
03TA Service Manual
TABLE OF CONTENTS
iv
Page No.
9. SERVICE OPERATIONS (Cont.)
Oil Separator, FIGURE 9-6 ........................................................................................................................................... 9-6
Solenoid Valve ..............................................................................................................................................................9-5
Solenoid Valve (“D” & "X" Valve Before Aug 2006), FIGURE 9-7A .........................................................................9-6
Solenoid Valve (“D” & "X" Valve After Aug 2006), FIGURE 9-7B............................................................................9-6
Solenoid Valve (“A” Valve), FIGURE 9-7C .................................................................................................................9-6
Compressor Crankcase Heater.......................................................................................................................................9-7
Compressor Connections, FIGURE 9-8.........................................................................................................................9-7
Sentronic Oil Pressure Safety Control, FIGURE 9-9A..................................................................................................9-8
Oil Pressure Sensor..................................................................................................................................................9-9
Sentronic Oil Pressure Safety Control .....................................................................................................................9-8
CoreSense Protection.....................................................................................................................................................9-9
CoreSense Protection Faults / Connection, Figure 9-9B...............................................................................................9-10
Control Circuit Protection .......................................................................................................................................... 9-10
Circulating Water Pump Motor, FIGURE 9-10 .............................................................................................................9-11
Cutter Gear Reducer, FIGURE 9-11 ........................................................................................................... 9-11
Thawing Timer, FIGURE 9-12A ................................................................................................................ 9-12
Thawing Timer Pin Connections, FIGURE 9-12B...................................................................................... 9-12
Condenser Cleaning.......................................................................................................................................................9-13
Pump Down ...................................................................................................................................................................9-13
Removal Of Refrigerant From Machine ........................................................................................................................9-13
Refrigerant Leaks...........................................................................................................................................................9-14
Non-Condensable Gases ................................................................................................................................................9-14
Compressor Motor Burnout ...........................................................................................................................................9-15
Capacity Control Valve (Internal Construction) ............................................................................................................9-16
Copeland Compressor Unloader Valve, FIGURE 9-13 .................................................................................................9-16
Loaded Operation (Freeze Period), Unloaded Operation (During Thaw Only) .......................................................9-16
Component Removal and Replacement Operations.......................................................................................................9-17
Cutter Motor ............................................................................................................................................................9-17
Water Tank ..............................................................................................................................................................9-18
Cutter & Bearing .....................................................................................................................................................9-18
Cutter/Tank Assembly Nomenclature, TABLE 9-1.......................................................................................................9-19
Cutter, Water Tank & Drive Gear Assembly, FIGURE 9-14 ........................................................................................9-20
Water Tank & Pump Assembly, FIGURE 9-15.............................................................................................................9-21
Crushed Ice Production..................................................................................................................................................9-22
10. OPTIONS AND ACCESSORIES
Power Monitor, FIGURE 10-1 .....................................................................................................................................10-1
Power Monitor Parameters, TABLE 10-1 ....................................................................................................................10-1
PLC (Programmable Logic Controller) ........................................................................................................................10-4
Mitsubishi HMI (E1012), FIGURE 10-2 ......................................................................................................................10-5
PLC, FIGURE 10-3 ......................................................................................................................................................10-6
PLC, Input / Output Table, TABLE 10-2 .....................................................................................................................10-6
Wiring Schematic
, FIGURE 10-24.............................................................................................................................10-6