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Vogt TUBE-ICE P-24ALOF Service Manual

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P-24ALOF
&
P-34ALOF
LIQUID
OVERFEED
®
TUBE-ICE
MACHINE
Service Manual
00
$50
01/2017

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Summary of Contents for Vogt TUBE-ICE P-24ALOF

  • Page 1 P-24ALOF & P-34ALOF LIQUID OVERFEED ® TUBE-ICE MACHINE Service Manual 01/2017...
  • 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 Ice, LLC 1000 W. Ormsby, Suite 19 Louisville, KY 40210 Attn. SuperCare Department...
  • Page 3 1440 (freeze time + harvest time) The machine operated satisfactorily for ___ continuous hours. Date _______________________________________ Comments__________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ Installer signature ____________________________________________ End user signature _________________________________ Please return to: Vogt Ice LLC, 1000 W. Ormsby, Suite #19, Louisville, KY 40210 01/2017...
  • Page 4  VOGT ® TUBE-ICE MACHINES P24ALOF & P34ALOF Model Installation, Service Manual, and Parts Catalog #12A-4171L15 Vogt Ice, LLC 1000 W. Ormsby Avenue, Suite 19 Louisville, Kentucky, 40210 800-853-8648  502-635-3000 Fax: 502-634-0479 01/2017...

  • Page 5: Table Of Contents

    MACHINES Model P24ALOF & P34ALOF 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 6 Interconnecting Piping for Vogt P34ALOF and Central High Side, Figure 3-13 ............3-20 Interconnecting Piping for Vogt P34ALOF and Central High Side, Screw Compressor, Figure 3-14 ......3-21 Interconnecting Piping for 2-Vogt P34ALOF and Central High Side, Figure 3-15 ............3-22 Interconnecting Piping for 3-Vogt P34ALOF and Central High Side, Figure 3-16 ............
  • Page 7 P24ALOF & P34ALOF Service Manual TABLE OF CONTENTS Page No. 6. ELECTRICAL CONTROLS 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 ....................6-3 Control Panel (Door Closed), Figure 6-2 ........................
  • Page 8 P24ALOF & P34ALOF Service Manual TABLE OF CONTENTS Page No. 9. SERVICING OPERATIONS Automatic Blow down (Harvest Cycle) ......................... 9-1 Cleaning the Ice Making Section ........................... 9-1 Float Valve (Make-Up Water) ............................9-1 Hand Expansion Valve ..............................9-1 Freeze Timer .................................. 9-1 Miniature Rocker Switch Settings for Freeze Timer, Table 9-1 ..................
  • Page 9 P24ALOF & P34ALOF Service Manual TABLE OF CONTENTS Page No. The Thaw Chamber Check Valve ..........................9-20 The Thaw Chamber Check Valve, Figure 9-9 ....................... 9-20 Water Flush Solenoid Valve ............................9-21 Compressor Oil Changing ............................. 9-21 Compressor Inspection ..............................9-21 Belt Tension ...................................
  • Page 10 P24ALOF & P34ALOF Service Manual TABLE OF CONTENTS 01/2017...

  • Page 11: Introduction

    1. Introduction Vogt Ice, LLC A Brief History of Our Company. Henry Vogt Machine Co. was founded as a small machine shop in Louisville, Kentucky in 1880. Today, Vogt Ice, LLC is one of the world’s leading producers of ice-making equipment.

  • Page 12: Important Safety Notice

    P24ALOF & P34ALOF 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

    P24ALOF & P34ALOF 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 P24ALOF & P34ALOF Service Manual INTRODUCTION Figure 1-1 P24ALOF 1” Front Side (Control Panel) 01/2017...
  • Page 15 P24ALOF & P34ALOF Service Manual INTRODUCTION Figure 1-2 P24ALOF Right Side 01/2017...
  • Page 16 P24ALOF & P34ALOF Service Manual INTRODUCTION Figure 1-3 P24ALOF Back Side 01/2017...
  • Page 17 P24ALOF & P34ALOF Service Manual INTRODUCTION Figure 1-4 P24ALOF Left Side 01/2017...
  • Page 18 P24ALOF & P34ALOF Service Manual INTRODUCTION Figure 1-5 P34ALOF Front Side (Control Panel) 01/2017...
  • Page 19 P24ALOF & P34ALOF Service Manual INTRODUCTION Figure 1-6 P34ALOF Right Side 01/2017...
  • Page 20 P24ALOF & P34ALOF Service Manual 1-10 INTRODUCTION Figure 1-7 P34ALOF Back Side 01/2017...
  • Page 21 P24ALOF & P34ALOF Service Manual 1-11 INTRODUCTION Figure 1-8 P34ALOF Left Side 01/2017...
  • Page 22 P24ALOF & P34ALOF Service Manual 1-12 INTRODUCTION 01/2017...

  • Page 23: Receipt Of Your Tube-Ice Machine

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

  • Page 24: Model Designation For P-Series Ice Machine, Figure 2-1

    P24ALOF & P34ALOF Service Manual RECEIPT OF YOUR TUBE-ICE MACHINE 50T A L A B 5 46 NC 000 Product Variation Code Nominal Capacity A number or letter designator (“T” = tons/day) assigned to specific variations “25T” – 25 tons/day within a family series “50T”...

  • Page 25: Installing Your Tube-Ice Machine

    These figures are intended as a guide to unloading and lifting the P24ALOF and P34ALOF Tube- ® machine. Vogt Ice, LLC is not responsible for product damage or personnel injury or loss of life during the loading or lifting process.
  • Page 26 P24ALOF & P34ALOF Service Manual INSTALLING YOUR TUBE-ICE MACHINE Figure 3-1A P24ALOF Space Diagram (Front View) 01/2017...
  • Page 27 P24ALOF & P34ALOF Service Manual INSTALLING YOUR TUBE-ICE MACHINE Figure 3-1B P24ALOF Space Diagram (Side View) 01/2017...

  • Page 28: P24Alof Foundation Layout, Figure 3-2

    P24ALOF & P34ALOF Service Manual INSTALLING YOUR TUBE-ICE MACHINE Figure 3-2 P24ALOF Foundation Layout 01/2017...
  • Page 29 P24ALOF & P34ALOF Service Manual INSTALLING YOUR TUBE-ICE MACHINE Figure 3-3A P34ALOF Space Diagram (Front View) 01/2017...
  • Page 30 P24ALOF & P34ALOF Service Manual INSTALLING YOUR TUBE-ICE MACHINE Figure 3-3B P34ALOF Space Diagram (Side View) 01/2017...

  • Page 31: P34Alof Foundation Layout, Figure 3-4

    P24ALOF & P34ALOF Service Manual INSTALLING YOUR TUBE-ICE MACHINE Figure 3-4 P34ALOF Foundation Layout 01/2017...

  • Page 32: Lifting Procedure For P24Alof, Figure 3-5

    P24ALOF & P34ALOF Service Manual INSTALLING YOUR TUBE-ICE MACHINE Figure 3-5 Lifting Procedure for P24ALOF 01/2017...

  • Page 33: Lifting Procedure For P34Alof, Figure 3-6

    P24ALOF & P34ALOF Service Manual INSTALLING YOUR TUBE-ICE MACHINE Figure 3-6 Lifting Procedure for P34ALOF 01/2017...
  • Page 34 P24ALOF & P34ALOF Service Manual 3-10 INSTALLING YOUR TUBE-ICE MACHINE Figure 3-7 Seismic Anchoring Detail for P24ALOF and P34ALOF Tube-Ice Machines 01/2017...

  • Page 35: Water Supply, Drain And Refrigeration Connections, Table 3-1

    Piping and Drain Connections. See Figures 1-1 to 1-8 and 3-11 to 3-17 for connection locations. When connecting refrigeration piping, you must follow and adhere to all piping codes required in the jurisdiction of installation. Vogt recommends ASHRAE 15 “Safety Standard for Refrigeration Systems,” and ASME B31.5 “Refrigeration Piping and Heat Transfer Components,” which are required in many locations throughout the world.

  • Page 36: Water Tank Drain

    P24ALOF & P34ALOF Service Manual 3-12 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 37 P24ALOF & P34ALOF Service Manual 3-13 INSTALLING YOUR TUBE-ICE MACHINE harvest cycle is 50%. If the compressor cannot be unloaded, then a hot gas bypass to the suction line must be installed. See Figures 3-13 through 3-16. Cooling Tower (optional). When selecting a cooling tower, careful attention must be given to operating wet bulb conditions.

  • Page 38: Cooling Tower (Optional)

    P24ALOF & P34ALOF Service Manual 3-14 INSTALLING YOUR TUBE-ICE MACHINE The condenser water pump should be sized on GPM required for condenser at 80 ft. total discharge head for a typical installation. However, due to cooling tower location and pressure drop through water lines, the water pump should be sized for each installation.
  • Page 39 P24ALOF & P34ALOF Service Manual 3-15 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 3-9 1 Pump / 3-Way Valve * Better Freeze Protection COOLING TOWER WATER COOLED...

  • Page 40: Safety Valves

    P24ALOF & P34ALOF Service Manual 3-16 INSTALLING YOUR TUBE-ICE MACHINE  Safety Valves. Two safety pressure relief valves are an integral part of the packaged Tube-Ice machine. They are located on the suction piping of the freezer. Vent each of the pressure relief valves to the atmosphere in such a manner as to comply with local and national codes.

  • Page 41: Voltage Unbalance

    P24ALOF & P34ALOF Service Manual 3-17 INSTALLING YOUR TUBE-ICE MACHINE Voltage Unbalance. Voltage unbalance can cause motors to overheat and fail. Voltage unbalance 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 42: Rotation Check

    P24ALOF & P34ALOF Service Manual 3-18 INSTALLING YOUR TUBE-ICE MACHINE Rotation Check. The compressor, cutter, and pump motor rotation are factory synchronized, but must be checked at installation. For cylinder ice production, the cutter disc as viewed at the ice discharge opening should turn from left to right.

  • Page 43: Interconnecting Piping For Vogt P24Alof And Central High Side, Figure 3-12

    P24ALOF & P34ALOF Service Manual 3-19 INSTALLING YOUR TUBE-ICE MACHINE Figure 3-12 Interconnecting Piping for Vogt P24ALOF and Central High Side 01/2017...

  • Page 44: Interconnecting Piping For Vogt P34Alof And Central High Side, Figure 3-13

    P24ALOF & P34ALOF Service Manual 3-20 INSTALLING YOUR TUBE-ICE MACHINE Figure 3-13 Interconnecting Piping for Vogt P34ALOF and Central High Side 01/2017...
  • Page 45 P24ALOF & P34ALOF Service Manual 3-21 INSTALLING YOUR TUBE-ICE MACHINE Figure 3-14 Interconnecting Piping for Vogt P34ALOF and Central High Side, Screw Compressor 01/2017...
  • Page 46 P24ALOF & P34ALOF Service Manual 3-22 INSTALLING YOUR TUBE-ICE MACHINE Figure 3-15 Interconnecting Piping for 2-Vogt P34ALOF and Central High Side 01/2017...
  • Page 47 P24ALOF & P34ALOF Service Manual 3-23 INSTALLING YOUR TUBE-ICE MACHINE Figure 3-16 Interconnecting Piping for 3-Vogt P34ALOF and Central High Side 01/2017...

  • Page 48: Installation Review: A Checklist

    P24ALOF & P34ALOF Service Manual 3-24 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 49: How Your Tube-Ice Machine Works

    P24ALOF & P34ALOF Service Manual HOW YOUR TUBE-ICE MACHINE WORKS 4. How Your Tube-Ice Machine Works  Operating Features. Your 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 50: Freeze Period

    P24ALOF & P34ALOF Service Manual HOW YOUR TUBE-ICE MACHINE WORKS Freeze Period. Water is frozen inside the stainless steel tubes of the freezer (2) by the direct application of refrigerant to the shell side of the tubes. Ice is produced from constantly circulating water down each tube.

  • Page 51: Piping Schematic For P24Alof, Figure 4-1

    P24ALOF & P34ALOF Service Manual HOW YOUR TUBE-ICE MACHINE WORKS Figure 4-1 Piping Schematic for P24ALOF 01/2017...

  • Page 52: Piping Schematic For P34Alof, Figure 4-2

    P24ALOF & P34ALOF Service Manual HOW YOUR TUBE-ICE MACHINE WORKS Figure 4-2 Piping Schematic for P34ALOF 01/2017...

  • Page 53: Start-Up And Operation

    P24ALOF & P34ALOF Service Manual START-UP & OPERATION 5. Start-Up & Operation Refrigeration System Review. The refrigerant system uses recirculated anhydrous (R-717) refrigerant. Following the piping schematic (Figure 3-12 to 3-16 and 4-1 or 4-2), you will see that a recirculated or overfeed refrigeration system is actually two systems.

  • Page 54: Start-Up Checklist

    P24ALOF & P34ALOF Service Manual START-UP & OPERATION NOTE: Only one evaporator should harvest at a time. If multiple machines harvest during the same period, the high-pressure receiver may not supply enough hot gas to harvest either machine, causing a freeze-up situation. The pressure in the high-pressure receiver should be allowed to recover before another machine is allowed to harvest.

  • Page 55: Ammonia Specification By Grade, Table 5-1

    P24ALOF & P34ALOF Service Manual START-UP & OPERATION Minimum Maximum Maximum Maximum Non- Grade Ammonia Content Water Content Oil Content condensable Fertilizer 99.50% 5000 PPM 5 PPM Refrigeration 99.98% 150 PPM 3 PPM .2 ml/g Federal Technical 99.98% 200 PPM 5 PPM None Metallurgical...

  • Page 56: Charging From Cylinders (For Dedicated High Side Only)

    P24ALOF & P34ALOF Service Manual START-UP & OPERATION Charging from Cylinders (dedicated high side only). The machine may also be charged from refrigerant cylinders. To charge from cylinders, the compressor will have to operate to transfer the ammonia from the freezer to the receiver. Again, make sure all the necessary valves are opened for operation and the compressor crankcase heater has been energized for a minimum for four hours.
  • Page 57 P24ALOF & P34ALOF Service Manual START-UP & OPERATION Transferring refrigerant from a refrigeration system into a cylinder can be very dangerous and is not recommended. As the machine is being charged, continually observe the following operating characteristics: a) Discharge pressure - 175 psig to 200 psig maximum b) Compressor oil pressure - Mycom W-Series, 18-27 psig, Vilter 450-Series, 35-50 psig.

  • Page 58: Control Panel, Figure 5-1

    P24ALOF & P34ALOF Service Manual START-UP & OPERATION Figure 5-1 Control Panel Start-Up. Starting the machine in a freezing cycle can be accomplished as follows: 1. Make sure the crankcase oil temperature is approximately 100F and there is no liquid ammonia in the compressor crankcase.

  • Page 59: Adding Refrigerant

    IMPORTANT Complete the remaining part of the “Warranty/Registration Start-Up Report” and return it to Vogt Ice, LLC. IMPORTANT Check the refrigerant level at the receiver liquid gage glass to make sure it is near the operating level mark.

  • Page 60: Thaw Gas Regulating And Suction Regulating Valve Adjustment

    P24ALOF & P34ALOF Service Manual START-UP & OPERATION Thaw Gas Regulating and Suction Regulating Valve Adjustment. The following is the procedure for regulating valve adjustment. On dedicated compressor systems the suction regulating valve is not required. However, the compressor must unload by 50% or greater during the harvest or a hot gas bypass must be installed.

  • Page 61: Electrical Controls

    P24ALOF & P34ALOF Service Manual ELECTRICAL CONTROLS 6. Electrical Controls  Your low side Tube-Ice machine is equipped with a dry contact (3CR) for a compressor motor starter 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 62: Control Panel (Door Opened), Figure 6-1

    P24ALOF & P34ALOF Service Manual ELECTRICAL CONTROLS Figure 6-1 Control Panel (Door Opened) 01/2017...

  • Page 63: Description Of Control Panel Parts (Inside), Table 6-1

    P24ALOF & P34ALOF Service Manual ELECTRICAL CONTROLS (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 period or when the HAND/AUTO switch is in the HAND position...

  • Page 64: Description Of Control Panel Parts (Outer Door), Table 6-2

    P24ALOF & P34ALOF Service Manual ELECTRICAL CONTROLS Figure 6-2 Control Panel (Hinged Door) Amber Pilot Light – (1LT) Illuminated during the freeze period or whenever the FREEZING circulating water pump is running. Clear Pilot Light – LIQUID (2LT) Illuminated when the circulating water pump is running and FEED the float switch (10) is closed.
  • Page 65 P24ALOF & P34ALOF Service Manual ELECTRICAL CONTROLS Figure 6-3 Electrical Schematic for P24ALOF and P34ALOF all Voltages, 50-60 Hz. 01/2017...
  • Page 66 P24ALOF & P34ALOF Service Manual ELECTRICAL CONTROLS 01/2017...

  • Page 67: Maintenance

    P24ALOF & P34ALOF Service Manual MAINTENANCE 7. Maintenance  Preventive Maintenance. A careful inspection of your Tube-Ice machine for leaks and correct operational functions at the time of installation and start-up will begin a long, satisfactory life of service. In order to insure this degree of dependability, a systematic maintenance program is necessary.

  • Page 68: Preventive Maintenance Form

    P24ALOF & P34ALOF Service Manual MAINTENANCE PREVENTIVE 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 69: Ice-Making Section

    P24ALOF & P34ALOF 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 70: Water Distributors, Table 7-1

    P24ALOF & P34ALOF Service Manual MAINTENANCE 1 1/2” 1 1/4” 1” Tube Size Model Number of Distributors P24ALOF P34ALOF 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 71: Water Tank

    P24ALOF & P34ALOF 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 72: Cooling Tower Maintenance Schedule, Table 7-3

    P24ALOF & P34ALOF 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 73: Compressor (Optional)

    P24ALOF & P34ALOF Service Manual MAINTENANCE Example: Oil pressure gage reading: 65 psig Suction pressure gage reading: 40 psig Net oil pressure: 25 psig The compressor oil should be changed at close intervals during initial break-in operation and up to the first 1000 hours (see Table 7-4 below).
  • Page 74 P24ALOF & P34ALOF Service Manual MAINTENANCE CAUTION Follow all lock-out and tag-out procedures before servicing any electrical equipment. CAUTION 01/2017...

  • Page 75: Troubleshooting

    P24ALOF & P34ALOF 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 if 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 76 P24ALOF & P34ALOF 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 77 P24ALOF & P34ALOF 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, the tripped (optional) 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 78 P24ALOF & P34ALOF Service Manual TROUBLESHOOTING Symptom: Freeze-up due to extended freeze period Possible Cause Possible Remedy Freeze timer (1TR) set too long Adjust timer or replace if defective. See Figure 9-2. Freezer pressure switch (2PS) set too low or Adjust switch or replace if defective.
  • Page 79 P24ALOF & P34ALOF Service Manual TROUBLESHOOTING Symptom: Freeze-up due to ice failing to discharge Possible Cause Possible Remedy Freeze timer (1TR) set too long Adjust timer or replace if defective. See Figure 9-2. Extended freeze period (if 2PS is used) Check freezer pressure...

  • Page 80: Hand Expansion Valve

    P24ALOF & P34ALOF 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 81 P24ALOF & P34ALOF Service Manual TROUBLESHOOTING Symptom: Low ice capacity (cont.) Possible Cause Possible Remedy Excessively high head pressure Check cooling tower or evaporative condenser to make sure sufficient water is provided for cooling and the equipment is operational to cool the water.
  • Page 82 P24ALOF & P34ALOF 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 Page 3-13.
  • Page 83 P24ALOF & P34ALOF 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 84 P24ALOF & P34ALOF Service Manual 8-10 TROUBLESHOOTING Symptom: Compressor oil pressure low (check gages) See Chapter 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 85 P24ALOF & P34ALOF 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. See “Freeze-up due to extended freezer period” Freeze-up and “Freeze-up due to ice failing to discharge”.
  • Page 86 P24ALOF & P34ALOF Service Manual 8-12 TROUBLESHOOTING 01/2017...

  • Page 87: Freeze Timer

    P24ALOF & P34ALOF 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 88: Miniature Rocker Switch Settings For Freeze Timer, Table 9-1

    P24ALOF & P34ALOF Service Manual SERVICING OPERATIONS Switch Table 9-1 Miniature Rocker Switch Settings for Freeze Timer Entering and Displaying Set Points. 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 89: Freeze Timer, Figure 9-2

    P24ALOF & P34ALOF Service Manual SERVICING OPERATIONS Figure 9-2 Freeze Timer (1TR) Control Circuit Protection. The electrical control circuit of the machine is protected by a 6 amp circuit breaker (CB4). If this breaker should open, the machine will immediately stop. Before resetting the circuit breaker, open the disconnect switch and lock-out all power to the control panel.

  • Page 90: Thawing Timer

    The cleaning tools should be rotated at the specified speed for the particular tool used. The tubes should be kept wet during cleaning. 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 91: Cutter Gear Reducer

    P24ALOF & P34ALOF Service Manual SERVICING OPERATIONS Cutter Gear Reducer. The cutter motor and gear reducer (54), Figure 9-5A, 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 92: Gear Reducer Replacement

    P24ALOF & P34ALOF 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 93: Water Tank And Cutter Parts Weights, Table 9-2

    P24ALOF & P34ALOF Service Manual SERVICING OPERATIONS Weight (lbs.) Description Water tank (bare) Bearing bracket assembly and cutter disc Cutter assembly and ring gear Water tank and cutter assembly Cutter disc Cutter drive gear Gear reducer and motor Water pump Table 9-2 Water Tank and Cutter Parts Weights Water Tank Removal...

  • Page 94: Bearing Bracket And Cutter Disc Removal

    P24ALOF & P34ALOF Service Manual SERVICING OPERATIONS 6. Install the gasket, the retainer, and the socket head cap screw and tighten to approximately 15 ft. lb. torque. 7. Check and adjust the cutter height per “Cutter Height Adjustment” instructions. Bearing Bracket and Cutter Disc Removal. 1.

  • Page 95: Cutter Height Adjustment

    P24ALOF & P34ALOF Service Manual SERVICING OPERATIONS 5. Slide the upper bearing spacer on the shaft and begin driving the shaft down through the middle bearing of the housing. Do not start the top shaft bearing in the housing. 6. Partially fill the housing with grease (MPG-2 or a USDA approved grease). Use enough to fill the area between the two upper bearings, forcing some out the pipe plughole when the shaft and top bearing are seated.

  • Page 96: Water Tank Installation

    P24ALOF & P34ALOF Service Manual 9-10 SERVICING OPERATIONS Water Tank Installation. 1. Place the 3/16” thick gum rubber gasket on the top of the tank flange. It can be held in place with narrow strips of tape through the bolt holes. 2.
  • Page 97 P24ALOF & P34ALOF Service Manual 9-11 SERVICING OPERATIONS Figure 9-5B P24ALOF Water Tank Assembly 12/2016...
  • Page 98 P24ALOF & P34ALOF Service Manual 9-12 SERVICING OPERATIONS Item # Description P24A Part Number P34A Part Number Water Tank Assembly 19T4500S2400 19T4500S3400 Water Box Cover (Not Shown) 19T2150C0100 19T2150C0200 Water Pump See Pump Model # See Pump Model # 5/8”-11 NC x 3” Long S.S. Stud 12A 2222L11190000 12A 2222L11190000 5/8”-11 NC x 2”...

  • Page 99: Cutter Ring Gear Replacement

    P24ALOF & P34ALOF Service Manual 9-13 SERVICING OPERATIONS Item # Description P24A Part Number P34A Part Number Splash Curtain Holder 19T4001S0162 19T4001S0163 Splash Curtain Bottom Plate 19T4001S0415 19T4001S0411 Splash Curtain 12A 4078C03000000 12A 4078C02000000 Cutter Ring Gear Replacement. 1. Remove the water tank assembly (see water tank removal). 2.

  • Page 100: Cutter Blade And Adapter Plate Adjustment, Figure 9-6

    P24ALOF & P34ALOF Service Manual 9-14 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 101: Removal Of Ammonia Refrigerant From The Machine

    P24ALOF & P34ALOF Service Manual 9-15 SERVICING OPERATIONS To perform a pumpdown, follow this procedure: 1. With the machine running, close the liquid feed stop valve nearest the receiver. 2. Open the water tank drain valve partially to allow a continuous flow of warm make-up water into the water tank and still maintain a good level in the tank.

  • Page 102: Purging Non-Condensables

    P24ALOF & P34ALOF Service Manual 9-16 SERVICING OPERATIONS by mixing four parts water, one part liquid soap, and a few drops of Glycerin for better capillary attraction.  Apply soap solutions with a narrow brush or spray bottle to all joints, welds, or areas of suspicion.

  • Page 103: Draining The Oil Trap

    P24ALOF & P34ALOF Service Manual 9-17 SERVICING OPERATIONS Follow this procedure when purging: 1. Connect a suitable hose to the purge valve and place the other end in water. 2. Open (slightly) the purge valve and allow air to escape. 3.

  • Page 104: Circulating Water Pump Motor

    P24ALOF & P34ALOF Service Manual 9-18 SERVICING OPERATIONS 4. Open the hot gas check valve (101). 5. Open the drain valve a little and drain out the oil and water that is present. 6. Continue to drain oil/water, and purge the freezer and compressor to 0 psig. 7.

  • Page 105: Thaw Gas Solenoid Valve, Figure 9-7

    P24ALOF & P34ALOF Service Manual 9-19 SERVICING OPERATIONS 5. With the valve manually opened (stem out), open slightly only one stop valve (90) and purge air from the line through the 1/4” tubing compression nut at the strainer. Then close that valve (90) and open the other valve (90) to purge air from that section of the line.
  • Page 106 P24ALOF & P34ALOF Service Manual 9-20 SERVICING OPERATIONS 7. After purging, manually close (screw stem out) the solenoid valve and open stop valves (29) and (58), check for leaks. Figure 9-8 Liquid Line Solenoid Valve Thaw Chamber Check Valve (101) Fig. 9-9. This valve is closed during the freeze cycle to keep the thaw chamber from filling with liquid ammonia.

  • Page 107: Water Flush Solenoid Valve

    P24ALOF & P34ALOF Service Manual 9-21 SERVICING OPERATIONS Water Flush Solenoid Valve (63) is opened during the thaw (harvest) cycle, to flush out some of the impurities form the water in the tank, thereby improving the ice quality. Repair or replace as follows: 1.

  • Page 108: Belt Tension

    P24ALOF & P34ALOF Service Manual 9-22 SERVICING OPERATIONS Belt Tension. New belts should be checked after the first day running, after the first week for tension, then at regular intervals for tension, alignment, and wear 1. Always use matched sets or banded belts for multiple belt applications. 2.

  • Page 109: 10. Options And Accessories

    P24ALOF & P34ALOF Service Manual 10-1 OPTIONS AND ACCESSORIES 10. Options and Accessories Crushed Ice Production. Your P24 or 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 110: Mitsubishi E1012 Operator Interface, Figure 10-1

    P24ALOF & P34ALOF Service Manual 10-2 OPTIONS AND ACCESSORIES The PLC/Interface adds features such as selectable “Automatic Restart” after a power failure, choice of timed or pressure switch controlled freeze cycles and Freezer “Pumpdown”. For package units, the machine will automatically “Pumpdown” before cycling off. The PLC/Interface provides the following programmable functions: ...

  • Page 111: Mitsubishi Plc

    P24ALOF & P34ALOF Service Manual 10-3 OPTIONS AND ACCESSORIES The Mitsubishi unit also records the last 10 machine cycles. This data can be viewed by pressing the HISTORY button on the interface until the CYCLE HISTORY title appears. Press the down arrow to scroll through the information.

  • Page 112: Mitsubishi Plc Input / Outputs, Table 10-1

    P24ALOF & P34ALOF Service Manual 10-4 OPTIONS AND ACCESSORIES Figure 10-3 Mitsubishi FX3GE-24MR PLC and FX -8ER-ES/UL (Used after 2015) Inputs Description Outputs Description Not used Not used Not used High Side Control Interlock Start / Manual Harvest Button Conveyor Control Contact Selector Switch (Clean position) ET - Elapsed Timer Selector Switch (Ice position)

  • Page 113: Wiring Schematic - P24Al/P34Al With Mitsubishi Plc, Figure 10-4

    P24ALOF & P34ALOF Service Manual 10-5 OPTIONS AND ACCESSORIES Figure 10-4 Wiring Schematic – P24AL/P34AL with Mitsubishi PLC 01/2017...

  • Page 114: Power Monitor

    10-6 OPTIONS AND ACCESSORIES Power Monitor, Wagner Model # DTP-3. All Vogt Tube-Ice machine models are available from the factory with a three phase line voltage power monitor with LCD display. The units are also available for after market or retrofit installation. These units monitor line voltage inputs from 190 to 610 volts and provide protection against line voltage variances which can damage or destroy the compressor motor.

  • Page 115: Power Monitor Parameter Limits, Table 10-2

    P24ALOF & P34ALOF Service Manual 10-7 OPTIONS AND ACCESSORIES Parameter Minimum Maximum Default Recommended Unit Settings Line Side Voltage (Nominal Supply voltage Volts Voltage) Under /Over Voltage (tolerance) Phase Unbalance Lockout Time (Delay on Break) Seconds Delay Time (Delay on Make) Seconds Response Time (Delay on Fault) Seconds...
  • Page 116 P24ALOF & P34ALOF Service Manual 10-8 OPTIONS AND ACCESSORIES Display of fault memories (MEM flashes). Pressing up or down displays the last fault conditions that took the unit off line. The first 25 faults are recorded. The top number displayed represents the fault memory.
  • Page 117 (4) Compressor Requirements is based on 16F suction temperature, 100°F condensing temperature, 70°F ambient, and 25% blow down. (5) Makeup water is maximum value and includes 25% blow down each cycle. Vogt reserves the right to change designs and specifications without notice. Table 11-1...
  • Page 118 (4) Compressor Requirements is based on 16F suction temperature, 100°F condensing temperature, 70°F ambient, and 25% blow down. (5) Makeup water is maximum value and includes 25% blow down each cycle. Vogt reserves the right to change designs and specifications without notice. Table 11-2...
  • Page 119 P24ALOF & P34ALOF Service Manual 11-3 TABLES & CHARTS Cylinder Ice Crushed Ice Make-Up Water Tube Size Tube Size 1” 1 1/4” 1 1/2” 1” 1 1/4” 1 1/2” Temp. °F 5.25 5.59 5.18 6.30 6.98 6.47 4.96 5.26 4.88 6.20 6.57 4.71...
  • Page 120 P24ALOF & P34ALOF Service Manual 11-4 TABLES & CHARTS Liquid Feed Rate (lbs/hr) Suction Pressure Model 35 psi 30 psi 25 psi 20 psi 15 psi P24ALOF-1" 1812.4 2473.1 3064.8 3605.1 4094.2 P24ALOF-1 1/4" 1747.2 2440.7 3084.1 3694.4 4277.7 P24ALOF-1 1/2" 1258.2 1804.5 2345.2...

  • Page 121: Recommended Spare Parts List

    P24ALOF & P34ALOF Service Manual 11-5 TABLES & CHARTS RECOMMENDED SPARE PARTS LIST ® Vogt Model P24ALOF and P34ALOF Tube-Ice Machine P24A PART NO. P34A PART NO. DESCRIPTION 12A-7503E22000000 12A-7503E22000000 Thaw timer 208/230 Suction pressure gage 30”-150# 12A-2590G12000000 12A-2590G12000000 Discharge pressure gage 30”-300#...
  • Page 122 P24ALOF & P34ALOF 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 123: Conversion Factors: English To Metric, Table 11-8

    P24ALOF & P34ALOF 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 Paschals 47.88 lbf/in (psi) Paschals 6894.76...
  • Page 124 P24ALOF & P34ALOF Service Manual 11-8 TABLES & CHARTS 01/2017...
  • Page 125 P24ALOFOF & P34ALOFOF Service Manual 12-1 INDEX 12. Index drive gear replacement ----------------------------------------- 9-5 A Brief History of Henry Vogt Machine Co. ---------------------- 1-1 gear reducer replacement -------------------------------------- 9-6 Adding Refrigerant------------------------------------------------------5-6 Cutter Height Adjustment --------------------------------------------- 9-9 Ammonia Specification by Grade ------------------------------------5-2...
  • Page 126 12-2 P24ALOF & P34ALOF Service Manual INDEX J, K P24ALOF ------------------------------------------------------------------- heat rejection --------------------------------------------------- 3-13 Length of Ice ----------------------------------------------------------- 10-2 make-up water usage ------------------------------------------ 11-4 Lifting Procedures -------------------------------------------------------3-1 normal operating vitals --------------------------------------- 11-5 lifting diagram for P24ALOF ----------------------------------3-8 specifications --------------------------------------------------- 11-2 lifting diagram for P34ALOF ----------------------------------3-9 P34ALOF ------------------------------------------------------------------- Liquid Feed Solenoid Valve (20) ------------------------ 1-7, 1-8, 9-20...
  • Page 127 P24ALOF & P34ALOFService Manual 12-3 INDEX parts list --------------------------------------------------------- 9-12 Safety Notice -------------------------------------------------------------1-2 Water Tank Drain ----------------------------------------------------- 3-12 Safety Switches ----------------------------------------------------------6-1 Water Tank Installation ----------------------------------------------- 9-10 Safety Symbols and What They Mean -------------------------------1-2 Water Tank Overflow ------------------------------------------------- 3-12 Safety Tags and Labels -------------------------------------------------2-2 Water Tank Removal -------------------------------------------------- 9-7 Safety Valves ---------------------------------------------------------- 3-16 Wiring and Electrical Connections --------------------------------- 3-16...
  • Page 128 12-4 P24ALOF & P34ALOF Service Manual INDEX 01/2017...
  • Page 129 Appendix A...
  • Page 130 Material Safety Data Sheet # 4001 OCHE NDUSTRIES INC 2/15/96 SECTION 1: CHEMICAL PRODUCT & COMPANY IDENTIFICATION CHEMICAL NAME: Anhydrous Ammonia TRADE NAMES/SYNONYMS Ammonia PRODUCT CODE: 5B81-83 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 131 SECTION 8: EXPOSURE CONTROLS/PERSONAL PROTECTION RESPIRATORY PROTECTION: Respiratory protection approved by NIOSH/MSHA for ammonia must be used when 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 133 Copyright 1989 by LaRoche Industries Inc. All rights reserved. Quotation or production in whole or part without written permission is expressly prohibited.
  • Page 147 VOGT® TUBE-ICE® MACHINE BASIC PRODUCT WARRANTY Vogt Tube Ice LLC, hereinafter referred to as SELLER, warrants to the pipework and similar items of obstruction or for any cost brought about by original Purchaser from SELLER or the original end-user, hereinafter the necessity of removing the product from its point of installation.

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