Hoshizaki F-1000MAF-C User manual

SERVICE MANUAL
ISSUED: JAN. 20, 1999
MODEL
HOSHIZAKI
MODULAR FLAKER
F-1000MAF/-C
F-1000MWF/-C
F-1000MRF/-C
F-1000MLF/-C
NO: 73075
REVISED: DEC. 17, 2003

2
HOSHIZAKI AMERICA, INC.
618Highway74South
PeachtreeCity,GA 30269
Attn: HOSHIZAKITechnicalSupportDepartment
Phone: [phone]TechnicalService
[phone]
Fax: [phone]
NOTE: Toexpediteassistance,allcorrespondence/communicationMUST includethefollowing
information:
• ModelNumber
• SerialNumber
• Completeanddetailedexplanationoftheproblem
IMPORTANT
Only qualified service technicians should attempt to service or maintain this icemaker.
No service or maintenance should be undertaken until the technician has
thoroughly read this Service Manual.
HOSHIZAKI provides this manual primarily to assist qualified 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 or write to the HOSHIZAKI Technical Support Department for
assistance.

3
CONTENTS PAGE
I. SPECIFICATIONS .................................................................................................... 5
1. ICEMAKER............................................................................................................. 5
F-1000MAF ............................................................................................................ 5
F-1000MWF ........................................................................................................... 6
F-1000MRF ............................................................................................................ 7
F-1000MLF............................................................................................................. 8
F-1000MAF-C......................................................................................................... 9
F-1000MWF-C...................................................................................................... 10
F-1000MRF-C ...................................................................................................... 11
F-1000MLF-C ....................................................................................................... 12
2. CONDENSER UNIT ............................................................................................. 13
URC-6F ................................................................................................................ 13
II. GENERAL INFORMATION .................................................................................... 15
1. CONSTRUCTION................................................................................................. 15
F-1000MAF/-C...................................................................................................... 15
F-1000MWF/-C..................................................................................................... 16
F-1000MRF/-C ..................................................................................................... 17
F-1000MLF/-C ...................................................................................................... 18
2. CONTROL BOX LAYOUT .................................................................................... 19
F-1000MAF/-C...................................................................................................... 19
F-1000MWF/-C, F-1000MRF/-C........................................................................... 20
F-1000MLF/-C ...................................................................................................... 21
III. TECHNICAL INFORMATION................................................................................ 22
1. WATER CIRCUIT AND REFRIGERANT CIRCUIT .............................................. 22
F-1000MAF/-C...................................................................................................... 22
F-1000MWF/-C..................................................................................................... 23
F-1000MRF/-C ..................................................................................................... 24
F-1000MLF/-C ...................................................................................................... 25
2. WIRING DIAGRAM .............................................................................................. 26
F-1000MAF/-C, F-1000MWF/-C, F-1000MRF/-C ................................................. 26
F-1000MLF/-C ...................................................................................................... 27
3. SEQUENCE OF ELECTRICAL CIRCUIT............................................................. 28
4. TIMING CHART.................................................................................................... 38
5. PERFORMANCE DATA ....................................................................................... 41
F-1000MAF .......................................................................................................... 41
Please review this manual. It should be read carefully before the icemaker is serviced or
maintenance operations are performed. Only qualified service technicians should service
and maintain the icemaker. This manual should be made available to the technician prior
to service or maintenance.

4
F-1000MWF ......................................................................................................... 42
F-1000MRF .......................................................................................................... 43
F-1000MLF........................................................................................................... 44
F-1000MAF-C....................................................................................................... 45
F-1000MWF-C...................................................................................................... 46
F-1000MRF-C ...................................................................................................... 47
F-1000MLF-C ....................................................................................................... 48
IV. ADJUSTMENT OF COMPONENTS ..................................................................... 49
1. ADJUSTMENT OF WATER REGULATING VALVE
- WATER-COOLED MODEL ONLY ..................................................................... 49
V. SERVICE DIAGNOSIS .......................................................................................... 50
1. NO ICE PRODUCTION ........................................................................................ 50
2. LOW ICE PRODUCTION ..................................................................................... 52
3. OTHERS............................................................................................................... 53
VI. REMOVAL AND REPLACEMENT OF COMPONENTS ....................................... 54
1. SERVICE FOR REFRIGERANT LINES ............................................................... 54
[a] REFRIGERANT RECOVERY [EXCEPT F-1000MLF/-C]................................ 54
[b] REFRIGERANT RECOVERY [F-1000MLF ONLY] ......................................... 54
[c] EVACUATION AND RECHARGE ................................................................... 54
2. BRAZING.............................................................................................................. 55
3. REMOVAL AND REPLACEMENT OF COMPRESSOR....................................... 56
4. REMOVAL AND REPLACEMENT OF DRIER ..................................................... 57
5. REMOVAL AND REPLACEMENT OF EXPANSION VALVE............................... 58
6. REMOVAL AND REPLACEMENT OF WATER REGULATING VALVE
- WATER-COOLED MODEL ONLY ..................................................................... 59
7. REMOVAL AND REPLACEMENT OF CONDENSING PRESSURE
REGULATOR (C.P.R.) - REMOTE AIR-COOLED MODEL ONLY....................... 60
8. REMOVAL AND REPLACEMENT OF EVAPORATOR ASSEMBLY ................... 61
9. REMOVAL AND REPLACEMENT OF FAN MOTOR ........................................... 65
10. REMOVAL AND REPLACEMENT OF CONTROL WATER VALVE .................... 65
11. REMOVAL AND REPLACEMENT OF FLUSH WATER VALVE.......................... 66
VII. MAINTENANCE AND CLEANING INSTRUCTIONS........................................... 67
1. PREPARING THE ICEMAKER FOR LONG STORAGE ...................................... 67
2. CLEANING INSTRUCTIONS ............................................................................... 69
3. MAINTENANCE ................................................................................................... 73

5
I. SPECIFICATION
1. ICEMAKER
F-1000MAF
AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V)
COMPRESSOR 240 V 4.2 RLA 34 LRA
GEAR MOTOR 120 V 1.6 FLA 1/6 HP
FAN MOTOR 115 V 0.85FLA 1/15 HP
OTHER 120 V 0.03A
MAXIMUM FUSE SIZE 15 A
MAX. HACR BREAKER (USA ONLY) 15 A
MAX. CIRC. BREAKER (CANADA ONLY) 15 A
MINIMUM CIRCUIT AMPACITY 15 A
APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F)
PER 24 HR. Temp.(°F) 50 70 90
lbs./day ( kg/day ) 70 *970 (440) 930 (422) 890 (404)
Reference without *marks 80 855 (388) 820 (372) 785 (357)
90 755 (342) *740 (336) 695 (314)
100 665 (301) 635 (289) 595 (270)
SHAPE OF ICE Flake
ICE QUALITY Approx. 70%, Ice (90/70°F, Conductivity 200 µs/cm)
APPROXIMATE STORAGE CAPACITY N/A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 1200 (3.9) 1160 (2.9)
POTABLE WATER 89 (12) 116 (12)
gal./24HR (gal./100 lbs.)
EXTERIOR DIMENSIONS (WxDxH) 22" x 27-3/8" x 25-1/4" (560 x 695 x 642mm)
EXTERIOR FINISH Stainless Steel, Galvanized Steel (Rear)
WEIGHT Net 172 lbs. ( 78 kg ), Shipping 198 lbs. ( 90 kg )
CONNECTIONS - ELECTRIC Permanent - Connection
- WATER SUPPLY Inlet 1/2" FPT
- DRAIN Outlet 3/4" FPT
ICE MAKING SYSTEM Auger type
HARVESTING SYSTEM Direct Driven Auger ( 1/6 HP Gear Motor )
ICE MAKING WATER CONTROL Float Switch
COOLING WATER CONTROL N/A
BIN CONTROL SYSTEM Mechanical Bin Control ( Proximity Sw. )
COMPRESSOR Hermetic, Model RS70-C1E-PFV
CONDENSER Air-cooled, Fin and tube type
EVAPORATOR Copper Tube on Cylinder
REFRIGERANT CONTROL Thermostatic Expansion Valve
REFRIGERANT CHARGE R-404A, 1 lb.12oz. (800g)
DESIGN PRESSURE High 427 PSIG, Low 230 PSIG
P.C. BOARD CIRCUIT PROTECTION High Voltage Cut-off Relay
COMPRESSOR PROTECTION Internal Protector
GEAR MOTOR PROTECTION Manual reset Circuit Breaker or Fuse
REFRIGERANT CIRCUIT PROTECTION Auto-reset High Pressure Control Switch
LOW WATER PROTECTION Float Switch and Timer
ACCESSORIES -SUPPLIED Spare Fuse
-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
DRAWING NO.
(
DIMENSION
)
3A0981
We reserve the right to make changes in specifications and design without prior notice.

6
F-1000MWF
AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V)
COMPRESSOR 240 V 4.2 RLA 34 LRA
GEAR MOTOR 120 V 1.6 FLA 1/6 HP
OTHER 120 V 0.03A
MAXIMUM FUSE SIZE 15 A
MAX. HACR BREAKER (USA ONLY) 15 A
MAX. CIRC. BREAKER (CANADA ONLY) 15 A
MINIMUM CIRCUIT AMPACITY 15 A
APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F)
PER 24 HR. Temp.(°F) 50 70 90
lbs./day ( kg/day ) 70 *890 (404) 855 (389) 840 (380)
Reference without *marks 80 820 (372) 805 (364) 785 (356)
90 770 (349) *755 (342) 735 (334)
100 720 (327) 705 (320) 655 (297)
SHAPE OF ICE Flake
ICE QUALITY Approx. 70%, Ice (90/70°F, Conductivity 200 µs/cm)
APPROXIMATE STORAGE CAPACITY N/A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 1160 (3.7) 1155 (3.1)
POTABLE WATER 91 (12) 107 (12)
WATER-COOLED CONDENSER 480 (63) 303 (34)
gal./24HR (gal./100 lbs.)
EXTERIOR DIMENSIONS (WxDxH) 22" x 27-3/8" x 25-1/4" (560 x 695 x 642mm)
EXTERIOR FINISH Stainless Steel, Galvanized Steel (Rear)
WEIGHT Net 172 lbs. ( 78 kg ), Shipping 198 lbs. ( 90 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"-18NPT
ICE MAKING SYSTEM Auger type
HARVESTING SYSTEM Direct Driven Auger ( 1/6 HP Gear Motor )
ICE MAKING WATER CONTROL Float Switch
COOLING WATER CONTROL Automatic Water Regulator
BIN CONTROL SYSTEM Mechanical Bin Control ( Proximity Sw. )
COMPRESSOR Hermetic, Model RS70-C1E-PFV
CONDENSER Water-cooled, Tube in tube type
EVAPORATOR Copper Tube on Cylinder
REFRIGERANT CONTROL Thermostatic Expansion Valve
REFRIGERANT CHARGE R-404A, 15oz. (425g)
DESIGN PRESSURE High 427 PSIG, Low 230 PSIG
P.C. BOARD CIRCUIT PROTECTION High Voltage Cut-off Relay
COMPRESSOR PROTECTION Internal Protector
GEAR MOTOR PROTECTION Manual reset Circuit Breaker or Fuse
REFRIGERANT CIRCUIT PROTECTION Auto-reset High Pressure Control Switch
LOW WATER PROTECTION Float Switch and Timer
ACCESSORIES -SUPPLIED Spare Fuse
-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
DRAWING NO. (DIMENSION) 3A0982
We reserve the right to make changes in specifications and design without prior notice.

7
F-1000MRF
AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V)
COMPRESSOR 240 V 4.2 RLA 34 LRA
GEAR MOTOR 120 V 1.6 FLA 1/6 HP
FAN MOTOR REMOTE 120 V 3 A MAX
OTHER 120 V 0.03A
MAXIMUM FUSE SIZE 15 A
MAX. HACR BREAKER (USA ONLY) 15 A
MAX. CIRC. BREAKER (CANADA ONLY) 15 A
MINIMUM CIRCUIT AMPACITY 15 A
APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F)
PER 24 HR. Temp.(°F) 50 70 90
lbs./day ( kg/day ) 70 *930 (422) 895 (407) 865 (393)
Reference without *marks 80 835 (379) 805 (366) 780 (353)
90 750 (341) *745 (338) 700 (317)
100 675 (306) 650 (296) 605 (274)
SHAPE OF ICE Flake
ICE QUALITY Approx. 70%, Ice (90/70°F, Conductivity 200 µs/cm)
APPROXIMATE STORAGE CAPACITY N/A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 1295 (4.2) 1285 (4.5)
POTABLE WATER 89 (12) 111(12)
gal./24HR (gal./100 lbs.)
EXTERIOR DIMENSIONS (WxDxH) 22" x 27-3/8" x 25-1/4" (560 x 695 x 642mm)
EXTERIOR FINISH Stainless Steel, Galvanized Steel (Rear)
WEIGHT Net 172 lbs. ( 78 kg ), Shipping 198 lbs. ( 90 kg )
CONNECTIONS - ELECTRIC Permanent - Connection
- WATER SUPPLY Inlet 1/2" FPT
- DRAIN Outlet 3/4" FPT
- REFRIGERATION Discharge line 1-1/16-12 UNF Fitting (#10 AEROQUIP)
CIRCUIT Liquid line 5/8-18 UNF Fitting (#6 AEROQUIP)
ICE MAKING SYSTEM Auger type
HARVESTING SYSTEM Direct Driven Auger ( 1/6 HP Gear Motor )
ICE MAKING WATER CONTROL Float Switch
COOLING WATER CONTROL N/A
BIN CONTROL SYSTEM Mechanical Bin Control ( Proximity Sw. )
COMPRESSOR Hermetic, Model RS70-C1E-PFV
CONDENSER Air-cooled Remote Condenser unit URC-6F Recommended
EVAPORATOR Copper Tube on Cylinder
REFRIGERANT CONTROL Thermostatic Expansion Valve
Condensing Pressure Regulator on URC-6F
REFRIGERANT CHARGE R-404A, 4 lb.1oz. (1850g)
(Ice Maker: 2 lb. 3 oz., Cond. Unit: 1 lb. 14 oz. )
DESIGN PRESSURE High 427 PSIG, Low 230 PSIG
P.C. BOARD CIRCUIT PROTECTION High Voltage Cut-off Relay
COMPRESSOR PROTECTION Internal Protector
GEAR MOTOR PROTECTION Manual reset Circuit Breaker or Fuse
REFRIGERANT CIRCUIT PROTECTION Auto-reset High Pressure Control Switch
LOW WATER PROTECTION Float Switch and Timer
ACCESSORIES -SUPPLIED Spare Fuse
-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
DRAWING NO. (DIMENSION) 3A0983
We reserve the right to make changes in specifications and design without prior notice.

8
F-1000MLF
AC SUPPLY VOLTAGE 115/60/1
GEAR MOTOR 120 V 1.6 FLA 1/6 HP
OTHER 120 V 0.03A
MAXIMUM FUSE SIZE 15 A
MAX. HACR BREAKER (USA ONLY) 15 A
MAX. CIRC. BREAKER (CANADA ONLY) 15 A
MINIMUM CIRCUIT AMPACITY 15 A
APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (F)
PER 24 HR. Temp. (F) 50 70 90
lbs./day ( kg/day ) 70 1150 (522) 1035 (469) 1005 (456)
This data is for reference only, 80 980 (444) 950 (431) 925 (420)
different condensing unit will vary data. 90 900 (408) 885 (401) 850 (386)
100 830 (376) 805 (366) 690 (313)
SHAPE OF ICE Flake
ICE QUALITY Approx. 70%, Ice (90/70°F, Conductivity 200 µs/cm)
APPROXIMATE STORAGE CAPACITY N/A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 130 (0.35) 130 (0.27)
POTABLE WATER 106 (12) 138 (12)
gal./24HR (gal./100 lbs.)
EXTERIOR DIMENSIONS (WxDxH) 22" x 27-3/8" x 25-1/4" (560 x 695 x 642mm)
EXTERIOR FINISH Stainless Steel, Galvanized Steel (Rear)
WEIGHT Net 110 lbs. ( 50 kg ), Shipping 137 lbs. ( 62 kg )
CONNECTIONS - ELECTRIC Permanent - Connection
- WATER SUPPLY Inlet 1/2" FPT
- DRAIN Outlet 3/4" FPT
- REFRIGERATION Outlet (Vapor) line 1-1/16-12 UNF Fitting (#10 AEROQUIP)
CIRCUIT Inlet (Liquid) line 5/8-18 UNF Fitting (#6 AEROQUIP)
ICE MAKING SYSTEM Auger type
HARVESTING SYSTEM Direct Driven Auger ( 1/6 HP Gear Motor )
ICE MAKING WATER CONTROL Float Switch
COOLING WATER CONTROL N/A
BIN CONTROL SYSTEM Mechanical Bin Control ( Proximity Sw. )
CONDENSING UNIT Required refrigeration capacity for ice maker is 5700 BTU/h
at discharge pressure 213 PSIG and suction pressure
31.2 PSIG with R-404A refrigerant.
Suction pressure needs to be 31.2 PSIG.
EVAPORATOR Copper Tube on Cylinder
REFRIGERANT CONTROL Thermostatic Expansion Valve
Evaporator Pressure Regulator
REFRIGERANT CHARGE R-404A, 3.6 oz. (100g Holding Charge)
DESIGN PRESSURE High 427 PSIG, Low 230 PSIG
P.C. BOARD CIRCUIT PROTECTION High Voltage Cut-off Relay
COMPRESSOR PROTECTION Internal Protector
GEAR MOTOR PROTECTION Manual reset Circuit Breaker or Fuse
REFRIGERANT CIRCUIT PROTECTION Auto-reset High Pressure Control Switch
LOW WATER PROTECTION Float Switch and Timer
ACCESSORIES -SUPPLIED Spare Fuse
-REQUIRED Ice Storage Bin
OPERATING CONDITIONS VOLTAGE RANGE 104-127 V
AMBIENT TEMP. 45-100° F
WATER SUPPLY TEMP. 45-90° F
WATER SUPPLY PRESSURE 10-113 PSIG
DRAWING NO. (DIMENSION) 3A0984
We reserve the right to make changes in specifications and design without prior notice.

9
F-1000MAF-C
AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V)
COMPRESSOR 240 V 4.2 RLA 34 LRA
GEAR MOTOR 120 V 1.6 FLA 1/6 HP
FAN MOTOR 115 V 0.85FLA 1/15 HP
OTHER 120 V 0.03A
MAXIMUM FUSE SIZE 15 A
MAX. HACR BREAKER (USA ONLY) 15 A
MAX. CIRC. BREAKER (CANADA ONLY) 15 A
MINIMUM CIRCUIT AMPACITY 15 A
APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F)
PER 24 HR. Temp.(°F) 50 70 90
lbs./day ( kg/day ) 70 *860 (390) 820 (373) 790 (359)
Reference without *marks 80 765 (346) 735 (333) 710 (321)
90 680 (309) 665 (302) 635 (287)
100 610 (277) 585 (266) 550 (249)
SHAPE OF ICE Cubelet
ICE QUALITY Approx. 80%, Ice (90/70°F, Conductivity 200 µs/cm)
APPROXIMATE STORAGE CAPACITY N/A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 1230 (4.4) 1210 (3.4)
POTABLE WATER 80 (12) 103 (12)
gal./24HR (gal./100 lbs.)
EXTERIOR DIMENSIONS (WxDxH) 22" x 27-3/8" x 25-1/4" (560 x 695 x 642mm)
EXTERIOR FINISH Stainless Steel, Galvanized Steel (Rear)
WEIGHT Net 172 lbs. ( 78 kg ), Shipping 198 lbs. ( 90 kg )
CONNECTIONS - ELECTRIC Permanent - Connection
- WATER SUPPLY Inlet 1/2" FPT
- DRAIN Outlet 3/4" FPT
ICE MAKING SYSTEM Auger type
HARVESTING SYSTEM Direct Driven Auger ( 1/6 HP Gear Motor )
ICE MAKING WATER CONTROL Float Switch
COOLING WATER CONTROL N/A
BIN CONTROL SYSTEM Mechanical Bin Control ( Proximity Sw. )
COMPRESSOR Hermetic, Model RS70-C1E-PFV
CONDENSER Air-cooled, Fin and tube type
EVAPORATOR Copper Tube on Cylinder
REFRIGERANT CONTROL Thermostatic Expansion Valve
REFRIGERANT CHARGE R-404A, 1 lb.12oz. (800g)
DESIGN PRESSURE High 427 PSIG, Low 230 PSIG
P.C. BOARD CIRCUIT PROTECTION High Voltage Cut-off Relay
COMPRESSOR PROTECTION Internal Protector
GEAR MOTOR PROTECTION Manual reset Circuit Breaker or Fuse
REFRIGERANT CIRCUIT PROTECTION Auto-reset High Pressure Control Switch
LOW WATER PROTECTION Float Switch and Timer
ACCESSORIES -SUPPLIED Spare Fuse
-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
DRAWING NO. (DIMENSION) 3A0981
We reserve the right to make changes in specifications and design without prior notice.

10
F-1000MWF-C
AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V)
COMPRESSOR 240 V 4.2 RLA 34 LRA
GEAR MOTOR 120 V 1.6 FLA 1/6 HP
OTHER 120 V 0.03A
MAXIMUM FUSE SIZE 15 A
MAX. HACR BREAKER (USA ONLY) 15 A
MAX. CIRC. BREAKER (CANADA ONLY) 15 A
MINIMUM CIRCUIT AMPACITY 15 A
APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F)
PER 24 HR. Temp.(°F) 50 70 90
lbs./day ( kg/day ) 70 *790 (358) 760 (346) 750 (340)
Reference without *marks 80 735 (333) 720 (327) 710 (322)
90 695 (316) *685 (311) 670 (304)
100 660 (299) 645 (294) *600
SHAPE OF ICE Cubelet
ICE QUALITY Approx. 80%, Ice (90/70°F, Conductivity 200 µs/cm)
APPROXIMATE STORAGE CAPACITY N/A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 1170 (4.1) 1160 (3.5)
POTABLE WATER 82 (12) 95 (12)
WATER-COOLED CONDENSER 492 (72) 303 (34)
gal./24HR (gal./100 lbs.)
EXTERIOR DIMENSIONS (WxDxH) 22" x 27-3/8" x 25-1/4" (560 x 695 x 642mm)
EXTERIOR FINISH Stainless Steel, Galvanized Steel (Rear)
WEIGHT Net 172 lbs. ( 78 kg ), Shipping 198 lbs. ( 90 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"-18 NPT
ICE MAKING SYSTEM Auger type
HARVESTING SYSTEM Direct Driven Auger ( 1/6 HP Gear Motor )
ICE MAKING WATER CONTROL Float Switch
COOLING WATER CONTROL Automatic Water Regulator
BIN CONTROL SYSTEM Mechanical Bin Control ( Proximity Sw. )
COMPRESSOR Hermetic, Model RS70-C1E-PFV
CONDENSER Water-cooled, Tube in tube type
EVAPORATOR Copper Tube on Cylinder
REFRIGERANT CONTROL Thermostatic Expansion Valve
REFRIGERANT CHARGE R-404A, 15oz. (425g)
DESIGN PRESSURE High 427 PSIG, Low 230 PSIG
P.C. BOARD CIRCUIT PROTECTION High Voltage Cut-off Relay
COMPRESSOR PROTECTION Internal Protector
GEAR MOTOR PROTECTION Manual reset Circuit Breaker or Fuse
REFRIGERANT CIRCUIT PROTECTION Auto-reset High Pressure Control Switch
LOW WATER PROTECTION Float Switch and Timer
ACCESSORIES -SUPPLIED Spare Fuse
-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
DRAWING NO. (DIMENSION) 3A0982
We reserve the right to make changes in specifications and design without prior notice.

11
F-1000MRF-C
AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V)
COMPRESSOR 240 V 4.2 RLA 34 LRA
GEAR MOTOR 120 V 1.6 FLA 1/6 HP
FAN MOTOR REMOTE 120 V 3A MAX
OTHER 120 V 0.03A
MAXIMUM FUSE SIZE 15 A
MAX. HACR BREAKER (USA ONLY) 15 A
MAX. CIRC. BREAKER (CANADA ONLY) 15 A
MINIMUM CIRCUIT AMPACITY 15 A
APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F)
PER24HR. Temp.(°F)507090
lbs./day ( kg/day ) 70 *840 (381) 810 (368) 790 (358)
Reference without *marks 80 765 (347) 745 (337) 720 (327)
90 700 (317) *695 (315) 660 (299)
100 640 (290) 620 (282) 575 (261)
SHAPE OF ICE Cubelet
ICE QUALITY Approx. 80%, Ice (90/70°F, Conductivity 200 µs/cm)
APPROXIMATE STORAGE CAPACITY N/A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 1310 (4.5) 1300 (3.7)
POTABLE WATER 83 (12) 101(12)
gal./24HR (gal./100 lbs.)
EXTERIOR DIMENSIONS (WxDxH) 22" x 27-3/8" x 25-1/4" (560 x 695 x 642mm)
EXTERIOR FINISH Stainless Steel, Galvanized Steel
(
Rear
)
WEIGHT Net 172 lbs. ( 78 kg ), Shipping 198 lbs. ( 90 kg )
CONNECTIONS - ELECTRIC Permanent - Connection
- WATER SUPPLY Inlet 1/2" FPT
- DRAIN Outlet 3/4" FPT
- REFRIGERATION Discharge line 1-1/16-12 UNF Fitting (#10 AEROQUIP)
CIRCUIT Liquid line 5/8-18 UNF Fitting (#6 AEROQUIP)
ICE MAKING SYSTEM Auger type
HARVESTING SYSTEM Direct Driven Auger ( 1/6 HP Gear Motor )
ICE MAKING WATER CONTROL Float Switch
COOLING WATER CONTROL N/A
BIN CONTROL SYSTEM Mechanical Bin Control ( Proximity Sw. )
COMPRESSOR Hermetic, Model RS70-C1E-PFV
CONDENSER Air-cooled Remote Condenser unit URC-6F Recommended
EVAPORATOR Copper Tube on Cylinder
REFRIGERANT CONTROL Thermostatic Expansion Valve
Condensing Pressure Regulator on URC-6F
REFRIGERANT CHARGE R-404A, 4 lb.1oz. (1850g)
(Ice Maker: 2 lb. 3 oz., Cond. Unit: 1 lb. 14 oz. )
DESIGN PRESSURE High 427 PSIG, Low 230 PSIG
P.C. BOARD CIRCUIT PROTECTION High Voltage Cut-off Relay
COMPRESSOR PROTECTION Internal Protector
GEAR MOTOR PROTECTION Manual reset Circuit Breaker or Fuse
REFRIGERANT CIRCUIT PROTECTION Auto-reset High Pressure Control Switch
LOW WATER PROTECTION Float Switch and Timer
ACCESSORIES -SUPPLIED Spare Fuse
-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
DRAWING NO. (DIMENSION) 3A0983
We reserve the right to make changes in specifications and design without prior notice.

12
F-1000MLF-C
AC SUPPLY VOLTAGE 115/60/1
GEAR MOTOR 120 V 1.6 FLA 1/6 HP
OTHER 120 V 0.03A
MAXIMUM FUSE SIZE 15 A
MAX. HACR BREAKER (USA ONLY) 15 A
MAX. CIRC. BREAKER (CANADA ONLY) 15 A
MINIMUM CIRCUIT AMPACITY 15 A
APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (F)
PER 24 HR. Temp. (F) 50 70 90
lbs./day ( kg/day ) 70 1020 (463) 945 (428) 915 (415)
This data is for reference only, 80 885 (402) 860 (390) 835 (378)
different condensing unit will vary data. 90 805 (366) 795 (361) 760 (344)
100 735 (333) 710 (323) 640 (290)
SHAPE OF ICE Cubelet
ICE QUALITY Approx. 80%, Ice (90/70°F, Conductivity 200 µs/cm)
APPROXIMATE STORAGE CAPACITY N/A
ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F
ELECTRIC W (kWH/100 lbs.) 135 (0.40) 135 (0.32)
POTABLE WATER 95 (12) 122 (12)
gal./24HR (gal./100 lbs.)
EXTERIOR DIMENSIONS (WxDxH) 22" x 27-3/8" x 25-1/4" (560 x 695 x 642mm)
EXTERIOR FINISH Stainless Steel, Galvanized Steel (Rear)
WEIGHT Net 110 lbs. ( 50 kg ), Shipping 137 lbs. ( 62 kg )
CONNECTIONS - ELECTRIC Permanent - Connection
- WATER SUPPLY Inlet 1/2" FPT
- DRAIN Outlet 3/4" FPT
- REFRIGERATION Outlet (Vapor) line 1-1/16-12 UNF Fitting (#10 AEROQUIP)
CIRCUIT Inlet (Liquid) line 5/8-18 UNF Fitting (#6 AEROQUIP)
ICE MAKING SYSTEM Auger type
HARVESTING SYSTEM Direct Driven Auger ( 1/6 HP Gear Motor )
ICE MAKING WATER CONTROL Float Switch
COOLING WATER CONTROL N/A
BIN CONTROL SYSTEM Mechanical Bin Control ( Proximity Sw. )
CONDENSING UNIT Required refrigeration capacity for ice maker is 5700 BTU/h
at discharge pressure 213 PSIG and suction pressure
31.2 PSIG with R-404A refrigerant.
Suction pressure needs to be 31.2 PSIG.
EVAPORATOR Copper Tube on Cylinder
REFRIGERANT CONTROL Thermostatic Expansion Valve
Evaporator Pressure Regulator
REFRIGERANT CHARGE R-404A, 3.6 oz. (100g Holding Charge)
DESIGN PRESSURE High 427 PSIG, Low 230 PSIG
P.C. BOARD CIRCUIT PROTECTION High Voltage Cut-off Relay
COMPRESSOR PROTECTION Internal Protector
GEAR MOTOR PROTECTION Manual reset Circuit Breaker or Fuse
REFRIGERANT CIRCUIT PROTECTION Auto-reset High Pressure Control Switch
LOW WATER PROTECTION Float Switch and Timer
ACCESSORIES -SUPPLIED Spare Fuse
-REQUIRED Ice Storage Bin
OPERATING CONDITIONS VOLTAGE RANGE 104-127 V
AMBIENT TEMP. 45-100° F
WATER SUPPLY TEMP. 45-90° F
WATER SUPPLY PRESSURE 10-113 PSIG
DRAWING NO.
(
DIMENSION
)
3A0984
We reserve the right to make changes in specifications and design without prior notice.

13
2. CONDENSER UNIT
URC-6F

14
SPECIFICATIONS
MODEL: URC-6F
EXTERIOR Galvanized Steel
DIMENSIONS (W x D x H) 21-15/16" x 15-11/16" x 17-7/8"
(557 x 398 x 454 mm)
REFRIGERANT CHARGE R404A 1 lb. 14 oz. (850 g)
WEIGHT Net 61 lbs. (28 kg)
Shipping 68 lbs. (31 kg)
CONNECTIONS
REFRIGERANT One Shot Couplings (Aeroquip)
ELECTRICAL Permanent Connection
CONDENSER Air-cooled
HEAD PRESSURE CONTROL Condensing Pressure Regulator
AMBIENT CONDITION Min. -20°F - Max. +122°F
(-29°C to +50°C)
Outdoor use

15
II. GENERAL INFORMATION
1. CONSTRUCTION
F-1000MAF/-C
Water Supply
Inlet
Junction Box
Condenser
Fan Motor
Compressor
Drier
Control Water Valve
Bin Control
Ice Chute
Evaporator
Expansion
Valve
Flush Water
Valve
Control Box
Gear Motor

16
F-1000MWF/-C
Water Supply
Inlet
Junction Box
Water
Regulator
Compressor
Drier
Control Water Valve
Bin Control
Ice Chute
Evaporator
Expansion
Valve
Flush Water
Valve
Control Box
Gear Motor

17
F-1000MRF/-C
Water Supply
Inlet
Junction Box
Compressor
Receiver
Tank
Drier
Control Water Valve
Bin Control
Ice Chute
Evaporator
Expansion
Valve
Flush Water
Valve
Control Box
Gear Motor

18
Water Supply
Inlet
Junction Box
Hot Gas
Valve
Solenoid Valve
Heat
Exchanger
Control Water Valve
Bin Control
Ice Chute
Evaporator
Expansion
Valve
Flush Water
Valve
Control Box
Gear Motor
F-1000MLF/-C

19
2. CONTROL BOX LAYOUT
F-1000MAF/-C
Note: The above component names are identical with the Wiring Label, but not with
the Parts List.
PRESSURE
SWITCH
CONNECTOR
START
CAPACITOR RUN
CAPACITOR
WATER CONTROL
RELAY
FLUSH
TIMER TRANSFORMER
GEAR
MOTOR
RELAY
GEAR
MOTOR
CAP.
FLUSH
ICE
FAN
MOTOR
CAP
GEAR MOTOR
PROTECT RELAY STARTER
CONTROL
TIMER
FUSE
(GEAR MOTOR)
FUSE
POWER
SWITCH
FLUSH
SWITCH
CIRCUIT PROTECT
RELAY

20
F-1000MWF, F-1000MRF/-C
PRESSURE
SWITCH
CONNECTOR
START
CAPACITOR RUN
CAPACITOR
WATER CONTROL
RELAY
TRANSFORMER
GEAR
MOTOR
RELAY
FLUSH
ICE
GEAR MOTOR
PROTECT RELAY
STARTER
CONTROL
TIMER
FLUSH
SWITCH
POWER
SWITCH
FUSE
FUSE
(GEAR MOTOR)
FLUSH
TIMER
CIRCUIT PROTECT
RELAY GEAR
MOTOR
CAP.