True Manufacturing Company TUC-27FG User manual

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TABLE OF CONTENTS
Safety Information
Safety Precautions 1
Proper Disposal 2
Connecting Electricity 3
Adapter Plugs 3
Installation / Operation Instructions
Ownership 4
Required Tools 4
Uncrating 4
Locating & Installation of Leg/Castors 5
Leveling Cabinet 6
Electrical Instructions 6
Start-up 7
Defrost Timer Instructions 8
Wire Gauge Chart 9
Shelving Install/Operation & Light Switch 10
Maintenance, Care & Cleaning
Cleaning Condenser Coil 11-12
Cabinet Cleaning 13-14
Warranty (U.S.A. & Canada Only!) 15
INSTALLATION MANUAL FOR
UNDERCOUNTER FREEZERS & WORKTOP FREEZERS
UNDERCOUNTER &
WORKTOP FREEZERS
TRUE FOOD SERVICE EQUIPMENT, INC.
2001 East Terra Lane • O’Fallon, Missouri 63366-4434
(636)-240-2400 • FAX [phone] • INT’L FAX [phone] • [phone]
Parts Department (800)424-TRUE • Parts Department FAX# [phone]
CONGRATULATIONS!
You have just purchased the finest commercial
freezer available. You can expect many years of
trouble-free operation.
TWT-44F-HD
TUC-48F-D-4
TUC-27FG
*Spanish, German, French and Dutch versions included.
#912633 • WP-78
TWT-67F

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True Food Service Equipment, Inc.

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SAFETY INFORMATION
True Food Service Equipment, Inc.
11
• Thisfreezermustbeproperlyinstalledandlocatedin
accordancewiththeInstallationInstructionsbeforeit
isused.
• Donotallowchildrentoclimb,standorhangonthe
shelvesinthefreezer.Theycoulddamagethefreezer
andseriouslyinjurethemselves.
• Donottouchthecoldsurfacesinthefreezer
compartmentwhenhandsaredamporwet.Skin
maysticktotheseextremelycoldsurfaces.
• Donotstoreorusegasolineorotherflammable
vaporsandliquidsinthevicinityofthisoranyother
appliance.
• Keepfingersoutofthe“pinchpoint”areas;
clearancesbetweenthedoorsandbetweenthedoors
andcabinetarenecessarilysmall;becarefulclosing
doorswhenchildrenareinthearea.
NOTE
We strongly recommend that any servicing be performed by
a qualified individual.
• Unplugthefreezerbeforecleaningand  
 makingrepairs.
• Settingtemperaturecontrolstothe0positiondoes
notremovepowertotheevaporatorfans.
WARNING!
Use this appliance for its intended purpose as described in
this Owner Manual.
This cabinet contains fluorinated greenhouse gas covered by the Kyoto Protocol
(please refer to cabinet’s inner label for type and volume,
GWP of 134a= 1,300. R404a= 3,800).
How to Maintain Your
Freezer to Receive the Most
Efficient and Successful Operation
You have selected one of the finest commercial freezer units made. It is manufactured under
strict quality controls with only the best quality materials available. Your TRUE freezer when
properly maintained will give you many years of trouble-free service.
SAFETY PRECAUTIONS
When using electrical appliances, basic safety precautions should be followed, including the following:

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SAFETY INFORMATION
2 2
PROPER DISPOSAL OF THE FREEZER
DANGER!
RISK OF CHILD ENTRAPMENT
USE OF EXTENSION CORDS
NEVER USE AN EXTENSION CORD! TRUE will not warranty any refrigerator that has been connected to an extension cord.
Childentrapmentandsuffocationarenotproblems
ofthepast.Junkedorabandonedfreezerarestill
dangerous…eveniftheywillsitfor“justafewdays.”If
youaregettingridofyouroldfreezer,pleasefollowthe
instructionsbelowtohelppreventaccidents.
Before You Throw Away Your Old Refrigerator or
Freezer:
• Takeoffthedoors.
• Leavetheshelvesinplacesothatchildrenmaynot
easilyclimbinside.
Refrigerant Disposal
Youroldrefrigeratormayhaveacoolingsystem
thatuses“OzoneDepleting”chemicals.Ifyouare
throwingawayyouroldrefrigerator,makesurethe
refrigerantisremovedforproperdisposalbya
qualifiedservicetechnician.Ifyouintentionally
releaseanyrefrigerantsyoucanbesubjectto
finesandimprisonmentunderprovisionsofthe
environmentalregulations.

Thepowercordfromthisapplianceisequippedwith
agroundingplugwhichminimizesthepossibilityof
electricshockhazard.
Havethewalloutletandcircuitcheckedbyaqualified
electriciantomakesuretheoutletisproperlygrounded.
Iftheoutletisastandard2-prongoutlet,itisyour
personalresponsibilityandobligationtohaveitreplaced
withtheproperlygroundedwalloutlet.
Thefreezershouldalwaysbepluggedintoit’sown
individualelectricalcircuit,whichhasavoltagerating
thatmatchestheratingplate.
Thisprovidesthebestperformanceandalsoprevents
overloadingbuildingwiringcircuitswhichcouldcausea
firehazardfromoverheatedwires.
Neverunplugyourfreezerbypullingonthepowercord.
Alwaysgripplugfirmlyandpullstraightoutfromthe
outlet.
Repairorreplaceimmediatelyallpowercordsthathave
becomefrayedorotherwisedamaged.Donotuseacord
thatshowscracksorabrasiondamagealongitslengthor
ateitherend.
Whenremovingthefreezerawayfromthewall,be
carefulnottorolloverordamagethepowercord.
HOW TO CONNECT ELECTRICITY
Do not, under any circumstances, cut or remove the ground prong from the power cord.
For personal safety, this appliance must be properly grounded.
WARNING!
USE OF ADAPTER PLUGS
NEVER USE AN ADAPTER PLUG! Because of potential safety hazards under certain conditions, we strongly recommend
against the use of an adapter plug.
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SAFETY INFORMATION
True Food Service Equipment, Inc.
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(North America Use Only!)
NEMAplugs
TRUEusesthesetypesofplugs.If
youdonothavetherightoutlethave
acertifiedelectricianinstallthecorrect
powersource.

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True Food Service Equipment, Inc.
INSTALLATION / OPERATION INSTRUCTIONS
4 4
Toensurethatyourunitworksproperlyfromthefirst
day,itmustbeinstalledproperly.Wehighlyrecommend
atrainedrefrigerationmechanicandelectricianinstall
yourTRUEequipment.Thecostofaprofessional
installationismoneywellspent.
BeforeyoustarttoinstallyourTRUEunit,carefully
inspectitforfreightdamage.Ifdamageisdiscovered,
immediatelyfileaclaimwiththedeliveryfreightcarrier.
TRUE is not responsible for damage incurred during
shipment.
OWNERSHIP
• AdjustableWrench
• PhillipsHeadScrewdriver
• Level
REQUIRED TOOLS
Thefollowingprocedureisrecommendedforuncrating
theunit:
A. Removetheouterpackaging,(cardboardandbubbles
orstyrofoamcornersandclearplastic).Inspectfor
concealeddamage.Again,immediatelyfileaclaim
withthefreightcarrierifthereisdamage.
B. Moveyourunitasclosetothefinallocationas
possiblebeforeremovingthewoodenskid.
C. Removedoorbracketonswingglassdoormodels
(seeimage1-2).
NOTE
Keys for coolers with door locks are located in warranty
packets.
UNCRATING
INSTALLATION / OPERATION INSTRUCTIONS
1
2
Glass Door Models Only.
REMOTE UNITS (This section applies to remotes only!)
• Remotecabinetsmustbeorderedasremote. 
Wedonotrecommendconvertingforastandard
selfcontainedtoremotesystem.
• Allremotecabinetsmustbehardwired.
• Nocastorsavailable.
• Allremotecabinetscomestandardusing404A 
refrigerant.
• Allremoteunitscomestandardwithexpansion 
valve,liquidlinesolenoid,heatedcondensatepan,and
defrosttimerwhenapplicable.
• ContactTRUETechnicalServiceforBTU 
 requirements.
• Nowiringnecessarybetweencabinetand 
condensingunit.
• Allremotecondensingunitspurchasedfrom 
 TRUEare208/230voltssinglephase.
If you have any questions regarding this section, please
call TRUE at 1-(800)-325-6152.

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INSTALLATION / OPERATION INSTRUCTIONS
True Food Service Equipment, Inc.
55
A. Placepackingmaterialbehindcabinetasa
 cushion.Carefullylaytheunitonitsbackto
 removeskid.
When lifting unit remember to
leave the cabinet upright for 24 hours before
plugging into power source.
B. Removeskidbyunscrewingallbaserailanchor
brackets.Placeskidtotheside.
C. Carefullyliftcabinetupright.
LOCATING
Removing
skid from
bottom of
cabinet.
Thread castor into the underside of
cabinet frame rail.
Thread leg into cabinet bottom
frame rail.
The end of the leg is adjustable to
easy leveling.
Use the tool provided to tighten
the castor into place.
For leveling, insert the shim between the
castor and frame rail.
1234
5
INSTALLATION OF LEGS AND CASTORS
Important Safeguard for installation of leg/castor (Images 1-5 demonstrate procedure)
Securing Castors and Legs
Toobtainmaximumstrengthandstabilityoftheunit,
itisimportantthatyoumakesureeachcastorissecure.
Legsarehand-tightenedsecurelyagainstthelowerrail
assembly.Thebearingraceonthecastorofthetopedge
ofthelegmustmakefirmcontactwiththerail.
Unit leveling
Fourlevelingshimshavebeenprovidedforleveling
castoredunitspositionedonunevenfloors.Shimsmust
bepositionedbetweenrailendandbearingrace.TRUE
requiresafourshimlimittoeachindividualcastor.
A. Turnthebearingracecounter-clockwiseuntilthe
cabinetislevel.Levelfronttobackandsidetoside.
(diagonally)
B. Installthedesirednumberofshims,makingsurethe
slotoftheshimisincontactwiththethreadedstem
ofthecastor.
C. Ifmorethanoneshimisused,turntheslotata90°
anglesotheyarenotinline.
D. Turnthebearingraceclockwisetotightenandsecure
thecastorbytighteningtheanchoringboltwitha
3/4inchopen-endwrenchorthetoolprovided.
CAUTION
To avoid damage to lower rail assembly, slowly raise unit to
upright position.

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6 6
A. Beforeyournewunitisconnectedtoa  
powersupply,checktheincomingvoltagewith 
avoltmeter.Ifanythinglessthan100%ofthe 
ratedvoltageforoperationisnoted,correct 
immediately.
B. Allunitsareequippedwithaservicecord,andmust
bepoweredatproperoperatingvoltageatalltimes.
Refertocabinetdataplateforthisvoltage.
TRUE requiresthatasoleusecircuitbededicatedforthe
unit.Failuretodosovoidswarranty.
WARNING
Compressor warranties are void if compressor burns out
due to low voltage.
WARNING
Power supply cord ground should not be removed!
NOTE
To reference wiring diagram - Remove front louvered grill,
wiring diagram is positioned on the inside cabinet wall.
ELECTRICAL INSTRUCTIONS
A. Setunitinitsfinallocation.Besurethereis 
adequateventilationinyourroom.Under 
extremeheatconditions,(100°F+,38°C+),you 
maywanttoinstallanexhaustfan.
WARNING
Warranty is void if ventilation is insufficient.
B. ProperlevelingofyourTRUEfreezeriscritical 
tooperatingsuccess(fornon-mobilemodels). 
Effectivecondensateremovalanddoor  
operationwillbeeffectedbyleveling.
C. Thefreezershouldbeleveledfrominsidethe 
cabinet.Placealevelontheinsidefloorofthe 
unitfronttobackandsidetoside.
D. Ensurethatthedrainhoseorhosesare  
positionedinthepan.
E. Freeplugandcordfrominsidethelowerrearof 
thefreezer(donotplugin).
F. Theunitshouldbeplacedcloseenoughtothe 
electricalsupplysothatextensioncordsare 
neverused.
WARNING
Cabinet warranties are void if OEM power cord is tampered
with. TRUE will not warranty any units that are connected to
an extension cord.
LEVELING
INSTALLATION / OPERATION INSTRUCTIONS

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77
INSTALLATION / OPERATION INSTRUCTIONS
A. Thecompressorisreadytooperate.Pluginthe 
freezer.
B. TemperaturecontrolsetatNo.4positiongives 
freezersanapproximatetemperatureof-10°F. 
Allowunittofunctionseveralhours,completely 
coolingcabinetbeforechangingthecontrol 
setting.
C. Excessivetamperingwiththecontrolcould 
leadtoservicedifficulties.Shoulditever  
becomenecessarytoreplacetemperature  
control,besureitisorderedfromyourTRUE 
dealerorrecommendedserviceagent.
D. GoodairflowinyourTRUEunitiscritical.Be 
carefultoloadproductsothatitneitherpresses 
againstthebackwall,norcomeswithinfour 
inchesoftheevaporatorhousing.Refrigerated 
airoffthecoilmustcirculatedowntheback 
wall.
NOTE
If the freezer is disconnected or shut off, wait five minutes
before starting again.
RECOMMENDATION
Before loading product we recommend you run your TRUE
unit empty for two to three days. This allows you to be sure
electrical wiring and installation are correct and no shipping
damage has occurred. Remember, our factory warranty
does not cover product loss!
REPLACEMENT PARTS
TRUE maintains a record of the cabinet serial number
for your freezer. If at any time during the life of your
cooler, a part is needed, you may obtain this part by
furnishing the model number and serial number to the
company from whom you purchased the cooler. Call
Toll-Free: (800)-424-TRUE (Direct to Parts Department).
(800)-325-6152 (U.S.A. & Canada only) or call:
(636)-240-2400.
STARTUP
Defrost Time Periods:
Smaller freezer Worktop and
Undercounter units have an automatic
defrost. As soon as the unit is plugged
into a power source a defrost will
automaticly start in eight hours. A
defrost period will occur every eight
hours after connecting to power source.
Larger Worktop & Undercounter
freezers have a different defrost timer.
See instructions on the next page for
operation information.

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INSTALLATION / OPERATION INSTRUCTIONS
8 8
Defrost Time Clock Operation
Instructions for TUC-60-32F, 67F,
93F, TWT-60-32F,
67F, and 93F models.
RECOMMENDED DEFROST SETTINGS:
TRUEManufacturinghasfactorysetyour
defrosttimeclocktoarecommendedtime
anddurationdefrostscenario.YourTRUE
equipmenthasbeendesignedforthree
defrostperiods(6:00a.m.,2:00p.m.and
10:00p.m.).Ifyoudecidetodeviatefrom
thesedefrosttimesettingspleasefollowthe
proceduresforadjustmentbelow.
NOTE
Defrost timer will need to be set at
current time of day before plugging
unit into power supply. The defrost
times have been set from the factory.
If you want to change defrost times
please read through the defrost timer
instructions.
REQUIRED TOOLS:
•PhillipsScrewdriver
•1/4”NutDriverorSocket
TUC/TWT Defrost Timer Location:
Defrosttimercanbefoundbyremovingthe
rearscreen.
Setting the timer:
(UNPLUG UNIT FROM
POWER SUPPLY!)
Turntheclock(outerdial)clock-wiseuntil
thecorrecttimeofdayontheouterdialis
alignedwiththemarkeroftheinnerdial.
(Seeimage2).
Adjusting The Defrost Timer:
(timeinitiated,timeterminated)
YourTRUEequipmentcontainsadefrost
systemthatistimeinitiatedandtime
terminated.WhileTRUErequiresa
minimum3defrostperiodsnottoexceed30
minutestheprocedureonthispageshouldbe
followedtocustomizeyourspecificneeds.
NOTICE
If timer is not set for a minimum of 3 defrost
per day for 30 minutes each, the coil may
develop excessive frost. This may lead to
system failure and product loss, which is not
covered under warranty.
The following procedure may be
followed to customize your needs.
High usage, high temperature, and
high humidity may require 4 defrost
settings per day.
WARNING
Always follow the manufacturer’s
recommended settings when
programming the amount and duration
of the defrost cycles.
Defrost Timer Image 2
STEP 1
Thewhitetabslocatedontheoutmostarea
ofthetimeclockhavebeenfactorysetfor
(6:00a.m.,2:00p.m.,and10:00p.m.).Each
tabrepresents15minutesofdefrosttime.
Noticethatateachdefrosttimetwowhite
tabsaresetfor15minuteseachforatotalof
30minutesofdefrost.
STEP 2
Inordertoprogramthetimetobeginthe
defrostcycle,flipthewhitetabsouttosetthe
defrosttime.Toeliminateadefrosttimeflip
thewhitetabsbacktowardthecenterofthe
DefrostTimer.
STEP 3
TRUErecommendsa30minutedefrost
cyclethreetimesperday.
Defrost Timer Box Image 1
Outer most dial. White tabs represent 15 minutes
of defrost time.
Time of day.
Inner most dial.
DEFROST TIMER INSTRUCTIONS