1. Manuals
  2. Brands
  3. Vogt Manuals
  4. Ice Maker
  5. TUBE-ICE P-34AXL
  6. Service manual

Vogt TUBE-ICE P-34AXL Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
P-34AXL
&
P34AXLOF
®
TUBE-ICE
MACHINE
Service Manual
$50
00
11/30/04

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the TUBE-ICE P-34AXL and is the answer not in the manual?

Questions and answers

Related Manuals for Vogt TUBE-ICE P-34AXL

Summary of Contents for Vogt TUBE-ICE P-34AXL

  • Page 1 P-34AXL & P34AXLOF ® TUBE-ICE MACHINE Service Manual 11/30/04...
  • Page 2 IMPORTANT: The Warranty Registration/Start-Up Report found in the front of this manual is to be completed and returned to the factory promptly after the official start-up. Please return to: Vogt Tube-Ice LLC 1000 W. Ormsby, Suite 19 Louisville, KY 40210 Att. Tube-Ice Service Department...
  • Page 3 ® ® Vogt Tube-Ice Machine MID & LARGE MACHINE WARRANTY REGISTRATION/START-UP REPORT MUST COMPLETE AND RETURN TO INITIATE WARRANTY Machine Model No. ________________________________ Serial No. ____________________________________________ Installed at: ____________________________________________________________( )_______________________________________ Company Name Phone _______________________________________________________________________________________________________ Address City State ______________________________________________________________________________________________________ Installed by: ___________________________________________________________(...
  • Page 4 Sales - (502) 635-3000 Service - (502) 635-3510 Parts - Your Local Distributor or the Tube-Ice parts Department Call your local distributor first for all of your parts and service needs. Since 1938, Manufacturers of Quality Tube-Ice ® Machines...
  • Page 5 ® VOGT ® TUBE-ICE MACHINES Installation, Service Manual, and Parts Catalog #12A4171L20 P34AL-15 & P34ALOF-15 Model Vogt Tube-Ice 1000 W. Ormsby, Suite 19 Louisville, Kentucky 40201 502-635-3000 FAX #502-634-0479 11/30/04...

  • Page 6: Table Of Contents

    MACHINES Model P34AL-15 & P34ALOF-15 Page No. 1. INTRODUCTION A Brief History Of Our Company ..........................1-1 Vogt Energy-Savings Tube-Ice® Machines ........................1-1 Preview ..................................1-1 Important Safety Notice..............................1-2 Safety Symbols and What They Mean ..........................1-2 Special Precautions To Be Observed When Charging Refrigeration Systems ..............1-3 ®...
  • Page 7 Rotation Check ................................3-13 Auxaliary Controls or Equipment...........................3-14 Interconnecting Piping for Vogt P34AL-15 and Dedicated High Side, FIGURE 3-11 ..........3-15 Interconnecting Piping for Vogt P34AL-15 and Central High Side, FIGURE 3-12............3-16 Interconnecting Piping for Vogt P34ALOF-15 and Central High Side, FIGURE 3-13..........3-17 Interconnecting Piping for Vogt P34ALOF-15 and Central Screw Compressor, FIGURE 3-14........3-18...
  • Page 8 P34AL-15 & P34ALOF-15 Service Manual TABLE OF CONTENTS Page No. 6. ELECTRICAL CONTROLS & THEIR FUNCTIONS Bin Level Control ................................6-1 Safety Switches ................................6-1 Control Panel (Door Opened), FIGURE 6-1........................6-2 Description of Control Panel Parts (Inside), TABLE 6-1 ....................6-2 Control Panel (Door Closed), FIGURE 6-2........................6-3 Description of Control Panel Parts (Outer Door), TABLE 6-2..................6-3 Electrical Schematic All Voltages 50-60 Hz.
  • Page 9 P34AL-15 & P34ALOF-15 Service Manual TABLE OF CONTENTS Page No. 9. SERVICE OPERATIONS Automatic Blowdown (Harvest Cycle)..........................9-1 Cleaning the Ice Making Section...........................9-1 Float Valve (Make-Up Water) ............................9-1 Float Switch...................................9-1 P34AL-15 and P34ALOF-15 Float Height, FIGURE 9-1, TABLE 9-1 ................9-2 Hand Expansion Valve ..............................9-2 Freeze Timer..................................9-2 Miniature Rocker Switch Settings for Freeze Timer, TABLE 9-2 ................9-3 Entering and Displaying Setpoints ..........................9-3...
  • Page 10 P34AL-15 & P34ALOF-15 Service Manual TABLE OF CONTENTS Page No. Circulating Water Pump Motor .............................9-21 The Thaw Gas Solenoid Valve ............................9-22 Thaw Gas Solenoid Valve, FIGURE 9-7........................9-22 The Liquid Feed Solenoid Valve ...........................9-23 The Liquid Feed Solenoid Valve, FIGURE 9-8......................9-23 The Thaw Chamber Check Valve..........................9-24 The Thaw Chamber Check Valve, FIGURE 9-9 ......................9-24 Water Flush Solenoid Valve ............................9-24...

  • Page 11: Introduction

    P34AL-15 & P34ALOF-15 Service Manual INTRODUCTION 1. Introduction Henry Vogt Machine Co. A Brief History Of Our Company. Henry Vogt Machine Co. was founded as a small machine shop in Louisville, Kentucky in 1880. In 1938, Vogt built the first Tube-Ice ® machine and revolutionized the ice-making industry.

  • Page 12: Important Safety Notice

    P34AL-15 & P34ALOF-15 Service Manual INTRODUCTION Important Safety Notice. This information is intended for use by individuals possessing adequate backgrounds in electrical, refrigeration and mechanical experience. Any attempt to repair major equipment may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of this information, nor can it assume any liability in connection with its use.

  • Page 13: Special Precautions To Be Observed When Charging Refrigeration Systems

    P34AL-15 & P34ALOF-15 Service Manual INTRODUCTION Special Precautions To Be Observed When Charging Refrigeration Systems. Only technically qualified persons, experienced and knowledgeable in the handling of anhydrous ammonia refrigerant and operation of refrigeration systems, should perform the operations described in this manual. All local, federal, and EPA regulations must be strictly adhered to when handling ammonia (R-717) refrigerant.
  • Page 14 P34AL-15 & P34ALOF-15 Service Manual INTRODUCTION FIGURE 1-1 P34AL-15 Front Side (Control Panel) 11/30/04...
  • Page 15 P34AL-15 & P34ALOF-15 Service Manual INTRODUCTION FIGURE 1-2 P34AL-15 Right Side 11/30/04...
  • Page 16 P34AL-15 & P34ALOF-15 Service Manual INTRODUCTION FIGURE 1-3 P34AL-15 Left Side 11/30/04...
  • Page 17 P34AL-15 & P34ALOF-15 Service Manual INTRODUCTION FIGURE 1-4 P34ALOF-15 Front Side (Control Panel) 11/30/04...
  • Page 18 P34AL-15 & P34ALOF-15 Service Manual INTRODUCTION FIGURE 1-5 P34ALOF-15 Right Side 11/30/04...
  • Page 19 P34AL-15 & P34ALOF-15 Service Manual INTRODUCTION FIGURE 1-6 P34ALOF-15 Left Side 11/30/04...

  • Page 20: Machine

    Any repair work or alteration to the machine without the permission of the Tube-Ice LLC can void the machine’s warranty. You should also notify your Vogt distributor or the factory. ®...

  • Page 21: Storage (Prior To Installation And Start-Up)

    P24AL & P34AL Service Manual RECEIPT OF YOUR TUBE-ICE MACHINE available by modifying the cutter and making minor adjustments to the machine (see Chapter 10, “Crushed Ice”). ® Rated Capacity. The Tube-Ice machine is rated to produce a given amount of ice when operating under the proper conditions as specified in this manual (see Section 11 for the operating specifications).

  • Page 22: Installing Your Tube-Ice Machine

    P34AL-15 & P34ALOF-15 Service Manual INSTALLING YOUR TUBE-ICE MACHINE 3. Installing Your Tube-Ice Machine Your machine will be shipped to you as one package. You will need to arrange for the handling of the package as soon as it arrives, see the machine specifications Section 11 for shipping and operating weight.

  • Page 23: P34Al-15 Space Diagram, Figure 3-1

    P34AL-15 & P34ALOF-15 Service Manual INSTALLING YOUR TUBE-ICE MACHINE DISCHARGE FIGURE 3-1 P34AL-15 Space Diagram 11/30/04...

  • Page 24: P34Alof-15 Space Diagram, Figure 3-2

    P34AL-15 & P34ALOF-15 Service Manual INSTALLING YOUR TUBE-ICE MACHINE DISCHARGE FIGURE 3-2 P34ALOF-15 Space Diagram 11/30/04...

  • Page 25: Typical Foundation Layout, Figure 3-3

    P34AL-15 & P34ALOF-15 Service Manual INSTALLING YOUR TUBE-ICE MACHINE FIGURE 3-3 Typical Foundation Layout 11/30/04...
  • Page 26 P34AL-15 & P34ALOF-15 Service Manual INSTALLING YOUR TUBE-ICE MACHINE FIGURE 3-4 Typical Lifting Procedure for P34AL-15 11/30/04...
  • Page 27 P34AL-15 & P34ALOF-15 Service Manual INSTALLING YOUR TUBE-ICE MACHINE FIGURE 3-5 Seismic Anchoring Detail for Tube-Ice Machines 11/30/04...

  • Page 28: Water Supply, Drain And Refrigeration Connections, Table 3-1

    P34AL-15 & P34ALOF-15 Service Manual INSTALLING YOUR TUBE-ICE MACHINE Piping and Drain Connections. See Figure 1-1 to 1-6 and 3-11 to 3-18 for connection locations. When connecting refrigeration piping, you must follow and adhere to all ANSI/ASHRAE 15 “ Safety Code for Mechanical Refrigeration” and ANSI Standard B-31.5 “ Refrigeration Piping Code”.

  • Page 29: Water Tank Drain

    P34AL-15 & P34ALOF-15 Service Manual INSTALLING YOUR TUBE-ICE MACHINE Water Tank Drain. This valve and connection is for the purpose of flushing and draining the water tank of impurities, foreign material and cleaning chemicals used during servicing. It should be piped to an open drain or sump for visible discharge.
  • Page 30 P34AL-15 & P34ALOF-15 Service Manual INSTALLING YOUR TUBE-ICE MACHINE cycle is 50% (75% is preferred). If the compressor cannot be unloaded then a hot gas bypass to the suction line must be installed. See Figures 3-11 through 3-14. Cooling Tower (optional). When selecting a cooling tower, careful attention must be given to operating wet bulb conditions.

  • Page 31: Cooling Tower (Optional)

    P34AL-15 & P34ALOF-15 Service Manual 3-10 INSTALLING YOUR TUBE-ICE MACHINE If the condenser inlet water temperature is expected to be below 75°F/24°C, a water regulating valve should be installed in the condenser water inlet line and adjusted to maintain a head pressure of not less than 175 psig.
  • Page 32 P34AL-15 & P34ALOF-15 Service Manual 3-11 INSTALLING YOUR TUBE-ICE MACHINE COOLING TOWER WATER COOLED CONDENSER Same flow rate to cooling tower Only enough water to maintain head pressure INDOOR SUMP CHECK VALVE FIGURE 3-7 1 PUMP/3-WAY VALVE * Better Freeze Protection COOLING TOWER WATER COOLED...

  • Page 33: Wiring And Electrical Connections

    P34AL-15 & P34ALOF-15 Service Manual 3-12 INSTALLING YOUR TUBE-ICE MACHINE Wiring and Electrical Connections. WARNING Only service personnel experienced in refrigeration and qualified to work with high voltage electrical equipment should be allowed ® to install or work with the Tube-Ice machine.

  • Page 34: Voltage Unbalance

    P34AL-15 & P34ALOF-15 Service Manual 3-13 INSTALLING YOUR TUBE-ICE MACHINE Voltage Unbalance Voltage unbalance can cause motors to overheat and fail. Voltage imbalance between any two legs should be no greater than 2%. Example: Supply voltage = 230-3-60 Voltage Readings: AB = 220 Volts BC = 225 Volts Average = (220 + 225 + 227)/3 = 224 Volts...
  • Page 35 P34AL-15 & P34ALOF-15 Service Manual 3-14 INSTALLING YOUR TUBE-ICE MACHINE 5. Check the cutter disc rotation. It should be turning from left to right (CCW looking from the top). 6. Turn the HAND-AUTO switch to AUTO to stop the cutter. To change rotation, follow this procedure: 1.

  • Page 36: Interconnecting Piping For Vogt P34Al-15 And Dedicated High Side, Figure 3-11

    P34AL-15 & P34ALOF-15 Service Manual 3-15 INSTALLING YOUR TUBE-ICE MACHINE FIGURE 3-11 Interconnecting Piping for Vogt P34AL-15 and Dedicated High Side 11/30/04...

  • Page 37: Interconnecting Piping For Vogt P34Al-15 And Central High Side, Figure 3-12

    P34AL-15 & P34ALOF-15 Service Manual 3-16 INSTALLING YOUR TUBE-ICE MACHINE FIGURE 3-12 Interconnecting Piping for Vogt P34AL-15 and Central High Side 11/30/04...

  • Page 38: Interconnecting Piping For Vogt P34Alof-15 And Central High Side, Figure 3-13

    P34AL-15 & P34ALOF-15 Service Manual 3-17 INSTALLING YOUR TUBE-ICE MACHINE FIGURE 3-13 Interconnecting Piping for Vogt P34ALOF-15 and Central High Side 11/30/04...

  • Page 39: Interconnecting Piping For Vogt P34Alof-15 And Central Screw Compressor, Figure 3-14

    P34AL-15 & P34ALOF-15 Service Manual 3-18 INSTALLING YOUR TUBE-ICE MACHINE FIGURE 3-14 Interconnecting Piping for Vogt P34ALOF-15 and Central Screw Compressor 11/30/04...

  • Page 40: Interconnecting Piping For 2-Vogt P34Al-15 And Central High Side, Figure 3-15

    P34AL-15 & P34ALOF-15 Service Manual 3-19 INSTALLING YOUR TUBE-ICE MACHINE FIGURE 3-15 Interconnecting Piping for 2-Vogt P34AL-15 and Central High Side 11/30/04...

  • Page 41: Interconnecting Piping For 3-Vogt P34Al-15 And Central High Side, Figure 3-16

    P34AL-15 & P34ALOF-15 Service Manual 3-20 INSTALLING YOUR TUBE-ICE MACHINE FIGURE 3-16 Interconnecting Piping for 3-Vogt P34AL-15 and Central High Side 11/30/04...

  • Page 42: Interconnecting Piping For 2-Vogt P34Alof-15 And Central High Side, Figure 3-17

    P34AL-15 & P34ALOF-15 Service Manual 3-21 INSTALLING YOUR TUBE-ICE MACHINE FIGURE 3-17 Interconnecting Piping for 2-Vogt P34ALOF-15 and Central High Side 11/30/04...

  • Page 43: Interconnecting Piping For 3-Vogt P34Alof-15 And Central High Side, Figure 3-18

    P34AL-15 & P34ALOF-15 Service Manual 3-22 INSTALLING YOUR TUBE-ICE MACHINE FIGURE 3-18 Interconnecting Piping for 3-Vogt P34ALOF-15 and Central High Side 11/30/04...

  • Page 44: Installation Review: A Checklist

    P34AL-15 & P34ALOF-15 Service Manual 3-23 INSTALLING YOUR TUBE-ICE MACHINE IMPORTANT Be sure to follow the wiring schematic when incorporating overloads of conveyor (5 MOL). Also remove jumpers as instructed. This is necessary to provide proper ® protection for the Tube-Ice machine and its component parts.

  • Page 45: How Your Tube-Ice Machine Works

    HOW YOUR TUBE-ICE MACHINE WORKS 4. How Your Tube-Ice Machine Works ® Operating Features. Your Vogt low side Tube-Ice machine is an efficient ice producing plant. If installed and maintained properly, it will give many years of operation with a minimum amount of repairs.

  • Page 46: Harvest Period

    P34AL-15 & P34ALOF-15 Service Manual HOW YOUR TUBE-ICE MACHINE WORKS Harvest Period. About 20-30 seconds after the 1CR relay is energized, the thaw gas valve (18) opens, the “H” water flush solenoid valve (63) opens, the compressor unloads (when required), the cutter motor starts, the thaw timer (2TR) is energized, the red thawing gas light illuminates, and auxiliary equipment such as conveyors etc.

  • Page 47: Piping Schematic For P34Al-15, Figure 4-1

    P34AL-15 & P34ALOF-15 Service Manual HOW YOUR TUBE-ICE MACHINE WORKS FIGURE 4-1 Piping Schematic for P34AL-15 11/30/04...

  • Page 48: Piping Schematic For P34Alof-15, Figure 4-2

    P34AL-15 & P34ALOF-15 Service Manual HOW YOUR TUBE-ICE MACHINE WORKS FIGURE 4-2 Piping Schematic for P34ALOF-15 11/30/04...

  • Page 49: Start-Up And Operation

    P34AL-15 & P34ALOF-15 Service Manual START-UP & OPERATION 5. Start-Up & Operation Refrigeration System Review. The refrigeration system uses anhydrous ammonia (R-717) refrigerant. Following the piping schematic (Figure 3-11 to 3-17 and 4-1 or 4-2), you will see that during the machine’s freeze cycle, the compressor discharge gas goes through the oil separator to remove any oil present in the discharge gas and return the oil to the compressor crankcase.

  • Page 50: Start-Up Checklist

    P34AL-15 & P34ALOF-15 Service Manual START-UP & OPERATION Start-up Checklist. Be sure to complete and return the “Warranty Registration/Start-up Report” located in the front of the manual. 1. See that the water-inlet connections are attached properly. The water inlet shutoff valve (62) for the water tank should be open.

  • Page 51: Charging From Tank Truck (For Dedicated High Side Only)

    P34AL-15 & P34ALOF-15 Service Manual START-UP & OPERATION Charging From Tank Truck (dedicated high side only). The system may be charged by bulk from a tank truck and be pumped directly into the receiver through the drain valve. Follow these instructions with caution: 1.
  • Page 52 P34AL-15 & P34ALOF-15 Service Manual START-UP & OPERATION 9. Set the Hand/Auto switch (1SS) to the “Hand” position allowing the circulating water pump to circulate water through the freezer. 10. As the pressure continues to rise in the freezer, start the compressor and pump the ammonia into the receiver.

  • Page 53: Control Panel, Figure 5-1

    P34AL-15 & P34ALOF-15 Service Manual START-UP & OPERATION When charging is complete, stop the machine, disconnect and lock-out the power. If the machine contains a pressure switch (2PS), open the control panel door and reconnect wire #24 to the freezer pressure switch.

  • Page 54: Adding Refrigerant

    P34AL-15 & P34ALOF-15 Service Manual START-UP & OPERATION 6. Set the thaw gas pressure regulator (18R) and the suction regulator (if used). See “Thaw Gas Regulator” and “Suction Regulator” for instructions. 7. When the suction pressure raises to 50-55 psig, any ice made should release and discharge. After all of the ice clears the cutter and auger, turn the Hand/Auto switch to “Hand”...

  • Page 55: Operating Tips

    P34AL-15 & P34ALOF-15 Service Manual START-UP & OPERATION Operating Tips. • Make sure the machine is left running in the “Auto” position. This will assure a complete shutdown if a safety or overload is tripped. • To initiate a harvest cycle, simply push the Manual Harvest push button (3PB). •...

  • Page 56: Bin Level Control

    P34AL-15 & P34ALOF-15 Service Manual ELECTRICAL CONTROLS 6. Electrical Controls ® Your Low Side Tube-Ice machine is equipped with a compressor motor interlock and a transformer (if required) for the control circuit power. The control panel and transformer are mounted on the machine front side (see Figures 1-1 or 1-8).

  • Page 57: Control Panel (Door Opened), Figure 6-1

    P34AL-15 & P34ALOF-15 Service Manual ELECTRICAL CONTROLS FIGURE 6-1 Control Panel (Door Opened) (3CR) Compressor Motor Holding relay for safety and bin level control. Auxiliary contact Starter contact and provides control power to the compressor motor starter. holding relay Continuously energized during freezing and thawing. (2M) Pump Motor Starter Provides power to the circulating water pump during the freezer...

  • Page 58: Description Of Control Panel Parts (Outer Door), Table 6-2

    P34AL-15 & P34ALOF-15 Service Manual ELECTRICAL CONTROLS FIGURE 6-2 Control Panel (Hinged Door) (1LT) Amber Pilot Light - Freezing Illuminated during the freeze period or whenever the circulating water pump is running. (2LT) Clear Pilot Light - Liquid Feed Illuminated when the circulating water pump is running and the float switch (10) is closed.
  • Page 59 P34AL-15 & P34ALOF-15 Service Manual ELECTRICAL CONTROLS OPTIONAL 110 VOLT SECONDARY FIGURE 6-3 Typical Electrical Schematic, all Voltages, 50-60 Hz. 11/30/04...

  • Page 60: Optional Plc Electrical Schematic All Voltages 50-60 Hz., Figure 6-4

    P34AL-15 & P34ALOF-15 Service Manual ELECTRICAL CONTROLS FIGURE 6-4 Optional PLC Electrical Schematic, all Voltages, 50-60 Hz. 11/30/04...

  • Page 61: Maintenance

    P34AL-15 & P34ALOF-15 Service Manual MAINTENANCE 7. Maintenance ® Preventative Maintenance. A careful inspection of the Tube-Ice machine for leaks and correct operational functions at the time of installation and start-up will begin its long satisfactory life of service. In order to insure this degree of dependability, a systematic maintenance program is necessary.

  • Page 62: Preventative Maintenance Form

    P34AL-15 & P34ALOF-15 Service Manual MAINTENANCE PREVENTATIVE MAINTENANCE FORM This form can be removed and duplicated for record keeping. Date: _____________ Model #: ________________________ Serial #: _____________ The following service performed and checked: Hour meter reading _______________ , Ambient temperature (inside)_______ °F Make-Up water float valve adjusted properly Water distributors clean and in place All drains freely draining...

  • Page 63: Ice-Making Section

    P34AL-15 & P34ALOF-15 Service Manual MAINTENANCE ® Ice Making Section. The ice making section of the Tube-Ice machine should be cleaned at least twice a year (more often if water conditions cause mineral build up). Use an approved food-grade ice machine cleaner. The water pump is used to circulate the cleaner through the system. For complete instructions, follow the “Cleaning Procedure”...

  • Page 64: Water Distributors, Table 7-1

    P34AL-15 & P34ALOF-15 Service Manual MAINTENANCE Tube Size 1 1/2” 1 1/4” 1” Part Number 12B2185V32 12B2185V22 12B2185V12 Model Number of Distributors Required P34A TABLE 7-1 Water Distributors You may look through the plastic freezer cover to inspect the water distributors if the view is clear. For a closer inspection you should stop the unit, remove the nuts and retaining ring sections and lift off the top cover.

  • Page 65: Water Tank

    P34AL-15 & P34ALOF-15 Service Manual MAINTENANCE Water Tank. The production of opaque ice can indicate that the water in the water tank contains a concentrated amount of solids or salts. See Troubleshooting, “Poor Ice Quality”. To clean the water tank: 1.

  • Page 66: Compressor (Optional)

    P34AL-15 & P34ALOF-15 Service Manual MAINTENANCE CAUTION Follow all lock-out and tag-out procedures before servicing any electrical equipment. CAUTION Service/Frequency Start-Up Monthly Six Months Shutdown Clean debris from unit Clean strainer and flush sump Check fan and pump rotation Clean spray nozzles Check belt tension Check for noise/vibration Check/adjust make-up water valve...

  • Page 67: Compressor Maintenance, Table 7-4

    P34AL-15 & P34ALOF-15 Service Manual MAINTENANCE Note: Net oil pressure is calculated by subtracting the compressor suction pressure from the oil pressure gage reading while the compressor is running. Example: Oil pressure gage reading: 65 psig Suction pressure gage reading: 40 psig Net Oil Pressure: 25 psigThe compressor oil should be changed at...
  • Page 68 P34AL-15 & P34ALOF-15 Service Manual MAINTENANCE CAUTION Follow all lockout and tag-out procedures before servicing any electrical equipment. CAUTION 11/30/2004...

  • Page 69: Troubleshooting

    P34AL-15 & P34ALOF-15 Service Manual TROUBLESHOOTING 8. Troubleshooting Note: Your machine’s electrical system has several built-in safety and overload protection features to stop operation when a single component fails or there is a problem from an outside source such a power supply. Make sure all auxiliary equipment is connected to incorporate safety and overload circuits and protect all related equipment.
  • Page 70 P34AL-15 & P34ALOF-15 Service Manual TROUBLESHOOTING Symptom: Machine Stopped Possible Cause Possible Remedy Power failure or interruption Check fused disconnect or circuit breaker supplying power to the machine. If power has been off, make sure the crankcase heater is energized and there is no liquid refrigerant in the compressor crankcase prior to restarting the compressor.
  • Page 71 P34AL-15 & P34ALOF-15 Service Manual TROUBLESHOOTING Symptom: Machine Stopped (con’t) Possible Cause Possible Remedy High/Low pressure safety switch (1PS or 4PS) If the machine stops by low pressure cutout, tripped (optional) the switch will reset automatically when the pressure raises to the “cut-in” setting. Check thaw gas valve (18) to make sure it opens during harvest time.
  • Page 72 P34AL-15 & P34ALOF-15 Service Manual TROUBLESHOOTING Symptom: Freeze-up due to extended freeze period Possible Cause Possible Remedy Freeze timer (1TR) set to long Adjust timer or replace if defective. FIGURE 9-1. Freezer pressure switch (2PS) set too low or Adjust switch or replace if defective. defective (optional) FIGURE 9-1.
  • Page 73 P34AL-15 & P34ALOF-15 Service Manual TROUBLESHOOTING Symptom: Freeze-up due to ice failing to discharge Possible Cause Possible Remedy Freeze timer (1TR) set to long Adjust timer or replace if defective. FIGURE 9-1. Extended freeze period (if 2PS is used) Check freezer pressure switch...
  • Page 74 P34AL-15 & P34ALOF-15 Service Manual TROUBLESHOOTING Symptom: Low ice capacity. Suspicions of low ice capacity should be confirmed by accurate calculations of actual ice product. Much weight can be lost by melting and off fall through augers and other ice handling equipment. 1.
  • Page 75 P34AL-15 & P34ALOF-15 Service Manual TROUBLESHOOTING Symptom: Low ice capacity (cont.) Possible Cause Possible Remedy Excessively high head pressure Check cooling tower or evap condenser to make sure sufficient water is provided for cooling and the equipment is operational to cool the water.
  • Page 76 P34AL-15 & P34ALOF-15 Service Manual TROUBLESHOOTING Symptom: High discharge pressure (check gage accuracy) Possible Cause Possible Remedy Insufficient water flow through the cooling Check the condenser water pump to make sure tower or condenser it is pumping enough water as specified in TABLE 3-2.
  • Page 77 P34AL-15 & P34ALOF-15 Service Manual TROUBLESHOOTING Symptom: Low discharge pressure (check gage accuracy) Possible Cause Possible Remedy Fan cycling switch out of adjustment or Check adjustment. Replace if defective. defective Compressor running unloaded or not pumping Check compressor motor amp. If the efficiently compressor is running unloaded, the amperage...
  • Page 78 P34AL-15 & P34ALOF-15 Service Manual 8-10 TROUBLESHOOTING Symptom: Compressor oil pressure low (check gages) See Section 7, for compressor oil pressure requirements. Possible Cause Possible Remedy Oil diluted with refrigerant Oil will be very foamy. Check liquid feed control for overfeed problem. Oil pressure regulating valve out of adjustment Adjust valve to increase oil pressure.
  • Page 79 P34AL-15 & P34ALOF-15 Service Manual 8-11 TROUBLESHOOTING Symptom: Machine short cycles ( using freeze pressure switch (2PS) only) Possible Cause Possible Remedy Freezer pressure switch (2PS) set too low or Adjust switch or replace if defective. defective FIGURE 9-3. Freeze-up See “Freeze-up due to extended freezer period”...
  • Page 80 P34AL-15 & P34ALOF-15 Service Manual 8-12 TROUBLESHOOTING Symptom: Suction line frosting to compressor Possible Cause Possible Remedy Liquid refrigerant overfeed Check float switch to make sure it is functioning properly. Replace if defective. Check solenoid valve #20 to make sure it is not leaking through.

  • Page 81: Float Switch

    P34AL-15 & P34ALOF-15 Service Manual SERVICING OPERATIONS 9. Servicing Operations Automatic Blowdown (harvest cycle). A feature of this machine is a solenoid activated flushing valve (63), which is provided to eliminate or reduce the necessity for frequent flushing or cleaning of the water tank.
  • Page 82 P34AL-15 & P34ALOF-15 Service Manual SERVICING OPERATIONS Figure 9-1 P34AL-15 Float Height Model Tube Size 1- Length of 2- Length of Pipe Pipe P34AL 24” 10” TABLE 9-1 Length of Pipe on Float Switches Hand Expansion Valve. The hand expansion valve is located directly after the “A1” solenoid valve.
  • Page 83 P34AL-15 & P34ALOF-15 Service Manual SERVICING OPERATIONS Switch TABLE 9-2 Miniature Rocker Switch Settings for Freeze Timer Entering and Displaying Setpoints. Whenever the freeze timer unit is powered up and the previous setpoint has been lost, the digit display indicates four hyphens. The unit will not operate until it has been provided with a setpoint, clearing the display of hyphens.

  • Page 84: Freeze Timer

    P34AL-15 & P34ALOF-15 Service Manual SERVICING OPERATIONS FIGURE 9-2 Freeze Timer (1TR) Freezer Pressure Switch (optional). The freezing time period for producing ice of a desired thickness is controlled by the freezer pressure switch (2PS), Figure 9-3, located inside the control panel.

  • Page 85: Control Circuit Protection

    P34AL-15 & P34ALOF-15 Service Manual SERVICING OPERATIONS FIGURE 9-3 ASCO Freezer Pressure Switch (2PS) It is preferable that the freezing cycle be such that a small diameter hole remains in the center of the ice cylinder (1/16” diameter for 7/8” diameter ice, 1/8” diameter for 1 1/8” diameter ice, 1/4” diameter for 1 3/8”...

  • Page 86: Thawing Timer, Figure 9-4

    The cleaning tools should be rotated at the specified speed for the particular tool used. The tubes should be kept wet during cleaning and after cleaning the tubes should be flushed thoroughly and all foreign material removed. Contact your distributor or Vogt’s Service Department to obtain the proper cleaning tools.

  • Page 87: Cutter Gear Reducer

    P34AL-15 & P34ALOF-15 Service Manual SERVICING OPERATIONS Cutter Gear Reducer. The cutter motor and gear reducer (54), Figure 9-5B, drive the ring gear of the cutter assembly. It is important that the teeth of the drive gear and the ring gear mesh properly both vertically and horizontally.

  • Page 88: Gear Reducer Replacement

    P34AL-15 & P34ALOF-15 Service Manual SERVICING OPERATIONS Gear Reducer Replacement. 1. Disconnect and lock out all power to the machine. 2. Disconnect electrical wires and conduit from the motor. 3. Remove the top and side bolts holding the mounting plate to the support bracket and lift the plate and gear reducer assembly from the tank bracket.

  • Page 89: Water Tank And Cutter Parts Weights, Table 9-3

    P34AL-15 & P34ALOF-15 Service Manual SERVICING OPERATIONS To inspect the cutter assembly and make repairs or replace parts, it will be necessary to lower and remove the water tank from its mounting to the bottom of the freezer. The water tank has metal casters allowing it to be rolled out from under the freezer for inspection and servicing.

  • Page 90: Cutter Assembly Removal And Installation

    P34AL-15 & P34ALOF-15 Service Manual 9-10 SERVICING OPERATIONS Cutter Assembly Removal and Installation. 1. Follow water tank removal instructions, Steps 1-9. See Figure 9-5B. 2. Remove the socket head cap screw from the center of the cutter shaft and lift out the retainer and gasket.

  • Page 91: Cutter Shaft And Bearing Installation

    P34AL-15 & P34ALOF-15 Service Manual 9-11 SERVICING OPERATIONS 4. Clean and inspect all parts for wear or damage. Discard all parts showing any indication of damage. Cutter Shaft and Bearing Installation. 1. Clean the inside of the bearing housing of grease or foreign matter. Further clean the top bearing housing with pro-lock cleaner and primer (or a suitable substitute) and remove the pipe plugs from the side of the housing.

  • Page 92: Cutter Height Adjustment

    P34AL-15 & P34ALOF-15 Service Manual 9-12 SERVICING OPERATIONS Cutter Height Adjustment. The height of the cutter can be adjusted by the four bolts holding the bearing bracket assembly in place. These bolts are threaded into holes in the end of each arm through holes in the water tank.

  • Page 93: Typical Cutter Assembly, Figure 9-5A

    P34AL-15 & P34ALOF-15 Service Manual 9-13 SERVICING OPERATIONS Figure 9-5A Typical Cutter Assembly 11/30/04...

  • Page 94: Typical Water Tank Assembly, Figure 9-5B

    P34AL-15 & P34ALOF-15 Service Manual 9-14 SERVICING OPERATIONS Figure 9-5B Typical Water Tank Assembly 11/30/04...
  • Page 95 P34AL-15 & P34ALOF-15 Service Manual 9-15 SERVICING OPERATIONS Item # Description P34A Part Number Water Tank Assembly 19T4500S34X Water Box Cover (Not Shown) 19T2150C0200 Water Pump (Not shown) Contact Factory Tank Gasket (Not Shown) 12A2600G11 2 1/2” Red Rubber Gasket (Not Shown) 12A 2600R09000000 3/4”...

  • Page 96: Cutter Ring Gear Replacement

    P34AL-15 & P34ALOF-15 Service Manual 9-16 SERVICING OPERATIONS Cutter Ring Gear Replacement. 1. Remove the water tank assembly (see water tank removal). 2. Remove the cutter assembly from the cutter shaft. 3. Remove the 1/4” drive pins, which hold the ring gear to the cutter bank (8 pins total). 4.

  • Page 97: Cutter Blade And Adapter Plate Adjustment, Figure 9-6

    P34AL-15 & P34ALOF-15 Service Manual 9-17 SERVICING OPERATIONS Figure 9-6 Cutter Blade and Adapter Plate Adjustment Cutter Adapter Plate Installation. 1. Disconnect and lock-out all power to the machine and remove the water tank assembly so the cutter is accessible (see water tank removal). 2.

  • Page 98: Removal Of Ammonia Refrigerant From The Machine

    P34AL-15 & P34ALOF-15 Service Manual 9-18 SERVICING OPERATIONS Pumpdown. The function of the pumpdown is to transfer the entire liquid refrigerant from the freezer (evaporator) into the receiver. Pumpdown should only be performed when the freezer is clear of ice. Its main purposes are: 1.

  • Page 99: Refrigerant Leaks

    P34AL-15 & P34ALOF-15 Service Manual 9-19 SERVICING OPERATIONS WARNING It is not recommended that refrigerant to be transferred from a refrigeration system directly into a cylinder. If such a transfer is made, the refrigerant cylinder must be an approved, CLEAN cylinder--free of any contaminants or foreign materials--and must be weighed continuously to assure contents do not exceed net weight specified by cylinder manufacturer of any applicable code requirements.

  • Page 100: Draining The Oil Trap

    P34AL-15 & P34ALOF-15 Service Manual 9-20 SERVICING OPERATIONS Air collects mostly in high pressure condensers, receivers, and other high-pressure components. It collects mostly in the coolest, lowest-velocity area of these components. Evaporative condensers usually have purge points at the top of the outlet header of each circuit. Receivers usually have a purge point at the top, away from the inlet, where it is coolest and the gas velocity is the lowest.

  • Page 101: Circulating Water Pump Motor

    P34AL-15 & P34ALOF-15 Service Manual 9-21 SERVICING OPERATIONS If excessive water is in the ammonia, it will cause frost on the suction line to the compressor, and dilution of the oil. This condition should not go uncorrected and the water needs to be removed. 1.

  • Page 102: The Thaw Gas Solenoid Valve

    P34AL-15 & P34ALOF-15 Service Manual 9-22 SERVICING OPERATIONS recommends that a mechanical seal be kept as a spare. When ordering a seal, specify pump size, type, serial number, and manufacturer’s name as indicated on the nameplate. Solenoid Valves. The P34 is equipped with several solenoid valves to perform various functions for proper operation and good ice production.

  • Page 103: The Liquid Feed Solenoid Valve

    P34AL-15 & P34ALOF-15 Service Manual 9-23 SERVICING OPERATIONS The Liquid Feed Solenoid Valve (20), Figure 9-8, is opened and closed during the freezer cycle by the float switch #10, in order to maintain the proper freezer refrigerant level. It is closed when the machine is off to prevent liquid flow from the receiver to the freezer.

  • Page 104: Water Flush Solenoid Valve

    P34AL-15 & P34ALOF-15 Service Manual 9-24 SERVICING OPERATIONS Thaw Chamber Check Valve. This valve is closed during the freeze cycle to keep the thaw chamber from filling with liquid ammonia. To manually open simply turn the manually opening stem inward. Repair or replace as follows: 1.

  • Page 105: Compressor Oil Changing

    P34AL-15 & P34ALOF-15 Service Manual 9-25 SERVICING OPERATIONS Compressor Oil Changing See Table 7-4 for frequency recommendations. 1. Turn off power to the machine and make sure the compressor crankcase heater is not energized. 2. Drain the oil through the oil drain valve located at the base of the compressor. 3.

  • Page 106: Belt Replacement

    P34AL-15 & P34ALOF-15 Service Manual 9-26 SERVICING OPERATIONS Reasons for premature wear. 1. Pulley misalignment 2. Belts not matched 3. Dirt or foreign material present 4. Excessive slipping (loose tension) Belt Replacement. Belts that are worn, cracked, frayed, or over stretched should be replaced. 1.

  • Page 107: 10. Options And Accessories

    P34AL-15 & P34ALOF-15 Service Manual 10-1 Options and Accessories 10. Options and Accessories 11/30/04...

  • Page 108: Crushed Ice Production

    P34AL-15 & P34ALOF-15 Service Manual 10-2 Options and Accessories Crushed Ice Production Your P34 Tube-Ice machine is capable of producing crushed ice with no loss of capacity; however, there are certain changes to be made in order to convert to crushed ice production.

  • Page 109: Plc (Programmable Logic Controller)

    P34AL-15 & P34ALOF-15 Service Manual 10-3 Options and Accessories PLC (Programmable Logic Controller) ® Tube-Ice machines are available with a Mitsubishi Fx 24MR programmable controller and a ® 10DUE operator interface. The PLC version of the Tube-Ice enhances the operation of the standard version by providing: Selectable automatic restart after a power failure, choice of timed or pressure switch controlled freeze cycles, programmable blowdown adjustment, programmable in cutter delay, programmable conveyor control contacts (delay and run time), freezer pumpdown and a...
  • Page 110 P34AL-15 & P34ALOF-15 Service Manual 10-4 Options and Accessories Figure 10-1b Mitsubishi FX -24MR PLC with FX -2AD Analog Input Module Inputs Description Outputs Description Not used C-sol (Suction solenoid valve) Not used High Side Control Interlock Start / Manual Harvest Button (in parallel) Conveyor Control Contact Selector Switch (Clean position) ET - Elapsed Timer...
  • Page 111 P34AL-15 & P34ALOF-15 Service Manual 10-5 Options and Accessories Figure 10-3 Wiring Schematic 11/30/04...
  • Page 112 P34AL-15 & P34ALOF-15 Service Manual 10-6 Options and Accessories GETTING STARTED The operator interface displays two lines of text, however the message or instructions may be longer than can be displayed on two lines. The rest of the text can be accessed by pressing the up and down arrows (scrolling).
  • Page 113 P34AL-15 & P34ALOF-15 Service Manual 10-7 Options and Accessories STANDBY MODE If the “ICE / OFF / CLEAN” selector switch is moved to the “OFF” position (or the bin ice level sensor opens) the machine will complete the current ice making cycle then stop. The interface will indicate that the machine is standing by.
  • Page 114 P34AL-15 & P34ALOF-15 Service Manual 10-8 Options and Accessories CLEAN MODE When the selector switch is in the “CLEAN” position, the machine will begin a clean cycle. Note: If the machine is in the FREEZE MODE when this is done, the machine will complete the current freeze cycle and harvest cycle before proceeding to Clean.
  • Page 115 P34AL-15 & P34ALOF-15 Service Manual 10-9 Options and Accessories MACHINE FAULTS Hi/Low Pressure. The interface will display the message shown below if the combination high/low pressure safety switch opens. The machine will stop immediately. FAULT:HI/LOW RESET A=RESTART B=SILENCE ALARM When the low pressure switch resets or the manual reset button for the high pressure safety is depressed and the pressure is in the acceptable range, the interface will display “PRES OK”.
  • Page 116 P34AL-15 & P34ALOF-15 Service Manual 10-10 Options and Accessories MACHINE FAULTS (CONT.) Compressor Overload: The interface will display the message shown below if the compressor motor safety overload switch opens. The machine will stop immediately. The compressor overload will reset automatically after the compressor has time to cool off. FAULT:COMP OL FAULT:COMP OL WAITING...
  • Page 117 P34AL-15 & P34ALOF-15 Service Manual 10-11 Options and Accessories CHANGING THE SETUP VALUES Several operating parameters of the machine can be modified. The set up screen must be accessed to make any modifications. The set up screen can be accessed by pressing the “C” button on the operator interface when the machine is in the freeze, harvest, pumpdown, clean or standby mode.
  • Page 118 P34AL-15 & P34ALOF-15 Service Manual 10-12 Options and Accessories SETUP SCREEN (CONT.) PLC Option – Water Temperature controlled freeze cycle time Pressing “A” on the operator interface while in the set up screen, will allow you to select how the freeze time is determined (TEMP or TIME).
  • Page 119 P34AL-15 & P34ALOF-15 Service Manual 10-13 Options and Accessories SETUP SCREEN 2 SETUP SCREEN 2 A=EDIT FORMULAS B=MAIN SETUP C=AUTORESTRT ON Press “A” to proceed to the Freeze time formula page, SETUP SCREEN 3. Here you will enter the constants for T1; freeze times base on the suction temp, T1. Press “B”...
  • Page 120 346.2 367.2 = 35, b = 2970 = 44, b = 3520 = 55, b = 4570 Note: Freeze times based on values from Vogt Tube Ice sizing program – consult factory for additional machine models or suction temperatures 11/30/04...

  • Page 121: Reduced Voltage Cutter Motor Starter

    Options and Accessories Reduced Voltage (Soft-Start) Cutter Motor Starters Several Vogt Tube-Ice machine models are available from the factory with a reduced voltage “soft” cutter motor starters. These units reduce inrush current to approximately 200% of rated full load amps, as compared to 600% for across the line start. The units are also available for after market or retrofit installation.

  • Page 122: Tables And Charts

    P34AL-15 & P34ALOF-15 Service Manual 11-1 TABLES & CHARTS 11. Tables & Charts 11/30/04...
  • Page 123 (4) Compressor Requirements is based on 16°F suction temperature,100°F condensing temperature, 70°F ambient, and 25% blowdown. (5) Makeup water is maximum value and includes 25% blowdown. each cycle. Vogt reserves the right to change designs and specifications without notice. Table 11-1...
  • Page 124 (4) Compressor Requirements is based on 16°F suction temperature,100°F condensing temperature, 70°F ambient, and 25% blowdown. (5) Makeup water is maximum value and includes 25% blowdown. each cycle. Vogt reserves the right to change designs and specifications without notice. Table 11-2...
  • Page 125 P34AL-15 & P34Alof-15 Service Manual 11-4 TABLES & CHARTS Cylinder Ice Crushed Ice Make-Up Water Tube Size Tube Size Temp. °F 1” 1 1/4” 1 1/2” 1” 1 1/4” 1 1/2” 12.0 11.5 12.0 13.8 13.1 11.8 10.9 11.5 13.3 12.6 11.1 10.4...
  • Page 126 P34AL-15 & P34ALOF-15 Service Manual 11-5 TABLES & CHARTS Suction Pressure Discharge Pressure Harvest Times Ice per Freeze Time (psig) (psig) (secs) cycle (minutes) End of End of End of End of First All Ice Total Average Water Temperature (deg. F) Freeze Thaw Freeze...
  • Page 127 P34AL-15 & P34Alof-15 Service Manual 11-6 TABLES & CHARTS TEMPERATURE - PRESSURE CHART FOR COMMON REFRIGERANTS (°F-psig) DegF R-12 R-22 R-502 R-134a R-404A R-717 MP-39 DegF R-12 R-22 R-502 R-134a R-404A R-717 MP-39 -7.6 -3.0 -9.0 -7.0 -9.1 46.7 84.0 97.4 45.5 102.9...
  • Page 128 P34AL-15 & P34ALOF-15 Service Manual 11-7 TABLES & CHARTS REFERENCE INFORMATION CONVERSION FACTORS: English to Metric To Convert From Multiply by Area 9.2903e-2 6.416 e-4 Energy Joule (J) 1054.48 BTU/Hr 2546.2 1.34 Length 0.3048 0.0254 Pressure lbf/ft Paschal 47.88 lbf/in (psi) Paschal 6894.76...
  • Page 129 Material Safety Data Sheet # 4001 OCHE NDUSTRIES INC 2/15/96 SECTION 1: CHEMICAL PRODUCT & COMPANY IDENTIFICATION Anhydrous Ammonia Ammonia CHEMICAL NAME: TRADE NAMES/SYNONYMS 5B81-83 PRODUCT CODE: MANUFACTURER AND/OR DISTRIBUTOR: EMERGENCY TELEPHONE NUMBERS: LaRoche Industries Inc. Transportation (CHEMTREC): (800) 424-9300 1100 Johnson Ferry Rd., NE Environmental/Health/Safety: (800) 528-4963...
  • Page 130 SECTION 8: EXPOSURE CONTROLS/PERSONAL PROTECTION Respiratory protection approved by NIOSH/MSHA for ammonia must be used when RESPIRATORY PROTECTION: exposure limits are exceeded. Whether a chemical cartridge respirator or a self-contained breathing apparatus is sufficient for effective respiratory protection depends on the type and magnitude of exposure. EYE PROTECTION: Chemical splash goggles, approved for use with ammonia, must be worn to prevent eye contact with liquid or vapor.
  • Page 131 Copyright 1989 by LaRoche Industries Inc. All rights reserved. Quotation or production in whole or part without written permission is expressly prohibited.
  • Page 145 2000 VOGT® TUBE-ICE® MACHINE BASIC PRODUCT WARRANTY Vogt Tube Ice LLC, hereinafter referred to as SELLER, warrants to the or for any cost brought about by the necessity of removing the product from its point of installation. original Purchaser from SELLER or the original end - user, hereinafter referred to as PURCHASER, every Vogt®...

This manual is also suitable for:

Tube-ice p34axlofTube-ice p34al-15Tube-ice p34alof-15Tube-ice p34alTube-ice p34a

Table of Contents