Model 3311 Beverage Freezer Manual
Grindmaster Corporation
4003 Collins Lane
Louisville, KY 40245 USA
(502) 425-4776 (800) 695-4500
FAX (502) 425-4664
© Grindmaster Corporation, 2004
PRINTED IN USA
0607 Form # WH-312-03
Part # W0600110
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Table of Contents
Safety Precautions ....................................................................................................
2
Freezer Applications & Specifications .....................................................................
Installation .................................................................................................................
Operation and Adjustments ......................................................................................
2 - 3
4 - 6
6 - 7
Care & Cleaning ........................................................................................................... 8 - 11
Maintenance ................................................................................................................. 11 - 13
Troubleshooting ............................................................................................................ 14
Key Parts Identification ................................................................................................ 15
Assembly Diagrams ......................................................................................................... 16 - 23
Wiring Diagrams ............................................................................................................. 24 - 31
Refrigeration Diagrams .................................................................................................. 32 - 36
Information contained within this manual is subject to change without notice.
Contact Grindmaster Corporation’s Customer/Technical Service Department at 1-800-695-4500 with any questions or for clarification.
Model 3311
Page 1
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OPERATOR’S SAFETY PRECAUTIONS
IMPORTANT: Failure to comply with the following safety precautions may result in severe personal injury or damage
to the machine.
1. Read and understand the operating instructions in this manual thoroughly. Only allow properly trained persons to
operate this machine.
2. Note all warning labels on the freezer. If any warning labels are missing or damaged replace them immediately.
3. Do not wear loose fitting garments or jewelry which could cause a serious accident.
4. Stay alert at all times during operation.
5. Keep operating area clean.
6. Do not attempt any repairs unless the main power supply to the freezer has been disconnected. Contact
Grindmaster Technical Service for service assistance.
7. Do not put objects or fingers in the dispense plunger.
8. Do not operate freezer if any excessive noise or vibration occurs. Contact your authorized service agent.
9. Be certain machine is installed with adequate space for proper air circulation. (See installation section.) Failure to
provide sufficient ventilation will reduce freezer performance and void equipment warranty.
Located on the right, left and rear panels. (part # W0600218)
FREEZER APPLICATION AND SPECIFICATIONS
Model 3311
The freezer consists of a freezing cylinder with a rotating internal auger (dasher) that is belt-driven by an electric
motor. The auger scrapes frozen product off of the inside of the refrigerated cylinder. A torque sensing mechanism
controls compressor operation to maintain desired product consistency. The freezer utilizes either an air-cooled or
water-cooled refrigeration system to freeze the product. A self-closing dispensing valve is attached to the front of the
freezing cylinder. The unit has an adjustable consistency control and an out of product indicator.
When properly operated and cared for, the Model 3311 will provide many years of service. Proper care includes
regular cleaning and maintenance. To minimize the amount of maintenance necessary, follow the operating
procedures outlined in this manual.
Product Tips
The Model 3311 was designed to dispense a wide variety of frozen beverages including frozen fruit juice, frozen
lemonade, slush and frozen cocktails. These products can be served in consistencies ranging from thin to fairly
thick.
Two types of dispensing valve plungers and product consistency springs are available depending on the thickness of
the product being served. These parts are interchangeable depending upon your needs. One plunger, part
W0480438 has one horizontal outlet slot and is used to serve thin to medium products such as frozen lemonade and
slush. The other plunger, part W0480451 has two horizontal outlet slots and is used to serve thicker product such as
neutral base frozen cocktails. A red spring, part W0631239, is used on the drive motor to adjust product consistency
to serve thin to medium products. The yellow spring, part W0631238, is used for thicker product. The spring is locat-
ed next to the drive motor behind the right hand side panel.
Over an extended period of time, some products, such as frozen cocktails that contain alcohol, have a tendency to
separate, or stratify. Separation of product on the mix storage hopper can result in frozen product quality inconsis-
tency. Simply keeping the product, in the mix storage hopper, stirred on a regular basis will eliminate this problem.
Page 2
Model 3311
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Product Tips (cont.)
Some cappuccino or latté mixes contain dairy products which can spoil if not refrigerated. If the freezer is to be turned
off at night these products must be removed from the freezer.
Contact your local health department regarding its regulations for proper mix handling and storage.
Carburetor Assembly
Your new freezer uses a metering device, known as a carburetor, to feed the proper ratio of mix and air into the freez-
ing cylinder (and to prevent frozen product from rinsing out of the freezing cylinder).
The carburetor, or carb tube, is a tube with a hole, or series of holes, bored through the side. It is located in the hop-
per and fits in the hole that leads to the freezing cylinder. Air flows into the freezing cylinder through the top of the
tube and mix flows in through a smaller hole in the side
of the carb tube. The size of the mix inlet hole can be
balanced with the viscosity (thickness) of the liquid mix
and product draw rate, in such a way that the proper
amount of mix is fed into the freezer cylinder to blend
with air at just the right ratio. Mix viscosity varies by mix
type, mix temperature and mix age. Different serving
rates also demand different feed rates. For many prod-
ucts, the proper mix to air ratio is generally accepted
Standard carb tube Low overrun
Thick product carb tube
(W0471136)
to be two parts mix to one part air. This proportion
yields a finished product that is both tasty and prof-
itable. At this ratio, one gallon of liquid mix will yield a
(W0471076)
carb tube
(W0472060)
Figure A
volume of one and one-half gallons of frozen product. This
additional volume is the overrun in the product. Crathco offers three versions of carb tubes (see Figure A). Depending
on the product being served and overrun requirements there is a standard tube for most slush or cocktail products, a
low overrun carb tube that allows all air trapped in the freezing cylinder to escape and a smoothie/shake carb tube.
This carb tube has an outer sleeve that can be rotated to line up with different hole sizes providing various levels of
overrun. Most applications only require the standard carb tube.
Mix Considerations - General
Freezing characteristics are affected by the amount of sweeteners and solids in the mix. The amount of sweeteners
and solids is called BRIX. BRIX can be measured with an instrument called a refractometer. A BRIX reading of
between 11 and 14 will provide optimum freezer operation. Mixes with this BRIX level will freeze down to a smooth,
uniform consistency. Mixes with too high a BRIX level will take longer to freeze down and will yield a soft, wet frozen
product. Mixes with too low a BRIX level will have larger ice crystals and will have a tendency to dispense slowly.
Alcohol content also affects product freezing characteristics. High alcohol content may prevent the freezer from
serving product at proper thickness.
Note: Always take BRIX measurement using mix that has been thoroughly blended, before it is frozen. Always allow
frozen mix to thaw thoroughly before taking a reading.
For maximum output capacity, always pre-chill mix before adding it to the freezer. Pre-chilled mix gives the freezer a
head start on the freezing process and will speed both initial freeze down and recovery time. It is normal for output
capacity to decrease when warm mix is added, or when the freezer is operated in a warm area.
Freezer Specifications
Standard 3311
CE 3311
Water-Cooled 3311
26-1/2”H x 13”W x 29”D
67 cm x 33 cm x 74 cm
(includes header box)
26-1/2”H x 13”W x 29”D
67 cm x 33 cm x 74 cm
(includes header box)
26-1/2”H x 13”W x 29”D
67 cm x 33 cm x 74 cm
(includes header box)
Dimensions
(H x W x D)
115V / 60Hz / 1 PH
Dedicated 15 Amp circuit
220-240V / 50 Hz / 1 PH
Dedicated 15 Amp circuit
115V / 60Hz / 1 PH
Dedicated 15 Amp circuit
Electrical
Circuit NEMA #
Drive Motor
Compressor
5-15R
1/2 hp, Capacitor Start
3/4 hp
Plugless cord (user must attach plug) 5-15R
1/2 hp, Capacitor Start
3/4 hp
1/2 hp, Capacitor Start
3/4 hp
Cooling
Air-cooled
Air-cooled
Water-cooled
Actual Weight
175 lbs (79.4 kg)
5 gallons (18.9 liters)
1-1/2 gallons (5.7 liters)
See Serial Number Plate
See Serial Number Plate
175 lbs (79.4 kg)
175 lbs (79.4 kg)
Mix Hopper Capacity
Freezing Cylinder Capacity
Refrigerant
5 gallons (18.9 liters)
1-1/2 gallons (5.7 liters)
See Serial Number Plate
See Serial Number Plate
5 gallons (18.9 liters)
1-1/2 gallons (5.7 liters)
See Serial Number Plate
See Serial Number Plate
Refrigerant Charge
High Side (operating pressure)
Low Side
Approx. 275-350 psi
35-40 psi
Approx. 275-350 psi
35-40 psi
Approx. 275-350 psi
35-40 psi
Model 3311
Page 3
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INSTALLATION
Shipment Transit
1. The freezer has been operated and tested at the factory. Upon arrival the complete freezer
must be thoroughly checked for any damage which may have occurred in transit.
Note: A Tip (N) Tell warning device is placed on each shipping carton at the factory. If the
indicator is red, the carton has been tipped in transit. (See Figure B)
2. THE CARRIER IS RESPONSIBLE FOR ALL DAMAGE IN TRANSIT WHETHER VISIBLE OR
CONCEALED. DO NOT PAY THE FREIGHT BILL until the freezer has been checked for
damage. Have the carrier note any visible damage on the freight bill. If concealed damage
and/or shortages are found later, advise the carrier within 10 days and request inspection. The
customer must place any claim for damage and/or shortage with the carrier. Grindmaster
cannot make any claims against the carrier.
Figure B
Installing Your Unit
1. Place the self-sealing rubber pad (shipped with the freezer) on a level counter that is
stable and strong enough to safely support the freezer’s weight (200 lbs /90.7 kg), or if
equipped with legs instead of pad, install legs by screwing them into the four leg holes
on the bottom of the unit. (Leg Kit Part # W0890220 (4) 4” Legs)
2. Make sure freezer is to be placed in a location that is within 6’ of a properly grounded
circuit and allows adequate space at each side and above for proper air circulation.
Air Cooled Units Only: Minimum clearance is 6” (15 cm) on both sides and 0” at back
and open above the freezer. (See Figure C)
Water Cooled Units Only: 3 - 6” of clearance are required at the rear of the unit,
0” of clearance are required on both sides and open at top.
NOTE: Failure to allow adequate ventilation will void the warranty and reduce
freezer performance.
Figure C
NOTE: Locating the unit in high ambient temperatures (over 100°F / 37.8°C) will
significantly reduce the performance of your machine.
3. Remove the side panels and supporting all four sides, lift machine up (by the
frame) and place in appropriate area on top of rubber pad.
CAUTION: If equipped with spinner do not lift unit up by spinner shaft. It
will cause serious damage to spinner.
ƽ
ƽ
CAUTION: Beverage freezers are heavy pieces of equipment. It is
recommended that moving or lifting the unit be done by two people to
avoid injury.
Figure D
4. The side panels should still be removed. Cut the cable tie used to secure motor during
shipment. Make sure motor rocks freely. (Figure D)
5. Water Cooled Units Only: Connect water to inlet (3/8” flare fitting). Connect the drain
line to the fitting on the out port. The out port will go to a drain or recirculating
pump (reservoir with recirculating pump is recommended).
6. 220V/50Hz Units: These units come with a plugless cord that requires the appropriate plug configuration be
connected. This must be determined by the power outlets at the specified location. See wiring diagram at back of
manual for assistance. It is recommended that a service technician performs this operation.
Page 4
Model 3311
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Installing Your Unit (cont.)
7. Review hopper contents to make sure all parts are available:
Part #
Description
Manual
W0600110
W0600073
W0600121
W0600012
W0600159
W0890218
W0520094
W0480445
W0631230
*
Rubber Pad Sheet
Merchandiser Installation Sheet
MSDS Sanitizer Sheet
Warranty Registration Card
Drip Tray Kit
Hopper Cover
Valve Handle
Valve Spring
Carb Tube
Dispense Valve Plunger
Lubricant
Sanitizer Packets
O-rings
*
W0470076
W0631903
W0340022
* Optional items specified when the unit is ordered.
8. Fill out Warranty Registration Card with the requested information and mail to Grindmaster Corporation.
9. Replace side panels.
10. Assemble the dispense valve following the instructions on page 9. The valve plunger, spring and retaining pin
come in the small parts bag.
11. Be sure ON-OFF-CLEAN switch (toggle switch located underneath the electrical box) is in the “OFF” position.
12. Connect the power cord directly to a properly grounded DEDICATED 120V/60Hz, 15 Amp circuit or 220-240V/
50Hz, 15 Amp circuit for CE models. Do not use an extension cord.
Do not alter or deform the plug in any way! Altering or deforming the plug may damage unit and will
void warranty.
ƽ
13. Remove the drip tray kit from the bubble wrap. Separate the parts and remove the protective coating. The drip
tray is mounted on two screws that are located on the lower front of the freezer cabinet.
14. Place the key hole slot of the drip tray support bracket (W0471022) on to these screws and tighten the screws.
15. Angle the back of the drip tray surround bracket into the drip tray support bracket (W0471022) and lower bracket
to lock it into place.
16. Place drip tray onto drip tray surround bracket.
17. Place the louvered drip tray insert into drip tray.
Model 3311
Page 5
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Accessory Installation
The Model 3311 has several optional accessories that can be added
to the unit in the field to meet your application’s needs. These
accessories come with installation instructions.
Electrical box
• Spinner - Spinners are typically used in applications that add
flavoring to a frozen neutral base product after it is dispensed.
Allows operator to serve a wider variety of frozen drinks from one
machine (i.e. hazelnut added to cappuccino). See Figure E.
• Concealed Air Filter - Prevents dust from clogging the condenser.
Ideal for applications near beaches. Helps maintain maximum air
flow and optimum freezer performance. See Figure F.
NSF approved. Part # W0890200 stainless steel; W0890208 black.
• Exposed Air Filter - Similar to concealed air filter. Not NSF
approved. Part # W0890206. See Figure G.
Mounting screws
Spinner mounting bracket
Spinner
Figure E
• Valve Lock Security Bracket - Part # W0471135. Ideal for self-service locations to
prevent unauthorized use. Lock must be purchased separately. See Figure H.
• Remote Fill Control - Automatically refill the mix storage hopper. Provide
additional labor savings by pre-mixing product automatically and monitoring
system to maintain the mix hopper level.
• Private Label Header - A private label or different drink header can be installed by
removing two screws from the electrical box cover. Place the header
(transparency) between the clear and opaque plates (plastic lens). Put these in
place under the lip of the machine top. Slip the electrical box cover back on to the
machine and reinsert the screws. (See Figure I) Grindmaster offers a variety of
drink headers including: frozen beverage, frozen lemonade, cappuccino,
margarita, pina colada, frozen cocktail, frozen daiquiri and smoothie.
FILTER
SLIDE THE FILTER IN BEHIND
THE FILTER PANEL, & IN FRONT
OF THE EXISTING SIDE PANEL.
TO CHANGE, REMOVE, CLEAN
AND/OR REPLACE.
Figure F
OPERATION AND ADJUSTMENTS
How to Operate
1. Sanitize unit following the cleaning instructions starting on page 10.
2. Fill the mix storage hopper following the instructions on page 10. Allow
barrel to fill with product to proper level, then insert carb tube from
parts bag in hole toward rear of hopper. See Figure J.
3. Turn power switch to “ON” position.
4. Allow product to freeze in barrel. Compressor will turn off when product
reaches pre-set consistency.
5. To dispense product pull down valve handle and release when done.
6. If product consistency is not as desired, adjust per the instructions on page 7.
7. Refill mix storage hopper when “mix out” light is ON.
8. Clean the unit regularly following local health codes.
9. Perform maintenance when necessary to increase the life of the unit. See
the chart in this manual for regular maintenance schedule (page 11).
Figure G
Mix Low Function
1. This model utilizes a simple float mechanism to sense when mix is low in
hopper. (See Figure J) When the mix level in the hopper is low, the mix low
light located in the front of the machine next to the valve block will illuminate.
NOTE: Do not run the unit under mix low conditions for long periods of time. This
can affect machine performance or damage componentry.
Figure H
Figure I
Page 6
Model 3311
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Consistency Adjustment
From time to time, it may become necessary to readjust the consistency setting (thickness) to compensate for
variation between different mixes or to switch from one type of product to another. This adjustment is made
as follows:
1. Disconnect electrical power.
Mix Low Float O-ring
Carburetor
Mix Low Float
WARNING: Do not attempt to readjust the freezer until
electrical power has been disconnected.
ƽ
2. Remove right side panel (facing the freezer).
3. Use the adjustment screw, situated on the front of the drive motor
mounting bracket to change product thickness. Turn the thumbscrew
(3 full turns for red spring, 1 turn for yellow spring) to make a noticeable
change in consistency. (See Figure K)
NOTE: Clockwise is for thicker product consistency and counter clockwise
is for thinner product consistency. (See Figure L)
Figure J
4. Reinstall the side panel, reconnect power.
5. Turn freezer to “ON” and allow it to freeze to desired consistency.
6. Check product. Repeat process until desired consistency is achieved.
Adjustment Screw
NOTE: When making changes to a colder (thicker) setting, recheck consistency
again after the compressor has cycled off. When adjusting
(counter-clockwise) to a thinner consistency, a large portion of product must be
drawn from the dispense valve to reduce the product thickness below the new set
point (adjustment). Then allow the freezer to refreeze product to the new setting.
Figure K
Increase Thickness
(turn clockwise)
Decrease Thickness
(turn counterclockwise)
Figure L
Model 3311
Page 7
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CARE AND CLEANING
Cleaning and sanitizing frequency must be followed according to state and local health department regulations.
NOTE: Each time the freezer is fully disassembled, all foodzone freezer components must be thoroughly washed
and sanitized using procedures recommended by the local health department. In lieu of local health department
recommendations, use a three compartment sink; one compartment to wash parts in detergent, one compartment to
rinse, and one to sanitize.
Drain and Rinse
1. If the freezer is empty, proceed to Disassembly and Cleaning. If there is product in the freezer, turn the front panel
switch to “CLEAN”. Most users schedule cleaning when product in the hopper is low to minimize product loss.
2. On freezers using the optional Remote Fill Control and Proportioning Pump, turn “OFF” the water valve on the
Proportioning Pump, using the valve next to the inlet pressure regulator and turn the switch on the Remote Fill
Control to “OFF”.
3. Open the front dispensing valve and drain all product from the freezer. Close the dispensing valve and turn
freezer to “OFF”.
NOTE: Use approximately 2½ gallons (10 liters) of cool water to rinse product out of freezer.
4. Remove the carburetor tube and pour water into the storage hopper. Allow the water to fill the freezing cylinder.
5. Turn the panel switch to “CLEAN” for 5 minutes.
6. Open the dispensing valve and drain the water from the freezer.
7. Turn the freezer “OFF”.
Disassembly and Cleaning
Note: For cleaning and sanitizing before initial start-up remove carb tube, dispense plunger, handle and spring from
parts bag first.
1. Disassemble the dispensing valve assembly (Figure M). Pull out valve handle retaining pin while supporting the
valve plunger from the bottom (Figure N). Push up on the valve plunger and remove the stainless handle
(Figure O). Slide the valve plunger and spring downward to remove (Figure P).
2. Remove knobs and carefully remove the front dispensing valve assembly, leaving the dasher assembly in the
cylinder. Remove the o-rings from the plunger assembly and back of the dispensing valve body. (See Figure Q)
Figure M Disassemble
Figure N Remove Pin
Figure O Remove Handle
Figure P Remove
Dispensing Valve
Plunger and Spring
NOTE: The best way to remove an o-ring is to first wipe off all of the lubricant using a
clean paper towel. Pinch the o-ring upward with a dry paper towel between your index finger and thumb. When a
loop is formed in the o-ring, roll it out of the groove with your other thumb. Always remove the o-ring farthest from
the end of the plunger first. Carefully inspect the o-rings and replace if necessary.
(See Figure Q)
3. Remove the dasher assembly from inside the freezing cylinder taking care to avoid
damaging the rear seal assembly at the back of the freezing cylinder. Disassemble
the dasher assembly by removing the stator rod and front and rear stator rod
bearings.
Figure Q Ring Removal
Page 8
Model 3311
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Disassembly and Cleaning (cont.)
4. Remove stationary half of the shaft seal assembly from the back end of the
freezer cylinder. This is accomplished by reaching into the cylinder and pulling seal
out with your index finger. (See Figure R)
5. Slide the rotary half of the seal off the dasher shaft. Inspect both seal components
carefully for nicks or cracks. Replace seal if defective.
NOTE: To prevent leakage the surfaces of the rotary seal and the stationary seal must be
smooth with no chips or cracks.
NOTE: All units are shipped with a standard ceramic seal (Part # W0340201) unless
otherwise specified. Certain products contain coconut oil which requires a different sealing
material. For these products use the coconut oil seal (Part # W0340210). The stationary
half of the standard seal has a white polished surface. The stationary half of the coconut
oil seal has a glossy black surface.
6. Remove carb tube from bottom of hopper and remove o-rings. (See Figure S).
7. Remove drip tray and empty contents.
8. Take all components to the cleaning area.
Figure R Installing the
stationary half of seal
9. Prepare 1 gallon solution of hot tap water and a good grade of dishwashing detergent.
10. Thoroughly wash all components in a warm, mild detergent solution including the
inside of the freezing cylinder and the mix storage hopper. DO NOT WASH
COMPONENTS IN A DISHWASHER.
Figure S Carb Tube
11. Use a medium sized brush to clean the bottom of the valve body and the inside of
the plunger bore with detergent solution taking care to remove only remaining
lubricant. (Figure T)
12. The exterior of the freezer should be cleaned as needed with a cloth towel.
CAUTION: Coarse rags, abrasive cleaners and excessive force can
damage and/or scratch the surfaces of the freezer.
ƽ
Reassembly
NOTE: Allow all parts to dry completely before reassembly.
1. Reassemble drip tray and re-install on front of unit.
Figure T Clean Valve Body
2. Wet the inner rubber lip of the rotary half of the seal and the back end of
the dasher shaft with water. Slide rotary half of assembly onto the dasher shaft,
RUBBER FIRST, with the smooth sealing surface facing the back of the dasher.
(See Figure U). Be sure the rotary half is fully seated against the shoulder of
the shaft.
3. Insert the stationary half of the seal into the ribbed rubber boot with the
polished surface facing out (forward).
4. Lightly lubricate the ribbed rubber boot of the stationary ceramic seal (taking care
not to get any lubricant on the polished surface) and insert it straight back into the
recess at the back of the freezing cylinder, RUBBER FIRST. (See Figure V)
Figure U Re-assemble rotary
half of seal as shown
NOTE: The stationary half of the seal must be completely dry before reassembling. If the
circular half of the seal is white, make sure that the grooved side is toward the rubber. If the
circular half is black, be sure the glossy side is facing out.
5. Reassemble the dasher assembly, as shown in Figure W. Insert the larger front
and smaller rear white plastic bearings into dasher, then slip in the stator rod.
6. Carefully and slowly guide the dasher into the freezing cylinder, taking care
not to damage the seal assembly. Turn dasher shaft until it engages the square
drive coupling. Slide the dasher back into the cylinder so that the two smooth
sealing surfaces meet. (See Figure X)
Figure V Installing the
stationary half seal
7. Inspect and lightly lubricate the large square o-ring
and refit it into the back of the valve block
assembly. Install the valve assembly on the front
studs and tighten the knobs until they are finger
tight. Do not use tools to tighten knobs.
NOTE: Failure to lightly lubricate the large o-ring can
result in product leakage.
Figure W Dasher Assembly
Figure X Seal Assembly
Model 3311
Page 9
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Sanitizing and Refilling
1. Reassemble carburetor by installing the two o-rings at the bottom of the carb tube.
2. Place the carburetor assembly in the bottom of the hopper.
3. Install the o-rings on valve plunger and lay plunger assembly on a clean piece
of paper towel.
4. Prepare a minimum of 2.5 gallons (9.5 liters) of sanitizing solution (Kay-5
Sanitizer/Cleaner or equivalent) following the manufacturer’s instructions.
NOTE: Add 1 ounce of Kay-5 to 2.5 gallons (9.5 liters) of 120°F (50°C) water to
achieve a concentration of 100 parts per million.
5. Dip a medium sized brush into the sanitizing solution and sanitize the inside bore
of the dispensing valve. (Figure Y)
Figure Y Sanitize Valve Body
6. Place a small amount of lubricant onto a piece of clean paper toweling. Use a clean
piece of paper toweling to pick up the small end of the valve plunger assembly.
Apply a thin film of lubricant from the other piece of paper toweling. (Figure Z)
7. Slide the valve plunger spring over the small end of the valve plunger and, using
another clean piece of paper toweling, pick up the valve plunger at the outlet end
and insert plunger and spring into the valve body. (Figure AA)
8. Push up on the valve plunger and insert the stainless steel handle. (Figure BB)
9. Holding the handle down slightly so that the hole in the handle and valve block are
aligned, insert the dispensing valve handle retaining pin. (Figure CC)
10. Pour sanitizing solution into the mix storage hopper and allow the solution to fill
freezing cylinder. Use a large brush to sanitize all hopper surfaces. (Figure DD)
11. Turn panel switch to “CLEAN” and allow freezer to run for 5 minutes.
12. Open dispensing valve and drain solution. Allow the dasher to push remaining
sanitizer out of the freezing cylinder. Once the sanitizing solution is drained,
turn panel switch to “OFF”.
Figure Z Lubricate Plunger
13. Place a small amount of sanitary lubricant onto another piece of clean paper
toweling. Use a clean piece of paper toweling to pick up the large end
of the carburetor from the bottom of the hopper taking care not to touch the
sanitized carburetor with your bare hand (Figure EE). Apply the lubricant on the
other piece of paper toweling to the two o-rings on the bottom of the carburetor
assembly (Figure EE).
Figure AA Installing Plunger and Spring
14. Place the lubricated carburetor assembly on a clean piece of paper
toweling.
15. Prepare fresh product according to manufacturer’s instructions.
16. Hold open the dispensing valve and pour product (approx. 10 oz.) into the
hopper to allow this product to chase out any remaining sanitizer. Watch the
product flowing out of the dispensing valve and close the valve when the new
mix has purged the sanitizer remaining in the cylinder.
17. Use a clean piece of paper toweling to insert the sanitized carburetor assembly
into the inlet hole in the hopper.
18. Fill mix storage hopper with fresh product. Cover hopper with hopper lid.
19. Turn front panel switch to “ON”. Allow the freezer to reach proper consistency.
Figure BB Insert Valve Handle
Figure CC Insert Retaining Pin
Figure DD Sanitize Hopper
Figure EE Lubricate Carb Tube
Page 10
Model 3311
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Clean-In-Place Procedure (Daily Cleaning)
This equipment has been approved for a Clean-In-Place procedure that does not require complete disassembly on a
daily basis. The unit still requires regular complete disassembly for cleaning and sanitizing. To perform the C-I-P
procedure follow the instruction below:
1. Empty any product in the machine and turn to OFF.
2. Disassemble the dispensing valve assembly following the instructions in Disassembly and Cleaning.
NOTE: Leave the valve block in place. Only disassemble the plunger, handle, spring, o-rings and pin.
3. Remove carburetor assembly from hopper and remove o-rings.
4. Take all components to the cleaning area.
5. Carefully inspect the o-rings for cracks, chips or cuts and replace if necessary.
6. Prepare 1 gallon solution of hot tap water and a good grade of dishwashing detergent.
7. Thoroughly wash all parts including handle, pin, valve plunger, spring, carburetor assembly and all o-rings in
detergent solution.
8. Use a medium sized brush to clean the bottom of the valve body and the inside of the plunger bore with detergent
solution taking care to remove any remaining lubricant.
9. Reassemble following the instructions under Sanitizing and Refilling.
NOTE: Run the unit with sanitizer on “CLEAN” for 20 minutes before draining and refilling.
MAINTENANCE
WARNING: Disconnect power for maintenance. Do not attempt to perform maintenance on the freezer
ƽuntil electrical power has been disconnected.
Suggested Daily Maintenance
1. Clean, lubricate and sanitize the freezer following guidelines.
2. Clean the exterior of the freezer using a soft wet cloth. (Wipe down spinner if attached)
3. Empty drip tray.
Parts Replacement Schedule
Part
Description
Every 3
Months
Every 6
Months
Quantities to
be Replaced
Monthly
Annually
Shaft Seal
Replace
1
1
1
(W0340201 or W0340210)
Drive Shaft
(W0451067)
Inspect & replace if
necessary
Drive Belts
(W0450209)
Inspect & replace if
necessary
Scraper blades on dasher
(if equipped)
Replace
2
1
(W1431084)
Square cut o-ring on valve
body/face plate
(W0340055)
Inspect & replace if
necessary
Front stator flange bearing
(W0430032)
Replace
Replace
1
1
Rear stator flange bearing
(W0430024)
Thick Product
Plunger: 2
Dispense valve o-rings
(W0340022)
Replace
Replace
Standard Product
Plunger: 3
Carb tube o-rings
(W0340011)
2 or 3
Inspect & clean
if necessary
(Air-cooled units only)
Condenser
1
Refer to the Crathco Parts Price List when ordering the above parts
Model 3311
Page 11
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Preventative Maintenance Procedure (Every 6 to 12 Months)
A preventative maintenance visit should be performed every 6 to 12 months depending on the usage and environ-
ment where the unit is placed. (Ex. seasonal machines - once before season, year round machines - twice per year).
The following procedures should be performed during a preventative maintenance visit. This does not take the place
of daily care and cleaning procedures as described by local health codes and the manual. PM kit #W0890157 con-
tains the standard replacement parts needed for preventative maintenance including o-rings, standard seal kit stator
bearings and drive belt. Units with a coconut oil product seal should order all parts separately. Units with scraper
blade dasher will require the scraper blades be ordered separately.
• Verify ventilation is adequate (Air-cooled units: 6” minimum on both sides, open at top, and as far as possible from
dust sources; Water-cooled units: 0” on both sides, 3 -6” at rear of unit and open at top).
• Verify adequate water flow and drain connections on water-cooled versions.
• Check product temperature and consistency for proper setting (refer to product manufacturer’s recommendation) -
adjust if necessary. Where equipped be sure to check the temperature in both the hopper and cylinder.
• Ensure product is being mixed properly and is within specification (check brix - most products should be around
13% - refer to product manufacturer’s recommendations for exact recommended brix).
• Check for any leaks.
• Empty product from the unit. Disassemble unit completely (as if for cleaning).
• Clean and sanitize all disassembled parts following the cleaning instructions in the manual.
• Clean and sanitize hopper, freezing cylinder and splash zones on the machine.
• Check condition of all panels and lids - replace if necessary.
• Check dasher scraper blades for wear if equipped - replace once per year minimum.
• Check dasher for signs of wear - replace if necessary. Verify alignment when replacing.
• Check valve body gasket for wear - replace once per year minimum.
• Check valve body knobs (used to hold valve body in place) - replace if necessary.
• Check condition of shaft seals and stator bearings - replace once per year minimum.
• Inspect drip cup at back end of freezing cylinder for signs of seal leakage.
• Replace o-rings on hopper float (where necessary), dispense valves and carb tubes (lubricate).
• Lubricate parts where appropriate (dispense valve o-rings, carb tube o-rings, rubber boot of stationary shaft seal).
• Re-assemble unit and sanitize hopper and freezing cylinder by running CLEAN cycle.
• Clean and sanitize spinner if equipped.
• Check operation of merchandiser and mode lights - replace light bulbs if necessary.
• Clean reusable filter if equipped. Check condition of filter and replace if necessary.
• Clean condenser.
• Inspect the drive shaft and motor shaft bearings for excessive wear (drive shaft hole rounding out) - replace if
necessary. Verify alignment when replacing.
• Check V-belt tension (should be 1/2” - 5/8”) and verify all set screws are tightened - adjust if out of range. Replace
belt once per year minimum.
• Verify compressor operation and freezer controller operation.
• Check electrical connections (outlet should be properly grounded with amperage capacity equal to or over the
amperage specified on the serial tag).
• Check fan operation (condenser fan) and clean fan blades if necessary.
• Review proper periodic care and cleaning instructions (disassembly, cleaning, sanitizing, lubrication, and
re-assembly) with store personnel. Train store personnel to follow proper procedures (stress importance of store
level maintenance ie. lubrication, filter cleaning, etc.).
• Make sure store personnel have appropriate supplies (lubricant, cleaning brushes and sanitizer) to care for
machine.
Page 12
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How to Clean Condenser (Air-Cooled Unit Only)
NOTE: Loss of refrigeration efficiency will result if condenser is allowed to become dirty. Excessive compressor run
time or loss of capacity are a good indication that the condenser needs to be cleaned.
1. Disconnect electrical power.
2. Remove side panels.
3. Place a damp towel over the side of the condenser opposite the fan motor.
4. Use compressed air or CO2 blow out dirt from the fan side of the condenser. An alternate cleaning method is to
use a condenser brush and vacuum cleaner.
CAUTION: Procedure can create a loud noise.
ƽ
How to Clean Exposed Filter (Air-Cooled Unit Only)
1. Slide exposed filter out of the rails by pulling forward on the filter. It is recommended to remove the filter by using
the palm of your hand and applying even pressure to the face of the filter.
2. Clean filter with liquid soap and water.
3. Soak filter for 15 minutes.
4. Rinse filter with heavy stream of water, opposite the direction of air flow. Allow filter to dry.
5. Slide the filter into the rails until the filter contacts the stop on the top rail.
How to Clean Concealed Filter (Air-Cooled Unit Only)
1. For concealed filters lift lid and pull up on filter tab to remove filter.
2. Clean filter with liquid soap and water.
3. Soak filter for 15 minutes.
4. Rinse filter with heavy stream of water, opposite the direction of air flow. Allow filter to dry.
5. Slide filter into top of filter cover with removal clip up and the air flow arrows facing the existing panel.
How to Adjust Belt
CAUTION: Unplug the machine before performing any adjustments. This procedure must be done by
a qualified technician.
ƽ
Check the belt tension. The proper belt deflection is 1/2” over all. If the deflection
is more than 1/2” the motor will need to be lowered. If the deflection is less than
1/2”, the motor will need to be raised. Follow this procedure to adjust the motor to
achieve proper belt tension. (See Figure FF)
1. Unplug the machine and remove both side and rear panels.
2. Locate the motor flange bearings. These are the side mounted bearings that
hold the motor to the cradle. The motor is double shafted and the shaft
extends through a bearing on each end. The bearing is held to the motor
cradle by two allen bolts on each bearing.
3. Loosen the allen bolts on each bearing. Do not loosen the setscrews that hold
the bearing collar to the motor shaft.
Figure FF
4. Lower the motor or raise the motor as needed. The motor must be kept level
from front to back. Do not lower or
raise only one end of the motor. This will result in excessive belt wear and belt noise.
5. Tighten all four allen bolts down. Align the motor pulley with the top pulley if needed.
6. The motor pulley should be in alignment with the large (driven) top pulley. Use a straight edge along the
top pulley.
7. If the pulleys are not in alignment, loosen the setscrew on the motor pulley and move either in or out as needed.
8. Tighten the setscrew back down on the motor shaft (use of non-permanent loc-tite is recommended). Please be
sure the setscrew is tightened down on the flat surface of the motor shaft.
9. Return the unit back to service.
How to Change Back Lit Sign Merchandiser Bulb
1. Remove the two screws located on the top of either side of the sign.
2. Lower the metal enclosure that frames the merchandiser insert.
3. Pull merchandiser enclosure down and out.
4. Replace bulb inside by pulling bulb straight out of the socket. Firmly insert the new bulb into the socket.
5. Reassemble. For ease of assembly, put merchandiser and plastic lenses in light box before placing metal
enclosure back on.
Model 3311
Page 13
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GENERAL TROUBLESHOOTING
Freezer problems originate from three sources - improper operation, mix problems or mechanical malfunction.
Always check for improper operation and mix problems first, as they are the most common cause of most equipment
problems.
CAUTION: Always disconnect power before attempting any maintenance procedures.
ƽ
Only a qualified service technician should perform electrical and mechanical adjustments or repairs.
PROBLEM
Machine will not run or freeze down
PROBABLE CAUSE
• Machine not plugged in
REMEDY
• Plug machine in
• Circuit breaker tripped or fuse blown
• Machine in CLEAN or OFF position
• Obstructed condenser air flow
(Air-cooled units)
• Reset breaker or replace fuse
• Switch to ON position
• Clean condenser. Allow 6” (15 cm)
on both sides
• Compressor not operating
• Dasher not installed
• Check for cause and correct
• Install dasher (auger)
• Check for leaks, repair and recharge
• Low refrigerant charge
Product too soft
• Consistency setting too loose
• Consistency setting at maximum
(red spring)
• Product BRIX level too high
• Too much alcohol in mix
• Readjust consistency control
• Change to yellow consistency spring
• Lower liquid product BRIX level
• Lower alcohol content
Product too stiff
• Consistency adjuster set too firm
• Readjust consistency setting or change
to red spring
• Increase product BRIX level
• Product BRIX level too low
Product will not dispense
• Power switch OFF
• Inadequate mix in hopper. Red MIX
LOW light on
• Turn power switch ON
• Refill hopper
• Consistency adjuster set too firm
• Carburetor inlet hole clogged
• Drive belt broken or off pulley
• Drive shaft worn
• Readjust consistency setting
• Unclog carburetor inlet hole
• Repair or replace
• Inspect square drive shaft pocket for
excessive wear, replace
• Replace motor
• Drive motor failure
Leakage from drain tube, front of freezer • Worn or defective shaft seal
• Replace seal and then lubricate at
each cleaning
• Remove and install seal
above drip tray
• Seal installed incorrectly
Excessive Dispensing Valve Leaks
Clicking sound from inside machine
• Worn or defective o-ring(s)
• Replace and lubricate
• Low voltage
• Use dedicated circuit with proper
rating
• Connect directly to power source or
use power cord of proper size
• Extension cord is used
Thumping sound from inside machine
Scraping sound during freeze down
• Worn belt
• Replace belt
• Frozen product scraping off of
cylinder walls
• No product in machine
• Sound should go away when product
is frozen to proper consistency
• Fill with product
Premature seal wear
• Incorrect installation of dasher
• Improper drive shaft clearance
• Incorrect shaft alignment
• Advise careful installation
• Adjust to proper
• Align shaft
Merchandiser light flickers when freezer
cycles
• Low voltage
• Connect freezer to dedicated circuit
with proper rating
If you still need help, call our Service Department at (800) 695-4500 (Monday through Friday 8am - 8pm EST) or an authorized service
center in your area. Please have the model and serial number ready so that accurate information may be given. Prior authorization
must be obtained from Grindmaster’s Technical Services Department for all warranty claims.
Page 14
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Model 3311
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Exploded View
Model 3311
115V Air-Cooled Model
ITEM
1
2
3
4
5
6
7
8
PART NO.
W0201272
W0451067
W0380025
W0210106
W0200123
W0200256
W0321029
W0321026
W0210083
W0110013
W0611085
W0450053
W0450209
W0572202
W0570045
W0572290
W0631610
W0631614
W0572452
W0211112
W0340058
W0340007
W0570941
W0430029
W0430024
DESCRIPTION
Cylinder Assembly
Driveshaft, Slush
Bearing, 1” Bore
Base Pan Assembly
Compressor, #AKA171AT032A4, 115V, 3PH, 60HZ
Condenser Coil, Air, CFB
Fan Assembly
Drive Motor Assembly
Frame Assembly
Valve Studs
Nut, 5/18-18 S.S. Hex Nut
Pulley, 10”
Belt, V
Electrical Box Assembly
Ballast
Light Reflector
Front Display Lens
Acrylic Lens
ITEM NO. PART NO.
DESCRIPTION
Valve Body
Valve Square Cut O-Ring
Valve Knob
Valve Handle
Valve Spring
FasPin, Valve
Plunger O-Rings
Pan, Drip Form X-LG
Insert, Drip Pan X-LG
Drip Tray
Drip Pan Bracket
Dasher, Standard
Stator Flange Bearing
Rear Machine Panel
Left Side Panel
Right Side Panel
Slush Plunger, Standard
O-Ring, -115 Buna-N Carb Tube
Light, Indicator LT Red 12V
Shaft Seal Set
Carb Tube, Slush/Cocktail
Hopper Cover
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
W0480450
W0340055
W0630711
W0480445
W0631230
W0611728
W0340022
W0472062
W0472063-2
W0631632
W0472064
W0430026
W0430032
W0520063
W0520107
W0520065
W0480438
W0340011
W0570018
W0340201
W0471075
W0520094
W0570043
W0480451
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Electrical Box Cover
Drain Tube Fitting
Barrell Gasket
#108 Float O-Ring
Mix Low Indicator Float
Stator Rod
Bulb Fluorescent
Thick Product Plunger
Rear Stator Bearing
Page 16
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Exploded View
Model 3311
220V Air-Cooled Model
ITEM
1
2
4
5
6
7
8
9
10
11
12
13
14
15
16
18
19
20
21
22
24
PART NUMBER DESCRIPTION
ITEM
25
26
27
29
30
31
32
33
34
35
36
37
38
39
40
41
42
PART NUMBER
W0470010
W0471076
W0340007
W0211112
W0340058
W0630518
W0641027
W0570941
W0340055
W0480450
W0611728
W0631205
WO480451
W0450053
W0610646
W0450209
W0630711
DESCRIPTION
W0570045
W0600110
W0660060
W0600121
W0600073
W0631903
W0600159
W0801023
W0890218
W0430026
W0340022
WO470076
W0480438
WO610127
WO480455
WO211086
W0520094
W0520065
W0520107
WO520063
W0890187
BALLAST
PAD, NEOPRENE RUBBER
CARB TUBE ASSY, SLUSH/COCKTAIL
O-RING, #108 FLOAT
DRAIN TUBE FITTING
BARREL GASKET
RICHCO HOLE PLUG
DRAIN TUBE HOSE
MIX LOW IND FLOAT
SQUARE CUT O-RING
VALVE BODY
OWNERS MANUAL
PLASTIC SHIPPING BAG
HEADER INSTALL INSTR SHEET
CAUTION RUBBER MAT
SANITIZER PACKETS
WARRANTY CARD
PACKAGING ASSEMBLY
DRIP PAN KIT
STANDARD DASHER
O-RING, #213
LUBRICANT, LUBRIFILM SANITARY
PLUNGER, STANDARD PRODUCT
PANEL SCREWS
HANDLE, VALVE
BALLAST COVER
HOPPER COVER
R.H. SIDE PANEL
L.H. SIDE PANEL
REAR PANEL
STANDARD SEAL KIT
FASPIN
COMPRESSION SPRING
PLUNGER, THICK PRODUCT
10” PULLEY
SCREW, SET, 5/16-18 X 3/8
V-BELT
VALVE KNOB
ITEM NOT SHOWN IN DRAWING
Model 3311
Page 17
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Exploded View
Model 3311
115V Water-Cooled Model
17
ITEM
1
2
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
24
25
26
PART NUMBER DESCRIPTION
ITEM
27
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
PART NUMBER
W0340007
W0211112
W0340058
W0630518
W0641027
W0570941
W0340055
W0480450
W0611728
W0631205
W0480451
W0200180
W0450053
W0610646
W0450209
W0210062
W0620036
W0210051
W0630711
DESCRIPTION
W0570045
W0600110
W0660060
W0600121
W0600073
W0631903
W0600159
W0801023
W0890218
W0430026
W0340022
W0470076
W0480438
W0610127
W0480455
W0631239
W0211086
W0520094
W0520065
W0520107
W0520058
W0890187
W0470010
W0471076
BALLAST
O-RING, #108 FLOAT
DRAIN TUBE FITTING
BARREL GASKET
OWNERS MANUAL
PLASTIC SHIPPING BAG
HEADER INSTALL INSTR SHEET
CAUTION RUBBER MAT
SANITIZER PACKETS
WARRANTY CARD
PACKAGING ASSEMBLY
DRIP PAN KIT
STANDARD DASHER
O-RING, #213
LUBRICANT, LUBRIFILM SANITARY
PLUNGER, STANDARD PRODUCT
PANEL SCREWS
HANDLE, VALVE
SPRING, CONSISTENCY (RED)
BALLAST COVER
HOPPER COVER
R.H. SIDE PANEL
RICHCO HOLE PLUG
DRAIN TUBE HOSE
MIX LOW IND FLOAT
SQUARE CUT O-RING
VALVE BODY
FASPIN
COMPRESSION SPRING
PLUNGER, THICK PRODUCT
CONDENSER ASSEMBLY
10” PULLEY
SCREW, SET, 5/16-18 X 3/8
V-BELT
CONDENSER PAD
BULKHEAD FITTING WITH JAM NUT
WATER LINE SUPPORT BRACKET
VALVE KNOB
L.H. SIDE PANEL
REAR PANEL W/C
STANDARD SEAL KIT
PAD, NEOPRENE RUBBER
CARB TUBE ASSY, SLUSH/COCKTAIL
ITEM NOT SHOWN IN DRAWING
Page 18
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Model 3311
Base Assembly
115V Air-Cooled Model
PART
NUMBER
ITEM
DESCRIPTION
10
20
30
40
50
60
70
80
90
W0210083 FRAME ASSEMBLY
W0201001 COMPRESSOR ASSEMBLY
W0201002 CONDENSER ASSEMBLY
W0321029 FAN SUB-ASSEMBLY
W0321026 DRIVE MOTOR ASSEMBLY
W0210106 BASE PAN ASSEMBLY
W0611410 RIVET, MAGNA-LOK
W0611247 1/4 INT. TOOTH LK. WSHR.
W0611074 1/4-20 HEX NUTS
100 W0611082 5/16-18 FLANGE NUT
110 W0200412 COMPRESSOR SPACER
120 W0200413 COMPRESSOR GROMMET
Drive Motor Assembly (See figure on left)
PART
PART
NUMBER
ITEM
DESCRIPTION
ITEM
DESCRIPTION
NUMBER
1/4 Split Lock
Washer S.S.
10
W0210169 Motor Cradle
70
W0611249
20
30
40
50
60
W0671022 Motor Sound Insul.
W0321025 Motor Stop Bracket
W0320020 Drive Motor
W0380009 Flange Bearing
W0610559 1/4-20 Socket HD
80
90
W0170014 Consistency Control
W0321013 Motor Adj. Nut
100 W0630421 Plastic Clamp
110 W0450016 Pulley
120 W0321027 Pin Sleeve
Model 3311
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Model 3311
Base Assembly
220V Air-Cooled Model
ITEM PART NUMBER
DESCRIPTION
FRAME ASSEMBLY
ITEM
70
PART NUMBER
W0611410
W0611247
W0611074
W0611082
W0200412
W0200413
DESCRIPTION
10
20
30
40
50
60
W0210083
W0201007
W0201002
W0321040
W0321041
W0210106
RIVET, MAGNA LOCK
1/4 INT. TOOTH LK. WSHR.
1/4-20 HEX NUTS
COMPRESSOR ASSEMBLY
CONDENSER ASSEMBLY
FAN SUB-ASSEMBLY
DRIVE MOTOR ASSEMBLY
BASE PAN ASSEMBLY
80
90
100
110
120
5/16-18 FLANGE NUT
COMPRESSOR SPACER
COMPRESSOR GROMMET
Page 20
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Model 3311
Base Assembly
115V Water-Cooled Model
ITEM
10
20
30
40
50
60
70
80
PART NUMBER DESCRIPTION
W0210068
W0201001
W0321026
W0210083
W0611410
W0611082
W0200412
W0200413
BASE PAN
COMPRESSOR ASSEMBLY
DRIVE MOTOR ASSEMBLY
FRAME ASSEMBLY
RIVET, MAGNA LOCK
5/16-18 FLANGE NUT
COMPRESSOR SPACER
COMPRESSOR GROMMET
* See condenser assembly on page 34.
Model 3311
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Model 3311
Electrical Box Assembly
115V Model (AC/WC Units)
2
ITEM
1
PART NUMBER DESCRIPTION
ELECTRICAL BOX
W0572287
W0570044
W0570235
W0630811
W0570603
W0570617
W0570638
W0570651
W0570924
83248
SOCKET, LIGHT-LEVITON
BLOCK, TERMINAL 4
CLIP, CAPACITOR - SMALL
START CAPACITOR
RUN CAPACITOR
RELAY, COMPRESSOR
HEAT SEQUENCER
SWITCH, TOGGLE-SPST
6-32 X 1/4” SCREW
8-32 X 1/4” SCREW
6-32 X 1/4” SCREW
6-32 HEX NUT
SCRW, #8 X 3/8 PH PN T/B ZNC/GN
WASHER, LOCK, #8, EXT. TOOTH
HEYCO SNAP BUSHING
ELECTRICAL BOX LENS
8-32 X 1/4” SCREW
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
22
23
W0610131
W0610015
W086827
61272
83151
W0630006
W0631606
W0610132
W0572032
W0570043
W0572192
W0571000
TRANSFORMER SUB-ASSY
BULB, FLUORESCENT
SUB-ASSY, MIX LOW INDICATOR, WIRE
HARNESS, WIRE, 3311
ITEM NOT SHOWN IN DRAWING
Page 22
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Model 3311
Electrical Box Assembly
220V Air-Cooled Model
ITEM
10
20
30
40
50
60
70
80
PART NUMBER DESCRIPTION
ITEM
150
160
170
180
190
200
210
230
PART NUMBER
83248
DESCRIPTION
W0572287
W0570054
W0570235
W0570635
W0570667
W0570666
W0570651
WO630812
W0570940
W0610015
86827
ELECTRICAL BOX
LIGHT SOCKET
TERMINAL BLOCK
CONTACTOR
6-32 X 1/4 TRUSS HEAD
LIGHTED ELEC. BOX LENS
BULB
CLIP, CAPACITOR (SMALL)
8-32 X 1/4 SCREW
COMPRESSOR RELAY
MIX LOW WIRE SUB-ASSY
WIRE HARNESS 3311
W0631606
W0570055
W0630811
W0610131
W0570876
W0572192
W0571000
RUN CAPACITOR
START CAPACITOR
HEAT SEQUENCER
CLIP, CAPACITOR
TOGGLE SWITCH
6-32 X 1/4 SLOTTED SCREW
6-32 HEX NUT Z/P
#8 GROUND SCREW
#8 EXTERNAL STAR WASHER
HEYCO BUSHING
90
100
110
120
130
140
ITEM NOT SHOWN IN DRAWING
61272
W0611224
W0630006
Model 3311
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Model 3311
Wiring Diagram
115V Air-Cooled Model
ITEM PART NO.
DESCRIPTION
35
36
W0570018 INDICATOR LIGHT
W0570638 COMPRESSOR RELAY
TRANSFORMER
SUB-ASSY
37
W0572032
38
39
40
41
42
43
44
45
46
47
48
W0570651 TIME DELAY RELAY
W0570235 TERMINAL BLOCK
W0570603 START CAPACITOR
W0570617 RUN CAPACITOR
W0572192 MIX LOW SUB-ASSY.
W0572068 POWER CORD
W0630801 TIE WRAPS
W0570045 BALLAST
W0570044 LIGHT SOCKET
W0570043 LIGHT BULB
W0570924 SWITCH
Page 24
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Model 3311
Wiring Diagram
220V Air-Cooled Model
ITEM
47
48
49
50
52
53
55
56
57
58
59
60
PART NUMBER DESCRIPTION
W0570872
W0570651
W0570940
W0570235
W0570871
W0570018
W0570667
W0570666
W0570559
W0570055
W0570054
W0570053
CONTACTOR RELAY
TIME DELAY RELAY
TOGGLE SWITCH
TERMINAL BLOCK
TRANSFORMER
INDICATOR LIGHT
RUN CAPACITOR
START CAPACITOR
COMPRESSOR RELAY
LIGHT BULB
LIGHT SOCKET
50 HZ BALLAST
Model 3311
Page 25
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Model 3311
Wiring Diagram
Water-Cooled Model
ITEM PART NUMBER DESCRIPTION
ITEM PART NUMBER
DESCRIPTION
HIGH PRESSURE
CUT-OUT SWITCH
SWITCH
FLORESCENT LIGHT BULB
LIGHT SOCKET
CORE & COIL BALLAST
POWER CORD
49
W0650428
41
W0570604
RUN CAPACITOR
48
47
46
45
43
42
W0570924
W0570043
W0570044
W0570045
W0572068
W0572192
40
39
38
37
36
35
W0570603
W0570235
W0570651
W0572032
W0570638
W0570007
START CAPACITOR
TERMINAL BLOCK
TIME DELAY RELAY
TRANSFORMER SUB-ASSY
COMPRESSOR RELAY
INDICATOR LIGHT
LOW MIX SUB-ASSY
Page 26
Model 3311
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Model 3311
Compressor Wiring
START CAPACITOR
RUN CAPACITOR
COMPRESSOR RELAY
RED
BLACK
YELLOW
RED
RED
YELLOW
YELLOW
RED
WIRES TO
COMPRESSOR
BLACK
YELLOW
115V Air-Cooled Model
220V Air-Cooled Model
115V Water-Cooled Model
Model 3311
Page 27
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Model 3311
Ladder Diagram
115V Air-Cooled Model
COMPRESSOR
CONTACT
Page 28
Model 3311
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Model 3311
Ladder Diagram
220V Air-Cooled Model
COMPRESSOR
CONTACT
Model 3311
Page 29
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Model 3311
Ladder Diagram
115V Water-Cooled Model
Page 30
Model 3311
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Model 3311 (AC/WC Units)
Spinner Hook-Up
115V Model
Model 3311
Spinner Hook-Up
220V Model
Model 3311
Page 31
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Model 3311
Refrigeration
115V Air-Cooled Model
Page 32
Model 3311
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Model 3311
Refrigeration
220V Air-Cooled Model
Model 3311
Page 33
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Model 3311
Refrigeration
115V Water-Cooled Model
ITEM PART NUMBER DESCRIPTION
ITEM PART NUMBER DESCRIPTION
1
W0200123
W0200250
W0650602
W0620031
W1650401
W0210051
W0200311
W0620031
W0201191
W0201169
W0201009
W0620033
W0620101
W0620053
W0201250
W0201165
COMPRESSOR
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
W0201166
W0201167
W0201162
W0201133
W0650416
W0201164
W0620112
W0650501
W0620103
W0620114
W0620106
--------------
W0201006
W0210008
---------------
---------------
WATER LINE
2
CONDENSER, WATER COOLED
WATER VALVE, 3/8 V-46 AA-1C
BULKHEAD FITTING WITH JAM NUT
HIGH PRESSURE CUT OUT
WATER LINE SUPPORT BRACKET
DRIER CAPILLARY TUBE ASSEMBLY
90 DEG. ELBOW X 3/8 NPT & 3/8 FLARE
SUCTION LINE
COOLANT LINE
3
COOLANT LINE ASSEMBLY
COOLANT LINE
4
5
NEEDLE VALVE
6
WATER LINE
7
3/8 X 3/8 COPPER SWEAT ELBOW
ACCESS VALVE
8
9
3/8” COPPER COUPLE
3/8” COPPER TEE
10
11
12
13
14
15
16
WATER LINE
HOT GAS LINE
1/2 X 3/8 X 3/8 COPPER TEE
HOPPER COOLANT LINE
HIGH SIDE PROCESS TUBE
LOW SIDE PROCESS TUBE
EVAPORATOR LINE
SUCTION LINE
FITTING, 3/8 FLARE X 3/8 NPT
1/4 COPPER SWEAT COUPLING
3/4 NPT X 38 FLARE FITTING
CONDENSER CONNECTION
WATER LINE
Page 34
Model 3311
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Model 3311
Refrigeration Schematic (AC Units)
115V & 220V Models
Model 3311
Page 35
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Model 3311
Refrigeration Schematic
Water-Cooled Model
Page 36
Model 3311
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Model 3311
Page 37
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Grindmaster® Coffee Grinders and Brewers • Espressimo® Espresso Machines • Crathco® Hot Beverage Dispensers
Crathco® Cold and Frozen Beverage Dispensers • American Metal Ware® Coffee and Tea Systems
Tel (502) 425-4776 • Fax (502) 425-4664 • 1-800-695-4500
P.O. Box 35020 • Louisville, KY 40232 • USA
0607 Form # WH-312-03
Part # W0600110
© Grindmaster Corporation, 2004
PRINTED IN USA
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