Hoshizaki KM-1301SRH-E, KM-1301SAH-E, KM-1301SWH-E service manual Contents

IMPORTANT
This manual should be read carefully before the icemaker is serviced or
maintenance operations are performed. Only qualified service technicians
should install, service, and maintain the icemaker. Read the warnings contained
in this booklet carefully as they give important information regarding safety.
Please retain this booklet for any further reference that may be necessary.
CONTENTS
Important Safety Information	5
I. Specifications	6
A. Icemaker	6
1. KM-1301SAH-E (air-cooled)	6
2. KM-1301SWH-E (water-cooled)	7
3. KM-1301SRH-E (remote air-cooled)	8
B. Condenser Unit	9
II. General Information	11
A. Construction	11
1. KM-1301SAH-E (air-cooled)	11
2. KM-1301SWH-E (water-cooled)	12
3. KM-1301SRH-E (remote air-cooled)	13
B. Sequence of Operation	14
1. Sequence Cycles and Shutdown	14
a) 1-Minute Fill Cycle	14
b) Initial Harvest Cycle	14
c) Freeze Cycle	15
d) Pump-Out Cycle	15
e) Harvest Cycle	15
f) Shutdown	15
2. Sequence Flow Chart	17
C. Control Board	18
1. Control Board Layout	19
a) LED Lights and Audible Alarm Safeties	20
2. Controls and Adjustments	21
a) Default Dip Switch Settings	21
b) Harvest Timer (S4 dip switch 1 & 2)	21
c) Pump-Out Timer (S4 dip switch 3 & 4)	22
d) Pump-Out Frequency Control (S4 dip switch 5 & 6)	22
e) Harvest Pump Timer (S4 dip switch 7)	23
f) Factory Use (S4 dip switch 8)	23
g) Freeze Timer (S4 dip switch 9 & 10)	23
h) Float Switch Control (S5 dip switch 1)	24
i) Refill Counter (S5 dip switch 2 through 5)	24
D. Control Switch	24

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