotexceed50m(eg:GA11–
50m–unit1–50m–unit2–50m–unit3).The
resistanceofeachconductor,inanycase,shouldnot
exceed5ẇ.Inenvironmentswithelectromagnetic
interferenceitisrecommendedtouseashielded
twistedpaircable.
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Figure3:Fixingholes
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Figure4:Externaldimensions
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PARAMETERS‐overview
ParameterValueControlrange Default Unitofmeasurements
P03Mode/DT1_DT40…10 0 [‐/°C]
ON/OFFcontrol(setting=0),0‐10Vmode(setting=1)orductmode (valuesfrom2to10)

P04Cv_temperature0…30 0 [°C]
SettingCvtemperature:value =0=OFF;/valuebetween1and30=ON(constantventilationfunction)
Constantventilationifvalueoftemp.≠0°C(eg:value<20°→pasdevenl./value>20°C→vent.
P05Offset_EF_MAX0…50 0 [%]
Toreducemaximumspeedventermotor(factorysetting)
Example:
Max.speed=7200RPM
P05=25
Maxspeed=7200*(1‐0.25)=5400RPM
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P06Offset_EF_MIN0…200 0 [%]
Toincreaseminimumspeedventermotor(factorysetting)
Example:
Min.speed=1350RPM
P06=50
Min.speed=1350*(1+0.5)=2025RPM
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P070‐10Vthreshold0.5…5.0 1.0 [V]
Settingthresholdvaluefor0‐10Vsignal

P08Maxvoltagemain
fan(ECmotor)
1.0…10 5.9 [V]
Donotsetlowerthanstandardsetting
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P09Minvoltagemain
fan(ECmotor)
1.0…10 2.5 [V]

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
ERRORCODES

Description Solution
001…005
007…009
6 OpenTherm™resetdisabled Ifmorethan5resetattemptsin15minutesoccursfromOpenTherm™(GA11),devicecanonlybeunlo
c
10 Lockoutfornoignition After5ignitionattempslockout
11 Lockoutforsafetylimitthermostatintervention LockoutifLC3isopen(ts)
14 Lockoutfornoairduringprepurge(optionQ10,forRPMabsence)
ErrorfaultPWMsignlaventer‐badconnectionincablebetweenventerandboard(J11signal2‐
3‐4‐5)
‐brokenboard?
15 Lockoutforparasiteflame(optionK10) After10sofsperiousflameyougeterror15(lockout)
17 Lockout(thisvalueshouldoccurafterfirstpower‐on)
101 LockoutforwrongRPMsignalafterpre‐purgetime Ifventerspeedhasnotreachedtepresetspeedoristofaroutofbounds
19 APSopenedduringoperating Deltap(S3)isopen‐‐>mainfannotrunningafter±100safterheatcycle
20 UnexpectedRPMsignalonstart‐up
Venterisworkingevenwhenitisinoffstate
‐wiringproblem(J11signal2‐3‐4‐5)
‐J11signal4isbroken‐‐>badprint
‐canbebadventermotor(ventercanalsobeinthermallockoutwait1hourandtryagain)
27 SRopenedornotconnected(forcedpurge) LC1openornotconnected
60 Parasiteflame(forcedpurge) Speriousflameatstart‐upyoudon'tgetlockoutonlyifthisstaysfor10sthiswillchangetoerror15
81 Internalcommunicationfault Badprintshouldbereturnedtomanufacturer
82 LC1shortcircuit ledisorange(removepowersupply,fixthelc1,supplypoweragain)
87 Switch‐OffTemperatureThresholdexceeded LC1hasreacheditssetpoint,errorisgonewhentempisagainunderthisvalue
88 Resistorformenuselection(J19)notconnected/shortcircuited Theresistorneedstobeplacedontheprintatfirstpowerup
Thisistochoosethecorrectsetup(ledisorange)
29 internalhardwareerror Returntomanufacturer
22 specialsoftware"optionq60.hex":code22isnoerrorcodebutareportingcode(wait)indicatingthatventermotorisnotactiveandthatunitonlywillrestartatrestartofv
e
Internalfault Contacttechnicaldepartment
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5differentmethodstocontrolunit

Option 1: standard
Control via 0-10V signal (to be installed by customer) or through digital thermostat GA11
Option 2: On/off function (0 or 100%) (factory set)
Individual on/off control
OP 954 has to be clicked on the order form
Option 3: (no additional setting required)
1 GA11 for 4 units (no extra sensors on units)
Control through set point + room temperature by GA11
Option 4: (no additional setting required)
1 GA11 for 4 units
unit 1 : no additional sensor
unit 2 : additional sensor
unit 3: no additional sensor
unit 4 : no additional sensor
unit 1 control through set point + room temperature by GA11
unit 2 control through set point GA11 and room temperature (SA) = temperature sensor
unit 3 control through set point + room temperature by GA11
unit 4 control through set point+ room temperature by GA11
Example:
Set point GA11 = 25°C
Room temperature GA11 = 24°C
SA unit 2 = 23°C
diff = 2°C
unit 1 is working at 50%
unit 2 is working at 100%
unit 3 is working at 50%
unit 4 is working at 50%

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Option 5: (no additional setting required)
1 GA11 for 4 units
unit 1 additional sensor
unit 2 additional sensor
unit 3 additional sensor
unit 4 additional sensor
unit 1 controlled through setpoint GA11 and room temperature (SA) = temperature sensor
unit 2 controlled through setpoint GA11 and room temperature (SA) = temperature sensor
unit 3 controlled through setpoint GA11 and room temperature (SA) = temperature sensor
unit 4 controlled through setpoint GA11 and room temperature (SA) = temperature sensor
Example:
Setpoint GA11 = 25°C
Room temperature GA11 = 24°C (is van geen belang)
SA unit 1 = 23°C
SA unit 2 = 25°C
SA unit 3 = 23.5
SA unit 4 = 22°C
diff = 2°C
unit 1 is working at 100%
unit 2 is working at 0%
unit 3 is working at 75%
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Subjecttomodifications
NORTEK GLOBAL HVAC Belgium
J&M Sabbestraat 130/A000
B 8930 Menen
Tel. [phone]
www.reznor.eu