Hoshizaki rf28a Manual Suplementar

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IV. Removal and Replacement of Components ................................................................... 33

A. Service for Refrigerant Lines ...................................................................................... 33

1. Refrigerant Recovery ............................................................................................. 33
2. Evacuation and Recharge ..................................................................................... 33

B. Brazing ........................................................................................................................ 34
C. Removal and Replacement of Compressor ................................................................ 34
D. Removal and Replacement of Drier ............................................................................ 35
E. Removal and Replacement of Thermistors ................................................................. 35
F. Removal and Replacement of Defrost Heater ............................................................. 36
G. Removal and Replacement of Safety Defrost Thermostat .......................................... 36
H. Removal and Replacement of Defrost Thermal Fuse ................................................. 36
I. Removal and Replacement of Capillary Tube / Heat Exchanger / Suction Line

Assembly .................................................................................................................. 37

J. Removal and Replacement of Drain Tank Heater ........................................................ 37
K. Removal and Replacement of Primary Drain Tank Thermostat .................................. 38
L. Removal and Replacement of Safety Drain Tank Thermostat ..................................... 38
M. Removal and Replacement of Drain Tank Thermal Fuse ........................................... 38
N. Removal and Replacement of Evaporator .................................................................. 38
O. Removal and Replacement of Condenser .................................................................. 39
P. Removal and Replacement of Door Gasket ................................................................ 40
Q. Removal and Replacement of Control Boards ........................................................... 40
R. Removal and Replacement of Fan Motors .................................................................. 41
S. Door Re-Hinging ......................................................................................................... 42

V. Cleaning Instructions ....................................................................................................... 43
VI. Wiring Diagrams ............................................................................................................. 44

A. RR28A ........................................................................................................................ 44
B. RR55A ......................................................................................................................... 45
C. RF28A ......................................................................................................................... 46
D. RF55A ......................................................................................................................... 47