Igloo JMRGGP Series User manual

Pastry Display Cases

Models: JMRGGP series

JMRWGGP

JMRTGGP

Instruction Manual

Tel : 416-663-3051 Fax : 416-663-5793

Toll Free : 1-888-408-8819

124 Norfinch Dr. Toronto, ON. M3N 1X1

REFRIGERATION LTD.



REFRIGERATION LTD

PastryDisplayCases

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%QPVGPVU

Contents.................................................................................................................................................................2

1UNLOADING........................................................................................................................................................3

2PROPERTIESOFTHEUNIT....................................................................................................................................3

2.1.Purpose........................................................................................................................................................3

2.2.Descriptionoftheunit.................................................................................................................................3

2.3.Technicaldata..............................................................................................................................................4

3.PREPARINGTHEDEVICEFORSTARTUP...............................................................................................................4

3.1.Installationrequirements.............................................................................................................................5

3.2.UnitLocation...............................................................................................................................................

5

3.3.ConnectionandstartͲup...............................................................................................................................5

4.UNITSTARTUP..................................................................................................................................................7

4.1.Temperatureregulation...............................................................................................................................8

5.MAINTENANCE.................................................................................................................................................11

5.1Cleaningandmaintenance..........................................................................................................................12

6.SERVICE............................................................................................................................................................13

6.1.Faultsidentificationandrepair..................................................................................................................13

6.2Service........................................................................................................................................................14



.KUVQH(KIWTGU

Figure1“JMR_GGP”Overview...............................................................................................................................4

Figure2Levelinglegs..............................................................................................................................................5

Figure3Hookheightregulation..............................................................................................................................6

Figure4Condensatecontainer...............................................................................................................................6

Figure5Controlpanel............................................................................................................................................7

Figure7“Carel”themostatcontrolpanel................................................................................................................8

Figure8Disassemblyofthefrontglassontopdisplayunit...................................................................................12

Figure10Cleaningthecondenser.........................................................................................................................12

.KUVQH6CDNGU

Table1Technicaldata............................................................................................................................................4

Table2Tableofalarmsandsignals.........................................................................................................................9

Table3TableofeasycompactparametersformodelJMRTGGP&JMRGGP.........................................................10

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70.1#&+0)

Theunitshouldbetransportedintheverticalpositionandproperlysecuredandpacked.

2412'46+'51(6*'70+6   

2WTRQUG

“JMRTGGPandJMRWGGP”Dualservicerefrigeratedopendisplaymerchandisersareuniversalcoolingdevices

aimedtodisplaydeli,bakery,coffeeshop,andmarketmerchandise.ItsglassͲenclosedtopisperfectforholding

desserts,bagelsandbreads,whileitslowerselfͲservicebinisidealforgrabͲandͲgoitemslikebeveragesin

temperaturebetween+1ºCand+4ºCwithambienttemperaturebetween+15ºCand+25ºCandrelativeair

humidityupto60%,dependingontheenvironmentoftheunitlocation.

&GUETKRVKQPQHVJGWPKV 

“JMRTGGP”and“JMRWGGP”displaycaseshavedynamiccoolingandindependenttemperaturecontrolfortop

andbottom.Theunitsareequippedwithautomaticcondensateevaporationandautomaticdefrosting.

Thedisplaypartsoftheunitareglassshelvesontheinnerframeandbottomshelvesmadeofstainlesssteel.

Ourequipmentismanufacturedinaccordancetomoderntechnologiesandhasallcertificatesrequiredbylaw.



Thedescriptioninthisboxsignifiesimportantinformationforusersecurityandfor

properoperationofthedevice.



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Figure1“JMRTGGP”Overview

1–LEDlamp

2–Displayglassshelf

3–Openablefrontglassontopdisplayunit

4–BottomstainlesssteeldisplayshelfCurved,

5–Nightcurtain

6–Mirrorfinishedside

7–Frontlowglass

8–Nightcurtainhook

9–Levelinglegs

10–Compressor

11–Slidingdoor

12–Serialplate

13–Controlpanel(thermostat,switches)

14–Condensercover(DONOTBLOCKairlouver!!!)

6GEJPKECNFCVC

Table1Technicaldata

ModelVoltage[V/Hz/Ph]RatedCurrent[A]Maxglassshelf

load[lbs/kg]

Weight

[lbs/kg]

JMRTGGP4/JMRWGGP4*115/60/116(max.fuse:20)22/10309/140

*JMRWGGP4:Woodenfinishedunit,Curvedbase.JMRTGGP4:Paintedenamelfinishedunit,Straightbase

24'2#4+0)6*'&'8+%'(1456#4672

Theunitmustbeproperlyinstalledandlocatedinaccordancewiththeinstallation

instructionsbeforeitisused.

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

+PUVCNNCVKQPTGSWKTGOGPVU

x Alwaysuseadedicatedcircuitwiththeamperagestatedontheunit.

x Plugintoanoutletdesignedfortheplug.

x Donotoverloadthecircuit.

x Donotuseextensioncords.

x Neveruseadapters.

x Neverpluginmorethanoneunitperelectriccircuit.

x Ifindoubt,callanelectrician.



IGLOOwillnotwarrantyanyequipmentthatisconnectedtoanextensioncordoran

adapterplug.



Theequipmentmaybeturnedonafterconfirmationofthefireprotectionefficiency

withresultsofmeasuresperformedaccordingtobindingregulations!



7PKV.QECVKQP

x Installtheunitonastrongandleveledsurface.

x Toensureproperoperationtheunitmustbeleveledfromfronttobackandlefttoright.

x Unitmaymalfunctionifimproperlyleveled.

x Besurethereissufficientventilationaroundtheentireunit.

x Selectalocationawayfromheatandmoisturegeneratingequipment.

x Avoidinstallationinahighambientorhumidlocation.

x Highambienttemperatureswillcausethecompressortooverwork.

x Humiditymaycauserust,condensationaroundglassorstainlesssteelanddecreasetheefficiencyofthe

unit.

%QPPGEVKQPCPFUVCTVWR

x Removecardboardanglesandprotectivefoil.

x Placetheunitonanevenandhardbase.Thenleveltheunitwiththeleveling

legs.(Figure2)



x Theequipmentshouldbecleanedrightafterunpackingandbeforeturningiton.Theunitshouldbecleaned

withwarmwaternotexceeding40°Cwithaneutraldetergent.Forwashingandcleaningtheequipment,it

Figure2Levelinglegs

A–Screwtheleginnuts

ŶNEMAPlugs

IGLOOrefrigerationusesthistypeofplugonthisunit.If

youdonothavetherightoutlethaveacertified

electricianinstallthecorrectpowersource.

115/60/1

NEMAͲ5Ͳ20R

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isprohibitedtouseproductscontainingchlorineandsodiumvarieties,whichdestroytheprotectivelayer

andcomponentsoftheequipment!Anyresidueofadhesivesorsiliconeonmetalelementsshouldbe

removedonlywithextractionnaphtha(notapplicabletoitemsmadeofplastic).Donotuseotherorganic

solvents.

Whencleaningtheunit,donotusewaterjet.Theunitshouldbecleanedwithamoist

cloth.



Afterinstallationoftheequipmentatthedestinationlocationitshouldbelefttorest

foratleast2hoursbeforeturningiton(fordeviceswithbuiltͲincompressor)toset

thelevelofrefrigerantinordertopreventproblemswiththestartup.

WARNING:Keepthecoolingcircuitfromdamage!

x Turnonthemainswitch.(Figure6/1)

x ThetemperatureonthethermostatcontrolpanelisPREͲSET.(Figure6/3)

x Turnonthelightswitch.(Figure6/2)

Figure4Condensatecontainer

1–Condensatecontainer(emptythecondensate!!!)

Figure3Hookheightregulation

1–Hook

2–Protectivepipecoveringlampcord

3–PVCprofilehidingtheverticalframepost

1

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

1 2 3

5 6 4

70+656#4672



TheTemperatureofthecooledspaceandaggregateoperatingcyclemayfluctuate.Thisdependsonnumerous

factors,suchastheamountandtemperatureofproductsplacedinthedeviceandtemperatureofthe

surroundings.TheequipmentshouldbeplacedinadryandwellͲventilatedarea,ensuringproperairexchange

(distancebetweenthewallandtheequipment–min.10cm),outofsunlight,keptfarfromheatsourcesanddevices

enforcingairflow(ceilingandportableventilators,blowͲinheaters).Theequipmentfunctionsproperlyinaroom,

wheretemperaturefallswithinappropriateclimaticclass.Theoperationoftheequipmentmayworsenwhen

operatesoutsidethestatedtemperaturerange.





Remarksandindications

x Thedisplaycasehastobeproperlylevelled,whichwillpreventnoisycorkingof

theequipmentandshallensureproperwater(condensate)outflowduring

defrosting.

x Aftertransportingtheequipment,waitabout2hoursbeforestartinguptheunit.

x Toensureproperconditionsforthestoredproducts,donotloadtheshelves

completely.Ensureevenloadofshelvesandnottoexceedthemaximumload.

x Thefirstfillingofshelvesshouldbeperformedaftertheunithadreachedthe

desiredcoolingtemperature.Thisprincipleshouldalsobeobservedafteralong

pauseintheoperation.

x Donotblockanyventilationholes,whichwouldhamperthecirculationofthe

cooledair.Itisalsonecessarytoensureproperairflowaroundtheequipment.

x Keepthecondenserclean.Impuritiesmayleadtooverheatingofthecompressor

andmayresultindamage,whichisnotcoveredbythewarranty.

Figure5Controlpanel

1–Mainswitch(turnson/offtheunit)fortopunit

2–Lightswitchfortopunit

3–Thermostatfortopunit(temperatureregulator)

panel(ServicedetailsinChapter4)

4–Mainswitch(turnson/offtheunit)forbottomunit

5–Lightswitchforbottomunit

6–Thermostatforbottomunit

(Temperatureregulator)panel(Servicedetailsin

Chapter4)

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x Donotuseelectricdevicesinsidetheproductstoringchamber.

x Avoidunnecessaryopeningofthedoorsandleavingthemopenforalonger

periodoftime.

6GORGTCVWTGTGIWNCVKQP



Thethermostatistoobtainthesettemperaturewithintheequipmentandmaintainitwithinthedetermined

temperatureranges.Themanufacturerentersallsettingsoftemperatureregulatorsrequiredfornormal

functioningoftheequipment.Beforeprimaryactuationtheusershouldcontrolandpossiblysettherequired

temperatureinsidetheequipmentonthecontrolpanel.



Digitaldisplay–displaysthecurrenttemperatureinsidetheequipment.

Itisforbiddentointerferewithsystemicparametersofthethermostat,asthiscan

leadtoseriousconsequences,includingdamagestothecoolingunit!



WHATDODIODESONCONTROLPANELSIGNIFY

Diode1ͲCompressor:Thissymbolisvisiblewhenthecompressorisworking.Itblinkswhencompressoractuation

isdelayedbysecurityprocedure.Itblinksinthefollowingcycle:twoblinks–pause,whentheconstant

workingmodeisactivated.

Diode2ͲVentilator:Thissymbolisvisiblewhenevaporatorventilatorsareturnedon.Itblinkswhentheactuation

oftheventilatorsisdelayedbyexternaldisengagementorwhenanotherprocedureisinprogress.

Diode3ͲDefrosting:Thissymbolisvisiblewhenthedefrostingfunctionisactivated.Itblinkswhentheactuationis

delayedbyexternaldisengagementorwhenanotherprocedureisinprogress.

Diode4ͲAlarm:Thissymbolisvisiblewhenthealarmisactivated.

Diode5ͲCurrenttemperatureinsidetheequipmentisdisplayed(decimalplacesdisplayedafterthecomma).

Figure6“Carel”thermostatcontrolpanel



QuickFinder for CAREL

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Diode6–On/OffSwitch:Pressingthisbuttonalone:formorethan3sec.switchOn/Off,Pressingwithother

buttons:pressedtogetherwith8activities/deactivatesthecontinuouscycle.



Diode7–Set/Mute:Pressingthisbuttonalone:1sec.displays/setsthesetpoint,morethan3sec.accessesthe

parametersettingmenu(enterpassword22),mutestheaudiblealarm(buzzer),StartUp:holdtheset/mutebutton

for1sec.RESETcurrentEYset/Pressedtogether(7and8)activateparameterresetprocedure.



Diode8–Defrost:Pressingthisbuttonalone:morethan3sec.activates/deactivatesthedefrost.Pressingwith

otherbuttons:pressedtogetherwith6activates/deactivatesthecontinuouscycle,StartUp:holdfor1sec.displays

firmwareversion.



SETTINGTHEDESIREDTEMPERATURE

ͲPressthesetbutton for1secondleadingvalueshallbedisplayedonthescreen

ͲIncreaseordecreasetheleadingvaluebymeansofand,untilthedesiredvalueshallbeobtained;

ͲPressthesetbutton onceagaininordertoconfirmthenewvalueofthesettingpoint.



MANUALINPUTOFTHEDEFROSTINGCYCLE

Defrostingshallbereleasedinanautomaticmode.Itispossibletoforcedefrostingatanymomentbypressingand

holdingthe defrostswitchforminimum5seconds.

Table2Tableofalarmsandsignals

alarmcodebuzzerandalarm

relayLEDalarmdescriptionreset

E0activeONprobe1error=controlautomatic

E1activeONprobe2error=defrostautomatic

E2activeONprobe3error=

condenser/productautomatic

EEactiveONunitparametererrornotpossible

EFactiveONoperatingparametererrormanual

Ed

not

activeON

defrostended

bytimeoutOnfirstdefrostendedcorrectly

CHtactiveONdirtycondenseralarmmanual



MODIFYINGTHEPARAMETERS

Parameternavigation

Theoperatingparameters,modifiableusingthekeypad,aredividedintotwotypes:frequent(typeF)and

configuration(typeC).Accesstothelatterisprotectedbypassword(default=22)topreventaccidentalor

unauthorizedmodifications.

AccessingthetypeFparameters:

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ͲPresstheSETbuttonformorethan3s(ifthereareactivealarms,mutethebuzzers).Thedisplayshowsthe

parametercode‘PS’(password);

ͲUsetheUPandDOWNbuttonstoscrolltheparameters.TheLEDcorrespondingtothecategoryofparameterswill

beon;

ͲPressSETtodisplaythevalueassociatedwiththeparameter

ͲIncreaseordecreasethevalueusingtheUPorDOWNbuttonrespectively;

ͲPressSETtotemporarilysavethenewvalueanddisplaytheparameteragain;

ͲRepeattheprocedureforanyotherparametersthatneedtobemodified;

ͲPresstheSETbuttonformorethan3stopermanentlysavetheparametersandexittheparametersetting

procedure.

Table3TableofeasycompactparametersformodelJMRTGGP

Par.DescriptionDef.UOM.MinMax

Stsetpoint2.0°Cr1r2

PSpassword22Ͳ 099

/2probemeasurementstability4Ͳ 115

/4selectprobedisplayed1Ͳ 13

/5select°C/°F0Ͳ0(°C)1(°F)

/6disabledecimalpoint0Ͳ 01

/C1probe1offset0.0°CͲ50.050.0

/C2probe2offset0.0°C Ͳ50.050.0

/C3probe3offset0.0°CͲ50.050.0

rdcontroldifferential3.0°C019.0

r1minimumsetpointvalue0.0°CͲ50.0r2

r2maximumsetpointvalue15.0°Cr199

r3selectdirect/reverseoperation0Ͳ 02

r4nightͲtimesetpointdelta3.0°C Ͳ5050

c0compressorandfanstartdelayonpowerͲup1min0100

c1minimumtimebetweenconsecutivecompressorstarts3min0100

c2minimumcompressorofftime0min0100

c3minimumcompressorontime2min0100

c4compressorontimewithdutysetting50min0100

cccontinuouscycleduration22015

c6temperaturealarmbypassaftercontinuouscycle2h015

d0typeofdefrost0Ͳ 04

dIintervalbetweendefrosts6h0199

dtenddefrosttemperaturesetpoint12.0°C Ͳ50130

dPmaximumdefrostduration30min1199

d4defrostwhenswitchingtheinstrumenton0Ͳ 01

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

d5

defrostdelayonpowerͲuporwhenenabledbydigitalinput

0min0199

d6freezecontroltemperaturedisplayduringdefrost1Ͳ 01

dddrippingtime2min015

d8alarmbypasstimeafterdefrost2h015

d9defrostpriorityovercompressorprotectors0Ͳ 01

d/defrostprobereading(2)Ͳ °CͲ Ͳ

dCtimebase0Ͳ 01

A0alarmandfantemperaturedifferential2.0°C Ͳ20+20

ALabsolute/relativetemperatureforlowtemperaturealarm0.0°CͲ50+99

AHabsolute/relativetemperatureforhightemperaturealarm0.0°C Ͳ50+99

Adtemperaturealarmdelay0min0199

A43rdinputconfiguration0Ͳ 011

A7digitalinputalarmdelay0min0199

A8enablealarm“Ed”(enddefrostbytimeout)0Ͳ 01

ACsetpointdirtycondenseralarm60°CͲ50250

AEdirtycondenseralarmdifferentialtemperature3.0°C0.120

Acddirtycondenseralarmdelay0min0250

F0enableevaporatorfancontrol0Ͳ 01

F1evaporatorfancontrolsetpoint5.0°CͲ50130

F2stopevaporatorfanifcompressoroff0Ͳ 01

F3evaporatorfanstatusduringdefrost0Ͳ 01

FdpostͲdrippingtime2.0min015

H0serialaddress1Ͳ 0207

H1AUXoutputconfiguration0Ͳ 02

H2enablekeypad1Ͳ 02

H4disablebuzzer0  01

H5IDcode(readͲonly)0Ͳ 1+199

EZYrestoretheDefaultsettings0001

/#+06'0#0%'

Donotusesteelwool,abrasivecleaners,bleachorcleanerscontainingchlorineorsodiumtocleantheunit.

DonotuseapressurewasherorwaterͲjettocleantheunit.

Theunitshouldbecleanedrightafterunpackingandbeforeturningiton.

Theunitshouldbecleanedwithwarmwaterandamildsoap.

Makesuretocoverthefanmotortopreventmoisturedamage.

Doorgaskets,shelvesandsupportsshouldbecleanedonaregularbasis.

Fanbladesandguardsshouldbecleanedwithasoftcloth.



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

%NGCPKPICPFOCKPVGPCPEG

x Allmaintenanceserviceneedstobeperformedafterdisconnectingtheunitfrom

thepowersupply!

x Protectelectricalcomponentsagainstanydamageorwaterspillage.

x Donotusewaterstreamtocleantheequipment,onlyamoistcloth.

x Donotuseanysharpobjectstoremovedirt!

x Whencleaninginsidetheunit,donotleavethefrontglasspanelopeninthe

aluminumprofile.Thismaycausedamagetotheglassandisnotcoveredbythe

warranty.Pleaseremovetheglasswithprofileduringcleaning.(Figure8)



Whenusingthedisplaycase,aswellasduringmaintenanceworks,payattentionnot

todamagethetemperaturesensorintheevaporatorscreen!

Donotusemechanicalagentstoquickenthedefrostingprocess!

Itisrecommendedtomakeabreakintheoperationonceamonthinordertocleantheinterior,naturallydefrost

theevaporatorandcleanthecondenser.





Figure8Cleaningthecondenser

Figure7Disassemblyofthefrontglassontopdisplayunit

1–Frontglass

2–Upperaluminumprofile(liftedguide)oftheglass

3–Loweraluminumprofile(hinge)oftheglass

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Itisessentialtokeepthecondenserofthedeviceclean.Dirtmayhindertheheatexchange,causingmainlyan

increaseinelectricenergyconsumptionandmaycausedamagestothecompressor.Inordertocleanthe

condenseritisnecessarytounscrewthesheetmetalscrewsandpullthewindbraceoutofcatchbyliftingitup.

Cleancondenserlamellaswithhelpofsoftbrushorpaintbrush.Ifthecondenserisextremelydirty(blockingof

lamellas)itisindicatedtousevacuumcleanerorcompressednitrogentosuck/blowthedirtfrombetween

lamellas.



Thesellershallnotbeheldresponsiblefordamagesofthecondenserunitresulting

fromnonͲobservanceofcondensercleaninginstructions.



Elementsofequipmentcancorrodeasresultofimproperuseandmaintenance.To

preventdamage:Donotallowcontactofthewithsubstancescontainingchlorineand/

orbakingsodaindifferentvarieties,whichdestroytheprotectivelayerandcomponents

oftheequipment(alsoincludesvariousstainlesssteelcleaners)

5'48+%'

(CWNVUKFGPVKHKECVKQPCPFTGRCKT

Incaseofanydifficultiesduringactuationoftheequipmentorduringitsoperation,pleasereturntothischapterin

thismanual,whichwillexplaintheperformedoperation.Thisaimstoensuretheequipmentisproperlyoperated.If

youstillexperiencedifficulties,thefollowingmighthelpyousolvetheproblem.



Theequipmentisnotworking...–Makesurethat:

•Theequipmentisconnectedtothepowersupply.

•Voltageandfrequencyarecompliantwiththoserecommendedbythemanufacturer,115V/60Hz.

•Themainswitchisturnedon.

•Thermostatisturnedon.



Theequipmentisoperating,butthelightisoff...–Makesurethat:

•Lightswitchisturnedon.

•Lamp,startingswitch,orpowersupplyoftheunitisnotburnt.



Waterleakagefromunderthedevice

•Checkwhethertheequipmentisproperlylevelled.

•Emptythecondensatecontainer.



Theequipmentdoesnotreachthepropertemperature,thelightison...–Makesurethat:

•Themainswitchison.



REFRIGERATION LTD

PastryDisplayCases

|www.igloorefrigeration.com



•Temperaturesettingonthethermostatisproperlyset.

•Thermostatworksproperly.

•Thecondenserisclean,ifnecessary–cleanthecondenser.

•Ambienttemperaturedoesnotexceed25ºC,whenthehumidityismorethen60%.

•Enoughtimehaspassedforproductstobecooled.

•Ventilationholesarenotblocked.



Theequipmentisworkingtooloud...–Makesurethat:

•Theunitisstandingstablyandisproperlylevelled.

•FurnitureadjoiningtheequipmentdoesnotvibratewhenselfͲcontainedcompressorisworking.



Noisesmadebytheoperatingdeviceisanormalphenomenon.Theunitsare

equippedwithventilators,enginesandcompressors,whichturnonandoff

automatically.Eachcompressormakescertainnoiseswhenoperating.Thesesounds

aremadebytheaggregateengineandbycoolingagentflowingthroughthecircuit.

Thisphenomenonconstitutesatechnicalfeatureofcoolingdevicesanddoesnot

signifyequipmentfailure.



Steamprecipitationontheglassisanormalphenomenonintheeventofhigh

relativeairhumidityexceeding60%anddoesnotrequirecallingforservice.

5GTXKEG

IGLOORefrigerationservice

Telephonenumber:416Ͳ663Ͳ3051or(tollfree)1Ͳ888Ͳ408Ͳ8819

EͲmail:[email protected]



Ifaftercheckingpointsdescribedinchapter6.1“Faultsidentificationandrepair”andtheunitstilldoesnotwork

properly,

PleasecontactTechnicalService@IGLOORefrigeration.

Tel : 416-663-3051

Toll Free : 1-888-408-8819

Fax : 416-663-5793

124 Norfinch Dr. Toronto, ON. M3N 1X1

Igloo JMRGGP Series User manual

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