Hoshizaki KM-1301SAH/3 User manual

Hoshizaki
“A Superior Degree
of Reliability”
www.hoshizaki.com
Models
KM-1301SAH/3
KM-1301SWH/3
KM-1301SRH/3
Stackable Crescent Cuber
Hoshizaki America, Inc.
SERVICE MANUAL
™
Number: 73169
Issued:1-21-2009
Revised: 8-6-2009

2
IMPORTANT
Only qualied service technicians should install, service, and maintain the
icemaker. No service or maintenance should be undertaken until the technician
has thoroughly read this Service Manual. Failure to service and maintain
the equipment in accordance with this manual may adversely affect safety,
performance, component life, and warranty coverage.
Hoshizaki provides this manual primarily to assist qualied service technicians in the
service and maintenance of the icemaker.
Should the reader have any questions or concerns which have not been satisfactorily
addressed, please call, write, or send an e-mail message to the Hoshizaki Technical
Support Department for assistance.
HOSHIZAKI AMERICA, INC.
618 Highway 74 South
Peachtree City, GA 30269
Attn: Hoshizaki Technical Support Department
Phone: [phone] Technical Support
[phone]
Fax: [phone]
[phone]
E-mail: [email protected]
Web Site: www.hoshizaki.com
NOTE: To expedite assistance, all correspondence/communication MUST include the
following information:
  •ModelNumber
  •SerialNumber
  •Completeanddetailedexplanationoftheproblem.

3
CONTENTS
Important Safety Information ................................................................................................. 6
I. Specications...................................................................................................................... 7
A. Icemaker ....................................................................................................................... 7
1. KM-1301SAH (air-cooled)......................................................................................... 7
2. KM-1301SAH3 (air-cooled) ...................................................................................... 8
3. KM-1301SWH (water-cooled) ................................................................................. 9
4. KM-1301SWH3 (water-cooled) .............................................................................. 10
5. KM-1301SRH (remote air-cooled)...........................................................................11
6. KM-1301SRH3 (remote air-cooled)........................................................................ 12
B. Condenser Unit ........................................................................................................... 13
1. URC-14F................................................................................................................ 13
II. General Information ......................................................................................................... 15
A. Construction................................................................................................................ 15
1. KM-1301SAH, KM-1301SAH3 (air-cooled) ............................................................. 15
2. KM-1301SWH, KM-1301SWH3 (water-cooled)...................................................... 16
3. KM-1301SRH, KM-1301SRH3 (remote air-cooled)................................................ 17
B. Sequence of Operation ............................................................................................... 18
1. Sequence Cycles and Shutdown ........................................................................... 18
a) 1-Minute Fill Cycle ............................................................................................ 18
b) Initial Harvest Cycle ........................................................................................ 18
c) Freeze Cycle ................................................................................................... 18
d) Pump-Out Cycle .............................................................................................. 19
e) Harvest Cycle .................................................................................................. 19
f) Shutdown.......................................................................................................... 19
2. Sequence Flow Chart............................................................................................ 20
C. Control Board .............................................................................................................. 21
1. Control Board Layout ............................................................................................. 22
2. Features................................................................................................................. 23
a) Maximum Water Supply Period - 6 minutes ..................................................... 23
b) Harvest Backup Timer and Freeze Timer......................................................... 23
c) High Temperature Safety.................................................................................. 23
d) Low Water Safety............................................................................................. 23
e) High Voltage and Low Voltage Cut-outs........................................................... 23
f) LED Lights and Audible Alarm Safeties ............................................................ 24
3. Controls and Adjustments...................................................................................... 25
a) Default Dip Switch Settings.............................................................................. 25
b) Harvest Timer (S4 dip switch 1 & 2)................................................................. 25
c) Pump-Out Timer (S4 dip switch 3 & 4)............................................................. 26
d) Pump-Out Frequency Control (S4 dip switch 5 & 6)......................................... 26
IMPORTANT
This manual should be read carefully before the icemaker is serviced or
maintenance operations are performed. Only qualied 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.

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) Rell 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

5
V. Removal and Replacement of Components .................................................................... 65
A. Service for Refrigerant Lines....................................................................................... 65
1. Refrigerant Recovery ............................................................................................. 65
2. Brazing .................................................................................................................. 66
3. Evacuation and Recharge (R-404A)...................................................................... 66
B. Removal and Replacement of Compressor................................................................. 67
C. Removal and Replacement of Expansion Valve.......................................................... 68
D. Removal and Replacement of Hot Gas Valve or Liquid Line Valve ............................. 69
E. Removal and Replacement of Evaporator................................................................... 70
F. Removal and Replacement of Air-Cooled Condenser.................................................. 71
G. Removal and Replacement of Water-Cooled Condenser............................................ 72
H. Removal and Replacement of Remote Air-Cooled Condenser ................................... 73
I. Removal and Replacement of Water Regulating Valve (water-cooled model) ...............74
J. Adjustment of Water Regulating Valve (water-cooled model) ...................................... 75
K. Removal and Replacement of Headmaster (Condensing Pressure Regulator - C.P.R.)
(remote air-cooled model) ......................................................................................... 75
L. Removal and Replacement of Thermistor ................................................................... 76
M. Removal and Replacement of Fan Motor (air-cooled and remote air-cooled models) 77
N. Removal and Replacement of Inlet Water Valve ......................................................... 77
O. Removal and Replacement of Pump Motor ................................................................ 78
P. Removal and Replacement of Control Board............................................................... 79
VI. Cleaning and Maintenance............................................................................................. 80
A. Cleaning and Sanitizing Instructions ........................................................................... 80
1. Cleaning Procedure................................................................................................ 81
2. Sanitizing Procedure - Following Cleaning Procedure ........................................... 82
B. Maintenance Instructions ............................................................................................ 83
C. Preparing the Icemaker for Long Storage ................................................................... 83

6
Important Safety Information
Throughout this manual, notices appear to bring your attention to situations which could
result in death, serious injury, or damage to the unit.
WARNING Indicates a hazardous situation which could result in death or
serious injury.
CAUTION Indicates a situation which could result in damage to the unit.
IMPORTANT Indicates important information about the use and care of the
unit.
WARNING
This icemaker should be destined only to the use for which it has been
expressly conceived. Any other use should be considered improper and
therefore dangerous. The manufacturer cannot be held responsible for
eventual damage caused by improper, incorrect, and unreasonable use.
To reduce the risk of death, electric shock, serious injury, or re, follow
basic precautions including the following:
•Electricalconnectionmustbehard-wiredandmustmeetnational,state,and
local electrical code requirements. Failure to meet these code requirements
could result in death, electric shock, serious injury, re, or severe damage to
equipment.
•Thisunitrequiresanindependentpowersupply.Seethenameplatefor
proper voltage and breaker/fuse size. Failure to use a proper breaker or fuse
can result in a tripped breaker, blown fuse, or damage to existing wiring. This
could lead to heat generation or re.
•THIS UNIT MUST BE GROUNDED. Failure to properly ground this unit
could result in death or serious injury.
•Thisunitshouldbedisassembledorrepairedonlybyqualiedservice
personnel to reduce the risk of electric shock, injury, or re.
•Donotmakeanyalterationstotheunit.Alterationscouldresultinelectric
shock, injury, re, or damage to the unit.

7
I. Specications
A. Icemaker
1. KM-1301SAH (air-cooled)
Note: We reserve the right to make changes in specications and design without prior
notice.
AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V)
AMPERAGE 12.4 A ( 5 Min. Freeze AT 104°F / WT 80°F)
MINIMUM CIRCUIT AMPACITY 20 A
MAXIMUM FUSE SIZE 20 A
APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F)
PER 24 HR. Temp.(°F) 50 70 90
lbs./day ( kg/day ) 70 *1329 (603) 1281 (581) 1188 (539)
Reference without *marks 80 1292 (586) 1217 (552) 1109 (503)
90 1281 (581) *1164 (528) 1060 (481)
100 1253 (568) 1140 (517) 965 (438)
SHAPE OF ICE Crescent Cube
ICE PRODUCTION PER CYCLE 29.8 lbs. (13.5 kg) 1440pcs.
APPROXIMATE STORAGE CAPACITY N/A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 2180(4.5) 2160(3.9)
WATER gal./24HR (gal./100 lbs.) 183(15.7) 605(45.5)
CEC/CEE TIER LEVEL 3
ENERGY STAR YES
EXTERIOR DIMENSIONS (WxDxH) 48" x 27-3/8" x 27-3/8" (1219 x 695 x 695 mm)
EXTERIOR FINISH Stainless Steel, Galvanized Steel (Rear)
WEIGHT Net 275 lbs. (125 kg), Shipping 315 lbs. (143 kg)
CONNECTIONS - ELECTRIC Permanent - Connection
- WATER SUPPLY Inlet 1/2" FPT
- DRAIN Outlet 3/4" FPT
- CONDENSATE DRAIN 3/8" OD Tube
CUBE CONTROL SYSTEM Float Switch
HARVESTING CONTROL SYSTEM Hot Gas and Water, Thermistor and Timer
ICE MAKING WATER CONTROL Timer Controlled. Overflow Pipe
COOLING WATER CONTROL N/A
BIN CONTROL SYSTEM Thermostat
COMPRESSOR Hermetic, Model CS14K6E-PFV-237
CONDENSER Air-Cooled , Fin and tube type
EVAPORATOR Vertical type, Stainless Steel and Copper
REFRIGERANT CONTROL Thermostatic Expansion Valve
REFRIGERANT CHARGE R404A, 3 lb. 15.5 oz. (1800g)
DESIGN PRESSURE High 467PSIG, Low 230PSIG
P.C. BOARD CIRCUIT PROTECTION High Voltage Cut-out ( Internal )
COMPRESSOR PROTECTION Auto-reset Overload Protector ( Internal )
REFRIGERANT CIRCUIT PROTECTION Auto-reset High Pressure Control Switch
LOW WATER PROTECTION Float Switch
ACCESSORIES -SUPPLIED N/A
-REQUIRED Ice Storage Bin
OPERATING CONDITIONS VOLTAGE RANGE 187 - 253 V
AMBIENT TEMP. 45 -100° F
WATER SUPPLY TEMP. 45 - 90° F
WATER SUPPLY PRESSURE 10 - 113 PSIG
ENG.F-011.1.0205

8
Note: We reserve the right to make changes in specications and design without prior
notice.
2. KM-1301SAH3 (air-cooled)
AC SUPPLY VOLTAGE 208-230/60/3
AMPERAGE 9.5 A ( 5 Min. Freeze AT 104°F / WT 80°F)
MINIMUM CIRCUIT AMPACITY 20 A
MAXIMUM FUSE SIZE 20 A
APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F)
PER 24 HR. Temp.(°F) 50 70 90
lbs./day ( kg/day ) 70 *1298 (589) 1257 (570) 1162 (527)
Reference without *marks 80 1267 (575) 1204 (546) 1086 (493)
90 1257 (570) *1159 (526) 1049 (476)
100 1225 (556) 1133 (514) 947 (430)
SHAPE OF ICE Crescent Cube
ICE PRODUCTION PER CYCLE 30.4 lbs. (13.8 kg) 1440pcs.
APPROXIMATE STORAGE CAPACITY N/A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 2220(4.6) 2090(3.9)
WATER gal./24HR (gal./100 lbs.) 181(15.6) 511(39.4)
CEC/CEE TIER LEVEL 3
ENERGY STAR YES
EXTERIOR DIMENSIONS (WxDxH) 48" x 27-3/8" x 27-3/8" (1219 x 695 x 695 mm)
EXTERIOR FINISH Stainless Steel, Galvanized Steel (Rear)
WEIGHT Net 275 lbs. (125 kg), Shipping 315 lbs. (143 kg)
CONNECTIONS - ELECTRIC Permanent - Connection
- WATER SUPPLY Inlet 1/2" FPT
- DRAIN Outlet 3/4" FPT
- CONDENSATE DRAIN 3/8" OD Tube
CUBE CONTROL SYSTEM Float Switch
HARVESTING CONTROL SYSTEM Hot Gas and Water, Thermistor and Timer
ICE MAKING WATER CONTROL Timer Controlled. Overflow Pipe
COOLING WATER CONTROL N/A
BIN CONTROL SYSTEM Thermostat
COMPRESSOR Hermetic, Model CS14K6E-TF5-237
CONDENSER Air-Cooled, Fin and tube type
EVAPORATOR Vertical type, Stainless Steel and Copper
REFRIGERANT CONTROL Thermostatic Expansion Valve
REFRIGERANT CHARGE R404A, 3 lb. 15.5 oz. (1800g)
DESIGN PRESSURE High 467PSIG, Low 230PSIG
P.C. BOARD CIRCUIT PROTECTION High Voltage Cut-out ( Internal )
COMPRESSOR PROTECTION Auto-reset Overload Protector ( Internal )
REFRIGERANT CIRCUIT PROTECTION Auto-reset High Pressure Control Switch
LOW WATER PROTECTION Float Switch
ACCESSORIES -SUPPLIED N/A
-REQUIRED Ice Storage Bin
OPERATING CONDITIONS VOLTAGE RANGE 187 - 253 V
AMBIENT TEMP. 45 -100° F
WATER SUPPLY TEMP. 45 - 90° F
WATER SUPPLY PRESSURE 10 - 113 PSIG
ENG.F-011.1.0205

9
3. KM-1301SWH (water-cooled)
Note: We reserve the right to make changes in specications and design without prior
notice.
AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V)
AMPERAGE 8.2 A ( 5 Min. Freeze AT 104°F / WT 80°F)
MINIMUM CIRCUIT AMPACITY 20 A
MAXIMUM FUSE SIZE 20 A
APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F)
PER 24 HR. Temp.(°F) 50 70 90
lbs./day ( kg/day ) 70 *1318 (598) 1319 (599) 1249 (567)
Reference without *marks 80 1319 (598) 1321 (599) 1211 (549)
90 1319 (599) *1323 (600) 1228 (557)
100 1281 (581) 1301 (590) 1141 (518)
SHAPE OF ICE Crescent Cube
ICE PRODUCTION PER CYCLE 31 lbs. (14.1 kg) 1440pcs.
APPROXIMATE STORAGE CAPACITY N/A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 1760(3.2) 1740(3.2)
WATER gal./24HR (gal./100 lbs.) 257(19.4) 546(41.4)
WATER COOLED CONDENSER 1561(118) 861(65)
gal./24HR (gal./100 lbs.)
CEC/CEE TIER LEVEL 3
ENERGY STAR N/A
EXTERIOR DIMENSIONS (WxDxH) 48" x 27-3/8" x 27-3/8" (1219 x 695 x 695 mm)
EXTERIOR FINISH Stainless Steel, Galvanized Steel (Rear)
WEIGHT Net 265 lbs. (120 kg), Shipping 315 lbs. (143 kg)
CONNECTIONS - ELECTRIC Permanent - Connection
- WATER SUPPLY Inlet 1/2" FPT Cond. Inlet 1/2" FPT
- DRAIN Outlet 3/4" FPT Cond. Outlet 3/8" FPT
- CONDENSATE DRAIN 3/8" OD Tube
CUBE CONTROL SYSTEM Float Switch
HARVESTING CONTROL SYSTEM Hot Gas and Water, Thermistor and Timer
ICE MAKING WATER CONTROL Timer Controlled. Overflow Pipe
COOLING WATER CONTROL Water Regulator
BIN CONTROL SYSTEM Thermostat
COMPRESSOR Hermetic, Model CS12K6E-PFV-237
CONDENSER Water-cooled, Tube in tube type
EVAPORATOR Vertical type, Stainless Steel and Copper
REFRIGERANT CONTROL Thermostatic Expansion Valve
REFRIGERANT CHARGE R404A, 2 lb. 8.2 oz. (1140g)
DESIGN PRESSURE High 427PSIG, Low 230PSIG
P.C. BOARD CIRCUIT PROTECTION High Voltage Cut-out ( Internal )
COMPRESSOR PROTECTION Auto-reset Overload Protector ( Internal )
REFRIGERANT CIRCUIT PROTECTION Auto-reset High Pressure Control Switch
LOW WATER PROTECTION Float Switch
ACCESSORIES -SUPPLIED N/A
-REQUIRED Ice Storage Bin
OPERATING CONDITIONS VOLTAGE RANGE 187 - 253 V
AMBIENT TEMP. 45 -100° F
WATER SUPPLY TEMP. 45 - 90° F
WATER SUPPLY PRESSURE 10 - 113 PSIG
ENG.F-011.1.0205

10
4. KM-1301SWH3 (water-cooled)
Note: We reserve the right to make changes in specications and design without prior
notice.
AC SUPPLY VOLTAGE 208-230/60/3
AMPERAGE 6.1 A ( 5 Min. Freeze AT 104°F / WT 80°F)
MINIMUM CIRCUIT AMPACITY 20 A
MAXIMUM FUSE SIZE 20 A
APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F)
PER 24 HR. Temp.(°F) 50 70 90
lbs./day ( kg/day ) 70 *1333 (605) 1323 (600) 1246 (565)
Reference without *marks 80 1326 (601) 1311 (594) 1198 (544)
90 1323 (600) *1300 (590) 1201 (545)
100 1286 (584) 1277 (579) 1110 (503)
SHAPE OF ICE Crescent Cube
ICE PRODUCTION PER CYCLE 32.2 lbs. (14.6 kg) 1440pcs.
APPROXIMATE STORAGE CAPACITY N/A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 1840(3.4) 1770(3.2)
WATER gal./24HR (gal./100 lbs.) 248(19.1) 557(41.8)
WATER COOLED CONDENSER 1547(119) 857(64)
gal./24HR (gal./100 lbs.)
CEC/CEE TIER LEVEL 3
ENERGY STAR N/A
EXTERIOR DIMENSIONS (WxDxH) 48" x 27-3/8" x 27-3/8" (1219 x 695 x 695 mm)
EXTERIOR FINISH Stainless Steel, Galvanized Steel (Rear)
WEIGHT Net 265 lbs. (120 kg), Shipping 315 lbs. (143 kg)
CONNECTIONS - ELECTRIC Permanent - Connection
- WATER SUPPLY Inlet 1/2" FPT Cond. Inlet 1/2" FPT
- DRAIN Outlet 3/4" FPT Cond. Outlet 3/8" FPT
- CONDENSATE DRAIN 3/8" OD Tube
CUBE CONTROL SYSTEM Float Switch
HARVESTING CONTROL SYSTEM Hot Gas and Water, Thermistor and Timer
ICE MAKING WATER CONTROL Timer Controlled. Overflow Pipe
COOLING WATER CONTROL Water Regulator
BIN CONTROL SYSTEM Thermostat
COMPRESSOR Hermetic, Model CS12K6E-TF5-237
CONDENSER Water-cooled, Tube in tube type
EVAPORATOR Vertical type, Stainless Steel and Copper
REFRIGERANT CONTROL Thermostatic Expansion Valve
REFRIGERANT CHARGE R404A, 2 lb. 8.2 oz. (1140g)
DESIGN PRESSURE High 427PSIG, Low 230PSIG
P.C. BOARD CIRCUIT PROTECTION High Voltage Cut-out ( Internal )
COMPRESSOR PROTECTION Auto-reset Overload Protector ( Internal )
REFRIGERANT CIRCUIT PROTECTION Auto-reset High Pressure Control Switch
LOW WATER PROTECTION Float Switch
ACCESSORIES -SUPPLIED N/A
-REQUIRED Ice Storage Bin
OPERATING CONDITIONS VOLTAGE RANGE 187 - 253 V
AMBIENT TEMP. 45 -100° F
WATER SUPPLY TEMP. 45 - 90° F
WATER SUPPLY PRESSURE 10 - 113 PSIG
ENG.F-011.1.0205

11
5. KM-1301SRH (remote air-cooled)
Note: We reserve the right to make changes in specications and design without prior
notice.
AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V)
AMPERAGE 13.5A ( 5 Min. Freeze AT 104°F / WT 80°F)
MINIMUM CIRCUIT AMPACITY 20 A
MAXIMUM FUSE SIZE 20 A
APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F)
PER 24 HR. Temp.(°F) 50 70 90
lbs./day ( kg/day ) 70 *1353 (614) 1315 (596) 1219 (553)
Reference without *marks 80 1324 (600) 1264 (573) 1144 (519)
90 1315 (596) *1222 (554) 1110 (504)
100 1281 (581) 1196 (542) 1008 (457)
SHAPE OF ICE Crescent Cube
ICE PRODUCTION PER CYCLE 31.1 lbs. (14.1 kg) 1440pcs.
APPROXIMATE STORAGE CAPACITY N/A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 2090(4.1) 2010(3.6)
WATER gal./24HR (gal./100 lbs.) 203(16.6) 479(35.4)
CEC/CEE TIER LEVEL 3
ENERGY STAR YES
EXTERIOR DIMENSIONS (WxDxH) 48" x 27-3/8" x 27-3/8" (1219 x 695 x 695 mm)
EXTERIOR FINISH Stainless Steel, Galvanized Steel (Rear)
WEIGHT Net 255 lbs. (116 kg), Shipping 315 lbs. (143 kg)
CONNECTIONS - ELECTRIC Permanent - Connection
- WATER SUPPLY Inlet 1/2" FPT
- DRAIN Outlet 3/4" FPT
- CONDENSATE DRAIN 3/8" OD Tube
CUBE CONTROL SYSTEM Float Switch
HARVESTING CONTROL SYSTEM Hot Gas and Water, Thermistor and Timer
ICE MAKING WATER CONTROL Timer Controlled. Overflow Pipe
COOLING WATER CONTROL N/A
BIN CONTROL SYSTEM Thermostat
COMPRESSOR Hermetic, Model CS12K6E-PFV-279
CONDENSER Air-Cooled Remote, Condenser Unit URC-14F
EVAPORATOR Vertical type, Stainless Steel and Copper
REFRIGERANT CONTROL Thermostatic Expansion Valve
Condensing Pressure Regulator on URC-14F
REFRIGERANT CHARGE R404A, 10 lbs. 5.8 oz. (4700g)
(Icemaker 5 lbs. 15.2 oz. Cond. Unit 4 lbs. 6.5 oz.)
DESIGN PRESSURE High 467PSIG, Low 230PSIG
P.C. BOARD CIRCUIT PROTECTION High Voltage Cut-out ( Internal )
COMPRESSOR PROTECTION Auto-reset Overload Protector ( Internal )
REFRIGERANT CIRCUIT PROTECTION Auto-reset High Pressure Control Switch
LOW WATER PROTECTION Float Switch
ACCESSORIES -SUPPLIED N/A
-REQUIRED Ice Storage Bin, Remote Condenser Unit
OPERATING CONDITIONS VOLTAGE RANGE 187 - 253 V
AMBIENT TEMP. 45 -100° F
WATER SUPPLY TEMP. 45 - 90° F
WATER SUPPLY PRESSURE 10 - 113 PSIG
ENG.F-011.1.0205

12
6. KM-1301SRH3 (remote air-cooled)
Note: We reserve the right to make changes in specications and design without prior
notice.
AC SUPPLY VOLTAGE 208-230/60/3
AMPERAGE 10.7A ( 5 Min. Freeze AT 104°F / WT 80°F)
MINIMUM CIRCUIT AMPACITY 20 A
MAXIMUM FUSE SIZE 20 A
APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F)
PER 24 HR. Temp.(°F) 50 70 90
lbs./day ( kg/day ) 70 *1339 (607) 1297 (589) 1203 (546)
Reference without *marks 80 1307 (593) 1243 (564) 1127 (511)
90 1297 (589) *1197 (543) 1088 (494)
100 1266 (574) 1171 (531) 988 (448)
SHAPE OF ICE Crescent Cube
ICE PRODUCTION PER CYCLE 30.7 lbs. (13.9 kg) 1440pcs.
APPROXIMATE STORAGE CAPACITY N/A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 2140(4.3) 2090(3.8)
WATER gal./24HR (gal./100 lbs.) 192(16.0) 463(34.6)
CEC/CEE TIER LEVEL 3
ENERGY STAR YES
EXTERIOR DIMENSIONS (WxDxH) 48" x 27-3/8" x 27-3/8" (1219 x 695 x 695 mm)
EXTERIOR FINISH Stainless Steel, Galvanized Steel (Rear)
WEIGHT Net 255 lbs. (116 kg), Shipping 315 lbs. (143 kg)
CONNECTIONS - ELECTRIC Permanent - Connection
- WATER SUPPLY Inlet 1/2" FPT
- DRAIN Outlet 3/4" FPT
- CONDENSATE DRAIN 3/8" OD Tube
CUBE CONTROL SYSTEM Float Switch
HARVESTING CONTROL SYSTEM Hot Gas and Water, Thermistor and Timer
ICE MAKING WATER CONTROL Timer Controlled. Overflow Pipe
COOLING WATER CONTROL N/A
BIN CONTROL SYSTEM Thermostat
COMPRESSOR Hermetic, Model CS12K6E-TF5-279
CONDENSER Air-Cooled Remote, Condenser Unit URC-14F
EVAPORATOR Vertical type, Stainless Steel and Copper
REFRIGERANT CONTROL Thermostatic Expansion Valve
Condensing Pressure Regulator on URC-14F
REFRIGERANT CHARGE R404A, 10 lbs. 5.8 oz. (4700g)
(Icemaker 5 lbs. 15.2 oz. Cond. Unit 4 lbs. 6.5 oz.)
DESIGN PRESSURE High 467PSIG, Low 230PSIG
P.C. BOARD CIRCUIT PROTECTION High Voltage Cut-out ( Internal )
COMPRESSOR PROTECTION Auto-reset Overload Protector ( Internal )
REFRIGERANT CIRCUIT PROTECTION Auto-reset High Pressure Control Switch
LOW WATER PROTECTION Float Switch
ACCESSORIES -SUPPLIED N/A
-REQUIRED Ice Storage Bin, Remote Condenser Unit
OPERATING CONDITIONS VOLTAGE RANGE 187 - 253 V
AMBIENT TEMP. 45 -100° F
WATER SUPPLY TEMP. 45 - 90° F
WATER SUPPLY PRESSURE 10 - 113 PSIG
ENG.F-011.1.0205

13
B. Condenser Unit
1. URC-14F Unit: inches (mm)

14
SPECIFICATIONS
MODEL: URC-14F
AC SUPPLY VOLTAGE 115/60/1 (Connection to Icemaker)
FAN MOTOR 115 V Total 2.6FLA 130W
EXTERIOR DIMENSIONS (WxDxH) 35-11/16" x 15-11/16" x 21-15/16" (907.2 x 398 x 557.8 mm)
DIMENSIONS INCLUDING LEGS (WxDxH) 37-13/16" x 18-1/8" x 36-15/16" (960 x 460 x 937.8 mm)
EXTERIOR FINISH Galvanized Steel
WEIGHT Net 80 lbs. ( 36 kg ) Shipping 87 lbs. ( 39 kg )
CONNECTIONS - ELECTRIC Permanent - Connection
- REFRIGERANT Discharge Line 1-1/16"-12 UNF Fitting (#10 AEROQUIP)
Liquid Line 5/8"-18 UNF Fitting (#6 AEROQUIP)
CONDENSER Air-cooled, Fin and tube type
FAN MOTOR PROTECTION Thermal Protection
REFRIGERANT CONTROL Condensing Pressure Regulator
REFRIGERANT CHARGE R-404A 4 lb. 7 oz. (2000g)
DESIGN PRESSURE High 467 PSIG
OPERATING CONDITIONS VOLTAGE RANGE 104 ~ 127 V
AMBIENT TEMP. -20 ~ 122 °F
ACCESSORIES -SUPPLIED Leg 2 pcs
Hex. Head Bolt w/Washer 8 x 16 8 pcs
Hex. Nut 8 8 pcs

15
II. General Information
A. Construction
1. KM-1301SAH, KM-1301SAH3 (air-cooled)
Evaporator Assembly
Spray Tubes
Inlet Water Valve
Water Supply Inlet
Hot Gas Valve
Junction Box
Air-Cooled
Condenser
Check Valves
Control Box
Drier
Transformer Box
(KM-1301SAH3)
Control Switch
Bin Control Thermostat
Compressor
Cleaning Valve
Float Switch
Water Pump
Check Valve
(water)
Expansion Valves
Liquid Line Valve
Fan Motor
Fan Blade
Low-Side Service Valve
High-Side Service Valve

16
2. KM-1301SWH, KM-1301SWH3 (water-cooled)
Evaporator Assembly
Spray Tubes
Inlet Water Valve
Water Supply Inlet
Hot Gas Valve
Junction Box
Water Regulating
Valve
Check Valves
Control Box
Liquid Line Valve
Drier
Transformer Box
(KM-1301SWH3)
Control Switch
Bin Control Thermostat
Compressor
Cleaning Valve
Float Switch
Water Pump
Check Valve
(water)
Expansion Valves
Water-Cooled
Condenser
Low-Side Service Valve
High-Side Service Valve

17
3. KM-1301SRH, KM-1301SRH3 (remote air-cooled)
Evaporator Assembly
Spray Tubes
Inlet Water Valve
Water Supply Inlet
Hot Gas Valve
Junction Boxes
Receiver Tank
Check Valves
Control Box
Liquid Line Valve
Drier
Transformer Box
(KM-1301SRH3)
Control Switch
Bin Control Thermostat
Compressor
Cleaning Valve
Float Switch
Water Pump
Check Valve
(water)
Expansion Valves
Low-Side Service Valve
High-Side Service Valve
High-Side Liquid Service Valve
Access Valve

18
B. Sequence of Operation
IMPORTANT
This unit utilizes a thermostatic bin control. For operation, the K4 jumper
(4A4883G01) must be in place on the control board RED K4 connector.
1. Sequence Cycles and Shutdown
The steps in the sequence are as outlined below. When power is supplied, CB red
"POWER OK" LED and green "BC CLOSED" LED come on. The green "BC CLOSED"
LED is on continuously when the K4 jumper is in place. If CB yellow "BC OPEN" LED is
on, check that CB has the K4 jumper in place on CB RED K4 connector. This unit will not
operate unless the K4 jumper is in place. There is a 5-second delay before startup. Note
that the order of the component LEDs from the outer edge of CB is 1, 4, 3, 2.
a) 1-Minute Fill Cycle
LED 4 is on. WV and X2 relay (auxiliary code T-0 and U-0), X11 relay (auxiliary code
U-1 and later) energize and the 1-minute ll cycle begins. After 1 minute, CB checks for
a closed F/S. If F/S is closed, the harvest cycle begins. If not, WV remains energized
through additional 1-minute ll cycles until water lls the tank and closes F/S. This
serves as a low water safety to protect PM.
b) Initial Harvest Cycle
LEDs 1, 4, and 2 are on. WV and X2 relay (auxiliary code T-0, U-0), X11 relay (auxiliary
code U-1 and later) remain energized, HGV, X1 relay (auxiliary code T-0, U-0),
X10 relay (auxiliary code U-1 and later), Comp, and FMR energize. CB monitors the
warming of the evaporator via the thermistor located on the suction line. When the
thermistor reaches 48°F (9°C), CB reads a 3.9 kΩ signal from the thermistor and turns
harvest termination over to the harvest timer (S4 dip switch 1 & 2). The harvest timer
has settings of 60, 90, 120, and 180 seconds. For details, see "II.C.3.b) Harvest Timer
(S4 dip switch 1 & 2)." WV is energized during harvest for a maximum of 6 minutes or
the length of harvest minus 0 or 50 seconds (harvest pump timer (S4 dip switch 7)),
whichever is shorter. CAUTION! Do not adjust S4 dip switch 7 out of the factory
default position on this model. Adjustment outside of the factory default position
may result in damage to the icemaker. For details, see "II.C.3.e) Harvest Pump Timer
(S4 dip switch 7)." LED 4 goes off when WV and X2 relay (auxiliary code T-0, U-0),
X11 relay (auxiliary code U-1 and later) de-energize. LED 3 comes on and PM energizes
and runs for the last 0 or 50 seconds of harvest depending on S4 dip switch 7 setting.
This circulates water over the evaporator for the last 0 or 50 seconds of harvest. PM
is energized through the #5 pin (DBu wire) on the CB K1 ten-pin connector and the
X1 relay (auxiliary code T-0, U-0), X10 relay (auxiliary code U-1 and later). When the
harvest timer expires, the harvest cycle is complete. CB checks the position of F/S and
proceeds to the freeze cycle if it is closed or calls for a 1-minute ll cycle if it is open. The
minimum total time allowed by CB for a complete harvest cycle is 2 minutes.
c) Freeze Cycle
LED 1 is on. Comp and FMR remain energized, PM energizes or remains energized
depending on harvest pump timer (S4 dip switch 7) setting. FM and LLV energize.
HGV and X1 relay (auxiliary code T-0, U-0), X10 relay (auxiliary code U-1 and later)

19
de-energize. For the rst 5 minutes, CB will not accept a signal from F/S. This minimum
5-minute freeze time is short cycle protection for Comp. At the end of 5 minutes, F/S
assumes control. As ice builds on the evaporator, the water level in the tank lowers. The
freeze cycle continues until F/S opens and terminates the cycle. There is a 15 second
delay before CB acknowledges an open F/S.
d) Pump-Out Cycle
LEDs 1, 3, and 2 are on. LED 4 is on when S4 dip switch 3 & 4 are set to 3 off and 4 on.
CAUTION! Do not adjust S4 dip switch 3 & 4 to 3 off and 4 on. Adjustment to this
position on this model prevents the unit from operating correctly and may cause
damage. For details, see "II.C.3.c) Pump-Out Timer (S4 dip switch 3 & 4)." Comp and
FMR remain energized, HGV energizes, WV energizes if S4 dip switch 3 off and 4 on.
LLV and FM de-energize. PM stops for 2 seconds then reverses, taking water from the
bottom of the tank and forcing pressure against the check valve seat allowing water to
go through the check valve and down the drain. At the same time, water ows through
the small tube to power ush F/S. When the pump-out timer expires, the pump-out is
complete.
The rst pump-out occurs after the 11th freeze cycle, then every 10th cycle thereafter.
The pump-out frequency control is factory set, and generally no adjustment is required.
However, where water quality is bad and the icemaker needs a pump-out more often, the
pump-out frequency can be adjusted. The pump-out frequency control (S4 dip switch 5 &
6) can be set to have a pump-out occur every cycle, or every 2, 5, or 10 cycles. Timing of
the rst pump-out is dependent on S4 dip switch 5 & 6 settings. See the table below. For
details, see "II.C.3.d) Pump-Out Frequency Control (S4 dip switch 5 & 6)."
S4 Dip Switch Setting Pump-Out
Frequency 1st Pump-Out
No. 5 No. 6
OFF OFF Every cycle After 2nd freeze cycle
ON OFF Every 2 cycles After 3rd freeze cycle
OFF ON Every 5 cycles After 6th freeze cycle
ON ON Every 10 cycles After 11th freeze cycle
e) Harvest Cycle
Same as the initial harvest cycle. See "II.B.1.b) Initial Harvest Cycle."
Note: Unit continues to cycle until BC is satised or power is turned off. The unit always
restarts at the 1-minute ll cycle.
f) Shutdown
When ice contacts the thermostatic bulb (BC switch open), BC shuts down the unit within
10 seconds. The bin control is factory set, and generally no adjustment is required.
However, adjustment may be needed in some conditions, particularly at higher altitude
locations.
Legend: BC–bin control; CB–control board; Comp–compressor; FMR–fan motor-remote;
FM–fan motor; F/S–oat switch; HGV–hot gas valve; L LV–liquid line valve;
PM–pump motor; WV–inlet water valve

20
2. Sequence Flow Chart
•WVtime:6min.orthelengthofharvestminus0or
50 sec. (S4 dip switch 7), whichever is shorter. DO NOT ADJUST S4 dip switch 7 on this model.
•Maximumharvesttime:20min.
F/S check
1 to 3-min. timer in control (S4 dip switch 1 & 2)
Legend: BC–bin control Comp–compressor FM–fan motor FMR–fan motor-remote F/S–oat switch HGV–hot gas valve LLV –liquid line valve PM–pump motor WV–inlet water valve
Components Energized when the Control Switch is in the "WASH" Position The "WASH" position on the control switch is used when cleaning and sanitizing the unit. When in the "WASH" position, power is supplied to the pump motor. With the cleaning valve closed, the cleaner and sanitizer ow over the outside of the evaporator plate assembly. With the cleaning valve open, the cleaner and sanitizer ow over both the outside and the inside of the evaporator plate assembly. Note: Close the cleaning valve after cleaning and sanitizing are complete, otherwise the unit will not restart when the control switch is placed in the "ICE" position.
"G" Control Board Sequence Flow Chart
1. 1-Minute
Fill Cycle
Cycle Steps 2. Harvest Cycle
Thermistor in control
3. Freeze Cycle
•Minimumfreezetime:5min. •Maximumfreezetime:freezetimersetting
(S4 dip switch 9 & 10)
F/S in control
4. Pump-Out Cycle
•Factorysetforevery
10th cycle (S4 dip switch 5 & 6)
•Pumpmotorstops
for 2 sec., then reverses for 10/20 sec. (S4 dip switch 3 & 4)
WV energized
F/S open
WV continues Comp energized FMR energized HGV energized
Thermistor temperature reaches 48°F (9°C) (3.9 kΩ or less). Harvest timer starts. F/S open
Comp continues FMR continues PM continues FMS energized LLV energized HGV de-energized
F/S closed
Comp continues FMR continues HGV energized PM de-energizes for 2 sec., then reverses for 10/20 sec. FM de-energized LLV de-energized
F/S check
Initial startup begins here after 5-sec. delay
If F/S is open, compressor stops and cycle returns to 1-Minute Fill Cycle
5-min. timer in control
F/S closed
F/S open or freeze timer expires
NOTE: Green "BC CLOSED" LED on continuously when the K4 jumper is in place.
0 or 50 sec.
PM energized WV de-energized
Harvest Pump Timer
1. Bin Full Within 10 sec.
after ice contacts thermostatic bulb, unit shuts down.
Shutdown and Restart
BC Operation
Ice contacts thermostatic bulb
2. Icemaker Off All components de-energized.
3. Ice Level Lowered No ice touching thermostatic bulb. Icemaker starts at "1. 1-Minute Fill Cycle."
BC closed
BC-open All components de-energized
To 1 above
KM-1301SAH/3, KM-1301SWH/3, and KM-1301SRH/3