Horizon 1000R/N Ice Machines
3
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
Table of contents
