Hoshizaki KM-1301SAH/3 Service Manual page 4

e) Harvest Pump Timer (S4 dip switch 7) ............................................................. 27
f) Factory Use (S4 dip switch 8) ........................................................................... 27
g) Freeze Timer (S4 dip switch 9 & 10) ................................................................ 27
h) Float Switch Control (S5 dip switch 1) ............................................................ 28
i) Refill Counter (S5 dip switch 2 through 5) ......................................................... 28
D. Bin Control .................................................................................................................. 29
E. Float Switch ................................................................................................................. 29
F. Thermistor .................................................................................................................... 29
G. Control Switch ............................................................................................................. 29
III. Technical Information ...................................................................................................... 30
A. Water Circuit and Refrigeration Circuit ........................................................................ 30
1. KM-1301SAH, KM-1301SAH3 (air-cooled) ............................................................. 30
2. KM-1301SWH, KM-1301SWH3 (water-cooled) ...................................................... 31
3. KM-1301SRH, KM-1301SRH3 (remote air-cooled) ................................................ 32
B. Wiring Diagrams .......................................................................................................... 33
1. Auxiliary Code T-0, U-0 ......................................................................................... 33
a) KM-1301SAH (air-cooled) ................................................................................ 33
b) KM-1301SWH (water-cooled) ........................................................................... 34
c) KM-1301SRH (remote air-cooled) .................................................................... 35
d) KM-1301SAH3 (air-cooled) and KM-1301SWH3 (water-cooled) ...................... 36
e) KM-1301SRH3 (remote air-cooled) .................................................................. 37
2. Auxiliary Code U-1 and Later ................................................................................ 38
a) KM-1301SAH (air-cooled) ............................................................................... 38
b) KM-1301SWH (water-cooled) .......................................................................... 39
c) KM-1301SRH (remote air-cooled) .................................................................... 40
d) KM-1301SAH3 (air-cooled) and KM-1301SWH3 (water-cooled) ...................... 41
e) KM-1301SRH3 (remote air-cooled) .................................................................. 42
C. Performance Data ....................................................................................................... 43
1. KM-1301SAH (air-cooled)....................................................................................... 43
2. KM-1301SAH3 (air-cooled) .................................................................................... 44
3. KM-1301SWH (water-cooled) ............................................................................... 45
4. KM-1301SWH3 (water-cooled) ............................................................................. 46
5. KM-1301SRH (remote air-cooled) ......................................................................... 47
6. KM-1301SRH3 (remote air-cooled) ........................................................................ 48
IV. Service Diagnosis ........................................................................................................... 49
A. Diagnostic Procedure ................................................................................................. 49
B. Control Board Check ................................................................................................... 53
C. Bin Control Check ....................................................................................................... 54
D. Float Switch Check and Cleaning ............................................................................... 54
1. Float Switch Check ................................................................................................ 54
2. Float Switch Cleaning ............................................................................................ 55
E. Thermistor Check ........................................................................................................ 56
F. Diagnostic Charts ........................................................................................................ 57
4