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Scotsman Ice Machine
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NM1850
Parts List
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Scotsman Ice Machine NM1850 Parts List

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Page 1
This parts list contains the service parts and wiring diagrams for this model. Check the model number in question to be sure that it is applicable to this parts list.
TABLE OF CONTENTS
Cabinet...............................................................................2
Air Cooled Refrigeration.....................................................3
Water Cooled Refrigeration................................................4
Water System.....................................................................5
Gearmotor...........................................................................6
Evaporator..........................................................................7
Control Box.........................................................................8
Wiring Diagrams.................................................................9
Page 2
March, 1992
Page 1
Page 3
Cabinet Assembly
10
2
11
14
AIR
COOLED
1
15,
Water Cooled
12
17
3
4
5
6
9
3
13
16
ITEM PART NUMBER NUMBER DESCRIPTION
1 A34284-001 Condenser Support 2 A32461-001 Top Panel, Painted
A32461-002 Top Panel, S.S.
3 A34038-001 Service Panel, Painted
A34038-002 Service Panel, S.S.
4 A33292-001 Right Side Panel, Painted
A33292-002 Right Side Panel, S.S. 5 03-0271-00 Speed Clip 6 15-0711-01 Emblem 7 03-1419-08 Screw 8 A34294-001 Front Panel, Painted
A34294-002 Front Panel, S.S.
7
8
ITEM PART NUMBER NUMBER DESCRIPTION
9 02-2976-01 Filter Assembly (1) 10 03-1531-01 Screw 11 A34285-001 Filler Plate, Air Cooled 12 A34287-001 Support 13 A32435-001 Left Side Panel, Painted
A32435-002 Left Side Panel, S.S.
14 03-1404-12 Screw
15 A34283-001 Rear Panel,
Water Cooled Painted Only
16. A34282-001 Base
17. A34286-001 Center Support
March, 1992
Page 2
Page 4
NOTE: Replacement
Compressors include a
crankcase heater which was
not part of the original design.
The crankcase heater may be
used or disconnected.
19
NM1850 SERVICE PARTS
Air Cooled Refrigeration
4
3
1
5
6
11
18
17
15
14 13
12
2
7
16
10
8
9
20
ITEM PART NUMBER NUMBER DESCRIPTION
1 18-3815-01 Fan Blade 2 12-1576-02 Fan Motor (with screws) 3 02-2378-01 Fan Bracket 4 03-1531-01 Screw 5 A32961-020 Insulation Kit (3 piece) 6 16-0780-21 Thermo Expansion Valve 7 A34050-001 Suction Line 8 A32890-020 Evaporator 9 16-0560-00 Valve Core
16-0563-00 Valve Cap 10 11-0446-23 Hi Pressure Cut Out 11 03-1645-01 Screw
ITEM PART NUMBER NUMBER DESCRIPTION
12 18-6800-01 Grommet 13 18-2300-26 Sleeve 14 03-1407-07 Washer 15 03-1405-20 Cap Screw 16 02-3319-02 Dryer 17 A33231-001 Fan Shroud 18 18-7202-01 Condenser 19 A34284-001 Condenser Support 20 18-8879-21 Compressor (1 phase)
18-8879-22 Compressor (3 phase)
(both are 208-230 volt and have internal overloads &
crankcase heaters)
May 2006
Page 3
Page 5
NM1850 SERVICE PARTS
Water Cooled Refrigeration
17
15
11
14
16
2
1
19
13
4
3
5
7
8
6
9
10
NOTE: Replacement
Compressors include a
crankcase heater which was
not part of the original design.
The crankcase heater may be
used or disconnected.
ITEM PART NUMBER NUMBER DESCRIPTION
1 18-6900-25 Condenser 2 03-1645-01 Screw 3 16-0780-21 Thermo Expansion Valve 4 A32961-020 Insulation Kit (3 piece) 5 A34050-001 Suction Line 6 A32890-020 Evaporator 7 03-1405-20 Cap Screw 8 03-1407-07 Washer 9 18-2300-26 Sleeve 10 18-6800-01 Grommmet 11 03-1645-01 Screw
12
18
12 16-0560-00 Valve Core
16-0563-00 Valve Cap 13 11-0446-23 Hi Pressure Cut Out 14 16-0401-02 Elbow 15 11-0424-01 Water Reg. Valve 16 A34341-001 Bracket 17 A34291-001 Drain Assembly 18 18-8879-21 Compressor 1 phase
18-8879-22 Compressor 3 phase
(both are 208-230 volt & have internal overloads & crankcase heaters)
19 02-3319-02 Dryer
May 2006
Page 4
Page 6
NM1850 SERVICE PARTS
Water System
16
15
21
22
26
20
25
14
20
19
23
7
24
2
1
27
3
28
17
12
11
10
4
5
6
8
9
8
18
ITEM PART NUMBER NUMBER DESCRIPTION
1 03-1405-41 Cap Screw 2 A33101-022 Water Level Sensor 3 A32890-020 Evaporator 4 02-2936-01 Res. Cover 5 A32922-020 Float Assembly with pin
housing seal, rubber seal, insert & float 6 A32929-020 Reservoir Assy Complete 7 A32777-001 Retaining Ring for seal 8 16-0791-01 Half Union 9 16-0162-00 Strainer 10 13-0079-03 Tube, 6.5" req. 11 16-0670-02 Tee 12 02-0929-23 Water Seal 13 13-0868-01 Water Shed
13
ITEM PART NUMBER NUMBER DESCRIPTION
14 A37705-021 Drip Pan 15 A27318-001 Water Inlet Fitting 16 03-1394-01 Pal Nut 17 13-0079-03 Res. Overflow, 8" req. 18 A32282-001 Drain Casting, air cooled 19 13-0704-00 Gasket 20 02-2814-08 Clamps 21 13-0674-06 Evap. Drain, 14" req. 22 A33205-001 Plug 23 13-0674-06 Evap. Inlet Tube, 5" req. 24 16-0670-01 Tee 25 A33203-001 Tube, Preformed 26 13-0079-03 Drain Tube, 24" req. 27 03-1417-13 Lockwasher 28 13-0230-00 Rubber cap 29 02-2814-01 Clamp
May 2006
Page 5
Page 7
NM1850 SERVICE PARTS
Gearmotor
1
2
10
*NOTE: GEARCASE
COVER INCLUDES
COVER, OUTPUT
SHAFT, KEY, OUTPUT
GEAR, BEARINGS
AND SEAL
4
11
15
5
6
7
12
14
13
ITEM PART NUMBER NUMBER DESCRIPTION
1 A31340-001 Water Shed 2 A32379-029 Seal 4 A32379-026 Bolt 5 A32379-022 Gearcase Cover*
8
6 A32379-024 1st Gear and Bearings 7 A32379-023 2nd Gear and Bearings 8 A32379-021 Gasket 9 A32379-020 Gearcase 10 A32898-020 Centrif. Switch (GE PSC)
12-2430-24 Centrif. switch (Emerson)
9
12-2430-44 Start sw, GE split phase 11 12-2430-22 Drive Motor 12 12-1741-29 Rotor Bearing (GE PSC)
12-2430-29 Rotor Bearing (Emerson)
12-2430-49 Rotor bearing, GE split phase 13 A32379-028 Seal, not used after 2/2000 14 A32379-027 Oil, 1 Container 15 12-2314-22 Capacitor, GE PSC only 16 A33220-022 Complete Asmbly 208-230 volt
A33220-030 Gears, oil & cases. No motor.
May 2006
Page 6
Page 8
NM1850 SERVICE PARTS
Evaporator
1
2
3
12
13
14
15
10
11
4
5
6
7
8
9
ITEM PART NUMBER NUMBER DESCRIPTION
1. 02-2933-01 Hex Stud
2. A32891-020 Housing & Switch 12-2398-01 Switch, man reset
3. 02-2930-01 Ice Chute Cover
4. A32963-001 Insulation Top (half)
5. 02-2926-01 Ice Chute Body
6. A33102-001 Insulation Collar Inside A33210-001 Rubber Band
7. 02-2929-01 Ice Chute Lower
8. A37708-021 Bin Controls Assy.
(set of 2)
9. A32930-001 Chute Gasket
10. 03-1405-52 Hex Cap Screw
11. 02-3001-01 Ice Sweep
12. 13-0871-01 Water Shed
13. 02-2978-01 Lip Seal
14. 02-3128-20 Breaker Cover
15. 13-0617-52 O-Ring
16. 08-0660-01 Auger Stud
16
17
24
8
21
18
4
19
25
29
23
26
31
32
17. part of item 16 Thrust Washer
18. A34559-020 Bearing
19. 02-2977-01 Lip Seal
20. no number
21. 13-0617-54 O-Ring
22. no number
23. 13-0617-45 O-Ring
24. 03-1544-08 Soc. Head Screw
25. A32900-020 Breaker (includes 18 & 19)
26. A38071-022 Auger
27. A32890-020 Evaporator
28. 03-1405-41 Cap Screw
29. A32962-001 Insulation Bot. (half)
30. A37705-021 Drip Pan
31. 13-0704-00 Drip Pan Gasket
32. 13-0868-01 Water Shed
33 A34969-001 Bail clamp, not shown.
27
28
29
30
May 2006
Page 7
Page 9
10
NM1850 SERVICE PARTS
Control Box
8
9
2
4
1
5
3
11
12
ITEM PART NUMBER NUMBER DESCRIPTION
1 18-1901-48 Start Capacitor
18-4300-50 Start Capacitor Cap.
2. 18-2200-39 Start Capacitor Bracket 03-1638-04 Screw 03-1417-15 Lockwasher
3. A32872-001 Run Cap Bracket 03-1652-02 Bolt 03-0255-04 Wing Nut
4. 03-1638-03 Screw
5. 18-1902-45 Run Capacitor
6. 12-2469-02 Single Phase Contactor 12-0739-02 Three Phase Contactor
6
7
ITEM PART NUMBER NUMBER DESCRIPTION
7 A37750-021 Circuit Board
8. 12-0426-01 Master Switch
9. 11-0447-20 Low Pressure Control 10 18-1903-46 Potential Relay
11. 12-2285-22 Transformer 12 no number Control Box
NOT ILLUSTRATED
13. 12-2337-02 3 Pin Plug Assy (Safety Circuit to Circuit Board)
14. 12-2340-01 4 Pin Plug Assy (Transformer to Circuit Board)
15 A34055-001 Control Box Cover
November 2003
Page 8
Page 10
NM1850 SERVICE PARTS
AIR AND WATER COOLED, 208-230/60/1
March, 1992
Page 9
SEE NAMEPLATE FOR
REQUIREMENTS AND
ALL POWER LEADS
MUST BE FUSED
MAX FUSE SIZE.
POWER SUPPLY
PROPER
Page 11
AIR AND WATER COOLED, 208-230/60/1
USE COPPER CONDUCTORS ONLY
ALL CONTROLS SHOWN IN NORMAL ICEMAKING MODE
THIS UNIT MUST BE GROUNDED
March, 1992
Page 10
Page 12
AIR AND WATER COOLED, 208-230/60/1
POWER SUPPLY
ALL POWER LEADS
MUST BE FUSED
March, 1992
Page 11
Page 13
AIR AND WATER COOLED, 208-230/60/3
March, 1992
Page 12
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