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Middleby icetro ISI-161TH Operator's Manual

Compact soft serve & frozen yogurt machine
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OPERATOR'S
MANUAL
ISI-161TH
COMPACT SOFT SERVE &
FROZEN YOGURT MACHINE
Operating Instructions
June 2022
ISI-161TH
(Updated for North America July 2024)

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Summary of Contents for Middleby icetro ISI-161TH

  • Page 1 OPERATOR’S MANUAL ISI-161TH COMPACT SOFT SERVE & FROZEN YOGURT MACHINE Operating Instructions June 2022 ISI-161TH (Updated for North America July 2024)
  • Page 2 Complete this page for quick reference when service is required: Taylor distributor: Address: Phone: Fax: E-mail: Service: Parts: Date of Installation: Information found on the data label: Model Number: Serial Number: Electrical Specs: Voltage Cycle Phase Maximum Fuse Size: Minimum Wire Ampacity: Note: Continuing research results in steady improvements;...
  • Page 3 Thank you for purchasing an ICETRO soft serve dessert and frozen yogurt freezer. For correct use and maintenance of this machine, please read the manual carefully. If a problem occurs while using the unit, refer to this manual for troubleshooting. This manual contains a product warranty, so keep it for future reference.

  • Page 4: Table Of Contents

    Table of Contents Section 1 Safety ....................Section 2 Parts Identification ................Section 3 Specifications .................. Section 4 User Interface .................. Check Prior to Use ....................Button Display Names and Functions ..............Modes – Detailed Description of Each Mode Function ......... Check the Setting ....................
  • Page 5 Table of Contents – Page 2 Section 7 Parts List ..................33 Operator Parts ...................... 33 Beater Assembly ....................34 Section 8 Warranty ..................35...

  • Page 6: Safety

    Section 1 Safety Caution and warning symbols are intended to alert [Each symbol has the following meanings] the user and prevent accidents or danger due to improper use. Please familiarize yourself with these This symbol means danger is possible symbols and their meanings accordingly. under certain conditions.
  • Page 7 Stop using the machine, if you find the power For relocation of the equipment, call an cable or any other cable to be defective. Fire or authorized ICETRO distributor. Machine may electric shock may occur. present a tipping hazard unless properly installed. It should be installed in accordance with related regulations such as the road and traffic act, the Do not spray or use any flammable products...
  • Page 8 If you sell or relinquish your ICETRO unit, make sure to provide the correct user’s manual with Do not place containers, utensils, or any it. Without the manual, an accident may occur other items on top of the unit. These can fall into the because of erroneous handing or operation.

  • Page 9: Parts Identification

    Section 2 Parts Identification FRONT AIR VENT WATER FAUCET HOPPER COVER BUTTON DISPLAY DRAW HANDLE FREEZING CYLINDER DOOR NOSE CONE STUD USB PORT AIR FILTER DRIP TRAY LEFT SIDE RIGHT SIDE (854) Figure 1 Model ISI-161TH Parts Identification...
  • Page 10 ACCESSORIES & ATTACHMENTS MANUAL CYLINDER (“DRUM”) BRUSH SCRAPER BLADE FREEZER DOOR GASKET FREEZER DOOR BRUSH FEED TUBE GASKET FEED TUBE DRAW VALVE GASKET FEED TUBE BODY BRUSH BEATER BLADE BEARING FEED TUBE BRUSH FEED TUBE BODY LUBRICANT – FOOD GRADE HOSE O-RING REMOVAL TOOL UNION FITTING...

  • Page 11: Specifications

    Section 3 Specifications CLASSIFICATION SPECIFICATION Product name Soft Serve Machine Model name ISI-161TH Voltage Rating 1 PH, 115V, 60Hz Power consumption 1.35 KW Amps 13 A WIDTH(W) 300 mm (12”) Dimensions DEPTH(D) 838 mm (33”) including lever and feet HEIGHT(H) 838 mm (33”) Cylinder capacity 1.4 L (1.5 qt)

  • Page 12: User Interface

    Section 4 User Interface Check Prior to Use Install machine in a dedicated outlet • Do not obstruct air intake and discharge equipped with a GFCI (Ground Fault Circuit ir suction and discharge must be kept clear for Interrupter) with more than 15 amps optimum cooling performance.

  • Page 13: Button Display Names And Functions

    Button Display Names and Functions ‘DISPLAY WINDOW’ • Displays the progress of soft serve formation in operation. ‘SET’ DEC. INC. • Button is used to change the setting. Press the ‘DEC.’ & ‘INC.’ buttons at the ‘SELECT’ same time for five seconds to lock or unlock the touch buttons.

  • Page 14: Modes Detailed Description Of Each Mode Function

    MODES Detailed description of each mode function ‘AUTO’ Mode’ Making soft serve product AUTO Mode continued… Pour the raw mix or ingredients into the hopper and When soft serve product has been produced, the press the ‘AUTO’ button. The following status compressor will be shut down for a while, and the display will be shown.
  • Page 15 ‘REGENERATION’ Mode If soft serve product sits in the freezing cylnder and is not dispensed, product appearance will deteriorate. In this case you can use the ‘Regeneration’ function to improve appearance. Figure 10 Press the ‘DEFROST’+‘AUTO’ button at the same time for more than 2 seconds.

  • Page 16: Check The Setting

    To check ‘PASTEURIZE’ mode temperature setting For your information Current temperature and duration of pasteurization While the ‘PASTEURIZE’ function is process are indicated, Press ‘SELECT’ button to display the Control Temperature in the hopper and operating, do not touch cover or hopper beater cylinder.

  • Page 17: Check The Record

    Display items can be changed with the ‘DEC.’,‘INC.’ buttons. To check the date, there has to be at least one record. Press the ‘SELECT’ button shortly to see the year, month and date. Multiple records can be viewed using the ‘DEC.’ and ‘INC.’ buttons. Figure 19 The version No.

  • Page 18: Change The Setting

    3-1 : Adjust viscosity set point. This item is used to adjust the viscosity set point by amperage draw (current draw) in product formation stages such as first, Run, Draw and After draw. The larger the number is, the harder the soft serve level Figure 29 is.
  • Page 19 Important The soft serve level is configured to the default factory setting and shall be adjusted depending Figure 35 on the raw materials. Adjust the settings upon consulting with the installation engineer when 3-6: The time and date of the internal changing the soft serve level.

  • Page 20: Operating Procedures

    Section 5 Operating Procedures Making soft serve 4. Operate the machine by pressing the AUTO button. 1. Open hopper cover and put in the correct amount of ingredients. STAND- MIX- STAND- BOILIN AUTO STOP REGENERATI Figure 40 5. Open the feed tube hole after ice cream is fully formed.

  • Page 21: How To Pasteurize Soft Serve

    How to pasteurize the soft serve 1. Cover the feed tube hole inside the hopper. Figure 43 ※Caution: Figure 41 After pasteurization, to prevent feed tube clogging, please make sure to clean feed tube 2. Press the ‘PASTEURIZE’ button. and fill the hopper with the ingredients as the condition of initial operation.

  • Page 22: Improving Soft Serve Consistency

    Improving soft serve product 3. Insert the feed tube back after defrosting is complete and cover the hole. consistency When you move to 'AUTO' mode after 'STAND- BY' mode, please make sure to clean the feed 1. Remove the feed tube from the hopper. tube and feed tube body so you can see the feed tube hole.

  • Page 23: Soft Serve Dispense Speed Control

    Soft serve dispense speed control ※ After setting up the adjustment bolt position, 1. By adjusting 'Screw Adjust' at the bottom of the tighten the set nut ‘a’ to fix the 'Screw Adjust' lever (out lever), you can adjust the discharging position and maintain constant dispensing speed of the soft serve.

  • Page 24: Adjustment Method For Feed Tube

    Figure 56 shows the feed tube aligned with a large Adjustment method for Feed Tube hole. The feed tube is made up of two parts. FEED TUBE BODY Figure 53 The part that is inserted into the hole of the hopper is called the body and a tube is inserted into this.

  • Page 25: Cleaning Method

    Figure 58 shows the feed tube aligned with a Open the cover of the hopper, then remove and clean the feed tube (the body), and agitator medium hole. paddle. Feed Tube Figure 60 3. Remove the drip tray and place drain bin under Figure 58 the opening.
  • Page 26 PIVOT PIN DRAW VALVE Figure 66 Figure 63 10. Using a brush, clean the inside of the draw valve 6. After process, press the WASH button to release hole on the freezing cylinder door and remove the water and rinse the machine with clean any remaining moisture with a soft towel.
  • Page 27 Condenser and filter cleaning method 1. Filter Cleaning method The filter is located at the bottom front of the unit, below the drip tray. (See item 3 in Figure 70) Lift and remove the drip tray and splash guard, then gently pull out the filter. Figure 71 3.

  • Page 28: Unpacking And Installation

    Unpacking Location and Precautions for Installation This soft serve freezer has been fully inspected and 1. Avoid sloping or irregular surface. tested at the factory prior to shipping. If you detect Installation on a sloping or irregular surface may damage to the wooden package or apparent result in machine overturning, malfunction, or distortion of the shape of the system after unpacking failure.
  • Page 29 Water Supply Connection Electrical connection 1. Insert rubber packing in the corrugated tube nut 1. Connect the main power for single-phase power of the feed water line and join it to the water inlet distribution box. at the bottom. Tighten the nut firmly with a tool. 2.

  • Page 30: Beater And Beater Cover Assembly Method

    Beater and beater cover assembly Beater cover assembly: method 1. Apply some food grade lubricant on the O-rings of the piston (draw valve) and slowly insert the Beater assembly: piston into the piston hole making sure its head is horizontal to the beater cover (freezer cylinder 1.
  • Page 31 4. Assemble the mixing shaft and the beater bearing. 5. Fully tighten the 4 beater cover nut studs. Soft serve product may leak if they are not fully tightened. MIXING SHAFT BEATER BEARING FREEZER DOOR STUD NUT Figure 83 Figure 82 Model ISI-161TH Operating Procedures...

  • Page 32: How To Upgrade The Program

    How to upgrade the program 1. Download the program from our website or the customer service center of the company to a USB driver. 2. Insert the USB memory stick into the USB port on the front of the product. 3.

  • Page 33: How To Download New Software To Usb Memory Stick

    How to download new software to USB memory stick For your information How to write a new software on USB memory stick. • If upgrade is not complete within 30 minutes, turn off the power, insert the USB 1. Copy new software on the USB memory stick to memory again, and turn it on again.

  • Page 34: Troubleshooting Guide

    Section 6 Troubleshooting Guide 3. Powdered ingredients must be mixed manually Cautions for operation of soft and slowly. serve machine If the powdered ingredients are mixed fast using mechanical means, too much oxygen will be 1. We highly recommend using the proper liquid mixed into the final product, which causes ingredients.

  • Page 35: Before Requesting Service

    Before requesting service The product freezer can operate abnormally because you are not familiar with the method for use or due to another insignificant reason. It does not necessarily mean a malfunction. In this case, check the following items to resolve a simple problem on your own without the help from your distributor. If you still can’t resolve it after checking the following items, please contact your nearest Taylor distributor.

  • Page 36: Replacement Cycle Of Consumable Parts

    State Please check There are lumps of milk If the ingredient has too much milk fat, lumps may formed. fat in the product. The feed tube hole needs to be smaller if you serve fewer cups of soft serve per unit hour. Try defrosting and resuming soft serve production if soft serve appears to be too thin.

  • Page 37: Error Codes And Corrective Actions

    Error codes and corrective actions The soft serve freezer may malfunction due to incorrect operation procedure or a trivial cause other than machine defect or failure. If the following corrective actions fail to correct the problem, or the error code is not presented below, or the same error persists, contact the nearest Taylor distributor.

  • Page 38: Parts List

    Section 7 Parts List Operator Parts Figure 86 ITEM DESCRIPTION Part No. ITEM DESCRIPTION Part No. Hopper Cover 317140700 Air Filter 640007800 Water Faucet 241000100 Shield - Splash 336027900 Air Vent 317185800 Tray - Drip 336027800 Back Panel 317180700 Side Panel - Left 317180500 Side Panel - Right 317180600...

  • Page 39: Beater Assembly

    Beater Assembly Figure 87 ITEM DESCRIPTION Part No. ITEM DESCRIPTION Part No. Draw Handle 309005400 Cap – Design 388008200 Draw Valve 303304600 O-ring – Lever Shaft 303020000 Shaft - Pin 315002900 Pin - Pivot 314040300 O-ring – Draw Valve, Upper 303039500 Baffle 314015601...

  • Page 40: Warranty

    Section 8 Warranty If the warranty is not registered through your distributor, or if it is hard to determine the date of purchase due to other reasons, warranty is applied after 6 months from the manufacturing date. Free repair 1. Error in performance or functionality during normal operation before the warranty expires Billable repair 1.
  • Page 41 Notes:...

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Icetro isi-161ti

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