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Welcome to Follett Corporation .................................................................................................................................. 4
Specifications .............................................................................................................................................................. 5
Operation ....................................................................................................................................................................... 7
Cleaning, weekly exterior care .............................................................................................................................. 7
Cleaning, semi-annual evaporator cleaning .......................................................................................................... 7
Service ......................................................................................................................................................................... 12
Ice machine operation ......................................................................................................................................... 12
Water system....................................................................................................................................................... 13
Electrical system ................................................................................................................................................. 14
Normal control board operation ................................................................................................................... 14
Test points .................................................................................................................................................... 15
Error faults ................................................................................................................................................... 15
Hard errors ................................................................................................................................................... 15
Soft errors .................................................................................................................................................... 15
Relay output indication ................................................................................................................................. 15
Compressor/refrigerant solenoid output ....................................................................................................... 15
Wiring diagram, evaporator unit ................................................................................................................... 16
Wiring diagram, condenser unit ................................................................................................................... 17
Gearmotor data ............................................................................................................................................ 17
Mechanical system .............................................................................................................................................. 18
Evaporator disassembly ............................................................................................................................... 18
Evaporator reassembly ................................................................................................................................ 20
Refrigeration system ........................................................................................................................................... 23
Condenser unit operation ............................................................................................................................ 23
Refrigerant pressure data ............................................................................................................................ 23
Refrigerant charges ..................................................................................................................................... 23
Refrigeration system diagram ...................................................................................................................... 24
Refrigerant replacement requirements ........................................................................................................ 25
Evacuation ................................................................................................................................................... 25
Ambients (evaporator unit) ........................................................................................................................... 25
Ice capacity test ........................................................................................................................................... 25
Bin full detection system ..................................................................................................................................... 26
Troubleshooting ................................................................................................................................................... 27
Replacement parts .............................................................................................................................................. 30
Horizon HCD700R/N, HMD700R/N Ice Machines
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