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CONTENTS
I. Specification ...................................................................................................................... 5
1. Icemaker ....................................................................................................................... 5
F-801MAH.................................................................................................................. 5
F-801MWH ................................................................................................................. 6
F-801MAH-C .............................................................................................................. 7
F-801MWH-C ............................................................................................................. 8
II. General Information .......................................................................................................... 9
1. Construction .................................................................................................................9
F-801MAH/-C ............................................................................................................. 9
F-801MWH/-C .......................................................................................................... 10
2. Control Box Layout ..................................................................................................... 11
F-801MAH/-C ........................................................................................................... 11
F-801MWH/-C .......................................................................................................... 12
III. Technical Information ..................................................................................................... 13
1. Water Circuit and Refrigeration Circuit........................................................................ 13
F-801MAH/-C ........................................................................................................... 13
F-801MWH/-C .......................................................................................................... 14
2. Wiring Diagrams ......................................................................................................... 15
F-801MAH/-C, F-801MWH/-C .................................................................................. 15
3. Sequence of Electrical Circuit .................................................................................... 16
4. Timing Chart ............................................................................................................... 26
5. Performance Data ....................................................................................................... 29
F-801MAH................................................................................................................ 29
F-801MWH ............................................................................................................... 30
F-801MAH-C ............................................................................................................ 31
F-801MWH-C ........................................................................................................... 32
IV. Adjustment of Components ............................................................................................ 33
1. Adjustment of Water Regulating Valve (water-cooled model only) .............................. 33
2. Adjustment of Flake Size ............................................................................................ 34
V. Service Diagnosis........................................................................................................... 35
1. No Ice Production ....................................................................................................... 35
2. Low Ice Production ..................................................................................................... 37
3. Other ........................................................................................................................... 38
VI. Removal and Replacement of Components .................................................................. 39
1. Service for Refrigerant Lines ...................................................................................... 39
[a] Refrigerant Recovery........................................................................................... 39
[b] Evacuation and Recharge [R-404A] .................................................................... 39
2. Brazing ....................................................................................................................... 40
3. Removal and Replacement of Compressor ................................................................ 41
4. Removal and Replacement of Drier ........................................................................... 42
Please review this manual. It should be read carefully before the icemaker is serviced or
maintenance operations are performed. Only qualified service technicians should service
and maintain the icemaker. This manual should be made available to the technician prior
to service or maintenance.