True TAC-72-LD User manual

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INSTALLATION MANUAL FOR AIR CURTAIN MODELS
TAC (TRUE AIR CURTAIN MODELS)
CONGRATULATIONS!
You have just purchased the finest commercial
refrigeration available. You can expect many years
of trouble-free operation.
TRUE FOOD SERVICE EQUIPMENT, INC.
2001 East Terra Lane • O’Fallon, Missouri 63366-4434
[phone] • FAX [phone] • INT’L FAX [phone] • [phone]
Parts Department (800) 424-TRUE • Parts Department FAX# [phone]
TABLE OF CONTENTS
Safety Information
TAC-48 Installation Tips –––––––––––––––––––– 1
Safety Precautions –––––––––––––––––––––––– 2
Proper Disposal ––––––––––––––––––––––––––– 3
Connecting Electricity ––––––––––––––––––––– 4
Adapter Plugs –––––––––––––––––––––––––––– 4
Installation / Operation Instructions
Ownership ––––––––––––––––––––––––––––––– 5
Required Tools ––––––––––––––––––––––––––– 5
Uncrating –––––––––––––––––––––––––––––––– 5
Locating ––––––––––––––––––––––––––––––––– 6
Installation of Leg/Castors ––––––––––––––––––– 7
Electrical Instructions –––––––––––––––––––––– 7
Leveling Cabinet –––––––––––––––––––––––––– 7
Conductors and Circuits–––––––––––––––––––– 8
Start-up & Light Switch Location –––––––––––– 9
Mechanical Temperature Control
Adjustments ––––––––––––––––––––––––––– 10 -11
Defrost Timer Instructions ––––––––––––––––– 12
Digital Temperature Control Adjustments –– 13-14
LAE Temperature Control –––––––––––––– 15-23
Remote Unit Installation ––––––––––––––––––– 24
Shelving & Flavor Strip Installation ––––––– 25-26
Maintenance, Care & Cleaning
Cleaning Condenser Coil ––––––––––––––– 27-28
Stainless Steel Equipment Care & Cleaning 29-30
Light Bulb Replacement ––––––––––––––––––– 30
Warranty (U.S.A. & CANADA ONLY!) –––––––– 31
#897010
*Spanish, German, French, Dutch, and Polish version included.
TAC-30
TAC-36
TAC-48
TAC-48GS
TAC-72RC

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SAFETY INFORMATION
• Thisrefrigerator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refrigerator.Theycoulddamagethe
refrigeratorandseriouslyinjurethemselves.
• Donottouchthecoldsurfacesintherefrigerator
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refrigeratorbeforecleaningand 
 makingrepairs.
• Settingtemperaturecontrolstothe0positiondoes
notremovepower.
• Danger-Riskoffireorexplosion.Flammablerefrigerantused.Donotusemechanicaldevicestodefrost
refrigerator.Donotpuncturerefrigeranttubing.
• Danger-Riskoffireorexplosion.Flammablerefrigerantused.Toberepairedonlybytrainedservicepersonnel.
Donotpuncturerefrigeranttubing.
• Caution-Riskoffireorexplosion.Flammablerefrigerantused.Consultrepairmanual/owner’sguidebefore
attemptingtoservicethisproduct.Allsafetyprecautionsmustbefollowed.
• Caution-Riskoffireorexplosion.Disposeofproperlyinaccordancewithfederalorlocalregulations.Flammable
refrigerantused.
• Caution-Riskoffireorexplosionduetopunctureofrefrigeranttubing;followhandlinginstructionscarefully.
Flammablerefrigerantused.
• Caution-Keepclearofobstructionallventilationopeningsintheapplianceenclosureorinthestructurefor
building-in.
WARNING!
Use this appliance for its intended purpose as described in this Owner Manual.
TO LOCATE REFRIGERANT TYPE, SEE SERIAL LABEL INSIDE CABINET.
This cabinet may contain 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).
For Hydrocarbon Refrigeration Only (R-290) See Below:
How to Maintain Your TRUE Unit to Receive the Most Efficient and
Successful Operation
You have selected one of the finest commercial refrigeration units made. It is manufactured under strict quality controls with
only the best quality materials available. Your TRUE cooler 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
PROPER DISPOSAL OF THE REFRIGERATOR
DANGER!
RISK OF CHILD ENTRAPMENT
USE OF EXTENSION CORDS
NEVER USE AN EXTENSION CORD! TRUE will not warranty any display case that has been connected to an extension cord.
Childentrapmentandsuffocationarenotproblemsof
thepast.Junkedorabandoneddisplaycasesarestill
dangerous…eveniftheywillsitfor“justafewdays.”If
youaregettingridofyourolddisplaycase,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.
REPLACEMENT PARTS
• Componentpartsshallbereplacedwithlikecomponents.
• Servicingshallbedonebyauthorizedservicepersonnel,tominimizetheriskofpossibleignitionduetoincorrect
 partsorimproperservice.
• Lampsmustbereplacedbyindenticallampsonly.
• Ifthesupplycordisdamaged,itmustbereplacedbyaspecialcordorassemblyavailablefromthemanufactureror
 itsserviceagent.

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SAFETY INFORMATION
Thepowercordofthisapplianceisequippedwitha
groundingplugwhichmateswithastandardgrounding
walloutlettominimizethepossibilityofelectricshock
hazardfromthisappliance.
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unit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.
NEMAplugs
TRUEusesthesetypesofplugs.
Ifyoudonothavetherightoutlet
haveacertiedelectricianinstall
thecorrectpowersource.
115/60/1
NEMA-5-20R
115/208-230/1
NEMA-14-20R
115/60/1
NEMA-5-15R
208-230/60/1
NEMA-6-15R
NEMA plug configurations
T-Series and GDM Freezers
Spec Series same as T-Series
Back Bar
Milk Coolers
TSSU
TPP
TWT
TUC
TRCB
T-Series and GDM Refrigerators
Double Duty, Single Duty, Curved Glass
Horizontal Freezers
GDIM
TAC (Air Curtain)
115/60/1
NEMA-5-20R
115/208-230/1
NEMA-14-20R
115/60/1
NEMA-5-15R
208-230/60/1
NEMA-6-15R
NEMA plug configurations
T-Series and GDM Freezers
Spec Series same as T-Series
Back Bar
Milk Coolers
TSSU
TPP
TWT
TUC
TRCB
T-Series and GDM Refrigerators
Double Duty, Single Duty, Curved Glass
Horizontal Freezers
GDIM
TAC (Air Curtain)
115/60/1
NEMA-5-20R
115/208-230/1
NEMA-14-20R
115/60/1
NEMA-5-15R
208-230/60/1
NEMA-6-15R
NEMA plug configurations
T-Series and GDM Freezers
Spec Series same as T-Series
Back Bar
Milk Coolers
TSSU
TPP
TWT
TUC
TRCB
T-Series and GDM Refrigerators
Double Duty, Single Duty, Curved Glass
Horizontal Freezers
GDIM
TAC (Air Curtain)
208-230/60/1
NEMA-6-20R
Theincomingpowersourcetothecabinetincludingany
adaptersusedmusthavetheadequatepoweravailable
andmustbeproperlygrounded.Onlyadapterslisted
withULshouldbeused.

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INSTALLATION / OPERATION INSTRUCTIONS
Toensurethatyourunitworksproperlyfromthefirst
day,itmustbeinstalledproperly.Wehighlyrecommend
atrained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bypullingtri-wallnails
fromskid.Remove(4)cardboardcornerpadsand
dustcover.
B. Inspectforconcealeddamage.Again,immediatelyfilea
claimwiththefreightcarrierifthereisdamage.
C. Moveyourunitasclosetothefinallocationas
possiblebeforeremovingthewoodenskid.
UNCRATING
Installation Tips
• Placecabinetinanareathatwillnothaveanyairdrafts.
• Excessiveairflowaroundcabinetcaneffectinteriorcabinetairflow(air-curtain).
• NoHVACsupplyorreturnairventspushingairintoorpullingairoutofcabinet.
• Nodoorways.
• Noceilingfans.
• Donotplaceintodirectsunlight.
NOTE
Check for correct clearance space in back of cabinet and above. A 4” clearance requirement for the rear of cabinet and 12”
clearance above cabinet.
• Maximumambientcondition75degreesand55%RelativeHumidity.
INSTALLATION TIPS

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INSTALLATION / OPERATION INSTRUCTIONS
A.Remove louver from the front of cabinet and backguard (if applicable) from rear of cabinet. Remove louver
grill by backing out Phillips screws located on either side of the louver grill. (See image 1). Pull the louver grill out from
the cabinet front. (See image 2). (To reinstall grill, place louver grill back into brackets located at the base of the unit. (See
image 3). Snap top of louver grill into place. Replace screws).
B.Skid bolts are located in each of 4 corners inside cabinet bottom (see image 4).
C. Remove skid bolts (see image 5).
D. Cut straps if applicable (see image 6).
E. Carefully lift cabinet off of skid.
LOCATING
WARNING: Be sure there is adequate ventilation in your room. Maximum ambient condition 75
degrees and 55% Relative Humidity. Warranty is void if ventilation is insufficient.
CLEARANCES (For proper cabinet operation, clearance guidelines should be followed).
Air Curtains – 4” at the rear and 12” at the top.
54 6
Removing skid from bottom of cabinet.
12
7 8
TAC-14GS Grill Removal:
Remove two screws from either side of the front grill (See image 7).
Lift grill away front cabinet (See image 8).
3

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INSTALLATION / OPERATION INSTRUCTIONS
Leg levelers in the bottom of the cabinet
can be backed out for leveling.
Leg Levelers:
Ifthecabinetisnotleveluseanopen-endwrenchandturn
adjustabletipsonlegsuntilcoolerislevel.(Seeimage1).
Castor Installation:(KitContents)
2-Castormountingbracket
2-Castor,2-1/2”diameterwheelwith3/8”-16x1- 
1/2”threadedstemwithoutbrake
2-Castor,2-1/2”diameterwheelwith3/8”-16x1- 
1/2”threadedstemwithbrake
4-Washer,flat,3/8”I.D.x1”O.D.
4-Washer,splitlock,3/8”I.D.
4-Nut,hex,3/8”-16
(See image 2).
CAUTION
To avoid damage to lower rail assembly, slowly raise unit to
upright position after installing castors.
2
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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!
WARNING
Do not use electrical appliances inside the food storage
compartments of the appliances unless they are of the
type recommended by the manufacturer.
NOTE
To reference wiring diagram - Remove lower rear grill. Wiring
diagram is positioned on the inside cabinet wall.
ELECTRICAL INSTRUCTIONS
LEVELING
Securing Castors
A. Setunitinitsfinallocation.Besurethereisadequate
ventilationinyourroom.Underextremeheat
conditions,youmaywanttoinstallanexhaustfan.
WARNING
Warranty is void if ventilation is insufficient.
B. ProperlevelingofyourTRUEcooleriscriticalto
operatingsuccess(fornon-mobilemodels).Effective
condensateremovalanddooroperationwillbe
effectedbyleveling.
C. Thecoolershouldbeleveledinsidethecabinetfront
tobackandsidetosidewithalevel.
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cooler(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.
INSTALLATION OF LEGS AND CASTORS
1

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INSTALLATION / OPERATION INSTRUCTIONS
CONDUCTORS AND CIRCUITS
Wire Gauge for 2% Voltage Drop in Supply Circuits.
115 Volt Distance In Feet To Center of Load
Amps 20 30 40 50 60 70 80 90 100 120 140 160
2 14 14 14 14 14 14 14 14 14 14 14 14
3 14 14 14 14 14 14 14 14 14 14 14 12
4 14 14 14 14 14 14 14 14 14 12 12 12
5 14 14 14 14 14 14 14 12 12 12 10 10
6 14 14 14 14 14 14 12 12 12 10 10 10
7 14 14 14 14 14 12 12 12 10 10 10 8
8 14 14 14 14 12 12 12 10 10 10 8 8
9 14 14 14 12 12 12 10 10 10 8 8 8
10 14 14 14 12 12 10 10 10 10 8 8 8
12 14 14 12 12 10 10 10 8 8 8 8 6
14 14 14 12 10 10 10 8 8 8 6 6 6
16 14 12 12 10 10 8 8 8 8 6 6 6
18 14 12 10 10 8 8 8 8 8 8 8 5
20 14 12 10 10 8 8 8 6 6 6 5 5
25 12 10 10 8 8 6 6 6 6 5 4 4
30 12 10 8 8 6 6 6 6 5 4 4 3
35 10 10 8 6 6 6 5 5 4 4 3 2
40 10 8 8 6 6 5 5 4 4 3 2 2
45 10 8 6 6 6 5 4 4 3 3 2 1
50 10 8 6 6 5 4 4 3 3 2 1 1
Wire Gauge for 2% Voltage Drop in Supply Circuits.
230 Volt Distance In Feet To Center of Load
Amps 20 30 40 50 60 70 80 90 100 120 140 160
5 14 14 14 14 14 14 14 14 14 14 14 14
6 14 14 14 14 14 14 14 14 14 14 14 12
7 14 14 14 14 14 14 14 14 14 14 12 12
8 14 14 14 14 14 14 14 14 14 12 12 12
9 14 14 14 14 14 14 14 14 12 12 12 10
10 14 14 14 14 14 14 14 12 12 12 10 10
12 14 14 14 14 14 14 12 12 12 10 10 10
14 14 14 14 14 14 12 12 12 10 10 10 8
16 14 14 14 14 12 12 12 10 10 10 8 8
18 14 14 14 12 12 12 10 10 10 8 8 8
20 14 14 14 12 10 10 10 10 10 8 8 8
25 14 14 12 12 10 10 10 10 8 8 6 6
30 14 12 12 10 10 10 8 8 8 6 6 6
35 14 12 10 10 10 8 8 8 8 6 6 5
40 14 12 10 10 8 8 8 6 6 6 5 5
50 12 10 10 8 6 6 6 6 6 5 4 4
60 12 10 8 6 6 6 6 6 5 4 4 3
70 10 10 8 6 6 6 5 5 4 4 2 2
80 10 8 8 6 6 5 5 4 4 3 2 2
90 10 8 6 6 5 5 4 4 3 3 1 1
100 10 8 6 6 5 4 4 3 3 2 1 1