Stoelting O212 User manual

Model O212
OPERATORS MANUAL
Manual No. 513589 Rev.2

This manual provides basic information about the machine. Instructions and suggestions are
given covering its operation and care.
The illustrations and specifications are not binding in detail. We reserve the right to make
changes to the machine without notice, and without incurring any obligation to modify or pro-
vide new parts for machines built prior to date of change.
DO NOTATTEMPT to operate the machine until instructions and safety precautions in this
manual are read completely and are thoroughly understood. If problems develop or questions
arise in connection with installation, operation, or servicing of the machine, contact Stoelting.
Stoelting Foodservice Equipment
502 Highway 67
Kiel, WI 53042-1600
U.S.A.
Main Tel: [phone]
Fax: [phone]
Customer Service: 888.429.5920
Fax: [phone]
Email: [email protected]
© 2014 PW Stoelting, LLC
stoeltingfoodservice.com

Safety Alert Symbol:
This symbol Indicates danger, warning or caution.
Attention is required in order to avoid serious per-
sonal injury. The message that follows the symbol
contains important information about safety.
Signal Word:
Signal words are distinctive words used throughout
this manual that alert the reader to the existence and
relative degree of a hazard.
CAUTION
The signal word “CAUTION” indicates a potentially
hazardous situation, which, if not avoided, may result
in minor or moderate injury and equipment/property
damage.
A Few Words About Safety
Safety Information
Read and understand the entire manual before
operating or maintaining Stoelting equipment.
This manual provides the operator with information
for the safe operation and maintenance of Stoelting
equipment. As with any machine, there are hazards
associated with their operation. For this reason safety
is emphasized throughout the manual. To highlight
specific safety information, the following safety defini-
tions are provided to assist the reader.
The purpose of safety symbols is to attract your at-
tention to possible dangers. The safety symbols, and
their explanations, deserve your careful attention
and understanding. The safety warnings do not by
themselves eliminate any danger. The instructions
or warnings they give are not substitutes for proper
accident prevention measures.
If you need to replace a part, use genuine Stoelting
parts with the correct part number or an equivalent
part. We strongly recommend that you do not use
replacement parts of inferior quality.
WARNING
The signal word “WARNING” indicates a potentially
hazardous situation, which, if not avoided, may result
in death or serious injury and equipment/property
damage.
CAUTION
The signal word “CAUTION” not preceded by the
safety alert symbol indicates a potentially hazardous
situation, which, if not avoided, may result in equip-
ment/property damage.
NOTE (or NOTICE)
The signal word “NOTICE” indicates information or
procedures that relate directly or indirectly to the
safety of personnel or equipment/property.

SECTION DESCRIPTION PAGE
1. INTRODUCTION
1.1 Description............................................................................................................. 1
1.2 Specifications ........................................................................................................ 1
2. INSTALLATION INSTRUCTIONS
2.1 SafetyPrecautions ................................................................................................. 3
2.2 ShipmentandTransit.............................................................................................. 4
2.3 FreezerInstallation ................................................................................................. 4
2.4 InstallingPermanentWiring .................................................................................... 5
3. INITIAL SET-UP AND OPERATION
3.1 Operator'sSafetyPrecautions................................................................................ 7
3.2 OperatingControlsandIndicators........................................................................... 7
3.3 Sanitizing ............................................................................................................... 8
3.4 FreezeDownandOperation................................................................................... 9
3.5 MixInformation ....................................................................................................... 10
3.6 RemovingMixFromFreezer .................................................................................. 10
3.7 CleaningTheFreezer............................................................................................. 11
3.8 Disassembly of Freezer Parts ................................................................................ 11
3.9 CleaningThe FreezerParts.................................................................................... 12
3.10Sanitize FreezerandFreezerParts ....................................................................... 12
3.11AssemblyofFreezer ............................................................................................. 12
3.12RoutineCleaning................................................................................................... 13
3.13PreventiveMaintenance ........................................................................................ 15
3.14Extended Storage ................................................................................................. 16
4. TROUBLESHOOTING CHARTS................................................................................ 17
5. REFERENCE DRAWINGS......................................................................................... 20
5.1 Auger and Front Door Drawings ............................................................................ 20
5.2 Air Cooled Parts & Wiring Diagram....................................................................... 22
5.3 Water Cooled Parts & Wiring Diagram.................................................................. 29
5.4 General Parts List.................................................................................................. 35
TABLE OF CONTENTS

LIST OF ILLUSTRATIONS
FIGURE TITLE PAGE
1 ModelOptima212Freezer .................................................................................... 1
2 Specifications ........................................................................................................ 1
3 WarningLabelLocations ....................................................................................... 3
4 Leveling ................................................................................................................. 4
5 SpaceandVentilationRequirements ..................................................................... 4
6 Electrical Plug ....................................................................................................... 4
7 InstallingTrayandCover ........................................................................................ 4
8 PowerCordConnection ......................................................................................... 5
9 Controls ................................................................................................................. 7
10 MixInletRegulator ................................................................................................. 9
11 CleanControl......................................................................................................... 9
12 SanitizingHopper .................................................................................................. 9
13 DrainingSolution ................................................................................................... 9
14 DispensingProduct ...............................................................................................10
15 RemovingMixInletRegulator.................................................................................10
16 DrainingMix ..........................................................................................................11
17 RemovingFrontDoor .............................................................................................11
18 AugerShaftRemoval .............................................................................................12
19 Removing"O"Ring ................................................................................................12
20 CleaningFreezerBarrel .........................................................................................12
21 ExplodedViewofAuger .........................................................................................13
22 MixInletRegulator .................................................................................................13

1
SECTION 1
DESCRIPTION AND SPECIFICATIONS
1.1DESCRIPTION
The Stoelting Optima 212 floor model freezer is gravity
fed.The freezer is equipped with fully automatic controls
to provide a uniform product. The freezer is designed to
operate with almost any type of commercial shake mix
available.This manualis designedto assistqualified ser-
vicepersonnel and operatorsin theinstallation, operation
and maintenance of the Stoelting Model Optima 212
freezer.
Figure 1. Model Optima 212 Freezer
1.2SPECIFICATIONS
Figure 2. Specifications
/,67('5<6&

2
MODEL OPTIMA 212
FLOORMODEL
GRAVITYSHAKEFREEZER
DIMENSIONS:
Freezer: 17.6" (45cm) wide x 28.6" (73cm) deep x 63.75" (162cm) high
Crated: 19.5" (50cm) wide x 33" (84cm) deep x 40" (102cm) high
WEIGHT:
Freezer: 332lbs. (150kg) Crated: 427lbs. (193kg)
ELECTRICAL:
Description Optima 212-38
Voltage AC 1PH 208/230
Total Run Amps 10.5
Drive Motor 3/4 HP
Compressor 10,760BTUH (90°F -0°F)
Use 20 amp HACR circuit breaker.
Automatic safeguard circuit built into electronic control - protects major
freezercomponents underabnormal operating conditions.
COOLING:
Air cooled requires minimum 3" (7.6cm) air clearance on back side.
Noclearance needed onsides.
HOPPER:
6.25Gallons (23.7liters) refrigerated and insulated.

3
SECTION 2
INSTALLATION INSTRUCTIONS
2.1SAFETYPRECAUTIONS
Do not attempt to operate the freezer until the safety
precautionsandoperatinginstructionsinthismanualare
readcompletelyandarethoroughlyunderstood.
Takenoticeofallwarninglabelsonthefreezer.Thelabels
have been put there to help maintain a safe working
environment.Thelabelshavebeendesignedtowithstand
washing and cleaning. All labels must remain legible for
the life of the freezer. Labels should be checked periodi-
callytobesuretheycanberecognizedaswarninglabels.
Ifdanger,warningorcautionlabelsareneeded,indicate
the part number, type of label, location of label, and
quantityrequired along with your address and mailto:
STOELTING,INC.
ATTENTION: CustomerService
502 Hwy. 67
Kiel,Wisconsin 53042
Figure 3. Warning Label Locations

4
2.2SHIPMENTANDTRANSIT
Thefreezerhasbeenassembled,operatedandinspected
at the factory. Upon arrival at the final destination, the
completefreezermustbecheckedforanydamagewhich
mayhaveoccurredduringtransit.
With the method of packaging used, the freezer should
arriveinexcellentcondition.THECARRIERISRESPON-
SIBLE FOR ALL DAMAGE IN TRANSIT, WHETHER
VISIBLEORCONCEALED.Donotpaythefreightbilluntil
thefreezerhasbeencheckedfordamage.Havethecarrier
note any visible damage on the freight bill. If concealed
damageand/orshortageisfoundlater,advisethecarrier
within10daysandrequestinspection.Thecustomermust
place claim for damages and/or shortages in shipment
withthecarrier.Stoelting,Inc.cannotmakeanyclaims
against the carrier.
2.3FREEZERINSTALLATION
Installationofthefreezerinvolvesmovingthefreezerclose
to its permanent location, removing all crating, setting in
place,assembling parts,and cleaning.
A. Uncratethefreezer.
B. Accuratelevelingisnecessaryforcorrectdrainage
offreezerbarrelandtoinsurecorrectoverrun.Place
a spirit level on top of the freezer at each corner to
checkforlevelcondition.Ifadjustmentisnecessary,
level the freezer by turning the caster in or out and
tighten the locknut. (Fig. 4).
Figure 7. Installing Tray and Cover
Figure 4. Leveling
C. Thefreezerisequippedwithanaircooledcondenser
andrequirescorrectventilation.Thefrontofthe
freezeristheairintakeandtheback discharge. Both
front and back must have a minimum of 3" of
clearance.(Fig.5).
CAUTION
FAILURE TOPROVIDEADEQUATEVENTILATION
WILL VOID WARRANTY!
D. PlacetheOFF-ONswitchintheOFFposition.(Fig.10).
Figure 5. Space and Ventilation Requirements
E. Connectthepowercord.Theplugisdesignedfor208
or230volt/20ampduty.Checkthenameplateonyour
freezerforpropersupply.Theunitmustbeconnected
toaproperlygroundedreceptacle.Theelectricalcord
furnishedaspartof the freezerhasathree prong
groundingtypeplug(Fig.6).Theuseofanextension
cord is not recommended, if necessary use one with
asize12gaugeorheavierwithgroundwire.Donotuse
anadaptertogetaroundgroundingrequirement.
CAUTION
DONOTALTERORDEFORMPLUGINANYWAY!
F. Installthedriptray,draintray,hoppercoverandother
miscellaneous parts on the freezer. (Fig. 7).
Figure 6. Electrical Plug