icetro ISI-161 Service Manual
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icetro ISI-161 Service Manual

icetro ISI-161 Service Manual

Soft serve freezers
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Original Service Instructions
Model ISI-161
Soft Serve Freezers
SERVICE
MANUAL
8/25/23 (Original Publication)

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Summary of Contents for icetro ISI-161

  • Page 1 SERVICE MANUAL Model ISI-161 Soft Serve Freezers Original Service Instructions 8/25/23 (Original Publication)

  • Page 2: Table Of Contents

    ASSY CSR BOX..........4-8 DASHER ASSY(Model ISI-161)........4-9 DISPLAY PANEL ASSY.

  • Page 3: Section 1: Introduction

    Section 1: Introduction • Safety • Model ISI-161 Specifications • Running Specifications • General Installation Instructions • Environmental Notices • User Interface Introduction Models ISI-161...

  • Page 4: Safety

    If there is water inside the power cord or process it for use. an earth leakage circuit breaker It can cause fires. turn off the earth leakage circuit breaker and dry it before use. It can cause electrical shocks or fires. Models ISI-161 Introduction...
  • Page 5 Otherwise, it can cause malfunctions • Clean the filter periodically. Otherwise, the cooling performance will degrade. • Comply with the user guideline suggested by the maker. Otherwise, it can cause malfunctions. Don’t let a person who was not educated. Introduction Models ISI-161...
  • Page 6 This appliance shall be that access to the service area is restricted to persons having knowledge and practical experience of the appliance, in particular as far as safety and hygiene are concerned. Models ISI-161 Introduction...

  • Page 7: Model Isi-161 Specifications

    INTRODUCTION Model ISI-161 Specifications This machine may be manufactured in other electrical Freezing Cylinder characteristics. Refer to the local Taylor distributor for availability. (For exact electrical information, always see One, 1.5 qt. (1.4 L) the data label of the machine.)
  • Page 8 MIX TANK COVER BU TTON DISP LAY LEVER DASHER C OVER DASHER C OVER BO LT USB PO RT AIR FI LTER DRAIN BOX LE F T S ID E RI G HT S ID E (854) Models ISI-161 Introduction...

  • Page 9: Running Specifications

    80.6º 27º (2,041kPa ~ 2,248kPa) 325 ~ 355 Low Side (Suction) 100.4º 38º (2,241kPa ~ 2,448kPa) Suction pressure equals expansion valve setting. High Side (Discharge) High side pressure varies for air-cooled machines, depending on the ambient temperature. Introduction Models ISI-161...

  • Page 10: General Installation Instructions

    • Authorized service personnel should consult OSHA Standard 29CFRI910.147 or the applicable code of the local area for the industry standards on lockout/tagout procedures before beginning any installation or repairs. Models ISI-161 Introduction...
  • Page 11 Failure to follow these instructions may result in WARNING! This machine must be properly electrocution or equipment damage. grounded! Failure to do so can result in severe personal injury from electrical shock! Introduction Models ISI-161...
  • Page 12 Please recycling, and reclaiming systems. If you have any ques- see the applicable national, state, and local codes for tions regarding these laws, please contact the factory determining the proper configuration. service department. 1-10 Models ISI-161 Introduction...
  • Page 13 Failure to follow this instruction may result in per- sonal injury or death from electrical shock or hazardous moving parts, as well as poor performance or damage to the machine. Introduction 1-11 Models ISI-161...

  • Page 14: Environmental Notices

    NOISE LEVEL: Airborne noise emission does not exceed 78 dB(A) when measured at a distance of 1.0 meter from the surface of the machine at a height of 1.6 meters from the floor. 1-12 Models ISI-161 Introduction...

  • Page 15: User Interface

    ‘DEFROST’ (‘DEFROST’+‘ A UTO’) Used when defrosting ● the soft ice cream. ‘REGENERATION’ ‘AUTO’ (‘DEFROST’+‘ A UTO’) Button is used to make ● Used when the Soft ● soft ice cream. ice cream solution is watery. Introduction Models ISI-161 1-13...
  • Page 16 Auto mode is locked out and the freezer will be placed in the Standby mode. To initiate the refrigeration system, add mix to the mix hopper and touch the Auto button .The freezer will automatically begin operation. 1-14 Models ISI-161 Introduction...

  • Page 17: Section 2: Controls

    Section 2: Controls • Description of the functional buttons • Explanation of the button function Controls Models ISI-161...

  • Page 18: Description Of The Functional Buttons

    [ T e m p e r a t u r e ] ③ 8 . 2 °C H o p p e r : - 6 . 2 °C D r u m : Models ISI-161 Controls...
  • Page 19 [ D e f r o s t ] C y l i n d e r : - 6 . 2 °C N o w 8 . 0 °C S e t R e m a i n : 1 m i n Controls Models ISI-161...
  • Page 20 Standy-by the cylinder after completing ‘PASTEURIZE’ [ H e a t S t a n d b y ] D r u m 66 . 2 °C N o w 5 . 0 °C S e t Models ISI-161 Controls...
  • Page 21 1 . 0 The time and date set for the product are displayed. [ C u r r e n t t i m e ] 2 0 1 2. 1 2. 1 7 : 0 1 : Controls Models ISI-161...
  • Page 22 2 0 1 2 . 0 9 . 2 2 . I 5 : I 5 S u c c e s s [ H e a t F a i l ] T o t a l : Models ISI-161 Controls...

  • Page 23: Explanation Of The Button Function

    1 . 8 A [ 3 - 2 ] S e t t i n g C u r r e n t ④ A f t e r 0 . 7 A D r a w Controls Models ISI-161...
  • Page 24 Category ‘4’ is reset to the default setting. [ 4 - 0 ] M o d e l S e l e c t I S I S – 2 7 3 T H C _ I A A Models ISI-161 Controls...
  • Page 25 [ 4 - 8 ] L i m i t L e v e l ( A U T O ) : + 0 . 8 A Controls Models ISI-161...
  • Page 26 If pasteurization continues until the time set for this C e l s i u s F a h r e n h e i t category, pasteurization failure is recorded and the machine needs to be checked for problems 2-10 Models ISI-161 Controls...
  • Page 27 3 . B u t t o n B a n 6 0 s e c When voltage is 3W, 3 phases, voltage shall be adjusted based on the phase voltage. 4-18-2: Refresh time setting Set the refresh’s Operating time. Controls Models ISI-161 2-11...
  • Page 28 The compressor is operated when the temperature C l e a n i n g reaches the temperature that has been set for this 5 . L o c k F r e e z e r o f f category. 2-12 Models ISI-161 Controls...
  • Page 29 5 . O v e r 4 0 C - 5 . 0 C reach the operation temperature. Then setting the rest time for the agitator can control Controls Models ISI-161 2-13...
  • Page 30 [ 4 - 3 2 ] S e n s i n g M i x 1 . M i x L o w L e v e l : 2 . M i x O u t L e v e l : 2-14 Models ISI-161 Controls...
  • Page 31 4 . O v e r T i m e 5 s e c S t a n d b y 2 . M i x O u t 3 . V e n d E r r o r Controls Models ISI-161 2-15...
  • Page 32 1 . B u t t o n U s e 2 . A u t o S t a n d b y 3 . S t a n d b y C y c l e : 1 d a y 2-16 Models ISI-161 Controls...
  • Page 33 Either : At the operation of either the freezing valve or refrigeration valve, the compressor starts to operate. Drum on : Only when the freezing valve operates, refrigeration valve starts to operate. Controls Models ISI-161 2-17...
  • Page 34 E q u a l i z e r 3 . V a l v e C l o s e 1 m i n 4 . C o m p . W o r k 0 s e c 2-18 Models ISI-161 Controls...
  • Page 35 D i s c h a r g e T e m p 1 0 . 0 °C resale 3 . O p e r a t e T e m p : Set up the reference current for deciding ‘LOW’ in resale Controls Models ISI-161 2-19...
  • Page 36 9-9-4: Initial hot gas valve cycle operating time set up C u r r e n t Set up the time applied to the cycle operation of ‘ 9- - 0 . 2 A 9-2’ and ‘ 9-9-3’ . 2-20 Models ISI-161 Controls...
  • Page 37 2 . S p e e d C o n t r o l 3 . P o s i t i o n S e t O f f 1 1 1 1 2 . I t e m - 9 O f f Controls Models ISI-161 2-21...
  • Page 38 When recycled, however, overrun can drop and ejection amount can be different. ●The password of this item can be assigned to the technicians authorized by the manufacturer under proper security procedures. Releasing the password can be subject to legal punishment. 2-22 Models ISI-161 Controls...
  • Page 39 (Cooling Cycle) FREEZING CYLINDER EXPANSION VALVE SOLENOID VALVE LIQUID RECEIVER CAPILLARY CONDENSER FILTER DRYER SOLENOID VALVE ACCUMULATOR CHECK VALVE(→) CAPILLARY STRAINER FAN P SWITCH CHECK VALVE(→) 4-WAY VALVE EXPANSION VALVE PRESSURE SWITCH COMPRESSOR SOLENOID VALVE CHECK VALVE(→) Models ISI-161 Controls 2-23...
  • Page 40 EXPANSION VALVE SOLENOID VALVE LIQUID RECEIVER CAPILLARY CONDENSER FILTER DRYER SOLENOID VALVE ACCUMULATOR CHECK VALVE(→) CAPILLARY STRAINER FAN P SWITCH CHECK VALVE(→) 4-WAY VALVE EXPANSION VALVE PRESSURE SWITCH COMPRESSOR SOLENOID VALVE Hea�ng Bypass Flow CHECK VALVE(→) Models ISI-161 2-24 Controls...

  • Page 41: Refrigeration Schematic Ii

    CONTROLS Refrigeration Schematic II Normal operation Sterilization operation Models ISI-161 Controls 2-25...

  • Page 42: Section 3: Troubleshooting

    Section 3: Troubleshooting • General Troubleshooting Guide • Bacteria Troubleshooting Troubleshooting Models ISI-161...

  • Page 43: General Troubleshooting Guide

    If there is no problem w ith the Automatically Er19 Eva. Sensor Op. EVA sensor OPEN Operation connection, replace the sensor. deactivated If there is no problem w ith the Automatically Er20 Eva. Sensor St. EVA sensor SHORT Operation connection, replace the sensor. deactivated Models ISI-161 Troubleshooting...
  • Page 44 Remove foreign object from the Er46 Door Close Er. Door close error Reset pow er Stop door. Er47 Coin Mechanism Coin part error Empty coins. Reset pow er Stop Er48 Bill Validator Bill part error Empty bills. Reset pow er Stop Troubleshooting Models ISI-161...
  • Page 45 If the w iring is ok, replace the Automatically Er60 Invertor Comm. Invertor communication error Stop invertor. deactivated Control PCB communication If the w iring is ok, replace the Automatically Er61 Control Comm. Stop error Control PCB. deactivated Models ISI-161 Troubleshooting...

  • Page 46: Bacteria Troubleshooting

    Inspect O-rings for holes or tears. O-rings, seals and other wear items must be supplied by the freezer company to meet food industry standards. c. During the operating hours, periodically inspect the rear drip pan for excessive leakage. Troubleshooting Models ISI-161...
  • Page 47 (3.9°C). Storage temperatures above 45°F (7.2°C). Will allow cell division in as little as 1 hour. f. Once the mix is placed in the hopper, covers must be properly installed to maintain adequate refrigeration and to prevent airborne contaminants from entering the mix. Models ISI-161 Troubleshooting...

  • Page 48: Section 4: Parts

    Section 4: Parts • Parts Warranty Explanation • Model ISI-161TH Exploded View • Operator Parts(Model ISI-161TH) • Assy Total Control Box(Model ISI-161TH) • Assy CSR Box • Dasher Assy(Model ISI-161)) • Display Panel Assy • Assy Piston Sensor Parts Models ISI-161...
  • Page 49 15. If a person other than an authorized engineer from the manufacturer repairs or modifiesthe product. 16. If malfunction is caused by failure to follow the "Safety warning / caution" on the operating manual. 17. If the water supply pipe froze and burst. Models ISI-161 Parts...

  • Page 50: Model Isi-161 Exploded View

    PARTS Model ISI-161TH Exploded View 208~240V, 50/60Hz 115V, 60Hz Parts Models ISI-161...
  • Page 51 FRONT COVER DOWN 317180200 4 WAY VALVE COIL 340013000 (208~240V, 50/60Hz) PACKING FRONT COVER 303034400 PRESSURE SWITCH 355020100 FRONT TOP PANEL 317180100 SOLENOID VALVE COIL 340029100 GROMMET BUSHING 232003500 (115V, 60Hz) SOLENOID VALVE COIL 340013100 (208~240V, 50/60Hz) Models ISI-161 Parts...
  • Page 52 PACKING PUMP BODY (P14) 303024800 307005800 (208~240V, 50/60Hz) SENSOR BASE 655010600 BELT V S 307005900 ((208~240V, 50/60Hz) ASSY SENSOR CAP 319008900 E RING AGITATOR 303034900 TOP COVER DUCT GUIDE 317180800 WASHER BEARING 211003600 SHAFT DOWN BEARING 314013000 Parts Models ISI-161...

  • Page 53: Operator Parts (Model Isi-161)

    WATER VAVLE 241000100 DRAIN BOX UP 336027900 DUCT COVER ASSY 317185800 DRAIN BOX 336027800 SIDE PANEL L 317180500 BACK PANEL 317180700 SIDE PANEL R 317180600 AGITATOR IMPELLAR 390001400 BOLT DASHER COVER 317072600 ASSY CARBURETOR 729003400 FOOT RUBBER 302006600 Models ISI-161 Parts...

  • Page 54: Assy Total Control Box(Model Isi-161Th)

    PARTS Assy Total Control Box(Model ISI-161TH) Item Description Part No. Item Description Part No. CONTROL BOX 374139200 ASSY MAIN PCB 415010000 MAGNETIC CONTACTOR 322002201 GROMMET BUSHING 232003500 (115V, 60Hz) MAGNET 322002300 (208~240V, 50/60Hz) Parts Models ISI-161...

  • Page 55: Assy Csr Box

    (208~230V, 60Hz) RUN CAPACITOR 659018900 RUN-CAPACITOR 659010500 START CAPACITOR 659019000 START CAPACITOR 659007200 START-RELAY 357019500 START RELAY 357013800 RUN CAPACITOR Item Description Part No. ASSY CSR BOX 426066800 (220V~240V, 50Hz) RUN CAPACITOR 659016900 START CAPACITOR 659017300 START-RELAY 357018100 Models ISI-161 Parts...

  • Page 56: Dasher Assy(Model Isi-161)

    PARTS Dasher Assy(Model ISI-161) Item Description Part No. Item Description Part No. AL LEVER 309005400 STAR MADE 388003200 PISTON 161TH 303034600 O-RING LEVER SHAFT 303020000 SHAFT PIN 315002900 DASHER LEVER SHAFT 314040300 PACKING PISTION AN 213 303039500 MIXING SHAFT 314015601...

  • Page 57: Display Panel Assy

    PARTS Display Panel Assy Item Description Part No. Item Description Part No. BADGE-TAYLOR 380166900 ASSY BUTTON DISPLAY PANEL 420043700 ASSY DISPLAY PCB 415010100 BUTTON DISPLAY 440032202 Models ISI-161 4-10 Parts...

  • Page 58: Assy Piston Sensor

    PARTS Assy Piston Sensor Item Description Part No. Item Description Part No. MICRO SWITCH 355008200 SCREW MACHINE AAAA01060 BKT GUIDE SENSOR 301158900 Parts Models ISI-161 4-11...

  • Page 59: Accessories

    PARTS Accessories Item Description Part No. Item Description Part No. PACKING REMOVE HANDLE 233000300 HAYNES 221000200 Models ISI-161 4-12 Parts...

  • Page 60: Brushes

    PARTS Brushes Item Description Part No. Item Description Part No. BRUSH CYLINDER 388004200 BRUSH 3 388001000 BRUSH COVER 388001800 BRUSH CARBURETOR OUT 388001900 Parts Models ISI-161 4-13...

  • Page 61: Repair For Refrigerant Lines

    Add a trace of refrigerant to the system (if using an electronic leak detector), and then raise the pressure using nitogen gas (140PSIG). DO NOT use R-404A as a mixture with pressurized air for leak testing. 4-14 Models ISI-161 Parts...

  • Page 62: Replacement The Parts

    13) Vacuum the system and inject the refrigerant. 14) Connect the terminal and assemble the terminal cover on its position. 15) Close the side door. 16) Turn on the power of ELCB. Parts 4-15 Models ISI-161...
  • Page 63 17) Connect the harness to the fan motor. 14) Turn on the power of ELCB. 18) Tighten the screws on the back panel cover. 19) Close the side door. 20) Turn on the power of ELCB. 4-16 Models ISI-161 Parts...
  • Page 64 10) Tighten the seven screws from the fan motor cover. 11) Tighten the six screws from the duct out panel. 12) Connect the harness to the fan motor. 13) Tighten the screws on the back panel cover. 14) Turn on the power of ELCB. Parts 4-17 Models ISI-161...
  • Page 65 Section 5: Parts List • ISI-161TH Parts Models ISI-161...
  • Page 66 ISI-161TH ISI-161TH- ISI-161TH- ISI-161TH- ISI-161TH- ISI-161TH- Part TRUS- TRUS- TRINT- TRINT- TRINT- Description Warr. Class Rem arks Num ber 60-1-4 260-1-4 60-1-4 50-1-4 50-1-2 Qty. Qty. Qty. Qty. Qty. 4 WAY VALVE BODY 340012400 4 WAY VALVE COIL 340013000 AGITATOR SEALING PACKING 303020700 AGITATOR TOP PACKING TWO 303018600...
  • Page 67 ISI-161TH- ISI-161TH- ISI-161TH- ISI-161TH- ISI-161TH- Part TRUS- TRUS- TRINT- TRINT- TRINT- Description Warr. Class Rem arks Num ber 60-1-4 260-1-4 60-1-4 50-1-4 50-1-2 Qty. Qty. Qty. Qty. Qty. ASSY HOUSING SHAFT 430003600 ASSY PISTON SENSOR 430003701 MICRO SWITCH 355008200 BKT GUIDE SENSOR 301158900 SCREW MACHINE AAAA01060...
  • Page 68 ISI-161TH- ISI-161TH- ISI-161TH- ISI-161TH- ISI-161TH- Part TRUS- TRUS- TRINT- TRINT- TRINT- Description Warr. Class Rem arks Num ber 60-1-4 260-1-4 60-1-4 50-1-4 50-1-2 Qty. Qty. Qty. Qty. Qty. BUSH AGITATOR 336029000 BUTTON DISPLAY BASE 349094000 COMP/NT6222GKV 394022600 COMP/NT6222GKV 394021100 COMP/NT6224GK 394020800 COND OUT DUCT 301161600...
  • Page 69 ISI-161TH- ISI-161TH- ISI-161TH- ISI-161TH- ISI-161TH- Part TRUS- TRUS- TRINT- TRINT- TRINT- Description Warr. Class Rem arks Num ber 60-1-4 260-1-4 60-1-4 50-1-4 50-1-2 Qty. Qty. Qty. Qty. Qty. FAN MOTOR ASSY(JH225C4E02) 406021500 FILTER DRYER 372002601 FOAM BACK 306040400 FRONT COVER DOWN 317180200 FRONT TOP PANEL 317180100...
  • Page 70 ISI-161TH- ISI-161TH- ISI-161TH- ISI-161TH- ISI-161TH- Part TRUS- TRUS- TRINT- TRINT- TRINT- Description Warr. Class Rem arks Num ber 60-1-4 260-1-4 60-1-4 50-1-4 50-1-2 Qty. Qty. Qty. Qty. Qty. POM FLANGE 397002400 PRESSURE SWITCH 355020100 PRESSURE SWITCH/SRT1008 355015100 PULLY R 307005800 SENSOR BASE 655010600 SHAFT AGITATOR-141TH...
  • Page 71 ISI-161TH- ISI-161TH- ISI-161TH- ISI-161TH- ISI-161TH- Part TRUS- TRUS- TRINT- TRINT- TRINT- Description Warr. Class Rem arks Num ber 60-1-4 260-1-4 60-1-4 50-1-4 50-1-2 Qty. Qty. Qty. Qty. Qty. TURBO FAN MOTOR COVER 301161500 TURBO FAN MOTOR COVER 301156000 USB DOWNLOAD PCB 367009304 VESSEL NUT 215020000...
  • Page 72 Section 6: Wiring Diagrams Parts Models ISI-161...
  • Page 73 Wiring Diagrams Models ISI-161 Wiring Diagrams...

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