Hoshizaki HR24A User Manual
3
CONTENTS
Important Safety Information ................................................................................................. 5
I. Specifications ...................................................................................................................... 7
I. Specifications ...................................................................................................................... 7
1. Storage Capacity ...................................................................................................... 7
2. Dimensions .............................................................................................................. 8
2. Dimensions .............................................................................................................. 8
A. Construction .................................................................................................................. 9
B. Sequence of Operation ............................................................................................... 10
B. Sequence of Operation ............................................................................................... 10
1. Sequence Cycles and Shutdown ........................................................................... 10
2. Sequence Flow Chart ............................................................................................ 12
2. Sequence Flow Chart ............................................................................................ 12
D. Cabinet Temperature ................................................................................................... 15
E. Display Module Icons .................................................................................................. 16
F. Control Panel Lockout .................................................................................................. 16
G. Alarm Safeties ............................................................................................................. 17
H. Service Menu .............................................................................................................. 18
E. Display Module Icons .................................................................................................. 16
F. Control Panel Lockout .................................................................................................. 16
G. Alarm Safeties ............................................................................................................. 17
H. Service Menu .............................................................................................................. 18
A. Refrigeration Circuit .................................................................................................... 24
B. Wiring Diagram ............................................................................................................ 25
B. Wiring Diagram ............................................................................................................ 25
A. Diagnostic Procedure .................................................................................................. 26
B. Control Board Check ................................................................................................... 29
C. Thermistor Check ........................................................................................................ 30
D. Diagnostic Chart ......................................................................................................... 31
B. Control Board Check ................................................................................................... 29
C. Thermistor Check ........................................................................................................ 30
D. Diagnostic Chart ......................................................................................................... 31
1. Refrigerant Recovery ............................................................................................. 33
2. Brazing .................................................................................................................. 34
3. Evacuation and Recharge (R-134a) ...................................................................... 34
2. Brazing .................................................................................................................. 34
3. Evacuation and Recharge (R-134a) ...................................................................... 34
B. Important Notes for Component Replacement ............................................................ 35
C. Door Reversal ............................................................................................................. 36
C. Door Reversal ............................................................................................................. 36
IMPORTANT
This manual should be read carefully before the appliance is serviced. Read
the warnings and guidelines contained in this booklet carefully as they provide
essential information for the continued safe use, service, and maintenance of the
appliance. Retain this booklet for any further reference that may be necessary.
the warnings and guidelines contained in this booklet carefully as they provide
essential information for the continued safe use, service, and maintenance of the
appliance. Retain this booklet for any further reference that may be necessary.