VOGT ICE 12A4171M12 User manual

8/28/00
MHG-LR MODULAR
TURBO
REFRIGERATING®
ICE MACHINE
Manual Part Number 12A4171M12
Service Manual
$50
00

NOTICE
This manual is the property of the owner of this particular Tube-Ice®
machine.
Model #____________________ Serial #____________________.
It is to be left on the premises with this machine at all times. After start-
up, it should be stored in a safe place where it can be readily available
when needed for future reference in maintaining troubleshooting or
servicing.
Failure to comply with this notice will result in unnecessary
inconvenience and possible additional expenses.
This manual is intended as an informational tool for the installation,
operation, maintenance, troubleshooting, and servicing of this equipment.
If an existing situation calls for additional information not found herein,
we suggest that you contact your distributor first. If further assistance or
information is needed, please feel free to contact the factory at 502-635-
3000 or FAX at 502-635-3024.
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 Ave.
Louisville, KY 40210

8/28/00
Warranty Registration / Start-Up Form
(Medium & Large Machines)
Model Number: __________________________ Serial Number: __________________________
This form must be filled out completely and signed by the customer in order to assure acceptance by Vogt.
Date of Start-Up: _______________________________ Form Completed By: _____________________________________
AC Condenser Model Number: _____________________ AC Condenser Serial Number: _____________________________
Water Treatment System? Yes No Manufacturer: ____________________ Model: ________________________
Bin Manufacturer: _______________________ Model: _________________________ Bin Capacity: _______ lbs.
Distributor
Company Name: ____________________________________________ Phone: _______________________
Address: ____________________________________ City: _________________________ State: ___________ Zip: ___________
Service Company
Company Name: ____________________________________________ Phone: _______________________
Address: ____________________________________ City: _________________________ State: ___________ Zip: ___________
Customer (location of equipment)
Company Name: ____________________________________________ Phone: _______________________
Address: ____________________________________ City: _________________________ State: ___________ Zip: ___________
PRE-OPERATION CHECK
Service Manual on hand
Machine room suitable 50°F minimum, 110°F maximum
Power Supply ______ V _____ PH _____ Hz (machine not running)
Compressor crankcase heater on 12 hour minimum
All valves opened or closed as tagged
Solenoid valve stems in auto position
System leak checked/tight
Auxiliary equipment overloads wired into control circuit
Water supply and drains connected properly
Sufficient make-up water supply (minimum 30 PSIG)
Instruction manual and warranty certificate left on-site
Name of person left with: __________________________________
OPERATION CHECK
Power Supply ______ V _____ PH _____ HZ (machine running)
Pump , cutter & other motor direction of rotation correct
Water pump amps RLA__________ Actual __________
Condenser motor amps (if applicable) _________
Incoming potable water temperature: _____°F
All water distribution in place (visually inspected)
Make-up water float valve operates properly
Clear ice Yes No
Hour meter in control panel connected and operating
Suction Pressure: End of freeze ________ End of harvest ________
Discharge Pressure: End of freeze ________ End of harvest ________
Test
Cycle
Make-up
Water Temp
Freeze Time
Min/Sec
Harvest Time
Min/Sec
First Ice Out
Min/Sec
All Ice Out
Min/Sec
Avg. Hole
Size
Ice
Lb. Per Harvest
Ice
Lb. Per Day
#1
#2
#3
#4
Note: Ice lb. per day can be found by:
Remarks:
Technician Signature: ___________________________ End User Signature:_____________________________
I certify that I have performed all of the above procedures.
1440×
+me)harvest titime(freeze
harvestperlb.ice
Vogt Ice L.L.C.
1000 W. Ormsby
Louisville, KY 40210
[phone]
FAX #[phone]
THIS FORM MUST BE SENT TO
VOGT TO ACTIVATE WARRANTY
Vogt Order Number: ____________________

3/30/10
VOGT ICE



, LLC, located in
Louisville, Kentucky since 1880.
Sales - [phone]
Parts and Service - [phone]
Since 1880, Manufacturers of Quality
Tube-Ice
®
Machines

Vogt

Turbo Refrigerating

Ice Machines
Installation, Service Manual and Parts Catalog #12A4171M12
Modular Lowside Model

MHG-LR Service Manual
TABLE OF CONTENTS
3/30/10
i
TABLE OF CONTENTS
Vogt
®
TUBE-ICE
®
MACHINES
MHG-LR Modular Model
Page No.
1. INTRODUCTION
A Brief History Of Our Company ..................................................................................................................................1-1
Preview ...........................................................................................................................................................1-1
Important Safety Notice ..................................................................................................................................................1-2
Special Precautions To Be Observed When Charging Refrigeration Systems............................................................1-2
Safety Symbols and What They Mean ...........................................................................................................................1-3
Assembly Drawing Model MHGFL, FIGURES 1-1, 1-2, 1-3 & 1-4 ............................................................................1-4 to 1-6
2. RECEIPT OF YOUR VOGT-ICE MACHINE
Inspection ...........................................................................................................................................................2-1
Description of Machine....................................................................................................................................................2-1
Safety Tags and Labels....................................................................................................................................................2-1
Safety Valves ...........................................................................................................................................................2-1
Rated Capacity ...........................................................................................................................................................2-2
Turbo Modular Machines Unified Number Model Structure ......................................................................................2-3
3. INSTALLING YOUR VOGT-ICE MACHINE
Machine Room ...........................................................................................................................................................3-1
Lifting Procedures ...........................................................................................................................................................3-1
Modular Unit Lifting Procedure FIGURE 3-1 ..........................................................................................................3-2
Foundation Layout...........................................................................................................................................................3-2
Foundation Height- Modular Unit, FIGURE 3-2..........................................................................................................3-3
Mounting Detail- Modular Unit, FIGURE 3-3 ..........................................................................................................3-4
Piping and Drain Connections, TABLE 3-1 ..................................................................................................................3-4
Make-up Water In ...........................................................................................................................................................3-5
Water Tank Drain ...........................................................................................................................................................3-5
Water Tank Overflow......................................................................................................................................................3-5
Water Piping, FIGURE 3-4.............................................................................................................................................3-5
Wet Suction and Liquid Stop Valve................................................................................................................................3-6
Compressor Unloading ....................................................................................................................................................3-6
Safety Valves ...........................................................................................................................................................3-6
Spacing and Connection Diagram, (Flooded) FIGURE 3-5..........................................................................................3-7
Customer Piping-LR, (Flooded) FIGURE 3-6...............................................................................................................3-8
Piping Schematic (Flooded), FIGURE 3-7 .....................................................................................................................3-9
Wiring and Electrical Connection ..................................................................................................................................3-10
Typical Master Panel and Module Connection, FIGURE 3-8......................................................................................3-10
Master Panel Field Connections, Figure 3-9.................................................................................................................3-11
Master Panel Field Connections, (Detail) FIGURE 3-10 ..............................................................................................3-12

MHG-LR Service Manual
TABLE OF CONTENTS
ii
Page No.
INSTALLING YOUR TUBE-ICE MACHINE (con’t)
Master Panel Field Ethernet Connections (Detail) Figure 3-11 ................................................................................3-13
Modular Panel Field Connections Figure 3-12...........................................................................................................3-14
Electrical Specifications, Table 3-2 .............................................................................................................................3-15
Phase Check ...........................................................................................................................................................3-15
Voltage Unbalance........................................................................................................................................................3-15
Current Unbalance ......................................................................................................................................................3-16
Screw Conveyor ...........................................................................................................................................................3-16
Startup Checklist ..........................................................................................................................................................3-18
4. HOW YOUR TUBE-ICE MACHINE WORKS
Principle of Operation .....................................................................................................................................................4-1
Freeze Period ...........................................................................................................................................................4-1
Dry Out Period ...........................................................................................................................................................4-2
Harvest Period ...........................................................................................................................................................4-2
Piping Nomenclature, (Dedicated High Side) Table 4-1................................................................................................4-2
Piping Schematic FIGURE 4-1......................................................................................................................................4-3
Water Piping Schematic, FIGURE 4-2...........................................................................................................................4-4
Typical High Side Layout FIGURE 4-3 .........................................................................................................................4-4
5. START-UP AND OPERATION
Refrigeration System Review..........................................................................................................................................5-1
Refrigerant Charge..........................................................................................................................................................5-2
Ammonia Specification By Grade, Table 5-1.................................................................................................................5-2
Special Precautions ..........................................................................................................................................................5-2
Charging From Tank Truck (dedicated high side only)................................................................................................5-2
Charging From Cylinders (dedicated high side only) ...................................................................................................5-3
Start-up Procedure .........................................................................................................................................................5-5
Thaw Gas Regulating and Suction By-pass Valve Adjustment ...................................................................................5-5
Shut-down Procedure .....................................................................................................................................................5-6
Operating Tips ...........................................................................................................................................................5-7
6. ELECTRICAL CONTROLS & THEIR FUNCTIONS
General Information ........................................................................................................................................................6-1
Diagram depicting a typical Master / Modular set up, FIGURE 6-1...........................................................................6-1
Master Panel (Door Closed), FIGURE 6-2 ....................................................................................................................6-2
Master Panel (Interior View), FIGURE 6-3 ..................................................................................................................6-2
Master Control Panel Components, Table 6-1...............................................................................................................6-2
Exterior View Modular Panel, FIGURE 6-4 .................................................................................................................6-3
Modular Panel (Interior View), FIGURE 6-5................................................................................................................6-3
Modular Control Panel Components Functions, Table 6-2 ..........................................................................................6-3

MHG-LR Service Manual
TABLE OF CONTENTS
3/30/10
iii
Page No
6. ELECTRICAL CONTROLS & THEIR FUNCTIONS (con’t)
Configuring a New System or Module .................................................................................................................................6-4
Dip Switch Settings for ECOM, Table 6-3...........................................................................................................................6-5
Modular Unit Operation .......................................................................................................................................................6-5
Function of the Switch, Table 6-4.........................................................................................................................................6-6
Failure Indicators, Table 6-5.................................................................................................................................................6-6
Master Panel Operation ........................................................................................................................................................6-7
Operator Interface Function Buttons, FIGURE 6-6 ...........................................................................................................6-7
Operator Interface Function Map, Table 6-6 ......................................................................................................................6-8
Operator Interface Item Descriptions, Table 6-7 ................................................................................................................6-9
Starting the Modular Unit.....................................................................................................................................................6-10
7. MAINTENANCE
Preventive Maintenance ..................................................................................................................................................7-1
Preventive Maintenance Form........................................................................................................................................7-2
Ice-Making Section ..........................................................................................................................................................7-3
Cleaning Procedure .........................................................................................................................................................7-3
Water Distribution System..............................................................................................................................................7-4
Water Distributors...........................................................................................................................................................7-4
Water Tank ...........................................................................................................................................................7-4
Oil Trap Draining ...........................................................................................................................................................7-5
Optional Maintenance Operations..................................................................................................................................7-5
Water Cooled Condenser Cleaning ................................................................................................................................7-5
Cooling Tower/Evaporative Condenser .........................................................................................................................7-6
Cooling Tower Maintenance Schedule, Table 7-3 .........................................................................................................7-6
Compressor (Optional) ....................................................................................................................................................7-7
Compressor Maintenance, Table 7-4..............................................................................................................................7-7
8. TROUBLESHOOTING
List Of Symptoms ...........................................................................................................................................................8-1
Machine Stopped ...........................................................................................................................................................8-2
Freeze up Due To Extended Freeze Period....................................................................................................................8-3
Freeze-Up Due To Ice Failing To Discharge..................................................................................................................8-3
Low Ice Capacity ...........................................................................................................................................................8-4
Poor Ice Quality ...........................................................................................................................................................8-5
High Discharge Pressure (Check Gage Accuracy) ........................................................................................................8-5
Low Discharge Pressure (Check Gage Accuracy) .........................................................................................................8-5
High Suction Pressure (Check Gage Accuracy) ............................................................................................................8-6
Compressor Running Unloaded During Freeze (Dedicated Compressor Only)..........................................................8-6
Compressor Oil Pressure Low (Check Gage Accuracy) ...............................................................................................8-6
Compressor Loosing Oil Excessively.............................................................................................................................8-6
High Compressor Discharge Temperature ....................................................................................................................8-7
Suction Line Frosting To Compressor ...........................................................................................................................8-7

MHG-LR Service Manual
TABLE OF CONTENTS
iv
Page No
. SERVICE OPERATIONS
Total Cycle Time ...........................................................................................................................................................9-1
Standard Defrost Time ....................................................................................................................................................9-1
Dry Time ...........................................................................................................................................................9-1
Liquid Shut Off ...........................................................................................................................................................9-1
Manual Defrost Time.......................................................................................................................................................9-1
Extended Defrost Time....................................................................................................................................................9-1
Defrost Extend Count......................................................................................................................................................9-1
Conveyor Timer ...........................................................................................................................................................9-1
Make-Up Water Float Valve ...........................................................................................................................................9-1
Refrigerant Float Switch (23) .........................................................................................................................................9-2
Hand Expansion Valve (9)...............................................................................................................................................9-2
Solenoid Valves (18, 25)...................................................................................................................................................9-2
Control Circuit Fuse (FU1) .............................................................................................................................................9-2
Circulating Water Pump .................................................................................................................................................9-2
Pumpdown ...........................................................................................................................................................9-2
Pumpdown Procedure .....................................................................................................................................................9-3
Removal of Ammonia Refrigerant..................................................................................................................................9-3
Refrigerant Leaks ...........................................................................................................................................................9-4
Non-condensable Gases ...................................................................................................................................................9-4
Purging Non-condensable Gases.....................................................................................................................................9-4
Purging Procedure...........................................................................................................................................................9-5
Draining the Oil Trap......................................................................................................................................................9-5
Oil Trap Draining Procedure..........................................................................................................................................9-5
Removing Excess Water From Ammonia.......................................................................................................................9-6
Water Removal Procedure ..............................................................................................................................................9-6