iv
TABLE OF CONTENTS
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
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
Cutter Motor ............................................................................................................................................................ 9-17
Water Tank .............................................................................................................................................................. 9-18
Cutter & Bearing ..................................................................................................................................................... 9-18
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
Power Monitor, FIGURE 10-1 ..................................................................................................................................... 10-1
PLC, FIGURE 10-3 ...................................................................................................................................................... 10-6
PLC, Input / Output Table, TABLE 10-2 ..................................................................................................................... 10-6
Wiring Schematic
, FIGURE 10-24 ............................................................................................................................. 10-6
03TA Service Manual
Page No.