Product Manual

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True Food Service Equipment, Inc.
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INSTALLATION / OPERATION INSTRUCTIONS
RECOMMENDED DEFROST
SETTINGS:
TRUEManufacturinghasfactorysetyour
defrosttimeclocktoarecommended
timeanddurationdefrostscenario.All
refrigerationequipmentoperatingbelow
30°Fwillaccumulatefrostontheevaporator
coilandwillrequireroutinedefrost.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.
REQUIRED TOOLS
•PhillipsHeadScrewdriver
•1/4”NutDriverorSocket
Locating The Defrost Timer:
Takeofflouveredgrillassemblybyremoving
four(4)cornerscrews.
Defrost timer is located in the lower right
corner behind the louvered grill (inside
galvanizedelectricalbox).
Two Door Models:
Defrosttimerislocatedinthemiddleofthe
cabinet, behind the louvered grill. Timer is
mountedtotheleftofthecenteredballastbox
(Insideofgraytimerbox).
Three Door Models:
Defrost timer is located on the left upright
postbehindthelouveredgrill(Insideofgray
timerbox).
Setting the timer:
(UNPLUG UNIT FROM
POWER SUPPLY!)
DO NOT SET THE TIME BY
ROTATING THE “OUTER” DIAL.
Turn the minute hand clockwise until the
timeofdayontheouterdialisalignedwith
the triangle marker on the inner dial (two
o’clockposition).
Adjusting The Defrost Timer:
(timeinitiated,timeortemperature
terminated)
YourTRUEfreezercontainsadefrostsystem
thatistemperatureterminated,howeverthe
timeclockhasbeendesignedwithatime
terminationback-upsothatthedefrost
periodwillnotexceedthirtyminutes.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.
___________ 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.
FREEZER DEFROST TIME CLOCK
OPERATION (Grasslin Timer)
Defrost Timer Image 2
Defrost Timer Image 1
Outer most dial. White tabs represent 15
minutes of defrost time.
Time of day.
Inner most dial.